unexpected fault address 0x9c19a0
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x9c19a0 pc=0x9c19a0]

goroutine 13 [running]:
runtime.throw({0xa3344a?, 0x4c14a7?})
	/usr/local/go/src/runtime/panic.go:1047 +0x5d fp=0xc000e75998 sp=0xc000e75968 pc=0x43627d
runtime: g 13: unexpected return pc for runtime.sigpanic called from 0x9c19a0
stack: frame={sp:0xc000e75998, fp:0xc000e759f8} stack=[0xc000e74000,0xc000e76000)
0x000000c000e75898:  0x00000000004580db <runtime.write+0x000000000000003b>  0x0000000000000002 
0x000000c000e758a8:  0x000000c000e758e0  0x0000000000437b8e <runtime.recordForPanic+0x000000000000004e> 
0x000000c000e758b8:  0x00000000004580db <runtime.write+0x000000000000003b>  0x0000000000000002 
0x000000c000e758c8:  0x0000000000c607c0  0x0000000000000001 
0x000000c000e758d8:  0x0000000000000001  0x000000c000e75918 
0x000000c000e758e8:  0x0000000000437e92 <runtime.gwrite+0x00000000000000f2>  0x0000000000c607c0 
0x000000c000e758f8:  0x0000000000000001  0x0000000000000001 
0x000000c000e75908:  0x000000c000e75980  0x0000000000000008 
0x000000c000e75918:  0x000000000046734e <runtime.systemstack+0x000000000000002e>  0x00000000004365cc <runtime.fatalthrow+0x000000000000006c> 
0x000000c000e75928:  0x000000c000e75938  0x000000c000471ba0 
0x000000c000e75938:  0x0000000000436600 <runtime.fatalthrow.func1+0x0000000000000000>  0x000000c000471ba0 
0x000000c000e75948:  0x000000000043627d <runtime.throw+0x000000000000005d>  0x000000c000e75968 
0x000000c000e75958:  0x000000c000e75988  0x000000000043627d <runtime.throw+0x000000000000005d> 
0x000000c000e75968:  0x000000c000e75970  0x00000000004362a0 <runtime.throw.func1+0x0000000000000000> 
0x000000c000e75978:  0x0000000000a3344a  0x0000000000000005 
0x000000c000e75988:  0x000000c000e759e8  0x000000000044ce0a <runtime.sigpanic+0x000000000000028a> 
0x000000c000e75998: <0x0000000000a3344a  0x00000000004c14a7 <syscall.Syscall+0x0000000000000027> 
0x000000c000e759a8:  0x00000000009c19a0  0x000000c000e75a28 
0x000000c000e759b8:  0x00000000004c14dc <syscall.Syscall+0x000000000000005c>  0x00000000004c14a7 <syscall.Syscall+0x0000000000000027> 
0x000000c000e759c8:  0x000000c000471ba0  0x000000c000e75a48 
0x000000c000e759d8:  0x00000000004c14dc <syscall.Syscall+0x000000000000005c>  0x000000c000e75a20 
0x000000c000e759e8:  0x00000000004318f7 <runtime.netpollblock+0x00000000000000f7> !0x00000000009c19a0 
0x000000c000e759f8: >0x000000000000000b  0x0000000000000000 
0x000000c000e75a08:  0x000000000000002d  0x00007f59fd6b1320 
0x000000c000e75a18:  0x000000c000e75a40  0x00000000004637a9 <internal/poll.runtime_pollWait+0x0000000000000089> 
0x000000c000e75a28:  0x00000000004bf3e5 <syscall.read+0x0000000000000045>  0x000000000040482f <runtime.ifaceeq+0x000000000000004f> 
0x000000c000e75a38:  0x000000c000e75a68  0x00000000004daa92 <internal/poll.(*pollDesc).wait+0x0000000000000032> 
0x000000c000e75a48:  0x00007f59fd6b1308  0x0000000000000072 
0x000000c000e75a58:  0x000000c0000383f0  0x000000c000e75b00 
0x000000c000e75a68:  0x00000000004dbe79 <internal/poll.(*FD).Read+0x0000000000000299>  0x000000c000081680 
0x000000c000e75a78:  0x000000c0000383f0  0x000000c000e75b01 
0x000000c000e75a88:  0x00000000004de243 <internal/poll.(*FD).Write+0x0000000000000483>  0x0100000000414725 
0x000000c000e75a98:  0x0000000000000000  0xffffffffffffffff 
0x000000c000e75aa8:  0x000000000000002d  0x000000000000000c 
0x000000c000e75ab8:  0x000000c000081698  0x00000000010964b0 
0x000000c000e75ac8:  0x0000000000c9c2c0  0x0000000000000000 
0x000000c000e75ad8:  0x0000000000000000  0x00000000004dbfe0 <internal/poll.(*FD).Read.func1+0x0000000000000000> 
0x000000c000e75ae8:  0x000000c000081680  0x000000c000e75ae8 
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:851 +0x28a fp=0xc000e759f8 sp=0xc000e75998 pc=0x44ce0a
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x588

