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runtime: failed MSpanList_Remove #28425

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tmm1 opened this issue Oct 26, 2018 · 4 comments

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commented Oct 26, 2018

What version of Go are you using (go version)?

go version go1.11.1 linux/amd64

Does this issue reproduce with the latest release?

yes.

What operating system and processor architecture are you using (go env)?

GOARCH="amd64"
GOBIN=""
GOCACHE="/home/vagrant/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH=""
GOPROXY=""
GORACE=""
GOROOT="/home/vagrant/go"
GOTMPDIR=""
GOTOOLDIR="/home/vagrant/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build402549573=/tmp/go-build -gno-record-gcc-switches"

What did you do?

I'm cross-compiling a windows binary with cgo enabled (using mingw64), which uses the lxn/win and lxn/walk libraries for UI.

What did you expect to see?

No crashes.

What did you see instead?

Random crashes:

runtime: failed MSpanList_Remove span.npages=2 span=0x69e88c0 prev=0x0 span.list=0x1aadc30 list=0x1aacc30
fatal error: MSpanList_Remove

runtime stack:
runtime.throw(0x1218a10, 0x10)
        /home/vagrant/go/src/runtime/panic.go:608 +0x79
runtime.(*mSpanList).remove(0x1aacc30, 0x69e88c0)
        /home/vagrant/go/src/runtime/mheap.go:1214 +0x18d
runtime.(*mcentral).freeSpan(0x1aacc10, 0x69e88c0, 0x430100, 0x1aa2c10)
        /home/vagrant/go/src/runtime/mcentral.go:205 +0x12d
runtime.(*mspan).sweep(0x69e88c0, 0x0, 0xc000002a00)
        /home/vagrant/go/src/runtime/mgcsweep.go:336 +0x59a
runtime.sweepone(0x4381ae)
        /home/vagrant/go/src/runtime/mgcsweep.go:113 +0x11d
runtime.gosweepone.func1()
        /home/vagrant/go/src/runtime/mgcsweep.go:137 +0x32
runtime.systemstack(0x0)
        /home/vagrant/go/src/runtime/asm_amd64.s:351 +0x6b
runtime.mstart()
        /home/vagrant/go/src/runtime/proc.go:1229

goroutine 3 [running]:
runtime.systemstack_switch()
        /home/vagrant/go/src/runtime/asm_amd64.s:311 fp=0xc000049f80 sp=0xc000049f78 pc=0x45c190
runtime.gosweepone(0x0)
        /home/vagrant/go/src/runtime/mgcsweep.go:136 +0x59 fp=0xc000049fb0 sp=0xc000049f80 pc=0x422989
runtime.bgsweep(0xc000036070)
        /home/vagrant/go/src/runtime/mgcsweep.go:55 +0xaf fp=0xc000049fd8 sp=0xc000049fb0 pc=0x4224ef
runtime.goexit()
        /home/vagrant/go/src/runtime/asm_amd64.s:1333 +0x1 fp=0xc000049fe0 sp=0xc000049fd8 pc=0x45e351
created by runtime.gcenable
        /home/vagrant/go/src/runtime/mgc.go:216 +0x5f

goroutine 1 [syscall, 407 minutes, locked to thread]:
syscall.Syscall6(0x7ff8b0cd1ae0, 0x4, 0xc00057bd60, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
        /home/vagrant/go/src/runtime/syscall_windows.go:185 +0xfc
github.com/lxn/win.GetMessage(0xc00057bd60, 0x0, 0x0, 0xc000000001)
        /home/vagrant/channels-server-win64/.go/src/github.com/lxn/win/user32.go:2202 +0x7b
github.com/lxn/walk.(*FormBase).Run(0xc000312380, 0x125b168)
        /home/vagrant/channels-server-win64/.go/src/github.com/lxn/walk/form.go:368 +0xcf
main.runMenu(0x0, 0x0)
        /home/vagrant/channels-server-win64/menu_windows.go:134 +0x14d
main.StartMenu()
        /home/vagrant/channels-server-win64/menu_windows.go:102 +0x39
main.run()
        /home/vagrant/channels-server-win64/main.go:197 +0x27b
main.SetupMenu(0x125de08)
        /home/vagrant/channels-server-win64/menu_windows.go:94 +0x247
main.main()
        /home/vagrant/channels-server-win64/main.go:134 +0x19e

