fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0x7f7fb0bee000 pc=0x4709fc]

goroutine 35 [running]:
runtime.throw({0xbdc158?, 0x0?})
	/usr/local/go/src/runtime/panic.go:1077 +0x5c fp=0xc00074bb58 sp=0xc00074bb28 pc=0x43a81c
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:875 +0x285 fp=0xc00074bbb8 sp=0xc00074bb58 pc=0x451585
runtime.memmove()
	/usr/local/go/src/runtime/memmove_amd64.s:375 +0x43c fp=0xc00074bbc0 sp=0xc00074bbb8 pc=0x4709fc
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004f0100, 0x174?, {0xc000a46000, 0x9f74, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:247 +0x85 fp=0xc00074bc50 sp=0xc00074bbc0 pc=0xa11785
main.(*Proc).executeProgram(0xc0004fe168, 0xc000490a80, 0xc00074bdf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc00074bdb8 sp=0xc00074bc50 pc=0xa1b365
main.(*Proc).execute(0xc0004fe168?, 0xc000490a80, 0xc000358178?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc00074be00 sp=0xc00074bdb8 pc=0xa1b1b3
main.(*Proc).loop(0xc0004fe168)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc00074bfc8 sp=0xc00074be00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc00074bfe0 sp=0xc00074bfc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00074bfe8 sp=0xc00074bfe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 1 [runnable]:
syscall.Syscall(0x3, 0x6, 0xc000540000, 0x61af4)
	/usr/local/go/src/syscall/asm_unix_amd64.s:19 +0x9 fp=0xc000745750 sp=0xc000745740 pc=0x4beb49
syscall.read(0xc0004f0080?, {0xc000540000?, 0x0?, 0x0?})
	/usr/local/go/src/syscall/zsyscall_netbsd_amd64.go:860 +0x45 fp=0xc0007457a8 sp=0xc000745750 pc=0x4bdc85
syscall.Read(...)
	/usr/local/go/src/syscall/syscall_unix.go:181
internal/poll.ignoringEINTRIO(...)
	/usr/local/go/src/internal/poll/fd_unix.go:736
internal/poll.(*FD).Read(0xc0004f0080, {0xc000540000, 0x61af4, 0x62000})
	/usr/local/go/src/internal/poll/fd_unix.go:160 +0x2ae fp=0xc000745840 sp=0xc0007457a8 pc=0x4d9d2e
net.(*netFD).Read(0xc0004f0080, {0xc000540000?, 0x162800?, 0x100c00035c1a0?})
	/usr/local/go/src/net/fd_posix.go:55 +0x25 fp=0xc000745888 sp=0xc000745840 pc=0x5b8d85
net.(*conn).Read(0xc000358020, {0xc000540000?, 0x14331a8?, 0x424fa5?})
	/usr/local/go/src/net/net.go:179 +0x45 fp=0xc0007458d0 sp=0xc000745888 pc=0x5c96a5
net.(*TCPConn).Read(0xc000745940?, {0xc000540000?, 0xc000745938?, 0x40dd4c?})
	<autogenerated>:1 +0x25 fp=0xc000745900 sp=0xc0007458d0 pc=0x5d9e05
io.ReadAtLeast({0x7f7fb103fb58, 0xc000358020}, {0xc000540000, 0x61af4, 0x62000}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000745948 sp=0xc000745900 pc=0x4b4a50
github.com/google/syzkaller/pkg/flatrpc.(*Conn).recv(0xc00022e1e0, 0xc000540004?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:178 +0x1a5 fp=0xc0007459e0 sp=0xc000745948 pc=0x8d4b65
github.com/google/syzkaller/pkg/flatrpc.Recv[...](0xc00022e1e0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:152 +0xb3 fp=0xc000745a40 sp=0xc0007459e0 pc=0xa1c6f3
main.(*FuzzerTool).handleConn(0xc0004e4960)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:222 +0x36 fp=0xc000745ae8 sp=0xc000745a40 pc=0xa19536
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:162 +0xec5 fp=0xc000745f40 sp=0xc000745ae8 pc=0xa19065
runtime.main()
	/usr/local/go/src/runtime/proc.go:267 +0x2bb fp=0xc000745fe0 sp=0xc000745f40 pc=0x43d1fb
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000745fe8 sp=0xc000745fe0 pc=0x46f7c1

goroutine 2 [force gc (idle), 2 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(0xff04a9?, 0x40ca83?, 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?, 0x1?, 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(0x31cf5e04bd?, 0xc0000402e0?, 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(0x31cf5e059b?, 0x2?, 0x23?, 0x97?, 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(0xc00053af88?, 0x3?, 0x28?, 0xb0?, 0xc00053af72?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00053ae18 sp=0xc00053adf8 pc=0x43d66e
runtime.selectgo(0xc00053af88, 0xc00053af6c, 0xc0000c2700?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc00053af38 sp=0xc00053ae18 pc=0x44dac5
go.opencensus.io/stats/view.(*worker).start(0xc0000c2700)
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0x9f fp=0xc00053afc8 sp=0xc00053af38 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=0xc00053afe0 sp=0xc00053afc8 pc=0x9f0bc5
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00053afe8 sp=0xc00053afe0 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, 2 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000053ef0 sp=0xc000053ed0 pc=0x43d66e
runtime.chanrecv(0xc00007e180, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000053f68 sp=0xc000053ef0 pc=0x4094ad
runtime.chanrecv1(0x0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000053f90 sp=0xc000053f68 pc=0x4090b2
main.main.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:76 +0x19 fp=0xc000053fe0 sp=0xc000053f90 pc=0xa190b9
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000053fe8 sp=0xc000053fe0 pc=0x46f7c1
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:74 +0x33b

goroutine 18 [chan receive, 2 minutes]:
runtime.gopark(0xc0000596e0?, 0x7990c5?, 0x1?, 0xb6?, 0xc000059758?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000596c8 sp=0xc0000596a8 pc=0x43d66e
runtime.chanrecv(0xc0002de9c0, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000059740 sp=0xc0000596c8 pc=0x4094ad
runtime.chanrecv1(0xc0002de9c0?, 0xc0000597b0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000059768 sp=0xc000059740 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=0xc0000597e0 sp=0xc000059768 pc=0x79a025
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/osutil.HandleInterrupts in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:74 +0x4f

goroutine 10 [chan receive]:
runtime.gopark(0xc00007a5a0?, 0xc00022e2d0?, 0xc0?, 0x12?, 0x8d43e0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000536f8 sp=0xc0000536d8 pc=0x43d66e
runtime.chanrecv(0xc00007a600, 0xc0000537b8, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000053770 sp=0xc0000536f8 pc=0x4094ad
runtime.chanrecv2(0xc0000a9ac0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:447 +0x12 fp=0xc000053798 sp=0xc000053770 pc=0x4090d2
github.com/google/syzkaller/pkg/stats.newSet.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:98 +0x66 fp=0xc0000537e0 sp=0xc000053798 pc=0x8d2f46
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/stats.newSet in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:97 +0xe5

goroutine 11 [select, 2 minutes, locked to thread]:
runtime.gopark(0xc000539fa8?, 0x2?, 0x9?, 0xd9?, 0xc000539f94?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000539e30 sp=0xc000539e10 pc=0x43d66e
runtime.selectgo(0xc000539fa8, 0xc000539f90, 0x0?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000539f50 sp=0xc000539e30 pc=0x44dac5
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1014 +0x192 fp=0xc000539fe0 sp=0xc000539f50 pc=0x4664f2
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000539fe8 sp=0xc000539fe0 pc=0x46f7c1
created by runtime.ensureSigM in goroutine 18
	/usr/local/go/src/runtime/signal_unix.go:997 +0xc8

goroutine 20 [IO wait, 2 minutes]:
runtime.gopark(0xc00053bc10?, 0x41013d?, 0x18?, 0xbc?, 0x4df99d?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00053bba8 sp=0xc00053bb88 pc=0x43d66e
runtime.netpollblock(0x7f7fb133ed18?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00053bbe0 sp=0xc00053bba8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb0fed990, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00053bc00 sp=0xc00053bbe0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0004f0000?, 0xc00053bce8?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00053bc28 sp=0xc00053bc00 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Accept(0xc0004f0000)
	/usr/local/go/src/internal/poll/fd_unix.go:611 +0x2ac fp=0xc00053bcd0 sp=0xc00053bc28 pc=0x4ddeec
net.(*netFD).accept(0xc0004f0000)
	/usr/local/go/src/net/fd_unix.go:172 +0x29 fp=0xc00053bd88 sp=0xc00053bcd0 pc=0x5bada9
net.(*TCPListener).accept(0xc00035c000)
	/usr/local/go/src/net/tcpsock_posix.go:152 +0x1e fp=0xc00053bdb0 sp=0xc00053bd88 pc=0x5d16de
net.(*TCPListener).Accept(0xc00035c000)
	/usr/local/go/src/net/tcpsock.go:315 +0x30 fp=0xc00053bde0 sp=0xc00053bdb0 pc=0x5d08d0
net/http.(*onceCloseListener).Accept(0xd67f30?)
	<autogenerated>:1 +0x24 fp=0xc00053bdf8 sp=0xc00053bde0 pc=0x6f1bc4
net/http.(*Server).Serve(0xc0004de000, {0xd67000, 0xc00035c000})
	/usr/local/go/src/net/http/server.go:3056 +0x364 fp=0xc00053bf28 sp=0xc00053bdf8 pc=0x6cf864
net/http.(*Server).ListenAndServe(0xc0004de000)
	/usr/local/go/src/net/http/server.go:2985 +0x71 fp=0xc00053bf58 sp=0xc00053bf28 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=0xc00053bfe0 sp=0xc00053bf58 pc=0xa1a4bd
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00053bfe8 sp=0xc00053bfe0 pc=0x46f7c1
created by main.setupPprofHandler in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:283 +0x37

goroutine 12 [syscall, 2 minutes]:
runtime.notetsleepg(0x10?, 0x0?)
	/usr/local/go/src/runtime/lock_sema.go:294 +0x29 fp=0xc000354fa0 sp=0xc000354f58 pc=0x40ea69
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x29 fp=0xc000354fc0 sp=0xc000354fa0 pc=0x46bf29
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x13 fp=0xc000354fe0 sp=0xc000354fc0 pc=0x7993f3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000354fe8 sp=0xc000354fe0 pc=0x46f7c1
created by os/signal.Notify.func1.1 in goroutine 18
	/usr/local/go/src/os/signal/signal.go:151 +0x1f

goroutine 36 [IO wait]:
runtime.gopark(0xc0006e7890?, 0xc0006e7890?, 0x7d?, 0xeb?, 0xc0006e78e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006e7878 sp=0xc0006e7858 pc=0x43d66e
runtime.netpollblock(0xc0001b0840?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0006e78b0 sp=0xc0006e7878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb0fed2c8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006e78d0 sp=0xc0006e78b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0006f04e0?, 0xc0001b0840?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006e78f8 sp=0xc0006e78d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0006f04e0, {0xc0001b0840, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0006e7990 sp=0xc0006e78f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000358350, {0xc0001b0840?, 0xc0006e7a08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0006e79d0 sp=0xc0006e7990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc000358350}, {0xc0001b0840, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0006e7a18 sp=0xc0006e79d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0004f0d80, 0xc000798948?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc0006e7bc0 sp=0xc0006e7a18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004f0180, 0x16c?, {0xc00009f500, 0x71, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0006e7c50 sp=0xc0006e7bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0004fe180, 0xc000490690, 0xc0006e7df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0006e7db8 sp=0xc0006e7c50 pc=0xa1b365
main.(*Proc).execute(0xc0004fe180?, 0xc000490690, 0xc000358468?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0006e7e00 sp=0xc0006e7db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0004fe180)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0006e7fc8 sp=0xc0006e7e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006e7fe0 sp=0xc0006e7fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006e7fe8 sp=0xc0006e7fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 37 [IO wait]:
runtime.gopark(0xc0006e5890?, 0xc0006e5890?, 0x7d?, 0xeb?, 0xc0006e58e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006e5878 sp=0xc0006e5858 pc=0x43d66e
runtime.netpollblock(0xc0004fa050?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0006e58b0 sp=0xc0006e5878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1047870, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006e58d0 sp=0xc0006e58b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000a44f00?, 0xc0004fa050?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006e58f8 sp=0xc0006e58d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000a44f00, {0xc0004fa050, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0006e5990 sp=0xc0006e58f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000378a18, {0xc0004fa050?, 0xc0006e5a08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0006e59d0 sp=0xc0006e5990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc000378a18}, {0xc0004fa050, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0006e5a18 sp=0xc0006e59d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0002e5180, 0xc000180cf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc0006e5bc0 sp=0xc0006e5a18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004f0200, 0x169?, {0xc0001ff200, 0x43b, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0006e5c50 sp=0xc0006e5bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0004fe198, 0xc0002d4620, 0xc0006e5df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0006e5db8 sp=0xc0006e5c50 pc=0xa1b365
main.(*Proc).execute(0xc0004fe198?, 0xc0002d4620, 0xc0003583e0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0006e5e00 sp=0xc0006e5db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0004fe198)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0006e5fc8 sp=0xc0006e5e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006e5fe0 sp=0xc0006e5fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006e5fe8 sp=0xc0006e5fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 38 [IO wait]:
runtime.gopark(0xc0006e3890?, 0xc0006e3890?, 0x7d?, 0xeb?, 0xc0006e38e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006e3878 sp=0xc0006e3858 pc=0x43d66e
runtime.netpollblock(0xc0004fa000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0006e38b0 sp=0xc0006e3878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1047398, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006e38d0 sp=0xc0006e38b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000a447e0?, 0xc0004fa000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006e38f8 sp=0xc0006e38d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000a447e0, {0xc0004fa000, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0006e3990 sp=0xc0006e38f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000378970, {0xc0004fa000?, 0xc0006e3a08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0006e39d0 sp=0xc0006e3990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc000378970}, {0xc0004fa000, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0006e3a18 sp=0xc0006e39d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0002e5000, 0xc000798a20?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc0006e3bc0 sp=0xc0006e3a18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004f0280, 0x170?, {0xc0000a7c00, 0x3bd, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0006e3c50 sp=0xc0006e3bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0004fe1b0, 0xc000490770, 0xc0006e3df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0006e3db8 sp=0xc0006e3c50 pc=0xa1b365
main.(*Proc).execute(0xc0004fe1b0?, 0xc000490770, 0xc000378050?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0006e3e00 sp=0xc0006e3db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0004fe1b0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0006e3fc8 sp=0xc0006e3e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006e3fe0 sp=0xc0006e3fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006e3fe8 sp=0xc0006e3fe0 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]:
runtime.gopark(0x0?, 0xc000749998?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000749978 sp=0xc000749958 pc=0x43d66e
runtime.chanrecv(0xc000a45560, 0xc000749b38, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0007499f0 sp=0xc000749978 pc=0x4094ad
runtime.chanrecv1(0xc000764b40?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000749a18 sp=0xc0007499f0 pc=0x4090b2
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0004f1000, 0xc0007983f0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:801 +0x698 fp=0xc000749bc0 sp=0xc000749a18 pc=0xa156d8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004f0300, 0x119?, {0xc00067b800, 0x3f8, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc000749c50 sp=0xc000749bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0004fe1c8, 0xc0002d44d0, 0xc000749df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc000749db8 sp=0xc000749c50 pc=0xa1b365
main.(*Proc).execute(0xc0004fe1c8?, 0xc0002d44d0, 0xc000358520?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc000749e00 sp=0xc000749db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0004fe1c8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc000749fc8 sp=0xc000749e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000749fe0 sp=0xc000749fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000749fe8 sp=0xc000749fe0 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(0xc0006e1978?, 0x2?, 0xc0?, 0x12?, 0xc0006e191c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006e17c0 sp=0xc0006e17a0 pc=0x43d66e
runtime.selectgo(0xc0006e1978, 0xc0006e1918, 0x20?, 0x0, 0x41d020?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0006e18e0 sp=0xc0006e17c0 pc=0x44dac5
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc0004f0600)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x1d3 fp=0xc0006e19a8 sp=0xc0006e18e0 pc=0xa14c73
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc0004f0380, 0xc000180e40, {0xbda86e?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:653 +0xc52 fp=0xc0006e1c20 sp=0xc0006e19a8 pc=0xa14352
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc0004f0380, 0xc000180e40)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:313 +0xce fp=0xc0006e1c50 sp=0xc0006e1c20 pc=0xa11ace
main.(*Proc).executeProgram(0xc0004fe1e0, 0xc0002d4700, 0xc0006e1df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:120 +0x6f fp=0xc0006e1db8 sp=0xc0006e1c50 pc=0xa1b2ef
main.(*Proc).execute(0xc0004fe1e0?, 0xc0002d4700, 0xc000358038?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0006e1e00 sp=0xc0006e1db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0004fe1e0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0006e1fc8 sp=0xc0006e1e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006e1fe0 sp=0xc0006e1fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006e1fe8 sp=0xc0006e1fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 619 [IO wait]:
runtime.gopark(0xc000352e18?, 0xc000352e18?, 0x7d?, 0xeb?, 0xc000352e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000352e00 sp=0xc000352de0 pc=0x43d66e
