fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0x7f7fd02ee000 pc=0x4687fc]

goroutine 9 [running]:
runtime.throw({0xa30877?, 0xb1b530?})
	/usr/local/go/src/runtime/panic.go:1047 +0x5d fp=0xc000f54c20 sp=0xc000f54bf0 pc=0x43521d
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:851 +0x28a fp=0xc000f54c80 sp=0xc000f54c20 pc=0x44bb6a
runtime.memmove()
	/usr/local/go/src/runtime/memmove_amd64.s:375 +0x43c fp=0xc000f54c88 sp=0xc000f54c80 pc=0x4687fc
github.com/google/syzkaller/prog.(*execContext).writeArg(0xc000f55888, {0xb15b40?, 0xc000c9a3f0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:300 +0x97d fp=0xc000f54d90 sp=0xc000f54c88 pc=0x547efd
github.com/google/syzkaller/prog.(*execContext).writeCopyin.func1({0xb15b40, 0xc000c9a3f0}, 0xc000e23180?)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:172 +0x313 fp=0xc000f54df0 sp=0xc000f54d90 pc=0x546613
github.com/google/syzkaller/prog.foreachArgImpl({0xb15b40?, 0xc000c9a3f0?}, 0xc000e23180, 0xc000f55788)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:134 +0x139 fp=0xc000f54f78 sp=0xc000f54df0 pc=0x534359
github.com/google/syzkaller/prog.foreachArgImpl({0xb15b80?, 0xc0010c1da0?}, 0xc000e23180, 0xc000f55788)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:151 +0x3ba fp=0xc000f55100 sp=0xc000f54f78 pc=0x5345da
github.com/google/syzkaller/prog.foreachArgImpl({0xb15b80?, 0xc0010c1e60?}, 0xc000e23180, 0xc000f55788)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:151 +0x3ba fp=0xc000f55288 sp=0xc000f55100 pc=0x5345da
github.com/google/syzkaller/prog.foreachArgImpl({0xb15bc0?, 0xc000c9a4e0?}, 0xc000e23180, 0xc000f55788)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:168 +0x2ce fp=0xc000f55410 sp=0xc000f55288 pc=0x5344ee
github.com/google/syzkaller/prog.foreachArgImpl({0xb15b80?, 0xc0010c1e80?}, 0xc000e23180, 0xc000f55788)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:151 +0x3ba fp=0xc000f55598 sp=0xc000f55410 pc=0x5345da
github.com/google/syzkaller/prog.foreachArgImpl({0xb15bc0?, 0xc000c9a510?}, 0xc000e23180, 0xc000f55788)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:168 +0x2ce fp=0xc000f55720 sp=0xc000f55598 pc=0x5344ee
github.com/google/syzkaller/prog.ForeachArg(0xc000c01900, 0xc00009e5d0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:127 +0xde fp=0xc000f55778 sp=0xc000f55720 pc=0x5341be
github.com/google/syzkaller/prog.(*execContext).writeCopyin(0xc000f55888?, 0xb15b00?)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:153 +0x38 fp=0xc000f557a8 sp=0xc000f55778 pc=0x5462d8
github.com/google/syzkaller/prog.(*execContext).serializeCall(0xc000f55888, 0xc000c01900)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:88 +0x2d fp=0xc000f55828 sp=0xc000f557a8 pc=0x545bcd
github.com/google/syzkaller/prog.(*Prog).SerializeForExec(0xc0009f3900, {0x7f7fd02ea000, 0x400000, 0x400000})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:76 +0x165 fp=0xc000f55a30 sp=0xc000f55828 pc=0x545a65
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00121e240, 0xc000f55b38?, 0xc0009f3900)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:257 +0x57 fp=0xc000f55b10 sp=0xc000f55a30 pc=0x8dc037
main.(*Proc).executeRaw(0xc000fb6080, 0x48153e?, 0xc001062c00?, 0x5)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:328 +0x1bc fp=0xc000f55c28 sp=0xc000f55b10 pc=0x8eb3dc
main.(*Proc).execute(0xc000fb6080, 0x11?, 0x12?, 0xc000f55e08?, 0x1?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x49 fp=0xc000f55d68 sp=0xc000f55c28 pc=0x8eab49
main.(*Proc).executeAndCollide(0xc000fb6080, 0xa42370?, 0xc000fcb920?, 0xc000f55e08?, 0xc000fb6000?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:284 +0x27 fp=0xc000f55db0 sp=0xc000f55d68 pc=0x8eb047
main.(*Proc).smashInput(0xc000fb6080, 0xc00089e690)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:221 +0x1d4 fp=0xc000f55e98 sp=0xc000f55db0 pc=0x8ea714
main.(*Proc).loop(0xc000fb6080)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:78 +0xf2 fp=0xc000f55fc8 sp=0xc000f55e98 pc=0x8e8d72
main.main.func2()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x26 fp=0xc000f55fe0 sp=0xc000f55fc8 pc=0x8e5066
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000f55fe8 sp=0xc000f55fe0 pc=0x467501
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x15e5

goroutine 1 [select]:
runtime.gopark(0xc0002d5a00?, 0x2?, 0x2?, 0x0?, 0xc0002d59bc?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0002d57f0 sp=0xc0002d57d0 pc=0x437ed6
runtime.selectgo(0xc0002d5a00, 0xc0002d59b8, 0x1015e80?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc0002d5930 sp=0xc0002d57f0 pc=0x447efe
main.(*Fuzzer).pollLoop(0xc00022c600)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:385 +0x105 fp=0xc0002d5a30 sp=0xc0002d5930 pc=0x8e5965
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:313 +0x176c fp=0xc0002d5f80 sp=0xc0002d5a30 pc=0x8e4fec
runtime.main()
	/usr/local/go/src/runtime/proc.go:250 +0x207 fp=0xc0002d5fe0 sp=0xc0002d5f80 pc=0x437aa7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0002d5fe8 sp=0xc0002d5fe0 pc=0x467501

