runtime: TestFinalizerOrCleanupDeadlock/Cleanup/Panic failures

[gopherbot]

#!watchflakes
default <- pkg == "runtime" && test == "TestFinalizerOrCleanupDeadlock/Cleanup/Panic"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestFinalizerOrCleanupDeadlock/Cleanup/Panic
=== PAUSE TestFinalizerOrCleanupDeadlock/Cleanup/Panic
=== CONT  TestFinalizerOrCleanupDeadlock/Cleanup/Panic
    crash_test.go:1181: /home/swarming/.swarming/w/ir/x/t/go-build3427023277/testprog.exe CleanupDeadlock: exit status 2
    crash_test.go:1184: output does not contain "runtime.runCleanups()":
        panic: panic
        
        goroutine 1 [running]:
        main.FinalizerOrCleanupDeadlock(0x1)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/finalizer_deadlock.go:48 +0x6ab
        main.init.8.func2()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/finalizer_deadlock.go:19 +0x1e
        main.main()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/main.go:34 +0x14e
        
        goroutine 19 [running]:
        	goroutine running on other thread; stack unavailable
--- FAIL: TestFinalizerOrCleanupDeadlock/Cleanup/Panic (0.05s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestFinalizerOrCleanupDeadlock/Cleanup/Panic"

2026-01-27 17:30 gotip-linux-386-sizespecializedmalloc go@03a6a207 runtime.TestFinalizerOrCleanupDeadlock/Cleanup/Panic (log)

=== RUN   TestFinalizerOrCleanupDeadlock/Cleanup/Panic
=== PAUSE TestFinalizerOrCleanupDeadlock/Cleanup/Panic
=== CONT  TestFinalizerOrCleanupDeadlock/Cleanup/Panic
    crash_test.go:1181: /home/swarming/.swarming/w/ir/x/t/go-build3427023277/testprog.exe CleanupDeadlock: exit status 2
    crash_test.go:1184: output does not contain "runtime.runCleanups()":
        panic: panic
        
        goroutine 1 [running]:
        main.FinalizerOrCleanupDeadlock(0x1)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/finalizer_deadlock.go:48 +0x6ab
        main.init.8.func2()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/finalizer_deadlock.go:19 +0x1e
        main.main()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/main.go:34 +0x14e
        
        goroutine 19 [running]:
        	goroutine running on other thread; stack unavailable
--- FAIL: TestFinalizerOrCleanupDeadlock/Cleanup/Panic (0.05s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestFinalizerOrCleanupDeadlock/Cleanup/Panic"

2026-03-27 18:22 gotip-linux-mips64le go@eeefb117 runtime.TestFinalizerOrCleanupDeadlock/Cleanup/Panic (log)

=== RUN   TestFinalizerOrCleanupDeadlock/Cleanup/Panic
=== PAUSE TestFinalizerOrCleanupDeadlock/Cleanup/Panic
=== CONT  TestFinalizerOrCleanupDeadlock/Cleanup/Panic
    crash_test.go:1181: /home/swarming/.swarming/w/ir/x/t/go-build3212582357/testprog.exe CleanupDeadlock: exit status 2
    crash_test.go:1184: output does not contain "runtime.runCleanups()":
        panic: panic
        
        goroutine 1 [running]:
        main.FinalizerOrCleanupDeadlock(0x1)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/finalizer_deadlock.go:48 +0x920
        main.init.8.func2()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/finalizer_deadlock.go:19 +0x40
        main.main()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/main.go:34 +0x204
        
        goroutine 7 [running]:
        	goroutine running on other thread; stack unavailable
--- FAIL: TestFinalizerOrCleanupDeadlock/Cleanup/Panic (0.04s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestFinalizerOrCleanupDeadlock/Cleanup/Panic"

2026-06-15 16:52 gotip-linux-arm64 go@7239eead runtime.TestFinalizerOrCleanupDeadlock/Cleanup/Panic (log)

=== RUN   TestFinalizerOrCleanupDeadlock/Cleanup/Panic
=== PAUSE TestFinalizerOrCleanupDeadlock/Cleanup/Panic
=== CONT  TestFinalizerOrCleanupDeadlock/Cleanup/Panic
    crash_test.go:1156: /home/swarming/.swarming/w/ir/x/t/go-build3131416099/testprog.exe CleanupDeadlock: exit status 2
    crash_test.go:1159: output does not contain "runtime.runCleanups()":
        panic: panic
        
        goroutine 1 [running]:
        main.FinalizerOrCleanupDeadlock(0x1)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/finalizer_deadlock.go:48 +0x510
        main.init.8.func2()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/finalizer_deadlock.go:19 +0x20
        main.main()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/testdata/testprog/main.go:34 +0x104
        
        goroutine 19 [running]:
        	goroutine running on other thread; stack unavailable
--- FAIL: TestFinalizerOrCleanupDeadlock/Cleanup/Panic (0.03s)

— watchflakes