ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000440)={'gretap0\x00', 0x200})
runtime: g39: frame.sp=0xc000585780 top=0xc0005857e0
	stack=[0xc000585000-0xc000585800
fatal error: traceback did not unwind completely
runtime: g 10: unexpected return pc for github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3 called from 0xc0005877d000
stack: frame={sp:0xc000587780, fp:0xc00058779f} stack=[0xc000587000,0xc000587800)
0x000000c000587680:  0x0000000000000000  0x0000000000000000 
0x000000c000587690:  0x0000000000000000  0xffffffffffffffff 
0x000000c0005876a0:  0x000000c000587618  0x000000c000587708 
0x000000c0005876b0:  0x00000000004e9005 <os.(*Process).wait+0x0000000000000025>  0x000000c00003d680 
0x000000c0005876c0:  0x0000000000000002  0x0000000000000000 
0x000000c0005876d0:  0x000000000177d480  0x000000c00057c0a0 
0x000000c0005876e0:  0x000000c000587794  0x000000c0000bdd40 
0x000000c0005876f0:  0x0000000000000000  0x000000c000d7e2a0 
0x000000c000587700:  0x000000c000264218  0x000000c000587770 
0x000000c000587710:  0x0000000000749f45 <os/exec.(*Cmd).Wait+0x0000000000000045>  0x000000c00003d680 
0x000000c000587720:  0x000000c000587750  0x0000000000408897 <runtime.chansend1+0x0000000000000017> 
0x000000c000587730:  0x000000c0002641c0  0x000000c000587750 
0x000000c000587740:  0x000000000046e8d3 <time.stopTimer+0x0000000000000013>  0x000000c001198378 
0x000000c000587750:  0x000000c0005877d0  0x000000000074eb14 <github.com/google/syzkaller/pkg/osutil.Run.func1+0x0000000000000094> 
0x000000c000587760:  0x000000c0005877b0  0x000000c000587790 
0x000000c000587770:  0x000000c0005877b8  0x0000000000a393a8 <github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3+0x0000000000000028> 
0x000000c000587780: <0x000000c000275600  0x0001010101010101 
0x000000c000587790:  0x0000000100000001  0x000000c0005877d0 
0x000000c0005877a0:  0x000000c0000ac560  0x000000c00066c160 
0x000000c0005877b0:  0x000000c000d7e2a0  0x000000c0005877d0 
0x000000c0005877c0:  0x0000000000a39347 <github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8+0x0000000000000027>  0x000000c0005aa480 
0x000000c0005877d0:  0x0000000000000000  0x0000000000471701 <runtime.goexit+0x0000000000000001> 
0x000000c0005877e0:  0x000000c000d80000  0x0000000000000000 
0x000000c0005877f0:  0x0000000000000000  0x0000000000000000 
fatal error: unknown caller pc

runtime stack:
runtime.throw({0xcb14a5?, 0x0?})
	/usr/local/go/src/runtime/panic.go:1077 +0x5c fp=0xc000707a30 sp=0xc000707a00 pc=0x43b93c
runtime.(*unwinder).finishInternal(0xc000707ad8?)
	/usr/local/go/src/runtime/traceback.go:571 +0x12a fp=0xc000707a70 sp=0xc000707a30 pc=0x4621ea
runtime.(*unwinder).next(0xc000707c98?)
	/usr/local/go/src/runtime/traceback.go:452 +0x232 fp=0xc000707ae8 sp=0xc000707a70 pc=0x461ff2
runtime.scanstack(0xc000684820, 0x0?)
	/usr/local/go/src/runtime/mgcmark.go:802 +0x272 fp=0xc000707e20 sp=0xc000707ae8 pc=0x422972
runtime.markroot.func1()
	/usr/local/go/src/runtime/mgcmark.go:240 +0xb5 fp=0xc000707e70 sp=0xc000707e20 pc=0x4217f5
runtime.markroot(0xc000045740, 0x71, 0x1)
	/usr/local/go/src/runtime/mgcmark.go:214 +0x1a8 fp=0xc000707f18 sp=0xc000707e70 pc=0x421488
runtime.gcDrain(0xc000045740, 0x7)
	/usr/local/go/src/runtime/mgcmark.go:1069 +0x37d fp=0xc000707f78 sp=0xc000707f18 pc=0x4233dd
runtime.gcBgMarkWorker.func2()
	/usr/local/go/src/runtime/mgc.go:1385 +0x6f fp=0xc000707fc8 sp=0xc000707f78 pc=0x41fb0f
traceback: unexpected SPWRITE function runtime.systemstack
runtime.systemstack()
	/usr/local/go/src/runtime/asm_amd64.s:509 +0x4a fp=0xc000707fd8 sp=0xc000707fc8 pc=0x46f90a

goroutine 19 [GC worker (active)]:
runtime.systemstack_switch()
	/usr/local/go/src/runtime/asm_amd64.s:474 +0x8 fp=0xc000050f50 sp=0xc000050f40 pc=0x46f8a8
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1353 +0x1f2 fp=0xc000050fe0 sp=0xc000050f50 pc=0x41f7d2
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000050fe8 sp=0xc000050fe0 pc=0x471701
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 1 [sleep]:
runtime.gopark(0x88b751f5b?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc001893620 sp=0xc001893600 pc=0x43e78e
time.Sleep(0x5f5e100)
	/usr/local/go/src/runtime/time.go:195 +0x125 fp=0xc001893660 sp=0xc001893620 pc=0x46e845
main.(*FuzzerTool).exchangeDataCall(0xc000035970, {0xc000b769a0, 0x2, 0x2}, 0x1ca6efe)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:294 +0x2e5 fp=0xc001893780 sp=0xc001893660 pc=0xa3e985
main.(*FuzzerTool).exchangeDataWorker(0xc000035970)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:327 +0x76 fp=0xc001893ab0 sp=0xc001893780 pc=0xa3ead6
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:214 +0x1338 fp=0xc001893f40 sp=0xc001893ab0 pc=0xa3df78
runtime.main()
	/usr/local/go/src/runtime/proc.go:267 +0x2bb fp=0xc001893fe0 sp=0xc001893f40 pc=0x43e31b
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc001893fe8 sp=0xc001893fe0 pc=0x471701

