syzkaller login: [ 86.733174][ T3119] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 86.788556][ T3119] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 89.249787][ C0] hrtimer: interrupt took 26748928 ns [ 91.835811][ T3119] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:2626' (ECDSA) to the list of known hosts. 1970/01/01 00:01:47 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(0x1852120, 0x18e6fc0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x48 main.(*Fuzzer).deserializeInput(0x1852120, 0x189a300, 0x75, 0x75, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf0 main.(*Fuzzer).addCandidateInput(0x1852120, 0x189a300, 0x75, 0x75, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x34 main.(*Fuzzer).poll(0x1852120, 0x18e6401, 0x0, 0x189c158) /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: 12:02:11 Registers: info registers vcpu 0 R00=00000000 R01=5b71e000 R02=828a2680 R03=8114c2a0 R04=82b0cdd8 R05=82b0cdc0 R06=00000028 R07=00000006 R08=82b0cdd8 R09=00000000 R10=00989680 R11=8655bb54 R12=8655bb58 R13=8655bb48 R14=8031eb28 R15=8114c2b0 PSR=60000193 -ZC- 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=00000000 d07=0000000000000000 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=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000 info registers vcpu 1 R00=00000000 R01=01935f8c R02=01935f8b R03=00000000 R04=00000000 R05=009b99f0 R06=00000000 R07=00000004 R08=00000005 R09=00000008 R10=018889a0 R11=00000005 R12=01b51975 R13=01935f18 R14=00046010 R15=00048278 PSR=20000010 --C- A S usr32 s00=2903a0de s01=46b77c12 d00=46b77c122903a0de s02=6f727265 s03=69203a72 d01=69203a726f727265 s04=6c61766e s05=6d206469 d02=6d2064696c61766e s06=726f6d65 s07=64612079 d03=64612079726f6d65 s08=73657264 s09=726f2073 d04=726f207373657264 s10=6c696e20 s11=696f7020 d05=696f70206c696e20 s12=7265746e s13=72656420 d06=726564207265746e s14=72656665 s15=65636e65 d07=65636e6572656665 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=91ea35b1 s33=749e40ce d16=749e40ce91ea35b1 s34=22d5b349 s35=8c1f1d7f d17=8c1f1d7f22d5b349 s36=ae8c4f05 s37=d7ac58ab d18=d7ac58abae8c4f05 s38=a496b124 s39=60200002 d19=60200002a496b124 s40=7fb8389f s41=0222467a d20=0222467a7fb8389f s42=4527a344 s43=54fb99cb d21=54fb99cb4527a344 s44=314ae348 s45=55924e2e d22=55924e2e314ae348 s46=f129f1d3 s47=05467b14 d23=05467b14f129f1d3 s48=aebff4eb s49=fd7abbbc d24=fd7abbbcaebff4eb s50=ec1948ef s51=bd25b472 d25=bd25b472ec1948ef s52=23985c90 s53=28a87ba9 d26=28a87ba923985c90 s54=92441dd2 s55=3a1fca59 d27=3a1fca5992441dd2 s56=8f1f3793 s57=15098c32 d28=15098c328f1f3793 s58=374744df s59=6ff0830a d29=6ff0830a374744df s60=e9521297 s61=e7553ad1 d30=e7553ad1e9521297 s62=48c9bdbc s63=aa3292cd d31=aa3292cd48c9bdbc FPSCR: 00000000