[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.255179] IPVS: ftp: loaded support on port[0] = 21 executing program [ 33.306225] perf buffer not large enough [ 33.306269] ------------[ cut here ]------------ [ 33.315110] WARNING: CPU: 0 PID: 7995 at kernel/trace/trace_event_perf.c:273 perf_trace_buf_alloc.cold+0x18/0x26 [ 33.325424] Kernel panic - not syncing: panic_on_warn set ... [ 33.325424] [ 33.332798] CPU: 0 PID: 7995 Comm: syz-executor114 Not tainted 4.14.204-syzkaller #0 [ 33.340678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.350034] Call Trace: [ 33.352610] dump_stack+0x1b2/0x283 [ 33.356223] panic+0x1f9/0x42d [ 33.359395] ? add_taint.cold+0x16/0x16 [ 33.363350] ? perf_trace_buf_alloc.cold+0x18/0x26 [ 33.368268] ? perf_trace_buf_alloc.cold+0x18/0x26 [ 33.373201] __warn.cold+0x20/0x4b [ 33.376723] ? ist_end_non_atomic+0x10/0x10 [ 33.381050] ? perf_trace_buf_alloc.cold+0x18/0x26 [ 33.386005] report_bug+0x208/0x249 [ 33.389622] do_error_trap+0x195/0x2d0 [ 33.393502] ? math_error+0x2d0/0x2d0 [ 33.397297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.402143] invalid_op+0x1b/0x40 [ 33.405584] RIP: 0010:perf_trace_buf_alloc.cold+0x18/0x26 [ 33.411104] RSP: 0018:ffff88809fc67c80 EFLAGS: 00010286 [ 33.416451] RAX: 000000000000001c RBX: ffff8880a9a31d40 RCX: 0000000000000000 [ 33.423840] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffed1013f8cf86 [ 33.431114] RBP: 0000000000209e54 R08: 000000000000001c R09: 0000000000000000 [ 33.438389] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809fc67d30 [ 33.445646] R13: ffff88809fc67d40 R14: ffff88809fc67d60 R15: 0000000000000000 [ 33.452936] perf_trace_bpf_map_keyval+0x1b7/0x820 [ 33.457873] ? perf_trace_bpf_map_create+0x6a0/0x6a0 [ 33.462981] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 33.468427] SyS_bpf+0x2350/0x35e0 [ 33.471970] ? perf_trace_bpf_map_create+0x6a0/0x6a0 [ 33.477063] ? bpf_prog_get+0x20/0x20 [ 33.480863] ? perf_bp_event+0x170/0x170 [ 33.484933] ? lock_downgrade+0x740/0x740 [ 33.489074] ? do_syscall_64+0x4c/0x640 [ 33.493037] ? bpf_prog_get+0x20/0x20 [ 33.496835] do_syscall_64+0x1d5/0x640 [ 33.500734] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.505905] RIP: 0033:0x441579 [ 33.509073] RSP: 002b:00007ffdd7ea9f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 33.516788] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441579 [ 33.524039] RDX: 0000000000000020 RSI: 0000000020000040 RDI: 0000000000000002 [ 33.531333] RBP: 00007ffdd7ea9f70 R08: 0000000100000000 R09: 0000000100000000 [ 33.538603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000008221 [ 33.545894] R13: 0000000000402450 R14: 0000000000000000 R15: 0000000000000000 [ 33.553798] Kernel Offset: disabled [ 33.557477] Rebooting in 86400 seconds..