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Description
#!watchflakes
post <- goarch == "ppc64" && ((log ~ `SIGSEGV` && log ~ `0x0x8000`) || (log ~ `runtime error: index out of range`))
New segfault found in the gopls tests.
2023-11-20 18:35 linux-ppc64-sid-buildlet tools@8966034e go@ddb38c3f x/tools/gopls/internal/regtest/marker (log)
SIGSEGV: segmentation violation
PC=0x28e6c m=9 sigcode=3 addr=0x800000000b53940
goroutine 0 gp=0xc00070fa00 m=9 mp=0xc000744008 [idle]:
runtime.(*mspan).typePointersOfUnchecked(0xc00b8b0000?, 0xc00b959d70?)
/workdir/go/src/runtime/mbitmap_allocheaders.go:202 +0x4c fp=0xc000fade38 sp=0xc000faddf8 pc=0x28e6c
runtime.scanobject(0xc00b8b0000, 0xc00004fc48)
/workdir/go/src/runtime/mgcmark.go:1446 +0xcc fp=0xc000faded0 sp=0xc000fade38 pc=0x360fc
runtime.gcDrainN(0xc00004fc48, 0x10000)
/workdir/go/src/runtime/mgcmark.go:1331 +0x1f0 fp=0xc000fadf10 sp=0xc000faded0 pc=0x35e30
...
r18 0xc00004ea08 r19 0xc000050a30
r20 0xa8 r21 0xc000744008
r22 0xc000faa3a0 r23 0xc000fadeb8
r24 0x5a r25 0xf0
r26 0xc0129eaa1b r27 0xc0129eaa17
r28 0x0 r29 0xc000050a28
r30 0xc00070fa00 r31 0x360fc
pc 0x28e6c ctr 0x7fff9bdf04d0
link 0x360fc xer 0x20000000
ccr 0x44428084 trap 0x380
Originally posted by @gopherbot in #63736 (comment)
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