runtime.netpollblock(0xc000e00000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000352e38 sp=0xc000352e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb0fedb80, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000352e58 sp=0xc000352e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000a45320?, 0xc000e00000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000352e80 sp=0xc000352e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000a45320, {0xc000e00000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000352f18 sp=0xc000352e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000358548, {0xc000e00000?, 0x4c9fcf?, 0xc000352fb8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000352f58 sp=0xc000352f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0004f1000)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000352fc8 sp=0xc000352f58 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=0xc000352fe0 sp=0xc000352fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000352fe8 sp=0xc000352fe0 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 772 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x1247, 0xc000353e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000353e18 sp=0xc000353e08 pc=0x4beba9
os.wait6(0x416efc?, 0xc000353ec8?, 0x46b805?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000353e88 sp=0xc000353e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0006ef260)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000353eb8 sp=0xc000353e88 pc=0x4e9190
os.(*Process).wait(0xc0006ef260)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000353f18 sp=0xc000353eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000742dc0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000353f80 sp=0xc000353f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0002e5000)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000353fc8 sp=0xc000353f80 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=0xc000353fe0 sp=0xc000353fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000353fe8 sp=0xc000353fe0 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 626 [chan send]:
runtime.gopark(0x0?, 0xc0003506d8?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0003506b8 sp=0xc000350698 pc=0x43d66e
runtime.chansend(0xc000764ba0, 0xd538b0, 0x1, 0xc000350730?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc000350728 sp=0xc0003506b8 pc=0x408745
runtime.chansend1(0xc0003507b0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:145 +0x17 fp=0xc000350758 sp=0xc000350728 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=0xc0003507e0 sp=0xc000350758 pc=0xa15b5c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003507e8 sp=0xc0003507e0 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 803 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x15ea, 0xc000797e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000797e18 sp=0xc000797e08 pc=0x4beba9
os.wait6(0xc000376b60?, 0x408b00?, 0xc000376b60?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000797e88 sp=0xc000797e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0003b2510)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000797eb8 sp=0xc000797e88 pc=0x4e9190
os.(*Process).wait(0xc0003b2510)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000797f18 sp=0xc000797eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003b4160)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000797f80 sp=0xc000797f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004f0600)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000797fc8 sp=0xc000797f80 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=0xc000797fe0 sp=0xc000797fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000797fe8 sp=0xc000797fe0 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 804 [IO wait]:
runtime.gopark(0xc0003dcdd0?, 0xc0003dcdd0?, 0x7d?, 0xeb?, 0xc0003dce28?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0003dcdb8 sp=0xc0003dcd98 pc=0x43d66e
runtime.netpollblock(0xc0001b01e8?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0003dcdf0 sp=0xc0003dcdb8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb0fed4b8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0003dce10 sp=0xc0003dcdf0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0006f0f00?, 0xc0001b01e8?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0003dce38 sp=0xc0003dce10 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0006f0f00, {0xc0001b01e8, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0003dced0 sp=0xc0003dce38 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000358138, {0xc0001b01e8?, 0xc0003dcf48?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0003dcf10 sp=0xc0003dced0 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc000358138}, {0xc0001b01e8, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0003dcf58 sp=0xc0003dcf10 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=0xc0003dcfe0 sp=0xc0003dcf58 pc=0xa14d9e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003dcfe8 sp=0xc0003dcfe0 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

goroutine 789 [select]:
runtime.gopark(0xc000793fb0?, 0x2?, 0x0?, 0x18?, 0xc000793f8c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000793e38 sp=0xc000793e18 pc=0x43d66e
