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

goroutine 38 [running]:
runtime.throw({0xbdc158?, 0x0?})
	/usr/local/go/src/runtime/panic.go:1077 +0x5c fp=0xc0006a7b58 sp=0xc0006a7b28 pc=0x43a81c
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:875 +0x285 fp=0xc0006a7bb8 sp=0xc0006a7b58 pc=0x451585
runtime.memmove()
	/usr/local/go/src/runtime/memmove_amd64.s:375 +0x43c fp=0xc0006a7bc0 sp=0xc0006a7bb8 pc=0x4709fc
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004bf680, 0x1bc?, {0xc000b92000, 0x7361, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:247 +0x85 fp=0xc0006a7c50 sp=0xc0006a7bc0 pc=0xa11785
main.(*Proc).executeProgram(0xc000304540, 0xc0000fb420, 0xc0006a7df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0006a7db8 sp=0xc0006a7c50 pc=0xa1b365
main.(*Proc).execute(0xc000304540?, 0xc0000fb420, 0xc00005ad80?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0006a7e00 sp=0xc0006a7db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000304540)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0006a7fc8 sp=0xc0006a7e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006a7fe0 sp=0xc0006a7fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006a7fe8 sp=0xc0006a7fe0 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(0xc00076f740?, 0xc00076f740?, 0x7d?, 0xeb?, 0xc00076f798?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00076f728 sp=0xc00076f708 pc=0x43d66e
runtime.netpollblock(0xc000540000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00076f760 sp=0xc00076f728 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1047868, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00076f780 sp=0xc00076f760 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0004bf380?, 0xc000540000?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00076f7a8 sp=0xc00076f780 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0004bf380, {0xc000540000, 0x61af4, 0x62000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00076f840 sp=0xc00076f7a8 pc=0x4d9cfa
net.(*netFD).Read(0xc0004bf380, {0xc000540000?, 0x14076e0?, 0x100c0002cd340?})
	/usr/local/go/src/net/fd_posix.go:55 +0x25 fp=0xc00076f888 sp=0xc00076f840 pc=0x5b8d85
net.(*conn).Read(0xc000301bc8, {0xc000540000?, 0xc0003059c8?, 0x18?})
	/usr/local/go/src/net/net.go:179 +0x45 fp=0xc00076f8d0 sp=0xc00076f888 pc=0x5c96a5
net.(*TCPConn).Read(0xc00076f960?, {0xc000540000?, 0xc00076f938?, 0x40dd4c?})
	<autogenerated>:1 +0x25 fp=0xc00076f900 sp=0xc00076f8d0 pc=0x5d9e05
io.ReadAtLeast({0x7f7fb1047a58, 0xc000301bc8}, {0xc000540000, 0x61af4, 0x62000}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc00076f948 sp=0xc00076f900 pc=0x4b4a50
github.com/google/syzkaller/pkg/flatrpc.(*Conn).recv(0xc000316140, 0xc000540004?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:178 +0x1a5 fp=0xc00076f9e0 sp=0xc00076f948 pc=0x8d4b65
github.com/google/syzkaller/pkg/flatrpc.Recv[...](0xc000316140)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:152 +0xb3 fp=0xc00076fa40 sp=0xc00076f9e0 pc=0xa1c6f3
main.(*FuzzerTool).handleConn(0xc00044f0e0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:222 +0x36 fp=0xc00076fae8 sp=0xc00076fa40 pc=0xa19536
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:162 +0xec5 fp=0xc00076ff40 sp=0xc00076fae8 pc=0xa19065
runtime.main()
	/usr/local/go/src/runtime/proc.go:267 +0x2bb fp=0xc00076ffe0 sp=0xc00076ff40 pc=0x43d1fb
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00076ffe8 sp=0xc00076ffe0 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(0x1f836d?, 0x6bb14?, 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?, 0x20?, 0x2?, 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(0x2fd5dfc1b8?, 0x2?, 0xde?, 0xee?, 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(0x2fd5dff45c?, 0xc00044a020?, 0x1a?, 0x14?, 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(0xc000053788?, 0x3?, 0xe8?, 0x1?, 0xc000053772?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000053618 sp=0xc0000535f8 pc=0x43d66e
runtime.selectgo(0xc000053788, 0xc00005376c, 0xc0000c2680?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000053738 sp=0xc000053618 pc=0x44dac5
go.opencensus.io/stats/view.(*worker).start(0xc0000c2680)
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0x9f fp=0xc0000537c8 sp=0xc000053738 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=0xc0000537e0 sp=0xc0000537c8 pc=0x9f0bc5
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 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]:
runtime.gopark(0xc0000eac00?, 0xc000316280?, 0xd0?, 0x8?, 0x8d43e0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000053ef8 sp=0xc000053ed8 pc=0x43d66e
runtime.chanrecv(0xc0000eaba0, 0xc000053fb8, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000053f70 sp=0xc000053ef8 pc=0x4094ad
runtime.chanrecv2(0xc000450100?, 0x44471c?)
	/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 20 [chan receive, 3 minutes]:
runtime.gopark(0xc0000526e0?, 0x7990c5?, 0x1?, 0xb6?, 0xc000052758?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000526c8 sp=0xc0000526a8 pc=0x43d66e
runtime.chanrecv(0xc0000eaae0, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000052740 sp=0xc0000526c8 pc=0x4094ad
runtime.chanrecv1(0xc0000eaae0?, 0xc0000527b0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000052768 sp=0xc000052740 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=0xc0000527e0 sp=0xc000052768 pc=0x79a025
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 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 [select, 3 minutes, locked to thread]:
runtime.gopark(0xc00033efa8?, 0x2?, 0x9?, 0xd9?, 0xc00033ef94?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00033ee30 sp=0xc00033ee10 pc=0x43d66e
runtime.selectgo(0xc00033efa8, 0xc00033ef90, 0x0?, 0x0, 0x504d554a5f465042?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc00033ef50 sp=0xc00033ee30 pc=0x44dac5
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1014 +0x192 fp=0xc00033efe0 sp=0xc00033ef50 pc=0x4664f2
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00033efe8 sp=0xc00033efe0 pc=0x46f7c1
created by runtime.ensureSigM in goroutine 20
	/usr/local/go/src/runtime/signal_unix.go:997 +0xc8

goroutine 21 [chan receive, 3 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000052ef0 sp=0xc000052ed0 pc=0x43d66e
runtime.chanrecv(0xc00007e180, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000052f68 sp=0xc000052ef0 pc=0x4094ad
runtime.chanrecv1(0x0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000052f90 sp=0xc000052f68 pc=0x4090b2
main.main.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:76 +0x19 fp=0xc000052fe0 sp=0xc000052f90 pc=0xa190b9
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000052fe8 sp=0xc000052fe0 pc=0x46f7c1
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:74 +0x33b

goroutine 10 [syscall, 3 minutes]:
runtime.notetsleepg(0x6d6974202f2f202c?, 0x6572635f64667265?)
	/usr/local/go/src/runtime/lock_sema.go:294 +0x29 fp=0xc0003267a0 sp=0xc000326758 pc=0x40ea69
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x29 fp=0xc0003267c0 sp=0xc0003267a0 pc=0x46bf29
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x13 fp=0xc0003267e0 sp=0xc0003267c0 pc=0x7993f3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003267e8 sp=0xc0003267e0 pc=0x46f7c1
created by os/signal.Notify.func1.1 in goroutine 20
	/usr/local/go/src/os/signal/signal.go:151 +0x1f

goroutine 22 [IO wait, 3 minutes]:
runtime.gopark(0xc00033fc10?, 0x40ffe5?, 0x18?, 0xfc?, 0x4df99d?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00033fba8 sp=0xc00033fb88 pc=0x43d66e
runtime.netpollblock(0x7f7fb11aadb0?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00033fbe0 sp=0xc00033fba8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1047390, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00033fc00 sp=0xc00033fbe0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0000c2000?, 0xc00033fce8?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00033fc28 sp=0xc00033fc00 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=0xc00033fcd0 sp=0xc00033fc28 pc=0x4ddeec
net.(*netFD).accept(0xc0000c2000)
	/usr/local/go/src/net/fd_unix.go:172 +0x29 fp=0xc00033fd88 sp=0xc00033fcd0 pc=0x5bada9
net.(*TCPListener).accept(0xc000320000)
	/usr/local/go/src/net/tcpsock_posix.go:152 +0x1e fp=0xc00033fdb0 sp=0xc00033fd88 pc=0x5d16de
net.(*TCPListener).Accept(0xc000320000)
	/usr/local/go/src/net/tcpsock.go:315 +0x30 fp=0xc00033fde0 sp=0xc00033fdb0 pc=0x5d08d0
net/http.(*onceCloseListener).Accept(0xd67f30?)
