#!watchflakes
default <- pkg == "reflect:mayMoreStackPreempt" && test == "TestMapOf"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestMapOf
--- FAIL: TestMapOf (0.00s)
panic: bad indir [recovered, repanicked]

goroutine 390 gp=0xc000234540 m=9 mp=0xc000400008 [running]:
panic({0x6bdca0?, 0x7ad7d0?})
    /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc0001c7b48 sp=0xc0001c7a98 pc=0x4853d9
testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0})
    /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc0001c7bf8 sp=0xc0001c7b48 pc=0x5461b7
testing.tRunner.func1()
...
runtime.gopark(0x74d788?, 0x0?, 0x14?, 0xe?, 0x1?)
    /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:460 +0x10e fp=0xc0002d0730 sp=0xc0002d0710 pc=0x48596e
time.Sleep(0x3b9aca00)
    /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x17c fp=0xc0002d0788 sp=0xc0002d0730 pc=0x48a07c
reflect_test.selectWatcher()
    /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:2099 +0x25 fp=0xc0002d07e0 sp=0xc0002d0788 pc=0x61fbe5
runtime.goexit({})
    /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0002d07e8 sp=0xc0002d07e0 pc=0x48dba1
created by reflect_test.TestSelect.func1 in goroutine 263
    /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:1794 +0x1f

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "reflect:mayMoreStackPreempt" && test == "TestMapOf"
2025-07-29 23:22 gotip-linux-amd64-longtest-noswissmap go@bd94ae89 reflect:mayMoreStackPreempt.TestMapOf (log) === RUN TestMapOf --- FAIL: TestMapOf (0.00s) panic: bad indir [recovered, repanicked] goroutine 390 gp=0xc000234540 m=9 mp=0xc000400008 [running]: panic({0x6bdca0?, 0x7ad7d0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc0001c7b48 sp=0xc0001c7a98 pc=0x4853d9 testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0}) /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc0001c7bf8 sp=0xc0001c7b48 pc=0x5461b7 testing.tRunner.func1() ... runtime.gopark(0x74d788?, 0x0?, 0x14?, 0xe?, 0x1?) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:460 +0x10e fp=0xc0002d0730 sp=0xc0002d0710 pc=0x48596e time.Sleep(0x3b9aca00) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x17c fp=0xc0002d0788 sp=0xc0002d0730 pc=0x48a07c reflect_test.selectWatcher() /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:2099 +0x25 fp=0xc0002d07e0 sp=0xc0002d0788 pc=0x61fbe5 runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0002d07e8 sp=0xc0002d07e0 pc=0x48dba1 created by reflect_test.TestSelect.func1 in goroutine 263 /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:1794 +0x1f
2025-07-29 23:22 gotip-linux-amd64-longtest-noswissmap go@1513661d reflect:mayMoreStackPreempt.TestMapOf (log) === RUN TestMapOf --- FAIL: TestMapOf (0.00s) panic: bad indir [recovered, repanicked] goroutine 361 gp=0xc0004208c0 m=0 mp=0x9b3620 [running]: panic({0x6bdca0?, 0x7ad7d0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc0001f1b48 sp=0xc0001f1a98 pc=0x4853d9 testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0}) /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc0001f1bf8 sp=0xc0001f1b48 pc=0x5461b7 testing.tRunner.func1() ... runtime.gopark(0x74d788?, 0x0?, 0x14?, 0xe?, 0x1?) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:460 +0x10e fp=0xc00006b730 sp=0xc00006b710 pc=0x48596e time.Sleep(0x3b9aca00) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x17c fp=0xc00006b788 sp=0xc00006b730 pc=0x48a07c reflect_test.selectWatcher() /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:2099 +0x25 fp=0xc00006b7e0 sp=0xc00006b788 pc=0x61fbe5 runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc00006b7e8 sp=0xc00006b7e0 pc=0x48dba1 created by reflect_test.TestSelect.func1 in goroutine 241 /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:1794 +0x1f
2025-07-29 23:22 gotip-linux-amd64-longtest-noswissmap go@880ca333 reflect:mayMoreStackPreempt.TestMapOf (log) === RUN TestMapOf --- FAIL: TestMapOf (0.02s) panic: bad indir [recovered, repanicked] goroutine 310 gp=0xc0000a3340 m=7 mp=0xc0000a0808 [running]: panic({0x6bdca0?, 0x7ad7d0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc000171b48 sp=0xc000171a98 pc=0x4853d9 testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0}) /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc000171bf8 sp=0xc000171b48 pc=0x5461b7 testing.tRunner.func1() ... runtime.gopark(0x74d788?, 0x0?, 0x14?, 0xe?, 0x1?) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:460 +0x10e fp=0xc000246f30 sp=0xc000246f10 pc=0x48596e time.Sleep(0x3b9aca00) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x17c fp=0xc000246f88 sp=0xc000246f30 pc=0x48a07c reflect_test.selectWatcher() /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:2099 +0x25 fp=0xc000246fe0 sp=0xc000246f88 pc=0x61fbe5 runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000246fe8 sp=0xc000246fe0 pc=0x48dba1 created by reflect_test.TestSelect.func1 in goroutine 291 /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:1794 +0x1f

