net: unexpected nils from (*UnixConn).LocalAddr on solaris-amd64-oraclerel builder #34611

bcmills · 2019-09-30T14:44:02Z

https://build.golang.org/log/d9ed52fecef0637337eaaef8194b90b06ba098aa contains a curious puzzle:

solaris-amd64-oraclerel at 739bf6b929b66ac1715268e269da01c8199f034b
[…]
--- FAIL: TestUnixAndUnixpacketServer (10.01s)
    server_test.go:144: skipping unix @nettest/go/unix test
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
	panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x5bf460]

goroutine 3285 [running]:
testing.tRunner.func1(0xc00012ae00)
	/tmp/workdir-host-solaris-oracle-amd64-oraclerel/go/src/testing/testing.go:874 +0x3a3
panic(0x647400, 0x849ee0)
	/tmp/workdir-host-solaris-oracle-amd64-oraclerel/go/src/runtime/panic.go:679 +0x1b2
net.TestUnixAndUnixpacketServer(0xc00012ae00)
	/tmp/workdir-host-solaris-oracle-amd64-oraclerel/go/src/net/server_test.go:189 +0x670
testing.tRunner(0xc00012ae00, 0x696098)
	/tmp/workdir-host-solaris-oracle-amd64-oraclerel/go/src/testing/testing.go:909 +0xc9
created by testing.(*T).Run
	/tmp/workdir-host-solaris-oracle-amd64-oraclerel/go/src/testing/testing.go:960 +0x351
FAIL	net	17.374s

The skipping message suggests that the panic occurred on the test after @nettest/go/unix. The test after is {"unixpacket", testUnixAddr()}.

It's hard to tell from the backtrace, but this seems to suggest that either net.Dial returned a nil pointer (of a concrete connection type), or returned a non-nil pointer whose LocalAddr method returned a nil pointer (of a concrete Addr implementation type).

CC @mikioh @bradfitz @ianlancetaylor

The text was updated successfully, but these errors were encountered:

bcmills · 2019-11-18T15:34:25Z

CC @rorth

bcmills · 2019-11-18T15:39:08Z

I wonder: is there anything distinctive about the network configuration for that machine? (Is it IPv4-only, or IPv6-only, or dual-stack?)

rorth · 2019-11-18T15:44:36Z

"Bryan C. Mills" <notifications@github.com> writes:

I wonder: is there anything distinctive about the network configuration for that machine? (Is it IPv4-only, or IPv6-only, or dual-stack?)

It's dual-stack, but only with a link-local v6 address.

bcmills · 2020-04-01T19:27:49Z

2020-03-31T23:54:09-7939c43/solaris-amd64-oraclerel
2020-03-13T11:41:22-9d67a94/solaris-amd64-oraclerel
2020-02-26T01:52:42-c46ffdd/solaris-amd64-oraclerel
2020-02-19T21:18:17-2f2e97c/solaris-amd64-oraclerel
2019-12-16T17:37:20-056a3d1/solaris-amd64-oraclerel
2019-12-05T20:40:38-e3c7ffc/solaris-amd64-oraclerel
2019-11-19T16:24:02-96c9f3a/solaris-amd64-oraclerel

bcmills · 2020-11-30T15:15:16Z

bcmills · 2021-06-15T14:26:15Z

2021-06-14T22:13:47-8a5a6f4/solaris-amd64-oraclerel
2021-05-13T09:12:33-0fa2302/solaris-amd64-oraclerel
2021-04-16T19:20:53-95ed5c3/solaris-amd64-oraclerel
2021-04-14T23:26:15-d27bb8b/solaris-amd64-oraclerel
2021-04-09T18:49:05-c3faff7/solaris-amd64-oraclerel
2021-03-25T19:24:25-569c86d/solaris-amd64-oraclerel
2021-03-13T18:03:52-8336c31/solaris-amd64-oraclerel

rorth · 2021-06-17T14:27:22Z

"Bryan C. Mills" ***@***.***> writes:

[2021-06-14T22:13:47-8a5a6f4/solaris-amd64-oraclerel](https://build.golang.org/log/ee6465ff7dc022b6679688af37b7b40211d8521c)

[...] Unfortunately, I'm still having a hard time debugging this. I tried when the error first came up, but gave up when I got nowhere. To assess the frequency of the error, I ran net.test -test.timeout=10m0s -test.count=1 -test.run TestUnixAndUnixpacketServer 10000 times in a row. The SEGV happens only between 2 and 6 times. I tried to either stop net.test using a DTrace script when the SEGV happens so I can attach gdb and investigate more closely. Unfortunately, I ran into a weird dtrace error and have not yet found what's going on. Next I tried to change the loop above again, this time running net.test under gdb. I meant to exit gdb when no SEGV occured, but go interactive if it does. Again, no success so far ;-(

gopherbot · 2021-11-22T15:51:22Z

Change https://golang.org/cl/366114 mentions this issue: net: diagnose unexpected nils in TestUnixAndUnixpacketServer

bcmills · 2021-11-22T15:57:51Z

@rorth, I've mailed CL 366114 to add some debugging information here, but I'm unable to easily try it out on the builder because it lacks SSH access. Could you give it a spin and see if it comes up with anything useful?

For #34611 Change-Id: I31894d58498b2c290ecceccfc004bc817f8969c9 Reviewed-on: https://go-review.googlesource.com/c/go/+/366114 Trust: Bryan C. Mills <bcmills@google.com> Run-TryBot: Bryan C. Mills <bcmills@google.com> Reviewed-by: Ian Lance Taylor <iant@golang.org>

rorth · 2021-11-22T21:13:42Z

"Bryan C. Mills" ***@***.***> writes:

@rorth, I've mailed [CL 366114](https://golang.org/cl/366114) to add some debugging information here, but I'm unable to easily try it out on the builder because it lacks SSH access. Could you give it a spin and see if it comes up with anything useful?

Sure. I've manually ran net.test -test.timeout=10m0s -test.count=1 -test.run TestUnixAndUnixpacketServer 100000 times in a row. Out of those, 222 experienced the panic. I'm attaching the full log, although at a quick glance the panic is always the same.