goroutine 2 [force gc (idle)]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000054fa8 sp=0xc000054f88 pc=0x43e78e
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.forcegchelper()
	/usr/local/go/src/runtime/proc.go:322 +0xb3 fp=0xc000054fe0 sp=0xc000054fa8 pc=0x43e5f3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000054fe8 sp=0xc000054fe0 pc=0x471701
created by runtime.init.6 in goroutine 1
	/usr/local/go/src/runtime/proc.go:310 +0x1a

goroutine 3 [GC sweep wait]:
runtime.gopark(0x1?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000055778 sp=0xc000055758 pc=0x43e78e
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.bgsweep(0x0?)
	/usr/local/go/src/runtime/mgcsweep.go:321 +0xdf fp=0xc0000557c8 sp=0xc000055778 pc=0x428a5f
runtime.gcenable.func1()
	/usr/local/go/src/runtime/mgc.go:200 +0x25 fp=0xc0000557e0 sp=0xc0000557c8 pc=0x41db45
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000557e8 sp=0xc0000557e0 pc=0x471701
created by runtime.gcenable in goroutine 1
	/usr/local/go/src/runtime/mgc.go:200 +0x66

goroutine 4 [GC scavenge wait]:
runtime.gopark(0x28b40fa3?, 0x3b9aca00?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000055f70 sp=0xc000055f50 pc=0x43e78e
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.(*scavengerState).park(0x25dd740)
	/usr/local/go/src/runtime/mgcscavenge.go:425 +0x49 fp=0xc000055fa0 sp=0xc000055f70 pc=0x4262e9
runtime.bgscavenge(0x0?)
	/usr/local/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0xc000055fc8 sp=0xc000055fa0 pc=0x426899
runtime.gcenable.func2()
	/usr/local/go/src/runtime/mgc.go:201 +0x25 fp=0xc000055fe0 sp=0xc000055fc8 pc=0x41dae5
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000055fe8 sp=0xc000055fe0 pc=0x471701
created by runtime.gcenable in goroutine 1
	/usr/local/go/src/runtime/mgc.go:201 +0xa5

goroutine 17 [finalizer wait]:
runtime.gopark(0x0?, 0xe35b80?, 0x0?, 0xe0?, 0x2000000020?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000054628 sp=0xc000054608 pc=0x43e78e
runtime.runfinq()
	/usr/local/go/src/runtime/mfinal.go:193 +0x107 fp=0xc0000547e0 sp=0xc000054628 pc=0x41cbc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000547e8 sp=0xc0000547e0 pc=0x471701
created by runtime.createfing in goroutine 1
	/usr/local/go/src/runtime/mfinal.go:163 +0x3d

goroutine 18 [GC worker (active)]:
runtime.systemstack_switch()
	/usr/local/go/src/runtime/asm_amd64.s:474 +0x8 fp=0xc000050750 sp=0xc000050740 pc=0x46f8a8
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1353 +0x1f2 fp=0xc0000507e0 sp=0xc000050750 pc=0x41f7d2
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000507e8 sp=0xc0000507e0 pc=0x471701
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 20 [select]:
runtime.gopark(0xc000051788?, 0x3?, 0x0?, 0x45?, 0xc000051772?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000051618 sp=0xc0000515f8 pc=0x43e78e
runtime.selectgo(0xc000051788, 0xc00005176c, 0xc000322900?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000051738 sp=0xc000051618 pc=0x44ec05
go.opencensus.io/stats/view.(*worker).start(0xc000322900)
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0x9f fp=0xc0000517c8 sp=0xc000051738 pc=0x9c053f
go.opencensus.io/stats/view.init.0.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:34 +0x25 fp=0xc0000517e0 sp=0xc0000517c8 pc=0x9bf865
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000517e8 sp=0xc0000517e0 pc=0x471701
created by go.opencensus.io/stats/view.init.0 in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:34 +0x8d

goroutine 23 [chan receive]:
runtime.gopark(0xc001177da0?, 0xc000090cd0?, 0xc0?, 0x0?, 0xa28020?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000051ef8 sp=0xc000051ed8 pc=0x43e78e
runtime.chanrecv(0xc001177d40, 0xc000051fb8, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000051f70 sp=0xc000051ef8 pc=0x4099ad
runtime.chanrecv2(0xc001179ac0?, 0x44583c?)
	/usr/local/go/src/runtime/chan.go:447 +0x12 fp=0xc000051f98 sp=0xc000051f70 pc=0x4095d2
github.com/google/syzkaller/pkg/stats.newSet.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:98 +0x66 fp=0xc000051fe0 sp=0xc000051f98 pc=0xa26d26
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000051fe8 sp=0xc000051fe0 pc=0x471701
created by github.com/google/syzkaller/pkg/stats.newSet in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:97 +0xe5

