syzbot

fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0x7f7fb0c2e000 pc=0x4701fc]

goroutine 15 [running]:
runtime.throw({0xbe68c8?, 0xc000253ac0?})
	/usr/local/go/src/runtime/panic.go:1077 +0x5c fp=0xc000253aa0 sp=0xc000253a70 pc=0x43a07c
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:875 +0x285 fp=0xc000253b00 sp=0xc000253aa0 pc=0x450de5
runtime.memmove()
	/usr/local/go/src/runtime/memmove_amd64.s:375 +0x43c fp=0xc000253b08 sp=0xc000253b00 pc=0x4701fc
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0000de200, 0xc0012c?, {0xc000918a80, 0x612d, 0x612d})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:303 +0x97 fp=0xc000253ba8 sp=0xc000253b08 pc=0xa194f7
main.(*Proc).executeProgram(0xc0000104f8, {0x6f6, {0xc000918a80, 0x612d, 0x612d}, {0x15, 0x4722, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:122 +0x156 fp=0xc000253d18 sp=0xc000253ba8 pc=0xa23936
main.(*Proc).execute(0xc0000104f8?, {0x6f6, {0xc000918a80, 0x612d, 0x612d}, {0x15, 0x4722, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc000253db0 sp=0xc000253d18 pc=0xa23718
main.(*Proc).loop(0xc0000104f8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc000253fc8 sp=0xc000253db0 pc=0xa230b8
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000253fe0 sp=0xc000253fc8 pc=0xa22e25
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000253fe8 sp=0xc000253fe0 pc=0x46efc1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 1 [runnable]:
runtime.gopark(0xc5939b7?, 0xc0000061a0?, 0x80?, 0x9f?, 0xc0008cf4b8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0008cf3e8 sp=0xc0008cf3c8 pc=0x43cece
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.semacquire1(0xc0004b78d4, 0x0?, 0x3, 0x1, 0x42?)
	/usr/local/go/src/runtime/sema.go:160 +0x218 fp=0xc0008cf450 sp=0xc0008cf3e8 pc=0x44e358
sync.runtime_SemacquireMutex(0x8adc737abf?, 0x0?, 0xc0008cf4b0?)
	/usr/local/go/src/runtime/sema.go:77 +0x25 fp=0xc0008cf488 sp=0xc0008cf450 pc=0x46b085
sync.(*Mutex).lockSlow(0xc0004b78d0)
	/usr/local/go/src/sync/mutex.go:171 +0x15d fp=0xc0008cf4d8 sp=0xc0008cf488 pc=0x489d1d
sync.(*Mutex).Lock(...)
	/usr/local/go/src/sync/mutex.go:90
net/rpc.(*Client).send(0xc0004b78c0, 0xc00097a140)
	/usr/local/go/src/net/rpc/client.go:72 +0x57 fp=0xc0008cf558 sp=0xc0008cf4d8 pc=0x9adb77
net/rpc.(*Client).Go(0xa7f81eff5324bde1?, {0xbfd93b, 0x14}, {0xa6e660?, 0xc0001ac780}, {0xa6e5e0?, 0xc00097a0f0}, 0xc00066ea20)
	/usr/local/go/src/net/rpc/client.go:315 +0x185 fp=0xc0008cf5b0 sp=0xc0008cf558 pc=0x9aef85
net/rpc.(*Client).Call(...)
	/usr/local/go/src/net/rpc/client.go:321
github.com/google/syzkaller/pkg/rpctype.(*RPCClient).Call(0xc000010018, {0xbfd93b, 0x14}, {0xa6e660, 0xc0001ac780}, {0xa6e5e0, 0xc00097a0f0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:85 +0x14a fp=0xc0008cf660 sp=0xc0008cf5b0 pc=0xa1e46a
main.(*FuzzerTool).exchangeDataCall(0xc000035970, {0xc0003fc160, 0x1, 0x1}, 0x5ef2f90)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:287 +0x21c fp=0xc0008cf780 sp=0xc0008cf660 pc=0xa2195c
main.(*FuzzerTool).exchangeDataWorker(0xc000035970)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:327 +0x76 fp=0xc0008cfab0 sp=0xc0008cf780 pc=0xa21b76
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:214 +0x1338 fp=0xc0008cff40 sp=0xc0008cfab0 pc=0xa21018
runtime.main()
	/usr/local/go/src/runtime/proc.go:267 +0x2bb fp=0xc0008cffe0 sp=0xc0008cff40 pc=0x43ca5b
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0008cffe8 sp=0xc0008cffe0 pc=0x46efc1

goroutine 2 [force gc (idle), 9 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000054fa8 sp=0xc000054f88 pc=0x43cece
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=0x43cd33
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000054fe8 sp=0xc000054fe0 pc=0x46efc1
created by runtime.init.6 in goroutine 1
	/usr/local/go/src/runtime/proc.go:310 +0x1a

goroutine 3 [GC sweep wait]:
runtime.gopark(0x139fe01?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000055778 sp=0xc000055758 pc=0x43cece
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=0x427c1f
runtime.gcenable.func1()
	/usr/local/go/src/runtime/mgc.go:200 +0x25 fp=0xc0000557e0 sp=0xc0000557c8 pc=0x41cd05
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000557e8 sp=0xc0000557e0 pc=0x46efc1
created by runtime.gcenable in goroutine 1
	/usr/local/go/src/runtime/mgc.go:200 +0x66

goroutine 4 [GC scavenge wait]:
runtime.gopark(0x7434864?, 0x119250?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000055f70 sp=0xc000055f50 pc=0x43cece
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.(*scavengerState).park(0x13a0b00)
	/usr/local/go/src/runtime/mgcscavenge.go:425 +0x49 fp=0xc000055fa0 sp=0xc000055f70 pc=0x4254a9
runtime.bgscavenge(0x0?)
	/usr/local/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0xc000055fc8 sp=0xc000055fa0 pc=0x425a59
runtime.gcenable.func2()
	/usr/local/go/src/runtime/mgc.go:201 +0x25 fp=0xc000055fe0 sp=0xc000055fc8 pc=0x41cca5
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000055fe8 sp=0xc000055fe0 pc=0x46efc1
created by runtime.gcenable in goroutine 1
	/usr/local/go/src/runtime/mgc.go:201 +0xa5

goroutine 17 [finalizer wait]:
runtime.gopark(0x0?, 0xc4c0a8?, 0x0?, 0x4?, 0x2000000020?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000054628 sp=0xc000054608 pc=0x43cece
runtime.runfinq()
	/usr/local/go/src/runtime/mfinal.go:193 +0x107 fp=0xc0000547e0 sp=0xc000054628 pc=0x41bd87
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000547e8 sp=0xc0000547e0 pc=0x46efc1
created by runtime.createfing in goroutine 1
	/usr/local/go/src/runtime/mfinal.go:163 +0x3d

goroutine 18 [select]:
runtime.gopark(0xc000050788?, 0x3?, 0x88?, 0xaa?, 0xc000050772?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000050618 sp=0xc0000505f8 pc=0x43cece
runtime.selectgo(0xc000050788, 0xc00005076c, 0xc000334480?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000050738 sp=0xc000050618 pc=0x44d325
go.opencensus.io/stats/view.(*worker).start(0xc000334480)
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0x9f fp=0xc0000507c8 sp=0xc000050738 pc=0x9b55ff
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=0xc0000507e0 sp=0xc0000507c8 pc=0x9b4925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000507e8 sp=0xc0000507e0 pc=0x46efc1
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 19 [GC worker (idle)]:
runtime.gopark(0x918ce7d991?, 0xc00003e020?, 0x1a?, 0x14?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000050f50 sp=0xc000050f30 pc=0x43cece
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1293 +0xe5 fp=0xc000050fe0 sp=0xc000050f50 pc=0x41e885
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000050fe8 sp=0xc000050fe0 pc=0x46efc1
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 5 [GC worker (idle)]:
runtime.gopark(0xc4c1e0?, 0xc000241480?, 0x1a?, 0x14?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000056750 sp=0xc000056730 pc=0x43cece
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1293 +0xe5 fp=0xc0000567e0 sp=0xc000056750 pc=0x41e885
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000567e8 sp=0xc0000567e0 pc=0x46efc1
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 21 [chan receive]:
runtime.gopark(0xc000135f20?, 0xc0000961e0?, 0x48?, 0x3?, 0xa10ae0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000576f8 sp=0xc0000576d8 pc=0x43cece
runtime.chanrecv(0xc0004b7560, 0xc0000577b8, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000057770 sp=0xc0000576f8 pc=0x4094ad
runtime.chanrecv2(0xc0004c16c0?, 0x443f7c?)
	/usr/local/go/src/runtime/chan.go:447 +0x12 fp=0xc000057798 sp=0xc000057770 pc=0x4090d2
github.com/google/syzkaller/pkg/stats.newSet.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:98 +0x66 fp=0xc0000577e0 sp=0xc000057798 pc=0xa0f7e6
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000577e8 sp=0xc0000577e0 pc=0x46efc1
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 22 [chan receive, 9 minutes]:
runtime.gopark(0xc000056ee0?, 0x7436c5?, 0x1?, 0x44?, 0xc000056f58?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000056ec8 sp=0xc000056ea8 pc=0x43cece
runtime.chanrecv(0xc0004b7500, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000056f40 sp=0xc000056ec8 pc=0x4094ad
runtime.chanrecv1(0xc0004b7500?, 0xc000056fb0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000056f68 sp=0xc000056f40 pc=0x4090b2
github.com/google/syzkaller/pkg/osutil.HandleInterrupts.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:77 +0x85 fp=0xc000056fe0 sp=0xc000056f68 pc=0x744785
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000056fe8 sp=0xc000056fe0 pc=0x46efc1
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 23 [chan receive, 9 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000057ef0 sp=0xc000057ed0 pc=0x43cece
runtime.chanrecv(0xc0000920c0, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000057f68 sp=0xc000057ef0 pc=0x4094ad
runtime.chanrecv1(0x0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000057f90 sp=0xc000057f68 pc=0x4090b2
main.main.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:102 +0x19 fp=0xc000057fe0 sp=0xc000057f90 pc=0xa210d9
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000057fe8 sp=0xc000057fe0 pc=0x46efc1
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:100 +0x419

goroutine 7 [select, 9 minutes, locked to thread]:
runtime.gopark(0xc000414fa8?, 0x2?, 0x69?, 0xd1?, 0xc000414f94?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000414e30 sp=0xc000414e10 pc=0x43cece
runtime.selectgo(0xc000414fa8, 0xc000414f90, 0x0?, 0x0, 0xd07fc0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000414f50 sp=0xc000414e30 pc=0x44d325
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1014 +0x192 fp=0xc000414fe0 sp=0xc000414f50 pc=0x465d52
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000414fe8 sp=0xc000414fe0 pc=0x46efc1
created by runtime.ensureSigM in goroutine 22
	/usr/local/go/src/runtime/signal_unix.go:997 +0xc8

goroutine 24 [IO wait, 9 minutes]:
runtime.gopark(0xc000415c10?, 0x40ffe5?, 0x18?, 0x5c?, 0x4dd4fd?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000415ba8 sp=0xc000415b88 pc=0x43cece
runtime.netpollblock(0x7f7fb1360618?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000415be0 sp=0xc000415ba8 pc=0x436277
internal/poll.runtime_pollWait(0x7f7fb1083ce8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000415c00 sp=0xc000415be0 pc=0x469785
internal/poll.(*pollDesc).wait(0xc0000de000?, 0xc000415ce8?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000415c28 sp=0xc000415c00 pc=0x4d6567
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Accept(0xc0000de000)
	/usr/local/go/src/internal/poll/fd_unix.go:611 +0x2ac fp=0xc000415cd0 sp=0xc000415c28 pc=0x4dba4c
net.(*netFD).accept(0xc0000de000)
	/usr/local/go/src/net/fd_unix.go:172 +0x29 fp=0xc000415d88 sp=0xc000415cd0 pc=0x5b69a9
net.(*TCPListener).accept(0xc0000e2000)
	/usr/local/go/src/net/tcpsock_posix.go:152 +0x1e fp=0xc000415db0 sp=0xc000415d88 pc=0x5cd2de
net.(*TCPListener).Accept(0xc0000e2000)
	/usr/local/go/src/net/tcpsock.go:315 +0x30 fp=0xc000415de0 sp=0xc000415db0 pc=0x5cc4d0
net/http.(*onceCloseListener).Accept(0xd09f10?)
	<autogenerated>:1 +0x24 fp=0xc000415df8 sp=0xc000415de0 pc=0x6ed864
net/http.(*Server).Serve(0xc0004900f0, {0xd08ff0, 0xc0000e2000})
	/usr/local/go/src/net/http/server.go:3056 +0x364 fp=0xc000415f28 sp=0xc000415df8 pc=0x6cb504
net/http.(*Server).ListenAndServe(0xc0004900f0)
	/usr/local/go/src/net/http/server.go:2985 +0x71 fp=0xc000415f58 sp=0xc000415f28 pc=0x6cb171
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=0xc000415fe0 sp=0xc000415f58 pc=0xa22c3d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000415fe8 sp=0xc000415fe0 pc=0x46efc1
created by main.setupPprofHandler in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:384 +0x37

goroutine 8 [syscall, 9 minutes]:
runtime.notetsleepg(0xd07fc0?, 0x1249860?)
	/usr/local/go/src/runtime/lock_sema.go:294 +0x29 fp=0xc0000f27a0 sp=0xc0000f2758 pc=0x40ea69
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x29 fp=0xc0000f27c0 sp=0xc0000f27a0 pc=0x46b729
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x13 fp=0xc0000f27e0 sp=0xc0000f27c0 pc=0x7439f3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000f27e8 sp=0xc0000f27e0 pc=0x46efc1
created by os/signal.Notify.func1.1 in goroutine 22
	/usr/local/go/src/os/signal/signal.go:151 +0x1f

