fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0x7f7fb0c2e000 pc=0x4709fc]

goroutine 37 [running]:
runtime.throw({0xbdc158?, 0x0?})
	/usr/local/go/src/runtime/panic.go:1077 +0x5c fp=0xc000775b58 sp=0xc000775b28 pc=0x43a81c
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:875 +0x285 fp=0xc000775bb8 sp=0xc000775b58 pc=0x451585
runtime.memmove()
	/usr/local/go/src/runtime/memmove_amd64.s:375 +0x43c fp=0xc000775bc0 sp=0xc000775bb8 pc=0x4709fc
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00054d680, 0x1f8?, {0xc0007f7500, 0x602a, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:247 +0x85 fp=0xc000775c50 sp=0xc000775bc0 pc=0xa11785
main.(*Proc).executeProgram(0xc0000104e0, 0xc0001e6b60, 0xc000775df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc000775db8 sp=0xc000775c50 pc=0xa1b365
main.(*Proc).execute(0xc0000104e0?, 0xc0001e6b60, 0xc0004fc138?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc000775e00 sp=0xc000775db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0000104e0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc000775fc8 sp=0xc000775e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000775fe0 sp=0xc000775fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000775fe8 sp=0xc000775fe0 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, 0xc000574000, 0x61af4)
	/usr/local/go/src/syscall/asm_unix_amd64.s:19 +0x9 fp=0xc000771750 sp=0xc000771740 pc=0x4beb49
syscall.read(0xc00054d600?, {0xc000574000?, 0x0?, 0x0?})
	/usr/local/go/src/syscall/zsyscall_netbsd_amd64.go:860 +0x45 fp=0xc0007717a8 sp=0xc000771750 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(0xc00054d600, {0xc000574000, 0x61af4, 0x62000})
	/usr/local/go/src/internal/poll/fd_unix.go:160 +0x2ae fp=0xc000771840 sp=0xc0007717a8 pc=0x4d9d2e
net.(*netFD).Read(0xc00054d600, {0xc000574000?, 0xc0003bac00?, 0x100c000380220?})
	/usr/local/go/src/net/fd_posix.go:55 +0x25 fp=0xc000771888 sp=0xc000771840 pc=0x5b8d85
net.(*conn).Read(0xc0000ac568, {0xc000574000?, 0xc0000105a0?, 0x18?})
	/usr/local/go/src/net/net.go:179 +0x45 fp=0xc0007718d0 sp=0xc000771888 pc=0x5c96a5
net.(*TCPConn).Read(0xc000771960?, {0xc000574000?, 0xc000771938?, 0x40dd4c?})
	<autogenerated>:1 +0x25 fp=0xc000771900 sp=0xc0007718d0 pc=0x5d9e05
io.ReadAtLeast({0x7f7fb10464d8, 0xc0000ac568}, {0xc000574000, 0x61af4, 0x62000}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000771948 sp=0xc000771900 pc=0x4b4a50
github.com/google/syzkaller/pkg/flatrpc.(*Conn).recv(0xc000552140, 0xc000574004?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:178 +0x1a5 fp=0xc0007719e0 sp=0xc000771948 pc=0x8d4b65
github.com/google/syzkaller/pkg/flatrpc.Recv[...](0xc000552140)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:152 +0xb3 fp=0xc000771a40 sp=0xc0007719e0 pc=0xa1c6f3
main.(*FuzzerTool).handleConn(0xc00054a960)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:222 +0x36 fp=0xc000771ae8 sp=0xc000771a40 pc=0xa19536
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:162 +0xec5 fp=0xc000771f40 sp=0xc000771ae8 pc=0xa19065
runtime.main()
	/usr/local/go/src/runtime/proc.go:267 +0x2bb fp=0xc000771fe0 sp=0xc000771f40 pc=0x43d1fb
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000771fe8 sp=0xc000771fe0 pc=0x46f7c1

goroutine 2 [force gc (idle), 4 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(0x1406001?, 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(0x14a1e0f?, 0x2e8b29?, 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 17 [finalizer wait]:
runtime.gopark(0x0?, 0xcaad20?, 0x80?, 0xa0?, 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
[ 322.2609724] WARNING: defaulted mmap() share type to MAP_SHARED (pid 6330 command syz-executor.1)
	/usr/local/go/src/runtime/mfinal.go:163 +0x3d

goroutine 18 [GC worker (idle)]:
runtime.gopark(0xcaae58?, 0xc000040020?, 0x1a?, 0x14?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000052750 sp=0xc000052730 pc=0x43d66e
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1293 +0xe5 fp=0xc0000527e0 sp=0xc000052750 pc=0x41f025
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x46f7c1
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 19 [GC worker (idle)]:
runtime.gopark(0x46ed04751f?, 0x2?, 0xbf?, 0x39?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000052f50 sp=0xc000052f30 pc=0x43d66e
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1293 +0xe5 fp=0xc000052fe0 sp=0xc000052f50 pc=0x41f025
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000052fe8 sp=0xc000052fe0 pc=0x46f7c1
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 20 [select]:
runtime.gopark(0xc000054788?, 0x3?, 0xd0?, 0x83?, 0xc000054772?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000054618 sp=0xc0000545f8 pc=0x43d66e
runtime.selectgo(0xc000054788, 0xc00005476c, 0xc0000de700?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000054738 sp=0xc000054618 pc=0x44dac5
go.opencensus.io/stats/view.(*worker).start(0xc0000de700)
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0x9f fp=0xc0000547c8 sp=0xc000054738 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=0xc0000547e0 sp=0xc0000547c8 pc=0x9f0bc5
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000547e8 sp=0xc0000547e0 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 22 [syscall, 4 minutes]:
runtime.notetsleepg(0x44471c?, 0xc000053fd0?)
	/usr/local/go/src/runtime/lock_sema.go:294 +0x29 fp=0xc000053fa0 sp=0xc000053f58 pc=0x40ea69
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x29 fp=0xc000053fc0 sp=0xc000053fa0 pc=0x46bf29
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x13 fp=0xc000053fe0 sp=0xc000053fc0 pc=0x7993f3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000053fe8 sp=0xc000053fe0 pc=0x46f7c1
created by os/signal.Notify.func1.1 in goroutine 8
	/usr/local/go/src/os/signal/signal.go:151 +0x1f

goroutine 21 [select, 4 minutes, locked to thread]:
runtime.gopark(0xc0003d8fa8?, 0x2?, 0x9?, 0xd9?, 0xc0003d8f94?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0003d8e30 sp=0xc0003d8e10 pc=0x43d66e
runtime.selectgo(0xc0003d8fa8, 0xc0003d8f90, 0x0?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0003d8f50 sp=0xc0003d8e30 pc=0x44dac5
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1014 +0x192 fp=0xc0003d8fe0 sp=0xc0003d8f50 pc=0x4664f2
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003d8fe8 sp=0xc0003d8fe0 pc=0x46f7c1
created by runtime.ensureSigM in goroutine 8
	/usr/local/go/src/runtime/signal_unix.go:997 +0xc8

goroutine 7 [chan receive]:
runtime.gopark(0xc00007a000?, 0xc0005520f0?, 0x98?, 0x70?, 0x8d43e0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000556f8 sp=0xc0000556d8 pc=0x43d66e
runtime.chanrecv(0xc00007a480, 0xc0000557b8, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000055770 sp=0xc0000556f8 pc=0x4094ad
runtime.chanrecv2(0xc000309000?, 0x0?)
	/usr/local/go/src/runtime/chan.go:447 +0x12 fp=0xc000055798 sp=0xc000055770 pc=0x4090d2
github.com/google/syzkaller/pkg/stats.newSet.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:98 +0x66 fp=0xc0000557e0 sp=0xc000055798 pc=0x8d2f46
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/stats.newSet in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:97 +0xe5

goroutine 8 [chan receive, 4 minutes]:
runtime.gopark(0xc0003cb6e0?, 0x7990c5?, 0x1?, 0xb6?, 0xc0003cb758?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0003cb6c8 sp=0xc0003cb6a8 pc=0x43d66e
runtime.chanrecv(0xc00007a4e0, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0003cb740 sp=0xc0003cb6c8 pc=0x4094ad
runtime.chanrecv1(0xc00007a4e0?, 0xc0003cb7b0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc0003cb768 sp=0xc0003cb740 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=0xc0003cb7e0 sp=0xc0003cb768 pc=0x79a025
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003cb7e8 sp=0xc0003cb7e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/osutil.HandleInterrupts in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:74 +0x4f

goroutine 9 [chan receive, 4 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0003cbef0 sp=0xc0003cbed0 pc=0x43d66e
runtime.chanrecv(0xc000092180, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0003cbf68 sp=0xc0003cbef0 pc=0x4094ad
runtime.chanrecv1(0x0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc0003cbf90 sp=0xc0003cbf68 pc=0x4090b2
main.main.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:76 +0x19 fp=0xc0003cbfe0 sp=0xc0003cbf90 pc=0xa190b9
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003cbfe8 sp=0xc0003cbfe0 pc=0x46f7c1
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:74 +0x33b

goroutine 10 [IO wait, 4 minutes]:
runtime.gopark(0xc0003d9c10?, 0x40ffe5?, 0x18?, 0x9c?, 0x4df99d?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0003d9ba8 sp=0xc0003d9b88 pc=0x43d66e
runtime.netpollblock(0x7f7fb132b850?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0003d9be0 sp=0xc0003d9ba8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1045e10, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0003d9c00 sp=0xc0003d9be0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0000de000?, 0xc0003d9ce8?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0003d9c28 sp=0xc0003d9c00 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Accept(0xc0000de000)
	/usr/local/go/src/internal/poll/fd_unix.go:611 +0x2ac fp=0xc0003d9cd0 sp=0xc0003d9c28 pc=0x4ddeec
net.(*netFD).accept(0xc0000de000)
	/usr/local/go/src/net/fd_unix.go:172 +0x29 fp=0xc0003d9d88 sp=0xc0003d9cd0 pc=0x5bada9
net.(*TCPListener).accept(0xc000380000)
	/usr/local/go/src/net/tcpsock_posix.go:152 +0x1e fp=0xc0003d9db0 sp=0xc0003d9d88 pc=0x5d16de
net.(*TCPListener).Accept(0xc000380000)
	/usr/local/go/src/net/tcpsock.go:315 +0x30 fp=0xc0003d9de0 sp=0xc0003d9db0 pc=0x5d08d0
net/http.(*onceCloseListener).Accept(0xd67f30?)
	<autogenerated>:1 +0x24 fp=0xc0003d9df8 sp=0xc0003d9de0 pc=0x6f1bc4
net/http.(*Server).Serve(0xc0003fc000, {0xd67000, 0xc000380000})
	/usr/local/go/src/net/http/server.go:3056 +0x364 fp=0xc0003d9f28 sp=0xc0003d9df8 pc=0x6cf864
net/http.(*Server).ListenAndServe(0xc0003fc000)
	/usr/local/go/src/net/http/server.go:2985 +0x71 fp=0xc0003d9f58 sp=0xc0003d9f28 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=0xc0003d9fe0 sp=0xc0003d9f58 pc=0xa1a4bd
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003d9fe8 sp=0xc0003d9fe0 pc=0x46f7c1
created by main.setupPprofHandler in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:283 +0x37

goroutine 873 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x1280, 0xc000058e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000058e18 sp=0xc000058e08 pc=0x4beba9
os.wait6(0xc00005d000?, 0x43d66e?, 0x0?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000058e88 sp=0xc000058e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0007e81e0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000058eb8 sp=0xc000058e88 pc=0x4e9190
os.(*Process).wait(0xc0007e81e0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000058f18 sp=0xc000058eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000874000)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000058f80 sp=0xc000058f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc00054c080)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000058fc8 sp=0xc000058f80 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=0xc000058fe0 sp=0xc000058fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000058fe8 sp=0xc000058fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 40
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 38 [IO wait]:
runtime.gopark(0xc0006e9890?, 0xc0006e9890?, 0x7d?, 0xeb?, 0xc0006e98e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0006e9878 sp=0xc0006e9858 pc=0x43d66e
runtime.netpollblock(0xc0001ec0f0?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0006e98b0 sp=0xc0006e9878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10a3e28, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0006e98d0 sp=0xc0006e98b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0007c22a0?, 0xc0001ec0f0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0006e98f8 sp=0xc0006e98d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0007c22a0, {0xc0001ec0f0, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0006e9990 sp=0xc0006e98f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000ac578, {0xc0001ec0f0?, 0xc0006e9a08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0006e99d0 sp=0xc0006e9990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc0000ac578}, {0xc0001ec0f0, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0006e9a18 sp=0xc0006e99d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0000de180, 0xc000412498?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc0006e9bc0 sp=0xc0006e9a18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00054d700, 0x1f2?, {0xc0007d6140, 0x13b, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0006e9c50 sp=0xc0006e9bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0000104f8, 0xc00054e620, 0xc0006e9df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0006e9db8 sp=0xc0006e9c50 pc=0xa1b365
main.(*Proc).execute(0xc0000104f8?, 0xc00054e620, 0xc0004fc060?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0006e9e00 sp=0xc0006e9db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0000104f8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0006e9fc8 sp=0xc0006e9e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0006e9fe0 sp=0xc0006e9fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006e9fe8 sp=0xc0006e9fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 39 [IO wait]:
runtime.gopark(0xc0007e5890?, 0xc0007e5890?, 0x7d?, 0xeb?, 0xc0007e58e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007e5878 sp=0xc0007e5858 pc=0x43d66e
runtime.netpollblock(0xc0003420a0?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0007e58b0 sp=0xc0007e5878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10a49c8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0007e58d0 sp=0xc0007e58b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0007c3740?, 0xc0003420a0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0007e58f8 sp=0xc0007e58d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0007c3740, {0xc0003420a0, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0007e5990 sp=0xc0007e58f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000ac7b0, {0xc0003420a0?, 0xc0007e5a08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0007e59d0 sp=0xc0007e5990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc0000ac7b0}, {0xc0003420a0, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0007e5a18 sp=0xc0007e59d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc00054c780, 0xc000038e10?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc0007e5bc0 sp=0xc0007e5a18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00054d780, 0x1f7?, {0xc000570a00, 0x4db, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0007e5c50 sp=0xc0007e5bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000010510, 0xc0001e6af0, 0xc0007e5df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0007e5db8 sp=0xc0007e5c50 pc=0xa1b365
main.(*Proc).execute(0xc000010510?, 0xc0001e6af0, 0xc0000ac5c8?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0007e5e00 sp=0xc0007e5db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010510)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0007e5fc8 sp=0xc0007e5e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0007e5fe0 sp=0xc0007e5fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007e5fe8 sp=0xc0007e5fe0 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(0xc000773978?, 0x2?, 0x60?, 0x9?, 0xc00077391c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007737c0 sp=0xc0007737a0 pc=0x43d66e
runtime.selectgo(0xc000773978, 0xc000773918, 0x20?, 0x0, 0x41d020?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0007738e0 sp=0xc0007737c0 pc=0x44dac5
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc00054c080)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x1d3 fp=0xc0007739a8 sp=0xc0007738e0 pc=0xa14c73
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc00054d800, 0xc000038c30, {0xbda86e?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:653 +0xc52 fp=0xc000773c20 sp=0xc0007739a8 pc=0xa14352
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc00054d800, 0xc000038c30)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:313 +0xce fp=0xc000773c50 sp=0xc000773c20 pc=0xa11ace
main.(*Proc).executeProgram(0xc000010528, 0xc0001e67e0, 0xc000773df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:120 +0x6f fp=0xc000773db8 sp=0xc000773c50 pc=0xa1b2ef
main.(*Proc).execute(0xc000010528?, 0xc0001e67e0, 0xc0004fc388?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc000773e00 sp=0xc000773db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010528)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc000773fc8 sp=0xc000773e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000773fe0 sp=0xc000773fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000773fe8 sp=0xc000773fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 41 [select]:
runtime.gopark(0xc000777978?, 0x2?, 0x20?, 0x1c?, 0xc00077791c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007777c0 sp=0xc0007777a0 pc=0x43d66e
runtime.selectgo(0xc000777978, 0xc000777918, 0x20?, 0x0, 0x41d020?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0007778e0 sp=0xc0007777c0 pc=0x44dac5
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc00054c200)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x1d3 fp=0xc0007779a8 sp=0xc0007778e0 pc=0xa14c73
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc00054d880, 0xc000038de0, {0xbda86e?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:653 +0xc52 fp=0xc000777c20 sp=0xc0007779a8 pc=0xa14352
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc00054d880, 0xc000038de0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:313 +0xce fp=0xc000777c50 sp=0xc000777c20 pc=0xa11ace
main.(*Proc).executeProgram(0xc000010540, 0xc0001e6a10, 0xc000777df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:120 +0x6f fp=0xc000777db8 sp=0xc000777c50 pc=0xa1b2ef
main.(*Proc).execute(0xc000010540?, 0xc0001e6a10, 0xc0004fc0a0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc000777e00 sp=0xc000777db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010540)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc000777fc8 sp=0xc000777e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000777fe0 sp=0xc000777fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000777fe8 sp=0xc000777fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 42 [IO wait]:
runtime.gopark(0xc0007e1890?, 0xc0007e1890?, 0x7d?, 0xeb?, 0xc0007e18e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007e1878 sp=0xc0007e1858 pc=0x43d66e