goroutine 5 [chan receive]:
runtime.gopark(0xc0000566e0?, 0x74dfa5?, 0x1?, 0x21?, 0xc000056758?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000566c8 sp=0xc0000566a8 pc=0x43e78e
runtime.chanrecv(0xc001177b00, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000056740 sp=0xc0000566c8 pc=0x4099ad
runtime.chanrecv1(0xc001177b00?, 0xc0000567b0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000056768 sp=0xc000056740 pc=0x4095b2
github.com/google/syzkaller/pkg/osutil.HandleInterrupts.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:77 +0x85 fp=0xc0000567e0 sp=0xc000056768 pc=0x74f545
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000567e8 sp=0xc0000567e0 pc=0x471701
created by github.com/google/syzkaller/pkg/osutil.HandleInterrupts in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:74 +0x4f

goroutine 6 [chan receive]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000056ef0 sp=0xc000056ed0 pc=0x43e78e
runtime.chanrecv(0xc0000920c0, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000056f68 sp=0xc000056ef0 pc=0x4099ad
runtime.chanrecv1(0x0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000056f90 sp=0xc000056f68 pc=0x4095b2
main.main.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:102 +0x19 fp=0xc000056fe0 sp=0xc000056f90 pc=0xa3e039
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000056fe8 sp=0xc000056fe0 pc=0x471701
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:100 +0x419

goroutine 7 [IO wait]:
runtime.gopark(0xc00061ec10?, 0x4103c5?, 0x18?, 0xec?, 0x4e473d?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00061eba8 sp=0xc00061eb88 pc=0x43e78e
runtime.netpollblock(0x7f8096db4508?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00061ebe0 sp=0xc00061eba8 pc=0x4371f7
internal/poll.runtime_pollWait(0x7f80501dbf08, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00061ec00 sp=0xc00061ebe0 pc=0x46bec5
internal/poll.(*pollDesc).wait(0xc0005aa000?, 0xc00061ece8?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00061ec28 sp=0xc00061ec00 pc=0x4dd3a7
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Accept(0xc0005aa000)
	/usr/local/go/src/internal/poll/fd_unix.go:611 +0x2ac fp=0xc00061ecd0 sp=0xc00061ec28 pc=0x4e288c
net.(*netFD).accept(0xc0005aa000)
	/usr/local/go/src/net/fd_unix.go:172 +0x29 fp=0xc00061ed88 sp=0xc00061ecd0 pc=0x5bf549
net.(*TCPListener).accept(0xc000550ee0)
	/usr/local/go/src/net/tcpsock_posix.go:152 +0x1e fp=0xc00061edb0 sp=0xc00061ed88 pc=0x5d6c7e
net.(*TCPListener).Accept(0xc000550ee0)
	/usr/local/go/src/net/tcpsock.go:315 +0x30 fp=0xc00061ede0 sp=0xc00061edb0 pc=0x5d5e30
net/http.(*onceCloseListener).Accept(0xf319d0?)
	<autogenerated>:1 +0x24 fp=0xc00061edf8 sp=0xc00061ede0 pc=0x6f7264
net/http.(*Server).Serve(0xc000874000, {0xf309a0, 0xc000550ee0})
	/usr/local/go/src/net/http/server.go:3056 +0x364 fp=0xc00061ef28 sp=0xc00061edf8 pc=0x6d4f04
net/http.(*Server).ListenAndServe(0xc000874000)
	/usr/local/go/src/net/http/server.go:2985 +0x71 fp=0xc00061ef58 sp=0xc00061ef28 pc=0x6d4b71
net/http.ListenAndServe(...)
	/usr/local/go/src/net/http/server.go:3239
main.setupPprofHandler.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:385 +0x9d fp=0xc00061efe0 sp=0xc00061ef58 pc=0xa3fb9d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00061efe8 sp=0xc00061efe0 pc=0x471701
created by main.setupPprofHandler in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:384 +0x37

goroutine 24 [select, locked to thread]:
runtime.gopark(0xc0005847a8?, 0x2?, 0x29?, 0xea?, 0xc0005847a4?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000584638 sp=0xc000584618 pc=0x43e78e
runtime.selectgo(0xc0005847a8, 0xc0005847a0, 0x0?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000584758 sp=0xc000584638 pc=0x44ec05
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1014 +0x19f fp=0xc0005847e0 sp=0xc000584758 pc=0x4683df
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0005847e8 sp=0xc0005847e0 pc=0x471701
created by runtime.ensureSigM in goroutine 5
	/usr/local/go/src/runtime/signal_unix.go:997 +0xc8

goroutine 25 [syscall]:
runtime.notetsleepg(0x1e8ee00?, 0x0?)
	/usr/local/go/src/runtime/lock_futex.go:236 +0x29 fp=0xc000584fa0 sp=0xc000584f68 pc=0x40ee69
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x29 fp=0xc000584fc0 sp=0xc000584fa0 pc=0x46dec9
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x13 fp=0xc000584fe0 sp=0xc000584fc0 pc=0x74e2d3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000584fe8 sp=0xc000584fe0 pc=0x471701
created by os/signal.Notify.func1.1 in goroutine 5
	/usr/local/go/src/os/signal/signal.go:151 +0x1f

