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

goroutine 11 [running]:
runtime.throw({0xbdc158?, 0x0?})
	/usr/local/go/src/runtime/panic.go:1077 +0x5c fp=0xc000ea9b58 sp=0xc000ea9b28 pc=0x43a81c
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:875 +0x285 fp=0xc000ea9bb8 sp=0xc000ea9b58 pc=0x451585
runtime.memmove()
	/usr/local/go/src/runtime/memmove_amd64.s:375 +0x43c fp=0xc000ea9bc0 sp=0xc000ea9bb8 pc=0x4709fc
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00007c080, 0x28b?, {0xc000a19500, 0x5458, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:247 +0x85 fp=0xc000ea9c50 sp=0xc000ea9bc0 pc=0xa11785
main.(*Proc).executeProgram(0xc000010270, 0xc0003320e0, 0xc000ea9df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc000ea9db8 sp=0xc000ea9c50 pc=0xa1b365
main.(*Proc).execute(0xc000010270?, 0xc0003320e0, 0xc00032c190?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc000ea9e00 sp=0xc000ea9db8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010270)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc000ea9fc8 sp=0xc000ea9e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000ea9fe0 sp=0xc000ea9fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000ea9fe8 sp=0xc000ea9fe0 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, 0xc000600000, 0x61af4)
	/usr/local/go/src/syscall/asm_unix_amd64.s:19 +0x9 fp=0xc000ead750 sp=0xc000ead740 pc=0x4beb49
syscall.read(0xc0003c7600?, {0xc000600000?, 0x5500?, 0xc000ead7f8?})
	/usr/local/go/src/syscall/zsyscall_netbsd_amd64.go:860 +0x45 fp=0xc000ead7a8 sp=0xc000ead750 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(0xc0003c7600, {0xc000600000, 0x61af4, 0x62000})
	/usr/local/go/src/internal/poll/fd_unix.go:160 +0x2ae fp=0xc000ead840 sp=0xc000ead7a8 pc=0x4d9d2e
net.(*netFD).Read(0xc0003c7600, {0xc000600000?, 0x14076e0?, 0x100c000320660?})
	/usr/local/go/src/net/fd_posix.go:55 +0x25 fp=0xc000ead888 sp=0xc000ead840 pc=0x5b8d85
net.(*conn).Read(0xc00032c088, {0xc000600000?, 0xc000010b40?, 0x18?})
	/usr/local/go/src/net/net.go:179 +0x45 fp=0xc000ead8d0 sp=0xc000ead888 pc=0x5c96a5
net.(*TCPConn).Read(0xc000ead960?, {0xc000600000?, 0xc000ead938?, 0x40dd4c?})
	<autogenerated>:1 +0x25 fp=0xc000ead900 sp=0xc000ead8d0 pc=0x5d9e05
io.ReadAtLeast({0x7f7fb1088d98, 0xc00032c088}, {0xc000600000, 0x61af4, 0x62000}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000ead948 sp=0xc000ead900 pc=0x4b4a50
github.com/google/syzkaller/pkg/flatrpc.(*Conn).recv(0xc0000fe0f0, 0xc000600004?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:178 +0x1a5 fp=0xc000ead9e0 sp=0xc000ead948 pc=0x8d4b65
github.com/google/syzkaller/pkg/flatrpc.Recv[...](0xc0000fe0f0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:152 +0xb3 fp=0xc000eada40 sp=0xc000ead9e0 pc=0xa1c6f3
main.(*FuzzerTool).handleConn(0xc00012c780)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:222 +0x36 fp=0xc000eadae8 sp=0xc000eada40 pc=0xa19536
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:162 +0xec5 fp=0xc000eadf40 sp=0xc000eadae8 pc=0xa19065
runtime.main()
	/usr/local/go/src/runtime/proc.go:267 +0x2bb fp=0xc000eadfe0 sp=0xc000eadf40 pc=0x43d1fb
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000eadfe8 sp=0xc000eadfe0 pc=0x46f7c1

goroutine 2 [force gc (idle), 14 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(0x118d278?, 0x72ede?, 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?, 0xc0?, 0x27?, 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 18 [GC worker (idle)]:
runtime.gopark(0xd010594454?, 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(0xcaae58?, 0xc000040040?, 0x1a?, 0x14?, 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(0xc000059788?, 0x3?, 0x3?, 0x0?, 0xc000059772?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000059618 sp=0xc0000595f8 pc=0x43d66e
runtime.selectgo(0xc000059788, 0xc00005976c, 0xc00007c400?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000059738 sp=0xc000059618 pc=0x44dac5
go.opencensus.io/stats/view.(*worker).start(0xc00007c400)
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0x9f fp=0xc0000597c8 sp=0xc000059738 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=0xc0000597e0 sp=0xc0000597c8 pc=0x9f0bc5
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000597e8 sp=0xc0000597e0 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 [chan receive, 14 minutes]:
runtime.gopark(0xc0000586e0?, 0x7990c5?, 0x1?, 0xb6?, 0xc000058758?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000586c8 sp=0xc0000586a8 pc=0x43d66e
runtime.chanrecv(0xc00046aea0, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000058740 sp=0xc0000586c8 pc=0x4094ad
runtime.chanrecv1(0xc00046aea0?, 0xc0000587b0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000058768 sp=0xc000058740 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=0xc0000587e0 sp=0xc000058768 pc=0x79a025
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000587e8 sp=0xc0000587e0 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 6 [chan receive]:
runtime.gopark(0xc00007a660?, 0xc000090c30?, 0xc0?, 0x6f?, 0x8d43e0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000058ef8 sp=0xc000058ed8 pc=0x43d66e
runtime.chanrecv(0xc00007a6c0, 0xc000058fb8, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000058f70 sp=0xc000058ef8 pc=0x4094ad
runtime.chanrecv2(0xc0003ae2c0?, 0x44471c?)
	/usr/local/go/src/runtime/chan.go:447 +0x12 fp=0xc000058f98 sp=0xc000058f70 pc=0x4090d2
github.com/google/syzkaller/pkg/stats.newSet.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:98 +0x66 fp=0xc000058fe0 sp=0xc000058f98 pc=0x8d2f46
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/stats.newSet in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/stats/set.go:97 +0xe5

goroutine 7 [select, 14 minutes, locked to thread]:
runtime.gopark(0xc0004ccfa8?, 0x2?, 0x9?, 0xd9?, 0xc0004ccf94?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0004cce30 sp=0xc0004cce10 pc=0x43d66e
runtime.selectgo(0xc0004ccfa8, 0xc0004ccf90, 0x0?, 0x0, 0x7665645f6464615f?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0004ccf50 sp=0xc0004cce30 pc=0x44dac5
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1014 +0x192 fp=0xc0004ccfe0 sp=0xc0004ccf50 pc=0x4664f2
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004ccfe8 sp=0xc0004ccfe0 pc=0x46f7c1
created by runtime.ensureSigM in goroutine 22
	/usr/local/go/src/runtime/signal_unix.go:997 +0xc8

goroutine 23 [chan receive, 14 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000059ef0 sp=0xc000059ed0 pc=0x43d66e
runtime.chanrecv(0xc000092180, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000059f68 sp=0xc000059ef0 pc=0x4094ad
runtime.chanrecv1(0x0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000059f90 sp=0xc000059f68 pc=0x4090b2
main.main.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:76 +0x19 fp=0xc000059fe0 sp=0xc000059f90 pc=0xa190b9
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000059fe8 sp=0xc000059fe0 pc=0x46f7c1
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:74 +0x33b

goroutine 8 [syscall, 14 minutes]:
runtime.notetsleepg(0x6b6e696c74656e09?, 0x6c6e287473656e5f?)
