syzkaller login: [ 68.962627][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 68.982359][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 72.962431][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:54702' (ECDSA) to the list of known hosts. 1970/01/01 00:01:22 fuzzer started 1970/01/01 00:01:26 dialing manager at localhost:45771 1970/01/01 00:01:27 syscalls: 2894 1970/01/01 00:01:27 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:27 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:27 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:27 setuid sandbox: enabled 1970/01/01 00:01:27 namespace sandbox: enabled 1970/01/01 00:01:27 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:27 fault injection: enabled 1970/01/01 00:01:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:27 net packet injection: enabled 1970/01/01 00:01:27 net device setup: enabled 1970/01/01 00:01:27 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:27 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:27 USB emulation: enabled 1970/01/01 00:01:27 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:27 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:27 802.15.4 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, 0x4000089540) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400006a1a0, 0x400012a070, 0x70, 0x70, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400006a1a0, 0x400012a070, 0x70, 0x70, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400006a1a0, 0x400007c001, 0x0, 0x40000121b0) /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: 12:20:56 Registers: info registers vcpu 0 PC=fffffbfffdbfa7e0 X00=0000000000000000 X01=0000fffff05dc1b8 X02=0000000000000000 X03=0000000000000008 X04=0000000000000010 X05=0000000008000000 X06=0000000000000057 X07=0000000000004236 X08=0000000000000087 X09=0000000000004236 X10=0000000000000017 X11=0002625a00000000 X12=0000000148d3f2be X13=000000007fffffff X14=0000000003b45b09 X15=0000000003caca37 X16=0000aaaab9feb808 X17=0000ffff8fb896b0 X18=000000001e50c648 X19=0000fffff05dc238 X20=0000aaaab9feb000 X21=0000aaaaf8c22ac0 X22=0000fffff05dc1b8 X23=0000000000000004 X24=0000aaaab9fede00 X25=0000aaaab9feb000 X26=0000000000000004 X27=0000aaaab9f9dcf0 X28=0000000000000001 X29=0000fffff05dc170 X30=0000aaaab9f46840 SP=ffff800012d74000 PSTATE=404003c9 -Z-- 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=e67535995870c57c:14e99495985f4bdd Z02=aca672ecc11e61d3:d24f3c00ab329be7 Z03=21ce2673c91a13c5:0361e1d5a34c1d45 Z04=2b72b7f77b8255e1:b747bc6f336eed27 Z05=bc679ad7e4775b78:973109b0335373ca Z06=1886f905d7da6a0e:469e958195e8eafe Z07=45d816c56e1ebe6d:c625a908d369c889 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=cbb4836f4f149f6d:d924c3718edd14c2 Z17=384ed2c68cfa6df0:a9c5b8a780888852 Z18=3fd9b4c6d9207752:ffbb484205cacd8d Z19=aada3dcfee2a8383:845ae5d9e5a7baf4 Z20=c6fe735de52f2d91:d4d734b6b5eab4a9 Z21=1a35b0cae259bf29:73fa5eb21fce771d Z22=d6c93a6d4347e39b:86b7b233b07b2d8f Z23=445e6eb7be9dbd30:d8bbf569c56e8ddd Z24=6b20657479622d32:3320646e61707865 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000004 info registers vcpu 1 PC=0000000000074ab4 X00=0000000000000002 X01=0000000000699d78 X02=000000000000003e X03=0000000000000000 X04=0000000000000000 X05=0000000000000000 X06=000000000000002c X07=0000000000693600 X08=0000000000000040 X09=0000000000000018 X10=0000000000000008 X11=0000000000699d78 X12=0000000000693448 X13=000000000074e7c0 X14=0000000000000000 X15=0000000000000001 X16=0000000000290708 X17=00000000002906b0 X18=0000000000000000 X19=0000000000000098 X20=000000400003dc08 X21=000000400002c400 X22=000000400003e000 X23=0000000000000000 X24=0000000000000000 X25=0000000000000000 X26=0000004000443558 X27=0000000000000000 X28=0000004000000900 X29=000000400003d938 X30=00000000000432b8 SP=000000400003d940 PSTATE=20000000 --C- EL0t 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=0000000000000000:3ff200dfded39d1d Z08=0000000000000000:3fbd884ed600da98 Z09=0000000000000000:3fe3b200e375d126 Z10=0000000000000000:3fe0000000000000 Z11=0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000 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=0000000000000010:00000000eaebad4a Z31=0000000000000000:0000000000000000