syzkaller login: [ 192.508101][ T2895] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 192.556066][ T2895] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 192.587992][ T2895] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:51014' (ECDSA) to the list of known hosts. 1970/01/01 00:03:42 fuzzer started 1970/01/01 00:03:51 dialing manager at localhost:33369 1970/01/01 00:03:54 syscalls: 2779 1970/01/01 00:03:54 code coverage: enabled 1970/01/01 00:03:54 comparison tracing: enabled 1970/01/01 00:03:54 extra coverage: enabled 1970/01/01 00:03:54 setuid sandbox: enabled 1970/01/01 00:03:54 namespace sandbox: enabled 1970/01/01 00:03:54 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:03:54 fault injection: enabled 1970/01/01 00:03:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:03:54 net packet injection: enabled 1970/01/01 00:03:54 net device setup: enabled 1970/01/01 00:03:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:03:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:03:54 USB emulation: enabled 1970/01/01 00:03:54 hci packet injection: /dev/vhci does not exist 1970/01/01 00:03:54 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:03:54 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0x2e0564] goroutine 1 [running]: github.com/google/syzkaller/prog.(*ChoiceTable).Enabled(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prio.go:239 main.(*Fuzzer).checkDisabledCalls(0x3f9c090ea0, 0x3f9c338500) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x54 main.(*Fuzzer).deserializeInput(0x3f9c090ea0, 0x3f9c3a01a0, 0x197, 0x197, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0x118 main.(*Fuzzer).addCandidateInput(0x3f9c090ea0, 0x3f9c3a01a0, 0x197, 0x197, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x44 main.(*Fuzzer).poll(0x3f9c090ea0, 0x3f9c2f6501, 0x0, 0x3f9c010680) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:409 +0x414 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:273 +0x1008 VM DIAGNOSIS: 11:56:12 Registers: info registers vcpu 0 pc ffffffe000005762 mhartid 0000000000000000 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffe00000542c mepc ffffffe000005762 sepc ffffffe000005766 mcause 8000000000000003 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffe00000575e x2/sp ffffffe004203ed0 x3/gp ffffffe004588c00 x4/tp ffffffe004239640 x5/t0 ffffffe0057c38c8 x6/t1 ffffffc40cdaaba9 x7/t2 000000000d895bf6 x8/s0 ffffffe004203ee0 x9/s1 ffffffe004239640 x10/a0 0000000000000000 x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffe00000575e x14/a4 ffffffe00423a640 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffe066d55d4b x18/s2 0000000000000001 x19/s3 0000000000000000 x20/s4 0000000000000007 x21/s5 ffffffe00458c3e8 x22/s6 ffffffe004239640 x23/s7 00000000800130f0 x24/s8 000000000000007f x25/s9 0000000080012010 x26/s10 0000000000000000 x27/s11 0000000000000000 x28/t3 9971797620433100 x29/t4 ffffffc40cdaaba9 x30/t5 ffffffc40cdaabaa x31/t6 0000000000000007 f0/ft0 0000000000000000 f1/ft1 406ccfbec38a9034 f2/ft2 4106bf8000000000 f3/ft3 40c188bd25c88ccc f4/ft4 4115d69400000000 f5/ft5 4039d53847ac00a7 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 pc ffffffe0003bdee0 mhartid 0000000000000001 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffe00000542c mepc ffffffe00000e9d4 sepc 0000000000081ac8 mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffe002a96d56 x2/sp ffffffe00dca7ab0 x3/gp ffffffe004588c00 x4/tp ffffffe0079d17c0 x5/t0 0000000000000200 x6/t1 0000000000000001 x7/t2 0000000000000000 x8/s0 ffffffe00dca7af0 x9/s1 0000000000000000 x10/a0 0000000000000020 x11/a1 ffffffe0079d27c0 x12/a2 0000000000000002 x13/a3 ffffffe00dca7af4 x14/a4 0000000000000000 x15/a5 ffffffe0079d2190 x16/a6 0000000000f00000 x17/a7 ffffffe0003301e6 x18/s2 0000000000000000 x19/s3 ffffffe00363b500 x20/s4 ffffffe00458c0d0 x21/s5 ffffffe002e27840 x22/s6 ffffffcf022e8bc0 x23/s7 000000000000000c x24/s8 ffffffe00dca7d60 x25/s9 ffffffe00dca7d48 x26/s10 ffffffe00dca7d58 x27/s11 ffffffe00dca7d68 x28/t3 9971797620433100 x29/t4 0000003f9c450a50 x30/t5 0000003f9c450a49 x31/t6 0000000000081740 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 41ad23616cd3c926 f3/ft3 4142c19000000000 f4/ft4 4115d69400000000 f5/ft5 4039d53847ac00a7 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