fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0x7f7faa82e000 pc=0x4709fc]

goroutine 43 [running]:
runtime.throw({0xbdc158?, 0x0?})
	/usr/local/go/src/runtime/panic.go:1077 +0x5c fp=0xc0003adb58 sp=0xc0003adb28 pc=0x43a81c
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:875 +0x285 fp=0xc0003adbb8 sp=0xc0003adb58 pc=0x451585
runtime.memmove()
	/usr/local/go/src/runtime/memmove_amd64.s:375 +0x43c fp=0xc0003adbc0 sp=0xc0003adbb8 pc=0x4709fc
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0002f1580, 0x1a1?, {0xc000866000, 0x67bd, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:247 +0x85 fp=0xc0003adc50 sp=0xc0003adbc0 pc=0xa11785
main.(*Proc).executeProgram(0xc000010ba0, 0xc0000fb9d0, 0xc0003addf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0003addb8 sp=0xc0003adc50 pc=0xa1b365
main.(*Proc).execute(0xc000010ba0?, 0xc0000fb9d0, 0xc0003a4020?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0003ade00 sp=0xc0003addb8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010ba0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0003adfc8 sp=0xc0003ade00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0003adfe0 sp=0xc0003adfc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003adfe8 sp=0xc0003adfe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 1 [IO wait]:
runtime.gopark(0xc000845740?, 0xc000845740?, 0x7d?, 0xeb?, 0xc000845798?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000845728 sp=0xc000845708 pc=0x43d66e
runtime.netpollblock(0xc0004d6000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000845760 sp=0xc000845728 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10e1c68, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000845780 sp=0xc000845760 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0002f1280?, 0xc0004d6000?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0008457a8 sp=0xc000845780 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0002f1280, {0xc0004d6000, 0x61af4, 0x62000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000845840 sp=0xc0008457a8 pc=0x4d9cfa
net.(*netFD).Read(0xc0002f1280, {0xc0004d6000?, 0x5d000?, 0x101c0003a8060?})
	/usr/local/go/src/net/fd_posix.go:55 +0x25 fp=0xc000845888 sp=0xc000845840 pc=0x5b8d85
net.(*conn).Read(0xc000096560, {0xc0004d6000?, 0x1432128?, 0x424fa5?})
	/usr/local/go/src/net/net.go:179 +0x45 fp=0xc0008458d0 sp=0xc000845888 pc=0x5c96a5
net.(*TCPConn).Read(0xc000845940?, {0xc0004d6000?, 0xc000845938?, 0x40dd4c?})
	<autogenerated>:1 +0x25 fp=0xc000845900 sp=0xc0008458d0 pc=0x5d9e05
io.ReadAtLeast({0x7f7fb10e1e98, 0xc000096560}, {0xc0004d6000, 0x61af4, 0x62000}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000845948 sp=0xc000845900 pc=0x4b4a50
github.com/google/syzkaller/pkg/flatrpc.(*Conn).recv(0xc00007cb40, 0xc0004d6004?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:178 +0x1a5 fp=0xc0008459e0 sp=0xc000845948 pc=0x8d4b65
github.com/google/syzkaller/pkg/flatrpc.Recv[...](0xc00007cb40)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:152 +0xb3 fp=0xc000845a40 sp=0xc0008459e0 pc=0xa1c6f3
main.(*FuzzerTool).handleConn(0xc00074cfa0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:222 +0x36 fp=0xc000845ae8 sp=0xc000845a40 pc=0xa19536
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:162 +0xec5 fp=0xc000845f40 sp=0xc000845ae8 pc=0xa19065
runtime.main()
	/usr/local/go/src/runtime/proc.go:267 +0x2bb fp=0xc000845fe0 sp=0xc000845f40 pc=0x43d1fb
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000845fe8 sp=0xc000845fe0 pc=0x46f7c1

goroutine 2 [force gc (idle), 3 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000056fa8 sp=0xc000056f88 pc=0x43d66e
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.forcegchelper()
	/usr/local/go/src/runtime/proc.go:322 +0xb3 fp=0xc000056fe0 sp=0xc000056fa8 pc=0x43d4d3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000056fe8 sp=0xc000056fe0 pc=0x46f7c1
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=0xc000057778 sp=0xc000057758 pc=0x43d66e
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.bgsweep(0x0?)