runtime.selectgo(0xc000793fb0, 0xc000793f88, 0xc0001b0468?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000793f58 sp=0xc000793e38 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=0xc000793fe0 sp=0xc000793f58 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000793fe8 sp=0xc000793fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 36
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 748 [IO wait]:
runtime.gopark(0xc000794618?, 0xc000794618?, 0x7d?, 0xeb?, 0xc000794670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000794600 sp=0xc0007945e0 pc=0x43d66e
runtime.netpollblock(0xc000db2000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000794638 sp=0xc000794600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1047588, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000794658 sp=0xc000794638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0006f0960?, 0xc000db2000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000794680 sp=0xc000794658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0006f0960, {0xc000db2000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000794718 sp=0xc000794680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0003583a0, {0xc000db2000?, 0x4c9fcf?, 0xc0007947b8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000794758 sp=0xc000794718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0004f0e80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0007947c8 sp=0xc000794758 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=0xc0007947e0 sp=0xc0007947c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007947e8 sp=0xc0007947e0 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 790 [select]:
runtime.gopark(0xc000796fb0?, 0x2?, 0x0?, 0xc?, 0xc000796f8c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000796e38 sp=0xc000796e18 pc=0x43d66e
runtime.selectgo(0xc000796fb0, 0xc000796f88, 0xc0004fa488?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000796f58 sp=0xc000796e38 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=0xc000796fe0 sp=0xc000796f58 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000796fe8 sp=0xc000796fe0 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 746 [runnable]:
syscall.Syscall6(0x1e1, 0x1, 0x153a, 0xc0003dde6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc0003dde18 sp=0xc0003dde08 pc=0x4beba9
os.wait6(0x416efc?, 0xc0003ddec8?, 0x46b805?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc0003dde88 sp=0xc0003dde18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0003b2b10)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0003ddeb8 sp=0xc0003dde88 pc=0x4e9190
os.(*Process).wait(0xc0003b2b10)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc0003ddf18 sp=0xc0003ddeb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003b4840)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0003ddf80 sp=0xc0003ddf18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004f0d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0003ddfc8 sp=0xc0003ddf80 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=0xc0003ddfe0 sp=0xc0003ddfc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003ddfe8 sp=0xc0003ddfe0 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 749 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0xef1, 0xc00035266c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000352618 sp=0xc000352608 pc=0x4beba9
os.wait6(0xc00010f400?, 0x43d66e?, 0x0?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000352688 sp=0xc000352618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0003b2db0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0003526b8 sp=0xc000352688 pc=0x4e9190
os.(*Process).wait(0xc0003b2db0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000352718 sp=0xc0003526b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003b49a0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000352780 sp=0xc000352718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004f0e80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0003527c8 sp=0xc000352780 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=0xc0003527e0 sp=0xc0003527c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003527e8 sp=0xc0003527e0 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:639 +0xc0d

goroutine 791 [select]:
runtime.gopark(0xc0007907b0?, 0x2?, 0x0?, 0x40?, 0xc00079078c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000790638 sp=0xc000790618 pc=0x43d66e
runtime.selectgo(0xc0007907b0, 0xc000790788, 0xc0004fa6b8?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000790758 sp=0xc000790638 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=0xc0007907e0 sp=0xc000790758 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007907e8 sp=0xc0007907e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 37