goroutine 1 [semacquire]:
runtime.gopark(0x8e0c8f?, 0xc000f3fdf0?, 0x0?, 0x9?, 0xc0002d46f0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000f3fd80 sp=0xc000f3fd60 pc=0x438f96
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:387
runtime.semacquire1(0xc000038118, 0xf8?, 0x1, 0x0, 0xa0?)
	/usr/local/go/src/runtime/sema.go:160 +0x20f fp=0xc000f3fde8 sp=0xc000f3fd80 pc=0x44a18f
sync.runtime_Semacquire(0x52e516?)
	/usr/local/go/src/runtime/sema.go:62 +0x27 fp=0xc000f3fe20 sp=0xc000f3fde8 pc=0x465187
sync.(*WaitGroup).Wait(0xc000100240?)
	/usr/local/go/src/sync/waitgroup.go:116 +0x4b fp=0xc000f3fe48 sp=0xc000f3fe20 pc=0x4740eb
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:123 +0x625 fp=0xc000f3ff80 sp=0xc000f3fe48 pc=0x8f2905
runtime.main()
	/usr/local/go/src/runtime/proc.go:250 +0x207 fp=0xc000f3ffe0 sp=0xc000f3ff80 pc=0x438b67
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000f3ffe8 sp=0xc000f3ffe0 pc=0x4693e1

goroutine 2 [force gc (idle)]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000056fb0 sp=0xc000056f90 pc=0x438f96
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=0x438dd0
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000056fe8 sp=0xc000056fe0 pc=0x4693e1
created by runtime.init.6
	/usr/local/go/src/runtime/proc.go:293 +0x25

goroutine 3 [GC sweep wait]:
runtime.gopark(0x1?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000057780 sp=0xc000057760 pc=0x438f96
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=0x42415e
runtime.gcenable.func1()
	/usr/local/go/src/runtime/mgc.go:178 +0x26 fp=0xc0000577e0 sp=0xc0000577c8 pc=0x4193e6
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000577e8 sp=0xc0000577e0 pc=0x4693e1
created by runtime.gcenable
	/usr/local/go/src/runtime/mgc.go:178 +0x6b

goroutine 4 [GC scavenge wait]:
runtime.gopark(0xc00007c000?, 0xc606f0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000057f70 sp=0xc000057f50 pc=0x438f96
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:387
runtime.(*scavengerState).park(0x1ea9a40)
	/usr/local/go/src/runtime/mgcscavenge.go:400 +0x53 fp=0xc000057fa0 sp=0xc000057f70 pc=0x422053
runtime.bgscavenge(0x0?)
	/usr/local/go/src/runtime/mgcscavenge.go:633 +0x65 fp=0xc000057fc8 sp=0xc000057fa0 pc=0x422645
runtime.gcenable.func2()
	/usr/local/go/src/runtime/mgc.go:179 +0x26 fp=0xc000057fe0 sp=0xc000057fc8 pc=0x419386
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000057fe8 sp=0xc000057fe0 pc=0x4693e1
created by runtime.gcenable
	/usr/local/go/src/runtime/mgc.go:179 +0xaa

goroutine 17 [finalizer wait]:
runtime.gopark(0x439312?, 0x7f59fd954ae8?, 0x0?, 0x0?, 0xc000056770?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000056628 sp=0xc000056608 pc=0x438f96
runtime.runfinq()
	/usr/local/go/src/runtime/mfinal.go:193 +0x107 fp=0xc0000567e0 sp=0xc000056628 pc=0x418427
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000567e8 sp=0xc0000567e0 pc=0x4693e1
created by runtime.createfing
	/usr/local/go/src/runtime/mfinal.go:163 +0x45

goroutine 18 [select]:
runtime.gopark(0xc000052788?, 0x3?, 0x90?, 0x0?, 0xc000052772?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0000525f8 sp=0xc0000525d8 pc=0x438f96
runtime.selectgo(0xc000052788, 0xc00005276c, 0xc00016de80?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc000052738 sp=0xc0000525f8 pc=0x44909e
go.opencensus.io/stats/view.(*worker).start(0xc00016de80)
	/syzkaller/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0xad fp=0xc0000527c8 sp=0xc000052738 pc=0x88d16d
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=0x88c3a6
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x4693e1
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(0x82b027efd?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000052f50 sp=0xc000052f30 pc=0x438f96
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1275 +0xf1 fp=0xc000052fe0 sp=0xc000052f50 pc=0x41b151
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000052fe8 sp=0xc000052fe0 pc=0x4693e1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1199 +0x25

goroutine 5 [GC worker (idle)]:
runtime.gopark(0x82b0281ae?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000058750 sp=0xc000058730 pc=0x438f96
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1275 +0xf1 fp=0xc0000587e0 sp=0xc000058750 pc=0x41b151
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000587e8 sp=0xc0000587e0 pc=0x4693e1
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1199 +0x25

goroutine 8 [select]:
runtime.gopark(0xc000e77ab0?, 0x2?, 0xa0?, 0xf4?, 0xc000e77a54?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000e778d8 sp=0xc000e778b8 pc=0x438f96
runtime.selectgo(0xc000e77ab0, 0xc000e77a50, 0x20?, 0x0, 0x418f40?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc000e77a18 sp=0xc000e778d8 pc=0x44909e
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc000164460)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:717 +0x1f0 fp=0xc000e77ae0 sp=0xc000e77a18 pc=0x8efc10
github.com/google/syzkaller/pkg/ipc.makeCommand(0x0, {0xc000e64000, 0x2, 0x2}, 0xc0000805a0, 0xc000e62000, 0xc000e62008, {0x7f59fae53000, 0x1000000, 0x1000000}, ...)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:665 +0xcc5 fp=0xc000e77d58 sp=0xc000e77ae0 pc=0x8ef285
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc000086090, 0xaa42a5?, 0xc001025f80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:281 +0x1dc fp=0xc000e77e38 sp=0xc000e77d58 pc=0x8ec53c
main.(*Context).execute(0xc000546000, 0x0?, 0x0?, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:171 +0x146 fp=0xc000e77f28 sp=0xc000e77e38 pc=0x8f2f26
main.(*Context).run(0xc000546000, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:156 +0xc5 fp=0xc000e77fa0 sp=0xc000e77f28 pc=0x8f2ca5
main.main.func3()
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:119 +0x5c fp=0xc000e77fe0 sp=0xc000e77fa0 pc=0x8f2a9c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000e77fe8 sp=0xc000e77fe0 pc=0x4693e1
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x588

goroutine 29 [IO wait]:
runtime.gopark(0x4c14dc?, 0xb?, 0x0?, 0x0?, 0x9?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0000545e8 sp=0xc0000545c8 pc=0x438f96
runtime.netpollblock(0x4bf3e5?, 0x40482f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000054620 sp=0xc0000545e8 pc=0x4318f7
internal/poll.runtime_pollWait(0x7f59fd6b1128, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc000054640 sp=0xc000054620 pc=0x4637a9
internal/poll.(*pollDesc).wait(0xc000e5ed20?, 0xc001200000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc000054668 sp=0xc000054640 pc=0x4daa92
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000e5ed20, {0xc001200000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000054700 sp=0xc000054668 pc=0x4dbe79
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000e62080, {0xc001200000?, 0xc000054790?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc000054758 sp=0xc000054700 pc=0x4e72de
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc000164380)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc0000547c8 sp=0xc000054758 pc=0x8ef66a
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x2a fp=0xc0000547e0 sp=0xc0000547c8 pc=0x8ef5aa
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000547e8 sp=0xc0000547e0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 9 [select]:
runtime.gopark(0xc000e79ab0?, 0x2?, 0x20?, 0x0?, 0xc000e79a54?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000e798d8 sp=0xc000e798b8 pc=0x438f96
runtime.selectgo(0xc000e79ab0, 0xc000e79a50, 0x20?, 0x0, 0x418f40?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc000e79a18 sp=0xc000e798d8 pc=0x44909e
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc000164380)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:717 +0x1f0 fp=0xc000e79ae0 sp=0xc000e79a18 pc=0x8efc10
github.com/google/syzkaller/pkg/ipc.makeCommand(0x1, {0xc000e64040, 0x2, 0x2}, 0xc0000805a0, 0xc000e62040, 0xc000e62048, {0x7f59f7253000, 0x1000000, 0x1000000}, ...)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:665 +0xcc5 fp=0xc000e79d58 sp=0xc000e79ae0 pc=0x8ef285
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc000086120, 0xaa42a5?, 0xc001025f80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:281 +0x1dc fp=0xc000e79e38 sp=0xc000e79d58 pc=0x8ec53c
main.(*Context).execute(0xc000546000, 0x1?, 0x0?, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:171 +0x146 fp=0xc000e79f28 sp=0xc000e79e38 pc=0x8f2f26
main.(*Context).run(0xc000546000, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:156 +0xc5 fp=0xc000e79fa0 sp=0xc000e79f28 pc=0x8f2ca5
main.main.func3()
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:119 +0x5c fp=0xc000e79fe0 sp=0xc000e79fa0 pc=0x8f2a9c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000e79fe8 sp=0xc000e79fe0 pc=0x4693e1
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x588