goroutine 2 [force gc (idle), 15 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000056fb0 sp=0xc000056f90 pc=0x437ed6
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:387
runtime.forcegchelper()
	/usr/local/go/src/runtime/proc.go:305 +0xb0 fp=0xc000056fe0 sp=0xc000056fb0 pc=0x437d10
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000056fe8 sp=0xc000056fe0 pc=0x467501
created by runtime.init.6
	/usr/local/go/src/runtime/proc.go:293 +0x25

goroutine 3 [GC sweep wait]:
runtime.gopark(0x1015801?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000057780 sp=0xc000057760 pc=0x437ed6
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:387
runtime.bgsweep(0x0?)
	/usr/local/go/src/runtime/mgcsweep.go:319 +0xde fp=0xc0000577c8 sp=0xc000057780 pc=0x423a3e
runtime.gcenable.func1()
	/usr/local/go/src/runtime/mgc.go:178 +0x26 fp=0xc0000577e0 sp=0xc0000577c8 pc=0x418be6
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000577e8 sp=0xc0000577e0 pc=0x467501
created by runtime.gcenable
	/usr/local/go/src/runtime/mgc.go:178 +0x6b

goroutine 4 [GC scavenge wait]:
runtime.gopark(0x46ef6a0c86?, 0x4512e5d5?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000057f70 sp=0xc000057f50 pc=0x437ed6
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:387
runtime.(*scavengerState).park(0x1015fa0)
	/usr/local/go/src/runtime/mgcscavenge.go:400 +0x53 fp=0xc000057fa0 sp=0xc000057f70 pc=0x421913
runtime.bgscavenge(0x0?)
	/usr/local/go/src/runtime/mgcscavenge.go:633 +0x65 fp=0xc000057fc8 sp=0xc000057fa0 pc=0x421f05
runtime.gcenable.func2()
	/usr/local/go/src/runtime/mgc.go:179 +0x26 fp=0xc000057fe0 sp=0xc000057fc8 pc=0x418b86
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000057fe8 sp=0xc000057fe0 pc=0x467501
created by runtime.gcenable
	/usr/local/go/src/runtime/mgc.go:179 +0xaa

goroutine 17 [finalizer wait]:
runtime.gopark(0x0?, 0xa86298?, 0x20?, 0xe2?, 0x2000000020?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000056628 sp=0xc000056608 pc=0x437ed6
runtime.runfinq()
	/usr/local/go/src/runtime/mfinal.go:193 +0x107 fp=0xc0000567e0 sp=0xc000056628 pc=0x417c27
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000567e8 sp=0xc0000567e0 pc=0x467501
created by runtime.createfing
	/usr/local/go/src/runtime/mfinal.go:163 +0x45

goroutine 18 [select]:
runtime.gopark(0xc000052788?, 0x3?, 0x3?, 0x0?, 0xc000052772?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0000525f8 sp=0xc0000525d8 pc=0x437ed6
runtime.selectgo(0xc000052788, 0xc00005276c, 0xc0000f5c80?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc000052738 sp=0xc0000525f8 pc=0x447efe
go.opencensus.io/stats/view.(*worker).start(0xc0000f5c80)
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0xad fp=0xc0000527c8 sp=0xc000052738 pc=0x884a4d
go.opencensus.io/stats/view.init.0.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:34 +0x26 fp=0xc0000527e0 sp=0xc0000527c8 pc=0x883c86
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x467501
created by go.opencensus.io/stats/view.init.0
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:34 +0x96

goroutine 19 [GC worker (idle)]:
runtime.gopark(0xdc12f9c21c?, 0x2?, 0x10?, 0xfe?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000052f50 sp=0xc000052f30 pc=0x437ed6
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1275 +0xf1 fp=0xc000052fe0 sp=0xc000052f50 pc=0x41a951
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000052fe8 sp=0xc000052fe0 pc=0x467501
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1199 +0x25

goroutine 20 [GC worker (idle)]:
runtime.gopark(0xdc12f9baa1?, 0xc000040040?, 0x1a?, 0x14?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000053750 sp=0xc000053730 pc=0x437ed6
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1275 +0xf1 fp=0xc0000537e0 sp=0xc000053750 pc=0x41a951
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 pc=0x467501
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1199 +0x25

goroutine 5 [chan receive, 15 minutes]:
runtime.gopark(0xc000054688?, 0xc0000546e0?, 0xd3?, 0x3?, 0xc0000546e0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0000546b0 sp=0xc000054690 pc=0x437ed6
runtime.chanrecv(0xc000078180, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x49d fp=0xc000054740 sp=0xc0000546b0 pc=0x4069dd
runtime.chanrecv1(0xc000078180?, 0xc0000547b0?)
	/usr/local/go/src/runtime/chan.go:442 +0x18 fp=0xc000054768 sp=0xc000054740 pc=0x406518
github.com/google/syzkaller/pkg/osutil.HandleInterrupts.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:78 +0x8a fp=0xc0000547e0 sp=0xc000054768 pc=0x52176a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000547e8 sp=0xc0000547e0 pc=0x467501
created by github.com/google/syzkaller/pkg/osutil.HandleInterrupts
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:75 +0x56

goroutine 6 [chan receive, 15 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000054ee8 sp=0xc000054ec8 pc=0x437ed6
runtime.chanrecv(0xc00008a0c0, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x49d fp=0xc000054f78 sp=0xc000054ee8 pc=0x4069dd
runtime.chanrecv1(0x0?, 0x0?)
	/usr/local/go/src/runtime/chan.go:442 +0x18 fp=0xc000054fa0 sp=0xc000054f78 pc=0x406518
main.main.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:182 +0x1f fp=0xc000054fe0 sp=0xc000054fa0 pc=0x8e50bf
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000054fe8 sp=0xc000054fe0 pc=0x467501
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:180 +0x48f

