[ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts. 2021/05/10 11:55:00 fuzzer started 2021/05/10 11:55:00 dialing manager at 10.128.0.163:34293 2021/05/10 11:55:00 syscalls: 3419 2021/05/10 11:55:00 code coverage: enabled 2021/05/10 11:55:00 comparison tracing: enabled 2021/05/10 11:55:00 extra coverage: extra coverage is not supported by the kernel 2021/05/10 11:55:00 setuid sandbox: enabled 2021/05/10 11:55:00 namespace sandbox: enabled 2021/05/10 11:55:00 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/10 11:55:00 fault injection: enabled 2021/05/10 11:55:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/10 11:55:00 net packet injection: enabled 2021/05/10 11:55:00 net device setup: enabled 2021/05/10 11:55:00 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/10 11:55:00 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/10 11:55:00 USB emulation: /dev/raw-gadget does not exist 2021/05/10 11:55:00 hci packet injection: enabled 2021/05/10 11:55:00 wifi device emulation: enabled 2021/05/10 11:55:00 802.15.4 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(0xc000070ea0, 0xc000133b40) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x68 main.(*Fuzzer).deserializeInput(0xc000070ea0, 0xc00011e000, 0x2eb, 0x2eb, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0x14c main.(*Fuzzer).addCandidateInput(0xc000070ea0, 0xc00011e000, 0x2eb, 0x2eb, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x4d main.(*Fuzzer).poll(0xc000070ea0, 0xc000133001, 0x0, 0xc0000a6f50) /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: