syzkaller login: [ 89.156288][ T3119] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 94.001041][ T3119] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 95.646963][ T3119] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:24887' (ECDSA) to the list of known hosts. 1970/01/01 00:01:48 fuzzer started 1970/01/01 00:01:50 dialing manager at localhost:43981 1970/01/01 00:01:51 syscalls: 2819 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=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(0xda2120, 0xd6b360) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x48 main.(*Fuzzer).deserializeInput(0xda2120, 0xdf6000, 0xb9, 0xb9, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf0 main.(*Fuzzer).addCandidateInput(0xda2120, 0xdf6000, 0xb9, 0xb9, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x34 main.(*Fuzzer).poll(0xda2120, 0xdbc601, 0x0, 0xcfe110) /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: 12:16:49 Registers: info registers vcpu 0 R00=82bc1b90 R01=821137b8 R02=00000001 R03=8114c2a0 R04=82b0bb80 R05=000056f8 R06=000056f8 R07=82b0bc44 R08=00000000 R09=82a22498 R10=81536878 R11=8675d8fc R12=8675d900 R13=8675d8f0 R14=8114c2d4 R15=8114c2b0 PSR=60000113 -ZC- A S svc32 s00=6f6e2073 s01=6e652074 d00=6e6520746f6e2073 s02=7fd1890e s03=3bbd6ffa d01=3bbd6ffa7fd1890e s04=4b735b56 s05=aefe1fd3 d02=aefe1fd34b735b56 s06=72fff5a9 s07=fdc6db7f d03=fdc6db7f72fff5a9 s08=fdfd7f83 s09=03d1f197 d04=03d1f197fdfd7f83 s10=4dbfc393 s11=bf97e5fc d05=bf97e5fc4dbfc393 s12=86dfe33d s13=bfd6bbfb d06=bfd6bbfb86dfe33d s14=0ebff78d s15=7ff35357 d07=7ff353570ebff78d 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=f4707266 s33=ffbfefc0 d16=ffbfefc0f4707266 s34=070397f2 s35=fe5b9adb d17=fe5b9adb070397f2 s36=1c7f87f0 s37=ffbf1ff9 d18=ffbf1ff91c7f87f0 s38=fe5f97fa s39=5b5610dd d19=5b5610ddfe5f97fa s40=1fd34b73 s41=f5a9aefe d20=f5a9aefe1fd34b73 s42=db7f72ff s43=7f83fdc6 d21=7f83fdc6db7f72ff s44=f197fdfd s45=c39303d1 d22=c39303d1f197fdfd s46=e5fc4dbf s47=e33dbf97 d23=e33dbf97e5fc4dbf s48=ff62a86a s49=628f5bab d24=628f5babff62a86a s50=73ee7e82 s51=f361900e d25=f361900e73ee7e82 s52=605a339f s53=85dd7c77 d26=85dd7c77605a339f s54=d9719d48 s55=a0a1811c d27=a0a1811cd9719d48 s56=25dbb868 s57=5f5e5d3f d28=5f5e5d3f25dbb868 s58=ead6fc92 s59=c2807144 d29=c2807144ead6fc92 s60=30f67fb8 s61=b6f0c8de d30=b6f0c8de30f67fb8 s62=4b652a6d s63=f8a3bcb8 d31=f8a3bcb84b652a6d FPSCR: 00000000 info registers vcpu 1 R00=82bc1b90 R01=821137b8 R02=00000001 R03=8114c2a0 R04=82b0bb80 R05=000056f8 R06=000056f8 R07=82b0bc44 R08=00000000 R09=000005b4 R10=81536878 R11=8671fc5c R12=8671fc60 R13=8671fc50 R14=8114c2d4 R15=8114c2b0 PSR=60030013 -ZC- A S svc32 s00=676f7270 s01=6972702f d00=6972702f676f7270 s02=672f6d6f s03=6c676f6f d01=6c676f6f672f6d6f s04=79732f65 s05=6c616b7a d02=6c616b7a79732f65 s06=2f72656c s07=676f7270 d03=676f72702f72656c s08=432a282e s09=63696f68 d04=63696f68432a282e s10=62615465 s11=2e29656c d05=2e29656c62615465 s12=62616e45 s13=2864656c d06=2864656c62616e45 s14=292e2e2e s15=732f090a d07=732f090a292e2e2e 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=4d653f0c s33=830de393 d16=830de3934d653f0c s34=88f1f95b s35=3319450a d17=3319450a88f1f95b s36=2a220f51 s37=cc13c4dc d18=cc13c4dc2a220f51 s38=8efb75ed s39=deefdbdb d19=deefdbdb8efb75ed s40=aefa77d9 s41=777bbbb3 d20=777bbbb3aefa77d9 s42=e4cf6f7f s43=b6d2950d d21=b6d2950de4cf6f7f s44=9d6aded5 s45=40000687 d22=400006879d6aded5 s46=7ea60670 s47=1129c781 d23=1129c7817ea60670 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=7ffc9b42 s53=a6a29d40 d26=a6a29d407ffc9b42 s54=321dbf60 s55=e71d9ca3 d27=e71d9ca3321dbf60 s56=b2fc677c s57=e856ae51 d28=e856ae51b2fc677c s58=0f5bab3d s59=ff2b9553 d29=ff2b95530f5bab3d s60=bfc12edf s61=f652bd31 d30=f652bd31bfc12edf s62=af8207cf s63=2415cc94 d31=2415cc94af8207cf FPSCR: 00000000