goroutine 9 [runnable]:
runtime.gopark(0xc000411970?, 0xc000411970?, 0x7d?, 0xe3?, 0xc0004119c8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000411958 sp=0xc000411938 pc=0x43cece
runtime.netpollblock(0xc0000f6000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000411990 sp=0xc000411958 pc=0x436277
internal/poll.runtime_pollWait(0x7f7fb1083de0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0004119b0 sp=0xc000411990 pc=0x469785
internal/poll.(*pollDesc).wait(0xc0004d3400?, 0xc0000f6000?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0004119d8 sp=0xc0004119b0 pc=0x4d6567
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0004d3400, {0xc0000f6000, 0x1000, 0x1000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000411a70 sp=0xc0004119d8 pc=0x4d785a
net.(*netFD).Read(0xc0004d3400, {0xc0000f6000?, 0xc0000e2240?, 0xa7f960?})
	/usr/local/go/src/net/fd_posix.go:55 +0x25 fp=0xc000411ab8 sp=0xc000411a70 pc=0x5b4985
net.(*conn).Read(0xc000095028, {0xc0000f6000?, 0xc000411b58?, 0x4b4250?})
	/usr/local/go/src/net/net.go:179 +0x45 fp=0xc000411b00 sp=0xc000411ab8 pc=0x5c52a5
net.(*TCPConn).Read(0x407628?, {0xc0000f6000?, 0x407bad?, 0x4077dd?})
	<autogenerated>:1 +0x25 fp=0xc000411b30 sp=0xc000411b00 pc=0x5d5a05
bufio.(*Reader).fill(0xc0004b77a0)
	/usr/local/go/src/bufio/bufio.go:113 +0x103 fp=0xc000411b68 sp=0xc000411b30 pc=0x653663
bufio.(*Reader).ReadByte(0xc0004b77a0)
	/usr/local/go/src/bufio/bufio.go:272 +0x27 fp=0xc000411b88 sp=0xc000411b68 pc=0x653d87
compress/flate.(*decompressor).moreBits(0xc000015300)
	/usr/local/go/src/compress/flate/inflate.go:697 +0x27 fp=0xc000411bc0 sp=0xc000411b88 pc=0x66c4a7
compress/flate.(*decompressor).nextBlock(0xc000015300)
	/usr/local/go/src/compress/flate/inflate.go:304 +0x28 fp=0xc000411bd8 sp=0xc000411bc0 pc=0x66a948
compress/flate.(*decompressor).Read(0xc000015300, {0xc0000fe000, 0x1000, 0xc000411c78?})
	/usr/local/go/src/compress/flate/inflate.go:348 +0x5b fp=0xc000411c08 sp=0xc000411bd8 pc=0x66ab7b
github.com/google/syzkaller/pkg/rpctype.(*flateConn).Read(0xc0000e2240?, {0xc0000fe000?, 0xb39720?, 0xc000097ae0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:121 +0x22 fp=0xc000411c38 sp=0xc000411c08 pc=0xa1e7e2
bufio.(*Reader).Read(0xc0004b7800, {0xc000186010, 0x1, 0xc000411d68?})
	/usr/local/go/src/bufio/bufio.go:244 +0x197 fp=0xc000411c70 sp=0xc000411c38 pc=0x653b97
io.ReadAtLeast({0xd01380, 0xc0004b7800}, {0xc000186010, 0x1, 0x9}, 0x1)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000411cb8 sp=0xc000411c70 pc=0x4b4250
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
encoding/gob.decodeUintReader({0xd01380, 0xc0004b7800}, {0xc000186010, 0x9, 0x9})
	/usr/local/go/src/encoding/gob/decode.go:116 +0x51 fp=0xc000411d10 sp=0xc000411cb8 pc=0x990611
encoding/gob.(*Decoder).recvMessage(0xc0000de080)
	/usr/local/go/src/encoding/gob/decoder.go:82 +0x33 fp=0xc000411d48 sp=0xc000411d10 pc=0x999bf3
encoding/gob.(*Decoder).decodeTypeSequence(0xc0000de080, 0x0)
	/usr/local/go/src/encoding/gob/decoder.go:148 +0x47 fp=0xc000411d78 sp=0xc000411d48 pc=0x999f67
encoding/gob.(*Decoder).DecodeValue(0xc0000de080, {0xa71ce0?, 0xc0004ce480?, 0x7f7fb1347650?})
	/usr/local/go/src/encoding/gob/decoder.go:227 +0x16e fp=0xc000411df8 sp=0xc000411d78 pc=0x99a3ae
encoding/gob.(*Decoder).Decode(0xc0000de080, {0xa71ce0?, 0xc0004ce480?})
	/usr/local/go/src/encoding/gob/decoder.go:204 +0x125 fp=0xc000411e50 sp=0xc000411df8 pc=0x99a1e5
net/rpc.(*gobClientCodec).ReadResponseHeader(0xad44a0?, 0xa6e5e0?)
	/usr/local/go/src/net/rpc/client.go:228 +0x25 fp=0xc000411e78 sp=0xc000411e50 pc=0x9aed25
net/rpc.(*Client).input(0xc0004b78c0)
	/usr/local/go/src/net/rpc/client.go:109 +0x9f fp=0xc000411fc8 sp=0xc000411e78 pc=0x9adf7f
net/rpc.NewClientWithCodec.func1()
	/usr/local/go/src/net/rpc/client.go:206 +0x25 fp=0xc000411fe0 sp=0xc000411fc8 pc=0x9aec05
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000411fe8 sp=0xc000411fe0 pc=0x46efc1
created by net/rpc.NewClientWithCodec in goroutine 1
	/usr/local/go/src/net/rpc/client.go:206 +0xb6

