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x/net/ipv6: TestPacketConnReadWriteUnicastUDP failure with sendmsg: no buffer space available on darwin/amd64 #53402

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bcmills opened this issue Jun 15, 2022 · 1 comment
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x/net/ipv6: TestPacketConnReadWriteUnicastUDP failure with sendmsg: no buffer space available on darwin/amd64 #53402

bcmills opened this issue Jun 15, 2022 · 1 comment
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FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done. OS-Darwin Testing An issue that has been verified to require only test changes, not just a test failure.
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bcmills commented Jun 15, 2022 •
edited 

--- FAIL: TestPacketConnReadWriteUnicastUDP (0.00s)
    unicast_test.go:63: write udp [::1]:61587->[::1]:61587: sendmsg: no buffer space available
FAIL
FAIL	golang.org/x/net/ipv6	0.170s

greplogs -l -e 'FAIL: TestPacketConnReadWriteUnicastUDP .*(?:\n .*)* sendmsg: no buffer space available'
2022-06-13T16:53:11-c690dde-7eeec1f/darwin-amd64-12_0
2022-01-06T19:21:12-5b0dc2d-ed84a83/darwin-amd64-10_14

Previously: #37319, #50455, #51342, #52549. (CC @ianlancetaylor)

I expect this fix will be similar. This test boilerplate has sure been copied a lot of times... 😩
@gopherbot gopherbot added this to the Unreleased milestone Jun 15, 2022
@bcmills bcmills added OS-Darwin NeedsFix The path to resolution is known, but the work has not been done. labels Jun 15, 2022
@bcmills bcmills self-assigned this Jul 8, 2022
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Change https://go.dev/cl/416556 mentions this issue: ipv4,ipv6: retry ENOBUFS in TestPacketConnReadWriteUnicastUDP

@bcmills bcmills added the Testing An issue that has been verified to require only test changes, not just a test failure. label Jul 8, 2022
WeiminShang added a commit to WeiminShang/net that referenced this issue Nov 16, 2022
@WeiminShang @gopherbot
ipv4,ipv6: retry ENOBUFS in TestPacketConnReadWriteUnicastUDP
0451068 
This ports CL 402059 to the non-concurrent UDP and ICMP variants of
the test.

(It isn't obvious to me whether the ENOBUFS retry loop is strictly
needed for the ICMP variants, but I'm getting kind of tired of porting
this CL to different tests and would rather minimize the number of
times it has to be done again. 😩)

Fixes golang/go#53402.

Change-Id: I8dc385fbce121c364efafd988ccf08eebe3fef28
Reviewed-on: https://go-review.googlesource.com/c/net/+/416556
Auto-Submit: 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@google.com>
@bcmills bcmills mentioned this issue Jan 17, 2023
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