[ 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 '10.128.1.18' (ECDSA) to the list of known hosts. executing program executing program executing program executing program syzkaller login: [ 93.179045][ C0] hrtimer: interrupt took 38204 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 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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 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 [ 104.975133][T10581] ------------[ cut here ]------------ [ 104.980751][T10581] WARNING: CPU: 0 PID: 10581 at kernel/time/posix-timers.c:849 timer_wait_running+0x218/0x250 [ 104.992250][T10581] Kernel panic - not syncing: panic_on_warn set ... [ 104.998854][T10581] CPU: 0 PID: 10581 Comm: syz-executor958 Not tainted 5.9.0-rc2-syzkaller #0 [ 105.007628][T10581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.017659][T10581] Call Trace: [ 105.020927][T10581] dump_stack+0x18f/0x20d [ 105.025326][T10581] panic+0x2e3/0x75c [ 105.029203][T10581] ? __warn_printk+0xf3/0xf3 [ 105.034825][T10581] ? printk+0xba/0xed [ 105.038783][T10581] ? log_store.cold+0x16/0x16 [ 105.043468][T10581] ? __warn.cold+0x5/0x4a [ 105.047786][T10581] ? __warn+0xd6/0x1f2 [ 105.051849][T10581] ? timer_wait_running+0x218/0x250 [ 105.057045][T10581] __warn.cold+0x20/0x4a [ 105.061288][T10581] ? timer_wait_running+0x218/0x250 [ 105.066485][T10581] report_bug+0x1bd/0x210 [ 105.070796][T10581] handle_bug+0x38/0x90 [ 105.074931][T10581] exc_invalid_op+0x14/0x40 [ 105.079431][T10581] asm_exc_invalid_op+0x12/0x20 [ 105.084279][T10581] RIP: 0010:timer_wait_running+0x218/0x250 [ 105.090062][T10581] Code: 00 48 c7 c2 a0 97 4d 88 be 7b 02 00 00 48 c7 c7 00 98 4d 88 c6 05 8b eb 46 09 01 e8 87 85 f4 ff e9 b1 fe ff ff e8 f8 04 0e 00 <0f> 0b e9 08 ff ff ff e8 6c 1d 4e 00 e9 3b fe ff ff 4c 89 e7 e8 6f [ 105.109664][T10581] RSP: 0018:ffffc9000ab87d40 EFLAGS: 00010293 [ 105.115726][T10581] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 105.123733][T10581] RDX: ffff8880a0b46100 RSI: ffffffff81663a18 RDI: ffffffff884da458 [ 105.131683][T10581] RBP: ffff888093acbb48 R08: 0000000000000001 R09: 0000000000000001 [ 105.139634][T10581] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc9000ab87da0 [ 105.147583][T10581] R13: 0000000000000000 R14: ffffffff884da3e0 R15: ffffc9000ab87da0 [ 105.155544][T10581] ? timer_wait_running+0x218/0x250 [ 105.160770][T10581] ? posix_cpu_timer_del+0x600/0x600 [ 105.166069][T10581] do_timer_settime.part.0+0x119/0x1d0 [ 105.171510][T10581] ? timer_wait_running+0x250/0x250 [ 105.176720][T10581] ? put_old_itimerspec32+0x1d0/0x1d0 [ 105.182075][T10581] ? posix_timer_fn+0x3d0/0x3d0 [ 105.186914][T10581] __ia32_sys_timer_settime32+0x219/0x310 [ 105.192616][T10581] ? __x64_sys_timer_settime32+0x310/0x310 [ 105.198413][T10581] ? lock_is_held_type+0xbb/0xf0 [ 105.203386][T10581] ? syscall_enter_from_user_mode+0x20/0x290 [ 105.209389][T10581] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 105.215348][T10581] ? trace_hardirqs_on+0x5f/0x220 [ 105.220369][T10581] ? lockdep_hardirqs_on+0x76/0xf0 [ 105.225463][T10581] __do_fast_syscall_32+0x57/0x80 [ 105.230522][T10581] do_fast_syscall_32+0x2f/0x70 [ 105.235362][T10581] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 105.241670][T10581] RIP: 0023:0xf7fa7549 [ 105.245731][T10581] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 105.265321][T10581] RSP: 002b:00000000f7f8114c EFLAGS: 00000296 ORIG_RAX: 0000000000000104 [ 105.273728][T10581] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000000000 [ 105.281718][T10581] RDX: 0000000020000300 RSI: 0000000000000000 RDI: 0000000000000002 [ 105.289712][T10581] RBP: 0000000020000180 R08: 0000000000000000 R09: 0000000000000000 [ 105.297664][T10581] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 105.305633][T10581] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 105.314791][T10581] Kernel Offset: disabled [ 105.319159][T10581] Rebooting in 86400 seconds..