/usr/local/go/src/runtime/panic.go:774 +0x72 fp=0xc00003d5d0 sp=0xc00003d5a0 pc=0x42e9e2 runtime.sigpanic() /usr/local/go/src/runtime/signal_unix.go:378 +0x47c fp=0xc00003d600 sp=0xc00003d5d0 pc=0x443f6c runtime.(*mSpanList).remove(0xd61738, 0x210e8b010) /usr/local/go/src/runtime/mheap.go:1594 +0x6c fp=0xc00003d638 sp=0xc00003d600 pc=0x426b5c runtime.(*mcentral).freeSpan(0xd61718, 0x210e8b010, 0x100, 0x0) /usr/local/go/src/runtime/mcentral.go:229 +0x133 fp=0xc00003d660 sp=0xc00003d638 pc=0x4177c3 runtime.(*mspan).sweep(0x210e8b010, 0xc000054000, 0x457500) /usr/local/go/src/runtime/mgcsweep.go:366 +0x5c6 fp=0xc00003d740 sp=0xc00003d660 pc=0x422c16 runtime.sweepone(0x91db48) /usr/local/go/src/runtime/mgcsweep.go:136 +0x285 fp=0xc00003d7a8 sp=0xc00003d740 pc=0x4223e5 runtime.bgsweep(0xc000054000) /usr/local/go/src/runtime/mgcsweep.go:73 +0xba fp=0xc00003d7d8 sp=0xc00003d7a8 pc=0x4220aa runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc00003d7e0 sp=0xc00003d7d8 pc=0x45d471 created by runtime.gcenable /usr/local/go/src/runtime/mgc.go:210 +0x5c goroutine 1 [select]: main.(*Fuzzer).pollLoop(0xc0000f0c60) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:320 +0x127 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:262 +0x12bd goroutine 19 [IO wait]: internal/poll.runtime_pollWait(0x299967ec8, 0x72, 0xffffffffffffffff) /usr/local/go/src/runtime/netpoll.go:184 +0x55 internal/poll.(*pollDesc).wait(0xc0000c1218, 0x72, 0x1000, 0x1000, 0xffffffffffffffff) /usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:92 internal/poll.(*FD).Read(0xc0000c1200, 0xc000222000, 0x1000, 0x1000, 0x0, 0x0, 0x0) /usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf net.(*netFD).Read(0xc0000c1200, 0xc000222000, 0x1000, 0x1000, 0xc00014fa60, 0xc00014fb40, 0x7c388d) /usr/local/go/src/net/fd_unix.go:202 +0x4f net.(*conn).Read(0xc00000f2f0, 0xc000222000, 0x1000, 0x1000, 0x0, 0x0, 0x0) /usr/local/go/src/net/net.go:184 +0x68 bufio.(*Reader).fill(0xc000057d40) /usr/local/go/src/bufio/bufio.go:100 +0x103 bufio.(*Reader).ReadByte(0xc000057d40, 0xc00014fc00, 0xc0000c1280, 0xc00000dca0) /usr/local/go/src/bufio/bufio.go:252 +0x39 compress/flate.(*decompressor).moreBits(0xc000125300, 0x91cc30, 0xc00014fb88) /usr/local/go/src/compress/flate/inflate.go:696 +0x37 compress/flate.(*decompressor).nextBlock(0xc000125300) /usr/local/go/src/compress/flate/inflate.go:303 +0x36 compress/flate.(*decompressor).Read(0xc000125300, 0xc00022e000, 0x1000, 0x1000, 0x892e40, 0xc001d92cf0, 0x199) /usr/local/go/src/compress/flate/inflate.go:347 +0x77 github.com/google/syzkaller/pkg/rpctype.(*flateConn).Read(0xc0000fab40, 0xc00022e000, 0x1000, 0x1000, 0x10, 0xc00014fb88, 0x7c36ed) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:131 +0x51 bufio.(*Reader).Read(0xc000057da0, 0xc000020a60, 0x1, 0x9, 0x0, 0x0, 0xc00014fd70) /usr/local/go/src/bufio/bufio.go:226 +0x26a io.ReadAtLeast(0x99dcc0, 0xc000057da0, 0xc000020a60, 0x1, 0x9, 0x1, 0x1, 0x0, 0x0) /usr/local/go/src/io/io.go:310 +0x87 io.ReadFull(...) /usr/local/go/src/io/io.go:329 encoding/gob.decodeUintReader(0x99dcc0, 0xc000057da0, 0xc000020a60, 0x9, 0x9, 0x4050d5, 0x43080c, 0xc00014fd48, 0x45a320) /usr/local/go/src/encoding/gob/decode.go:120 +0x6f encoding/gob.(*Decoder).recvMessage(0xc0000c1280, 0x404fbc) /usr/local/go/src/encoding/gob/decoder.go:81 +0x57 encoding/gob.(*Decoder).decodeTypeSequence(0xc0000c1280, 0xc000000100, 0xc00014fe10) /usr/local/go/src/encoding/gob/decoder.go:143 +0x10c encoding/gob.(*Decoder).DecodeValue(0xc0000c1280, 0x82da20, 0xc0000fb020, 0x16, 0x0, 0x0) /usr/local/go/src/encoding/gob/decoder.go:211 +0x10b encoding/gob.