#!watchflakes
default <- pkg == "math/big" && test == "TestMulUnbalanced"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestMulUnbalanced
SIGBUS: bus error
PC=0x6ff0e70 m=2 sigcode=2 addr=0x72fc36d

goroutine 0 gp=0xc000006a80 m=2 mp=0xc000050808 [idle]:

goroutine 198 gp=0xc000103180 m=2 mp=0xc000050808 [running]:
runtime.systemstack_switch()
    /Users/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:478 +0x8 fp=0xc000061cb0 sp=0xc000061ca0 pc=0x70966e8
runtime.startTheWorld({0x28?, 0x7090f35?, 0xc000061d28?, 0xc000103180?})
...
r11    0x0
r12    0x1000000000000000
r13    0x10000000000fffff
r14    0x7716d00
r15    0x2000000000000000
rip    0x6ff0e70
rflags 0x10206
cs     0x2b
fs     0x0
gs     0x0

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "math/big" && test == "TestMulUnbalanced"
2025-08-11 19:12 gotip-darwin-amd64-race go@cf4af0b2 math/big.TestMulUnbalanced [SKIP] (log) === RUN TestMulUnbalanced SIGBUS: bus error PC=0x6ff0e70 m=2 sigcode=2 addr=0x72fc36d goroutine 0 gp=0xc000006a80 m=2 mp=0xc000050808 [idle]: goroutine 198 gp=0xc000103180 m=2 mp=0xc000050808 [running]: runtime.systemstack_switch() /Users/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:478 +0x8 fp=0xc000061cb0 sp=0xc000061ca0 pc=0x70966e8 runtime.startTheWorld({0x28?, 0x7090f35?, 0xc000061d28?, 0xc000103180?}) ... r11 0x0 r12 0x1000000000000000 r13 0x10000000000fffff r14 0x7716d00 r15 0x2000000000000000 rip 0x6ff0e70 rflags 0x10206 cs 0x2b fs 0x0 gs 0x0

— watchflakes