runtime: TestCgoCallbackGC failures

[gopherbot]

#!watchflakes
default <- pkg == "runtime" && test == "TestCgoCallbackGC"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestCgoCallbackGC
=== PAUSE TestCgoCallbackGC
=== CONT  TestCgoCallbackGC
    crash_cgo_test.go:68: /home/swarming/.swarming/w/ir/x/t/go-build402992713/testprogcgo.exe CgoCallbackGC: signal: aborted
    crash_cgo_test.go:71: expected "OK\n", but got:
        free(): invalid pointer
--- FAIL: TestCgoCallbackGC (0.38s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestCgoCallbackGC"

2024-08-08 19:03 gotip-linux-riscv64 go@48a1f698 runtime.TestCgoCallbackGC (log)

=== RUN   TestCgoCallbackGC
=== PAUSE TestCgoCallbackGC
=== CONT  TestCgoCallbackGC
    crash_cgo_test.go:68: /home/swarming/.swarming/w/ir/x/t/go-build402992713/testprogcgo.exe CgoCallbackGC: signal: aborted
    crash_cgo_test.go:71: expected "OK\n", but got:
        free(): invalid pointer
--- FAIL: TestCgoCallbackGC (0.38s)

— watchflakes

[mknyszek]

CC @golang/riscv64

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestCgoCallbackGC"

2025-11-05 20:36 gotip-linux-arm64-greenteagc go@28f1ad57 runtime.TestCgoCallbackGC (log)

=== RUN   TestCgoCallbackGC
=== PAUSE TestCgoCallbackGC
=== CONT  TestCgoCallbackGC
    exec.go:213: test timed out while running command: /home/swarming/.swarming/w/ir/x/t/go-build2583558235/testprogcgo.exe CgoCallbackGC
    crash_cgo_test.go:80: /home/swarming/.swarming/w/ir/x/t/go-build2583558235/testprogcgo.exe CgoCallbackGC: exit status 2
    crash_cgo_test.go:83: expected "OK\n", but got:
        SIGQUIT: quit
        PC=0x497b2c m=0 sigcode=0
        
        goroutine 0 gp=0x7123c0 m=0 mp=0x712da0 [idle]:
...
        r25     0x76d3bb79a560
        r26     0x5ae998
        r27     0x700000
        r28     0x7123c0
        r29     0xffffe183b588
        lr      0x454b88
        sp      0xffffe183b590
        pc      0x497b2c
        fault   0x0
--- FAIL: TestCgoCallbackGC (91.25s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestCgoCallbackGC"

2025-11-26 03:16 gotip-linux-386 go@da31fd41 runtime.TestCgoCallbackGC (log)

=== RUN   TestCgoCallbackGC
=== PAUSE TestCgoCallbackGC
=== CONT  TestCgoCallbackGC
    exec.go:213: test timed out while running command: /home/swarming/.swarming/w/ir/x/t/go-build230111513/testprogcgo.exe CgoCallbackGC
    crash_cgo_test.go:80: /home/swarming/.swarming/w/ir/x/t/go-build230111513/testprogcgo.exe CgoCallbackGC: exit status 2
    crash_cgo_test.go:83: expected "OK\n", but got:
        SIGQUIT: quit
        PC=0x80ee2ed m=0 sigcode=0
        
        goroutine 0 gp=0x8343d00 m=0 mp=0x8344400 [idle]:
...
        edi    0x0
        esi    0x0
        ebp    0x0
        esp    0xff872ae0
        eip    0x80ee2ed
        eflags 0x246
        cs     0x23
        fs     0x0
        gs     0x63
--- FAIL: TestCgoCallbackGC (95.72s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestCgoCallbackGC"

2026-01-23 23:40 gotip-linux-amd64 go@b408256b runtime.TestCgoCallbackGC (log)

=== RUN   TestCgoCallbackGC
=== PAUSE TestCgoCallbackGC
=== CONT  TestCgoCallbackGC
    exec.go:213: test timed out while running command: /home/swarming/.swarming/w/ir/x/t/go-build578726353/testprogcgo.exe CgoCallbackGC
    crash_cgo_test.go:80: /home/swarming/.swarming/w/ir/x/t/go-build578726353/testprogcgo.exe CgoCallbackGC: exit status 2
    crash_cgo_test.go:83: expected "OK\n", but got:
        SIGQUIT: quit
        PC=0x7d34a9d874a5 m=0 sigcode=0
        signal arrived during cgo execution
        
...
        r12    0x134f6
        r13    0x7d34606539d0
        r14    0x3655168afa40
        r15    0x7d3460653700
        rip    0x7d34a9d874a5
        rflags 0x246
        cs     0x33
        fs     0x0
        gs     0x0
--- FAIL: TestCgoCallbackGC (103.56s)

— watchflakes