syzkaller login: [ 94.594285][ T3119] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 94.674035][ T3119] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 94.701033][ T3119] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:51909' (ECDSA) to the list of known hosts. 1970/01/01 00:01:50 fuzzer started 1970/01/01 00:01:52 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(0x256a120, 0x267f140) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x48 main.(*Fuzzer).deserializeInput(0x256a120, 0x24d60e0, 0xd3, 0xd3, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf0 main.(*Fuzzer).addCandidateInput(0x256a120, 0x24d60e0, 0xd3, 0xd3, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x34 main.(*Fuzzer).poll(0x256a120, 0x267e901, 0x0, 0x258a540) /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: 12:20:38 Registers: info registers vcpu 0 R00=00000000 R01=81f5a420 R02=00000001 R03=8021e080 R04=82a00000 R05=00000000 R06=82a22498 R07=82a224d4 R08=00000001 R09=00000000 R10=00000000 R11=82a01f0c R12=82a01ef0 R13=82a01f00 R14=80209434 R15=8021e088 PSR=20000093 --C- A S svc32 s00=746f6e20 s01=616e6520 d00=616e6520746f6e20 s02=30203130 s03=31303a30 d01=31303a3030203130 s04=2033353a s05=706d6f63 d02=706d6f632033353a s06=73697261 s07=74206e6f d03=74206e6f73697261 s08=69636172 s09=203a676e d04=203a676e69636172 s10=464e4f43 s11=4b5f4749 d05=4b5f4749464e4f43 s12=20564f43 s13=6e207369 d06=6e20736920564f43 s14=6520746f s15=6c62616e d07=6c62616e6520746f 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=f8ffee26 s33=7fd7f875 d16=7fd7f875f8ffee26 s34=8dbfee7d s35=37fffe29 d17=37fffe298dbfee7d s36=f4707266 s37=ffbfefc0 d18=ffbfefc0f4707266 s38=070397f2 s39=fe5b9adb d19=fe5b9adb070397f2 s40=1c7f87f0 s41=ffbf1ff9 d20=ffbf1ff91c7f87f0 s42=fe5f97fa s43=5b5610dd d21=5b5610ddfe5f97fa s44=1fd34b73 s45=f5a9aefe d22=f5a9aefe1fd34b73 s46=db7f72ff s47=7f83fdc6 d23=7f83fdc6db7f72ff s48=4a4605a9 s49=f412ebdd d24=f412ebdd4a4605a9 s50=3d4db09a s51=f35d4660 d25=f35d46603d4db09a s52=d8a35ed6 s53=2986affb d26=2986affbd8a35ed6 s54=d055fa28 s55=e5cac5ac d27=e5cac5acd055fa28 s56=e4a1e5ad s57=5f3ce567 d28=5f3ce567e4a1e5ad s58=81903948 s59=b950635d d29=b950635d81903948 s60=c538f857 s61=bcb7eb50 d30=bcb7eb50c538f857 s62=331bffd6 s63=0bf92ec3 d31=0bf92ec3331bffd6 FPSCR: 00000000 info registers vcpu 1 R00=845db600 R01=00000400 R02=00000001 R03=e009e400 R04=845db600 R05=84259440 R06=854e0800 R07=836ec000 R08=854e0800 R09=00000000 R10=859cfcca R11=859498ac R12=85949898 R13=85949898 R14=809239a0 R15=809239a0 PSR=60030013 -ZC- A S svc32 s00=fdeb7191 s01=6432c628 d00=6432c628fdeb7191 s02=6b7a7973 s03=656c6c61 d01=656c6c616b7a7973 s04=a3773d58 s05=dc10d513 d02=dc10d513a3773d58 s06=3a4a7fb4 s07=540f4e65 d03=540f4e653a4a7fb4 s08=86f15f98 s09=7d7518c3 d04=7d7518c386f15f98 s10=a394dac7 s11=acba6df8 d05=acba6df8a394dac7 s12=00000009 s13=00000000 d06=0000000000000009 s14=00000000 s15=19000000 d07=1900000000000000 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=9f1f03fb s33=b4062459 d16=b40624599f1f03fb s34=5d1e7ab5 s35=2e72c01a d17=2e72c01a5d1e7ab5 s36=90575c1e s37=611b3e5c d18=611b3e5c90575c1e s38=05b937b3 s39=2a86fc17 d19=2a86fc1705b937b3 s40=cd38883c s41=476ee6d7 d20=476ee6d7cd38883c s42=37f21193 s43=d1a2dea6 d21=d1a2dea637f21193 s44=243d03d4 s45=0c49b315 d22=0c49b315243d03d4 s46=b01b3522 s47=19b2481f d23=19b2481fb01b3522 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=676f6f67 s53=732f656c d26=732f656c676f6f67 s54=616b7a79 s55=72656c6c d27=72656c6c616b7a79 s56=7a79732f s57=7a75662d d28=7a75662d7a79732f s58=2f72657a s59=7a7a7566 d29=7a7a75662f72657a s60=672e7265 s61=36343a6f d30=36343a6f672e7265 s62=302b2039 s63=0a383478 d31=0a383478302b2039 FPSCR: 00000000