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

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestMapOf
--- FAIL: TestMapOf (0.02s)
panic: bad indir [recovered, repanicked]

goroutine 337 gp=0xc0002dd6c0 m=11 mp=0xc00025f008 [running]:
panic({0x6bdca0?, 0x7ad7d0?})
    /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc000185b48 sp=0xc000185a98 pc=0x4853d9
testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0})
    /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc000185bf8 sp=0xc000185b48 pc=0x5461b7
testing.tRunner.func1()
...
runtime.gopark(0x74d4a0?, 0xc0002c9e00?, 0x1c?, 0xa?, 0x0?)
    /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:460 +0x10e fp=0xc000270f38 sp=0xc000270f18 pc=0x48596e
runtime.gcBgMarkWorker(0xc000290c40)
    /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1463 +0xfa fp=0xc000270fc8 sp=0xc000270f38 pc=0x426c5a
runtime.gcBgMarkStartWorkers.gowrap1()
    /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1373 +0x1e fp=0xc000270fe0 sp=0xc000270fc8 pc=0x426b3e
runtime.goexit({})
    /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000270fe8 sp=0xc000270fe0 pc=0x48dba1
created by runtime.gcBgMarkStartWorkers in goroutine 117
    /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1373 +0x105

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "reflect:mayMoreStackMove" && test == "TestMapOf"
2025-07-29 23:22 gotip-linux-amd64-longtest-noswissmap go@f3582fc8 reflect:mayMoreStackMove.TestMapOf (log) === RUN TestMapOf --- FAIL: TestMapOf (0.02s) panic: bad indir [recovered, repanicked] goroutine 337 gp=0xc0002dd6c0 m=11 mp=0xc00025f008 [running]: panic({0x6bdca0?, 0x7ad7d0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc000185b48 sp=0xc000185a98 pc=0x4853d9 testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0}) /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc000185bf8 sp=0xc000185b48 pc=0x5461b7 testing.tRunner.func1() ... runtime.gopark(0x74d4a0?, 0xc0002c9e00?, 0x1c?, 0xa?, 0x0?) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:460 +0x10e fp=0xc000270f38 sp=0xc000270f18 pc=0x48596e runtime.gcBgMarkWorker(0xc000290c40) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1463 +0xfa fp=0xc000270fc8 sp=0xc000270f38 pc=0x426c5a runtime.gcBgMarkStartWorkers.gowrap1() /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1373 +0x1e fp=0xc000270fe0 sp=0xc000270fc8 pc=0x426b3e runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000270fe8 sp=0xc000270fe0 pc=0x48dba1 created by runtime.gcBgMarkStartWorkers in goroutine 117 /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1373 +0x105
2025-07-29 23:22 gotip-linux-amd64-longtest-noswissmap go@bd94ae89 reflect:mayMoreStackMove.TestMapOf (log) === RUN TestMapOf --- FAIL: TestMapOf (0.01s) panic: bad indir [recovered, repanicked] goroutine 320 gp=0xc0001b8000 m=4 mp=0xc000073808 [running]: panic({0x6bdca0?, 0x7ad7d0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc0001cdb48 sp=0xc0001cda98 pc=0x4853d9 testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0}) /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc0001cdbf8 sp=0xc0001cdb48 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=0xc00006cf30 sp=0xc00006cf10 pc=0x48596e time.Sleep(0x3b9aca00) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x17c fp=0xc00006cf88 sp=0xc00006cf30 pc=0x48a07c reflect_test.selectWatcher() /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:2099 +0x25 fp=0xc00006cfe0 sp=0xc00006cf88 pc=0x61fbe5 runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc00006cfe8 sp=0xc00006cfe0 pc=0x48dba1 created by reflect_test.TestSelect.func1 in goroutine 306 /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:mayMoreStackMove.TestMapOf (log) === RUN TestMapOf --- FAIL: TestMapOf (0.02s) panic: bad indir [recovered, repanicked] goroutine 342 gp=0xc00020e380 m=11 mp=0xc0000a4808 [running]: panic({0x6bdca0?, 0x7ad7d0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc0001a7b48 sp=0xc0001a7a98 pc=0x4853d9 testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0}) /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc0001a7bf8 sp=0xc0001a7b48 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=0xc000282f30 sp=0xc000282f10 pc=0x48596e time.Sleep(0x3b9aca00) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x17c fp=0xc000282f88 sp=0xc000282f30 pc=0x48a07c reflect_test.selectWatcher() /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:2099 +0x25 fp=0xc000282fe0 sp=0xc000282f88 pc=0x61fbe5 runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000282fe8 sp=0xc000282fe0 pc=0x48dba1 created by reflect_test.TestSelect.func1 in goroutine 236 /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:mayMoreStackMove.TestMapOf (log) === RUN TestMapOf --- FAIL: TestMapOf (0.01s) panic: bad indir [recovered, repanicked] goroutine 358 gp=0xc0001da1c0 m=10 mp=0xc000101808 [running]: panic({0x6bdca0?, 0x7ad7d0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc00031db48 sp=0xc00031da98 pc=0x4853d9 testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0}) /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc00031dbf8 sp=0xc00031db48 pc=0x5461b7 testing.tRunner.func1() ... runtime.gopark(0x74d4a0?, 0xc0001e9e00?, 0x1c?, 0xa?, 0x0?) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:460 +0x10e fp=0xc000287738 sp=0xc000287718 pc=0x48596e runtime.gcBgMarkWorker(0xc0001c7500) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1463 +0xfa fp=0xc0002877c8 sp=0xc000287738 pc=0x426c5a runtime.gcBgMarkStartWorkers.gowrap1() /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1373 +0x1e fp=0xc0002877e0 sp=0xc0002877c8 pc=0x426b3e runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0002877e8 sp=0xc0002877e0 pc=0x48dba1 created by runtime.gcBgMarkStartWorkers in goroutine 89 /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1373 +0x105

— watchflakes

Comment From: gopherbot

Change https://go.dev/cl/691675 mentions this issue: reflect: fix noswiss builder

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "reflect:mayMoreStackMove" && test == "TestMapOf"
2025-07-29 21:03 gotip-linux-amd64-longtest-noswissmap go@f7d167fe reflect:mayMoreStackMove.TestMapOf (log) === RUN TestMapOf --- FAIL: TestMapOf (0.01s) panic: bad indir [recovered, repanicked] goroutine 377 gp=0xc00053a540 m=0 mp=0x9b3620 [running]: panic({0x6bdca0?, 0x7ad7d0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:896 +0x199 fp=0xc0000e7b48 sp=0xc0000e7a98 pc=0x4853d9 testing.tRunner.func1.2({0x6bdca0, 0x7ad7d0}) /home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1872 +0x237 fp=0xc0000e7bf8 sp=0xc0000e7b48 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=0xc000349730 sp=0xc000349710 pc=0x48596e time.Sleep(0x3b9aca00) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x17c fp=0xc000349788 sp=0xc000349730 pc=0x48a07c reflect_test.selectWatcher() /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:2099 +0x25 fp=0xc0003497e0 sp=0xc000349788 pc=0x61fbe5 runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0003497e8 sp=0xc0003497e0 pc=0x48dba1 created by reflect_test.TestSelect.func1 in goroutine 22 /home/swarming/.swarming/w/ir/x/w/goroot/src/reflect/all_test.go:1794 +0x1f

— watchflakes