syzkaller login: [   68.718038][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   68.725975][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   72.634199][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:55771' (ECDSA) to the list of known hosts.
1970/01/01 00:01:23 fuzzer started
1970/01/01 00:01:27 dialing manager at localhost:45771
1970/01/01 00:01:28 syscalls: 2894
1970/01/01 00:01:28 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:28 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:01:28 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:28 setuid sandbox: enabled
1970/01/01 00:01:28 namespace sandbox: enabled
1970/01/01 00:01:28 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:01:28 fault injection: enabled
1970/01/01 00:01:28 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:01:28 net packet injection: enabled
1970/01/01 00:01:28 net device setup: enabled
1970/01/01 00:01:28 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:01:28 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:01:28 USB emulation: enabled
1970/01/01 00:01:28 hci packet injection: /dev/vhci does not exist
1970/01/01 00:01:28 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:01:28 802.15.4 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(0x40002a09c0, 0x40002f0540)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x40002a09c0, 0x4000106090, 0x8a, 0x8a, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x40002a09c0, 0x4000106090, 0x8a, 0x8a, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x40002a09c0, 0x4000289a01, 0x0, 0x4000012ee8)
	/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:
12:19:37  Registers:
info registers vcpu 0
 PC=fffffbfffdbfa7e0 X00=0000000000000000 X01=0000fffff196ba78
X02=0000fffff196b9f8 X03=0000000000000008 X04=0000000000000010
X05=0000000008000000 X06=0000000000000058 X07=00000000000042d4
X08=0000000000000087 X09=00000000000042d4 X10=0000000000000017
X11=0006dac2c0000000 X12=000000014cec7dd6 X13=000000007fffffff
X14=0000000003887d1b X15=00000000029af5d3 X16=0000aaaac977b808
X17=0000ffffa5de16b0 X18=00000000ef9e1b4d X19=0000fffff196ba78
X20=0000aaaac977b000 X21=0000aaaade6a0880 X22=0000fffff196b9f8
X23=0000000000000004 X24=0000aaaac977de00 X25=0000aaaac977b000
X26=0000000000000004 X27=0000aaaac972dcf0 X28=0000000000000001
X29=0000fffff196b9b0 X30=0000aaaac96d67d0  SP=ffff800012d4c000
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=356a6aebb72bae38:19115dc20a80bc58
Z02=47ed77d9625ddb6a:c44e334613e51435 Z03=3ad0cf7eb4335ad5:68d3d393a5a88a56
Z04=2753629b9ba51470:b01dcd7aad73271b Z05=05c69eaad1ff88e2:53e7a09d76484445
Z06=9c8729c5f735c71c:f9b9f713bcc570b7 Z07=03bfe2ffff000000:bfa10e5984f8197c
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=ad352d0f02bf3dd5:7ba1731186654726 Z17=cec9e2c3ceac63c2:94524da78c9e8c07
Z18=b938dba4c86173bb:9a316e22f499535e Z19=cb3afaf993b03e80:b86bbd9ec9a436d1
Z20=60b1d39bc5a1f5b2:8f86db59f7f43f3e Z21=122a5f59ab89ad9f:5588f9bdc6085e17
Z22=b43e2b877b3ac6f7:39cbd8af1893eac8 Z23=f2efd503b102e9f7:a312e943dadf30e5
Z24=6b20657479622d32:3320646e61707865 Z25=1a060c7213c681de:0ce1edc22452265c
Z26=0d7ec00cd703e894:a26f59ed2fcee9f4 Z27=2600000000000000:0000000000000002
Z28=2600000000000000:0000000000000003 Z29=2600000000000000:0000000000000004
Z30=1300000000000000:000000000000000e Z31=0000000000000000:0000000000000004
info registers vcpu 1
 PC=ffff80001011ebd8 X00=0000000000000000 X01=0000000000000000
X02=0000000000000001 X03=ffff80001000bcd0 X04=ffff80006d4eb000
X05=ffff00007b78a000 X06=ffff80006d4eb000 X07=ffff8000126f1000
X08=ffff80001281d000 X09=0000000000098968 X10=00004c4b40000000
X11=0000000000000000 X12=00004c4b40000000 X13=0098968000000000
X14=0000000000000000 X15=0000000000000000 X16=0000000000000000
X17=0000000000000000 X18=0000000000000000 X19=ffff00007fbd4d00
X20=0000000000000000 X21=ffff800012707000 X22=000000148b877fb0
X23=00000000000000c0 X24=0000000000000001 X25=0000000000000000
X26=ffff80001013cb00 X27=ffff00007fbd6e40 X28=ffff00007fbd6e00
X29=ffff80001000bdb0 X30=ffff8000100cd7dc  SP=ffff80001000bdb0
PSTATE=404000c9 -Z-- 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=662d7a79732f7265:6c6c616b7a79732f
Z02=006f672e72657a7a:75662f72657a7a75 Z03=0000000000000000:0000000000000000
Z04=4000000000000000:0000000000000000 Z05=4010040140100401:4010040140100401
Z06=4000000000000000:4000000000000000 Z07=0000000000000000:3feaeeb715c0337b
Z08=0000000000000000:3f69d7c93564bb00 Z09=0000000000000000:3fe47672656839a4
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=0000000000000020:00000000c8346874 Z31=0000000000000000:0000000000000000