goroutine 27 [IO wait]:
runtime.gopark(0xc000699980?, 0xb?, 0x0?, 0x0?, 0x3?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000699958 sp=0xc000699938 pc=0x43e78e
runtime.netpollblock(0x4c0d78?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000699990 sp=0xc000699958 pc=0x4371f7
internal/poll.runtime_pollWait(0x7f80501dbe10, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006999b0 sp=0xc000699990 pc=0x46bec5
internal/poll.(*pollDesc).wait(0xc000574080?, 0xc00065e000?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006999d8 sp=0xc0006999b0 pc=0x4dd3a7
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000574080, {0xc00065e000, 0x1000, 0x1000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000699a70 sp=0xc0006999d8 pc=0x4de69a
net.(*netFD).Read(0xc000574080, {0xc00065e000?, 0x99cca5?, 0xaa9ee0?})
	/usr/local/go/src/net/fd_posix.go:55 +0x25 fp=0xc000699ab8 sp=0xc000699a70 pc=0x5bd525
net.(*conn).Read(0xc000d2c068, {0xc00065e000?, 0xc000699b58?, 0x4b6c30?})
	/usr/local/go/src/net/net.go:179 +0x45 fp=0xc000699b00 sp=0xc000699ab8 pc=0x5ce445
net.(*TCPConn).Read(0x407728?, {0xc00065e000?, 0x407cad?, 0x4078dd?})
	<autogenerated>:1 +0x25 fp=0xc000699b30 sp=0xc000699b00 pc=0x5df3a5
bufio.(*Reader).fill(0xc000079c80)
	/usr/local/go/src/bufio/bufio.go:113 +0x103 fp=0xc000699b68 sp=0xc000699b30 pc=0x65d063
bufio.(*Reader).ReadByte(0xc000079c80)
	/usr/local/go/src/bufio/bufio.go:272 +0x27 fp=0xc000699b88 sp=0xc000699b68 pc=0x65d787
compress/flate.(*decompressor).moreBits(0xc000280000)
	/usr/local/go/src/compress/flate/inflate.go:697 +0x27 fp=0xc000699bc0 sp=0xc000699b88 pc=0x675ea7
compress/flate.(*decompressor).nextBlock(0xc000280000)
	/usr/local/go/src/compress/flate/inflate.go:304 +0x28 fp=0xc000699bd8 sp=0xc000699bc0 pc=0x674348
compress/flate.(*decompressor).Read(0xc000280000, {0xc00066a000, 0x1000, 0xc000699c78?})
	/usr/local/go/src/compress/flate/inflate.go:348 +0x5b fp=0xc000699c08 sp=0xc000699bd8 pc=0x67457b
github.com/google/syzkaller/pkg/rpctype.(*flateConn).Read(0xc000cae200?, {0xc00066a000?, 0xb57800?, 0xc00111ef00?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:124 +0x22 fp=0xc000699c38 sp=0xc000699c08 pc=0xa3b742
bufio.(*Reader).Read(0xc000079ce0, {0xc0000120f4, 0x1, 0xc000699d68?})
	/usr/local/go/src/bufio/bufio.go:244 +0x197 fp=0xc000699c70 sp=0xc000699c38 pc=0x65d597
io.ReadAtLeast({0xf28e20, 0xc000079ce0}, {0xc0000120f4, 0x1, 0x9}, 0x1)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000699cb8 sp=0xc000699c70 pc=0x4b6c30
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
encoding/gob.decodeUintReader({0xf28e20, 0xc000079ce0}, {0xc0000120f4, 0x9, 0x9})
	/usr/local/go/src/encoding/gob/decode.go:116 +0x51 fp=0xc000699d10 sp=0xc000699cb8 pc=0x99b151
encoding/gob.(*Decoder).recvMessage(0xc0005aa080)
	/usr/local/go/src/encoding/gob/decoder.go:82 +0x33 fp=0xc000699d48 sp=0xc000699d10 pc=0x9a4733
encoding/gob.(*Decoder).decodeTypeSequence(0xc0005aa080, 0x0)
	/usr/local/go/src/encoding/gob/decoder.go:148 +0x47 fp=0xc000699d78 sp=0xc000699d48 pc=0x9a4aa7
encoding/gob.(*Decoder).DecodeValue(0xc0005aa080, {0xa8f9c0?, 0xc001277530?, 0x7f80501e8870?})
	/usr/local/go/src/encoding/gob/decoder.go:227 +0x16e fp=0xc000699df8 sp=0xc000699d78 pc=0x9a4eee
encoding/gob.(*Decoder).Decode(0xc0005aa080, {0xa8f9c0?, 0xc001277530?})
	/usr/local/go/src/encoding/gob/decoder.go:204 +0x125 fp=0xc000699e50 sp=0xc000699df8 pc=0x9a4d25
net/rpc.(*gobClientCodec).ReadResponseHeader(0xaf2500?, 0xa8bd80?)
	/usr/local/go/src/net/rpc/client.go:228 +0x25 fp=0xc000699e78 sp=0xc000699e50 pc=0x9b9865
net/rpc.(*Client).input(0xc000079da0)
	/usr/local/go/src/net/rpc/client.go:109 +0x9f fp=0xc000699fc8 sp=0xc000699e78 pc=0x9b8abf
net/rpc.NewClientWithCodec.func1()
	/usr/local/go/src/net/rpc/client.go:206 +0x25 fp=0xc000699fe0 sp=0xc000699fc8 pc=0x9b9745
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000699fe8 sp=0xc000699fe0 pc=0x471701
created by net/rpc.NewClientWithCodec in goroutine 1
	/usr/local/go/src/net/rpc/client.go:206 +0xb6

goroutine 10 [syscall (scan)]:
syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0xc000587630?, 0xc000587630?, 0x44e3b0?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc0005875e0 sp=0xc000587558 pc=0x4c2d30
os.(*Process).blockUntilWaitable(0xc00003d680)
	/usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc0005876b8 sp=0xc0005875e0 pc=0x4ef516
os.(*Process).wait(0xc00003d680)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000587718 sp=0xc0005876b8 pc=0x4e9005
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000275600)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000587780 sp=0xc000587718 pc=0x749f45
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0000ac56000?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:710 +0x28 fp=0xc00058779f sp=0xc000587780 pc=0xa393a8
runtime: g 10: unexpected return pc for github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3 called from 0xc0005877d000
stack: frame={sp:0xc000587780, fp:0xc00058779f} stack=[0xc000587000,0xc000587800)
0x000000c000587680:  0x0000000000000000  0x0000000000000000 
0x000000c000587690:  0x0000000000000000  0xffffffffffffffff 
0x000000c0005876a0:  0x000000c000587618  0x000000c000587708 
0x000000c0005876b0:  0x00000000004e9005 <os.(*Process).wait+0x0000000000000025>  0x000000c00003d680 
0x000000c0005876c0:  0x0000000000000002  0x0000000000000000 
0x000000c0005876d0:  0x000000000177d480  0x000000c00057c0a0 
0x000000c0005876e0:  0x000000c000587794  0x000000c0000bdd40 
0x000000c0005876f0:  0x0000000000000000  0x000000c000d7e2a0 
0x000000c000587700:  0x000000c000264218  0x000000c000587770 
0x000000c000587710:  0x0000000000749f45 <os/exec.(*Cmd).Wait+0x0000000000000045>  0x000000c00003d680 
0x000000c000587720:  0x000000c000587750  0x0000000000408897 <runtime.chansend1+0x0000000000000017> 
0x000000c000587730:  0x000000c0002641c0  0x000000c000587750 
0x000000c000587740:  0x000000000046e8d3 <time.stopTimer+0x0000000000000013>  0x000000c001198378 
0x000000c000587750:  0x000000c0005877d0  0x000000000074eb14 <github.com/google/syzkaller/pkg/osutil.Run.func1+0x0000000000000094> 
0x000000c000587760:  0x000000c0005877b0  0x000000c000587790 
0x000000c000587770:  0x000000c0005877b8  0x0000000000a393a8 <github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3+0x0000000000000028> 
0x000000c000587780: <0x000000c000275600  0x0001010101010101 
0x000000c000587790:  0x0000000100000001  0x000000c0005877d0 
0x000000c0005877a0:  0x000000c0000ac560  0x000000c00066c160 
0x000000c0005877b0:  0x000000c000d7e2a0  0x000000c0005877d0 
0x000000c0005877c0:  0x0000000000a39347 <github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8+0x0000000000000027>  0x000000c0005aa480 
0x000000c0005877d0:  0x0000000000000000  0x0000000000471701 <runtime.goexit+0x0000000000000001> 
0x000000c0005877e0:  0x000000c000d80000  0x0000000000000000 
0x000000c0005877f0:  0x0000000000000000  0x0000000000000000 
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 36
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:709 +0xc0d

goroutine 9 [IO wait]:
runtime.gopark(0xc000586630?, 0xb?, 0x0?, 0x0?, 0x16?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000586600 sp=0xc0005865e0 pc=0x43e78e
runtime.netpollblock(0x4c0d78?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000586638 sp=0xc000586600 pc=0x4371f7
internal/poll.runtime_pollWait(0x7f80501dba30, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000586658 sp=0xc000586638 pc=0x46bec5
internal/poll.(*pollDesc).wait(0xc0006e0240?, 0xc00089a000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000586680 sp=0xc000586658 pc=0x4dd3a7
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0006e0240, {0xc00089a000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000586718 sp=0xc000586680 pc=0x4de69a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000ac560, {0xc00089a000?, 0xc000586790?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000586758 sp=0xc000586718 pc=0x4e9792
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0005aa480)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:687 +0x89 fp=0xc0005867c8 sp=0xc000586758 pc=0xa39509
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x27 fp=0xc0005867e0 sp=0xc0005867c8 pc=0xa39447
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0005867e8 sp=0xc0005867e0 pc=0x471701
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 36
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:681 +0xa05

goroutine 33 [runnable]:
syscall.Syscall(0xc000cad5a0?, 0x1d?, 0x1d?, 0x0?)
	/usr/local/go/src/syscall/syscall_linux.go:69 +0x25 fp=0xc00069d700 sp=0xc00069d690 pc=0x4c2ca5
syscall.Mkdirat(0xc000cad5b3?, {0xc000cad5a0?, 0xc00069d798?}, 0x1c0)
	/usr/local/go/src/syscall/zsyscall_linux_amd64.go:650 +0x73 fp=0xc00069d750 sp=0xc00069d700 pc=0x4c0c73
syscall.Mkdir(...)
	/usr/local/go/src/syscall/syscall_linux.go:264
os.Mkdir.func1()
	/usr/local/go/src/os/file.go:264 +0x5d fp=0xc00069d780 sp=0xc00069d750 pc=0x4ea27d
os.ignoringEINTR(...)
	/usr/local/go/src/os/file_posix.go:251
os.Mkdir({0xc000cad5a0, 0x1d}, 0x69d810?)
	/usr/local/go/src/os/file.go:263 +0x59 fp=0xc00069d7d8 sp=0xc00069d780 pc=0x4ea119
os.MkdirTemp({0xc03f6c?, 0x1?}, {0xc429b4, 0x11})
	/usr/local/go/src/os/tempfile.go:94 +0x21c fp=0xc00069d900 sp=0xc00069d7d8 pc=0x4ef19c
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc0005aa200, 0xc00069dd38, {0xc03f6c?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:609 +0x65 fp=0xc00069db78 sp=0xc00069d900 pc=0xa385a5
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc0005aa200, 0xc00069dd38)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:370 +0xce fp=0xc00069dba8 sp=0xc00069db78 pc=0xa3688e
main.(*Proc).executeProgram(0xc0000b79f8, {0x100, {0xc000e1f600, 0x2a9, 0x2a9}, {0x15, 0x7e2, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:117 +0x52 fp=0xc00069dd18 sp=0xc00069dba8 pc=0xa40792
main.(*Proc).execute(0xc0000b79f8?, {0x100, {0xc000e1f600, 0x2a9, 0x2a9}, {0x15, 0x7e2, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc00069ddb0 sp=0xc00069dd18 pc=0xa40678
main.(*Proc).loop(0xc0000b79f8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc00069dfc8 sp=0xc00069ddb0 pc=0xa40018
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc00069dfe0 sp=0xc00069dfc8 pc=0xa3fd85
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00069dfe8 sp=0xc00069dfe0 pc=0x471701
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 8 [sleep]:
runtime.gopark(0x88f01a356?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006b5b38 sp=0xc0006b5b18 pc=0x43e78e
time.Sleep(0x5f5e100)
	/usr/local/go/src/runtime/time.go:195 +0x125 fp=0xc0006b5b78 sp=0xc0006b5b38 pc=0x46e845
main.(*FuzzerTool).exchangeDataCall(0xc000035970, {0xc000f67130, 0x1, 0x1}, 0x1db9dd7)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:294 +0x2e5 fp=0xc0006b5c98 sp=0xc0006b5b78 pc=0xa3e985
main.(*FuzzerTool).exchangeDataWorker(0xc000035970)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:327 +0x76 fp=0xc0006b5fc8 sp=0xc0006b5c98 pc=0xa3ead6
main.main.func2()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:213 +0x25 fp=0xc0006b5fe0 sp=0xc0006b5fc8 pc=0xa3dfe5
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006b5fe8 sp=0xc0006b5fe0 pc=0x471701
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:213 +0x132b