goroutine 21 [select, 15 minutes, locked to thread]:
runtime.gopark(0xc0004b8fa8?, 0x2?, 0x52?, 0x82?, 0xc0004b8f94?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0004b8e10 sp=0xc0004b8df0 pc=0x437ed6
runtime.selectgo(0xc0004b8fa8, 0xc0004b8f90, 0x0?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc0004b8f50 sp=0xc0004b8e10 pc=0x447efe
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1000 +0x1a7 fp=0xc0004b8fe0 sp=0xc0004b8f50 pc=0x45f227
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0004b8fe8 sp=0xc0004b8fe0 pc=0x467501
created by runtime.ensureSigM
	/usr/local/go/src/runtime/signal_unix.go:983 +0xbd

goroutine 8 [IO wait]:
runtime.gopark(0x4b8dc5?, 0xc000237978?, 0xc8?, 0x79?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000237958 sp=0xc000237938 pc=0x437ed6
runtime.netpollblock(0xc00055f000?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000237990 sp=0xc000237958 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd088a4d8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc0002379b0 sp=0xc000237990 pc=0x461889
internal/poll.(*pollDesc).wait(0xc0000f4c00?, 0xc00055f000?, 0x0)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc0002379d8 sp=0xc0002379b0 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0000f4c00, {0xc00055f000, 0x1000, 0x1000})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000237a70 sp=0xc0002379d8 pc=0x4d2d19
net.(*netFD).Read(0xc0000f4c00, {0xc00055f000?, 0xc000237bb8?, 0x88f225?})
	/usr/local/go/src/net/fd_posix.go:55 +0x29 fp=0xc000237ab8 sp=0xc000237a70 pc=0x654809
net.(*conn).Read(0xc0000a4b38, {0xc00055f000?, 0x198?, 0x4aefba?})
	/usr/local/go/src/net/net.go:183 +0x45 fp=0xc000237b00 sp=0xc000237ab8 pc=0x666065
net.(*TCPConn).Read(0x403ff2?, {0xc00055f000?, 0x4045d4?, 0xc000237bb8?})
	<autogenerated>:1 +0x29 fp=0xc000237b30 sp=0xc000237b00 pc=0x675a29
bufio.(*Reader).fill(0xc0000a7e00)
	/usr/local/go/src/bufio/bufio.go:106 +0xff fp=0xc000237b68 sp=0xc000237b30 pc=0x504e3f
bufio.(*Reader).ReadByte(0xc0000a7e00)
	/usr/local/go/src/bufio/bufio.go:265 +0x2c fp=0xc000237b88 sp=0xc000237b68 pc=0x50560c
compress/flate.(*decompressor).moreBits(0xc00039a000)
	/usr/local/go/src/compress/flate/inflate.go:696 +0x2d fp=0xc000237bc0 sp=0xc000237b88 pc=0x510ecd
compress/flate.(*decompressor).nextBlock(0xc00039a000)
	/usr/local/go/src/compress/flate/inflate.go:303 +0x2e fp=0xc000237bd8 sp=0xc000237bc0 pc=0x50f28e
compress/flate.(*decompressor).Read(0xc00039a000, {0xc0001c7000, 0x1000, 0xc0003b5320?})
	/usr/local/go/src/compress/flate/inflate.go:347 +0x7e fp=0xc000237c10 sp=0xc000237bd8 pc=0x50f4fe
github.com/google/syzkaller/pkg/rpctype.(*flateConn).Read(0xc0000f4c80?, {0xc0001c7000?, 0xc000237c38?, 0xc000237c90?})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:136 +0x26 fp=0xc000237c40 sp=0xc000237c10 pc=0x8e1626
bufio.(*Reader).Read(0xc0000a7e60, {0xc0003fe330, 0x1, 0xc000237d70?})
	/usr/local/go/src/bufio/bufio.go:237 +0x1bb fp=0xc000237c78 sp=0xc000237c40 pc=0x50541b
io.ReadAtLeast({0xb0f740, 0xc0000a7e60}, {0xc0003fe330, 0x1, 0x9}, 0x1)
	/usr/local/go/src/io/io.go:332 +0x9a fp=0xc000237cc0 sp=0xc000237c78 pc=0x4aefba
io.ReadFull(...)
	/usr/local/go/src/io/io.go:351
encoding/gob.decodeUintReader({0xb0f740?, 0xc0000a7e60?}, {0xc0003fe330?, 0x9?, 0x9?})
	/usr/local/go/src/encoding/gob/decode.go:116 +0x57 fp=0xc000237d18 sp=0xc000237cc0 pc=0x88d557
encoding/gob.(*Decoder).recvMessage(0xc0000f4c80)
	/usr/local/go/src/encoding/gob/decoder.go:82 +0x39 fp=0xc000237d50 sp=0xc000237d18 pc=0x897119
encoding/gob.(*Decoder).decodeTypeSequence(0xc0000f4c80, 0x0)
	/usr/local/go/src/encoding/gob/decoder.go:148 +0x4f fp=0xc000237d80 sp=0xc000237d50 pc=0x8974af
encoding/gob.(*Decoder).DecodeValue(0xc0000f4c80, {0x92dbc0?, 0xc000456d50?, 0x7f7fd098a5a8?})
	/usr/local/go/src/encoding/gob/decoder.go:227 +0x18f fp=0xc000237e00 sp=0xc000237d80 pc=0x89794f
encoding/gob.(*Decoder).Decode(0xc0000f4c80, {0x92dbc0?, 0xc000456d50?})
	/usr/local/go/src/encoding/gob/decoder.go:204 +0x165 fp=0xc000237e58 sp=0xc000237e00 pc=0x897765
net/rpc.(*gobClientCodec).ReadResponseHeader(0x971360?, 0x0?)
	/usr/local/go/src/net/rpc/client.go:228 +0x27 fp=0xc000237e80 sp=0xc000237e58 pc=0x8ad267
net/rpc.(*Client).input(0xc0000a7f20)
	/usr/local/go/src/net/rpc/client.go:109 +0xb4 fp=0xc000237fc8 sp=0xc000237e80 pc=0x8ac4f4
net/rpc.NewClientWithCodec.func1()
	/usr/local/go/src/net/rpc/client.go:206 +0x26 fp=0xc000237fe0 sp=0xc000237fc8 pc=0x8ad126
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000237fe8 sp=0xc000237fe0 pc=0x467501
created by net/rpc.NewClientWithCodec
	/usr/local/go/src/net/rpc/client.go:206 +0xc5