runtime.netpollblock(0xc0003422c0?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0007e18b0 sp=0xc0007e1878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1045558, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0007e18d0 sp=0xc0007e18b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0004119e0?, 0xc0003422c0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0007e18f8 sp=0xc0007e18d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0004119e0, {0xc0003422c0, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0007e1990 sp=0xc0007e18f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000ac758, {0xc0003422c0?, 0xc0007e1a08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0007e19d0 sp=0xc0007e1990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc0000ac758}, {0xc0003422c0, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0007e1a18 sp=0xc0007e19d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc00054c580, 0xc000412570?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc0007e1bc0 sp=0xc0007e1a18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00054d900, 0x1ce?, {0xc00019e580, 0x2b2, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0007e1c50 sp=0xc0007e1bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000010558, 0xc00054e700, 0xc0007e1df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0007e1db8 sp=0xc0007e1c50 pc=0xa1b365
main.(*Proc).execute(0xc000010558?, 0xc00054e700, 0xc0000ac840?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0007e1e00 sp=0xc0007e1db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010558)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0007e1fc8 sp=0xc0007e1e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0007e1fe0 sp=0xc0007e1fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007e1fe8 sp=0xc0007e1fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 858 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x173d, 0xc0003c4e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc0003c4e18 sp=0xc0003c4e08 pc=0x4beba9
os.wait6(0x416efc?, 0xc0003c4ec8?, 0x46b805?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc0003c4e88 sp=0xc0003c4e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0007e89f0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0003c4eb8 sp=0xc0003c4e88 pc=0x4e9190
os.(*Process).wait(0xc0007e89f0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc0003c4f18 sp=0xc0003c4eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003be2c0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0003c4f80 sp=0xc0003c4f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0000dec80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0003c4fc8 sp=0xc0003c4f80 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=0xc0003c4fe0 sp=0xc0003c4fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003c4fe8 sp=0xc0003c4fe0 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 880 [select]:
runtime.gopark(0xc0003707b0?, 0x2?, 0xe0?, 0x27?, 0xc00037078c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000370638 sp=0xc000370618 pc=0x43d66e
runtime.selectgo(0xc0003707b0, 0xc000370788, 0xc000342058?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000370758 sp=0xc000370638 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=0xc0003707e0 sp=0xc000370758 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003707e8 sp=0xc0003707e0 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 879 [IO wait]:
runtime.gopark(0xc00036f5d0?, 0xc00036f5d0?, 0x7d?, 0xeb?, 0xc00036f628?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00036f5b8 sp=0xc00036f598 pc=0x43d66e
runtime.netpollblock(0xc0001ec0e8?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00036f5f0 sp=0xc00036f5b8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1045b28, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00036f610 sp=0xc00036f5f0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000411680?, 0xc0001ec0e8?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00036f638 sp=0xc00036f610 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000411680, {0xc0001ec0e8, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00036f6d0 sp=0xc00036f638 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0004fc0d8, {0xc0001ec0e8?, 0xc00036f748?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc00036f710 sp=0xc00036f6d0 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc0004fc0d8}, {0xc0001ec0e8, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc00036f758 sp=0xc00036f710 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=0xc00036f7e0 sp=0xc00036f758 pc=0xa14d9e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00036f7e8 sp=0xc00036f7e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 41
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:690 +0x14d

goroutine 847 [IO wait]:
runtime.gopark(0xc0009f2618?, 0xc0009f2618?, 0x7d?, 0xeb?, 0xc0009f2670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0009f2600 sp=0xc0009f25e0 pc=0x43d66e
runtime.netpollblock(0xc0009f4000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0009f2638 sp=0xc0009f2600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10a47d8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0009f2658 sp=0xc0009f2638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0007c3680?, 0xc0009f4000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0009f2680 sp=0xc0009f2658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0007c3680, {0xc0009f4000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0009f2718 sp=0xc0009f2680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000ac788, {0xc0009f4000?, 0x4c9fcf?, 0xc0009f27b8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0009f2758 sp=0xc0009f2718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc00054c780)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0009f27c8 sp=0xc0009f2758 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=0xc0009f27e0 sp=0xc0009f27c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009f27e8 sp=0xc0009f27e0 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 818 [select]:
runtime.gopark(0xc0009eefb0?, 0x2?, 0x48?, 0x22?, 0xc0009eef8c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0009eee38 sp=0xc0009eee18 pc=0x43d66e
runtime.selectgo(0xc0009eefb0, 0xc0009eef88, 0xc000342200?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0009eef58 sp=0xc0009eee38 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=0xc0009eefe0 sp=0xc0009eef58 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009eefe8 sp=0xc0009eefe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 42
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 877 [IO wait]:
runtime.gopark(0xc0009ef618?, 0xc0009ef618?, 0x7d?, 0xeb?, 0xc0009ef670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0009ef600 sp=0xc0009ef5e0 pc=0x43d66e