…

--- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 40 [running]: testing.tRunner.func1.2({0x613320, 0xc000190050}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000190050}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000190040}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00009e820) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00009e820, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 12 [running]: testing.tRunner.func1.2({0x613320, 0xc000122070}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000122070}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000122060}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e1a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e1a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 11 [running]: testing.tRunner.func1.2({0x613320, 0xc000126030}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000126030}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000126020}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e1a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e1a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 39 [running]: testing.tRunner.func1.2({0x613320, 0xc00006e2f0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006e2f0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006e2e0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000106ea0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000106ea0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 38 [running]: testing.tRunner.func1.2({0x613320, 0xc00006f290}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006f290}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006f280}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00009f1e0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00009f1e0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 7 [running]: testing.tRunner.func1.2({0x613320, 0xc000126520}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000126520}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000126510}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000202680) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000202680, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 24 [running]: testing.tRunner.func1.2({0x613320, 0xc000302010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000302010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000302000}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e1a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e1a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 24 [running]: testing.tRunner.func1.2({0x613320, 0xc00006e780}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006e780}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006e770}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00010e1a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00010e1a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.01s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 23 [running]: testing.tRunner.func1.2({0x613320, 0xc000210020}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000210020}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000210010}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000107520) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000107520, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 25 [running]: testing.tRunner.func1.2({0x613320, 0xc0002103e0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0002103e0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0002103d0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000183040) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000183040, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 24 [running]: testing.tRunner.func1.2({0x613320, 0xc000184630}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000184630}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000184620}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000106d00) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000106d00, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 50 [running]: testing.tRunner.func1.2({0x613320, 0xc000306010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000306010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000306000}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00009e680) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00009e680, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 50 [running]: testing.tRunner.func1.2({0x613320, 0xc00006efd0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006efd0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006efc0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e340) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e340, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 10 [running]: testing.tRunner.func1.2({0x613320, 0xc0001841b0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0001841b0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0001841a0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e1a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e1a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 50 [running]: testing.tRunner.func1.2({0x613320, 0xc00020e490}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00020e490}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00020e480}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000106ea0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000106ea0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.01s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 46 [running]: testing.tRunner.func1.2({0x613320, 0xc0000b4060}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0000b4060}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0000b4050}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000183d40) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000183d40, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.01s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 23 [running]: testing.tRunner.func1.2({0x613320, 0xc00012e030}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00012e030}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00012e010}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00009eea0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00009eea0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 40 [running]: testing.tRunner.func1.2({0x613320, 0xc00006e7a0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006e7a0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006e790}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000106ea0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000106ea0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 24 [running]: testing.tRunner.func1.2({0x613320, 0xc00006efc0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006efc0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006efb0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e340) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e340, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 40 [running]: testing.tRunner.func1.2({0x613320, 0xc00029c030}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00029c030}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00029c020}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc0001076c0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc0001076c0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.01s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 10 [running]: testing.tRunner.func1.2({0x613320, 0xc000132080}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000132080}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000300070}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000282ea0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000282ea0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 50 [running]: testing.tRunner.func1.2({0x613320, 0xc00019e010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00019e010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00019e000}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc0001831e0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc0001831e0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 11 [running]: testing.tRunner.func1.2({0x613320, 0xc000132150}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000132150}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000132140}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018f380) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018f380, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.01s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 11 [running]: testing.tRunner.func1.2({0x613320, 0xc00006f430}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006f430}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006f420}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00009f1e0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00009f1e0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 40 [running]: testing.tRunner.func1.2({0x613320, 0xc00006e330}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006e330}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006e320}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000107860) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000107860, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 10 [running]: testing.tRunner.func1.2({0x613320, 0xc00006f2f0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006f2f0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006f2e0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e1a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e1a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.01s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 11 [running]: testing.tRunner.func1.2({0x613320, 0xc000300010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000300010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000300000}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000282ea0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000282ea0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 23 [running]: testing.tRunner.func1.2({0x613320, 0xc000184180}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000184180}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000184170}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e1a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e1a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 12 [running]: testing.tRunner.func1.2({0x613320, 0xc000212040}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000212040}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000212030}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000282d00) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000282d00, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 39 [running]: testing.tRunner.func1.2({0x613320, 0xc000104f30}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000104f30}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000104f20}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00010e340) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00010e340, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 39 [running]: testing.tRunner.func1.2({0x613320, 0xc000296030}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000296030}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000296020}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e340) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e340, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 11 [running]: testing.tRunner.func1.2({0x613320, 0xc000284020}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000284020}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000284010}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018f6c0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018f6c0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 7 [running]: testing.tRunner.func1.2({0x613320, 0xc000318010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000318010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000318000}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e340) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e340, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 11 [running]: testing.tRunner.func1.2({0x613320, 0xc00030a030}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00030a030}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00030a020}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00009e680) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00009e680, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 12 [running]: testing.tRunner.func1.2({0x613320, 0xc0001c8060}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0001c8060}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0001c8050}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000107380) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000107380, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 24 [running]: testing.tRunner.func1.2({0x613320, 0xc000104d40}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000104d40}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000104d30}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc0001841a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc0001841a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 50 [running]: testing.tRunner.func1.2({0x613320, 0xc000304010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000304010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000304000}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00010b6c0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00010b6c0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 11 [running]: testing.tRunner.func1.2({0x613320, 0xc0001844f0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0001844f0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0001844e0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000106ea0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000106ea0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 50 [running]: testing.tRunner.func1.2({0x613320, 0xc00038a030}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00038a030}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00038a020}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000182ea0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000182ea0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 24 [running]: testing.tRunner.func1.2({0x613320, 0xc000210320}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000210320}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000210310}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00009e4e0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00009e4e0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 50 [running]: testing.tRunner.func1.2({0x613320, 0xc0000a8060}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0000a8060}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0000a8050}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000107040) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000107040, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 38 [running]: testing.tRunner.func1.2({0x613320, 0xc00020f1b0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00020f1b0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00020f1a0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000107040) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000107040, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 50 [running]: testing.tRunner.func1.2({0x613320, 0xc00006f360}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006f360}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006f350}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00009fba0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00009fba0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 50 [running]: testing.tRunner.func1.2({0x613320, 0xc0002ac010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0002ac010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0002ac000}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000106ea0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000106ea0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 11 [running]: testing.tRunner.func1.2({0x613320, 0xc000184100}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000184100}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0001840f0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00009e820) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00009e820, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 11 [running]: testing.tRunner.func1.2({0x613320, 0xc0002942e0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0002942e0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0002942d0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc0001841a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc0001841a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 39 [running]: testing.tRunner.func1.2({0x613320, 0xc000314010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000314010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000314000}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000106ea0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000106ea0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 11 [running]: testing.tRunner.func1.2({0x613320, 0xc000132010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000132010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000132000}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e1a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e1a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 19 [running]: testing.tRunner.func1.2({0x613320, 0xc000204e70}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000204e70}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000204e60}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00008b040) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00008b040, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 47 [running]: testing.tRunner.func1.2({0x613320, 0xc000184090}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000184090}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000184080}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e1a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e1a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.01s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 39 [running]: testing.tRunner.func1.2({0x613320, 0xc0000aa0c0}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0000aa0c0}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0000aa0b0}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc000107520) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc000107520, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 39 [running]: testing.tRunner.func1.2({0x613320, 0xc0001b0030}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0001b0030}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc0001b0020}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00010d6c0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00010d6c0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 40 [running]: testing.tRunner.func1.2({0x613320, 0xc000308010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc000308010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc000308000}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc00018e340) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc00018e340, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.01s) server_test.go:147: skipping unix @nettest/go/unix test panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 23 [running]: testing.tRunner.func1.2({0x613320, 0xc00006ef30}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc00006ef30}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer.func4() /var/gcc/go/master/src/net/server_test.go:215 +0x2f panic({0x613320, 0xc00006ef20}) /var/gcc/go/master/src/runtime/panic.go:844 +0x258 net.TestUnixAndUnixpacketServer.func3() /var/gcc/go/master/src/net/server_test.go:208 +0x299 net.TestUnixAndUnixpacketServer(0xc0001841a0) /var/gcc/go/master/src/net/server_test.go:218 +0x906 testing.tRunner(0xc0001841a0, 0x668b40) /var/gcc/go/master/src/testing/testing.go:1410 +0x102 created by testing.(*T).Run /var/gcc/go/master/src/testing/testing.go:1457 +0x35f --- FAIL: TestUnixAndUnixpacketServer (0.00s) panic: (*net.UnixConn).LocalAddr returned a nil Addr panic: (*net.UnixConn).LocalAddr returned a nil Addr [recovered] panic: (*net.UnixConn).LocalAddr returned a nil Addr goroutine 50 [running]: testing.tRunner.func1.2({0x613320, 0xc0002a4010}) /var/gcc/go/master/src/testing/testing.go:1360 +0x24e testing.tRunner.func1() /var/gcc/go/master/src/testing/testing.go:1363 +0x39f panic({0x613320, 0xc0002a4010}) /var/gcc/go/master/src/runtime/panic.go:838 +0x207 net.TestUnixAndUnixpacketServer.func3() /var/gcc/

bcmills · 2021-11-22T22:34:56Z

Great, thanks! That at least gives us a bit more information to go on...

bcmills · 2021-11-23T15:24:08Z

The stack trace line at server_test.go:218 is the one right after Dial, before the transceiver goroutine is started and before the connection is closed:
https://cs.opensource.google/go/go/+/master:src/net/server_test.go;l=218;drc=2d7ae3fbd86d4b5471ac4044ece208b29cd0ef74

The LocalAddr method implementation is here:
https://cs.opensource.google/go/go/+/master:src/net/net.go;l=214-222;drc=a53e3d5f885ca7a0df1cd6cf65faa5b63a802dce
That implies that either c.ok() is false (meaning c.fd is nil, since we know that c itself is not), or c.fd.laddr is itself nil.

This *UnixConn comes from Dial, so I'm guessing it is constructed by (*sysDialer).dialUnix.
The only way that could have a nil fd is if a nil fd is returned by socket:
https://cs.opensource.google/go/go/+/master:src/net/unixsock_posix.go;l=45-49;drc=master

I don't see anything particularly suspicious from there on down regarding a nil fd, which makes me suspect that laddr itself is nil. On that front, I do see a missed error check from a getsockname syscall:
https://cs.opensource.google/go/go/+/master:src/net/sock_posix.go;l=164;drc=master

I suppose that the next step is to check that error and see what it turns up.

gopherbot · 2021-11-23T15:32:39Z

Change https://golang.org/cl/366536 mentions this issue: net: check error from syscall.Getsockname in (*netFD).dial

bcmills · 2021-11-23T15:32:59Z

@rorth: ok, another diagnostic CL for you to try!
https://golang.org/cl/366536

rorth · 2021-11-24T12:03:24Z

"Bryan C. Mills" ***@***.***> writes:

Ok, another diagnostic CL for you to try! https://golang.org/cl/366536

Done now: 79 FAILs out of 100000, always like

…

--- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:190: dial unix /tmp/go-nettest943094683: getsockname: address family not supported by protocol family FAIL or

--- FAIL: TestUnixAndUnixpacketServer (0.00s) server_test.go:147: skipping unix @nettest/go/unix test server_test.go:190: dial unixpacket /tmp/go-nettest1837207333: getsockname: address family not supported by protocol family FAIL

gopherbot · 2021-12-03T21:33:40Z

Change https://golang.org/cl/366774 mentions this issue: log/syslog: create unix sockets in unique directories

gopherbot · 2021-12-03T22:10:41Z

Change https://golang.org/cl/369160 mentions this issue: net: clarify that conn.LocalAddr and conn.RemoteAddr might not be known

bcmills · 2021-12-03T22:12:46Z

@rorth, one more change to try! I've uploaded a fourth patchset to https://golang.org/cl/366536 that I'm hopeful may fix the crash.

startServer was invoking os.Remove on the temporary file for a unix socket after creating it. Since the files were created in the global temp directory, that could cause two tests to arrive at colliding names. (Noticed while looking into the failure at https://storage.googleapis.com/go-build-log/af2c83b1/solaris-amd64-oraclerel_3e01fda8.log, but I would be surprised if this solves that failure.) This change uses unique temporary directories, and attempts to keep name lengths minimal to avoid accidentally running into socket-name length limitations. Updates #34611 Change-Id: I21743f245e5c14645e03f09795013e058b984471 Reviewed-on: https://go-review.googlesource.com/c/go/+/366774 Trust: Bryan Mills <bcmills@google.com> Run-TryBot: Bryan Mills <bcmills@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>

For #34611 Change-Id: I9a1357f53124c98ad017b58774696d0377dbea27 Reviewed-on: https://go-review.googlesource.com/c/go/+/369160 Trust: Bryan Mills <bcmills@google.com> Run-TryBot: Bryan Mills <bcmills@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>

bcmills · 2021-12-07T03:50:37Z

@rorth, I think this is fixed at head — but if you wouldn't mind, I would appreciate one more round of stress-testing to verify.

bcmills · 2021-12-08T15:33:54Z

I reverted the attempted fix due to #50033. Going to try a different approach.

gopherbot · 2021-12-09T15:52:58Z

Change https://golang.org/cl/370694 mentions this issue: net: create unix sockets in unique directories

gopherbot · 2021-12-09T15:52:59Z

Change https://golang.org/cl/370695 mentions this issue: net: do not try to remove the LocalAddr of a unix socket

gopherbot · 2021-12-09T16:56:20Z

Change https://golang.org/cl/370696 mentions this issue: net: pass a testing.TB to newLocal* helpers

bcmills · 2021-12-09T17:52:37Z

I found two separate problems in the tests:

We're calling os.Remove on endpoints that are literally never on the filesystem as far as I can tell.
We're creating “unique” socket paths in a way that doesn't actually ensure uniqueness.

