fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0x7f7faf7ee000 pc=0x4709fc]

goroutine 32 [running]:
runtime.throw({0xbdc158?, 0x0?})
	/usr/local/go/src/runtime/panic.go:1077 +0x5c fp=0xc0007c9b58 sp=0xc0007c9b28 pc=0x43a81c
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:875 +0x285 fp=0xc0007c9bb8 sp=0xc0007c9b58 pc=0x451585
runtime.memmove()
	/usr/local/go/src/runtime/memmove_amd64.s:375 +0x43c fp=0xc0007c9bc0 sp=0xc0007c9bb8 pc=0x4709fc
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00031b280, 0x251?, {0xc0007d6000, 0x4e36, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:247 +0x85 fp=0xc0007c9c50 sp=0xc0007c9bc0 pc=0xa11785
main.(*Proc).executeProgram(0xc000010a80, 0xc0000faa10, 0xc0007c9df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0007c9db8 sp=0xc0007c9c50 pc=0xa1b365
main.(*Proc).execute(0xc000010a80?, 0xc0000faa10, 0xc0003742e0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0007c9e00 sp=0xc0007c9db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010a80)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0007c9fc8 sp=0xc0007c9e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0007c9fe0 sp=0xc0007c9fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007c9fe8 sp=0xc0007c9fe0 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(0xc0007cb740?, 0xc0007cb740?, 0x7d?, 0xeb?, 0xc0007cb798?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007cb728 sp=0xc0007cb708 pc=0x43d66e
runtime.netpollblock(0xc0004d6000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0007cb760 sp=0xc0007cb728 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb0febde8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0007cb780 sp=0xc0007cb760 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0000c2080?, 0xc0004d6000?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0007cb7a8 sp=0xc0007cb780 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0000c2080, {0xc0004d6000, 0x61af4, 0x62000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0007cb840 sp=0xc0007cb7a8 pc=0x4d9cfa
net.(*netFD).Read(0xc0000c2080, {0xc0004d6000?, 0xc000162400?, 0x100c000378820?})
	/usr/local/go/src/net/fd_posix.go:55 +0x25 fp=0xc0007cb888 sp=0xc0007cb840 pc=0x5b8d85
net.(*conn).Read(0xc000374020, {0xc0004d6000?, 0xc000b58a50?, 0x18?})
	/usr/local/go/src/net/net.go:179 +0x45 fp=0xc0007cb8d0 sp=0xc0007cb888 pc=0x5c96a5
net.(*TCPConn).Read(0xc0007cb960?, {0xc0004d6000?, 0xc0007cb938?, 0x40dd4c?})
	<autogenerated>:1 +0x25 fp=0xc0007cb900 sp=0xc0007cb8d0 pc=0x5d9e05
io.ReadAtLeast({0x7f7fb1038bb8, 0xc000374020}, {0xc0004d6000, 0x61af4, 0x62000}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0007cb948 sp=0xc0007cb900 pc=0x4b4a50
github.com/google/syzkaller/pkg/flatrpc.(*Conn).recv(0xc000468190, 0xc0004d6004?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:178 +0x1a5 fp=0xc0007cb9e0 sp=0xc0007cb948 pc=0x8d4b65
github.com/google/syzkaller/pkg/flatrpc.Recv[...](0xc000468190)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:152 +0xb3 fp=0xc0007cba40 sp=0xc0007cb9e0 pc=0xa1c6f3
main.(*FuzzerTool).handleConn(0xc000740f00)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:222 +0x36 fp=0xc0007cbae8 sp=0xc0007cba40 pc=0xa19536
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:162 +0xec5 fp=0xc0007cbf40 sp=0xc0007cbae8 pc=0xa19065
runtime.main()
	/usr/local/go/src/runtime/proc.go:267 +0x2bb fp=0xc0007cbfe0 sp=0xc0007cbf40 pc=0x43d1fb
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007cbfe8 sp=0xc0007cbfe0 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 [GC scavenge wait]:
runtime.gopark(0x80c347?, 0x71d004?, 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?, 0xe0?, 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(0x3ab9ed556c?, 0xc00043a000?, 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 17 [GC worker (idle)]:
runtime.gopark(0x3ab9ee49a9?, 0xc0000402e0?, 0x1a?, 0x14?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000052750 sp=0xc000052730 pc=0x43d66e
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1293 +0xe5 fp=0xc0000527e0 sp=0xc000052750 pc=0x41f025
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x46f7c1
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 7 [select]:
runtime.gopark(0xc000758f88?, 0x3?, 0xd0?, 0x83?, 0xc000758f72?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000758e18 sp=0xc000758df8 pc=0x43d66e
runtime.selectgo(0xc000758f88, 0xc000758f6c, 0xc000460400?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000758f38 sp=0xc000758e18 pc=0x44dac5
go.opencensus.io/stats/view.(*worker).start(0xc000460400)
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0x9f fp=0xc000758fc8 sp=0xc000758f38 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=0xc000758fe0 sp=0xc000758fc8 pc=0x9f0bc5
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000758fe8 sp=0xc000758fe0 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 19 [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(0xc000318ae0, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000053740 sp=0xc0000536c8 pc=0x4094ad
runtime.chanrecv1(0xc000318ae0?, 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 9 [chan receive]:
runtime.gopark(0xc00007a900?, 0xc0004682d0?, 0xd0?, 0x8?, 0x8d43e0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000546f8 sp=0xc0000546d8 pc=0x43d66e
runtime.chanrecv(0xc000184a80, 0xc0000547b8, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000054770 sp=0xc0000546f8 pc=0x4094ad
runtime.chanrecv2(0xc0002b73c0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:447 +0x12 fp=0xc000054798 sp=0xc000054770 pc=0x4090d2
github.com/google/syzkaller/pkg/stats.newSet.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:98 +0x66 fp=0xc0000547e0 sp=0xc000054798 pc=0x8d2f46
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000547e8 sp=0xc0000547e0 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 20 [chan receive, 3 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000054ef0 sp=0xc000054ed0 pc=0x43d66e
runtime.chanrecv(0xc00007e180, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000054f68 sp=0xc000054ef0 pc=0x4094ad
runtime.chanrecv1(0x0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000054f90 sp=0xc000054f68 pc=0x4090b2
main.main.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:76 +0x19 fp=0xc000054fe0 sp=0xc000054f90 pc=0xa190b9
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000054fe8 sp=0xc000054fe0 pc=0x46f7c1
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:74 +0x33b

goroutine 10 [select, 3 minutes, locked to thread]:
runtime.gopark(0xc000756fa8?, 0x2?, 0x9?, 0xd9?, 0xc000756f94?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000756e30 sp=0xc000756e10 pc=0x43d66e
runtime.selectgo(0xc000756fa8, 0xc000756f90, 0x0?, 0x0, 0x2070752073252065?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000756f50 sp=0xc000756e30 pc=0x44dac5
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1014 +0x192 fp=0xc000756fe0 sp=0xc000756f50 pc=0x4664f2
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000756fe8 sp=0xc000756fe0 pc=0x46f7c1
created by runtime.ensureSigM in goroutine 19
	/usr/local/go/src/runtime/signal_unix.go:997 +0xc8

goroutine 21 [IO wait, 3 minutes]:
runtime.gopark(0xc000759c10?, 0x41013d?, 0x18?, 0x9c?, 0x4df99d?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000759ba8 sp=0xc000759b88 pc=0x43d66e
runtime.netpollblock(0x7f7fb134f610?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000759be0 sp=0xc000759ba8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb0feb910, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000759c00 sp=0xc000759be0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0000c2000?, 0xc000759ce8?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000759c28 sp=0xc000759c00 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=0xc000759cd0 sp=0xc000759c28 pc=0x4ddeec
net.(*netFD).accept(0xc0000c2000)
	/usr/local/go/src/net/fd_unix.go:172 +0x29 fp=0xc000759d88 sp=0xc000759cd0 pc=0x5bada9
net.(*TCPListener).accept(0xc000378000)
	/usr/local/go/src/net/tcpsock_posix.go:152 +0x1e fp=0xc000759db0 sp=0xc000759d88 pc=0x5d16de
net.(*TCPListener).Accept(0xc000378000)
	/usr/local/go/src/net/tcpsock.go:315 +0x30 fp=0xc000759de0 sp=0xc000759db0 pc=0x5d08d0
net/http.(*onceCloseListener).Accept(0xd67f30?)
	<autogenerated>:1 +0x24 fp=0xc000759df8 sp=0xc000759de0 pc=0x6f1bc4
net/http.(*Server).Serve(0xc0000e8000, {0xd67000, 0xc000378000})
	/usr/local/go/src/net/http/server.go:3056 +0x364 fp=0xc000759f28 sp=0xc000759df8 pc=0x6cf864
net/http.(*Server).ListenAndServe(0xc0000e8000)
	/usr/local/go/src/net/http/server.go:2985 +0x71 fp=0xc000759f58 sp=0xc000759f28 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=0xc000759fe0 sp=0xc000759f58 pc=0xa1a4bd
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000759fe8 sp=0xc000759fe0 pc=0x46f7c1
created by main.setupPprofHandler in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:283 +0x37

goroutine 11 [syscall, 3 minutes]:
runtime.notetsleepg(0x224c4c554e22203a?, 0x727265727473202c?)
	/usr/local/go/src/runtime/lock_sema.go:294 +0x29 fp=0xc000358fa0 sp=0xc000358f58 pc=0x40ea69
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x29 fp=0xc000358fc0 sp=0xc000358fa0 pc=0x46bf29
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x13 fp=0xc000358fe0 sp=0xc000358fc0 pc=0x7993f3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000358fe8 sp=0xc000358fe0 pc=0x46f7c1
created by os/signal.Notify.func1.1 in goroutine 19
	/usr/local/go/src/os/signal/signal.go:151 +0x1f

goroutine 1118 [chan send]:
runtime.gopark(0x0?, 0xc000058ed8?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000058eb8 sp=0xc000058e98 pc=0x43d66e
runtime.chansend(0xc0008c89c0, 0xd538b0, 0x1, 0xc000058f30?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc000058f28 sp=0xc000058eb8 pc=0x408745
runtime.chansend1(0xc000058fb0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:145 +0x17 fp=0xc000058f58 sp=0xc000058f28 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=0xc000058fe0 sp=0xc000058f58 pc=0xa15b5c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000058fe8 sp=0xc000058fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 33
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 1219 [chan send]:
runtime.gopark(0x2?, 0x0?, 0xde?, 0x90?, 0xc0008bce20?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000596b8 sp=0xc000059698 pc=0x43d66e
runtime.chansend(0xc0008c88a0, 0xd5c7b0, 0x1, 0xc000468968?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc000059728 sp=0xc0000596b8 pc=0x408745
runtime.chansend1(0xc0000597b0?, 0xc000059788?)
	/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:760 +0xa5 fp=0xc0000597e0 sp=0xc000059758 pc=0xa15b25
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 35
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 31 [IO wait]:
runtime.gopark(0xc00058f890?, 0xc00058f890?, 0x7d?, 0xeb?, 0xc00058f8e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00058f878 sp=0xc00058f858 pc=0x43d66e
runtime.netpollblock(0xc0006ae2c0?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00058f8b0 sp=0xc00058f878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb103a8d0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00058f8d0 sp=0xc00058f8b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0007ce720?, 0xc0006ae2c0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00058f8f8 sp=0xc00058f8d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0007ce720, {0xc0006ae2c0, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00058f990 sp=0xc00058f8f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0004567f8, {0xc0006ae2c0?, 0xc00058fa08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc00058f9d0 sp=0xc00058f990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc0004567f8}, {0xc0006ae2c0, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc00058fa18 sp=0xc00058f9d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc00031a980, 0xc0004d4558?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc00058fbc0 sp=0xc00058fa18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00031b200, 0x250?, {0xc00034e480, 0x21b, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc00058fc50 sp=0xc00058fbc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000010a68, 0xc000178460, 0xc00058fdf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc00058fdb8 sp=0xc00058fc50 pc=0xa1b365
main.(*Proc).execute(0xc000010a68?, 0xc000178460, 0xc0003742c8?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc00058fe00 sp=0xc00058fdb8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010a68)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc00058ffc8 sp=0xc00058fe00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc00058ffe0 sp=0xc00058ffc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00058ffe8 sp=0xc00058ffe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 1104 [chan send]:
runtime.gopark(0x0?, 0xc000354ed8?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000354eb8 sp=0xc000354e98 pc=0x43d66e
runtime.chansend(0xc000198540, 0xd538b0, 0x1, 0xc000354f30?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc000354f28 sp=0xc000354eb8 pc=0x408745
runtime.chansend1(0xc000354fb0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:145 +0x17 fp=0xc000354f58 sp=0xc000354f28 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=0xc000354fe0 sp=0xc000354f58 pc=0xa15b5c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000354fe8 sp=0xc000354fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 34
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 33 [chan receive]:
runtime.gopark(0x0?, 0xc000589998?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000589978 sp=0xc000589958 pc=0x43d66e
runtime.chanrecv(0xc0008bd560, 0xc000589b38, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0005899f0 sp=0xc000589978 pc=0x4094ad
runtime.chanrecv1(0xc0008c8960?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000589a18 sp=0xc0005899f0 pc=0x4090b2
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc000460500, 0xc0002e2468?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:801 +0x698 fp=0xc000589bc0 sp=0xc000589a18 pc=0xa156d8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00031b300, 0x222?, {0xc000170380, 0x335, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc000589c50 sp=0xc000589bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000010a98, 0xc0001780e0, 0xc000589df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc000589db8 sp=0xc000589c50 pc=0xa1b365
main.(*Proc).execute(0xc000010a98?, 0xc0001780e0, 0xc000374238?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc000589e00 sp=0xc000589db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010a98)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc000589fc8 sp=0xc000589e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000589fe0 sp=0xc000589fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000589fe8 sp=0xc000589fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 34 [chan receive]:
runtime.gopark(0x0?, 0xc0007c7998?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007c7978 sp=0xc0007c7958 pc=0x43d66e
runtime.chanrecv(0xc0008d7740, 0xc0007c7b38, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0007c79f0 sp=0xc0007c7978 pc=0x4094ad
runtime.chanrecv1(0xc0001984e0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc0007c7a18 sp=0xc0007c79f0 pc=0x4090b2
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc00031a380, 0xc0002e28b8?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:801 +0x698 fp=0xc0007c7bc0 sp=0xc0007c7a18 pc=0xa156d8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00031b380, 0x216?, {0xc0007be800, 0x1703, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0007c7c50 sp=0xc0007c7bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000010ab0, 0xc0001784d0, 0xc0007c7df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0007c7db8 sp=0xc0007c7c50 pc=0xa1b365
main.(*Proc).execute(0xc000010ab0?, 0xc0001784d0, 0xc000374028?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0007c7e00 sp=0xc0007c7db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010ab0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0007c7fc8 sp=0xc0007c7e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0007c7fe0 sp=0xc0007c7fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007c7fe8 sp=0xc0007c7fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 35 [chan receive]:
runtime.gopark(0x0?, 0xc0007c5998?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007c5978 sp=0xc0007c5958 pc=0x43d66e
runtime.chanrecv(0xc0000cde60, 0xc0007c5b38, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0007c59f0 sp=0xc0007c5978 pc=0x4094ad
runtime.chanrecv1(0xc0008c8840?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc0007c5a18 sp=0xc0007c59f0 pc=0x4090b2
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc000460380, 0xc0002e27f8?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:801 +0x698 fp=0xc0007c5bc0 sp=0xc0007c5a18 pc=0xa156d8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00031b400, 0x24d?, {0xc00024c3c0, 0x4e, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0007c5c50 sp=0xc0007c5bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000010b10, 0xc0000fa9a0, 0xc0007c5df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0007c5db8 sp=0xc0007c5c50 pc=0xa1b365
main.(*Proc).execute(0xc000010b10?, 0xc0000fa9a0, 0xc000374250?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0007c5e00 sp=0xc0007c5db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010b10)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0007c5fc8 sp=0xc0007c5e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0007c5fe0 sp=0xc0007c5fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007c5fe8 sp=0xc0007c5fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 36 [select]:
runtime.gopark(0xc00058d978?, 0x2?, 0x60?, 0xef?, 0xc00058d91c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00058d7c0 sp=0xc00058d7a0 pc=0x43d66e
runtime.selectgo(0xc00058d978, 0xc00058d918, 0x20?, 0x0, 0x41d020?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc00058d8e0 sp=0xc00058d7c0 pc=0x44dac5
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc000460800)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x1d3 fp=0xc00058d9a8 sp=0xc00058d8e0 pc=0xa14c73
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc00031b480, 0xc0002e2be8, {0xbda86e?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:653 +0xc52 fp=0xc00058dc20 sp=0xc00058d9a8 pc=0xa14352
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc00031b480, 0xc0002e2be8)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:313 +0xce fp=0xc00058dc50 sp=0xc00058dc20 pc=0xa11ace
main.(*Proc).executeProgram(0xc000010ba0, 0xc000178b60, 0xc00058ddf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:120 +0x6f fp=0xc00058ddb8 sp=0xc00058dc50 pc=0xa1b2ef
main.(*Proc).execute(0xc000010ba0?, 0xc000178b60, 0xc0004566e8?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc00058de00 sp=0xc00058ddb8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010ba0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc00058dfc8 sp=0xc00058de00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc00058dfe0 sp=0xc00058dfc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00058dfe8 sp=0xc00058dfe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 1188 [IO wait]:
runtime.gopark(0xc000356e18?, 0xc000356e18?, 0x7d?, 0xeb?, 0xc000356e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000356e00 sp=0xc000356de0 pc=0x43d66e
