2021/08/06 11:07:25 fuzzer started 2021/08/06 11:07:26 dialing manager at localhost:45393 runtime: failed to create new OS thread (have 13 already; errno=11) runtime: may need to increase max user processes (ulimit -u) fatal error: newosproc runtime stack: runtime.throw(0x771be4, 0x9) /usr/lib/go-1.15/src/runtime/panic.go:1116 +0x72 runtime.newosproc(0xc000100400) /usr/lib/go-1.15/src/runtime/os_linux.go:161 +0x1c5 runtime.newm1(0xc000100400) /usr/lib/go-1.15/src/runtime/proc.go:1843 +0xdd runtime.newm(0x78fb90, 0xc00002d800, 0xc) /usr/lib/go-1.15/src/runtime/proc.go:1822 +0x9b runtime.startm(0x0, 0xc0001c3f01) /usr/lib/go-1.15/src/runtime/proc.go:1979 +0xc9 runtime.wakep() /usr/lib/go-1.15/src/runtime/proc.go:2067 +0x66 runtime.resetspinning() /usr/lib/go-1.15/src/runtime/proc.go:2539 +0x59 runtime.schedule() /usr/lib/go-1.15/src/runtime/proc.go:2690 +0x2b9 runtime.mstart1() /usr/lib/go-1.15/src/runtime/proc.go:1179 +0x93 runtime.mstart() /usr/lib/go-1.15/src/runtime/proc.go:1137 +0x6e goroutine 1 [runnable]: encoding/gob.setTypeId(0x800dc0, 0xc000381650) /usr/lib/go-1.15/src/encoding/gob/type.go:186 +0x90 encoding/gob.newStructType(...) /usr/lib/go-1.15/src/encoding/gob/type.go:429 encoding/gob.newTypeObject(0x6f07b4, 0xc, 0xc000140600, 0x804940, 0x7287c0, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.15/src/encoding/gob/type.go:522 +0xbc5 encoding/gob.getType(0x6f07b4, 0xc, 0xc000140600, 0x804940, 0x7287c0, 0x48be78, 0x7287c0, 0x6f07af, 0x11) /usr/lib/go-1.15/src/encoding/gob/type.go:598 +0xc5 encoding/gob.getBaseType(0x6f07b4, 0xc, 0x804940, 0x7287c0, 0xc000423160, 0x756ea1fb4b875a, 0x174fcfc283c703a8, 0x1) /usr/lib/go-1.15/src/encoding/gob/type.go:585 +0x68 encoding/gob.newTypeObject(0x6f1d0c, 0x13, 0xc000140580, 0x804940, 0x703840, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.15/src/encoding/gob/type.go:514 +0x1285 encoding/gob.getType(0x6f1d0c, 0x13, 0xc000140580, 0x804940, 0x703840, 0xfd08, 0x6f1d08, 0x6f1d0b, 0x14) /usr/lib/go-1.15/src/encoding/gob/type.go:598 +0xc5 encoding/gob.getBaseType(0x6f1d0c, 0x13, 0x804940, 0x703840, 0x0, 0x0, 0x804940, 0x703840) /usr/lib/go-1.15/src/encoding/gob/type.go:585 +0x68 encoding/gob.newTypeObject(0x6f214d, 0xb, 0xc000140540, 0x804940, 0x733e60, 0x0, 0x0, 0x0, 0x0) /usr/lib/go-1.15/src/encoding/gob/type.go:536 +0xdc5 encoding/gob.getType(0x6f214d, 0xb, 0xc000140540, 0x804940, 0x733e60, 0x48be78, 0x733e60, 0x6f2145, 0x13) /usr/lib/go-1.15/src/encoding/gob/type.go:598 +0xc5 encoding/gob.getBaseType(0x6f214d, 0xb, 0x804940, 0x733e60, 0xa6650042a7e49ab1, 0x0, 0x18, 0x68) /usr/lib/go-1.15/src/encoding/gob/type.go:585 +0x68 encoding/gob.buildTypeInfo(0xc000140540, 0x804940, 0x733e60, 0x0, 0x0, 0x0) /usr/lib/go-1.15/src/encoding/gob/type.go:715 +0x17a encoding/gob.getTypeInfo(0xc000140540, 0xc0002e9c80, 0xc000423778, 0xa68aa0) /usr/lib/go-1.15/src/encoding/gob/type.go:702 +0xee encoding/gob.(*Encoder).sendActualType(0xc0002f2280, 0x7fb260, 0xc000140140, 0xc000140240, 0xc000140540, 0x804940, 0x733e60, 0x9289cc6aeec4d58c) /usr/lib/go-1.15/src/encoding/gob/encoder.go:97 +0xa5 encoding/gob.(*Encoder).sendType(0xc0002f2280, 0x7fb260, 0xc000140140, 0xc000140240, 0x804940, 0x733e60, 0x804940) /usr/lib/go-1.15/src/encoding/gob/encoder.go:169 +0xdb encoding/gob.(*Encoder).sendTypeDescriptor(0xc0002f2280, 0x7fb260, 0xc000140140, 0xc000140240, 0xc000140500) /usr/lib/go-1.15/src/encoding/gob/encoder.go:191 +0xd2 encoding/gob.(*Encoder).EncodeValue(0xc0002f2280, 0x6fab60, 0xc0001401c0, 0x16, 0x0, 0x0) /usr/lib/go-1.15/src/encoding/gob/encoder.go:244 +0x2e8 encoding/gob.(*Encoder).Encode(0xc0002f2280, 0x6fab60, 0xc0001401c0, 0x0, 0x0) /usr/lib/go-1.15/src/encoding/gob/encoder.go:176 +0xa5 net/rpc.(*gobClientCodec).WriteRequest(0xc0002e9dd0, 0xc00038e8b8, 0x6fab60, 0xc0001401c0, 0x7fde41601e98, 0xc00040c518) /usr/lib/go-1.15/src/net/rpc/client.go:221 +0x7e net/rpc.(*Client).send(0xc00038e8a0, 0xc000132140) /usr/lib/go-1.15/src/net/rpc/client.go:91 +0x1d9 net/rpc.(*Client).Go(0xc00038e8a0, 0x7759a9, 0xf, 0x6fab60, 0xc0001401c0, 0x6faba0, 0xc00034c090, 0xc00038e900, 0xc00034a080) /usr/lib/go-1.15/src/net/rpc/client.go:316 +0xd0 net/rpc.(*Client).Call(...) /usr/lib/go-1.15/src/net/rpc/client.go:322 github.com/google/syzkaller/pkg/rpctype.(*RPCClient).Call(0xc00034a080, 0x7759a9, 0xf, 0x6fab60, 0xc0001401c0, 0x6faba0, 0xc00034c090, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:95 +0x171 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:197 +0x8e5 goroutine 74 [chan receive]: github.com/google/syzkaller/pkg/osutil.HandleInterrupts.func1(0xc000458060) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:79 +0xb6 created by github.com/google/syzkaller/pkg/osutil.HandleInterrupts /syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:76 +0x3f goroutine 75 [chan receive]: main.main.func1(0xc000458060) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:164 +0x34 created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:162 +0x573 goroutine 81 [syscall]: os/signal.signal_recv(0x0) /usr/lib/go-1.15/src/runtime/sigqueue.go:147 +0x9d os/signal.loop() /usr/lib/go-1.15/src/os/signal/signal_unix.go:23 +0x25 created by os/signal.Notify.func1.1 /usr/lib/go-1.15/src/os/signal/signal.go:150 +0x45 goroutine 78 [IO wait]: internal/poll.runtime_pollWait(0x7fde1a740bd0, 0x72, 0x7fbae0) /usr/lib/go-1.15/src/runtime/netpoll.go:222 +0x55 internal/poll.(*pollDesc).wait(0xc0001e4018, 0x72, 0x7fba00, 0x965518, 0x0) /usr/lib/go-1.15/src/internal/poll/fd_poll_runtime.go:87 +0x45 internal/poll.(*pollDesc).waitRead(...) /usr/lib/go-1.15/src/internal/poll/fd_poll_runtime.go:92 internal/poll.(*FD).Read(0xc0001e4000, 0xc000252000, 0x1000, 0x1000, 0x0, 0x0, 0x0) /usr/lib/go-1.15/src/internal/poll/fd_unix.go:159 +0x1a5 net.(*netFD).Read(0xc0001e4000, 0xc000252000, 0x1000, 0x1000, 0x0, 0x0, 0x0) /usr/lib/go-1.15/src/net/fd_posix.go:55 +0x4f net.(*conn).Read(0xc00040c030, 0xc000252000, 0x1000, 0x1000, 0x0, 0x0, 0x0) /usr/lib/go-1.15/src/net/net.go:182 +0x8e bufio.(*Reader).fill(0xc00038e780) /usr/lib/go-1.15/src/bufio/bufio.go:101 +0x105 bufio.(*Reader).ReadByte(0xc00038e780, 0x0, 0x0, 0x0) /usr/lib/go-1.15/src/bufio/bufio.go:253 +0x39 compress/flate.