Warning: Permanently added '[localhost]:5667' (ED25519) to the list of known hosts. 1970/01/01 00:30:05 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:30:28 parsed 1 programs syzkaller login: [ 1863.987917][ T3210] cgroup: Unknown subsys name 'net' [ 1864.550247][ T3210] cgroup: Unknown subsys name 'cpuset' [ 1864.857775][ T3210] cgroup: Unknown subsys name 'rlimit' [ 1919.831059][ T3210] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 1944.571986][ T3222] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x56e068] goroutine 11 [running]: github.com/google/syzkaller/prog.(*Prog).serialize(0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:40 +0x80 github.com/google/syzkaller/prog.(*Prog).Serialize(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:30 github.com/google/syzkaller/pkg/rpcserver.(*Runner).handleExecResult(0xc00025e3c0, 0xc0012e31d0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:439 +0x17c github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc00025e3c0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:203 +0x320 github.com/google/syzkaller/pkg/rpcserver.(*server).connectionLoop(0xc0000fd500, 0xc00025e3c0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:356 +0xdc github.com/google/syzkaller/pkg/rpcserver.(*server).handleRunnerConn(0xc0000fd500, 0xc00025e3c0, 0xc0012e2690) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:294 +0x360 github.com/google/syzkaller/pkg/rpcserver.(*server).handleConn(0xc0000fd500, 0xc0012e2690) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:261 +0x254 github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1.1() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:55 +0x128 created by github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1 in goroutine 20 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:52 +0xb0 VM DIAGNOSIS: 21:34:06 Registers: info registers vcpu 0 CPU#0 V = 0 pc 00000000000ad5b0 mhartid 0000000000000000 mstatus 0000000a000040a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff861e63e4 vstvec 0000000000000000 mepc ffffffff81895258 sepc 00000000000ad5b4 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch ff6000001936cec0 satp a0172000000a00d5 x0/zero 0000000000000000 x1/ra 00000000000d9f72 x2/sp 00007fffb2822ce0 x3/gp 0000000000261918 x4/tp 00000000180a8760 x5/t0 0000000000000000 x6/t1 0000000000009000 x7/t2 0000000000000000 x8/s0 0000000000000000 x9/s1 00007fffb2822ee0 x10/a0 000000000000001a x11/a1 0000000000000000 x12/a2 00007fffb2822d78 x13/a3 0000000000000008 x14/a4 fffffffffffbfeff x15/a5 0000000000000000 x16/a6 0000000000000000 x17/a7 0000000000000086 x18/s2 000000000000001a x19/s3 0000000000255ea0 x20/s4 0000000000000041 x21/s5 00007fffde53c250 x22/s6 00007fffde53c020 x23/s7 00007fffde53def9 x24/s8 00000000180bc04c x25/s9 0000000000255ea0 x26/s10 0000000000009000 x27/s11 00007fffb281a000 x28/t3 00007fffb281a000 x29/t4 0000000000000011 x30/t5 00000004aaae06f8 x31/t6 00007fffde53c338 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff861c2aaa mhartid 0000000000000001 mstatus 0000000a000000a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff861e63e4 vstvec 0000000000000000 mepc ffffffff8008378a sepc ffffffff804b66de vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp a01710000009e7f5 x0/zero 0000000000000000 x1/ra ffffffff85642ca6 x2/sp ff20000000006d30 x3/gp ffffffff899f4f80 x4/tp ff600000182c3480 x5/t0 81987a7bdfef251d x6/t1 ff600000182c3ff0 x7/t2 0000000000000005 x8/s0 ff20000000006d20 x9/s1 ff6000001db66701 x10/a0 ffffffff881d0c40 x11/a1 ffffffff8663fba0 x12/a2 0000000000f00000 x13/a3 ffffffff856438f2 x14/a4 0000000000000000 x15/a5 ff600000182c3480 x16/a6 0000000000f00000 x17/a7 000000001471ee82 x18/s2 0000000000000001 x19/s3 ff6000003679d450 x20/s4 ffffffff90e09c00 x21/s5 0000000000000020 x22/s6 ff6000003679d466 x23/s7 ff60000018fe4c80 x24/s8 ff20000000006f60 x25/s9 ff600000181a0c80 x26/s10 dfffffff00000000 x27/s11 ff6000003679d464 x28/t3 ff600000182c3fa0 x29/t4 1fec0000030587f3 x30/t5 1fec000003058802 x31/t6 0000000000000009 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000