I have mailed fixes for both of those issues; given that this is a source of recurring builder failures, and especially given that we know how to fix the underlying issues, I think this is a release-blocker via #11811.

Passing in an explicit testing.TB gives two benefits: 1. It allows the helper to fail the test itself, instead of returning an error to the caller. A non-nil error invariably fails the calling test, and none of these callers bother to add detail to the error when logging it anyway so returning the error just added noise to the test bodies. 2. It allows the helper to use t.Cleanup to perform any needed cleanup tasks, which will be used in CL 370695 to clean up temp directories used as namespaces for unix socket paths. For #34611 Change-Id: I805e701687c12de2caca955649369294229c10b4 Reviewed-on: https://go-review.googlesource.com/c/go/+/370696 Trust: Bryan Mills <bcmills@google.com> Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Bryan Mills <bcmills@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>

This change applies the same transformation as in CL 366774, but to the net package. testUnixAddr was using os.CreateTemp to obtain a unique socket path, but then calling os.Remove on that path immediately. Since the existence of the file is what guarantees its uniqueness, that could occasionally result in testUnixAddr returning the same path for two calls, causing the tests using those paths to fail — especially if they are the same test or are run in parallel. Instead, we now create a unique, short temp directory for each call, and use a path within that directory for the socket address. For #34611 Change-Id: I8e13b606abce2479a0305f7aeecf5d54c449a032 Reviewed-on: https://go-review.googlesource.com/c/go/+/370694 Trust: Bryan Mills <bcmills@google.com> Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Bryan Mills <bcmills@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>

bcmills added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Sep 30, 2019

bcmills added this to the Go1.14 milestone Sep 30, 2019

bcmills added the OS-Solaris label Sep 30, 2019

rsc modified the milestones: Go1.14, Backlog Oct 9, 2019

bcmills mentioned this issue Jun 15, 2021

runtime: stack traces do not indicate the caller for deferred calls #46757

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gopherbot closed this as completed in e07b02f Dec 7, 2021

bcmills changed the title ~~net: SIGSEGV during net.TestUnixAndUnixpacketServer on solaris-amd64-oraclerel builder~~ net: unexpected nils from (*UnixConn).LocalAddr on solaris-amd64-oraclerel builder Dec 7, 2021

bcmills modified the milestones: Backlog, Go1.18 Dec 7, 2021

bcmills self-assigned this Dec 7, 2021

bcmills reopened this Dec 8, 2021

bcmills added okay-after-beta1 Used by release team to mark a release-blocker issue as okay to resolve either before or after beta1 release-blocker Testing An issue that has been verified to require only test changes, not just a test failure. labels Dec 9, 2021

gopherbot closed this as completed in 6f42be7 Dec 13, 2021

rsc unassigned bcmills Jun 23, 2022

golang locked and limited conversation to collaborators Jun 23, 2023

gopherbot added the FrozenDueToAge label Jun 23, 2023

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net: unexpected nils from (*UnixConn).LocalAddr on solaris-amd64-oraclerel builder #34611

net: unexpected nils from (*UnixConn).LocalAddr on solaris-amd64-oraclerel builder #34611

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net: unexpected nils from (*UnixConn).LocalAddr on solaris-amd64-oraclerel builder #34611

net: unexpected nils from (*UnixConn).LocalAddr on solaris-amd64-oraclerel builder #34611

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bcmills commented Sep 30, 2019

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