syzkaller login: [ 93.999748][ T3120] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 94.010312][ T3120] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 94.025071][ T3120] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:41189' (ECDSA) to the list of known hosts. 1970/01/01 00:01:50 fuzzer started 1970/01/01 00:01:53 dialing manager at localhost:43981 1970/01/01 00:01:53 syscalls: 2819 1970/01/01 00:01:53 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:53 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:53 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:53 setuid sandbox: enabled 1970/01/01 00:01:53 namespace sandbox: enabled 1970/01/01 00:01:53 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:53 fault injection: enabled 1970/01/01 00:01:53 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:53 net packet injection: enabled 1970/01/01 00:01:53 net device setup: enabled 1970/01/01 00:01:53 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:53 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:53 USB emulation: enabled 1970/01/01 00:01:53 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:53 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:53 802.15.4 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=0x292bfc] goroutine 1 [running]: github.com/google/syzkaller/prog.(*ChoiceTable).Enabled(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prio.go:239 main.(*Fuzzer).checkDisabledCalls(0x18b0240, 0x1a62ce0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x48 main.(*Fuzzer).deserializeInput(0x18b0240, 0x197c000, 0x15e, 0x15e, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf0 main.(*Fuzzer).addCandidateInput(0x18b0240, 0x197c000, 0x15e, 0x15e, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x34 main.(*Fuzzer).poll(0x18b0240, 0x1a62401, 0x0, 0x18122d0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:409 +0x314 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:273 +0xf0c VM DIAGNOSIS: 12:21:32 Registers: info registers vcpu 0 R00=82bc1b90 R01=00000000 R02=00000000 R03=8114c2a0 R04=832bbaa0 R05=00000000 R06=00000001 R07=8590a980 R08=866b1fb0 R09=832bc650 R10=00989680 R11=866b1d34 R12=866b1d38 R13=866b1d28 R14=8114c2d4 R15=8114c2b0 PSR=60030193 -ZC- A S svc32 s00=6e6e7572 s01=5d676e69 d00=5d676e696e6e7572 s02=4953206c s03=47455347 d01=474553474953206c s04=73203a56 s05=656d6765 d02=656d676573203a56 s06=7461746e s07=206e6f69 d03=206e6f697461746e s08=6c6f6976 s09=6f697461 d04=6f6974616c6f6976 s10=6f63206e s11=303d6564 d05=303d65646f63206e s12=61203178 s13=3d726464 d06=3d72646461203178 s14=20387830 s15=303d6370 d07=303d637020387830 s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=3d54e8af s33=510b4bff d16=510b4bff3d54e8af s34=088ca371 s35=cc899f3f d17=cc899f3f088ca371 s36=5bab3aac s37=ed6cedd2 d18=ed6cedd25bab3aac s38=55f1caaf s39=3bbe3bc6 d19=3bbe3bc655f1caaf s40=fda73b18 s41=6aaf537b d20=6aaf537bfda73b18 s42=de2ef762 s43=c7d6cfd0 d21=c7d6cfd0de2ef762 s44=4909d1e0 s45=acd67132 d22=acd671324909d1e0 s46=8580f09f s47=bc86107e d23=bc86107e8580f09f s48=57523521 s49=1a23b311 d24=1a23b31157523521 s50=5be0dd8c s51=2f196035 d25=2f1960355be0dd8c s52=97789e71 s53=982d633e d26=982d633e97789e71 s54=1abd400c s55=c3171b8a d27=c3171b8a1abd400c s56=13745060 s57=5b847618 d28=5b84761813745060 s58=1747e164 s59=d9b0bb37 d29=d9b0bb371747e164 s60=2454d903 s61=c294bc3f d30=c294bc3f2454d903 s62=431d6f80 s63=a00e793e d31=a00e793e431d6f80 FPSCR: 00000000 info registers vcpu 1 R00=00000001 R01=821137b8 R02=00000000 R03=00000003 R04=00000001 R05=8181dacc R06=ffffb74d R07=8097ef88 R08=00000101 R09=60000113 R10=803059dc R11=85b59b84 R12=85b59b18 R13=85b59ad0 R14=8020d140 R15=8020e3d0 PSR=20000193 --C- A S svc32 s00=f421ae91 s01=0000000f d00=0000000ff421ae91 s02=d0387515 s03=7f20a47e d01=7f20a47ed0387515 s04=3bc655f1 s05=3b183bbe d02=3b183bbe3bc655f1 s06=537bfda7 s07=f7626aaf d03=f7626aaf537bfda7 s08=cfd0de2e s09=d1e0c7d6 d04=d1e0c7d6cfd0de2e s10=71324909 s11=f09facd6 d05=f09facd671324909 s12=107e8580 s13=5c77bc86 d06=5c77bc86107e8580 s14=5b605fbf s15=3e3ffa29 d07=3e3ffa295b605fbf s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=3d54e8af s33=510b4bff d16=510b4bff3d54e8af s34=088ca371 s35=cc899f3f d17=cc899f3f088ca371 s36=5bab3aac s37=ed6cedd2 d18=ed6cedd25bab3aac s38=55f1caaf s39=3bbe3bc6 d19=3bbe3bc655f1caaf s40=fda73b18 s41=6aaf537b d20=6aaf537bfda73b18 s42=de2ef762 s43=c7d6cfd0 d21=c7d6cfd0de2ef762 s44=4909d1e0 s45=acd67132 d22=acd671324909d1e0 s46=8580f09f s47=bc86107e d23=bc86107e8580f09f s48=57523521 s49=1a23b311 d24=1a23b31157523521 s50=5be0dd8c s51=2f196035 d25=2f1960355be0dd8c s52=97789e71 s53=982d633e d26=982d633e97789e71 s54=1abd400c s55=c3171b8a d27=c3171b8a1abd400c s56=13745060 s57=5b847618 d28=5b84761813745060 s58=1747e164 s59=d9b0bb37 d29=d9b0bb371747e164 s60=2454d903 s61=c294bc3f d30=c294bc3f2454d903 s62=431d6f80 s63=a00e793e d31=a00e793e431d6f80 FPSCR: 00000000