os/exec: TestWaitInterrupt/SIGQUIT failures

[gopherbot]

#!watchflakes
default <- pkg == "os/exec" && test == "TestWaitInterrupt/SIGQUIT"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestWaitInterrupt/SIGQUIT
=== PAUSE TestWaitInterrupt/SIGQUIT
=== CONT  TestWaitInterrupt/SIGQUIT
    exec_test.go:1465: /home/swarming/.swarming/w/ir/x/t/go-build2377186641/b1131/exec.test hang 10m0s
    exec_test.go:1468: stderr:
        SIGQUIT: quit
        PC=0x4817ba m=10 sigcode=0
        
        goroutine 0 gp=0xc0001028c0 m=10 mp=0xc000101008 [idle]:
        runtime.rtsigprocmask(0x2, 0x7944317f9e08, 0x0, 0x8)
...
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/internal/poll/fd_unixjs.go:24
        internal/poll.(*FD).destroy(0xc0001a8070)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/internal/poll/fd_unix.go:86 +0x51 fp=0xc000072a08 sp=0xc0000729d8 pc=0x4b2871
        internal/poll.(*FD).decref(0x804a40?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/internal/poll/fd_mutex.go:213 +0x53 fp=0xc000072a28 sp=0xc000072a08 pc=0x4b1d73
        internal/poll.(*FD).Close(0xc0001a8070)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/internal/poll/fd_unix.go:109 +0x45 fp=0xc000072a50 sp=0xc000072a28 pc=0x4b2905
    exec_test.go:1469: [50883] signal: segmentation fault (core dumped)
    exec_test.go:1476: cmd did not exit: signal: segmentation fault (core dumped)
--- FAIL: TestWaitInterrupt/SIGQUIT (0.09s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os/exec" && test == "TestWaitInterrupt/SIGQUIT"

2025-04-21 04:03 gotip-linux-amd64-newinliner go@c0245b31 os/exec.TestWaitInterrupt/SIGQUIT (log)

=== RUN   TestWaitInterrupt/SIGQUIT
=== PAUSE TestWaitInterrupt/SIGQUIT
=== CONT  TestWaitInterrupt/SIGQUIT
    exec_test.go:1465: /home/swarming/.swarming/w/ir/x/t/go-build2377186641/b1131/exec.test hang 10m0s
    exec_test.go:1468: stderr:
        SIGQUIT: quit
        PC=0x4817ba m=10 sigcode=0
        
        goroutine 0 gp=0xc0001028c0 m=10 mp=0xc000101008 [idle]:
        runtime.rtsigprocmask(0x2, 0x7944317f9e08, 0x0, 0x8)
...
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/internal/poll/fd_unixjs.go:24
        internal/poll.(*FD).destroy(0xc0001a8070)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/internal/poll/fd_unix.go:86 +0x51 fp=0xc000072a08 sp=0xc0000729d8 pc=0x4b2871
        internal/poll.(*FD).decref(0x804a40?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/internal/poll/fd_mutex.go:213 +0x53 fp=0xc000072a28 sp=0xc000072a08 pc=0x4b1d73
        internal/poll.(*FD).Close(0xc0001a8070)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/internal/poll/fd_unix.go:109 +0x45 fp=0xc000072a50 sp=0xc000072a28 pc=0x4b2905
    exec_test.go:1469: [50883] signal: segmentation fault (core dumped)
    exec_test.go:1476: cmd did not exit: signal: segmentation fault (core dumped)
--- FAIL: TestWaitInterrupt/SIGQUIT (0.09s)

— watchflakes