runtime.netpollblock(0xc0005fc000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0009ef638 sp=0xc0009ef600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10a46e0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0009ef658 sp=0xc0009ef638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0004115c0?, 0xc0005fc000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0009ef680 sp=0xc0009ef658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0004115c0, {0xc0005fc000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0009ef718 sp=0xc0009ef680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0004fc0c8, {0xc0005fc000?, 0x4c9fcf?, 0xc0009ef7b8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0009ef758 sp=0xc0009ef718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc00054c200)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0009ef7c8 sp=0xc0009ef758 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=0xc0009ef7e0 sp=0xc0009ef7c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009ef7e8 sp=0xc0009ef7e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 41
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 779 [IO wait]:
runtime.gopark(0xc0009efe18?, 0xc0009efe18?, 0x7d?, 0xeb?, 0xc0009efe70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0009efe00 sp=0xc0009efde0 pc=0x43d66e
runtime.netpollblock(0xc0007b0628?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0009efe38 sp=0xc0009efe00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1045840, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0009efe58 sp=0xc0009efe38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000411920?, 0xc0007b0628?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0009efe80 sp=0xc0009efe58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000411920, {0xc0007b0628, 0xf9d8, 0xf9d8})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0009eff18 sp=0xc0009efe80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000ac748, {0xc0007b0628?, 0xc000342028?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0009eff58 sp=0xc0009eff18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc00054c580)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0009effc8 sp=0xc0009eff58 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=0xc0009effe0 sp=0xc0009effc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009effe8 sp=0xc0009effe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 42
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 883 [select]:
runtime.gopark(0xc0009ecfb0?, 0x2?, 0x40?, 0x28?, 0xc0009ecf8c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0009ece38 sp=0xc0009ece18 pc=0x43d66e
runtime.selectgo(0xc0009ecfb0, 0xc0009ecf88, 0xc0003422d0?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0009ecf58 sp=0xc0009ece38 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=0xc0009ecfe0 sp=0xc0009ecf58 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009ecfe8 sp=0xc0009ecfe0 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 862 [IO wait]:
runtime.gopark(0xc0009ed618?, 0xc0009ed618?, 0x7d?, 0xeb?, 0xc0009ed670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0009ed600 sp=0xc0009ed5e0 pc=0x43d66e
runtime.netpollblock(0xc00051e000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0009ed638 sp=0xc0009ed600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1045d18, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0009ed658 sp=0xc0009ed638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0007c21e0?, 0xc00051e000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0009ed680 sp=0xc0009ed658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0007c21e0, {0xc00051e000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0009ed718 sp=0xc0009ed680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000ac558, {0xc00051e000?, 0xc0003421d8?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0009ed758 sp=0xc0009ed718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0000de180)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0009ed7c8 sp=0xc0009ed758 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=0xc0009ed7e0 sp=0xc0009ed7c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009ed7e8 sp=0xc0009ed7e0 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 856 [IO wait]:
runtime.gopark(0xc0009ee618?, 0xc0009ee618?, 0x7d?, 0xeb?, 0xc0009ee670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0009ee600 sp=0xc0009ee5e0 pc=0x43d66e
runtime.netpollblock(0xc000b80000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0009ee638 sp=0xc0009ee600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1045748, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0009ee658 sp=0xc0009ee638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000410a20?, 0xc000b80000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0009ee680 sp=0xc0009ee658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000410a20, {0xc000b80000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0009ee718 sp=0xc0009ee680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0004fc300, {0xc000b80000?, 0x4c9fcf?, 0xc0009ee7b8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0009ee758 sp=0xc0009ee718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0000dec80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0009ee7c8 sp=0xc0009ee758 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=0xc0009ee7e0 sp=0xc0009ee7c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009ee7e8 sp=0xc0009ee7e0 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 848 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x15bb, 0xc000452e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000452e18 sp=0xc000452e08 pc=0x4beba9
os.wait6(0xc00005d000?, 0x43d66e?, 0x0?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000452e88 sp=0xc000452e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc00003aab0)
[ 323.9409690] tap4: detached
[ 324.1609673] uhub2: device problem, disabling port 1
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000452eb8 sp=0xc000452e88 pc=0x4e9190