goroutine 10 [IO wait]:
runtime.gopark(0x9c19a0?, 0xb?, 0x0?, 0x0?, 0x33?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0010d99f8 sp=0xc0010d99d8 pc=0x438f96
runtime.netpollblock(0x4bf3e5?, 0x40482f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc0010d9a30 sp=0xc0010d99f8 pc=0x4318f7
internal/poll.runtime_pollWait(0x7f59fd6b0d68, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc0010d9a50 sp=0xc0010d9a30 pc=0x4637a9
internal/poll.(*pollDesc).wait(0xc000081a40?, 0xc000038400?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc0010d9a78 sp=0xc0010d9a50 pc=0x4daa92
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000081a40, {0xc000038400, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc0010d9b10 sp=0xc0010d9a78 pc=0x4dbe79
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000c8bfc0, {0xc000038400?, 0xc0010d9ba0?, 0x40de27?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc0010d9b68 sp=0xc0010d9b10 pc=0x4e72de
io.ReadAtLeast({0xc9b700, 0xc000c8bfc0}, {0xc000038400, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:332 +0x9a fp=0xc0010d9bb0 sp=0xc0010d9b68 pc=0x4748ba
io.ReadFull(...)
	/usr/local/go/src/io/io.go:351
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0005462a0, 0x1000000?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:786 +0x559 fp=0xc0010d9d58 sp=0xc0010d9bb0 pc=0x8f0579
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00029e750, 0x0?, 0xc001025f80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:286 +0x24e fp=0xc0010d9e38 sp=0xc0010d9d58 pc=0x8ec5ae
main.(*Context).execute(0xc000546000, 0x2?, 0x0?, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:171 +0x146 fp=0xc0010d9f28 sp=0xc0010d9e38 pc=0x8f2f26
main.(*Context).run(0xc000546000, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:156 +0xc5 fp=0xc0010d9fa0 sp=0xc0010d9f28 pc=0x8f2ca5
main.main.func3()
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:119 +0x5c fp=0xc0010d9fe0 sp=0xc0010d9fa0 pc=0x8f2a9c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010d9fe8 sp=0xc0010d9fe0 pc=0x4693e1
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x588

goroutine 11 [sleep]:
runtime.gopark(0xa9a4e4e15?, 0x19?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0001abdf8 sp=0xc0001abdd8 pc=0x438f96
time.Sleep(0x3b9aca00)
	/usr/local/go/src/runtime/time.go:195 +0x135 fp=0xc0001abe38 sp=0xc0001abdf8 pc=0x466315
main.(*Context).execute(0xc000546000, 0x3?, 0x0?, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:178 +0x11f fp=0xc0001abf28 sp=0xc0001abe38 pc=0x8f2eff
main.(*Context).run(0xc000546000, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:156 +0xc5 fp=0xc0001abfa0 sp=0xc0001abf28 pc=0x8f2ca5
main.main.func3()
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:119 +0x5c fp=0xc0001abfe0 sp=0xc0001abfa0 pc=0x8f2a9c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0001abfe8 sp=0xc0001abfe0 pc=0x4693e1
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x588