runtime.netpollblock(0xc0006cc04f?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000356e38 sp=0xc000356e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb0feb818, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000356e58 sp=0xc000356e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0000cdb60?, 0xc0006cc04f?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000356e80 sp=0xc000356e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0000cdb60, {0xc0006cc04f, 0x1ffb1, 0x1ffb1})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000356f18 sp=0xc000356e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000374118, {0xc0006cc04f?, 0x4c9fcf?, 0xc000356fb8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000356f58 sp=0xc000356f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc000460380)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000356fc8 sp=0xc000356f58 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=0xc000356fe0 sp=0xc000356fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000356fe8 sp=0xc000356fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 35
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 1217 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x195a, 0xc000355e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000355e18 sp=0xc000355e08 pc=0x4beba9
os.wait6(0xc000320ea0?, 0x408b00?, 0xc000320ea0?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000355e88 sp=0xc000355e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc000090b70)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000355eb8 sp=0xc000355e88 pc=0x4e9190
os.(*Process).wait(0xc000090b70)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000355f18 sp=0xc000355eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0006ca420)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000355f80 sp=0xc000355f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc00031a980)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000355fc8 sp=0xc000355f80 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=0xc000355fe0 sp=0xc000355fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000355fe8 sp=0xc000355fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 31
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 1097 [IO wait]:
runtime.gopark(0xc00035be18?, 0xc00035be18?, 0x7d?, 0xeb?, 0xc00035be70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00035be00 sp=0xc00035bde0 pc=0x43d66e
runtime.netpollblock(0xc000548000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00035be38 sp=0xc00035be00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb0feb058, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00035be58 sp=0xc00035be38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0008d7500?, 0xc000548000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00035be80 sp=0xc00035be58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0008d7500, {0xc000548000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00035bf18 sp=0xc00035be80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0004565a0, {0xc000548000?, 0xc0008f22b0?, 0x4?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc00035bf58 sp=0xc00035bf18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc00031a380)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc00035bfc8 sp=0xc00035bf58 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=0xc00035bfe0 sp=0xc00035bfc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00035bfe8 sp=0xc00035bfe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 34
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 1221 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x22d9, 0xc00035966c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000359618 sp=0xc000359608 pc=0x4beba9
os.wait6(0x416efc?, 0xc0003596c8?, 0x46b805?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000359688 sp=0xc000359618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc000090de0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0003596b8 sp=0xc000359688 pc=0x4e9190
os.(*Process).wait(0xc000090de0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000359718 sp=0xc0003596b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003fa6e0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000359780 sp=0xc000359718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc000460800)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0003597c8 sp=0xc000359780 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=0xc0003597e0 sp=0xc0003597c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003597e8 sp=0xc0003597e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 36
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 1213 [IO wait]:
runtime.gopark(0xc00035add0?, 0xc00035add0?, 0x7d?, 0xeb?, 0xc00035ae28?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00035adb8 sp=0xc00035ad98 pc=0x43d66e
runtime.netpollblock(0xc0006ae288?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00035adf0 sp=0xc00035adb8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb103a7d8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00035ae10 sp=0xc00035adf0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0008bd0e0?, 0xc0006ae288?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00035ae38 sp=0xc00035ae10 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0008bd0e0, {0xc0006ae288, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00035aed0 sp=0xc00035ae38 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000374288, {0xc0006ae288?, 0xc00035af48?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc00035af10 sp=0xc00035aed0 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc000374288}, {0xc0006ae288, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc00035af58 sp=0xc00035af10 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=0xc00035afe0 sp=0xc00035af58 pc=0xa14d9e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00035afe8 sp=0xc00035afe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 36
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:690 +0x14d

goroutine 1206 [runnable]:
runtime.gopark(0x2?, 0x0?, 0xed?, 0x8c?, 0xc0000cc8e0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0001ceeb8 sp=0xc0001cee98 pc=0x43d66e
runtime.chansend(0xc0001989c0, 0xd5c7b0, 0x1, 0xc00057dea8?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc0001cef28 sp=0xc0001ceeb8 pc=0x408745
runtime.chansend1(0xc0001cefb0?, 0xc0001cef88?)