goroutine 34 [runnable]:
syscall.Syscall(0xc001838480?, 0x21?, 0xc0006b36f8?, 0x4ebbca?)
	/usr/local/go/src/syscall/syscall_linux.go:69 +0x25 fp=0xc0006b3690 sp=0xc0006b3620 pc=0x4c2ca5
syscall.unlinkat(0xc000588800?, {0xc001838480?, 0xc0006b3710?}, 0x4ead9b?)
	/usr/local/go/src/syscall/zsyscall_linux_amd64.go:151 +0x73 fp=0xc0006b36e8 sp=0xc0006b3690 pc=0x4c0153
syscall.Unlink(...)
	/usr/local/go/src/syscall/syscall_linux.go:321
os.Remove.func1(...)
	/usr/local/go/src/os/file_unix.go:364
os.ignoringEINTR(...)
	/usr/local/go/src/os/file_posix.go:251
os.Remove({0xc001838480, 0x21})
	/usr/local/go/src/os/file_unix.go:363 +0x3f fp=0xc0006b3740 sp=0xc0006b36e8 pc=0x4ebd5f
os.removeAll({0xc001838480, 0x21})
	/usr/local/go/src/os/removeall_at.go:29 +0x135 fp=0xc0006b37f8 sp=0xc0006b3740 pc=0x4ed155
os.RemoveAll(...)
	/usr/local/go/src/os/path.go:67
github.com/google/syzkaller/pkg/osutil.RemoveAll({0xc001838480, 0x21})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_linux.go:30 +0x11f fp=0xc0006b3878 sp=0xc0006b37f8 pc=0x74f27f
github.com/google/syzkaller/pkg/ipc.(*command).close(0xc000574800)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:737 +0x7e fp=0xc0006b38b0 sp=0xc0006b3878 pc=0xa3985e
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:634 +0x1f fp=0xc0006b38c8 sp=0xc0006b38b0 pc=0xa397bf
runtime.deferreturn()
	/usr/local/go/src/runtime/panic.go:477 +0x31 fp=0xc0006b3900 sp=0xc0006b38c8 pc=0x43a651
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc0005aa280, 0xc0006b3d38, {0xc03f6c?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:724 +0xcc7 fp=0xc0006b3b78 sp=0xc0006b3900 pc=0xa39207
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc0005aa280, 0xc0006b3d38)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:370 +0xce fp=0xc0006b3ba8 sp=0xc0006b3b78 pc=0xa3688e
main.(*Proc).executeProgram(0xc0000b7a40, {0x101, {0xc001049700, 0x543, 0x543}, {0x14, 0x7e2, 0x0}, 0x0, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:117 +0x52 fp=0xc0006b3d18 sp=0xc0006b3ba8 pc=0xa40792
main.(*Proc).execute(0xc0000b7a40?, {0x101, {0xc001049700, 0x543, 0x543}, {0x14, 0x7e2, 0x0}, 0x0, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc0006b3db0 sp=0xc0006b3d18 pc=0xa40678
main.(*Proc).loop(0xc0000b7a40)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc0006b3fc8 sp=0xc0006b3db0 pc=0xa40018
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006b3fe0 sp=0xc0006b3fc8 pc=0xa3fd85
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006b3fe8 sp=0xc0006b3fe0 pc=0x471701
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 35 [runnable]:
runtime.gopark(0xc0006b77f8?, 0xb?, 0x0?, 0x0?, 0x14?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006b77b0 sp=0xc0006b7790 pc=0x43e78e
runtime.netpollblock(0x4c0d78?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0006b77e8 sp=0xc0006b77b0 pc=0x4371f7
internal/poll.runtime_pollWait(0x7f80501db938, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006b7808 sp=0xc0006b77e8 pc=0x46bec5
internal/poll.(*pollDesc).wait(0xc00057c2a0?, 0xc0010d18a0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006b7830 sp=0xc0006b7808 pc=0x4dd3a7
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00057c2a0, {0xc0010d18a0, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0006b78c8 sp=0xc0006b7830 pc=0x4de69a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000a56428, {0xc0010d18a0?, 0xc0006b7940?, 0x410745?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0006b7908 sp=0xc0006b78c8 pc=0x4e9792
io.ReadAtLeast({0xf28be0, 0xc000a56428}, {0xc0010d18a0, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0006b7950 sp=0xc0006b7908 pc=0x4b6c30
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc000574100, 0xc0006b7d38?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:847 +0x568 fp=0xc0006b7b08 sp=0xc0006b7950 pc=0xa3a3c8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0005aa300, 0xc66139?, {0xc001119300, 0x1973, 0x1973})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:318 +0x168 fp=0xc0006b7ba8 sp=0xc0006b7b08 pc=0xa36528
main.(*Proc).executeProgram(0xc0000b7a58, {0x102, {0xc001119300, 0x1973, 0x1973}, {0x15, 0x7e2, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:122 +0x156 fp=0xc0006b7d18 sp=0xc0006b7ba8 pc=0xa40896
main.(*Proc).execute(0xc0000b7a58?, {0x102, {0xc001119300, 0x1973, 0x1973}, {0x15, 0x7e2, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc0006b7db0 sp=0xc0006b7d18 pc=0xa40678
main.(*Proc).loop(0xc0000b7a58)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc0006b7fc8 sp=0xc0006b7db0 pc=0xa40018
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006b7fe0 sp=0xc0006b7fc8 pc=0xa3fd85
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006b7fe8 sp=0xc0006b7fe0 pc=0x471701
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 36 [runnable]:
runtime.gopark(0xc00069f7f8?, 0xb?, 0x0?, 0x0?, 0x18?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00069f7b0 sp=0xc00069f790 pc=0x43e78e
runtime.netpollblock(0x4c0d78?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00069f7e8 sp=0xc00069f7b0 pc=0x4371f7
internal/poll.runtime_pollWait(0x7f80501db748, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00069f808 sp=0xc00069f7e8 pc=0x46bec5
internal/poll.(*pollDesc).wait(0xc0006e0300?, 0xc0010d1a10?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00069f830 sp=0xc00069f808 pc=0x4dd3a7