	<autogenerated>:1 +0x24 fp=0xc00033fdf8 sp=0xc00033fde0 pc=0x6f1bc4
net/http.(*Server).Serve(0xc00047c1e0, {0xd67000, 0xc000320000})
	/usr/local/go/src/net/http/server.go:3056 +0x364 fp=0xc00033ff28 sp=0xc00033fdf8 pc=0x6cf864
net/http.(*Server).ListenAndServe(0xc00047c1e0)
	/usr/local/go/src/net/http/server.go:2985 +0x71 fp=0xc00033ff58 sp=0xc00033ff28 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=0xc00033ffe0 sp=0xc00033ff58 pc=0xa1a4bd
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00033ffe8 sp=0xc00033ffe0 pc=0x46f7c1
created by main.setupPprofHandler in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:283 +0x37

goroutine 33 [IO wait]:
runtime.gopark(0xc0006a5890?, 0xc0006a5890?, 0x7d?, 0xeb?, 0xc0006a58e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006a5878 sp=0xc0006a5858 pc=0x43d66e
runtime.netpollblock(0xc000484640?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0006a58b0 sp=0xc0006a5878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1095d68, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006a58d0 sp=0xc0006a58b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0003073e0?, 0xc000484640?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006a58f8 sp=0xc0006a58d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0003073e0, {0xc000484640, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0006a5990 sp=0xc0006a58f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000301d10, {0xc000484640?, 0xc0006a5a08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0006a59d0 sp=0xc0006a5990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc000301d10}, {0xc000484640, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0006a5a18 sp=0xc0006a59d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0003ae000, 0xc00030cf30?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc0006a5bc0 sp=0xc0006a5a18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004bf400, 0x1bb?, {0xc00031aa00, 0x147e, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0006a5c50 sp=0xc0006a5bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0003044c8, 0xc0000fb3b0, 0xc0006a5df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0006a5db8 sp=0xc0006a5c50 pc=0xa1b365
main.(*Proc).execute(0xc0003044c8?, 0xc0000fb3b0, 0xc00005ad60?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0006a5e00 sp=0xc0006a5db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0003044c8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0006a5fc8 sp=0xc0006a5e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006a5fe0 sp=0xc0006a5fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006a5fe8 sp=0xc0006a5fe0 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(0xc00076d890?, 0xc00076d890?, 0x7d?, 0xeb?, 0xc00076d8e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00076d878 sp=0xc00076d858 pc=0x43d66e
runtime.netpollblock(0xc000012d80?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00076d8b0 sp=0xc00076d878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10471a0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00076d8d0 sp=0xc00076d8b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000306d80?, 0xc000012d80?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00076d8f8 sp=0xc00076d8d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000306d80, {0xc000012d80, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00076d990 sp=0xc00076d8f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000301c08, {0xc000012d80?, 0xc00076da08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc00076d9d0 sp=0xc00076d990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc000301c08}, {0xc000012d80, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc00076da18 sp=0xc00076d9d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0000c3d80, 0xc00030cc30?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc00076dbc0 sp=0xc00076da18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004bf600, 0x1ae?, {0xc0002dc310, 0x68, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc00076dc50 sp=0xc00076dbc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000304528, 0xc0000faf50, 0xc00076ddf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc00076ddb8 sp=0xc00076dc50 pc=0xa1b365
main.(*Proc).execute(0xc000304528?, 0xc0000faf50, 0xc000301d50?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc00076de00 sp=0xc00076ddb8 pc=0xa1b1b3
main.(*Proc).loop(0xc000304528)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc00076dfc8 sp=0xc00076de00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc00076dfe0 sp=0xc00076dfc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00076dfe8 sp=0xc00076dfe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 36 [chan receive, 2 minutes]:
runtime.gopark(0x0?, 0xc00033b998?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00033b978 sp=0xc00033b958 pc=0x43d66e
runtime.chanrecv(0xc000306060, 0xc00033bb38, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc00033b9f0 sp=0xc00033b978 pc=0x4094ad
runtime.chanrecv1(0xc0003dc480?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc00033ba18 sp=0xc00033b9f0 pc=0x4090b2
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0004be400, 0xc00030c0f0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:801 +0x698 fp=0xc00033bbc0 sp=0xc00033ba18 pc=0xa156d8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004bf580, 0x4?, {0xc0002d0000, 0x1acd, 0x19905738?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc00033bc50 sp=0xc00033bbc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000304510, 0xc0000faa10, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc00033bdb8 sp=0xc00033bc50 pc=0xa1b365
main.(*Proc).execute(0xc000304510?, 0xc0000faa10, 0x44d270?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc00033be00 sp=0xc00033bdb8 pc=0xa1b1b3
main.(*Proc).loop(0xc000304510)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc00033bfc8 sp=0xc00033be00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc00033bfe0 sp=0xc00033bfc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00033bfe8 sp=0xc00033bfe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 35 [IO wait]:
runtime.gopark(0xc0006a3890?, 0xc0006a3890?, 0x7d?, 0xeb?, 0xc0006a38e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006a3878 sp=0xc0006a3858 pc=0x43d66e
runtime.netpollblock(0xc000012e54?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0006a38b0 sp=0xc0006a3878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1047678, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006a38d0 sp=0xc0006a38b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000a58420?, 0xc000012e54?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006a38f8 sp=0xc0006a38d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000a58420, {0xc000012e54, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0006a3990 sp=0xc0006a38f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00005a580, {0xc000012e54?, 0xc0006a3a08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0006a39d0 sp=0xc0006a3990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc00005a580}, {0xc000012e54, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0006a3a18 sp=0xc0006a39d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0004be500, 0xc00030cf18?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc0006a3bc0 sp=0xc0006a3a18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004bf500, 0x1ba?, {0xc000bee460, 0xdb, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0006a3c50 sp=0xc0006a3bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0003044f8, 0xc0000fb2d0, 0xc0006a3df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0006a3db8 sp=0xc0006a3c50 pc=0xa1b365
main.(*Proc).execute(0xc0003044f8?, 0xc0000fb2d0, 0xc000301dc0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0006a3e00 sp=0xc0006a3db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0003044f8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0006a3fc8 sp=0xc0006a3e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006a3fe0 sp=0xc0006a3fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006a3fe8 sp=0xc0006a3fe0 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?, 0xc0006a1998?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006a1978 sp=0xc0006a1958 pc=0x43d66e
runtime.chanrecv(0xc000723860, 0xc0006a1b38, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0006a19f0 sp=0xc0006a1978 pc=0x4094ad
runtime.chanrecv1(0xc0003dcfc0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc0006a1a18 sp=0xc0006a19f0 pc=0x4090b2
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0000c2780, 0xc00030c378?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:801 +0x698 fp=0xc0006a1bc0 sp=0xc0006a1a18 pc=0xa156d8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc0004bf480, 0x16e?, {0xc000225b00, 0x8b9, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0006a1c50 sp=0xc0006a1bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0003044e0, 0xc0000fad90, 0xc0006a1df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0006a1db8 sp=0xc0006a1c50 pc=0xa1b365
main.(*Proc).execute(0xc0003044e0?, 0xc0000fad90, 0xc00005a8c0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0006a1e00 sp=0xc0006a1db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0003044e0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0006a1fc8 sp=0xc0006a1e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006a1fe0 sp=0xc0006a1fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006a1fe8 sp=0xc0006a1fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 831 [select]:
runtime.gopark(0xc0003227b0?, 0x2?, 0xe0?, 0x76?, 0xc00032278c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000322638 sp=0xc000322618 pc=0x43d66e
runtime.selectgo(0xc0003227b0, 0xc000322788, 0x4c9fcf?, 0x0, 0x1d?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000322758 sp=0xc000322638 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=0xc0003227e0 sp=0xc000322758 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003227e8 sp=0xc0003227e0 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 853 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x1258, 0xc00032866c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000328618 sp=0xc000328608 pc=0x4beba9
os.wait6(0x1406c20?, 0x8000000000000000?, 0x2ad2a9bde7?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000328688 sp=0xc000328618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc000178960)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0003286b8 sp=0xc000328688 pc=0x4e9190
os.(*Process).wait(0xc000178960)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000328718 sp=0xc0003286b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000194420)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000328780 sp=0xc000328718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004bef00)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0003287c8 sp=0xc000328780 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=0xc0003287e0 sp=0xc0003287c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003287e8 sp=0xc0003287e0 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 55 [IO wait, 3 minutes]:
runtime.gopark(0xc000322e18?, 0xc000322e18?, 0x7d?, 0xeb?, 0xc000322e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000322e00 sp=0xc000322de0 pc=0x43d66e
runtime.netpollblock(0xc0005e205d?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000322e38 sp=0xc000322e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1095c70, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000322e58 sp=0xc000322e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0004c3ec0?, 0xc0005e205d?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000322e80 sp=0xc000322e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0004c3ec0, {0xc0005e205d, 0x1ffa3, 0x1ffa3})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000322f18 sp=0xc000322e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00005a540, {0xc0005e205d?, 0x6863662f2f202c29?, 0x5f4650420a646f6d?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000322f58 sp=0xc000322f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0004be400)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000322fc8 sp=0xc000322f58 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=0xc000322fe0 sp=0xc000322fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000322fe8 sp=0xc000322fe0 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 855 [select]:
runtime.gopark(0xc0000547b0?, 0x2?, 0xe0?, 0x79?, 0xc00005478c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000054638 sp=0xc000054618 pc=0x43d66e
runtime.selectgo(0xc0000547b0, 0xc000054788, 0x4c9fcf?, 0x0, 0xa145ba?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000054758 sp=0xc000054638 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=0xc0000547e0 sp=0xc000054758 pc=0xa15af7
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/ipc.(*command).exec in goroutine 35
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 42 [syscall, 3 minutes]:
syscall.Syscall6(0x1e1, 0x1, 0x4b5, 0xc00005566c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000055618 sp=0xc000055608 pc=0x4beba9
os.wait6(0x0?, 0x416efc?, 0xffffffffffffffff?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000055688 sp=0xc000055618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0001783c0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0000556b8 sp=0xc000055688 pc=0x4e9190
os.(*Process).wait(0xc0001783c0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000055718 sp=0xc0000556b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000253a20)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000055780 sp=0xc000055718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004be400)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0000557c8 sp=0xc000055780 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=0xc0000557e0 sp=0xc0000557c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000557e8 sp=0xc0000557e0 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 768 [IO wait]:
runtime.gopark(0xc0004cee18?, 0xc0004cee18?, 0x7d?, 0xeb?, 0xc0004cee70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0004cee00 sp=0xc0004cede0 pc=0x43d66e
runtime.netpollblock(0xc0006f03c9?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0004cee38 sp=0xc0004cee00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1046dc0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0004cee58 sp=0xc0004cee38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000a58360?, 0xc0006f03c9?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0004cee80 sp=0xc0004cee58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000a58360, {0xc0006f03c9, 0x1fc37, 0x1fc37})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0004cef18 sp=0xc0004cee80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00005a528, {0xc0006f03c9?, 0x4c9fcf?, 0xc0004cefb8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0004cef58 sp=0xc0004cef18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0004be500)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0004cefc8 sp=0xc0004cef58 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=0xc0004cefe0 sp=0xc0004cefc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004cefe8 sp=0xc0004cefe0 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 63 [chan send, 2 minutes]:
runtime.gopark(0xcaadd8?, 0xc0003dc538?, 0xf?, 0x16?, 0x2?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0004caeb8 sp=0xc0004cae98 pc=0x43d66e
runtime.chansend(0xc0003dc4e0, 0xd538b0, 0x1, 0xc0004caf30?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc0004caf28 sp=0xc0004caeb8 pc=0x408745
runtime.chansend1(0xc0004cafb0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:145 +0x17 fp=0xc0004caf58 sp=0xc0004caf28 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=0xc0004cafe0 sp=0xc0004caf58 pc=0xa15b5c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004cafe8 sp=0xc0004cafe0 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 731 [chan send]:
runtime.gopark(0x0?, 0xc0004cd6d8?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0004cd6b8 sp=0xc0004cd698 pc=0x43d66e
runtime.chansend(0xc0003dd020, 0xd538b0, 0x1, 0xc0004cd730?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc0004cd728 sp=0xc0004cd6b8 pc=0x408745
runtime.chansend1(0xc0004cd7b0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:145 +0x17 fp=0xc0004cd758 sp=0xc0004cd728 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=0xc0004cd7e0 sp=0xc0004cd758 pc=0xa15b5c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004cd7e8 sp=0xc0004cd7e0 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 801 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0xd85, 0xc0004ce66c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc0004ce618 sp=0xc0004ce608 pc=0x4beba9
os.wait6(0xc00005cc00?, 0x43d66e?, 0x0?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc0004ce688 sp=0xc0004ce618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc000178270)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0004ce6b8 sp=0xc0004ce688 pc=0x4e9190
os.(*Process).wait(0xc000178270)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc0004ce718 sp=0xc0004ce6b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000194000)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0004ce780 sp=0xc0004ce718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0004be500)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0004ce7c8 sp=0xc0004ce780 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=0xc0004ce7e0 sp=0xc0004ce7c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004ce7e8 sp=0xc0004ce7e0 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 705 [IO wait]:
runtime.gopark(0xc000324e18?, 0xc000324e18?, 0x7d?, 0xeb?, 0xc000324e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000324e00 sp=0xc000324de0 pc=0x43d66e