goroutine 78 [runnable]:
github.com/jmhodges/levigo._Cfunc_leveldb_writebatch_put(0x842b4f0, 0xc0052ef560, 0x9, 0xc0002ee010, 0x1)
        _cgo_gotypes.go:943 +0x4c
github.com/jmhodges/levigo.(*WriteBatch).Put.func1(0x842b4f0, 0xc0052ef560, 0x9, 0xc0002ee010, 0x1)
        /home/vagrant/channels-server-win64/.go/src/github.com/jmhodges/levigo/batch.go:51 +0x85
github.com/jmhodges/levigo.(*WriteBatch).Put(0xc0042dee88, 0xc0052ef560, 0x9, 0x10, 0xc0002ee010, 0x1, 0xa)
        /home/vagrant/channels-server-win64/.go/src/github.com/jmhodges/levigo/batch.go:51 +0x67
github.com/tmm1/blevex/leveldb.(*Batch).Set(0xc0017b84e0, 0xc0052ef560, 0x9, 0x10, 0xc0002ee010, 0x1, 0xa)
        /home/vagrant/channels-server-win64/.go/src/github.com/tmm1/blevex/leveldb/batch.go:24 +0x72
github.com/tmm1/blevex/leveldb.(*Writer).ExecuteBatch(0xc00242b270, 0x1348c00, 0xc0017b84e0, 0x0, 0x0)
        /home/vagrant/channels-server-win64/.go/src/github.com/tmm1/blevex/leveldb/writer.go:71 +0x43e
github.com/blevesearch/bleve/index/upsidedown.(*UpsideDownCouch).batchRows(0xc00000a380, 0x1346a00, 0xc00242b270, 0xc000692780, 0x8, 0x8, 0xc000619800, 0x2, 0x2, 0x0, ...)
        /home/vagrant/channels-server-win64/.go/src/github.com/blevesearch/bleve/index/upsidedown/upsidedown.go:292 +0x795
github.com/blevesearch/bleve/index/upsidedown.(*UpsideDownCouch).Batch(0xc00000a380, 0xc003d40000, 0xc0002718c8, 0x0)
        /home/vagrant/channels-server-win64/.go/src/github.com/blevesearch/bleve/index/upsidedown/upsidedown.go:938 +0x1267
github.com/blevesearch/bleve.(*indexImpl).Batch(0xc000271880, 0xc003e0b280, 0x0, 0x0)
        /home/vagrant/channels-server-win64/.go/src/github.com/blevesearch/bleve/index_impl.go:304 +0x9d
_/home/vagrant/channels-server-win64/dvr.(*Recorder).indexAirings(0xc00033c000, 0xc0002c3880, 0xc, 0xc000393cb0, 0x0, 0xed37e2160, 0x1aa2820, 0x13a52453c000, 0x0, 0x0)
        /home/vagrant/channels-server-win64/dvr/indexer.go:382 +0x1379
_/home/vagrant/channels-server-win64/dvr.(*Recorder).RunIndexer(0xc00033c000)
        /home/vagrant/channels-server-win64/dvr/indexer.go:202 +0x156a
created by _/home/vagrant/channels-server-win64/dvr.(*Recorder).Run
        /home/vagrant/channels-server-win64/dvr/recorder.go:146 +0x4a

cc #20975
cc #21382
cc @alexbrainman

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commented Oct 26, 2018

@ianlancetaylor @randall77

@gopherbot label needsinvestigation

@andybons andybons added this to the Unplanned milestone Oct 26, 2018

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commented Oct 26, 2018

@ianlancetaylor ianlancetaylor modified the milestones: Unplanned, Go1.12 Oct 26, 2018

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commented Oct 26, 2018

The most likely cause of this kind of problem is some sort of memory corruption from the C code, or a misuse of the cgo pointer passing rules. Is it possible to see the code you are running?

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commented Dec 1, 2018

Timed out in state WaitingForInfo. Closing.

(I am just a bot, though. Please speak up if this is a mistake or you have the requested information.)

@gopherbot gopherbot closed this Dec 1, 2018

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