	/usr/local/go/src/runtime/mgcsweep.go:321 +0xdf fp=0xc0000577c8 sp=0xc000057778 pc=0x4283bf
runtime.gcenable.func1()
	/usr/local/go/src/runtime/mgc.go:200 +0x25 fp=0xc0000577e0 sp=0xc0000577c8 pc=0x41d4a5
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000577e8 sp=0xc0000577e0 pc=0x46f7c1
created by runtime.gcenable in goroutine 1
	/usr/local/go/src/runtime/mgc.go:200 +0x66

goroutine 4 [runnable]:
runtime.gopark(0x1190144?, 0xf01f5?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000057f70 sp=0xc000057f50 pc=0x43d66e
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.(*scavengerState).park(0x1406da0)
	/usr/local/go/src/runtime/mgcscavenge.go:425 +0x49 fp=0xc000057fa0 sp=0xc000057f70 pc=0x425c49
runtime.bgscavenge(0x0?)
	/usr/local/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0xc000057fc8 sp=0xc000057fa0 pc=0x4261f9
runtime.gcenable.func2()
	/usr/local/go/src/runtime/mgc.go:201 +0x25 fp=0xc000057fe0 sp=0xc000057fc8 pc=0x41d445
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000057fe8 sp=0xc000057fe0 pc=0x46f7c1
created by runtime.gcenable in goroutine 1
	/usr/local/go/src/runtime/mgc.go:201 +0xa5

goroutine 5 [finalizer wait]:
runtime.gopark(0x0?, 0xcaad20?, 0x0?, 0x40?, 0x2000000020?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000056628 sp=0xc000056608 pc=0x43d66e
runtime.runfinq()
	/usr/local/go/src/runtime/mfinal.go:193 +0x107 fp=0xc0000567e0 sp=0xc000056628 pc=0x41c527
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000567e8 sp=0xc0000567e0 pc=0x46f7c1
created by runtime.createfing in goroutine 1
	/usr/local/go/src/runtime/mfinal.go:163 +0x3d

goroutine 6 [GC worker (idle)]:
runtime.gopark(0x387c37bbc4?, 0xc000442000?, 0x1a?, 0x14?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000058750 sp=0xc000058730 pc=0x43d66e
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1293 +0xe5 fp=0xc0000587e0 sp=0xc000058750 pc=0x41f025
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000587e8 sp=0xc0000587e0 pc=0x46f7c1
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 7 [GC worker (idle)]:
runtime.gopark(0x387c2086a9?, 0x2?, 0xe5?, 0xeb?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000058f50 sp=0xc000058f30 pc=0x43d66e
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1293 +0xe5 fp=0xc000058fe0 sp=0xc000058f50 pc=0x41f025
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000058fe8 sp=0xc000058fe0 pc=0x46f7c1
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 17 [select]:
runtime.gopark(0xc000760f88?, 0x3?, 0x3?, 0x0?, 0xc000760f72?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000760e18 sp=0xc000760df8 pc=0x43d66e
runtime.selectgo(0xc000760f88, 0xc000760f6c, 0xc0004d2280?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000760f38 sp=0xc000760e18 pc=0x44dac5
go.opencensus.io/stats/view.(*worker).start(0xc0004d2280)
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0x9f fp=0xc000760fc8 sp=0xc000760f38 pc=0x9f189f
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=0xc000760fe0 sp=0xc000760fc8 pc=0x9f0bc5
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000760fe8 sp=0xc000760fe0 pc=0x46f7c1
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 9 [chan receive, 3 minutes]:
runtime.gopark(0xc0000536e0?, 0x7990c5?, 0x1?, 0xb6?, 0xc000053758?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000536c8 sp=0xc0000536a8 pc=0x43d66e
runtime.chanrecv(0xc0002eca80, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000053740 sp=0xc0000536c8 pc=0x4094ad
runtime.chanrecv1(0xc0002eca80?, 0xc0000537b0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000053768 sp=0xc000053740 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=0xc0000537e0 sp=0xc000053768 pc=0x79a025
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 pc=0x46f7c1
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 19 [chan receive]:
runtime.gopark(0xc00007a8a0?, 0xc00007c960?, 0xd0?, 0x8?, 0x8d43e0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000053ef8 sp=0xc000053ed8 pc=0x43d66e
runtime.chanrecv(0xc000230ae0, 0xc000053fb8, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000053f70 sp=0xc000053ef8 pc=0x4094ad
runtime.chanrecv2(0xc0002b7440?, 0x0?)