goroutine 22 [syscall, 15 minutes]:
runtime.notetsleepg(0x0?, 0x0?)
	/usr/local/go/src/runtime/lock_sema.go:294 +0x34 fp=0xc0004a8fa0 sp=0xc0004a8f58 pc=0x40c094
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x2f fp=0xc0004a8fc0 sp=0xc0004a8fa0 pc=0x463a4f
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x19 fp=0xc0004a8fe0 sp=0xc0004a8fc0 pc=0x5207d9
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0004a8fe8 sp=0xc0004a8fe0 pc=0x467501
created by os/signal.Notify.func1.1
	/usr/local/go/src/os/signal/signal.go:151 +0x2a

goroutine 10 [select]:
runtime.gopark(0xc0011038c8?, 0x2?, 0x20?, 0x21?, 0xc00110386c?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0011036f0 sp=0xc0011036d0 pc=0x437ed6
runtime.selectgo(0xc0011038c8, 0xc001103868, 0x20?, 0x0, 0x418740?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc001103830 sp=0xc0011036f0 pc=0x447efe
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc000480af0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:717 +0x1f0 fp=0xc0011038f8 sp=0xc001103830 pc=0x8df8b0
github.com/google/syzkaller/pkg/ipc.makeCommand(0x1, {0xc0010c1560, 0x2, 0x2}, 0xc0000a7ce0, 0xc00097a088, 0xc00097a0e0, {0x7f7fcdeea000, 0x1000000, 0x1000000}, ...)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:665 +0xcc5 fp=0xc001103b70 sp=0xc0011038f8 pc=0x8def05
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00121e2d0, 0xa5cbe4?, 0xc000fcc840)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:281 +0x1dc fp=0xc001103c50 sp=0xc001103b70 pc=0x8dc1bc
main.(*Proc).executeRaw(0xc000fb6100, 0x11?, 0x12?, 0x8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:328 +0x1bc fp=0xc001103d68 sp=0xc001103c50 pc=0x8eb3dc
main.(*Proc).executeAndCollide(0xc000fb6100, 0xa42370?, 0xc000fcb950?, 0xc001103e08?, 0xc000fb6000?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:292 +0x72 fp=0xc001103db0 sp=0xc001103d68 pc=0x8eb092
main.(*Proc).smashInput(0xc000fb6100, 0xc00104f450)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:221 +0x1d4 fp=0xc001103e98 sp=0xc001103db0 pc=0x8ea714
main.(*Proc).loop(0xc000fb6100)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:78 +0xf2 fp=0xc001103fc8 sp=0xc001103e98 pc=0x8e8d72
main.main.func2()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x26 fp=0xc001103fe0 sp=0xc001103fc8 pc=0x8e5066
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc001103fe8 sp=0xc001103fe0 pc=0x467501
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x15e5

goroutine 11 [IO wait]:
runtime.gopark(0x4b8dc5?, 0xc00083f6e0?, 0x30?, 0xf7?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc00083f6c0 sp=0xc00083f6a0 pc=0x437ed6
runtime.netpollblock(0xc000ee7860?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc00083f6f8 sp=0xc00083f6c0 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd0889e48, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc00083f718 sp=0xc00083f6f8 pc=0x461889
internal/poll.(*pollDesc).wait(0xc00117d6e0?, 0xc000ee7860?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc00083f740 sp=0xc00083f718 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00117d6e0, {0xc000ee7860, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc00083f7d8 sp=0xc00083f740 pc=0x4d2d19
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc0000125f8, {0xc000ee7860?, 0xc00083f868?, 0x40da27?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc00083f830 sp=0xc00083f7d8 pc=0x4dcdfe
io.ReadAtLeast({0xb12060, 0xc0000125f8}, {0xc000ee7860, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:332 +0x9a fp=0xc00083f878 sp=0xc00083f830 pc=0x4aefba
io.ReadFull(...)
	/usr/local/go/src/io/io.go:351
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc000480380, 0x7f7fcdaea000?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:786 +0x559 fp=0xc00083fa30 sp=0xc00083f878 pc=0x8e0219
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00121e360, 0x1?, 0xc000fcd980)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:286 +0x24e fp=0xc00083fb10 sp=0xc00083fa30 pc=0x8dc22e
main.(*Proc).executeRaw(0xc000fb6140, 0x48153e?, 0xc0010627e0?, 0x5)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:328 +0x1bc fp=0xc00083fc28 sp=0xc00083fb10 pc=0x8eb3dc
main.(*Proc).execute(0xc000fb6140, 0x11?, 0x12?, 0xc00083fe08?, 0x1?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x49 fp=0xc00083fd68 sp=0xc00083fc28 pc=0x8eab49
main.(*Proc).executeAndCollide(0xc000fb6140, 0xa42370?, 0xc000fcb980?, 0xc00083fe08?, 0xc000fb6000?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:284 +0x27 fp=0xc00083fdb0 sp=0xc00083fd68 pc=0x8eb047
main.(*Proc).smashInput(0xc000fb6140, 0xc0011d4a30)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:221 +0x1d4 fp=0xc00083fe98 sp=0xc00083fdb0 pc=0x8ea714
main.(*Proc).loop(0xc000fb6140)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:78 +0xf2 fp=0xc00083ffc8 sp=0xc00083fe98 pc=0x8e8d72
main.main.func2()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x26 fp=0xc00083ffe0 sp=0xc00083ffc8 pc=0x8e5066
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc00083ffe8 sp=0xc00083ffe0 pc=0x467501
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x15e5

