[ 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 '10.128.0.183' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 153.229699][ C1] hrtimer: interrupt took 26122 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 154.350293][ T7270] ------------[ cut here ]------------ [ 154.355974][ T7270] WARNING: CPU: 1 PID: 7270 at kernel/time/posix-timers.c:849 timer_wait_running+0x218/0x250 [ 154.367472][ T7270] Kernel panic - not syncing: panic_on_warn set ... [ 154.374052][ T7270] CPU: 1 PID: 7270 Comm: syz-executor350 Not tainted 5.9.0-rc2-syzkaller #0 [ 154.382730][ T7270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.392766][ T7270] Call Trace: [ 154.396036][ T7270] dump_stack+0x198/0x1fd [ 154.400347][ T7270] panic+0x347/0x7c0 [ 154.404248][ T7270] ? __warn_printk+0xf3/0xf3 [ 154.408824][ T7270] ? printk+0xba/0xed [ 154.412783][ T7270] ? log_store.cold+0x16/0x16 [ 154.417451][ T7270] ? __warn.cold+0x5/0x46 [ 154.421766][ T7270] ? __warn+0xd6/0x1f2 [ 154.425901][ T7270] ? timer_wait_running+0x218/0x250 [ 154.431131][ T7270] __warn.cold+0x20/0x46 [ 154.435364][ T7270] ? timer_wait_running+0x218/0x250 [ 154.440544][ T7270] report_bug+0x1bd/0x210 [ 154.444858][ T7270] handle_bug+0x38/0x90 [ 154.449002][ T7270] exc_invalid_op+0x14/0x40 [ 154.453579][ T7270] asm_exc_invalid_op+0x12/0x20 [ 154.458497][ T7270] RIP: 0010:timer_wait_running+0x218/0x250 [ 154.464310][ T7270] Code: 00 48 c7 c2 00 99 4d 88 be 7b 02 00 00 48 c7 c7 60 99 4d 88 c6 05 9c e1 46 09 01 e8 27 7c f4 ff e9 b1 fe ff ff e8 38 04 0e 00 <0f> 0b e9 08 ff ff ff e8 6c 16 4e 00 e9 3b fe ff ff 4c 89 e7 e8 6f [ 154.483917][ T7270] RSP: 0018:ffffc90001657d58 EFLAGS: 00010293 [ 154.489972][ T7270] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 154.498336][ T7270] RDX: ffff888093c0e540 RSI: ffffffff816646c8 RDI: ffffffff884da5b8 [ 154.506374][ T7270] RBP: ffff8880a757a468 R08: 0000000000000001 R09: 0000000000000001 [ 154.514324][ T7270] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90001657db8 [ 154.522277][ T7270] R13: 0000000000000000 R14: ffffffff884da540 R15: ffffc90001657db8 [ 154.530255][ T7270] ? timer_wait_running+0x218/0x250 [ 154.535446][ T7270] ? timer_wait_running+0x218/0x250 [ 154.540626][ T7270] ? posix_cpu_timer_del+0x600/0x600 [ 154.545894][ T7270] do_timer_settime.part.0+0x119/0x1d0 [ 154.551348][ T7270] ? timer_wait_running+0x250/0x250 [ 154.556570][ T7270] __x64_sys_timer_settime+0x219/0x310 [ 154.562008][ T7270] ? __ia32_sys_timer_getoverrun+0x130/0x130 [ 154.567971][ T7270] ? lock_is_held_type+0xbb/0xf0 [ 154.572908][ T7270] ? lock_is_held_type+0xbb/0xf0 [ 154.577827][ T7270] ? syscall_enter_from_user_mode+0x20/0x290 [ 154.583785][ T7270] ? check_preemption_disabled+0x50/0x130 [ 154.589488][ T7270] ? syscall_enter_from_user_mode+0x20/0x290 [ 154.595458][ T7270] ? lockdep_hardirqs_on+0x53/0x100 [ 154.600999][ T7270] do_syscall_64+0x2d/0x70 [ 154.605395][ T7270] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 154.611280][ T7270] RIP: 0033:0x4468e9 [ 154.615162][ T7270] Code: e8 5c b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 154.634756][ T7270] RSP: 002b:00007fc295393db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000df [ 154.643147][ T7270] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 00000000004468e9 [ 154.651101][ T7270] RDX: 0000000020000300 RSI: 0000000000000000 RDI: 0000000000000000 [ 154.659049][ T7270] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 154.666998][ T7270] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 154.674947][ T7270] R13: 00007ffc227820ef R14: 00007fc2953949c0 R15: 20c49ba5e353f7cf [ 154.684137][ T7270] Kernel Offset: disabled [ 154.688501][ T7270] Rebooting in 86400 seconds..