	/usr/local/go/src/runtime/chan.go:447 +0x12 fp=0xc000053f98 sp=0xc000053f70 pc=0x4090d2
github.com/google/syzkaller/pkg/stats.newSet.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:98 +0x66 fp=0xc000053fe0 sp=0xc000053f98 pc=0x8d2f46
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000053fe8 sp=0xc000053fe0 pc=0x46f7c1
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 10 [chan receive, 3 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000526f0 sp=0xc0000526d0 pc=0x43d66e
runtime.chanrecv(0xc00007e180, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000052768 sp=0xc0000526f0 pc=0x4094ad
runtime.chanrecv1(0x0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000052790 sp=0xc000052768 pc=0x4090b2
main.main.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:76 +0x19 fp=0xc0000527e0 sp=0xc000052790 pc=0xa190b9
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x46f7c1
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:74 +0x33b

goroutine 20 [select, 3 minutes, locked to thread]:
runtime.gopark(0xc00075ffa8?, 0x2?, 0x9?, 0xd9?, 0xc00075ff94?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00075fe30 sp=0xc00075fe10 pc=0x43d66e
runtime.selectgo(0xc00075ffa8, 0xc00075ff90, 0x0?, 0x0, 0x20202020090a7b20?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc00075ff50 sp=0xc00075fe30 pc=0x44dac5
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1014 +0x192 fp=0xc00075ffe0 sp=0xc00075ff50 pc=0x4664f2
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00075ffe8 sp=0xc00075ffe0 pc=0x46f7c1
created by runtime.ensureSigM in goroutine 9
	/usr/local/go/src/runtime/signal_unix.go:997 +0xc8

goroutine 11 [IO wait, 3 minutes]:
runtime.gopark(0xc000761c10?, 0x41013d?, 0x18?, 0x1c?, 0x4df99d?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000761ba8 sp=0xc000761b88 pc=0x43d66e
runtime.netpollblock(0x7f7ff7ec9e10?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000761be0 sp=0xc000761ba8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10e1888, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000761c00 sp=0xc000761be0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0000c2000?, 0xc000761ce8?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000761c28 sp=0xc000761c00 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Accept(0xc0000c2000)
	/usr/local/go/src/internal/poll/fd_unix.go:611 +0x2ac fp=0xc000761cd0 sp=0xc000761c28 pc=0x4ddeec
net.(*netFD).accept(0xc0000c2000)
	/usr/local/go/src/net/fd_unix.go:172 +0x29 fp=0xc000761d88 sp=0xc000761cd0 pc=0x5bada9
net.(*TCPListener).accept(0xc0003a8000)
	/usr/local/go/src/net/tcpsock_posix.go:152 +0x1e fp=0xc000761db0 sp=0xc000761d88 pc=0x5d16de
net.(*TCPListener).Accept(0xc0003a8000)
	/usr/local/go/src/net/tcpsock.go:315 +0x30 fp=0xc000761de0 sp=0xc000761db0 pc=0x5d08d0
net/http.(*onceCloseListener).Accept(0xd67f30?)