goroutine 28 [IO wait]:
runtime.gopark(0x4b8dc5?, 0xc000e516e0?, 0x30?, 0x17?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000e516c0 sp=0xc000e516a0 pc=0x437ed6
runtime.netpollblock(0xc000b745d0?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000e516f8 sp=0xc000e516c0 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd072f5d0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc000e51718 sp=0xc000e516f8 pc=0x461889
internal/poll.(*pollDesc).wait(0xc001122a20?, 0xc000b745d0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc000e51740 sp=0xc000e51718 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc001122a20, {0xc000b745d0, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000e517d8 sp=0xc000e51740 pc=0x4d2d19
os.(*File).read(...)
[ 946.5178041] uhub4: device problem, disabling port 1
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000012ca8, {0xc000b745d0?, 0xc000e51868?, 0x40da27?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc000e51830 sp=0xc000e517d8 pc=0x4dcdfe
io.ReadAtLeast({0xb12060, 0xc000012ca8}, {0xc000b745d0, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:332 +0x9a fp=0xc000e51878 sp=0xc000e51830 pc=0x4aefba
io.ReadFull(...)
	/usr/local/go/src/io/io.go:351
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0003adc70, 0x7f7fcc6ea000?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:786 +0x559 fp=0xc000e51a30 sp=0xc000e51878 pc=0x8e0219
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc000626bd0, 0x1?, 0xc0006e1640)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:286 +0x24e fp=0xc000e51b10 sp=0xc000e51a30 pc=0x8dc22e
main.(*Proc).executeRaw(0xc0011a4740, 0x48153e?, 0xc000c19b90?, 0x5)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:328 +0x1bc fp=0xc000e51c28 sp=0xc000e51b10 pc=0x8eb3dc
main.(*Proc).execute(0xc0011a4740, 0x11?, 0x12?, 0xc000e51e08?, 0x1?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x49 fp=0xc000e51d68 sp=0xc000e51c28 pc=0x8eab49
main.(*Proc).executeAndCollide(0xc0011a4740, 0xa42370?, 0xc000f08480?, 0xc000e51e08?, 0xc000fb6000?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:284 +0x27 fp=0xc000e51db0 sp=0xc000e51d68 pc=0x8eb047
main.(*Proc).smashInput(0xc0011a4740, 0xc00104e970)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:221 +0x1d4 fp=0xc000e51e98 sp=0xc000e51db0 pc=0x8ea714
main.(*Proc).loop(0xc0011a4740)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:78 +0xf2 fp=0xc000e51fc8 sp=0xc000e51e98 pc=0x8e8d72
main.main.func2()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x26 fp=0xc000e51fe0 sp=0xc000e51fc8 pc=0x8e5066
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000e51fe8 sp=0xc000e51fe0 pc=0x467501
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x15e5

goroutine 29 [IO wait]:
runtime.gopark(0x4b8dc5?, 0xc00083b820?, 0x70?, 0xb8?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc00083b800 sp=0xc00083b7e0 pc=0x437ed6
runtime.netpollblock(0xc0010a3340?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc00083b838 sp=0xc00083b800 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd088a208, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc00083b858 sp=0xc00083b838 pc=0x461889
internal/poll.(*pollDesc).wait(0xc00117c0c0?, 0xc0010a3340?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc00083b880 sp=0xc00083b858 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00117c0c0, {0xc0010a3340, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc00083b918 sp=0xc00083b880 pc=0x4d2d19
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc00097a048, {0xc0010a3340?, 0xc00083b9a8?, 0x40da27?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc00083b970 sp=0xc00083b918 pc=0x4dcdfe
io.ReadAtLeast({0xb12060, 0xc00097a048}, {0xc0010a3340, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:332 +0x9a fp=0xc00083b9b8 sp=0xc00083b970 pc=0x4aefba
io.ReadFull(...)
	/usr/local/go/src/io/io.go:351
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0003ac070, 0x7f7fcb2ea000?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:786 +0x559 fp=0xc00083bb70 sp=0xc00083b9b8 pc=0x8e0219
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc000626c60, 0x0?, 0xc0009f26c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:286 +0x24e fp=0xc00083bc50 sp=0xc00083bb70 pc=0x8dc22e
main.(*Proc).executeRaw(0xc0011a4900, 0x11?, 0x12?, 0x8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:328 +0x1bc fp=0xc00083bd68 sp=0xc00083bc50 pc=0x8eb3dc
main.(*Proc).executeAndCollide(0xc0011a4900, 0xa42370?, 0xc000f08510?, 0xc000f41e08?, 0xc000fb6000?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:292 +0x72 fp=0xc00083bdb0 sp=0xc00083bd68 pc=0x8eb092
main.(*Proc).smashInput(0xc0011a4900, 0xc0016ac390)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:221 +0x1d4 fp=0xc00083be98 sp=0xc00083bdb0 pc=0x8ea714
main.(*Proc).loop(0xc0011a4900)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:78 +0xf2 fp=0xc00083bfc8 sp=0xc00083be98 pc=0x8e8d72
main.main.func2()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x26 fp=0xc00083bfe0 sp=0xc00083bfc8 pc=0x8e5066
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc00083bfe8 sp=0xc00083bfe0 pc=0x467501
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x15e5

goroutine 480 [IO wait, 1 minutes]:
runtime.gopark(0x4b8dc5?, 0xc0004a7608?, 0x58?, 0x76?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0004a75e8 sp=0xc0004a75c8 pc=0x437ed6
runtime.netpollblock(0xc000f5f428?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc0004a7620 sp=0xc0004a75e8 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd0889d58, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc0004a7640 sp=0xc0004a7620 pc=0x461889
internal/poll.(*pollDesc).wait(0xc00117c000?, 0xc000f5f428?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc0004a7668 sp=0xc0004a7640 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00117c000, {0xc000f5f428, 0x1ebd8, 0x1ebd8})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc0004a7700 sp=0xc0004a7668 pc=0x4d2d19
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc00097a010, {0xc000f5f428?, 0x4c4757?, 0xc0004a77b8?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc0004a7758 sp=0xc0004a7700 pc=0x4dcdfe
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0003ac070)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc0004a77c8 sp=0xc0004a7758 pc=0x8df2ea
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x2a fp=0xc0004a77e0 sp=0xc0004a77c8 pc=0x8df22a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0004a77e8 sp=0xc0004a77e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 1997 [select]:
runtime.gopark(0xc0004ab7b0?, 0x2?, 0x5?, 0xd?, 0xc0004ab78c?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0004ab618 sp=0xc0004ab5f8 pc=0x437ed6
runtime.selectgo(0xc0004ab7b0, 0xc0004ab788, 0xc00122d6b8?, 0x0, 0x1d?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc0004ab758 sp=0xc0004ab618 pc=0x447efe
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:771 +0x7d fp=0xc0004ab7e0 sp=0xc0004ab758 pc=0x8e091d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0004ab7e8 sp=0xc0004ab7e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.(*command).exec
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x25b