(*Decoder).Decode(0xc0000c1280, 0x82da20, 0xc0000fb020, 0x0, 0x0) /usr/local/go/src/encoding/gob/decoder.go:188 +0x16d net/rpc.(*gobClientCodec).ReadResponseHeader(0xc0000fac30, 0xc0000fb020, 0xc001d92cc0, 0x0) /usr/local/go/src/net/rpc/client.go:228 +0x45 net/rpc.(*Client).input(0xc000057e60) /usr/local/go/src/net/rpc/client.go:109 +0xa5 created by net/rpc.NewClientWithCodec /usr/local/go/src/net/rpc/client.go:206 +0x89 goroutine 7 [syscall, 1 minutes]: os/signal.signal_recv(0x0) /usr/local/go/src/runtime/sigqueue.go:147 +0x9c os/signal.loop() /usr/local/go/src/os/signal/signal_unix.go:23 +0x22 created by os/signal.init.0 /usr/local/go/src/os/signal/signal_unix.go:29 +0x41 goroutine 16 [chan receive, 1 minutes]: main.main.func1(0xc00006a540) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:137 +0x34 created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:135 +0x5b0 goroutine 15 [chan receive, 1 minutes]: github.com/google/syzkaller/pkg/osutil.HandleInterrupts.func1(0xc00006a540) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:74 +0xb6 created by github.com/google/syzkaller/pkg/osutil.HandleInterrupts /syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:71 +0x3f goroutine 23 [IO wait]: internal/poll.runtime_pollWait(0x2999679e8, 0x72, 0xffffffffffffffff) /usr/local/go/src/runtime/netpoll.go:184 +0x55 internal/poll.(*pollDesc).wait(0xc0024f0fd8, 0x72, 0x1, 0xc, 0xffffffffffffffff) /usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:92 internal/poll.(*FD).Read(0xc0024f0fc0, 0xc002ea2e10, 0xc, 0xc, 0x0, 0x0, 0x0) /usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf os.(*File).read(...) /usr/local/go/src/os/file_unix.go:259 os.(*File).Read(0xc00105b908, 0xc002ea2e10, 0xc, 0xc, 0xc0027499d8, 0x40c698, 0x10) /usr/local/go/src/os/file.go:116 +0x71 io.ReadAtLeast(0x99e460, 0xc00105b908, 0xc002ea2e10, 0xc, 0xc, 0xc, 0x0, 0x3ff520, 0x3ff520) /usr/local/go/src/io/io.go:310 +0x87 io.ReadFull(...) /usr/local/go/src/io/io.go:329 github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0022ae0e0, 0xc000022a00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a2300, 0xc002749c00, 0x0, ...) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:748 +0x282 github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc000092090, 0xc000022a00, 0xc002fe4240, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc002749d58, 0x7b099b) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:280 +0x108 main.(*Proc).executeRaw(0xc0023e8d00, 0xc000022a00, 0xc002fe4240, 0x1, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:292 +0x20c main.(*Proc).execute(0xc0023e8d00, 0xc000022a00, 0xc002fe4240, 0x0, 0x1, 0x1) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x6a main.(*Proc).loop(0xc0023e8d00) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:101 +0x4de created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:259 +0x114c goroutine 24 [IO wait]: internal/poll.runtime_pollWait(0x299967ab8, 0x72, 0xffffffffffffffff) /usr/local/go/src/runtime/netpoll.go:184 +0x55 internal/poll.(*pollDesc).wait(0xc0024f17b8, 0x72, 0x1, 0xc, 0xffffffffffffffff) /usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:92 internal/poll.(*FD).Read(0xc0024f17a0, 0xc002ea2630, 0xc, 0xc, 0x0, 0x0, 0x0) /usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf os.(*File).read(...) /usr/local/go/src/os/file_unix.go:259 os.