	<autogenerated>:1 +0x24 fp=0xc000761df8 sp=0xc000761de0 pc=0x6f1bc4
net/http.(*Server).Serve(0xc00046e000, {0xd67000, 0xc0003a8000})
	/usr/local/go/src/net/http/server.go:3056 +0x364 fp=0xc000761f28 sp=0xc000761df8 pc=0x6cf864
net/http.(*Server).ListenAndServe(0xc00046e000)
	/usr/local/go/src/net/http/server.go:2985 +0x71 fp=0xc000761f58 sp=0xc000761f28 pc=0x6cf4d1
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:284 +0x9d fp=0xc000761fe0 sp=0xc000761f58 pc=0xa1a4bd
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000761fe8 sp=0xc000761fe0 pc=0x46f7c1
created by main.setupPprofHandler in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:283 +0x37

goroutine 21 [syscall, 3 minutes]:
runtime.notetsleepg(0x227b20202020090a?, 0x79732f636f72702f?)
	/usr/local/go/src/runtime/lock_sema.go:294 +0x29 fp=0xc0003867a0 sp=0xc000386758 pc=0x40ea69
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x29 fp=0xc0003867c0 sp=0xc0003867a0 pc=0x46bf29
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x13 fp=0xc0003867e0 sp=0xc0003867c0 pc=0x7993f3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003867e8 sp=0xc0003867e0 pc=0x46f7c1
created by os/signal.Notify.func1.1 in goroutine 9
	/usr/local/go/src/os/signal/signal.go:151 +0x1f

goroutine 38 [IO wait]:
runtime.gopark(0xc000847890?, 0xc000847890?, 0x7d?, 0xeb?, 0xc0008478e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000847878 sp=0xc000847858 pc=0x43d66e
runtime.netpollblock(0xc0006de000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0008478b0 sp=0xc000847878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10466f8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0008478d0 sp=0xc0008478b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc00089e060?, 0xc0006de000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0008478f8 sp=0xc0008478d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00089e060, {0xc0006de000, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000847990 sp=0xc0008478f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000096a08, {0xc0006de000?, 0xc000847a08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0008479d0 sp=0xc000847990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc000096a08}, {0xc0006de000, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000847a18 sp=0xc0008479d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0002f0c00, 0xc00017f200?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc000847bc0 sp=0xc000847a18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0002f1300, 0x1a0?, {0xc000814a80, 0x357, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc000847c50 sp=0xc000847bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000010a68, 0xc0000fb960, 0xc000847df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc000847db8 sp=0xc000847c50 pc=0xa1b365
main.(*Proc).execute(0xc000010a68?, 0xc0000fb960, 0xc000096c60?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc000847e00 sp=0xc000847db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010a68)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc000847fc8 sp=0xc000847e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000847fe0 sp=0xc000847fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000847fe8 sp=0xc000847fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 41 [select]:
runtime.gopark(0xc0003ab978?, 0x2?, 0x80?, 0xf6?, 0xc0003ab91c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0003ab7c0 sp=0xc0003ab7a0 pc=0x43d66e
runtime.selectgo(0xc0003ab978, 0xc0003ab918, 0x20?, 0x0, 0x41d020?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0003ab8e0 sp=0xc0003ab7c0 pc=0x44dac5
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc0002f1100)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x1d3 fp=0xc0003ab9a8 sp=0xc0003ab8e0 pc=0xa14c73
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc0002f1480, 0xc00017f0b0, {0xbda86e?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:653 +0xc52 fp=0xc0003abc20 sp=0xc0003ab9a8 pc=0xa14352
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc0002f1480, 0xc00017f0b0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:313 +0xce fp=0xc0003abc50 sp=0xc0003abc20 pc=0xa11ace
main.(*Proc).executeProgram(0xc000010ab0, 0xc0000faf50, 0xc0003abdf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:120 +0x6f fp=0xc0003abdb8 sp=0xc0003abc50 pc=0xa1b2ef
main.(*Proc).execute(0xc000010ab0?, 0xc0000faf50, 0xc000096ba0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0003abe00 sp=0xc0003abdb8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010ab0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0003abfc8 sp=0xc0003abe00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0003abfe0 sp=0xc0003abfc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003abfe8 sp=0xc0003abfe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 40 [select]:
runtime.gopark(0xc000843978?, 0x2?, 0xc0?, 0xfb?, 0xc00084391c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0008437c0 sp=0xc0008437a0 pc=0x43d66e
runtime.selectgo(0xc000843978, 0xc000843918, 0x20?, 0x0, 0x41d020?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0008438e0 sp=0xc0008437c0 pc=0x44dac5
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc0002f1180)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x1d3 fp=0xc0008439a8 sp=0xc0008438e0 pc=0xa14c73
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc0002f1400, 0xc00017f1d0, {0xbda86e?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:653 +0xc52 fp=0xc000843c20 sp=0xc0008439a8 pc=0xa14352
