fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x42ffae]

goroutine 8 [running]:
runtime.throw({0xad80c3?, 0x99?})
	/usr/local/go/src/runtime/panic.go:1047 +0x5d fp=0xc0011078a8 sp=0xc001107878 pc=0x43627d
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:821 +0x3e9 fp=0xc001107908 sp=0xc0011078a8 pc=0x44cf69
runtime.(*spanSet).push(0x1ea5258, 0x7f8251b9f9d8)
	/usr/local/go/src/runtime/mspanset.go:136 +0x16e fp=0xc001107970 sp=0xc001107908 pc=0x42ffae
runtime.(*mcentral).uncacheSpan(0x0?, 0xa?)
	/usr/local/go/src/runtime/mcentral.go:236 +0x8d fp=0xc001107998 sp=0xc001107970 pc=0x41722d
runtime.(*mcache).refill(0x7f8279268108, 0x26)
	/usr/local/go/src/runtime/mcache.go:159 +0x9f fp=0xc0011079d8 sp=0xc001107998 pc=0x4167df
runtime.(*mcache).nextFree(0x7f8279268108, 0x26)
	/usr/local/go/src/runtime/malloc.go:855 +0x85 fp=0xc001107a20 sp=0xc0011079d8 pc=0x40d2a5
runtime.mallocgc(0x120, 0x9dc3e0, 0x1)
	/usr/local/go/src/runtime/malloc.go:1042 +0x44d fp=0xc001107a88 sp=0xc001107a20 pc=0x40d88d
runtime.makeslice(0x10000000000000c?, 0x0?, 0x46734e?)
	/usr/local/go/src/runtime/slice.go:103 +0x52 fp=0xc001107ab0 sp=0xc001107a88 pc=0x44df12
github.com/google/syzkaller/pkg/ipc.(*Env).parseOutput(0xc0000ec380?, 0xc00100bf00, 0xc000038098)
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:334 +0xb4 fp=0xc001107ce8 sp=0xc001107ab0 pc=0x8e06b4
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00007c090, 0xc0000880d0?, 0xc00100bf00)
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:294 +0x315 fp=0xc001107dc8 sp=0xc001107ce8 pc=0x8e0255
main.(*Context).execute(0xc0004a4000, 0x0?, 0x0?, 0x0?)
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:172 +0x150 fp=0xc001107f08 sp=0xc001107dc8 pc=0x8e6bf0
main.(*Context).run(0xc0004a4000, 0x0?)
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:157 +0xed fp=0xc001107fa0 sp=0xc001107f08 pc=0x8e694d
main.main.func3()
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:120 +0x5c fp=0xc001107fe0 sp=0xc001107fa0 pc=0x8e671c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc001107fe8 sp=0xc001107fe0 pc=0x4693e1
created by main.main
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:118 +0x617

goroutine 1 [semacquire]:
runtime.gopark(0x8d4b2f?, 0xc000f3fd70?, 0xa0?, 0x88?, 0xc0003c67c0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000f3fd00 sp=0xc000f3fce0 pc=0x438f96
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:387
runtime.semacquire1(0xc000038168, 0x78?, 0x1, 0x0, 0xa0?)
	/usr/local/go/src/runtime/sema.go:160 +0x20f fp=0xc000f3fd68 sp=0xc000f3fd00 pc=0x44a18f
sync.runtime_Semacquire(0x6950b6?)
	/usr/local/go/src/runtime/sema.go:62 +0x27 fp=0xc000f3fda0 sp=0xc000f3fd68 pc=0x465187
sync.(*WaitGroup).Wait(0xc00008a240?)
	/usr/local/go/src/sync/waitgroup.go:116 +0x4b fp=0xc000f3fdc8 sp=0xc000f3fda0 pc=0x4740eb
main.main()
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:124 +0x6b2 fp=0xc000f3ff80 sp=0xc000f3fdc8 pc=0x8e6572
runtime.main()
	/usr/local/go/src/runtime/proc.go:250 +0x207 fp=0xc000f3ffe0 sp=0xc000f3ff80 pc=0x438b67
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000f3ffe8 sp=0xc000f3ffe0 pc=0x4693e1