	/usr/local/go/src/runtime/lock_sema.go:294 +0x29 fp=0xc0003947a0 sp=0xc000394758 pc=0x40ea69
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x29 fp=0xc0003947c0 sp=0xc0003947a0 pc=0x46bf29
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x13 fp=0xc0003947e0 sp=0xc0003947c0 pc=0x7993f3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003947e8 sp=0xc0003947e0 pc=0x46f7c1
created by os/signal.Notify.func1.1 in goroutine 22
	/usr/local/go/src/os/signal/signal.go:151 +0x1f

goroutine 24 [IO wait, 14 minutes]:
runtime.gopark(0xc0004cdc10?, 0x40ffe5?, 0x18?, 0xdc?, 0x4df99d?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0004cdba8 sp=0xc0004cdb88 pc=0x43d66e
runtime.netpollblock(0x7f7fb132b850?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0004cdbe0 sp=0xc0004cdba8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1088880, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0004cdc00 sp=0xc0004cdbe0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc00007c000?, 0xc0004cdce8?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0004cdc28 sp=0xc0004cdc00 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Accept(0xc00007c000)
	/usr/local/go/src/internal/poll/fd_unix.go:611 +0x2ac fp=0xc0004cdcd0 sp=0xc0004cdc28 pc=0x4ddeec
net.(*netFD).accept(0xc00007c000)
	/usr/local/go/src/net/fd_unix.go:172 +0x29 fp=0xc0004cdd88 sp=0xc0004cdcd0 pc=0x5bada9
net.(*TCPListener).accept(0xc00047e000)
	/usr/local/go/src/net/tcpsock_posix.go:152 +0x1e fp=0xc0004cddb0 sp=0xc0004cdd88 pc=0x5d16de
net.(*TCPListener).Accept(0xc00047e000)
	/usr/local/go/src/net/tcpsock.go:315 +0x30 fp=0xc0004cdde0 sp=0xc0004cddb0 pc=0x5d08d0
net/http.(*onceCloseListener).Accept(0xd67f30?)
	<autogenerated>:1 +0x24 fp=0xc0004cddf8 sp=0xc0004cdde0 pc=0x6f1bc4
net/http.(*Server).Serve(0xc00037e000, {0xd67000, 0xc00047e000})
	/usr/local/go/src/net/http/server.go:3056 +0x364 fp=0xc0004cdf28 sp=0xc0004cddf8 pc=0x6cf864
net/http.(*Server).ListenAndServe(0xc00037e000)
	/usr/local/go/src/net/http/server.go:2985 +0x71 fp=0xc0004cdf58 sp=0xc0004cdf28 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=0xc0004cdfe0 sp=0xc0004cdf58 pc=0xa1a4bd
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004cdfe8 sp=0xc0004cdfe0 pc=0x46f7c1
created by main.setupPprofHandler in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:283 +0x37

goroutine 13 [select]:
runtime.gopark(0xc0007bd978?, 0x2?, 0x20?, 0x7?, 0xc0007bd91c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007bd7c0 sp=0xc0007bd7a0 pc=0x43d66e
runtime.selectgo(0xc0007bd978, 0xc0007bd918, 0x20?, 0x0, 0x41d020?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0007bd8e0 sp=0xc0007bd7c0 pc=0x44dac5
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc0003c6d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x1d3 fp=0xc0007bd9a8 sp=0xc0007bd8e0 pc=0xa14c73
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand(0xc00007c180, 0xc000792288, {0xbda86e?, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:653 +0xc52 fp=0xc0007bdc20 sp=0xc0007bd9a8 pc=0xa14352
github.com/google/syzkaller/pkg/ipc.(*Env).RestartIfNeeded(0xc00007c180, 0xc000792288)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:313 +0xce fp=0xc0007bdc50 sp=0xc0007bdc20 pc=0xa11ace
main.(*Proc).executeProgram(0xc0000102a0, 0xc0003e23f0, 0xc0007bddf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:120 +0x6f fp=0xc0007bddb8 sp=0xc0007bdc50 pc=0xa1b2ef
main.(*Proc).execute(0xc0000102a0?, 0xc0003e23f0, 0xc00038e848?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0007bde00 sp=0xc0007bddb8 pc=0xa1b1b3
main.(*Proc).loop(0xc0000102a0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0007bdfc8 sp=0xc0007bde00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0007bdfe0 sp=0xc0007bdfc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007bdfe8 sp=0xc0007bdfe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 15 [IO wait]:
runtime.gopark(0xc000eaf890?, 0xc000eaf890?, 0x7d?, 0xeb?, 0xc000eaf8e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000eaf878 sp=0xc000eaf858 pc=0x43d66e
runtime.netpollblock(0xc00084e200?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000eaf8b0 sp=0xc000eaf878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb104eee0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000eaf8d0 sp=0xc000eaf8b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000880180?, 0xc00084e200?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000eaf8f8 sp=0xc000eaf8d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000880180, {0xc00084e200, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000eaf990 sp=0xc000eaf8f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00032c0e0, {0xc00084e200?, 0xc000eafa08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000eaf9d0 sp=0xc000eaf990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc00032c0e0}, {0xc00084e200, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000eafa18 sp=0xc000eaf9d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc00007c680, 0xc0000cd380?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc000eafbc0 sp=0xc000eafa18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00007c280, 0x289?, {0xc000852a00, 0x4b7, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc000eafc50 sp=0xc000eafbc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0000102d0, 0xc000332070, 0xc000eafdf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc000eafdb8 sp=0xc000eafc50 pc=0xa1b365