(*File).Read(0xc00000f338, 0xc002ea2630, 0xc, 0xc, 0xc002b5b9d8, 0x40c698, 0x10) /usr/local/go/src/os/file.go:116 +0x71 io.ReadAtLeast(0x99e460, 0xc00000f338, 0xc002ea2630, 0xc, 0xc, 0xc, 0x0, 0x3ff610, 0x3ff610) /usr/local/go/src/io/io.go:310 +0x87 io.ReadFull(...) /usr/local/go/src/io/io.go:329 github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0022ae8c0, 0xc000022a00, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd61a18, 0x203000, 0x203000, ...) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:748 +0x282 github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc000092120, 0xc000022a00, 0xc002f8a580, 0xc002b5bce8, 0x7b0fc4, 0xc002b5bd40, 0x44500e, 0x413b6a, 0xc002f3c580, 0xc002f76e88) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:280 +0x108 main.(*Proc).executeRaw(0xc0023e8d40, 0xc000022a00, 0xc002f8a580, 0x1, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:292 +0x20c main.(*Proc).execute(0xc0023e8d40, 0xc000022a00, 0xc002f8a580, 0x0, 0x1, 0x1) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x6a main.(*Proc).loop(0xc0023e8d40) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:101 +0x4de created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:259 +0x114c goroutine 883 [select]: github.com/google/syzkaller/pkg/ipc.(*command).exec.func1(0xc0022ae8c0, 0xc0014b2060, 0xc0014b2000) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:733 +0xba created by github.com/google/syzkaller/pkg/ipc.(*command).exec /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:731 +0x19c goroutine 884 [select]: github.com/google/syzkaller/pkg/ipc.(*command).exec.func1(0xc0022ae0e0, 0xc0014b21e0, 0xc0014b2180) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:733 +0xba created by github.com/google/syzkaller/pkg/ipc.(*command).exec /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:731 +0x19c goroutine 27 [IO wait]: internal/poll.runtime_pollWait(0x299967d28, 0x72, 0xffffffffffffffff) /usr/local/go/src/runtime/netpoll.go:184 +0x55 internal/poll.(*pollDesc).wait(0xc0024f0f18, 0x72, 0x1ff01, 0x1ffa3, 0xffffffffffffffff) /usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:92 internal/poll.(*FD).Read(0xc0024f0f00, 0xc00317605d, 0x1ffa3, 0x1ffa3, 0x0, 0x0, 0x0) /usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf os.(*File).read(...) /usr/local/go/src/os/file_unix.go:259 os.(*File).Read(0xc00105b8f8, 0xc00317605d, 0x1ffa3, 0x1ffa3, 0xc, 0x0, 0x0) /usr/local/go/src/os/file.go:116 +0x71 github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc00105b8f8, 0xc0022ae0e0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:594 +0xaf created by github.com/google/syzkaller/pkg/ipc.makeCommand /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:588 +0x89f goroutine 420 [IO wait]: internal/poll.runtime_pollWait(0x299967918, 0x72, 0xffffffffffffffff) /usr/local/go/src/runtime/netpoll.go:184 +0x55 internal/poll.(*pollDesc).wait(0xc0024f16f8, 0x72, 0x1ff01, 0x1ffaf, 0xffffffffffffffff) /usr/local/go/src/internal/poll/fd_poll_runtime.go:87 +0x45 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:92 internal/poll.(*FD).Read(0xc0024f16e0, 0xc001238051, 0x1ffaf, 0x1ffaf, 0x0, 0x0, 0x0) /usr/local/go/src/internal/poll/fd_unix.go:169 +0x1cf os.(*File).read(...) /usr/local/go/src/os/file_unix.go:259 os.(*File).Read(0xc00000f328, 0xc001238051, 0x1ffaf, 0x1ffaf, 0x27, 0x0, 0x0) /usr/local/go/src/os/file.go:116 +0x71 github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc00000f328, 0xc0022ae8c0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:594 +0xaf created by github.com/google/syzkaller/pkg/ipc.makeCommand /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:588 +0x89f