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net: TestDialParallel leaks worker goroutines and inflight sockets #11878

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mikioh opened this issue Jul 27, 2015 · 2 comments
Closed

net: TestDialParallel leaks worker goroutines and inflight sockets #11878

mikioh opened this issue Jul 27, 2015 · 2 comments
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Go1.5

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@mikioh
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mikioh commented Jul 27, 2015

git rev-parse HEAD
fb738b38c0bc1570286405ab57fe6b8cda655714

go test -v -run=TestDialParallel
=== RUN   TestDialParallel
--- PASS: TestDialParallel (1.91s)
PASS
Running goroutines:
net.runtime_pollWait(0x582e88, 0x77, 0xc820108570)
        /go/src/runtime/netpoll.go:157 +0x60
net.(*pollDesc).Wait(0xc820106a00, 0x77, 0x0, 0x0)
        /go/src/net/fd_poll_runtime.go:73 +0x3a
net.(*pollDesc).WaitWrite(0xc820106a00, 0x0, 0x0)
        /go/src/net/fd_poll_runtime.go:82 +0x36
net.(*netFD).connect(0xc8201069a0, 0x0, 0x0, 0x582728, 0xc8201043e0, 0x0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/fd_unix.go:114 +0x1f6
net.(*netFD).dial(0xc8201069a0, 0x582840, 0x0, 0x582840, 0xc8201030b0, 0x0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/sock_posix.go:137 +0x351
net.socket(0x318ec8, 0x3, 0x2, 0x1, 0x0, 0xc820103000, 0x582840, 0x0, 0x582840, 0xc8201030b0, ...)
        /go/src/net/sock_posix.go:89 +0x411
net.internetSocket(0x318ec8, 0x3, 0x582840, 0x0, 0x582840, 0xc8201030b0, 0x0, 0x0, 0x0, 0x1, ...)
        /go/src/net/ipsock_posix.go:160 +0x141
net.dialTCP(0x318ec8, 0x3, 0x0, 0xc8201030b0, 0x0, 0x0, 0x0, 0xc81ffff66b, 0x0, 0x0)
        /go/src/net/tcpsock_posix.go:171 +0x11e
net.slowDialTCP(0x318ec8, 0x3, 0x0, 0xc8201030b0, 0x0, 0xc800000000, 0x0, 0x52e000, 0x0, 0x0)
        /go/src/net/dial_test.go:234 +0x8e
net.dialSingle(0xc820114100, 0x582590, 0xc8201030b0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/dial.go:364 +0x3f5
net.dialSerial.func1(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/dial.go:336 +0x75
net.dial(0x318ec8, 0x3, 0x582590, 0xc8201030b0, 0xc82011dde0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
        /go/src/net/fd_unix.go:40 +0x60
net.dialSerial(0xc820114100, 0xc820104360, 0x2, 0x2, 0xc82010c5a0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/dial.go:338 +0x760
net.dialSerialAsync(0xc820114100, 0xc820104360, 0x2, 0x2, 0x0, 0xc82010c5a0, 0xc82010c540)
        /go/src/net/dial.go:299 +0xe5
created by net.dialParallel
        /go/src/net/dial.go:257 +0x118
net.runtime_pollWait(0x583188, 0x77, 0xc820108200)
        /go/src/runtime/netpoll.go:157 +0x60
net.(*pollDesc).Wait(0xc820106450, 0x77, 0x0, 0x0)
        /go/src/net/fd_poll_runtime.go:73 +0x3a
net.(*pollDesc).WaitWrite(0xc820106450, 0x0, 0x0)
        /go/src/net/fd_poll_runtime.go:82 +0x36
net.(*netFD).connect(0xc8201063f0, 0x0, 0x0, 0x582728, 0xc820104180, 0x0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/fd_unix.go:114 +0x1f6
net.(*netFD).dial(0xc8201063f0, 0x582840, 0x0, 0x582840, 0xc820102600, 0x0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/sock_posix.go:137 +0x351
net.socket(0x318ec8, 0x3, 0x2, 0x1, 0x0, 0xc820102600, 0x582840, 0x0, 0x582840, 0xc820102600, ...)
        /go/src/net/sock_posix.go:89 +0x411
net.internetSocket(0x318ec8, 0x3, 0x582840, 0x0, 0x582840, 0xc820102600, 0x0, 0x0, 0x0, 0x1, ...)
        /go/src/net/ipsock_posix.go:160 +0x141
net.dialTCP(0x318ec8, 0x3, 0x0, 0xc820102600, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/tcpsock_posix.go:171 +0x11e
net.slowDialTCP(0x318ec8, 0x3, 0x0, 0xc820102600, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/dial_test.go:234 +0x8e
net.dialSingle(0xc820114000, 0x582590, 0xc820102600, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/dial.go:364 +0x3f5
net.dialSerial.func1(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/dial.go:336 +0x75
net.dial(0x318ec8, 0x3, 0x582590, 0xc820102600, 0xc82005fde0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
        /go/src/net/fd_unix.go:40 +0x60
net.dialSerial(0xc820114000, 0xc8201081b0, 0x1, 0x1, 0xc82010c1e0, 0x0, 0x0, 0x0, 0x0)
        /go/src/net/dial.go:338 +0x760
net.dialSerialAsync(0xc820114000, 0xc8201081b0, 0x1, 0x1, 0x0, 0xc82010c1e0, 0xc82010c180)
        /go/src/net/dial.go:299 +0xe5
created by net.dialParallel
        /go/src/net/dial.go:257 +0x118

Inflight sockets:
16: (inet4, stream, default): syscallerr=<nil>, socketerr=<nil>
12: (inet4, stream, default): syscallerr=<nil>, socketerr=<nil>

Socket statistical information:
(inet4, stream, default): opened=26, connected=5, listened=14, accepted=5, closed=29, openfailed=0,\
 connectfailed=12, listenfailed=0, acceptfailed=14, closefailed=0
(inet6, stream, default): opened=22, connected=6, listened=13, accepted=6, closed=27, openfailed=0,\
 connectfailed=9, listenfailed=0, acceptfailed=15, closefailed=0

ok      net     1.929s

@pmarks-net
@mikioh mikioh added this to the Go1.6 milestone Jul 27, 2015
@pmarks-net
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Ah, this happens because TestDialParallel is not setting the new finalDeadline field.

@gopherbot
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CL https://golang.org/cl/12712 mentions this issue.

@mikioh mikioh modified the milestones: Go1.5, Go1.6 Jul 28, 2015
@golang golang locked and limited conversation to collaborators Aug 5, 2016
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