main.(*Proc).execute(0xc0000102d0?, 0xc000332070, 0xc00038e7d0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc000eafe00 sp=0xc000eafdb8 pc=0xa1b1b3
main.(*Proc).loop(0xc0000102d0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc000eaffc8 sp=0xc000eafe00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc000eaffe0 sp=0xc000eaffc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000eaffe8 sp=0xc000eaffe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 387 [chan send, 11 minutes]:
runtime.gopark(0x0?, 0xc0000546d8?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000546b8 sp=0xc000054698 pc=0x43d66e
runtime.chansend(0xc0000f4b40, 0xd538b0, 0x1, 0xc000054730?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc000054728 sp=0xc0000546b8 pc=0x408745
runtime.chansend1(0xc0000547b0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:145 +0x17 fp=0xc000054758 sp=0xc000054728 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=0xc0000547e0 sp=0xc000054758 pc=0xa15b5c
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 12
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 14 [chan receive, 6 minutes]:
runtime.gopark(0x0?, 0xc0007bf998?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007bf978 sp=0xc0007bf958 pc=0x43d66e
runtime.chanrecv(0xc0008813e0, 0xc0007bfb38, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0007bf9f0 sp=0xc0007bf978 pc=0x4094ad
runtime.chanrecv1(0xc000479e00?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc0007bfa18 sp=0xc0007bf9f0 pc=0x4090b2
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc00007ca00, 0xc0000cd608?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:801 +0x698 fp=0xc0007bfbc0 sp=0xc0007bfa18 pc=0xa156d8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00007c200, 0x1d3?, {0xc0007e0600, 0x2c6, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0007bfc50 sp=0xc0007bfbc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0000102b8, 0xc000332700, 0xc0007bfdf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0007bfdb8 sp=0xc0007bfc50 pc=0xa1b365
main.(*Proc).execute(0xc0000102b8?, 0xc000332700, 0xc00038e940?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0007bfe00 sp=0xc0007bfdb8 pc=0xa1b1b3
main.(*Proc).loop(0xc0000102b8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0007bffc8 sp=0xc0007bfe00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0007bffe0 sp=0xc0007bffc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007bffe8 sp=0xc0007bffe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 12 [chan receive, 11 minutes]:
runtime.gopark(0x0?, 0xc0007bb998?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007bb978 sp=0xc0007bb958 pc=0x43d66e
runtime.chanrecv(0xc000135aa0, 0xc0007bbb38, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc0007bb9f0 sp=0xc0007bb978 pc=0x4094ad
runtime.chanrecv1(0xc0000f4ae0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc0007bba18 sp=0xc0007bb9f0 pc=0x4090b2
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc00007ce80, 0xc0000cd1e8?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:801 +0x698 fp=0xc0007bbbc0 sp=0xc0007bba18 pc=0xa156d8
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00007c100, 0xde?, {0xc0000f6700, 0x1bd, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0007bbc50 sp=0xc0007bbbc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc000010288, 0xc0003e2380, 0xc0007bbdf0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0007bbdb8 sp=0xc0007bbc50 pc=0xa1b365
main.(*Proc).execute(0xc000010288?, 0xc0003e2380, 0xc00038e730?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0007bbe00 sp=0xc0007bbdb8 pc=0xa1b1b3
main.(*Proc).loop(0xc000010288)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0007bbfc8 sp=0xc0007bbe00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0007bbfe0 sp=0xc0007bbfc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007bbfe8 sp=0xc0007bbfe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 16 [IO wait]:
runtime.gopark(0xc0007b9890?, 0xc0007b9890?, 0x7d?, 0xeb?, 0xc0007b98e8?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0007b9878 sp=0xc0007b9858 pc=0x43d66e
runtime.netpollblock(0xc000410210?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0007b98b0 sp=0xc0007b9878 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb104f0d0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0007b98d0 sp=0xc0007b98b0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0007b7560?, 0xc000410210?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0007b98f8 sp=0xc0007b98d0 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0007b7560, {0xc000410210, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0007b9990 sp=0xc0007b98f8 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00038e560, {0xc000410210?, 0xc0007b9a08?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0007b99d0 sp=0xc0007b9990 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc00038e560}, {0xc000410210, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc0007b9a18 sp=0xc0007b99d0 pc=0x4b4a50
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0003c6580, 0xc0000cd680?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x3c5 fp=0xc0007b9bc0 sp=0xc0007b9a18 pc=0xa15405
github.com/google/syzkaller/pkg/ipc.(*Env).ExecProg(0xc00007c300, 0x27e?, {0xc0003e4000, 0xc5, 0x0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:260 +0x10c fp=0xc0007b9c50 sp=0xc0007b9bc0 pc=0xa1180c
main.(*Proc).executeProgram(0xc0000102e8, 0xc0003e2af0, 0xc0007b9df0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:123 +0xe5 fp=0xc0007b9db8 sp=0xc0007b9c50 pc=0xa1b365
main.(*Proc).execute(0xc0000102e8?, 0xc0003e2af0, 0xc00032c128?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:103 +0x33 fp=0xc0007b9e00 sp=0xc0007b9db8 pc=0xa1b1b3
main.(*Proc).loop(0xc0000102e8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:46 +0xcc fp=0xc0007b9fc8 sp=0xc0007b9e00 pc=0xa1aa2c
main.startProc.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x25 fp=0xc0007b9fe0 sp=0xc0007b9fc8 pc=0xa1a925
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007b9fe8 sp=0xc0007b9fe0 pc=0x46f7c1
created by main.startProc in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:37 +0x116

goroutine 764 [chan send, 6 minutes]:
runtime.gopark(0x0?, 0xc0003906d8?, 0x25?, 0x38?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0003906b8 sp=0xc000390698 pc=0x43d66e
runtime.chansend(0xc000479e60, 0xd538b0, 0x1, 0xc000390730?)
	/usr/local/go/src/runtime/chan.go:259 +0x3a5 fp=0xc000390728 sp=0xc0003906b8 pc=0x408745
runtime.chansend1(0xc0003907b0?, 0xd652a8?)
	/usr/local/go/src/runtime/chan.go:145 +0x17 fp=0xc000390758 sp=0xc000390728 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=0xc0003907e0 sp=0xc000390758 pc=0xa15b5c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003907e8 sp=0xc0003907e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 14
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 1111 [select]:
runtime.gopark(0xc0003977b0?, 0x2?, 0x40?, 0x5?, 0xc00039778c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000397638 sp=0xc000397618 pc=0x43d66e
runtime.selectgo(0xc0003977b0, 0xc000397788, 0xc00084e0d0?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000397758 sp=0xc000397638 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=0xc0003977e0 sp=0xc000397758 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003977e8 sp=0xc0003977e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 16
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 1108 [IO wait]:
runtime.gopark(0xc000537e18?, 0xc000537e18?, 0x7d?, 0xeb?, 0xc000537e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000537e00 sp=0xc000537de0 pc=0x43d66e
runtime.netpollblock(0xc0006d8000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000537e38 sp=0xc000537e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1087fc8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000537e58 sp=0xc000537e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0008800c0?, 0xc0006d8000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000537e80 sp=0xc000537e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0008800c0, {0xc0006d8000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000537f18 sp=0xc000537e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00032c0d0, {0xc0006d8000?, 0x4c9fcf?, 0xc000537fb8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000537f58 sp=0xc000537f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc00007c680)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000537fc8 sp=0xc000537f58 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=0xc000537fe0 sp=0xc000537fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000537fe8 sp=0xc000537fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 15
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 1098 [IO wait]:
runtime.gopark(0xc000395e18?, 0xc000395e18?, 0x7d?, 0xeb?, 0xc000395e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000395e00 sp=0xc000395de0 pc=0x43d66e
runtime.netpollblock(0xc000698000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000395e38 sp=0xc000395e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb104f988, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000395e58 sp=0xc000395e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0007b74a0?, 0xc000698000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000395e80 sp=0xc000395e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0007b74a0, {0xc000698000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000395f18 sp=0xc000395e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00038e500, {0xc000698000?, 0x4c9fcf?, 0xc000395fb8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000395f58 sp=0xc000395f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0003c6580)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000395fc8 sp=0xc000395f58 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=0xc000395fe0 sp=0xc000395fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000395fe8 sp=0xc000395fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 16
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 348 [IO wait, 11 minutes]:
runtime.gopark(0xc000397e18?, 0xc000397e18?, 0x7d?, 0xeb?, 0xc000397e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000397e00 sp=0xc000397de0 pc=0x43d66e
runtime.netpollblock(0xc0008c711a?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000397e38 sp=0xc000397e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb104f6a0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000397e58 sp=0xc000397e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc000135740?, 0xc0008c711a?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000397e80 sp=0xc000397e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000135740, {0xc0008c711a, 0x1eee6, 0x1eee6})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000397f18 sp=0xc000397e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00032c350, {0xc0008c711a?, 0xc000410248?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000397f58 sp=0xc000397f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc00007ce80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000397fc8 sp=0xc000397f58 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=0xc000397fe0 sp=0xc000397fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000397fe8 sp=0xc000397fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 12
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 349 [syscall, 11 minutes]:
syscall.Syscall6(0x1e1, 0x1, 0x6e2, 0xc00039666c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000396618 sp=0xc000396608 pc=0x4beba9
os.wait6(0x416efc?, 0xc0003966c8?, 0x46b805?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000396688 sp=0xc000396618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc00003a9c0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0003966b8 sp=0xc000396688 pc=0x4e9190
os.(*Process).wait(0xc00003a9c0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000396718 sp=0xc0003966b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003bac60)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000396780 sp=0xc000396718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc00007ce80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0003967c8 sp=0xc000396780 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=0xc0003967e0 sp=0xc0003967c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0003967e8 sp=0xc0003967e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 12
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 1116 [IO wait]:
runtime.gopark(0xc0005355d0?, 0xc0005355d0?, 0x7d?, 0xeb?, 0xc000535628?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0005355b8 sp=0xc000535598 pc=0x43d66e
runtime.netpollblock(0xc00041023c?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0005355f0 sp=0xc0005355b8 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb104f5a8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000535610 sp=0xc0005355f0 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc00007aba0?, 0xc00041023c?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000535638 sp=0xc000535610 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00007aba0, {0xc00041023c, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0005356d0 sp=0xc000535638 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00038e880, {0xc00041023c?, 0xc000535748?, 0x410365?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000535710 sp=0xc0005356d0 pc=0x4e3ad2
io.ReadAtLeast({0xd5f300, 0xc00038e880}, {0xc00041023c, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000535758 sp=0xc000535710 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=0xc0005357e0 sp=0xc000535758 pc=0xa14d9e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0005357e8 sp=0xc0005357e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 13
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:690 +0x14d

goroutine 728 [IO wait, 7 minutes]:
runtime.gopark(0xc000531e18?, 0xc000531e18?, 0x7d?, 0xeb?, 0xc000531e70?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000531e00 sp=0xc000531de0 pc=0x43d66e
runtime.netpollblock(0xc000678000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000531e38 sp=0xc000531e00 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb1088690, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000531e58 sp=0xc000531e38 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc0008811a0?, 0xc000678000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000531e80 sp=0xc000531e58 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0008811a0, {0xc000678000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000531f18 sp=0xc000531e80 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00038e6e8, {0xc000678000?, 0xc000336338?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000531f58 sp=0xc000531f18 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc00007ca00)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc000531fc8 sp=0xc000531f58 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=0xc000531fe0 sp=0xc000531fc8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000531fe8 sp=0xc000531fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 14
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 1131 [select]:
runtime.gopark(0xc00070b7b0?, 0x2?, 0x60?, 0xa9?, 0xc00070b78c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00070b638 sp=0xc00070b618 pc=0x43d66e
runtime.selectgo(0xc00070b7b0, 0xc00070b788, 0xc00084e10c?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc00070b758 sp=0xc00070b638 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=0xc00070b7e0 sp=0xc00070b758 pc=0xa15af7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00070b7e8 sp=0xc00070b7e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 15
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:752 +0x2f9

goroutine 729 [syscall, 7 minutes]:
syscall.Syscall6(0x1e1, 0x1, 0xc27, 0xc000709e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000709e18 sp=0xc000709e08 pc=0x4beba9
os.wait6(0x1406c20?, 0x8000000000000000?, 0x65dd1ee971?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000709e88 sp=0xc000709e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc00003a750)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000709eb8 sp=0xc000709e88 pc=0x4e9190