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0006e0300, {0xc0010d1a10, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00069f8c8 sp=0xc00069f830 pc=0x4de69a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000ac590, {0xc0010d1a10?, 0xc00069f940?, 0x410745?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc00069f908 sp=0xc00069f8c8 pc=0x4e9792
io.ReadAtLeast({0xf28be0, 0xc0000ac590}, {0xc0010d1a10, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc00069f950 sp=0xc00069f908 pc=0x4b6c30
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0005aa480, 0xc00069fd38?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:847 +0x568 fp=0xc00069fb08 sp=0xc00069f950 pc=0xa3a3c8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0005aa380, 0xc66139?, {0xc001098a00, 0x13b4, 0x13b4})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:318 +0x168 fp=0xc00069fba8 sp=0xc00069fb08 pc=0xa36528
main.(*Proc).executeProgram(0xc0000b7a70, {0x104, {0xc001098a00, 0x13b4, 0x13b4}, {0x14, 0x7e2, 0x0}, 0x0, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:122 +0x156 fp=0xc00069fd18 sp=0xc00069fba8 pc=0xa40896
main.(*Proc).execute(0xc0000b7a70?, {0x104, {0xc001098a00, 0x13b4, 0x13b4}, {0x14, 0x7e2, 0x0}, 0x0, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc00069fdb0 sp=0xc00069fd18 pc=0xa40678
main.(*Proc).loop(0xc0000b7a70)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc00069ffc8 sp=0xc00069fdb0 pc=0xa40018
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc00069ffe0 sp=0xc00069ffc8 pc=0xa3fd85
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00069ffe8 sp=0xc00069ffe0 pc=0x471701
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 37 [runnable]:
syscall.Syscall(0xc0000a2f30?, 0x21?, 0xc00069b6f8?, 0x4ebbca?)
	/usr/local/go/src/syscall/syscall_linux.go:69 +0x25 fp=0xc00069b690 sp=0xc00069b620 pc=0x4c2ca5
syscall.unlinkat(0xc00005a800?, {0xc0000a2f30?, 0xc00069b710?}, 0x4ead9b?)
	/usr/local/go/src/syscall/zsyscall_linux_amd64.go:151 +0x73 fp=0xc00069b6e8 sp=0xc00069b690 pc=0x4c0153
syscall.Unlink(...)
	/usr/local/go/src/syscall/syscall_linux.go:321
os.Remove.func1(...)
	/usr/local/go/src/os/file_unix.go:364
os.ignoringEINTR(...)
	/usr/local/go/src/os/file_posix.go:251
os.Remove({0xc0000a2f30, 0x21})
	/usr/local/go/src/os/file_unix.go:363 +0x3f fp=0xc00069b740 sp=0xc00069b6e8 pc=0x4ebd5f
os.removeAll({0xc0000a2f30, 0x21})
	/usr/local/go/src/os/removeall_at.go:29 +0x135 fp=0xc00069b7f8 sp=0xc00069b740 pc=0x4ed155
os.RemoveAll(...)
	/usr/local/go/src/os/path.go:67
github.com/google/syzkaller/pkg/osutil.RemoveAll({0xc0000a2f30, 0x21})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_linux.go:30 +0x11f fp=0xc00069b878 sp=0xc00069b7f8 pc=0x74f27f
github.com/google/syzkaller/pkg/ipc.(*command).close(0xc0005aaa00)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:737 +0x7e fp=0xc00069b8b0 sp=0xc00069b878 pc=0xa3985e
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:634 +0x1f fp=0xc00069b8c8 sp=0xc00069b8b0 pc=0xa397bf
runtime.deferreturn()
	/usr/local/go/src/runtime/panic.go:477 +0x31 fp=0xc00069b900 sp=0xc00069b8c8 pc=0x43a651
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc0005aa400, 0xc00069bd38, {0xc03f6c?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:724 +0xcc7 fp=0xc00069bb78 sp=0xc00069b900 pc=0xa39207
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc0005aa400, 0xc00069bd38)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:370 +0xce fp=0xc00069bba8 sp=0xc00069bb78 pc=0xa3688e
main.(*Proc).executeProgram(0xc0000b7a88, {0x103, {0xc00024d7c0, 0x9c, 0x9c}, {0x15, 0x7e2, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:117 +0x52 fp=0xc00069bd18 sp=0xc00069bba8 pc=0xa40792
main.(*Proc).execute(0xc0000b7a88?, {0x103, {0xc00024d7c0, 0x9c, 0x9c}, {0x15, 0x7e2, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc00069bdb0 sp=0xc00069bd18 pc=0xa40678
main.(*Proc).loop(0xc0000b7a88)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc00069bfc8 sp=0xc00069bdb0 pc=0xa40018
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc00069bfe0 sp=0xc00069bfc8 pc=0xa3fd85
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00069bfe8 sp=0xc00069bfe0 pc=0x471701
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 38 [runnable]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x12?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000580600 sp=0xc0005805e0 pc=0x43e78e
runtime.netpollblock(0x4c0d78?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000580638 sp=0xc000580600 pc=0x4371f7
internal/poll.runtime_pollWait(0x7f80501dbc20, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000580658 sp=0xc000580638 pc=0x46bec5
internal/poll.(*pollDesc).wait(0xc00057c1e0?, 0xc0008da000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000580680 sp=0xc000580658 pc=0x4dd3a7
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00057c1e0, {0xc0008da000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000580718 sp=0xc000580680 pc=0x4de69a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000a56240, {0xc0008da000?, 0x0?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000580758 sp=0xc000580718 pc=0x4e9792
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc000574100)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:687 +0x89 fp=0xc0005807c8 sp=0xc000580758 pc=0xa39509
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x27 fp=0xc0005807e0 sp=0xc0005807c8 pc=0xa39447
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0005807e8 sp=0xc0005807e0 pc=0x471701
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 35
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:681 +0xa05