goroutine 16 [select]:
runtime.gopark(0xc00024f8d0?, 0x2?, 0x80?, 0x59?, 0xc00024f874?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00024f718 sp=0xc00024f6f8 pc=0x43cece
runtime.selectgo(0xc00024f8d0, 0xc00024f870, 0x20?, 0x0, 0x41c880?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc00024f838 sp=0xc00024f718 pc=0x44d325
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc0004d2500)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:775 +0x1d3 fp=0xc00024f900 sp=0xc00024f838 pc=0xa1cb53
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc0000de280, 0xc00024fd38, {0xbe4fce?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:723 +0xc52 fp=0xc00024fb78 sp=0xc00024f900 pc=0xa1c232
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc0000de280, 0xc00024fd38)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:370 +0xce fp=0xc00024fba8 sp=0xc00024fb78 pc=0xa1992e
main.(*Proc).executeProgram(0xc000010510, {0x6e9, {0xc000a6a1c0, 0xdb, 0xdb}, {0x15, 0x4722, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:117 +0x52 fp=0xc00024fd18 sp=0xc00024fba8 pc=0xa23832
main.(*Proc).execute(0xc000010510?, {0x6e9, {0xc000a6a1c0, 0xdb, 0xdb}, {0x15, 0x4722, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc00024fdb0 sp=0xc00024fd18 pc=0xa23718
main.(*Proc).loop(0xc000010510)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc00024ffc8 sp=0xc00024fdb0 pc=0xa230b8
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc00024ffe0 sp=0xc00024ffc8 pc=0xa22e25
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00024ffe8 sp=0xc00024ffe0 pc=0x46efc1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 33 [runnable]:
runtime.gopark(0xc0001ed7c8?, 0xc0001ed7c8?, 0x7d?, 0xe3?, 0xc0001ed820?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0001ed7b0 sp=0xc0001ed790 pc=0x43cece
runtime.netpollblock(0xc000af0240?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0001ed7e8 sp=0xc0001ed7b0 pc=0x436277
internal/poll.runtime_pollWait(0x7f7fb1083bf0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0001ed808 sp=0xc0001ed7e8 pc=0x469785
internal/poll.(*pollDesc).wait(0xc0004e4300?, 0xc000af0240?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0001ed830 sp=0xc0001ed808 pc=0x4d6567
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0004e4300, {0xc000af0240, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0001ed8c8 sp=0xc0001ed830 pc=0x4d785a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000094140, {0xc000af0240?, 0xc0001ed940?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0001ed908 sp=0xc0001ed8c8 pc=0x4e1632
io.ReadAtLeast({0xd01140, 0xc000094140}, {0xc000af0240, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0001ed950 sp=0xc0001ed908 pc=0x4b4250
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0004d2380, 0xc0001edd38?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:847 +0x568 fp=0xc0001edb08 sp=0xc0001ed950 pc=0xa1d488
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0000de300, 0xc0012c?, {0xc00001e000, 0x24e, 0x24e})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:318 +0x168 fp=0xc0001edba8 sp=0xc0001edb08 pc=0xa195c8
main.(*Proc).executeProgram(0xc000010528, {0x6ef, {0xc00001e000, 0x24e, 0x24e}, {0x15, 0x4722, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:122 +0x156 fp=0xc0001edd18 sp=0xc0001edba8 pc=0xa23936
main.(*Proc).execute(0xc000010528?, {0x6ef, {0xc00001e000, 0x24e, 0x24e}, {0x15, 0x4722, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc0001eddb0 sp=0xc0001edd18 pc=0xa23718
main.(*Proc).loop(0xc000010528)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc0001edfc8 sp=0xc0001eddb0 pc=0xa230b8
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0001edfe0 sp=0xc0001edfc8 pc=0xa22e25
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001edfe8 sp=0xc0001edfe0 pc=0x46efc1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 34 [select]:
runtime.gopark(0xc0008d18d0?, 0x2?, 0x60?, 0xe9?, 0xc0008d1874?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0008d1718 sp=0xc0008d16f8 pc=0x43cece
runtime.selectgo(0xc0008d18d0, 0xc0008d1870, 0x20?, 0x0, 0x41c880?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0008d1838 sp=0xc0008d1718 pc=0x44d325
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc0004d2080)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:775 +0x1d3 fp=0xc0008d1900 sp=0xc0008d1838 pc=0xa1cb53
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc0000de380, 0xc0008d1d38, {0xbe4fce?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:723 +0xc52 fp=0xc0008d1b78 sp=0xc0008d1900 pc=0xa1c232
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc0000de380, 0xc0008d1d38)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:370 +0xce fp=0xc0008d1ba8 sp=0xc0008d1b78 pc=0xa1992e
main.(*Proc).executeProgram(0xc000010540, {0x6f5, {0xc00067c480, 0x401, 0x401}, {0x14, 0x4722, 0x0}, 0x0, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:117 +0x52 fp=0xc0008d1d18 sp=0xc0008d1ba8 pc=0xa23832
main.(*Proc).execute(0xc000010540?, {0x6f5, {0xc00067c480, 0x401, 0x401}, {0x14, 0x4722, 0x0}, 0x0, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc0008d1db0 sp=0xc0008d1d18 pc=0xa23718
main.(*Proc).loop(0xc000010540)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc0008d1fc8 sp=0xc0008d1db0 pc=0xa230b8
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0008d1fe0 sp=0xc0008d1fc8 pc=0xa22e25
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0008d1fe8 sp=0xc0008d1fe0 pc=0x46efc1
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(0xc0002557c8?, 0xc0002557c8?, 0x7d?, 0xe3?, 0xc000255820?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0002557b0 sp=0xc000255790 pc=0x43cece
runtime.netpollblock(0xc000af02c0?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0002557e8 sp=0xc0002557b0 pc=0x436277
internal/poll.runtime_pollWait(0x7f7fb1060c20, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000255808 sp=0xc0002557e8 pc=0x469785
internal/poll.(*pollDesc).wait(0xc0004e4c00?, 0xc000af02c0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000255830 sp=0xc000255808 pc=0x4d6567
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0004e4c00, {0xc000af02c0, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0002558c8 sp=0xc000255830 pc=0x4d785a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000941f0, {0xc000af02c0?, 0xc000255940?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000255908 sp=0xc0002558c8 pc=0x4e1632
io.ReadAtLeast({0xd01140, 0xc0000941f0}, {0xc000af02c0, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000255950 sp=0xc000255908 pc=0x4b4250
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0004d2480, 0xc000255d38?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:847 +0x568 fp=0xc000255b08 sp=0xc000255950 pc=0xa1d488
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0000de400, 0xc0012c?, {0xc00044a840, 0x2bf, 0x2bf})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:318 +0x168 fp=0xc000255ba8 sp=0xc000255b08 pc=0xa195c8
main.(*Proc).executeProgram(0xc000010558, {0x6f3, {0xc00044a840, 0x2bf, 0x2bf}, {0x15, 0x4722, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:122 +0x156 fp=0xc000255d18 sp=0xc000255ba8 pc=0xa23936
main.(*Proc).execute(0xc000010558?, {0x6f3, {0xc00044a840, 0x2bf, 0x2bf}, {0x15, 0x4722, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc000255db0 sp=0xc000255d18 pc=0xa23718
main.(*Proc).loop(0xc000010558)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc000255fc8 sp=0xc000255db0 pc=0xa230b8
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000255fe0 sp=0xc000255fc8 pc=0xa22e25
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000255fe8 sp=0xc000255fe0 pc=0x46efc1
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(0xc0001eb7c8?, 0xc0001eb7c8?, 0x7d?, 0xe3?, 0xc0001eb820?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0001eb7b0 sp=0xc0001eb790 pc=0x43cece
runtime.netpollblock(0xc000a2c3c0?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0001eb7e8 sp=0xc0001eb7b0 pc=0x436277
internal/poll.runtime_pollWait(0x7f7fb1083908, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0001eb808 sp=0xc0001eb7e8 pc=0x469785
internal/poll.(*pollDesc).wait(0xc0001348a0?, 0xc000a2c3c0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0001eb830 sp=0xc0001eb808 pc=0x4d6567
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0001348a0, {0xc000a2c3c0, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0001eb8c8 sp=0xc0001eb830 pc=0x4d785a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000ac5b0, {0xc000a2c3c0?, 0xc0001eb940?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0001eb908 sp=0xc0001eb8c8 pc=0x4e1632
io.ReadAtLeast({0xd01140, 0xc0000ac5b0}, {0xc000a2c3c0, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0001eb950 sp=0xc0001eb908 pc=0x4b4250
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0000de680, 0xc0001ebd38?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:847 +0x568 fp=0xc0001ebb08 sp=0xc0001eb950 pc=0xa1d488
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0000de580, 0xc0012c?, {0xc00026e370, 0x4c, 0x4c})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:318 +0x168 fp=0xc0001ebba8 sp=0xc0001ebb08 pc=0xa195c8
main.(*Proc).executeProgram(0xc000010570, {0x6f0, {0xc00026e370, 0x4c, 0x4c}, {0x15, 0x4722, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:122 +0x156 fp=0xc0001ebd18 sp=0xc0001ebba8 pc=0xa23936
main.(*Proc).execute(0xc000010570?, {0x6f0, {0xc00026e370, 0x4c, 0x4c}, {0x15, 0x4722, 0x0}, 0x1, 0x0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x98 fp=0xc0001ebdb0 sp=0xc0001ebd18 pc=0xa23718
main.(*Proc).loop(0xc000010570)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:50 +0x258 fp=0xc0001ebfc8 sp=0xc0001ebdb0 pc=0xa230b8
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0001ebfe0 sp=0xc0001ebfc8 pc=0xa22e25
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001ebfe8 sp=0xc0001ebfe0 pc=0x46efc1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 37 [select]:
runtime.gopark(0xc0001efe50?, 0x2?, 0x0?, 0x0?, 0xc0001efe24?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0001efb78 sp=0xc0001efb58 pc=0x43cece
runtime.selectgo(0xc0001efe50, 0xc0001efe20, 0x1?, 0x0, 0x1ecaf75?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0001efc98 sp=0xc0001efb78 pc=0x44d325
main.(*FuzzerTool).exchangeDataWorker(0xc000035970)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:307 +0x113 fp=0xc0001effc8 sp=0xc0001efc98 pc=0xa21c13
main.main.func2()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:213 +0x25 fp=0xc0001effe0 sp=0xc0001effc8 pc=0xa21085
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001effe8 sp=0xc0001effe0 pc=0x46efc1
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:213 +0x132b