goroutine 12 [IO wait]:
runtime.gopark(0xc0002b2008?, 0xb?, 0x0?, 0x0?, 0x1a?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0010df9f8 sp=0xc0010df9d8 pc=0x438f96
runtime.netpollblock(0x4bf3e5?, 0x40482f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc0010dfa30 sp=0xc0010df9f8 pc=0x4318f7
internal/poll.runtime_pollWait(0x7f59fd977298, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc0010dfa50 sp=0xc0010dfa30 pc=0x4637a9
internal/poll.(*pollDesc).wait(0xc0000811a0?, 0xc00012e350?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc0010dfa78 sp=0xc0010dfa50 pc=0x4daa92
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0000811a0, {0xc00012e350, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc0010dfb10 sp=0xc0010dfa78 pc=0x4dbe79
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000c8bf40, {0xc00012e350?, 0xc0010dfba0?, 0x40de27?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc0010dfb68 sp=0xc0010dfb10 pc=0x4e72de
io.ReadAtLeast({0xc9b700, 0xc000c8bf40}, {0xc00012e350, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:332 +0x9a fp=0xc0010dfbb0 sp=0xc0010dfb68 pc=0x4748ba
io.ReadFull(...)
	/usr/local/go/src/io/io.go:351
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0005461c0, 0x7f59faa53000?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:786 +0x559 fp=0xc0010dfd58 sp=0xc0010dfbb0 pc=0x8f0579
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00029e630, 0x0?, 0xc001025f80)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:286 +0x24e fp=0xc0010dfe38 sp=0xc0010dfd58 pc=0x8ec5ae
main.(*Context).execute(0xc000546000, 0x4?, 0x0?, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:171 +0x146 fp=0xc0010dff28 sp=0xc0010dfe38 pc=0x8f2f26
main.(*Context).run(0xc000546000, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:156 +0xc5 fp=0xc0010dffa0 sp=0xc0010dff28 pc=0x8f2ca5
main.main.func3()
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:119 +0x5c fp=0xc0010dffe0 sp=0xc0010dffa0 pc=0x8f2a9c
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010dffe8 sp=0xc0010dffe0 pc=0x4693e1
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x588

goroutine 14 [chan receive]:
runtime.gopark(0xc0010a2e88?, 0xc0010a2ee0?, 0x53?, 0xc8?, 0xc0010a2ee0?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0010a2eb0 sp=0xc0010a2e90 pc=0x438f96
runtime.chanrecv(0xc000080960, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x49d fp=0xc0010a2f40 sp=0xc0010a2eb0 pc=0x406f5d
runtime.chanrecv1(0xc000080960?, 0xc0010a2fb0?)
	/usr/local/go/src/runtime/chan.go:442 +0x18 fp=0xc0010a2f68 sp=0xc0010a2f40 pc=0x406a98
github.com/google/syzkaller/pkg/osutil.HandleInterrupts.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:78 +0x8a fp=0xc0010a2fe0 sp=0xc0010a2f68 pc=0x52e5ca
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010a2fe8 sp=0xc0010a2fe0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/osutil.HandleInterrupts
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:75 +0x56

goroutine 15 [select, locked to thread]:
runtime.gopark(0xc0010a37a8?, 0x2?, 0x12?, 0x93?, 0xc0010a37a4?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0010a3618 sp=0xc0010a35f8 pc=0x438f96
runtime.selectgo(0xc0010a37a8, 0xc0010a37a0, 0x0?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc0010a3758 sp=0xc0010a3618 pc=0x44909e
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1000 +0x1af fp=0xc0010a37e0 sp=0xc0010a3758 pc=0x46122f
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010a37e8 sp=0xc0010a37e0 pc=0x4693e1
created by runtime.ensureSigM
	/usr/local/go/src/runtime/signal_unix.go:983 +0xbd

goroutine 16 [syscall]:
runtime.notetsleepg(0x0?, 0x0?)
	/usr/local/go/src/runtime/lock_futex.go:236 +0x34 fp=0xc0010a3fa0 sp=0xc0010a3f68 pc=0x40c534
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x2f fp=0xc0010a3fc0 sp=0xc0010a3fa0 pc=0x4659af
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x19 fp=0xc0010a3fe0 sp=0xc0010a3fc0 pc=0x52cc59
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010a3fe8 sp=0xc0010a3fe0 pc=0x4693e1
created by os/signal.Notify.func1.1
	/usr/local/go/src/os/signal/signal.go:151 +0x2a

