cmd/go: TestScript/cover_atomic_pkgall failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/go" && test == "TestScript/cover_atomic_pkgall"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestScript/cover_atomic_pkgall
=== PAUSE TestScript/cover_atomic_pkgall
=== CONT  TestScript/cover_atomic_pkgall
    script_test.go:139: 2024-10-31T01:45:29Z
    script_test.go:141: $WORK=/home/swarming/.swarming/w/ir/x/t/cmd-go-test-997808213/tmpdir2031948626/cover_atomic_pkgall1783398869
    script_test.go:163: 
        PATH=/home/swarming/.swarming/w/ir/x/t/cmd-go-test-997808213/tmpdir2031948626/testbin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/cache/tools/bin:/home/swarming/.swarming/w/ir/bbagent_utility_packages:/home/swarming/.swarming/w/ir/bbagent_utility_packages/bin:/home/swarming/.swarming/w/ir/cipd_bin_packages:/home/swarming/.swarming/w/ir/cipd_bin_packages/bin:/home/swarming/.swarming/w/ir/cipd_bin_packages/cpython3:/home/swarming/.swarming/w/ir/cipd_bin_packages/cpython3/bin:/home/swarming/.swarming/w/ir/cache/cipd_client:/home/swarming/.swarming/w/ir/cache/cipd_client/bin:/home/swarming/.swarming/cipd_cache/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
        HOME=/no-home
        CCACHE_DISABLE=1
        GOARCH=amd64
...
        panic: runtime error: slice bounds out of range [:4294972028] with capacity 15336
        
        goroutine 1 gp=0xc000004380 m=0 mp=0x90aac0 [running]:
        panic({0x726360?, 0xc0001f6078?})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:806 +0x168 fp=0xc00002ebc8 sp=0xc00002eb18 pc=0x4aa5e8
        runtime.goPanicSliceAcap(0x10000127c, 0x3be8)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:141 +0x74 fp=0xc00002ec08 sp=0xc00002ebc8 pc=0x46f834
        internal/coverage/cfile.(*emitState).VisitFuncs(0xc0001c8140, 0xc0001a22b8)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/internal/coverage/cfile/emit.go:478 +0x11c8 fp=0xc00002ee88 sp=0xc00002ec08 pc=0x66a368
        internal/coverage/encodecounter.(*CoverageDataWriter).writeCounters(0xc0001c6190, {0x781640, 0xc0001c8140}, 0xc0001b4080)
...
        runtime.runfinq()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:193 +0x145 fp=0xc00007dfe0 sp=0xc00007de20 pc=0x450305
        runtime.goexit({})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00007dfe8 sp=0xc00007dfe0 pc=0x4b1a01
        created by runtime.createfing in goroutine 1
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:163 +0x3d
        FAIL	x	0.181s
        FAIL
    script_test.go:163: FAIL: testdata/script/cover_atomic_pkgall.txt:10: go test -coverpkg=all -race x: exit status 1
--- FAIL: TestScript/cover_atomic_pkgall (77.73s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/go" && test == "TestScript/cover_atomic_pkgall"

2024-10-31 01:28 gotip-linux-amd64-longtest-swissmap go@6d392455 cmd/go.TestScript/cover_atomic_pkgall (log)

=== RUN   TestScript/cover_atomic_pkgall
=== PAUSE TestScript/cover_atomic_pkgall
=== CONT  TestScript/cover_atomic_pkgall
    script_test.go:139: 2024-10-31T01:45:29Z
    script_test.go:141: $WORK=/home/swarming/.swarming/w/ir/x/t/cmd-go-test-997808213/tmpdir2031948626/cover_atomic_pkgall1783398869
    script_test.go:163: 
        PATH=/home/swarming/.swarming/w/ir/x/t/cmd-go-test-997808213/tmpdir2031948626/testbin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/cache/tools/bin:/home/swarming/.swarming/w/ir/bbagent_utility_packages:/home/swarming/.swarming/w/ir/bbagent_utility_packages/bin:/home/swarming/.swarming/w/ir/cipd_bin_packages:/home/swarming/.swarming/w/ir/cipd_bin_packages/bin:/home/swarming/.swarming/w/ir/cipd_bin_packages/cpython3:/home/swarming/.swarming/w/ir/cipd_bin_packages/cpython3/bin:/home/swarming/.swarming/w/ir/cache/cipd_client:/home/swarming/.swarming/w/ir/cache/cipd_client/bin:/home/swarming/.swarming/cipd_cache/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
        HOME=/no-home
        CCACHE_DISABLE=1
        GOARCH=amd64
...
        panic: runtime error: slice bounds out of range [:4294972028] with capacity 15336
        
        goroutine 1 gp=0xc000004380 m=0 mp=0x90aac0 [running]:
        panic({0x726360?, 0xc0001f6078?})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:806 +0x168 fp=0xc00002ebc8 sp=0xc00002eb18 pc=0x4aa5e8
        runtime.goPanicSliceAcap(0x10000127c, 0x3be8)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:141 +0x74 fp=0xc00002ec08 sp=0xc00002ebc8 pc=0x46f834
        internal/coverage/cfile.(*emitState).VisitFuncs(0xc0001c8140, 0xc0001a22b8)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/internal/coverage/cfile/emit.go:478 +0x11c8 fp=0xc00002ee88 sp=0xc00002ec08 pc=0x66a368
        internal/coverage/encodecounter.(*CoverageDataWriter).writeCounters(0xc0001c6190, {0x781640, 0xc0001c8140}, 0xc0001b4080)
...
        runtime.runfinq()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:193 +0x145 fp=0xc00007dfe0 sp=0xc00007de20 pc=0x450305
        runtime.goexit({})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00007dfe8 sp=0xc00007dfe0 pc=0x4b1a01
        created by runtime.createfing in goroutine 1
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:163 +0x3d
        FAIL	x	0.181s
        FAIL
    script_test.go:163: FAIL: testdata/script/cover_atomic_pkgall.txt:10: go test -coverpkg=all -race x: exit status 1
--- FAIL: TestScript/cover_atomic_pkgall (77.73s)

— watchflakes