goroutine 39 [syscall (scan)]:
syscall.Syscall6(0x50f3fd?, 0x0?, 0x0?, 0x40d47d?, 0x7f804febb4a8?, 0x0?, 0xc000585668?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc0005855e0 sp=0xc000585558 pc=0x4c2d30
os.(*Process).blockUntilWaitable(0xc0010d4510)
	/usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc0005856b8 sp=0xc0005855e0 pc=0x4ef516
os.(*Process).wait(0xc0010d4510)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000585718 sp=0xc0005856b8 pc=0x4e9005
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000732000)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000585780 sp=0xc000585718 pc=0x749f45
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc000a5624000?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:710 +0x28 fp=0xc00058579f sp=0xc000585780 pc=0xa393a8
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 35
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:709 +0xc0d

goroutine 320 [select]:
runtime.gopark(0xc0005827b0?, 0x2?, 0x0?, 0x7e?, 0xc00058278c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000582638 sp=0xc000582618 pc=0x43e78e
runtime.selectgo(0xc0005827b0, 0xc000582788, 0xc0000b80b8?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000582758 sp=0xc000582638 pc=0x44ec05
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:832 +0x77 fp=0xc0005827e0 sp=0xc000582758 pc=0xa3aad7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0005827e8 sp=0xc0005827e0 pc=0x471701
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 35
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:830 +0x26b

goroutine 327 [select]:
runtime.gopark(0xc000582fb0?, 0x2?, 0xa0?, 0xa8?, 0xc000582f8c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000582e38 sp=0xc000582e18 pc=0x43e78e
runtime.selectgo(0xc000582fb0, 0xc000582f88, 0xc0012049e8?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000582f58 sp=0xc000582e38 pc=0x44ec05
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:832 +0x77 fp=0xc000582fe0 sp=0xc000582f58 pc=0xa3aad7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000582fe8 sp=0xc000582fe0 pc=0x471701
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 36
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:830 +0x26b

runtime stack:
runtime.throw({0xc42893?, 0x422f07?})
	/usr/local/go/src/runtime/panic.go:1077 +0x5c fp=0xc00090fa70 sp=0xc00090fa40 pc=0x43b93c
runtime.(*unwinder).next(0xc00090fc98)
	/usr/local/go/src/runtime/traceback.go:475 +0x249 fp=0xc00090fae8 sp=0xc00090fa70 pc=0x462009
runtime.scanstack(0xc0011a9860, 0x0?)
	/usr/local/go/src/runtime/mgcmark.go:802 +0x272 fp=0xc00090fe20 sp=0xc00090fae8 pc=0x422972
runtime.markroot.func1()
	/usr/local/go/src/runtime/mgcmark.go:240 +0xb5 fp=0xc00090fe70 sp=0xc00090fe20 pc=0x4217f5
runtime.markroot(0xc000043240, 0x67, 0x1)
	/usr/local/go/src/runtime/mgcmark.go:214 +0x1a8 fp=0xc00090ff18 sp=0xc00090fe70 pc=0x421488
runtime.gcDrain(0xc000043240, 0x7)
	/usr/local/go/src/runtime/mgcmark.go:1069 +0x37d fp=0xc00090ff78 sp=0xc00090ff18 pc=0x4233dd
runtime.gcBgMarkWorker.func2()
	/usr/local/go/src/runtime/mgc.go:1385 +0x6f fp=0xc00090ffc8 sp=0xc00090ff78 pc=0x41fb0f
traceback: unexpected SPWRITE function runtime.systemstack
runtime.systemstack()
	/usr/local/go/src/runtime/asm_amd64.s:509 +0x4a fp=0xc00090ffd8 sp=0xc00090ffc8 pc=0x46f90a