goroutine 2 [force gc (idle)]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000056fb0 sp=0xc000056f90 pc=0x438f96
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:387
runtime.forcegchelper()
	/usr/local/go/src/runtime/proc.go:305 +0xb0 fp=0xc000056fe0 sp=0xc000056fb0 pc=0x438dd0
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000056fe8 sp=0xc000056fe0 pc=0x4693e1
created by runtime.init.6
	/usr/local/go/src/runtime/proc.go:293 +0x25

goroutine 3 [GC sweep wait]:
runtime.gopark(0x1?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000057780 sp=0xc000057760 pc=0x438f96
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:387
runtime.bgsweep(0x0?)
	/usr/local/go/src/runtime/mgcsweep.go:319 +0xde fp=0xc0000577c8 sp=0xc000057780 pc=0x42415e
runtime.gcenable.func1()
	/usr/local/go/src/runtime/mgc.go:178 +0x26 fp=0xc0000577e0 sp=0xc0000577c8 pc=0x4193e6
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000577e8 sp=0xc0000577e0 pc=0x4693e1
created by runtime.gcenable
	/usr/local/go/src/runtime/mgc.go:178 +0x6b

goroutine 4 [GC scavenge wait]:
runtime.gopark(0xc000074000?, 0xc4d350?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000057f70 sp=0xc000057f50 pc=0x438f96
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:387
runtime.(*scavengerState).park(0x1e7ade0)
	/usr/local/go/src/runtime/mgcscavenge.go:400 +0x53 fp=0xc000057fa0 sp=0xc000057f70 pc=0x422053
runtime.bgscavenge(0x0?)
	/usr/local/go/src/runtime/mgcscavenge.go:633 +0x65 fp=0xc000057fc8 sp=0xc000057fa0 pc=0x422645
runtime.gcenable.func2()
	/usr/local/go/src/runtime/mgc.go:179 +0x26 fp=0xc000057fe0 sp=0xc000057fc8 pc=0x419386
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000057fe8 sp=0xc000057fe0 pc=0x4693e1
created by runtime.gcenable
	/usr/local/go/src/runtime/mgc.go:179 +0xaa

goroutine 17 [finalizer wait]:
runtime.gopark(0x439312?, 0x7f8251e9ea48?, 0x0?, 0x0?, 0xc000056770?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000056628 sp=0xc000056608 pc=0x438f96
runtime.runfinq()
	/usr/local/go/src/runtime/mfinal.go:193 +0x107 fp=0xc0000567e0 sp=0xc000056628 pc=0x418427
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000567e8 sp=0xc0000567e0 pc=0x4693e1
created by runtime.createfing
	/usr/local/go/src/runtime/mfinal.go:163 +0x45

goroutine 18 [select]:
runtime.gopark(0xc000052788?, 0x3?, 0x90?, 0x0?, 0xc000052772?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0000525f8 sp=0xc0000525d8 pc=0x438f96
runtime.selectgo(0xc000052788, 0xc00005276c, 0xc0000fb900?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc000052738 sp=0xc0000525f8 pc=0x44909e
go.opencensus.io/stats/view.(*worker).start(0xc0000fb900)
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:276 +0xad fp=0xc0000527c8 sp=0xc000052738 pc=0x882ead
go.opencensus.io/stats/view.init.0.func1()
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:34 +0x26 fp=0xc0000527e0 sp=0xc0000527c8 pc=0x882126
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x4693e1
created by go.opencensus.io/stats/view.init.0
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:34 +0x96

goroutine 19 [GC worker (idle)]:
runtime.gopark(0x127f4d9d2c?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000052f50 sp=0xc000052f30 pc=0x438f96
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1275 +0xf1 fp=0xc000052fe0 sp=0xc000052f50 pc=0x41b151
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000052fe8 sp=0xc000052fe0 pc=0x4693e1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1199 +0x25

goroutine 5 [GC worker (idle)]:
runtime.gopark(0x127f51db08?, 0xc0000bd1e0?, 0x1a?, 0x14?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000058750 sp=0xc000058730 pc=0x438f96
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1275 +0xf1 fp=0xc0000587e0 sp=0xc000058750 pc=0x41b151
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000587e8 sp=0xc0000587e0 pc=0x4693e1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1199 +0x25