goroutine 36 [IO wait]:
runtime.gopark(0x430316?, 0xb?, 0x0?, 0x0?, 0x18?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0000595e8 sp=0xc0000595c8 pc=0x438f96
runtime.netpollblock(0x4bf3e5?, 0x40482f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000059620 sp=0xc0000595e8 pc=0x4318f7
internal/poll.runtime_pollWait(0x7f59fd977478, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc000059640 sp=0xc000059620 pc=0x4637a9
internal/poll.(*pollDesc).wait(0xc0000810e0?, 0xc001100000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc000059668 sp=0xc000059640 pc=0x4daa92
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0000810e0, {0xc001100000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000059700 sp=0xc000059668 pc=0x4dbe79
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000c8bf30, {0xc001100000?, 0x0?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc000059758 sp=0xc000059700 pc=0x4e72de
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0005461c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc0000597c8 sp=0xc000059758 pc=0x8ef66a
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=0x8ef5aa
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000597e8 sp=0xc0000597e0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 37 [runnable]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x16?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000059de8 sp=0xc000059dc8 pc=0x438f96
runtime.netpollblock(0x4bf3e5?, 0x40482f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc000059e20 sp=0xc000059de8 pc=0x4318f7
internal/poll.runtime_pollWait(0x7f59fd6b14e8, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc000059e40 sp=0xc000059e20 pc=0x4637a9
internal/poll.(*pollDesc).wait(0xc0000815c0?, 0xc00116006a?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc000059e68 sp=0xc000059e40 pc=0x4daa92
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0000815c0, {0xc00116006a, 0x1ff96, 0x1ff96})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc000059f00 sp=0xc000059e68 pc=0x4dbe79
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000c8bf78, {0xc00116006a?, 0x0?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc000059f58 sp=0xc000059f00 pc=0x4e72de
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc000546230)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc000059fc8 sp=0xc000059f58 pc=0x8ef66a
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x2a fp=0xc000059fe0 sp=0xc000059fc8 pc=0x8ef5aa
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000059fe8 sp=0xc000059fe0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 38 [IO wait]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x31?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0010a55e8 sp=0xc0010a55c8 pc=0x438f96
runtime.netpollblock(0x4bf3e5?, 0x40482f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc0010a5620 sp=0xc0010a55e8 pc=0x4318f7
internal/poll.runtime_pollWait(0x7f59fd6b0f48, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc0010a5640 sp=0xc0010a5620 pc=0x4637a9
internal/poll.(*pollDesc).wait(0xc000081980?, 0xc001180000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc0010a5668 sp=0xc0010a5640 pc=0x4daa92
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000081980, {0xc001180000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc0010a5700 sp=0xc0010a5668 pc=0x4dbe79
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000c8bfb0, {0xc001180000?, 0x0?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc0010a5758 sp=0xc0010a5700 pc=0x4e72de
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0005462a0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc0010a57c8 sp=0xc0010a5758 pc=0x8ef66a
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x2a fp=0xc0010a57e0 sp=0xc0010a57c8 pc=0x8ef5aa
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010a57e8 sp=0xc0010a57e0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 30 [syscall]:
syscall.Syscall6(0xc00109ee08?, 0x448793?, 0x438f96?, 0x1?, 0x0?, 0xc00109ef48?, 0x449654?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x36 fp=0xc00109ede0 sp=0xc00109ed58 pc=0x4c1536
os.(*Process).blockUntilWaitable(0xc00003e4b0)
	/usr/local/go/src/os/wait_waitid.go:32 +0x87 fp=0xc00109eeb8 sp=0xc00109ede0 pc=0x4edee7
os.(*Process).wait(0xc00003e4b0)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc00109ef18 sp=0xc00109eeb8 pc=0x4e6b28
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc000e6a2c0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc00109ef80 sp=0xc00109ef18 pc=0x528885
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc000164380)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc00109efc8 sp=0xc00109ef80 pc=0x8ef4f2
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc00109efe0 sp=0xc00109efc8 pc=0x8ef48a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc00109efe8 sp=0xc00109efe0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c

