cmd/cgo/internal/testsanitizers: failures with `signal: segmentation fault` or `exit status 66`

[gopherbot]

#!watchflakes
post <- pkg == "cmd/cgo/internal/testsanitizers" && (`exited with signal: segmentation fault` || `exited with exit status 66`)

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestMSAN (9.00s)
    --- FAIL: TestMSAN/msan2_cmsan (1.23s)
        msan_test.go:78: /workdir/tmp/TestMSAN1393420030/msan2_cmsan exited with signal: segmentation fault
go tool dist: Failed: exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "misc/cgo/testsanitizers" && test == "TestMSAN"

2023-04-04 01:45 linux-amd64-clang go@ca26c983 misc/cgo/testsanitizers.TestMSAN (log)

--- FAIL: TestMSAN (9.00s)
    --- FAIL: TestMSAN/msan2_cmsan (1.23s)
        msan_test.go:78: /workdir/tmp/TestMSAN1393420030/msan2_cmsan exited with signal: segmentation fault
go tool dist: Failed: exit status 1

— watchflakes

[bcmills]

This seems likely to be the same root cause as #59419.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "misc/cgo/testsanitizers" && `exited with signal: segmentation fault`

2023-04-04 16:42 linux-amd64-clang go@d6759e7a misc/cgo/testsanitizers.TestShared (log)

--- FAIL: TestShared (0.00s)
    --- FAIL: TestShared/tsan_shared (3.89s)
        cshared_test.go:82: /workdir/tmp/TestShared871800339/tsan_shared exited with signal: segmentation fault (core dumped)
    --- FAIL: TestShared/msan_shared (12.51s)
        cshared_test.go:82: /workdir/tmp/TestShared2788771836/msan_shared exited with signal: segmentation fault

2023-04-04 16:42 linux-amd64-clang go@d6759e7a misc/cgo/testsanitizers.TestMSAN (log)

--- FAIL: TestMSAN (24.96s)
    --- FAIL: TestMSAN/msan2_cmsan (2.51s)
        msan_test.go:68: /workdir/tmp/TestMSAN580740396/msan2_cmsan exited with signal: segmentation fault
    --- FAIL: TestMSAN/msan8 (2.67s)
        msan_test.go:68: /workdir/tmp/TestMSAN3999465727/msan8 exited with signal: segmentation fault
    --- FAIL: TestMSAN/msan (2.71s)
        msan_test.go:68: /workdir/tmp/TestMSAN2946654553/msan exited with signal: segmentation fault
2023/04/04 16:59:29 Failed: exit status 1

FAILED

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "misc/cgo/testsanitizers" && `exited with signal: segmentation fault`

2023-04-04 16:47 linux-amd64-clang go@7a359a65 misc/cgo/testsanitizers.TestMSAN (log)

--- FAIL: TestMSAN (17.34s)
    --- FAIL: TestMSAN/msan4 (2.26s)
        msan_test.go:68: /workdir/tmp/TestMSAN414704146/msan4 exited with signal: segmentation fault
    --- FAIL: TestMSAN/msan7 (2.44s)
        msan_test.go:68: /workdir/tmp/TestMSAN3583859280/msan7 exited with signal: segmentation fault
    --- FAIL: TestMSAN/msan2 (2.45s)
        msan_test.go:68: /workdir/tmp/TestMSAN4280807281/msan2 exited with signal: segmentation fault
    --- FAIL: TestMSAN/msan5 (2.48s)
        msan_test.go:68: /workdir/tmp/TestMSAN3030831192/msan5 exited with signal: segmentation fault
2023/04/04 17:07:55 Failed: exit status 1

FAILED

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "misc/cgo/testsanitizers" && (`exited with signal: segmentation fault` || `exited with exit status 66`)

2023-04-04 17:02 linux-amd64-goamd64v3 go@110e4fb1 misc/cgo/testsanitizers.TestShared (log)

--- FAIL: TestShared (0.00s)
    --- FAIL: TestShared/tsan_shared (1.47s)
        cshared_test.go:87: /workdir/tmp/TestShared483706412/tsan_shared exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x59468c5e6000-0x59468c5ef000

2023-04-04 17:02 linux-amd64-goamd64v3 go@110e4fb1 misc/cgo/testsanitizers.TestTSAN (log)

--- FAIL: TestTSAN (5.58s)
    --- FAIL: TestTSAN/tsan3 (1.14s)
        tsan_test.go:70: /workdir/tmp/TestTSAN562198240/tsan3 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x72db79bae000-0x72db7a000000
    --- FAIL: TestTSAN/tsan6 (1.15s)
        tsan_test.go:70: /workdir/tmp/TestTSAN2128149771/tsan6 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x765f443ae000-0x765f44800000
    --- FAIL: TestTSAN/tsan2 (1.20s)
        tsan_test.go:70: /workdir/tmp/TestTSAN455684503/tsan2 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x764cb7eae000-0x764cb8300000
    --- FAIL: TestTSAN/tsan (1.20s)
        tsan_test.go:70: /workdir/tmp/TestTSAN357237379/tsan exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x7da66d1ae000-0x7da66d600000
    --- FAIL: TestTSAN/tsan7 (1.22s)
        tsan_test.go:70: /workdir/tmp/TestTSAN2126613324/tsan7 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x7c8f61fae000-0x7c8f62400000
    --- FAIL: TestTSAN/tsan12 (1.25s)
        tsan_test.go:70: /workdir/tmp/TestTSAN2314799888/tsan12 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x7863898ae000-0x786389d00000
    --- FAIL: TestTSAN/tsan8 (1.29s)
...

goroutine 102 [running]:
panic({0x543e00?, 0xc000186050?})
	/workdir/go/src/runtime/panic.go:1016 +0x3ac fp=0xc00009bf10 sp=0xc00009be60 pc=0x43424c
testing.(*M).startAlarm.func1()
	/workdir/go/src/testing/testing.go:2260 +0x3b9 fp=0xc00009bfe0 sp=0xc00009bf10 pc=0x4d9c59
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00009bfe8 sp=0xc00009bfe0 pc=0x467ba1
created by time.goFunc
	/workdir/go/src/time/sleep.go:176 +0x2d

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "misc/cgo/testsanitizers" && (`exited with signal: segmentation fault` || `exited with exit status 66`)

2023-04-04 16:58 linux-amd64-clang go@3991f6c4 misc/cgo/testsanitizers.TestShared (log)

--- FAIL: TestShared (0.00s)
    --- FAIL: TestShared/msan_shared (6.60s)
        cshared_test.go:87: /workdir/tmp/TestShared1737494326/msan_shared exited with signal: segmentation fault

2023-04-04 16:58 linux-amd64-clang go@3991f6c4 misc/cgo/testsanitizers.TestMSAN (log)

--- FAIL: TestMSAN (11.98s)
    --- FAIL: TestMSAN/msan3 (1.68s)
        msan_test.go:78: /workdir/tmp/TestMSAN1548255727/msan3 exited with signal: segmentation fault
    --- FAIL: TestMSAN/msan2 (1.88s)
        msan_test.go:78: /workdir/tmp/TestMSAN1357420610/msan2 exited with signal: segmentation fault
2023/04/04 17:45:07 Failed: exit status 1

FAILED

2023-04-04 16:58 linux-amd64-clang go@ea6b5a64 misc/cgo/testsanitizers.TestShared (log)

--- FAIL: TestShared (0.00s)
    --- FAIL: TestShared/tsan_shared (1.60s)
        cshared_test.go:87: /workdir/tmp/TestShared4034550552/tsan_shared exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x784d5d5ae000-0x784d5da00000

2023-04-04 16:58 linux-amd64-clang go@ea6b5a64 misc/cgo/testsanitizers.TestTSAN (log)

--- FAIL: TestTSAN (5.07s)
    --- FAIL: TestTSAN/tsan10 (1.13s)
        tsan_test.go:66: /workdir/tmp/TestTSAN1096677066/tsan10 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x70cf30fac000-0x70cf31814000
    --- FAIL: TestTSAN/tsan12 (1.15s)
        tsan_test.go:66: /workdir/tmp/TestTSAN2041877897/tsan12 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x77deb46ae000-0x77deb4b00000
    --- FAIL: TestTSAN/tsan11 (1.18s)
        tsan_test.go:66: /workdir/tmp/TestTSAN2821123505/tsan11 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x7e6d600ae000-0x7e6d60500000
    --- FAIL: TestTSAN/tsan3 (1.18s)
        tsan_test.go:66: /workdir/tmp/TestTSAN2251367064/tsan3 exited with signal: segmentation fault (core dumped)
    --- FAIL: TestTSAN/tsan2 (1.19s)
        tsan_test.go:66: /workdir/tmp/TestTSAN839380102/tsan2 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x7c70cfbae000-0x7c70d0000000
    --- FAIL: TestTSAN/tsan7 (1.21s)
        tsan_test.go:66: /workdir/tmp/TestTSAN1821125192/tsan7 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x75c475fae000-0x75c476400000
    --- FAIL: TestTSAN/tsan (1.23s)
        tsan_test.go:66: /workdir/tmp/TestTSAN3451818842/tsan exited with signal: segmentation fault (core dumped)
...
            FATAL: ThreadSanitizer: unexpected memory mapping 0x7d66dfaae000-0x7d66dff00000
    --- FAIL: TestTSAN/tsan9 (1.30s)
        tsan_test.go:66: /workdir/tmp/TestTSAN1647424231/tsan9 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x7ae6bd7ae000-0x7ae6bdc00000
    --- FAIL: TestTSAN/tsan5 (1.35s)
        tsan_test.go:66: /workdir/tmp/TestTSAN1746546882/tsan5 exited with exit status 66
            FATAL: ThreadSanitizer: unexpected memory mapping 0x7243857ae000-0x724385c00000
2023/04/04 17:13:16 Failed: exit status 1

FAILED

2023-04-04 16:58 linux-amd64-clang go@ec18f62d misc/cgo/testsanitizers.TestMSAN (log)

--- FAIL: TestMSAN (9.19s)
    --- FAIL: TestMSAN/msan8 (1.11s)
        msan_test.go:78: /workdir/tmp/TestMSAN186067104/msan8 exited with signal: segmentation fault
2023/04/04 17:15:58 Failed: exit status 1

FAILED

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "misc/cgo/testsanitizers" && (`exited with signal: segmentation fault` || `exited with exit status 66`)

2023-04-04 16:59 linux-amd64-clang go@e7c4b07e misc/cgo/testsanitizers.TestMSAN (log)

--- FAIL: TestMSAN (9.28s)
    --- FAIL: TestMSAN/msan3 (1.07s)
        msan_test.go:78: /workdir/tmp/TestMSAN2997536637/msan3 exited with signal: segmentation fault
    --- FAIL: TestMSAN/msan4 (1.16s)
        msan_test.go:78: /workdir/tmp/TestMSAN4263363700/msan4 exited with signal: segmentation fault
2023/04/04 17:35:19 Failed: exit status 1

FAILED

2023-04-04 16:59 linux-amd64-clang go@20374d1d misc/cgo/testsanitizers.TestShared (log)

--- FAIL: TestShared (0.00s)
    --- FAIL: TestShared/msan_shared (4.22s)
        cshared_test.go:87: /workdir/tmp/TestShared2010716420/msan_shared exited with signal: segmentation fault

2023-04-04 16:59 linux-amd64-clang go@20374d1d misc/cgo/testsanitizers.TestMSAN (log)

--- FAIL: TestMSAN (9.46s)
    --- FAIL: TestMSAN/msan4 (1.17s)
        msan_test.go:78: /workdir/tmp/TestMSAN2458866680/msan4 exited with signal: segmentation fault
2023/04/04 17:16:47 Failed: exit status 1

FAILED

— watchflakes