goroutine 20 [select, locked to thread]:
runtime.gopark(0xc0000547a8?, 0x2?, 0xb0?, 0x29?, 0xc0000547a4?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000054618 sp=0xc0000545f8 pc=0x438f96
runtime.selectgo(0xc0000547a8, 0xc0000547a0, 0x0?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc000054758 sp=0xc000054618 pc=0x44909e
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1000 +0x1af fp=0xc0000547e0 sp=0xc000054758 pc=0x46122f
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000547e8 sp=0xc0000547e0 pc=0x4693e1
created by runtime.ensureSigM
	/usr/local/go/src/runtime/signal_unix.go:983 +0xbd

goroutine 9 [chan receive]:
runtime.gopark(0xc000055688?, 0xc0000556e0?, 0xf3?, 0x33?, 0xc0000556e0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0000556b0 sp=0xc000055690 pc=0x438f96
runtime.chanrecv(0xc000de20c0, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x49d fp=0xc000055740 sp=0xc0000556b0 pc=0x406f5d
runtime.chanrecv1(0xc000de20c0?, 0xc0000557b0?)
	/usr/local/go/src/runtime/chan.go:442 +0x18 fp=0xc000055768 sp=0xc000055740 pc=0x406a98
github.com/google/syzkaller/pkg/osutil.HandleInterrupts.func1()
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:79 +0x8a fp=0xc0000557e0 sp=0xc000055768 pc=0x69516a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000557e8 sp=0xc0000557e0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/osutil.HandleInterrupts
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:76 +0x56

goroutine 10 [syscall]:
runtime.notetsleepg(0x0?, 0x0?)
	/usr/local/go/src/runtime/lock_futex.go:236 +0x34 fp=0xc000055fa0 sp=0xc000055f68 pc=0x40c534
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x2f fp=0xc000055fc0 sp=0xc000055fa0 pc=0x4659af
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x19 fp=0xc000055fe0 sp=0xc000055fc0 pc=0x6937f9
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000055fe8 sp=0xc000055fe0 pc=0x4693e1
created by os/signal.Notify.func1.1
	/usr/local/go/src/os/signal/signal.go:151 +0x2a

goroutine 154 [syscall]:
syscall.Syscall6(0xc000054e50?, 0x4c14dc?, 0x0?, 0x0?, 0x8?, 0x43212f?, 0x7f8251d14300?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x36 fp=0xc000054de0 sp=0xc000054d58 pc=0x4c1536
os.(*Process).blockUntilWaitable(0xc00003e5a0)
	/usr/local/go/src/os/wait_waitid.go:32 +0x87 fp=0xc000054eb8 sp=0xc000054de0 pc=0x4edee7
os.(*Process).wait(0xc00003e5a0)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc000054f18 sp=0xc000054eb8 pc=0x4e6b28
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc00023f4a0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000054f80 sp=0xc000054f18 pc=0x68f425
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0000ec380)
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:653 +0x32 fp=0xc000054fc8 sp=0xc000054f80 pc=0x8e30d2
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:658 +0x2a fp=0xc000054fe0 sp=0xc000054fc8 pc=0x8e306a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000054fe8 sp=0xc000054fe0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0xc7c

goroutine 153 [IO wait]:
runtime.gopark(0xc0000596a4?, 0xb?, 0x0?, 0x0?, 0x8?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0000595e8 sp=0xc0000595c8 pc=0x438f96
runtime.netpollblock(0x4bf3e5?, 0x40482f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000059620 sp=0xc0000595e8 pc=0x4318f7
internal/poll.runtime_pollWait(0x7f8251ec03a8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc000059640 sp=0xc000059620 pc=0x4637a9
internal/poll.(*pollDesc).wait(0xc00112dce0?, 0xc0011e0000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc000059668 sp=0xc000059640 pc=0x4daa92
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00112dce0, {0xc0011e0000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000059700 sp=0xc000059668 pc=0x4dbe79
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000de80c8, {0xc0011e0000?, 0x4cd017?, 0xc0000597b8?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc000059758 sp=0xc000059700 pc=0x4e72de
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0000ec380)
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:630 +0x8a fp=0xc0000597c8 sp=0xc000059758 pc=0x8e324a
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:645 +0x2a fp=0xc0000597e0 sp=0xc0000597c8 pc=0x8e318a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000597e8 sp=0xc0000597e0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:624 +0xa7b