goroutine 39 [runnable]:
syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x36 fp=0xc0010a5de0 sp=0xc0010a5d58 pc=0x4c1536
os.(*Process).blockUntilWaitable(0xc00029ad50)
	/usr/local/go/src/os/wait_waitid.go:32 +0x87 fp=0xc0010a5eb8 sp=0xc0010a5de0 pc=0x4edee7
os.(*Process).wait(0xc00029ad50)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc0010a5f18 sp=0xc0010a5eb8 pc=0x4e6b28
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc0002a1e40)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0010a5f80 sp=0xc0010a5f18 pc=0x528885
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc000546230)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc0010a5fc8 sp=0xc0010a5f80 pc=0x8ef4f2
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc0010a5fe0 sp=0xc0010a5fc8 pc=0x8ef48a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010a5fe8 sp=0xc0010a5fe0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c

goroutine 48 [select]:
runtime.gopark(0xc0000537b0?, 0x2?, 0x60?, 0x36?, 0xc00005378c?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc000053618 sp=0xc0000535f8 pc=0x438f96
runtime.selectgo(0xc0000537b0, 0xc000053788, 0xc0000382f8?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc000053758 sp=0xc000053618 pc=0x44909e
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:771 +0x7d fp=0xc0000537e0 sp=0xc000053758 pc=0x8f0c1d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x25b

goroutine 41 [syscall]:
syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x36 fp=0xc0010e4de0 sp=0xc0010e4d58 pc=0x4c1536
os.(*Process).blockUntilWaitable(0xc00029adb0)
	/usr/local/go/src/os/wait_waitid.go:32 +0x87 fp=0xc0010e4eb8 sp=0xc0010e4de0 pc=0x4edee7
os.(*Process).wait(0xc00029adb0)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc0010e4f18 sp=0xc0010e4eb8 pc=0x4e6b28
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc0002a1ce0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0010e4f80 sp=0xc0010e4f18 pc=0x528885
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0005461c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc0010e4fc8 sp=0xc0010e4f80 pc=0x8ef4f2
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc0010e4fe0 sp=0xc0010e4fc8 pc=0x8ef48a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010e4fe8 sp=0xc0010e4fe0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c

goroutine 69 [select]:
runtime.gopark(0xc0010e57b0?, 0x2?, 0x60?, 0x56?, 0xc0010e578c?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0010e5618 sp=0xc0010e55f8 pc=0x438f96
runtime.selectgo(0xc0010e57b0, 0xc0010e5788, 0xc0000382fc?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc0010e5758 sp=0xc0010e5618 pc=0x44909e
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:771 +0x7d fp=0xc0010e57e0 sp=0xc0010e5758 pc=0x8f0c1d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010e57e8 sp=0xc0010e57e0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x25b

goroutine 43 [syscall]:
syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x36 fp=0xc0010e5de0 sp=0xc0010e5d58 pc=0x4c1536
os.(*Process).blockUntilWaitable(0xc00029ae10)
	/usr/local/go/src/os/wait_waitid.go:32 +0x87 fp=0xc0010e5eb8 sp=0xc0010e5de0 pc=0x4edee7
os.(*Process).wait(0xc00029ae10)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc0010e5f18 sp=0xc0010e5eb8 pc=0x4e6b28
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc0010ce000)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0010e5f80 sp=0xc0010e5f18 pc=0x528885
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0005462a0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc0010e5fc8 sp=0xc0010e5f80 pc=0x8ef4f2
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc0010e5fe0 sp=0xc0010e5fc8 pc=0x8ef48a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010e5fe8 sp=0xc0010e5fe0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c

goroutine 49 [select]:
runtime.gopark(0xc0010e67b0?, 0x2?, 0x60?, 0x66?, 0xc0010e678c?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0010e6618 sp=0xc0010e65f8 pc=0x438f96
runtime.selectgo(0xc0010e67b0, 0xc0010e6788, 0xc000038300?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x7be fp=0xc0010e6758 sp=0xc0010e6618 pc=0x44909e
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:771 +0x7d fp=0xc0010e67e0 sp=0xc0010e6758 pc=0x8f0c1d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010e67e8 sp=0xc0010e67e0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.(*command).exec
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x25b