goroutine 3123 [select]:
runtime.gopark(0xc0000f1fb0?, 0x2?, 0x80?, 0x87?, 0xc0000f1f8c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000f1e38 sp=0xc0000f1e18 pc=0x43cece
runtime.selectgo(0xc0000f1fb0, 0xc0000f1f88, 0xc000a2c290?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0000f1f58 sp=0xc0000f1e38 pc=0x44d325
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:832 +0x77 fp=0xc0000f1fe0 sp=0xc0000f1f58 pc=0xa1db97
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000f1fe8 sp=0xc0000f1fe0 pc=0x46efc1
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 3097 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x27f3, 0xc00005266c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000052618 sp=0xc000052608 pc=0x4be3a9
os.wait6(0x41675c?, 0xc0000526c8?, 0x46b005?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000052688 sp=0xc000052618 pc=0x4e6c6c
os.(*Process).blockUntilWaitable(0xc0000a2f30)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0000526b8 sp=0xc000052688 pc=0x4e6cf0
os.(*Process).wait(0xc0000a2f30)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000052718 sp=0xc0000526b8 pc=0x4e0ea5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0001ceb00)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000052780 sp=0xc000052718 pc=0x740505
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004d2500)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:710 +0x28 fp=0xc0000527c8 sp=0xc000052780 pc=0xa1c448
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:715 +0x27 fp=0xc0000527e0 sp=0xc0000527c8 pc=0xa1c3e7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x46efc1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 16
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:709 +0xc0d

goroutine 3124 [IO wait]:
runtime.gopark(0xc0004a2e18?, 0xc0004a2e18?, 0x7d?, 0xe3?, 0xc0004a2e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0004a2e00 sp=0xc0004a2de0 pc=0x43cece
runtime.netpollblock(0xc000528000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0004a2e38 sp=0xc0004a2e00 pc=0x436277
internal/poll.runtime_pollWait(0x7f7fb1060b28, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0004a2e58 sp=0xc0004a2e38 pc=0x469785
internal/poll.(*pollDesc).wait(0xc00066e240?, 0xc000528000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0004a2e80 sp=0xc0004a2e58 pc=0x4d6567
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00066e240, {0xc000528000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0004a2f18 sp=0xc0004a2e80 pc=0x4d785a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000094048, {0xc000528000?, 0xc000a2c310?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0004a2f58 sp=0xc0004a2f18 pc=0x4e1632
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0004d2080)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:687 +0x89 fp=0xc0004a2fc8 sp=0xc0004a2f58 pc=0xa1c5a9
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x27 fp=0xc0004a2fe0 sp=0xc0004a2fc8 pc=0xa1c4e7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004a2fe8 sp=0xc0004a2fe0 pc=0x46efc1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 34
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:681 +0xa05