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc0002f1400, 0xc00017f1d0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:313 +0xce fp=0xc000843c50 sp=0xc000843c20 pc=0xa11ace
main.(*Proc).executeProgram(0xc000010a98, 0xc0000fb260, 0xc000843df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:120 +0x6f fp=0xc000843db8 sp=0xc000843c50 pc=0xa1b2ef
main.(*Proc).execute(0xc000010a98?, 0xc0000fb260, 0xc0003a42a8?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc000843e00 sp=0xc000843db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010a98)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc000843fc8 sp=0xc000843e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000843fe0 sp=0xc000843fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000843fe8 sp=0xc000843fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 39 [chan receive, 1 minutes]:
runtime.gopark(0x0?, 0xc000849998?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000849978 sp=0xc000849958 pc=0x43d66e
runtime.chanrecv(0xc00089f140, 0xc000849b38, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0008499f0 sp=0xc000849978 pc=0x4094ad
runtime.chanrecv1(0xc00025c540?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000849a18 sp=0xc0008499f0 pc=0x4090b2
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0000c2380, 0xc00017eea0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:801 +0x698 fp=0xc000849bc0 sp=0xc000849a18 pc=0xa156d8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0002f1380, 0xee?, {0xc000627900, 0x4b5, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc000849c50 sp=0xc000849bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000010a80, 0xc0000fafc0, 0xc000849df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc000849db8 sp=0xc000849c50 pc=0xa1b365
main.(*Proc).execute(0xc000010a80?, 0xc0000fafc0, 0xc0003a40e8?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc000849e00 sp=0xc000849db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010a80)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc000849fc8 sp=0xc000849e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000849fe0 sp=0xc000849fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000849fe8 sp=0xc000849fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 466 [IO wait, 2 minutes]:
runtime.gopark(0xc000382618?, 0xc000382618?, 0x7d?, 0xeb?, 0xc000382670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000382600 sp=0xc0003825e0 pc=0x43d66e
runtime.netpollblock(0xc000578000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000382638 sp=0xc000382600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1046410, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000382658 sp=0xc000382638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc00089ef00?, 0xc000578000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000382680 sp=0xc000382658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00089ef00, {0xc000578000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000382718 sp=0xc000382680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0003a4118, {0xc000578000?, 0x4c9fcf?, 0xc0003827b8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000382758 sp=0xc000382718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0000c2380)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0003827c8 sp=0xc000382758 pc=0xa146c9
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:632 +0x27 fp=0xc0003827e0 sp=0xc0003827c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003827e8 sp=0xc0003827e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 39
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 42 [chan receive, 2 minutes]:
runtime.gopark(0x0?, 0xc0003b1998?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0003b1978 sp=0xc0003b1958 pc=0x43d66e
runtime.chanrecv(0xc0003a6600, 0xc0003b1b38, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0003b19f0 sp=0xc0003b1978 pc=0x4094ad
runtime.chanrecv1(0xc000193140?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc0003b1a18 sp=0xc0003b19f0 pc=0x4090b2
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0000c2880, 0xc0006fa240?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:801 +0x698 fp=0xc0003b1bc0 sp=0xc0003b1a18 pc=0xa156d8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0002f1500, 0x10?, {0xc00035c700, 0x69e, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0003b1c50 sp=0xc0003b1bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000010b10, 0xc0000fa2a0, 0xc0002cbdf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0003b1db8 sp=0xc0003b1c50 pc=0xa1b365
main.(*Proc).execute(0xc000010b10?, 0xc0000fa2a0, 0xc000096710?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0003b1e00 sp=0xc0003b1db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010b10)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0003b1fc8 sp=0xc0003b1e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0003b1fe0 sp=0xc0003b1fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003b1fe8 sp=0xc0003b1fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 89 [chan send, 2 minutes]:
runtime.gopark(0x0?, 0xc0000596d8?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000596b8 sp=0xc000059698 pc=0x43d66e
runtime.chansend(0xc0001931a0, 0xd538b0, 0x1, 0xc000059730?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc000059728 sp=0xc0000596b8 pc=0x408745
runtime.chansend1(0xc0000597b0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:145 +0x17 fp=0xc000059758 sp=0xc000059728 pc=0x408397