— watchflakes

Comment From: randall77

Dup of 74808

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "reflect:mayMoreStackPreempt" && test == "TestMapOf"
2025-07-29 21:03 gotip-linux-amd64-longtest-noswissmap go@f7d167fe reflect:mayMoreStackPreempt.TestMapOf (log) === RUN TestMapOf --- FAIL: TestMapOf (0.00s) panic: bad indir [recovered, repanicked] goroutine 331 gp=0xc000180fc0 m=13 mp=0xc0001aa808 [running]: panic({0x6bdca0?, 0x7ad7d0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc000149b48 sp=0xc000149a98 pc=0x4853d9 testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0}) /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc000149bf8 sp=0xc000149b48 pc=0x5461b7 testing.tRunner.func1() ... runtime.gopark(0x74d788?, 0x0?, 0x14?, 0xe?, 0x1?) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:460 +0x10e fp=0xc0002cb730 sp=0xc0002cb710 pc=0x48596e time.Sleep(0x3b9aca00) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x17c fp=0xc0002cb788 sp=0xc0002cb730 pc=0x48a07c reflect_test.selectWatcher() /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:2099 +0x25 fp=0xc0002cb7e0 sp=0xc0002cb788 pc=0x61fbe5 runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0002cb7e8 sp=0xc0002cb7e0 pc=0x48dba1 created by reflect_test.TestSelect.func1 in goroutine 290 /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:1794 +0x1f
2025-07-29 23:22 gotip-linux-amd64-longtest-noswissmap go@f3582fc8 reflect:mayMoreStackPreempt.TestMapOf (log) === RUN TestMapOf --- FAIL: TestMapOf (0.00s) panic: bad indir [recovered, repanicked] goroutine 387 gp=0xc000165500 m=6 mp=0xc00007e008 [running]: panic({0x6bdca0?, 0x7ad7d0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc0000f3b48 sp=0xc0000f3a98 pc=0x4853d9 testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0}) /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc0000f3bf8 sp=0xc0000f3b48 pc=0x5461b7 testing.tRunner.func1() ... runtime.gopark(0x74d788?, 0x0?, 0x14?, 0xe?, 0x1?) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:460 +0x10e fp=0xc00018af30 sp=0xc00018af10 pc=0x48596e time.Sleep(0x3b9aca00) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x17c fp=0xc00018af88 sp=0xc00018af30 pc=0x48a07c reflect_test.selectWatcher() /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:2099 +0x25 fp=0xc00018afe0 sp=0xc00018af88 pc=0x61fbe5 runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc00018afe8 sp=0xc00018afe0 pc=0x48dba1 created by reflect_test.TestSelect.func1 in goroutine 283 /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:1794 +0x1f

— watchflakes