syzkaller login: [ 92.609890][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 92.617596][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 92.623453][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:33762' (ECDSA) to the list of known hosts. 1970/01/01 00:01:46 fuzzer started 1970/01/01 00:01:50 dialing manager at localhost:38019 1970/01/01 00:01:51 syscalls: 2839 1970/01/01 00:01:51 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:51 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:51 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:51 setuid sandbox: enabled 1970/01/01 00:01:51 namespace sandbox: enabled 1970/01/01 00:01:51 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:51 fault injection: enabled 1970/01/01 00:01:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:51 net packet injection: enabled 1970/01/01 00:01:51 net device setup: enabled 1970/01/01 00:01:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:51 USB emulation: enabled 1970/01/01 00:01:51 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:51 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:51 802.15.4 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=0x10 pc=0x290708] goroutine 1 [running]: github.com/google/syzkaller/prog.(*ChoiceTable).Enabled(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prio.go:239 main.(*Fuzzer).checkDisabledCalls(0x40002bcd00, 0x40001a7680) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x40002bcd00, 0x400005c2a0, 0x59, 0x59, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x40002bcd00, 0x400005c2a0, 0x59, 0x59, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x40002bcd00, 0x40001a6d01, 0x0, 0x40002e2388) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:409 +0x3a0 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:273 +0xedc VM DIAGNOSIS: 12:19:40 Registers: info registers vcpu 0 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=0000000000000000 X02=1ffff00002aba936 X03=1fffe000013599d9 X04=ffff800010007cb0 X05=ffff00000ad312c8 X06=ffff8000172e9dd5 X07=0000000000000000 X08=ffff00000ad312cf X09=dfff800000000000 X10=ffff6000015a6259 X11=1fffe000015a6259 X12=ffff6000015a625a X13=0000000000000001 X14=1ffff00002000f34 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=ffff8000155d4000 X20=ffff8000102b98dc X21=000000000000003a X22=ffff00006ab03d38 X23=ffff800015f1cd38 X24=ffff800015f3f000 X25=ffff800054be7000 X26=00000000ffffb63a X27=ffff00000ad48840 X28=ffff00000ad48800 X29=ffff800010007a30 X30=ffff8000115f9440 SP=ffff800010007a30 PSTATE=100000c5 ---V EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=9c359f8e73a4979e:59257cce8a8e76f7 Q02=fe766d942e5e5f1d:9b7d9251c1ad48b1 Q03=c9f18930f17fea8a:57827f0d9a445b06 Q04=07542668536524b7:d098980a5e64f08c Q05=bf07f93712c93cea:d5a7793336325db6 Q06=2b5a6c3d612bbd85:62257fdcdedfb368 Q07=25b5c60222f2c79e:9cd10c0e5aafe061 Q08=0000000000000000:0000000000000000 Q09=0000000000000000:0000000000000000 Q10=0000000000000000:0000000000000000 Q11=0000000000000000:0000000000000000 Q12=0000000000000000:0000000000000000 Q13=0000000000000000:0000000000000000 Q14=0000000000000000:0000000000000000 Q15=0000000000000000:0000000000000000 Q16=eef18639fd2daa0d:feaa76a42cba2e5d Q17=1d7aa6d34b2111a7:c850ecf484f42a9b Q18=d6276cdcdeba6dad:d368dfbd1ee77ca1 Q19=a8ae0b94478794da:df4f919c2ff764aa Q20=acad1245077a1a1d:7a23a04cc0ca8a60 Q21=0950b94ae63950c1:1dcca67d484c47da Q22=304ccc75fa904f6f:234ad892154e6ca9 Q23=4bca53b2f6ddbb65:44916dd46cf681be Q24=6b20657479622d32:3320646e61707865 Q25=0000000000000000:0000000000000000 Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000 Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000 Q30=0000000000000000:0000000000000000 Q31=0000000000000000:0000000000000004 info registers vcpu 1 PC=ffff8000110576d8 X00=0000000000000000 X01=0000000000000000 X02=0000000000000000 X03=1fffe0000d562780 X04=000000000022eb3d X05=0000000000000000 X06=00000000f3f3f3f3 X07=ffff8000173e57a0 X08=ffff800015f0ac00 X09=1fffe000024817c3 X10=0000000000000007 X11=1fffe000024817bb X12=0000000000000088 X13=0000000000000001 X14=1ffff0000309af8e X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=ffff8000161854b0 X20=0000000000000000 X21=0000000000000003 X22=0000000000000028 X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480 X26=0000000000000004 X27=ffff8000161854b0 X28=ffff00001240b480 X29=ffff8000184d7d00 X30=ffff800010358478 SP=ffff8000184d7d00 PSTATE=500003c5 -Z-V EL1h FPCR=00000000 FPSR=00000010 Q00=0000000000000000:0000000000000000 Q01=662d7a79732f7265:6c6c616b7a79732f Q02=006f672e72657a7a:75662f72657a7a75 Q03=0000000000000000:0000000000000000 Q04=4000000000000000:0000000000000000 Q05=4010040140100401:4010040140100401 Q06=4000000000000000:4000000000000000 Q07=0000000000000000:3ff4073f4fa2a349 Q08=0000000000000000:3fbea76c35ce6328 Q09=0000000000000000:3fe36a581be74b32 Q10=0000000000000000:3fe0000000000000 Q11=3776975d0ce99b58:0f3fcc22ca6ffe8c Q12=190f020117b057fd:c97f8205259646bf Q13=65e3ba89d988737d:abf8459a9dc32a24 Q14=c557996cf5602503:984930e93ecebe34 Q15=ef5fef588efb92be:2e1d5a9c279a67b9 Q16=0000000000000000:0000000000000000 Q17=0000000000000000:0000000000000000 Q18=0000000000000000:0000000000000000 Q19=0000000000000000:0000000000000000 Q20=0000000000000000:0000000000000000 Q21=0000000000000000:0000000000000000 Q22=0000000000000000:0000000000000000 Q23=0000000000000000:0000000000000000 Q24=0000000000000000:0000000000000000 Q25=0000000000000000:0000000000000000 Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000 Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000 Q30=000000000000000d:000000001b080bd7 Q31=0000000000000000:0000000000000000