syzkaller login: [ 71.606229][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 71.617546][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 71.624782][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:27794' (ECDSA) to the list of known hosts. 1970/01/01 00:01:27 fuzzer started 1970/01/01 00:01:31 dialing manager at localhost:45771 1970/01/01 00:01:31 syscalls: 2894 1970/01/01 00:01:31 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:31 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:31 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:31 setuid sandbox: enabled 1970/01/01 00:01:31 namespace sandbox: enabled 1970/01/01 00:01:31 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:31 fault injection: enabled 1970/01/01 00:01:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:31 net packet injection: enabled 1970/01/01 00:01:31 net device setup: enabled 1970/01/01 00:01:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:31 USB emulation: enabled 1970/01/01 00:01:31 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:31 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:31 802.15.4 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=0x10 pc=0x290708] goroutine 1 [running]: github.com/google/syzkaller/prog.(*ChoiceTable).Enabled(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prio.go:239 main.(*Fuzzer).checkDisabledCalls(0x400006a1a0, 0x40002e32c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400006a1a0, 0x4000226370, 0x4d, 0x4d, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400006a1a0, 0x4000226370, 0x4d, 0x4d, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400006a1a0, 0x40002e2801, 0x0, 0x40000120f0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:409 +0x3a0 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:273 +0xedc VM DIAGNOSIS: 12:21:41 Registers: info registers vcpu 0 PC=ffff8000110d2258 X00=ffff8000110d2250 X01=ffff8000110d2290 X02=0000000000000002 X03=0000000000000000 X04=f8ff000003946ac0 X05=0000aaab0013e108 X06=0000aaab0013e108 X07=001c4fecc0000000 X08=000000015a947d0e X09=0000000000000000 X10=0000000000000010 X11=0000000000000000 X12=0000000000000000 X13=0000000000000000 X14=0000000000000000 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=0000000000000000 X20=ffff800012983880 X21=0000000000004644 X22=ffff800012d2bd58 X23=0000000000000000 X24=0000ffffd9c90ae0 X25=0000000000000000 X26=ffff800012d2bdf8 X27=0000000000000000 X28=f8ff000003946ac0 X29=ffff800012d2bce0 X30=69858000110d22a8 SP=ffff800012d2bce0 PSTATE=00400009 ---- EL2h BTYPE=0 FPCR=00000000 FPSR=00000000 P00=0000 P01=0000 P02=0000 P03=0000 P04=0000 P05=0000 P06=0000 P07=0000 P08=0000 P09=0000 P10=0000 P11=0000 P12=0000 P13=0000 P14=0000 P15=0000 FFR=0000 Z00=0000000000000000:0000000000000000 Z01=116e65497f1eb7d6:33d0bd236c285e09 Z02=02f638392c1308dc:6a02056657b7bf36 Z03=6a78ecd1e3540fad:bf2e58eb26c19645 Z04=6b3187e5ac6b39e6:47097edb1912e1a5 Z05=729cf7df7d57d5ac:2d1670532c51f3f9 Z06=fe70a7b0a17f2ea6:bd2387bea97733e8 Z07=39f55eb67ec92f61:a5faa8df3ffaf5cd Z08=0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000 Z16=64d51c756b15452c:5fefefefaa4336db Z17=ab95acd5244d1f95:222d7ca44bdfca15 Z18=29f6114b3dbf4eb3:5281c34b8875d59b Z19=00cfa10643f496b1:8cce91c13d6131e5 Z20=65e73bdbd99d2572:37f9efb51338d941 Z21=80ca6ccb986241cc:e6bfbf6d176a1eba Z22=3fe593204e0b868d:8c362fbc5b16f9b3 Z23=4a8f795634872e59:6cbdb70246502770 Z24=6b20657479622d32:3320646e61707865 Z25=2a726f1f549bd616:20ced464e4cd2557 Z26=fca4e01d6d2a115d:a24bb6fe7c2172ca Z27=2800000000000000:0000000000000006 Z28=2800000000000000:0000000000000007 Z29=2800000000000000:0000000000000008 Z30=1200000000000000:000000000000000e Z31=0000000000000000:0000000000000004 info registers vcpu 1 PC=ffff8000110d2258 X00=ffff8000110d2250 X01=ffff8000110d2290 X02=0000000000000000 X03=7fffffffffffffff X04=0000000000000041 X05=0000000000000001 X06=ffff00007fbd6e00 X07=7fffffffffffffff X08=00000015693e3e00 X09=0000000001d39b45 X10=000000000000027c X11=0000000000000001 X12=0000000000000006 X13=0000000000000001 X14=000000000000027c X15=00007dd52d5772c4 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=ffff800012983880 X20=0000000000004646 X21=000000153005ce00 X22=0000001569489040 X23=0000000000000003 X24=7fffffffffffffff X25=ffff00007fbd6e0c X26=ffff00007fbd6f38 X27=ffff00007fbd6ef8 X28=ffff00007fbd6eb8 X29=ffff80001000be30 X30=e1d88000110d22a8 SP=ffff80001000be30 PSTATE=604000c9 -ZC- EL2h BTYPE=0 FPCR=00000000 FPSR=00000010 P00=0000 P01=0000 P02=0000 P03=0000 P04=0000 P05=0000 P06=0000 P07=0000 P08=0000 P09=0000 P10=0000 P11=0000 P12=0000 P13=0000 P14=0000 P15=0000 FFR=0000 Z00=0000000000000000:0000000000000000 Z01=702f676f72702f72:656c6c616b7a7973 Z02=656c6c616b7a7973:2f006f672e6f6972 Z03=0000000000000000:0000000000000000 Z04=0000000000000000:0010000000000000 Z05=4010040140100401:4010040140100401 Z06=0000100000000000:0000100000000000 Z07=889793ce80d31576:8fdb8c183885e27e Z08=0000000000000000:3fb931b165dd4718 Z09=0000000000000000:3fe3b05bd0969b1c Z10=0000000000000000:3fe0000000000000 Z11=1158d7e7d7418e0b:137103523240b1ab Z12=e2e4597fdb5fe172:674223e10893ad5b Z13=c9cb5bf4d1f8aaf7:262fb87404def929 Z14=a86ea5c4476dcf49:b54024df6fcd7102 Z15=e6733ed01f6ba2e6:7d751d7e61a82b17 Z16=0000000000000000:0000000000000000 Z17=0000000000000000:0000000000000000 Z18=0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=0000000000000027:0000000059cddc6e Z31=0000000000000000:0000000000000000