syzkaller login: [ 83.271252][ T3120] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 91.332177][ T3120] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 91.337318][ T3120] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:33492' (ECDSA) to the list of known hosts. 1970/01/01 00:01:43 fuzzer started 1970/01/01 00:01:46 dialing manager at localhost:43981 1970/01/01 00:01:46 syscalls: 2819 1970/01/01 00:01:46 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:46 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:46 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:46 setuid sandbox: enabled 1970/01/01 00:01:46 namespace sandbox: enabled 1970/01/01 00:01:46 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:46 fault injection: enabled 1970/01/01 00:01:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:46 net packet injection: enabled 1970/01/01 00:01:46 net device setup: enabled 1970/01/01 00:01:46 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:46 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:46 USB emulation: enabled 1970/01/01 00:01:46 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:46 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:46 802.15.4 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(0x25a0240, 0x24f6f80) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x48 main.(*Fuzzer).deserializeInput(0x25a0240, 0x25c4100, 0xf8, 0xf8, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf0 main.(*Fuzzer).addCandidateInput(0x25a0240, 0x25c4100, 0xf8, 0xf8, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x34 main.(*Fuzzer).poll(0x25a0240, 0x24f6b01, 0x0, 0x2412ab8) /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: 12:18:11 Registers: info registers vcpu 0 R00=00000000 R01=81f5a420 R02=5b71e000 R03=8114c2a0 R04=82b0cdd8 R05=82b0cdc0 R06=00000028 R07=00000006 R08=82b0cdd8 R09=00000000 R10=00000000 R11=865bda44 R12=865bda48 R13=865bda38 R14=8031eb28 R15=8114c2b0 PSR=20030193 --C- A S svc32 s00=5b203120 s01=6e6e7572 d00=6e6e75725b203120 s02=72726520 s03=203a726f d01=203a726f72726520 s04=61766e69 s05=2064696c d02=2064696c61766e69 s06=6f6d656d s07=61207972 d03=612079726f6d656d s08=65726464 s09=6f207373 d04=6f20737365726464 s10=696e2072 s11=6f70206c d05=6f70206c696e2072 s12=65746e69 s13=65642072 d06=6564207265746e69 s14=65666572 s15=636e6572 d07=636e657265666572 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=f65693d4 s33=bd167567 d16=bd167567f65693d4 s34=ffbdc05c s35=572acad3 d17=572acad3ffbdc05c s36=3b5e2e19 s37=2747181b d18=2747181b3b5e2e19 s38=999f6f60 s39=9e1f3f83 d19=9e1f3f83999f6f60 s40=0356c8de s41=9726c355 d20=9726c3550356c8de s42=1d6a576e s43=d5aad3ad d21=d5aad3ad1d6a576e s44=ae798ccf s45=6f75fdd0 d22=6f75fdd0ae798ccf s46=998d8573 s47=f4218dbd d23=f4218dbd998d8573 s48=adc9fb44 s49=b2c7d0ae d24=b2c7d0aeadc9fb44 s50=f7d4926c s51=fdb302f7 d25=fdb302f7f7d4926c s52=677b11e0 s53=7db619e3 d26=7db619e3677b11e0 s54=4174a78d s55=f0f0039c d27=f0f0039c4174a78d s56=8b1d803c s57=55ef3c95 d28=55ef3c958b1d803c s58=8ebd890a s59=fa8cddd1 d29=fa8cddd18ebd890a s60=db1521c4 s61=dd7f70a4 d30=dd7f70a4db1521c4 s62=43ec0a5b s63=6c8b0891 d31=6c8b089143ec0a5b FPSCR: 00000000 info registers vcpu 1 R00=00000000 R01=00000000 R02=5b734000 R03=82a40928 R04=00000000 R05=830d134c R06=000000eb R07=8557c7a8 R08=126a0023 R09=60000013 R10=85b45cd8 R11=858abd9c R12=858abd60 R13=858abdb0 R14=8181dacc R15=8027ea40 PSR=20000093 --C- A S svc32 s00=00000000 s01=00000000 d00=0000000000000000 s02=00000000 s03=00000000 d01=0000000000000000 s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=00000000 s11=00000000 d05=0000000000000000 s12=00000000 s13=00000000 d06=0000000000000000 s14=00000000 s15=000001d8 d07=000001d800000000 s16=000ec000 s17=0000ec00 d08=0000ec00000ec000 s18=000035c0 s19=001d62c0 d09=001d62c0000035c0 s20=0ec00000 s21=00ecec00 d10=00ecec000ec00000 s22=0035fb00 s23=1d625a00 d11=1d625a000035fb00 s24=00000000 s25=0d069a00 d12=0d069a0000000000 s26=3b00ec00 s27=0492a480 d13=0492a4803b00ec00 s28=00ec0000 s29=000e19c0 d14=000e19c000ec0000 s30=0000ec00 s31=01d66fc0 d15=01d66fc00000ec00 s32=72be5d74 s33=80deb1fe d16=80deb1fe72be5d74 s34=9bdc06a7 s35=c19bf34c d17=c19bf34c9bdc06a7 s36=03dc4dc7 s37=bc290ce4 d18=bc290ce403dc4dc7 s38=e92d8748 s39=e6b3bd64 d19=e6b3bd64e92d8748 s40=ec223f6e s41=c7145b53 d20=c7145b53ec223f6e s42=0ee6af4d s43=4601ad05 d21=4601ad050ee6af4d s44=eddd8447 s45=6a78e28b d22=6a78e28beddd8447 s46=e9a1dcd5 s47=a0a8c035 d23=a0a8c035e9a1dcd5 s48=f52610db s49=00289197 d24=00289197f52610db s50=219fe45e s51=00a9f9cb d25=00a9f9cb219fe45e s52=6ed9eba1 s53=6ed9eba1 d26=6ed9eba16ed9eba1 s54=6ed9eba1 s55=6ed9eba1 d27=6ed9eba16ed9eba1 s56=8f1bbcdc s57=8f1bbcdc d28=8f1bbcdc8f1bbcdc s58=8f1bbcdc s59=8f1bbcdc d29=8f1bbcdc8f1bbcdc s60=ca62c1d6 s61=ca62c1d6 d30=ca62c1d6ca62c1d6 s62=ca62c1d6 s63=ca62c1d6 d31=ca62c1d6ca62c1d6 FPSCR: 00000000