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:757 +0xdc fp=0xc0000597e0 sp=0xc000059758 pc=0xa15b5c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000597e8 sp=0xc0000597e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 42
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 800 [IO wait]:
runtime.gopark(0xc000382e18?, 0xc000382e18?, 0x7d?, 0xeb?, 0xc000382e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000382e00 sp=0xc000382de0 pc=0x43d66e
runtime.netpollblock(0xc000ae6000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000382e38 sp=0xc000382e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10e11c0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000382e58 sp=0xc000382e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc00089f2c0?, 0xc000ae6000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000382e80 sp=0xc000382e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00089f2c0, {0xc000ae6000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000382f18 sp=0xc000382e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000096bd0, {0xc000ae6000?, 0xc0008e6168?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000382f58 sp=0xc000382f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0002f1100)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000382fc8 sp=0xc000382f58 pc=0xa146c9
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:632 +0x27 fp=0xc000382fe0 sp=0xc000382fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000382fe8 sp=0xc000382fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 41
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 82 [IO wait, 3 minutes]:
runtime.gopark(0xc000059e18?, 0xc000059e18?, 0x7d?, 0xeb?, 0xc000059e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000059e00 sp=0xc000059de0 pc=0x43d66e
runtime.netpollblock(0xc000780000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000059e38 sp=0xc000059e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10e10c8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000059e58 sp=0xc000059e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0003a63c0?, 0xc000780000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000059e80 sp=0xc000059e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0003a63c0, {0xc000780000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000059f18 sp=0xc000059e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000096738, {0xc000780000?, 0x4c9fcf?, 0xc000059fb8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000059f58 sp=0xc000059f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0000c2880)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000059fc8 sp=0xc000059f58 pc=0xa146c9
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:632 +0x27 fp=0xc000059fe0 sp=0xc000059fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000059fe8 sp=0xc000059fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 42
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 69 [syscall, 3 minutes]:
syscall.Syscall6(0x1e1, 0x1, 0x63b, 0xc00038466c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000384618 sp=0xc000384608 pc=0x4beba9
os.wait6(0xc00005d000?, 0x43d66e?, 0x0?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000384688 sp=0xc000384618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc00003a930)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0003846b8 sp=0xc000384688 pc=0x4e9190
os.(*Process).wait(0xc00003a930)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000384718 sp=0xc0003846b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000253ce0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000384780 sp=0xc000384718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0000c2880)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0003847c8 sp=0xc000384780 pc=0xa14568
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:645 +0x27 fp=0xc0003847e0 sp=0xc0003847c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003847e8 sp=0xc0003847e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 42
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 491 [chan send, 1 minutes]:
runtime.gopark(0x0?, 0xc000350ed8?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000350eb8 sp=0xc000350e98 pc=0x43d66e
runtime.chansend(0xc00025c5a0, 0xd538b0, 0x1, 0xc000350f30?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc000350f28 sp=0xc000350eb8 pc=0x408745
runtime.chansend1(0xc000350fb0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:145 +0x17 fp=0xc000350f58 sp=0xc000350f28 pc=0x408397
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:757 +0xdc fp=0xc000350fe0 sp=0xc000350f58 pc=0xa15b5c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000350fe8 sp=0xc000350fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 39
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 751 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0xeda, 0xc00034ce6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc00034ce18 sp=0xc00034ce08 pc=0x4beba9
os.wait6(0x1406c20?, 0x8000000000000000?, 0x25e084719d?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc00034ce88 sp=0xc00034ce18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0006e4bd0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc00034ceb8 sp=0xc00034ce88 pc=0x4e9190
os.(*Process).wait(0xc0006e4bd0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc00034cf18 sp=0xc00034ceb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc00062a580)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc00034cf80 sp=0xc00034cf18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0002f0880)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc00034cfc8 sp=0xc00034cf80 pc=0xa14568