goroutine 2006 [select]:
runtime.gopark(0xc000055fb0?, 0x2?, 0x3f?, 0x0?, 0xc000055f8c?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000055e18 sp=0xc000055df8 pc=0x437ed6
runtime.selectgo(0xc000055fb0, 0xc000055f88, 0xc0012444e0?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc000055f58 sp=0xc000055e18 pc=0x447efe
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:771 +0x7d fp=0xc000055fe0 sp=0xc000055f58 pc=0x8e091d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000055fe8 sp=0xc000055fe0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.(*command).exec
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x25b

goroutine 1225 [IO wait]:
runtime.gopark(0x4b8dc5?, 0xc000059608?, 0x58?, 0x96?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0000595e8 sp=0xc0000595c8 pc=0x437ed6
runtime.netpollblock(0xc001185ec2?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000059620 sp=0xc0000595e8 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd072f300, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc000059640 sp=0xc000059620 pc=0x461889
internal/poll.(*pollDesc).wait(0xc001122de0?, 0xc001185ec2?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc000059668 sp=0xc000059640 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc001122de0, {0xc001185ec2, 0x1a13e, 0x1a13e})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000059700 sp=0xc000059668 pc=0x4d2d19
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc00097a5a0, {0xc001185ec2?, 0x4c4757?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc000059758 sp=0xc000059700 pc=0x4dcdfe
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0003ac230)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc0000597c8 sp=0xc000059758 pc=0x8df2ea
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x2a fp=0xc0000597e0 sp=0xc0000597c8 pc=0x8df22a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000597e8 sp=0xc0000597e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 16 [IO wait]:
runtime.gopark(0x4b8dc5?, 0xc0011076e0?, 0x30?, 0x77?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0011076c0 sp=0xc0011076a0 pc=0x437ed6
runtime.netpollblock(0xc000b749d0?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc0011076f8 sp=0xc0011076c0 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd072f990, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc001107718 sp=0xc0011076f8 pc=0x461889
internal/poll.(*pollDesc).wait(0xc001122ea0?, 0xc000b749d0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc001107740 sp=0xc001107718 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc001122ea0, {0xc000b749d0, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc0011077d8 sp=0xc001107740 pc=0x4d2d19
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc00097a5d8, {0xc000b749d0?, 0xc001107868?, 0x40da27?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc001107830 sp=0xc0011077d8 pc=0x4dcdfe
io.ReadAtLeast({0xb12060, 0xc00097a5d8}, {0xc000b749d0, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:332 +0x9a fp=0xc001107878 sp=0xc001107830 pc=0x4aefba
io.ReadFull(...)
	/usr/local/go/src/io/io.go:351
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0003ac230, 0x7f7fc9eea000?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:786 +0x559 fp=0xc001107a30 sp=0xc001107878 pc=0x8e0219
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00121f440, 0x1?, 0xc000c3a780)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:286 +0x24e fp=0xc001107b10 sp=0xc001107a30 pc=0x8dc22e
main.(*Proc).executeRaw(0xc001045280, 0x48153e?, 0xc000c19e48?, 0x5)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:328 +0x1bc fp=0xc001107c28 sp=0xc001107b10 pc=0x8eb3dc
main.(*Proc).execute(0xc001045280, 0x11?, 0x12?, 0xc001107e08?, 0x1?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x49 fp=0xc001107d68 sp=0xc001107c28 pc=0x8eab49
main.(*Proc).executeAndCollide(0xc001045280, 0xa42370?, 0xc00100e750?, 0xc001107e08?, 0xc000fb6000?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:284 +0x27 fp=0xc001107db0 sp=0xc001107d68 pc=0x8eb047
main.(*Proc).smashInput(0xc001045280, 0xc0016ac0c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:221 +0x1d4 fp=0xc001107e98 sp=0xc001107db0 pc=0x8ea714
main.(*Proc).loop(0xc001045280)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:78 +0xf2 fp=0xc001107fc8 sp=0xc001107e98 pc=0x8e8d72
main.main.func2()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x26 fp=0xc001107fe0 sp=0xc001107fc8 pc=0x8e5066
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc001107fe8 sp=0xc001107fe0 pc=0x467501
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x15e5

goroutine 1226 [syscall, 1 minutes]:
syscall.Syscall6(0x1e1, 0x1, 0x2e20, 0xc0004a866c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x5 fp=0xc0004a8618 sp=0xc0004a8610 pc=0x4b8e25
os.wait6(0xc00008c9c0?, 0xc0004a8718?, 0x405d85?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4d fp=0xc0004a8688 sp=0xc0004a8618 pc=0x4e2e8d
os.(*Process).blockUntilWaitable(0xc00021d1d0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x36 fp=0xc0004a86b8 sp=0xc0004a8688 pc=0x4e2f16
os.(*Process).wait(0xc00021d1d0)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc0004a8718 sp=0xc0004a86b8 pc=0x4dc648
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc000f38840)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0004a8780 sp=0xc0004a8718 pc=0x51d085
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0003ac230)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc0004a87c8 sp=0xc0004a8780 pc=0x8df172
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc0004a87e0 sp=0xc0004a87c8 pc=0x8df10a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0004a87e8 sp=0xc0004a87e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c