(*decompressor).moreBits(0xc0001c8000, 0x0, 0x0) /usr/lib/go-1.15/src/compress/flate/inflate.go:696 +0x37 compress/flate.(*decompressor).nextBlock(0xc0001c8000) /usr/lib/go-1.15/src/compress/flate/inflate.go:303 +0x36 compress/flate.(*decompressor).Read(0xc0001c8000, 0xc0000b5000, 0x1000, 0x1000, 0x0, 0x0, 0x0) /usr/lib/go-1.15/src/compress/flate/inflate.go:347 +0x79 github.com/google/syzkaller/pkg/rpctype.(*flateConn).Read(0xc0002e9410, 0xc0000b5000, 0x1000, 0x1000, 0x100030000, 0x0, 0xa67684) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpctype/rpc.go:136 +0x51 bufio.(*Reader).Read(0xc00038e7e0, 0xc000016040, 0x1, 0x9, 0x0, 0x0, 0x0) /usr/lib/go-1.15/src/bufio/bufio.go:227 +0x222 io.ReadAtLeast(0x7fb240, 0xc00038e7e0, 0xc000016040, 0x1, 0x9, 0x1, 0x4184c5, 0x7fde1a7d15d0, 0x0) /usr/lib/go-1.15/src/io/io.go:314 +0x87 io.ReadFull(...) /usr/lib/go-1.15/src/io/io.go:333 encoding/gob.decodeUintReader(0x7fb240, 0xc00038e7e0, 0xc000016040, 0x9, 0x9, 0x46c427, 0x203000, 0xaa, 0xa5f378) /usr/lib/go-1.15/src/encoding/gob/decode.go:120 +0x6f encoding/gob.(*Decoder).recvMessage(0xc00040e100, 0x0) /usr/lib/go-1.15/src/encoding/gob/decoder.go:81 +0x57 encoding/gob.(*Decoder).decodeTypeSequence(0xc00040e100, 0x7fde1a7d1500, 0xc000460e58) /usr/lib/go-1.15/src/encoding/gob/decoder.go:143 +0x10d encoding/gob.(*Decoder).DecodeValue(0xc00040e100, 0x6fee60, 0xc000402030, 0x16, 0x0, 0x0) /usr/lib/go-1.15/src/encoding/gob/decoder.go:211 +0xdc encoding/gob.(*Decoder).Decode(0xc00040e100, 0x6fee60, 0xc000402030, 0x30, 0x30) /usr/lib/go-1.15/src/encoding/gob/decoder.go:188 +0x173 net/rpc.(*gobClientCodec).ReadResponseHeader(0xc0002e9dd0, 0xc000402030, 0x6682d9, 0x800440) /usr/lib/go-1.15/src/net/rpc/client.go:228 +0x45 net/rpc.(*Client).input(0xc00038e8a0) /usr/lib/go-1.15/src/net/rpc/client.go:109 +0xa8 created by net/rpc.NewClientWithCodec /usr/lib/go-1.15/src/net/rpc/client.go:206 +0x89 VM DIAGNOSIS: 11:07:26 Registers: info registers vcpu 0 RAX=000000000000003d RBX=ffffffffc8f79b00 RCX=ffffffffc8f79b08 RDX=0000001ac0cd7c59 RSI=0000000000000003 RDI=ffffffffc8f79b00 RBP=fffffff001070fd8 RSP=fffffff001070fd8 R8 =0000000000000001 R9 =0000000000000002 R10=0000000000000078 R11=ffffffffc8f79bb8 R12=0000000000000000 R13=ffffffffc8f79c48 R14=ffffffffc2000130 R15=0000000000000000 RIP=ffffffffc20aad51 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0008 0000000000000000 00000000 00209900 DPL=0 CS64 [--A] SS =0010 0000000000000000 ffffffff 00809300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000100000000ce0 ffffffff 00c00000 GS =0000 ffffffffc8f79b00 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0028 ffffffffc90a8a40 00000068 00008b00 DPL=0 TSS64-busy GDT= ffff800000100374 00000037 IDT= ffffffffc8f72ef0 00000fff CR0=80010033 CR2=000000000045766a CR3=0000000000101000 CR4=000506b0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000501 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000007000000400000000004d12100 XMM01=00000007000000400000000004d12100 XMM02=00000000001000000000000000100000 XMM03=00007fe25eea7c9b0000000000000000 XMM04=0f02000a0202000a0000000000000000 XMM05=00000000000000000000000000000600 