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 777 [IO wait]:
runtime.gopark(0xc000de4e18?, 0xc000de4e18?, 0x7d?, 0xeb?, 0xc000de4e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000de4e00 sp=0xc000de4de0 pc=0x43d66e
runtime.netpollblock(0xc000e6a000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000de4e38 sp=0xc000de4e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10472a0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000de4e58 sp=0xc000de4e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000a44e40?, 0xc000e6a000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000de4e80 sp=0xc000de4e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000a44e40, {0xc000e6a000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000de4f18 sp=0xc000de4e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000378a08, {0xc000e6a000?, 0x4c9fcf?, 0xc000de4fb8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000de4f58 sp=0xc000de4f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0002e5180)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000de4fc8 sp=0xc000de4f58 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=0xc000de4fe0 sp=0xc000de4fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000de4fe8 sp=0xc000de4fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 37
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 802 [IO wait]:
runtime.gopark(0xc000791618?, 0xc000791618?, 0x7d?, 0xeb?, 0xc000791670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000791600 sp=0xc0007915e0 pc=0x43d66e
runtime.netpollblock(0xc0005c2000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000791638 sp=0xc000791600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1047680, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000791658 sp=0xc000791638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0006f0e40?, 0xc0005c2000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000791680 sp=0xc000791658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0006f0e40, {0xc0005c2000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000791718 sp=0xc000791680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000358120, {0xc0005c2000?, 0x4c9fcf?, 0xc0007917b8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000791758 sp=0xc000791718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0004f0600)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0007917c8 sp=0xc000791758 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=0xc0007917e0 sp=0xc0007917c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007917e8 sp=0xc0007917e0 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 608 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0xe40, 0xc000de066c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000de0618 sp=0xc000de0608 pc=0x4beba9
os.wait6(0xc00029f400?, 0x43d66e?, 0x0?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000de0688 sp=0xc000de0618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0006ef380)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000de06b8 sp=0xc000de0688 pc=0x4e9190
os.(*Process).wait(0xc0006ef380)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000de0718 sp=0xc000de06b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0007429a0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000de0780 sp=0xc000de0718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004f1000)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000de07c8 sp=0xc000de0780 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=0xc000de07e0 sp=0xc000de07c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000de07e8 sp=0xc000de07e0 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 778 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0xe65, 0xc000de0e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000de0e18 sp=0xc000de0e08 pc=0x4beba9
os.wait6(0x416efc?, 0xc000de0ec8?, 0x46b805?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000de0e88 sp=0xc000de0e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0006ef4d0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000de0eb8 sp=0xc000de0e88 pc=0x4e9190
os.(*Process).wait(0xc0006ef4d0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000de0f18 sp=0xc000de0eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000742f20)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000de0f80 sp=0xc000de0f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0002e5180)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000de0fc8 sp=0xc000de0f80 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=0xc000de0fe0 sp=0xc000de0fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000de0fe8 sp=0xc000de0fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 37
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d