os.(*Process).wait(0xc00003aab0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000452f18 sp=0xc000452eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000874580)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000452f80 sp=0xc000452f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc00054c780)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000452fc8 sp=0xc000452f80 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=0xc000452fe0 sp=0xc000452fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000452fe8 sp=0xc000452fe0 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 874 [IO wait]:
runtime.gopark(0xc0004535d0?, 0xc0004535d0?, 0x7d?, 0xeb?, 0xc000453628?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0004535b8 sp=0xc000453598 pc=0x43d66e
runtime.netpollblock(0xc0001ec02c?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0004535f0 sp=0xc0004535b8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10460f8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000453610 sp=0xc0004535f0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000410600?, 0xc0001ec02c?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000453638 sp=0xc000453610 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000410600, {0xc0001ec02c, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0004536d0 sp=0xc000453638 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0004fc038, {0xc0001ec02c?, 0xc000453748?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000453710 sp=0xc0004536d0 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc0004fc038}, {0xc0001ec02c, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000453758 sp=0xc000453710 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=0xc0004537e0 sp=0xc000453758 pc=0xa14d9e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004537e8 sp=0xc0004537e0 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 863 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x139b, 0xc000453e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000453e18 sp=0xc000453e08 pc=0x4beba9
os.wait6(0x1406c20?, 0x8000000000000000?, 0x3ed8de8947?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000453e88 sp=0xc000453e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc00003a300)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000453eb8 sp=0xc000453e88 pc=0x4e9190
os.(*Process).wait(0xc00003a300)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000453f18 sp=0xc000453eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003be580)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000453f80 sp=0xc000453f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0000de180)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000453fc8 sp=0xc000453f80 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=0xc000453fe0 sp=0xc000453fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000453fe8 sp=0xc000453fe0 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 780 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x1191, 0xc0009ec66c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc0009ec618 sp=0xc0009ec608 pc=0x4beba9
os.wait6(0x1406c20?, 0x8000000000000000?, 0x3a5d542119?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc0009ec688 sp=0xc0009ec618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc00003a870)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0009ec6b8 sp=0xc0009ec688 pc=0x4e9190
os.(*Process).wait(0xc00003a870)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc0009ec718 sp=0xc0009ec6b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003be420)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0009ec780 sp=0xc0009ec718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc00054c580)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0009ec7c8 sp=0xc0009ec780 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=0xc0009ec7e0 sp=0xc0009ec7c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009ec7e8 sp=0xc0009ec7e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 42
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 878 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x18ec, 0xc000450e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000450e18 sp=0xc000450e08 pc=0x4beba9
os.wait6(0x416efc?, 0xc000450ec8?, 0x46b805?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000450e88 sp=0xc000450e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc0007e84e0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000450eb8 sp=0xc000450e88 pc=0x4e9190
os.(*Process).wait(0xc0007e84e0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000450f18 sp=0xc000450eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000874160)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000450f80 sp=0xc000450f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc00054c200)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000450fc8 sp=0xc000450f80 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=0xc000450fe0 sp=0xc000450fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000450fe8 sp=0xc000450fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 41
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 872 [IO wait]:
runtime.gopark(0xc000451618?, 0xc000451618?, 0x7d?, 0xeb?, 0xc000451670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000451600 sp=0xc0004515e0 pc=0x43d66e
runtime.netpollblock(0xc0004fe000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000451638 sp=0xc000451600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb10a4208, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000451658 sp=0xc000451638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000410540?, 0xc0004fe000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000451680 sp=0xc000451658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000410540, {0xc0004fe000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000451718 sp=0xc000451680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0004fc028, {0xc0004fe000?, 0xc0001ec280?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000451758 sp=0xc000451718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc00054c080)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0004517c8 sp=0xc000451758 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=0xc0004517e0 sp=0xc0004517c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004517e8 sp=0xc0004517e0 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