goroutine 3103 [runnable]:
syscall.Syscall6(0x1e1, 0x1, 0x2a91, 0xc0000f0e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc0000f0e18 sp=0xc0000f0e08 pc=0x4be3a9
os.wait6(0xc00005ac00?, 0x43cece?, 0x0?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc0000f0e88 sp=0xc0000f0e18 pc=0x4e6c6c
os.(*Process).blockUntilWaitable(0xc0000a3410)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0000f0eb8 sp=0xc0000f0e88 pc=0x4e6cf0
os.(*Process).wait(0xc0000a3410)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc0000f0f18 sp=0xc0000f0eb8 pc=0x4e0ea5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0001cedc0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0000f0f80 sp=0xc0000f0f18 pc=0x740505
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004d2600)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:710 +0x28 fp=0xc0000f0fc8 sp=0xc0000f0f80 pc=0xa1c448
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:715 +0x27 fp=0xc0000f0fe0 sp=0xc0000f0fc8 pc=0xa1c3e7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000f0fe8 sp=0xc0000f0fe0 pc=0x46efc1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 15
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:709 +0xc0d

goroutine 3072 [select]:
runtime.gopark(0xc0006c8fb0?, 0x2?, 0xe0?, 0xea?, 0xc0006c8f8c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006c8e38 sp=0xc0006c8e18 pc=0x43cece
runtime.selectgo(0xc0006c8fb0, 0xc0006c8f88, 0x4c97cf?, 0x0, 0xa1c49a?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0006c8f58 sp=0xc0006c8e38 pc=0x44d325
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:832 +0x77 fp=0xc0006c8fe0 sp=0xc0006c8f58 pc=0xa1db97
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006c8fe8 sp=0xc0006c8fe0 pc=0x46efc1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 33
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:830 +0x26b

goroutine 3126 [runnable]:
runtime.gopark(0xc0006c6dd0?, 0xc0006c6dd0?, 0x7d?, 0xe3?, 0xc0006c6e28?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006c6db8 sp=0xc0006c6d98 pc=0x43cece
runtime.netpollblock(0xc000af0000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0006c6df0 sp=0xc0006c6db8 pc=0x436277
internal/poll.runtime_pollWait(0x7f7fb1060368, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006c6e10 sp=0xc0006c6df0 pc=0x469785
internal/poll.(*pollDesc).wait(0xc00066e300?, 0xc000af0000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006c6e38 sp=0xc0006c6e10 pc=0x4d6567
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00066e300, {0xc000af0000, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0006c6ed0 sp=0xc0006c6e38 pc=0x4d785a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000094058, {0xc000af0000?, 0xc0006c6f48?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0006c6f10 sp=0xc0006c6ed0 pc=0x4e1632
io.ReadAtLeast({0xd01140, 0xc000094058}, {0xc000af0000, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0006c6f58 sp=0xc0006c6f10 pc=0x4b4250
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).handshake.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:763 +0x5e fp=0xc0006c6fe0 sp=0xc0006c6f58 pc=0xa1cc7e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006c6fe8 sp=0xc0006c6fe0 pc=0x46efc1
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 34
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:760 +0x14d

goroutine 3094 [runnable]:
syscall.Syscall6(0x1e1, 0x1, 0x3b21, 0xc00062c66c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc00062c618 sp=0xc00062c608 pc=0x4be3a9
os.wait6(0x41675c?, 0xc00062c6c8?, 0x46b005?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc00062c688 sp=0xc00062c618 pc=0x4e6c6c
os.(*Process).blockUntilWaitable(0xc0000a2cc0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc00062c6b8 sp=0xc00062c688 pc=0x4e6cf0
os.(*Process).wait(0xc0000a2cc0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc00062c718 sp=0xc00062c6b8 pc=0x4e0ea5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0001ce9a0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc00062c780 sp=0xc00062c718 pc=0x740505
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004d2480)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:710 +0x28 fp=0xc00062c7c8 sp=0xc00062c780 pc=0xa1c448
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:715 +0x27 fp=0xc00062c7e0 sp=0xc00062c7c8 pc=0xa1c3e7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00062c7e8 sp=0xc00062c7e0 pc=0x46efc1
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 3107 [select]:
runtime.gopark(0xc000806fb0?, 0x2?, 0xa0?, 0xeb?, 0xc000806f8c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000806e38 sp=0xc000806e18 pc=0x43cece
runtime.selectgo(0xc000806fb0, 0xc000806f88, 0x4c97cf?, 0x0, 0xa1c49a?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000806f58 sp=0xc000806e38 pc=0x44d325
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:832 +0x77 fp=0xc000806fe0 sp=0xc000806f58 pc=0xa1db97
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000806fe8 sp=0xc000806fe0 pc=0x46efc1
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

goroutine 3062 [runnable]:
syscall.Syscall6(0x1e1, 0x1, 0x2d88, 0xc00080366c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000803618 sp=0xc000803608 pc=0x4be3a9
os.wait6(0xc0001f2800?, 0x43cece?, 0x0?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000803688 sp=0xc000803618 pc=0x4e6c6c
os.(*Process).blockUntilWaitable(0xc0001f02a0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0008036b8 sp=0xc000803688 pc=0x4e6cf0
os.(*Process).wait(0xc0001f02a0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000803718 sp=0xc0008036b8 pc=0x4e0ea5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000a7e000)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000803780 sp=0xc000803718 pc=0x740505
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0000de680)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:710 +0x28 fp=0xc0008037c8 sp=0xc000803780 pc=0xa1c448
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:715 +0x27 fp=0xc0008037e0 sp=0xc0008037c8 pc=0xa1c3e7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0008037e8 sp=0xc0008037e0 pc=0x46efc1
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 3125 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x2df0, 0xc000803e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000803e18 sp=0xc000803e08 pc=0x4be3a9
os.wait6(0x13a08e0?, 0x8000000000000000?, 0x8ac40faa08?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000803e88 sp=0xc000803e18 pc=0x4e6c6c
os.(*Process).blockUntilWaitable(0xc0000a2600)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000803eb8 sp=0xc000803e88 pc=0x4e6cf0
os.(*Process).wait(0xc0000a2600)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000803f18 sp=0xc000803eb8 pc=0x4e0ea5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0001ce000)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000803f80 sp=0xc000803f18 pc=0x740505
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004d2080)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:710 +0x28 fp=0xc000803fc8 sp=0xc000803f80 pc=0xa1c448
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:715 +0x27 fp=0xc000803fe0 sp=0xc000803fc8 pc=0xa1c3e7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000803fe8 sp=0xc000803fe0 pc=0x46efc1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 34
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:709 +0xc0d

