[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts. 2021/05/10 12:00:46 fuzzer started 2021/05/10 12:00:47 dialing manager at 10.128.0.169:46365 2021/05/10 12:00:47 syscalls: 1690 2021/05/10 12:00:47 code coverage: enabled 2021/05/10 12:00:47 comparison tracing: enabled 2021/05/10 12:00:47 extra coverage: enabled 2021/05/10 12:00:47 setuid sandbox: enabled 2021/05/10 12:00:47 namespace sandbox: enabled 2021/05/10 12:00:47 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/10 12:00:47 fault injection: enabled 2021/05/10 12:00:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/10 12:00:47 net packet injection: enabled 2021/05/10 12:00:47 net device setup: enabled 2021/05/10 12:00:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/10 12:00:47 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/10 12:00:47 USB emulation: enabled 2021/05/10 12:00:47 hci packet injection: enabled 2021/05/10 12:00:47 wifi device emulation: enabled 2021/05/10 12:00:47 802.15.4 emulation: enabled panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x6e01c8] goroutine 1 [running]: github.com/google/syzkaller/prog.(*ChoiceTable).Enabled(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prio.go:239 main.(*Fuzzer).checkDisabledCalls(0xc00005fba0, 0xc00021abc0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x68 main.(*Fuzzer).deserializeInput(0xc00005fba0, 0xc0000a4380, 0x35f, 0x35f, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0x14c main.(*Fuzzer).addCandidateInput(0xc00005fba0, 0xc0000a4380, 0x35f, 0x35f, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x4d main.(*Fuzzer).poll(0xc00005fba0, 0xc00038eb01, 0x0, 0xc000096840) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:409 +0x4d4 main.main() /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:273 +0x1271 syzkaller login: