x/sys/unix: "out of memory in thread_start" during TestPpoll on linux-386 #42209
Description
Details
runtime/cgo: out of memory in thread_start
SIGABRT: abort
PC=0xf7fb0b19 m=4 sigcode=4294967290
goroutine 0 [idle]:
runtime: unknown pc 0xf7fb0b19
stack: frame={sp:0xe6b18f80, fp:0x0} stack=[0xe6319730,0xe6b19330)
e6b18f00: 00000000 00000000 00000000 00000000
e6b18f10: 00000000 00000000 00000000 00000000
e6b18f20: 00000000 00000000 00000000 00000000
e6b18f30: 00000000 00000000 00000000 00000000
e6b18f40: 00000000 00000000 00000000 00000000
e6b18f50: 00000000 00000000 00000000 00000000
e6b18f60: 00000000 00000000 00000000 00000000
e6b18f70: 00000000 00000000 00000000 00000000
e6b18f80: <e6b18f90 00000000 e6b18f90 f7df9df0
e6b18f90: 00000000 00000000 00000000 00000000
e6b18fa0: 00000000 00000000 00000000 00000000
e6b18fb0: 00000000 00000000 00000000 00000000
e6b18fc0: 00000000 00000000 00000000 00000000
e6b18fd0: 00000000 00000000 00000000 00000000
e6b18fe0: 00000000 f7fbb4d0 f7de134c 08219287
e6b18ff0: 00000000 00000000 00000000 00000000
runtime: unknown pc 0xf7fb0b19
stack: frame={sp:0xe6b18f80, fp:0x0} stack=[0xe6319730,0xe6b19330)
e6b18f00: 00000000 00000000 00000000 00000000
e6b18f10: 00000000 00000000 00000000 00000000
e6b18f20: 00000000 00000000 00000000 00000000
e6b18f30: 00000000 00000000 00000000 00000000
e6b18f40: 00000000 00000000 00000000 00000000
e6b18f50: 00000000 00000000 00000000 00000000
e6b18f60: 00000000 00000000 00000000 00000000
e6b18f70: 00000000 00000000 00000000 00000000
e6b18f80: <e6b18f90 00000000 e6b18f90 f7df9df0
e6b18f90: 00000000 00000000 00000000 00000000
e6b18fa0: 00000000 00000000 00000000 00000000
e6b18fb0: 00000000 00000000 00000000 00000000
e6b18fc0: 00000000 00000000 00000000 00000000
e6b18fd0: 00000000 00000000 00000000 00000000
e6b18fe0: 00000000 f7fbb4d0 f7de134c 08219287
e6b18ff0: 00000000 00000000 00000000 00000000
goroutine 1 [runnable]:
testing.(*T).Run(0x9082460, 0x81df38a, 0xb, 0x81eb498, 0x401)
/workdir/go/src/testing/testing.go:1219 +0x236
testing.runTests.func1(0x90015e0)
/workdir/go/src/testing/testing.go:1491 +0x5a
testing.tRunner(0x90015e0, 0x9129eec)
/workdir/go/src/testing/testing.go:1173 +0xb7
testing.runTests(0x900e100, 0x82ec7a0, 0x3a, 0x3a, 0x8ef8d664, 0xbfdd17d3, 0xb2d56a52, 0x8b, 0x82ef0e0, 0x901c48c)
/workdir/go/src/testing/testing.go:1489 +0x25a
testing.(*M).Run(0x913e000, 0x0)
/workdir/go/src/testing/testing.go:1397 +0x178
main.main()
_testmain.go:159 +0x104
goroutine 71 [runnable]:
golang.org/x/sys/unix_test.TestPpoll.func1(0x9194380, 0x9192480)
/workdir/gopath/src/golang.org/x/sys/unix/syscall_linux_test.go:106 +0x90
created by golang.org/x/sys/unix_test.TestPpoll
/workdir/gopath/src/golang.org/x/sys/unix/syscall_linux_test.go:105 +0xa5
eax 0x0
ebx 0x2
ecx 0xe6b18f90
edx 0x0
edi 0x0
esi 0x8
ebp 0xe6b18f90
esp 0xe6b18f80
eip 0xf7fb0b19
eflags 0x282
cs 0x23
fs 0x0
gs 0x63
FAIL golang.org/x/sys/unix 0.117s
2020-10-22T20:17:47-fb209a7/linux-386-longtest
2020-10-18T23:04:17-eeed37f/linux-386-longtest
2020-10-17T00:35:18-b09fb70/linux-386
2020-10-16T16:01:50-f659759/linux-386-longtest
2020-10-14T08:05:44-cc95f25/linux-386-longtest
2020-10-13T13:26:46-2da7054/linux-386-longtest
2020-09-30T18:57:26-fdedc70/linux-386
2020-09-18T17:44:21-af09f73/linux-386-longtest
2020-09-09T08:10:42-eff7692/linux-386-longtest
2020-09-08T13:41:30-d2e65c1/linux-386-longtest
2020-08-31T18:03:12-196b9ba/linux-386-longtest
2020-08-26T17:35:25-f9321e4/linux-386
2020-08-14T20:00:57-3d37ad5/linux-386-longtest
2020-06-25T21:21:54-ddb9806/linux-386
2020-06-25T21:21:54-ddb9806/linux-386-longtest
2020-06-22T21:40:17-ed371f2/linux-386-longtest
2020-06-15T19:00:26-2780627/linux-386
2020-05-19T10:57:57-fe76b77/linux-386-longtest
2020-05-01T14:52:40-bc7a7d4/linux-386
2020-03-02T15:01:41-5c8b2ff/linux-386
This test was added for #16052, but it's not at all clear to me why the test would fail in this way.
CC @tklauser @kortschak @ianlancetaylor @golang/release