goroutine 1367 [syscall, 1 minutes]:
syscall.Syscall6(0x1e1, 0x1, 0x298a, 0xc000053e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x5 fp=0xc000053e18 sp=0xc000053e10 pc=0x4b8e25
os.wait6(0xc00087c340?, 0xc000053f18?, 0x405d85?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4d fp=0xc000053e88 sp=0xc000053e18 pc=0x4e2e8d
os.(*Process).blockUntilWaitable(0xc00021d260)
	/usr/local/go/src/os/wait_wait6.go:20 +0x36 fp=0xc000053eb8 sp=0xc000053e88 pc=0x4e2f16
os.(*Process).wait(0xc00021d260)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc000053f18 sp=0xc000053eb8 pc=0x4dc648
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc00065cc60)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000053f80 sp=0xc000053f18 pc=0x51d085
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc000480150)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc000053fc8 sp=0xc000053f80 pc=0x8df172
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc000053fe0 sp=0xc000053fc8 pc=0x8df10a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000053fe8 sp=0xc000053fe0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c

goroutine 1998 [IO wait]:
runtime.gopark(0x4b8dc5?, 0xc000fac608?, 0x58?, 0xc6?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000fac5e8 sp=0xc000fac5c8 pc=0x437ed6
runtime.netpollblock(0xc0012b2000?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000fac620 sp=0xc000fac5e8 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd088a118, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc000fac640 sp=0xc000fac620 pc=0x461889
internal/poll.(*pollDesc).wait(0xc00117de60?, 0xc0012b2000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc000fac668 sp=0xc000fac640 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00117de60, {0xc0012b2000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000fac700 sp=0xc000fac668 pc=0x4d2d19
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000012a30, {0xc0012b2000?, 0xc0011accc8?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc000fac758 sp=0xc000fac700 pc=0x4dcdfe
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc000480af0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc000fac7c8 sp=0xc000fac758 pc=0x8df2ea
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x2a fp=0xc000fac7e0 sp=0xc000fac7c8 pc=0x8df22a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000fac7e8 sp=0xc000fac7e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 967 [IO wait, 1 minutes]:
runtime.gopark(0x4b8dc5?, 0xc0004aa608?, 0x58?, 0xa6?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0004aa5e8 sp=0xc0004aa5c8 pc=0x437ed6
runtime.netpollblock(0xc0012d2000?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc0004aa620 sp=0xc0004aa5e8 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd072f8a0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc0004aa640 sp=0xc0004aa620 pc=0x461889
internal/poll.(*pollDesc).wait(0xc001122960?, 0xc0012d2000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc0004aa668 sp=0xc0004aa640 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc001122960, {0xc0012d2000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc0004aa700 sp=0xc0004aa668 pc=0x4d2d19
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000012c98, {0xc0012d2000?, 0x4c4757?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc0004aa758 sp=0xc0004aa700 pc=0x4dcdfe
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0003adc70)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc0004aa7c8 sp=0xc0004aa758 pc=0x8df2ea
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x2a fp=0xc0004aa7e0 sp=0xc0004aa7c8 pc=0x8df22a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0004aa7e8 sp=0xc0004aa7e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 968 [syscall, 1 minutes]:
syscall.Syscall6(0x1e1, 0x1, 0x205f, 0xc000face6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x5 fp=0xc000face18 sp=0xc000face10 pc=0x4b8e25
os.wait6(0xc00001e340?, 0xc000facf18?, 0x405d85?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4d fp=0xc000face88 sp=0xc000face18 pc=0x4e2e8d
os.(*Process).blockUntilWaitable(0xc00003c3f0)
	/usr/local/go/src/os/wait_wait6.go:20 +0x36 fp=0xc000faceb8 sp=0xc000face88 pc=0x4e2f16
os.(*Process).wait(0xc00003c3f0)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc000facf18 sp=0xc000faceb8 pc=0x4dc648
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc00065de40)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000facf80 sp=0xc000facf18 pc=0x51d085
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0003adc70)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc000facfc8 sp=0xc000facf80 pc=0x8df172
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc000facfe0 sp=0xc000facfc8 pc=0x8df10a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000facfe8 sp=0xc000facfe0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c

goroutine 1366 [IO wait, 1 minutes]:
runtime.gopark(0x4b8dc5?, 0xc000faa608?, 0x58?, 0xa6?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000faa5e8 sp=0xc000faa5c8 pc=0x437ed6
runtime.netpollblock(0xc001246000?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000faa620 sp=0xc000faa5e8 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd0889b78, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc000faa640 sp=0xc000faa620 pc=0x461889
internal/poll.(*pollDesc).wait(0xc00113ac00?, 0xc001246000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc000faa668 sp=0xc000faa640 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00113ac00, {0xc001246000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000faa700 sp=0xc000faa668 pc=0x4d2d19
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc0000124f0, {0xc001246000?, 0xc00109e708?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc000faa758 sp=0xc000faa700 pc=0x4dcdfe
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc000480150)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc000faa7c8 sp=0xc000faa758 pc=0x8df2ea
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x2a fp=0xc000faa7e0 sp=0xc000faa7c8 pc=0x8df22a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000faa7e8 sp=0xc000faa7e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 2001 [select]:
runtime.gopark(0xc000fa77b0?, 0x2?, 0x60?, 0x76?, 0xc000fa778c?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000fa7618 sp=0xc000fa75f8 pc=0x437ed6
runtime.selectgo(0xc000fa77b0, 0xc000fa7788, 0xc00121a208?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc000fa7758 sp=0xc000fa7618 pc=0x447efe
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:771 +0x7d fp=0xc000fa77e0 sp=0xc000fa7758 pc=0x8e091d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000fa77e8 sp=0xc000fa77e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.(*command).exec
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x25b

goroutine 497 [syscall, 5 minutes]:
syscall.Syscall6(0x1e1, 0x1, 0xc4c, 0xc000fa7e6c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x5 fp=0xc000fa7e18 sp=0xc000fa7e10 pc=0x4b8e25
os.wait6(0xc00008c9c0?, 0xc000fa7f18?, 0x405d85?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4d fp=0xc000fa7e88 sp=0xc000fa7e18 pc=0x4e2e8d
os.(*Process).blockUntilWaitable(0xc00021d170)
	/usr/local/go/src/os/wait_wait6.go:20 +0x36 fp=0xc000fa7eb8 sp=0xc000fa7e88 pc=0x4e2f16
os.(*Process).wait(0xc00021d170)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc000fa7f18 sp=0xc000fa7eb8 pc=0x4dc648
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc000f38000)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000fa7f80 sp=0xc000fa7f18 pc=0x51d085
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0003ac070)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc000fa7fc8 sp=0xc000fa7f80 pc=0x8df172
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc000fa7fe0 sp=0xc000fa7fc8 pc=0x8df10a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000fa7fe8 sp=0xc000fa7fe0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c

goroutine 2000 [IO wait]:
runtime.gopark(0x4b8dc5?, 0xc000faddc0?, 0x10?, 0xde?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000fadda0 sp=0xc000fadd80 pc=0x437ed6
runtime.netpollblock(0xc0010a3350?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000faddd8 sp=0xc000fadda0 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd08896c8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc000faddf8 sp=0xc000faddd8 pc=0x461889
internal/poll.(*pollDesc).wait(0xc001122000?, 0xc0010a3350?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc000fade20 sp=0xc000faddf8 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc001122000, {0xc0010a3350, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000fadeb8 sp=0xc000fade20 pc=0x4d2d19
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000012a50, {0xc0010a3350?, 0xc000fadf48?, 0x40da27?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc000fadf10 sp=0xc000fadeb8 pc=0x4dcdfe
io.ReadAtLeast({0xb12060, 0xc000012a50}, {0xc0010a3350, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:332 +0x9a fp=0xc000fadf58 sp=0xc000fadf10 pc=0x4aefba
io.ReadFull(...)
	/usr/local/go/src/io/io.go:351
github.com/google/syzkaller/pkg/ipc.(*command).handshake.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x65 fp=0xc000fadfe0 sp=0xc000fadf58 pc=0x8dfa05
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000fadfe8 sp=0xc000fadfe0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x16a

goroutine 2005 [select]:
runtime.gopark(0xc0004a4fb0?, 0x2?, 0x4e?, 0x84?, 0xc0004a4f8c?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0004a4e18 sp=0xc0004a4df8 pc=0x437ed6
runtime.selectgo(0xc0004a4fb0, 0xc0004a4f88, 0x4c4757?, 0x0, 0x8df1c7?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc0004a4f58 sp=0xc0004a4e18 pc=0x447efe
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:771 +0x7d fp=0xc0004a4fe0 sp=0xc0004a4f58 pc=0x8e091d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0004a4fe8 sp=0xc0004a4fe0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.(*command).exec
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x25b

goroutine 630 [IO wait]:
runtime.gopark(0x4b8dc5?, 0xc000ee2608?, 0x58?, 0x26?, 0x4b8df9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000ee25e8 sp=0xc000ee25c8 pc=0x437ed6
runtime.netpollblock(0xc0012806c8?, 0x40472f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000ee2620 sp=0xc000ee25e8 pc=0x431237
internal/poll.runtime_pollWait(0x7f7fd072f3f0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc000ee2640 sp=0xc000ee2620 pc=0x461889
internal/poll.(*pollDesc).wait(0xc00117d620?, 0xc0012806c8?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc000ee2668 sp=0xc000ee2640 pc=0x4d1932
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00117d620, {0xc0012806c8, 0xb938, 0xb938})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000ee2700 sp=0xc000ee2668 pc=0x4d2d19
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc0000125b8, {0xc0012806c8?, 0x4c4757?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc000ee2758 sp=0xc000ee2700 pc=0x4dcdfe
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc000480380)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc000ee27c8 sp=0xc000ee2758 pc=0x8df2ea
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x2a fp=0xc000ee27e0 sp=0xc000ee27c8 pc=0x8df22a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000ee27e8 sp=0xc000ee27e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 1999 [syscall]:
syscall.Syscall6(0x1e1, 0x1, 0x4f47, 0xc000ee166c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x5 fp=0xc000ee1618 sp=0xc000ee1610 pc=0x4b8e25
os.wait6(0xc0010be4e0?, 0xc000ee1718?, 0x405d3d?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4d fp=0xc000ee1688 sp=0xc000ee1618 pc=0x4e2e8d
os.(*Process).blockUntilWaitable(0xc00003c450)
	/usr/local/go/src/os/wait_wait6.go:20 +0x36 fp=0xc000ee16b8 sp=0xc000ee1688 pc=0x4e2f16
os.(*Process).wait(0xc00003c450)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc000ee1718 sp=0xc000ee16b8 pc=0x4dc648
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc000f391e0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000ee1780 sp=0xc000ee1718 pc=0x51d085
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc000480af0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc000ee17c8 sp=0xc000ee1780 pc=0x8df172
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc000ee17e0 sp=0xc000ee17c8 pc=0x8df10a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000ee17e8 sp=0xc000ee17e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c

goroutine 631 [syscall, 2 minutes]:
syscall.Syscall6(0x1e1, 0x1, 0xce2, 0xc000edf66c, 0x10020, 0x0, 0x0)
	/usr/local/go/src/syscall/asm_unix_amd64.s:39 +0x5 fp=0xc000edf618 sp=0xc000edf610 pc=0x4b8e25
os.wait6(0xc000044000?, 0xc000edf718?, 0x405ccc?)
	/usr/local/go/src/os/wait6_netbsd.go:16 +0x4d fp=0xc000edf688 sp=0xc000edf618 pc=0x4e2e8d
os.(*Process).blockUntilWaitable(0xc00003c630)
	/usr/local/go/src/os/wait_wait6.go:20 +0x36 fp=0xc000edf6b8 sp=0xc000edf688 pc=0x4e2f16
os.(*Process).wait(0xc00003c630)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc000edf718 sp=0xc000edf6b8 pc=0x4dc648
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc00065c9a0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000edf780 sp=0xc000edf718 pc=0x51d085
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc000480380)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc000edf7c8 sp=0xc000edf780 pc=0x8df172
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc000edf7e0 sp=0xc000edf7c8 pc=0x8df10a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000edf7e8 sp=0xc000edf7e0 pc=0x467501
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c