	/usr/local/go/src/runtime/chan.go:145 +0x17 fp=0xc0001cef58 sp=0xc0001cef28 pc=0x408397
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:760 +0xa5 fp=0xc0001cefe0 sp=0xc0001cef58 pc=0xa15b25
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001cefe8 sp=0xc0001cefe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 32
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 1113 [IO wait]:
runtime.gopark(0xc0001d1618?, 0xc0001d1618?, 0x7d?, 0xeb?, 0xc0001d1670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0001d1600 sp=0xc0001d15e0 pc=0x43d66e
runtime.netpollblock(0xc000686000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0001d1638 sp=0xc0001d1600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb0feb720, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0001d1658 sp=0xc0001d1638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0008bd320?, 0xc000686000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0001d1680 sp=0xc0001d1658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0008bd320, {0xc000686000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0001d1718 sp=0xc0001d1680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0003741d0, {0xc000686000?, 0x4c9fcf?, 0xc0001d17b8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0001d1758 sp=0xc0001d1718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc000460500)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0001d17c8 sp=0xc0001d1758 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=0xc0001d17e0 sp=0xc0001d17c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001d17e8 sp=0xc0001d17e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 33
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 1220 [IO wait]:
runtime.gopark(0xc0001cf618?, 0xc0001cf618?, 0x7d?, 0xeb?, 0xc0001cf670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0001cf600 sp=0xc0001cf5e0 pc=0x43d66e
runtime.netpollblock(0xc000a6c000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0001cf638 sp=0xc0001cf600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb0febee0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0001cf658 sp=0xc0001cf638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0008bd020?, 0xc000a6c000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0001cf680 sp=0xc0001cf658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0008bd020, {0xc000a6c000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0001cf718 sp=0xc0001cf680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000374278, {0xc000a6c000?, 0xc0008f22e8?, 0x4?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0001cf758 sp=0xc0001cf718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc000460800)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0001cf7c8 sp=0xc0001cf758 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=0xc0001cf7e0 sp=0xc0001cf7c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001cf7e8 sp=0xc0001cf7e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 36
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 1181 [runnable]:
runtime.closechan(0xc000319b00?)
	/usr/local/go/src/runtime/chan.go:357 +0x405 fp=0xc0001cc758 sp=0xc0001cc750 pc=0x409045
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc00031a500)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:628 +0x1b3 fp=0xc0001cc7c8 sp=0xc0001cc758 pc=0xa147f3
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:632 +0x27 fp=0xc0001cc7e0 sp=0xc0001cc7c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001cc7e8 sp=0xc0001cc7e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 32
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 1223 [select]:
runtime.gopark(0xc000425fb0?, 0x2?, 0x40?, 0xd7?, 0xc000425f8c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000425e38 sp=0xc000425e18 pc=0x43d66e
runtime.selectgo(0xc000425fb0, 0xc000425f88, 0x4c9fcf?, 0x0, 0xa145ba?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000425f58 sp=0xc000425e38 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=0xc000425fe0 sp=0xc000425f58 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000425fe8 sp=0xc000425fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 31
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9