goroutine 3096 [IO wait]:
runtime.gopark(0xc000804618?, 0xc000804618?, 0x7d?, 0xe3?, 0xc000804670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000804600 sp=0xc0008045e0 pc=0x43cece
runtime.netpollblock(0xc00086c000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000804638 sp=0xc000804600 pc=0x436277
internal/poll.runtime_pollWait(0x7f7fb1060558, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000804658 sp=0xc000804638 pc=0x469785
internal/poll.(*pollDesc).wait(0xc0004e5140?, 0xc00086c000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000804680 sp=0xc000804658 pc=0x4d6567
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0004e5140, {0xc00086c000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000804718 sp=0xc000804680 pc=0x4d785a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000094250, {0xc00086c000?, 0xc000a2c0c8?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000804758 sp=0xc000804718 pc=0x4e1632
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0004d2500)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:687 +0x89 fp=0xc0008047c8 sp=0xc000804758 pc=0xa1c5a9
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x27 fp=0xc0008047e0 sp=0xc0008047c8 pc=0xa1c4e7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0008047e8 sp=0xc0008047e0 pc=0x46efc1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 16
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:681 +0xa05

goroutine 3090 [runnable]:
syscall.Syscall6(0x1e1, 0x1, 0x2c93, 0xc000804e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000804e18 sp=0xc000804e08 pc=0x4be3a9
os.wait6(0x41675c?, 0xc000804ec8?, 0x46b005?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000804e88 sp=0xc000804e18 pc=0x4e6c6c
os.(*Process).blockUntilWaitable(0xc0000a2a20)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000804eb8 sp=0xc000804e88 pc=0x4e6cf0
os.(*Process).wait(0xc0000a2a20)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000804f18 sp=0xc000804eb8 pc=0x4e0ea5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0001ce6e0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000804f80 sp=0xc000804f18 pc=0x740505
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004d2380)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:710 +0x28 fp=0xc000804fc8 sp=0xc000804f80 pc=0xa1c448
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:715 +0x27 fp=0xc000804fe0 sp=0xc000804fc8 pc=0xa1c3e7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000804fe8 sp=0xc000804fe0 pc=0x46efc1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 33
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:709 +0xc0d

goroutine 3102 [runnable]:
runtime.gopark(0xc00062ae18?, 0xc00062ae18?, 0x7d?, 0xe3?, 0xc00062ae70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00062ae00 sp=0xc00062ade0 pc=0x43cece
runtime.netpollblock(0xc000946000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00062ae38 sp=0xc00062ae00 pc=0x436277
internal/poll.runtime_pollWait(0x7f7fb1083430, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00062ae58 sp=0xc00062ae38 pc=0x469785
internal/poll.(*pollDesc).wait(0xc00066e3c0?, 0xc000946000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00062ae80 sp=0xc00062ae58 pc=0x4d6567
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00066e3c0, {0xc000946000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00062af18 sp=0xc00062ae80 pc=0x4d785a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000094490, {0xc000946000?, 0x4c97cf?, 0xc00062afb8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc00062af58 sp=0xc00062af18 pc=0x4e1632
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0004d2600)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:687 +0x89 fp=0xc00062afc8 sp=0xc00062af58 pc=0xa1c5a9
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x27 fp=0xc00062afe0 sp=0xc00062afc8 pc=0xa1c4e7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00062afe8 sp=0xc00062afe0 pc=0x46efc1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 15
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:681 +0xa05

goroutine 3098 [runnable]:
runtime.gopark(0xc000800dd0?, 0xc000800dd0?, 0x7d?, 0xe3?, 0xc000800e28?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000800db8 sp=0xc000800d98 pc=0x43cece
runtime.netpollblock(0xc000a2c2c8?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000800df0 sp=0xc000800db8 pc=0x436277
internal/poll.runtime_pollWait(0x7f7fb10924f0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000800e10 sp=0xc000800df0 pc=0x469785
internal/poll.(*pollDesc).wait(0xc0004e52c0?, 0xc000a2c2c8?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000800e38 sp=0xc000800e10 pc=0x4d6567
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0004e52c0, {0xc000a2c2c8, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000800ed0 sp=0xc000800e38 pc=0x4d785a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000094270, {0xc000a2c2c8?, 0xc000800f48?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000800f10 sp=0xc000800ed0 pc=0x4e1632
io.ReadAtLeast({0xd01140, 0xc000094270}, {0xc000a2c2c8, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000800f58 sp=0xc000800f10 pc=0x4b4250
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).handshake.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:763 +0x5e fp=0xc000800fe0 sp=0xc000800f58 pc=0xa1cc7e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000800fe8 sp=0xc000800fe0 pc=0x46efc1
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 16
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:760 +0x14d