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:645 +0x27 fp=0xc00034cfe0 sp=0xc00034cfc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00034cfe8 sp=0xc00034cfe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 43
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 467 [syscall, 2 minutes]:
syscall.Syscall6(0x1e1, 0x1, 0x86a, 0xc000351e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000351e18 sp=0xc000351e08 pc=0x4beba9
os.wait6(0x1406c20?, 0x8000000000000000?, 0x11213cc5ac?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000351e88 sp=0xc000351e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0006e44b0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000351eb8 sp=0xc000351e88 pc=0x4e9190
os.(*Process).wait(0xc0006e44b0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000351f18 sp=0xc000351eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc00084a160)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000351f80 sp=0xc000351f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0000c2380)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000351fc8 sp=0xc000351f80 pc=0xa14568
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:645 +0x27 fp=0xc000351fe0 sp=0xc000351fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000351fe8 sp=0xc000351fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 39
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 802 [IO wait]:
runtime.gopark(0xc00089bdd0?, 0xc00089bdd0?, 0x7d?, 0xeb?, 0xc00089be28?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00089bdb8 sp=0xc00089bd98 pc=0x43d66e
runtime.netpollblock(0xc0008e65e0?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00089bdf0 sp=0xc00089bdb8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1046508, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00089be10 sp=0xc00089bdf0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc00089f380?, 0xc0008e65e0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00089be38 sp=0xc00089be10 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00089f380, {0xc0008e65e0, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00089bed0 sp=0xc00089be38 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000096be0, {0xc0008e65e0?, 0xc00089bf48?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc00089bf10 sp=0xc00089bed0 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc000096be0}, {0xc0008e65e0, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc00089bf58 sp=0xc00089bf10 pc=0x4b4a50
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:693 +0x5e fp=0xc00089bfe0 sp=0xc00089bf58 pc=0xa14d9e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00089bfe8 sp=0xc00089bfe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 41
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:690 +0x14d

goroutine 803 [IO wait]:
runtime.gopark(0xc000899e18?, 0xc000899e18?, 0x7d?, 0xeb?, 0xc000899e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000899e00 sp=0xc000899de0 pc=0x43d66e
runtime.netpollblock(0xc000b06000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000899e38 sp=0xc000899e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10469e0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000899e58 sp=0xc000899e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc00089f800?, 0xc000b06000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000899e80 sp=0xc000899e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00089f800, {0xc000b06000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000899f18 sp=0xc000899e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000096c20, {0xc000b06000?, 0xc0008e64b8?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000899f58 sp=0xc000899f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0002f1180)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000899fc8 sp=0xc000899f58 pc=0xa146c9
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:632 +0x27 fp=0xc000899fe0 sp=0xc000899fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000899fe8 sp=0xc000899fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 40
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 750 [IO wait]:
runtime.gopark(0xc00089ae18?, 0xc00089ae18?, 0x7d?, 0xeb?, 0xc00089ae70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00089ae00 sp=0xc00089ade0 pc=0x43d66e
runtime.netpollblock(0xc000663fb2?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00089ae38 sp=0xc00089ae00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10e8788, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00089ae58 sp=0xc00089ae38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0003a7ec0?, 0xc000663fb2?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00089ae80 sp=0xc00089ae58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0003a7ec0, {0xc000663fb2, 0xa04e, 0xa04e})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00089af18 sp=0xc00089ae80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000967a8, {0xc000663fb2?, 0xc0008e60b8?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc00089af58 sp=0xc00089af18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0002f0880)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc00089afc8 sp=0xc00089af58 pc=0xa146c9
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:632 +0x27 fp=0xc00089afe0 sp=0xc00089afc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00089afe8 sp=0xc00089afe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 43
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 807 [select]:
runtime.gopark(0xc00034b7b0?, 0x2?, 0x60?, 0xb6?, 0xc00034b78c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00034b638 sp=0xc00034b618 pc=0x43d66e
runtime.selectgo(0xc00034b7b0, 0xc00034b788, 0xc0008e6350?, 0x0, 0x5e93?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc00034b758 sp=0xc00034b638 pc=0x44dac5
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:754 +0x77 fp=0xc00034b7e0 sp=0xc00034b758 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00034b7e8 sp=0xc00034b7e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 38
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 801 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0xd87, 0xc00034be6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc00034be18 sp=0xc00034be08 pc=0x4beba9
os.wait6(0x416efc?, 0xc00034bec8?, 0x46b805?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc00034be88 sp=0xc00034be18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0006e5740)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc00034beb8 sp=0xc00034be88 pc=0x4e9190
os.(*Process).wait(0xc0006e5740)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc00034bf18 sp=0xc00034beb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc00062ac60)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc00034bf80 sp=0xc00034bf18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0002f1100)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc00034bfc8 sp=0xc00034bf80 pc=0xa14568
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:645 +0x27 fp=0xc00034bfe0 sp=0xc00034bfc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00034bfe8 sp=0xc00034bfe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 41
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 783 [runnable]:
syscall.Syscall6(0x1e1, 0x1, 0xd83, 0xc000386e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000386e18 sp=0xc000386e08 pc=0x4beba9
os.wait6(0x1406c20?, 0x8000000000000000?, 0x2b738fb66d?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000386e88 sp=0xc000386e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0006e51d0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000386eb8 sp=0xc000386e88 pc=0x4e9190
os.(*Process).wait(0xc0006e51d0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000386f18 sp=0xc000386eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc00062a9a0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000386f80 sp=0xc000386f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0002f0c00)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000386fc8 sp=0xc000386f80 pc=0xa14568
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:645 +0x27 fp=0xc000386fe0 sp=0xc000386fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000386fe8 sp=0xc000386fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 38
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 804 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x1254, 0xc00089566c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000895618 sp=0xc000895608 pc=0x4beba9
os.wait6(0x1406c20?, 0x8000000000000000?, 0x2d1c0274c6?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000895688 sp=0xc000895618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0006e5950)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0008956b8 sp=0xc000895688 pc=0x4e9190
os.(*Process).wait(0xc0006e5950)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000895718 sp=0xc0008956b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc00062adc0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000895780 sp=0xc000895718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0002f1180)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0008957c8 sp=0xc000895780 pc=0xa14568
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:645 +0x27 fp=0xc0008957e0 sp=0xc0008957c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0008957e8 sp=0xc0008957e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 40
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 805 [IO wait]:
runtime.gopark(0xc000895dd0?, 0xc000895dd0?, 0x7d?, 0xeb?, 0xc000895e28?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000895db8 sp=0xc000895d98 pc=0x43d66e
runtime.netpollblock(0xc0008e6638?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000895df0 sp=0xc000895db8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10e15a0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000895e10 sp=0xc000895df0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc00089f8c0?, 0xc0008e6638?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000895e38 sp=0xc000895e10 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00089f8c0, {0xc0008e6638, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000895ed0 sp=0xc000895e38 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000096c30, {0xc0008e6638?, 0xc000895f48?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000895f10 sp=0xc000895ed0 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc000096c30}, {0xc0008e6638, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000895f58 sp=0xc000895f10 pc=0x4b4a50
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:693 +0x5e fp=0xc000895fe0 sp=0xc000895f58 pc=0xa14d9e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000895fe8 sp=0xc000895fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 40
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:690 +0x14d