XMM06=14000000000000000000000000000000 XMM07=00000050000000000000000016003686 XMM08=be9a69efd737bb54301156dc143275eb XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000003d RBX=ffffffffc8f79dc0 RCX=ffffffffc8f79dc8 RDX=0000001223406d46 RSI=0000000000000003 RDI=ffffffffc8f79dc0 RBP=fffffff000012fd8 RSP=fffffff000012fd8 R8 =0000000000000000 R9 =ffff80000d946fc8 R10=0000000000001000 R11=ffff80000d946000 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffffc20aad51 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0008 0000000000000000 00000000 00209900 DPL=0 CS64 [--A] SS =0000 0000000000000000 ffffffff 00c00000 DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffffffffc8f79dc0 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0028 ffff80000d94b820 00000068 00008b00 DPL=0 TSS64-busy GDT= ffff80000d94b892 00000037 IDT= ffffffffc8f72ef0 00000fff CR0=80010033 CR2=0000000000000000 CR3=0000000000101000 CR4=000506b0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000501 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=504300632e737570632d6d766b2f6d76 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 2 RAX=000000000000003d RBX=ffffffffc8f7a080 RCX=ffffffffc8f7a088 RDX=00000012233ffab3 RSI=0000000000000003 RDI=ffffffffc8f7a080 RBP=fffffff000015fd8 RSP=fffffff000015fd8 R8 =0000000000000000 R9 =ffff80000d947fc8 R10=0000000000001000 R11=ffff80000d947000 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffffc20aad51 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0008 0000000000000000 00000000 00209900 DPL=0 CS64 [--A] SS =0000 0000000000000000 ffffffff 00c00000 DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffffffffc8f7a080 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0028 ffff80000d94b720 00000068 00008b00 DPL=0 TSS64-busy GDT= ffff80000d94b792 00000037 IDT= ffffffffc8f72ef0 00000fff CR0=80010033 CR2=0000000000000000 CR3=0000000000101000 CR4=000506b0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000501 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=504300632e737570632d6d766b2f6d76 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 3 RAX=000000000000003d RBX=ffffffffc8f7a340 RCX=ffffffffc8f7a348 RDX=000000122340c0fc RSI=0000000000000003 RDI=ffffffffc8f7a340 RBP=fffffff00000ffd8 RSP=fffffff00000ffd8 R8 =0000000000000000 R9 =ffff80000d945fc8 R10=0000000000001000 R11=ffff80000d945000 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffffc20aad51 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0008 0000000000000000 00000000 00209900 DPL=0 CS64 [--A] SS =0000 0000000000000000 ffffffff 00c00000 DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffffffffc8f7a340 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0028 ffff80000d94b920 00000068 00008b00 DPL=0 TSS64-busy GDT= ffff80000d94b992 00000037 IDT= ffffffffc8f72ef0 00000fff CR0=80010033 CR2=0000000000000000 CR3=0000000000101000 CR4=000506b0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000501 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=504300632e737570632d6d766b2f6d76 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000