os.(*Process).wait(0xc00003a750)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000709f18 sp=0xc000709eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003ba420)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000709f80 sp=0xc000709f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc00007ca00)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000709fc8 sp=0xc000709f80 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=0xc000709fe0 sp=0xc000709fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000709fe8 sp=0xc000709fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 14
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 1133 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x1eaf, 0xc00070a66c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc00070a618 sp=0xc00070a608 pc=0x4beba9
os.wait6(0x416efc?, 0xc00070a6c8?, 0x46b805?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc00070a688 sp=0xc00070a618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc00003aff0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc00070a6b8 sp=0xc00070a688 pc=0x4e9190
os.(*Process).wait(0xc00003aff0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc00070a718 sp=0xc00070a6b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003bb080)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc00070a780 sp=0xc00070a718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0003c6d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc00070a7c8 sp=0xc00070a780 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=0xc00070a7e0 sp=0xc00070a7c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00070a7e8 sp=0xc00070a7e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 13
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 1104 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x198d, 0xc00070966c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000709618 sp=0xc000709608 pc=0x4beba9
os.wait6(0xc0000e4400?, 0x43d66e?, 0x0?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000709688 sp=0xc000709618 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc00003ac30)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc0007096b8 sp=0xc000709688 pc=0x4e9190
os.(*Process).wait(0xc00003ac30)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000709718 sp=0xc0007096b8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000476000)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000709780 sp=0xc000709718 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc00007c680)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc0007097c8 sp=0xc000709780 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=0xc0007097e0 sp=0xc0007097c8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007097e8 sp=0xc0007097e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 15
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d

goroutine 1132 [IO wait]:
runtime.gopark(0xc000707618?, 0xc000707618?, 0x7d?, 0xeb?, 0xc000707670?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000707600 sp=0xc0007075e0 pc=0x43d66e
runtime.netpollblock(0xc0007f8000?, 0x407ce6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000707638 sp=0xc000707600 pc=0x436a17
internal/poll.runtime_pollWait(0x7f7fb104eb00, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000707658 sp=0xc000707638 pc=0x469f85
internal/poll.(*pollDesc).wait(0xc00007aae0?, 0xc0007f8000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000707680 sp=0xc000707658 pc=0x4d8a07
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00007aae0, {0xc0007f8000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000707718 sp=0xc000707680 pc=0x4d9cfa
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc00038e870, {0xc0007f8000?, 0x4c9fcf?, 0xc0007077b8?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000707758 sp=0xc000707718 pc=0x4e3ad2
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func2(0xc0003c6d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:617 +0x89 fp=0xc0007077c8 sp=0xc000707758 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=0xc0007077e0 sp=0xc0007077c8 pc=0xa14607
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0007077e8 sp=0xc0007077e0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 13
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:611 +0xa05

goroutine 1099 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x1767, 0xc000707e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x9 fp=0xc000707e18 sp=0xc000707e08 pc=0x4beba9
os.wait6(0x416efc?, 0xc000707ec8?, 0x46b805?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4c fp=0xc000707e88 sp=0xc000707e18 pc=0x4e910c
os.(*Process).blockUntilWaitable(0xc00003a930)
	/usr/local/go/src/os/wait_wait6.go:20 +0x30 fp=0xc000707eb8 sp=0xc000707e88 pc=0x4e9190
os.(*Process).wait(0xc00003a930)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000707f18 sp=0xc000707eb8 pc=0x4e3345
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0003ba9a0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000707f80 sp=0xc000707f18 pc=0x795f05
github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand.func3(0xc0003c6580)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:640 +0x28 fp=0xc000707fc8 sp=0xc000707f80 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=0xc000707fe0 sp=0xc000707fc8 pc=0xa14507
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000707fe8 sp=0xc000707fe0 pc=0x46f7c1
created by github.com/google/syzkaller/pkg/ipc.(*Env).makeCommand in goroutine 16
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:639 +0xc0d