runtime: exit status 0xC0000005 from test process on windows-amd64-longtest builder #38440
Description
Observed in 2020-04-10T16:24:46-ea7126f/windows-amd64-longtest:
windows-amd64-longtest …
…
--- FAIL: TestTestCache (4.15s)
go_test.go:2405:
INITIAL
go_test.go:2413: running testgo [test -x -v -short t/...]
go_test.go:2413: standard output:
go_test.go:2413: exit status 3221225477
FAIL t/t1 0.486s
exit status 3221225477
FAIL t/t2 0.481s
=== RUN Test3
Test3: t3_test.go:6: 1
--- PASS: Test3 (0.00s)
PASS
ok t/t3 0.462s
=== RUN Test4
Test4: t4_test.go:6: 1
--- PASS: Test4 (0.00s)
PASS
ok t/t4 0.467s
FAIL
go_test.go:2413: standard error:
The FAIL in t/t1 is unexpected in this test.
Exit status 3221225477 is 0xC0000005, which some cursory searching seems to suggest is a generic “access violation” error. That suggests possible memory corruption.
I haven't seen any repeats of this error so far.