goroutine 31 [IO wait]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0xc?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc00109f5a0 sp=0xc00109f580 pc=0x438f96
runtime.netpollblock(0x4bf3e5?, 0x40482f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc00109f5d8 sp=0xc00109f5a0 pc=0x4318f7
internal/poll.runtime_pollWait(0x7f59fd977658, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc00109f5f8 sp=0xc00109f5d8 pc=0x4637a9
internal/poll.(*pollDesc).wait(0xc000e5ede0?, 0xc00012e2a0?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc00109f620 sp=0xc00109f5f8 pc=0x4daa92
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000e5ede0, {0xc00012e2a0, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc00109f6b8 sp=0xc00109f620 pc=0x4dbe79
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000e62090, {0xc00012e2a0?, 0xc00109f748?, 0x40de27?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc00109f710 sp=0xc00109f6b8 pc=0x4e72de
io.ReadAtLeast({0xc9b700, 0xc000e62090}, {0xc00012e2a0, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:332 +0x9a fp=0xc00109f758 sp=0xc00109f710 pc=0x4748ba
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=0xc00109f7e0 sp=0xc00109f758 pc=0x8efd65
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc00109f7e8 sp=0xc00109f7e0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x16a

goroutine 66 [IO wait]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0xb?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc00109fde8 sp=0xc00109fdc8 pc=0x438f96
runtime.netpollblock(0x4bf3e5?, 0x40482f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc00109fe20 sp=0xc00109fde8 pc=0x4318f7
internal/poll.runtime_pollWait(0x7f59fd6b0b88, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc00109fe40 sp=0xc00109fe20 pc=0x4637a9
internal/poll.(*pollDesc).wait(0xc000e5f2c0?, 0xc001220000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc00109fe68 sp=0xc00109fe40 pc=0x4daa92
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000e5f2c0, {0xc001220000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc00109ff00 sp=0xc00109fe68 pc=0x4dbe79
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000e620b0, {0xc001220000?, 0x0?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc00109ff58 sp=0xc00109ff00 pc=0x4e72de
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc000164460)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x8a fp=0xc00109ffc8 sp=0xc00109ff58 pc=0x8ef66a
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x2a fp=0xc00109ffe0 sp=0xc00109ffc8 pc=0x8ef5aa
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc00109ffe8 sp=0xc00109ffe0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa7b

goroutine 67 [syscall]:
syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x36 fp=0xc0010a05e0 sp=0xc0010a0558 pc=0x4c1536
os.(*Process).blockUntilWaitable(0xc00003e660)
	/usr/local/go/src/os/wait_waitid.go:32 +0x87 fp=0xc0010a06b8 sp=0xc0010a05e0 pc=0x4edee7
os.(*Process).wait(0xc00003e660)
	/usr/local/go/src/os/exec_unix.go:22 +0x28 fp=0xc0010a0718 sp=0xc0010a06b8 pc=0x4e6b28
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc000e6a420)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc0010a0780 sp=0xc0010a0718 pc=0x528885
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc000164460)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x32 fp=0xc0010a07c8 sp=0xc0010a0780 pc=0x8ef4f2
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x2a fp=0xc0010a07e0 sp=0xc0010a07c8 pc=0x8ef48a
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010a07e8 sp=0xc0010a07e0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.makeCommand
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc7c

goroutine 68 [IO wait]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x13?)
	/usr/local/go/src/runtime/proc.go:381 +0xd6 fp=0xc0010a0da0 sp=0xc0010a0d80 pc=0x438f96
runtime.netpollblock(0x4bf3e5?, 0x40482f?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:527 +0xf7 fp=0xc0010a0dd8 sp=0xc0010a0da0 pc=0x4318f7
internal/poll.runtime_pollWait(0x7f59fd977838, 0x72)
	/usr/local/go/src/runtime/netpoll.go:306 +0x89 fp=0xc0010a0df8 sp=0xc0010a0dd8 pc=0x4637a9
internal/poll.(*pollDesc).wait(0xc000e5f380?, 0xc00012e320?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 fp=0xc0010a0e20 sp=0xc0010a0df8 pc=0x4daa92
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000e5f380, {0xc00012e320, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:167 +0x299 fp=0xc0010a0eb8 sp=0xc0010a0e20 pc=0x4dbe79
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:31
os.(*File).Read(0xc000e620c0, {0xc00012e320?, 0xc0010a0f48?, 0x40de27?})
	/usr/local/go/src/os/file.go:118 +0x5e fp=0xc0010a0f10 sp=0xc0010a0eb8 pc=0x4e72de
io.ReadAtLeast({0xc9b700, 0xc000e620c0}, {0xc00012e320, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:332 +0x9a fp=0xc0010a0f58 sp=0xc0010a0f10 pc=0x4748ba
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=0xc0010a0fe0 sp=0xc0010a0f58 pc=0x8efd65
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0010a0fe8 sp=0xc0010a0fe0 pc=0x4693e1
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x16a