runtime.netpollblock(0xc0006a8000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000324e38 sp=0xc000324e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1047580, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000324e58 sp=0xc000324e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0007235c0?, 0xc0006a8000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000324e80 sp=0xc000324e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0007235c0, {0xc0006a8000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000324f18 sp=0xc000324e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000300240, {0xc0006a8000?, 0xc000484238?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000324f58 sp=0xc000324f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0000c2780)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000324fc8 sp=0xc000324f58 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=0xc000324fe0 sp=0xc000324fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000324fe8 sp=0xc000324fe0 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 823 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0xef4, 0xc0006ece6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc0006ece18 sp=0xc0006ece08 pc=0x4beba9
os.wait6(0xc0002ce000?, 0x408b00?, 0xc0002ce000?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc0006ece88 sp=0xc0006ece18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0004e56e0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0006eceb8 sp=0xc0006ece88 pc=0x4e9190
os.(*Process).wait(0xc0004e56e0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc0006ecf18 sp=0xc0006eceb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0006eedc0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0006ecf80 sp=0xc0006ecf18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0000c3d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0006ecfc8 sp=0xc0006ecf80 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=0xc0006ecfe0 sp=0xc0006ecfc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006ecfe8 sp=0xc0006ecfe0 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

goroutine 841 [IO wait]:
runtime.gopark(0xc0006ec618?, 0xc0006ec618?, 0x7d?, 0xeb?, 0xc0006ec670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006ec600 sp=0xc0006ec5e0 pc=0x43d66e
runtime.netpollblock(0xc000f58000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0006ec638 sp=0xc0006ec600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1047960, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006ec658 sp=0xc0006ec638 pc=0x469f85
internal/poll.(*pollDesc).wait(0x15?, 0xc000f58000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006ec680 sp=0xc0006ec658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000a59e60, {0xc000f58000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0006ec718 sp=0xc0006ec680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00005acc0, {0xc000f58000?, 0xc000012b28?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0006ec758 sp=0xc0006ec718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0004bef00)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0006ec7c8 sp=0xc0006ec758 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=0xc0006ec7e0 sp=0xc0006ec7c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006ec7e8 sp=0xc0006ec7e0 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:611 +0xa05

goroutine 829 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0xf8b, 0xc0004c9e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc0004c9e18 sp=0xc0004c9e08 pc=0x4beba9
os.wait6(0xc000441380?, 0x408b00?, 0xc000441380?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc0004c9e88 sp=0xc0004c9e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0004e5980)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0004c9eb8 sp=0xc0004c9e88 pc=0x4e9190
os.(*Process).wait(0xc0004e5980)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc0004c9f18 sp=0xc0004c9eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0006eef20)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0004c9f80 sp=0xc0004c9f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0003ae000)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0004c9fc8 sp=0xc0004c9f80 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=0xc0004c9fe0 sp=0xc0004c9fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004c9fe8 sp=0xc0004c9fe0 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:639 +0xc0d

goroutine 822 [IO wait]:
runtime.gopark(0xc0006e8e18?, 0xc0006e8e18?, 0x7d?, 0xeb?, 0xc0006e8e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006e8e00 sp=0xc0006e8de0 pc=0x43d66e
runtime.netpollblock(0xc000bf2000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0006e8e38 sp=0xc0006e8e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1047770, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006e8e58 sp=0xc0006e8e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000306cc0?, 0xc000bf2000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006e8e80 sp=0xc0006e8e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000306cc0, {0xc000bf2000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0006e8f18 sp=0xc0006e8e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000301bf8, {0xc000bf2000?, 0x4c9fcf?, 0xc0006e8fb8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0006e8f58 sp=0xc0006e8f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0000c3d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0006e8fc8 sp=0xc0006e8f58 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=0xc0006e8fe0 sp=0xc0006e8fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006e8fe8 sp=0xc0006e8fe0 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 844 [select]:
runtime.gopark(0xc0006e97b0?, 0x2?, 0x40?, 0x7a?, 0xc0006e978c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006e9638 sp=0xc0006e9618 pc=0x43d66e
runtime.selectgo(0xc0006e97b0, 0xc0006e9788, 0xc000484498?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0006e9758 sp=0xc0006e9638 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=0xc0006e97e0 sp=0xc0006e9758 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006e97e8 sp=0xc0006e97e0 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