ODEBUG: object 00000000b3662476 is on stack 000000004fc3111d, but NOT annotated.
serio: Serial port pts0
serio: Serial port pts0
serio: Serial port pts0
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9922 at lib/debugobjects.c:303 debug_object_is_on_stack lib/debugobjects.c:303 [inline]
WARNING: CPU: 1 PID: 9922 at lib/debugobjects.c:303 __debug_object_init.cold+0x6b/0x2fd lib/debugobjects.c:329
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 9922 Comm: syz-executor.5 Not tainted 4.9.205-syzkaller #0
 ffff8801c70efa58 ffffffff81b55e6b 0000000000000000 ffffffff82a3b700
 00000000ffffffff 0000000000000001 0000000000000009 ffff8801c70efb38
 ffffffff813ff051 0000000041b58ab3 ffffffff82e316eb ffffffff813fee71
Call Trace:
 [<00000000273f4dd1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<00000000273f4dd1>] dump_stack+0xcb/0x130 lib/dump_stack.c:56
 [<0000000094e20d9d>] panic+0x1e0/0x3c4 kernel/panic.c:181
 [<000000009c421adf>] __warn.cold+0x2f/0x2f kernel/panic.c:547
 [<000000007cb3bca7>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:590
 [<00000000af530df1>] debug_object_is_on_stack lib/debugobjects.c:303 [inline]
 [<00000000af530df1>] __debug_object_init.cold+0x6b/0x2fd lib/debugobjects.c:329
 [<00000000a09c9e51>] debug_object_init+0x16/0x20 lib/debugobjects.c:366
 [<00000000689f8c37>] debug_hrtimer_init kernel/time/hrtimer.c:393 [inline]
 [<00000000689f8c37>] debug_init kernel/time/hrtimer.c:438 [inline]
 [<00000000689f8c37>] hrtimer_init+0x2a/0x2f0 kernel/time/hrtimer.c:1165
 [<000000007925765a>] alarm_init kernel/time/alarmtimer.c:321 [inline]
 [<000000007925765a>] alarm_timer_nsleep+0x160/0x4e0 kernel/time/alarmtimer.c:783
 [<000000004f38452f>] SYSC_clock_nanosleep kernel/time/posix-timers.c:1128 [inline]
 [<000000004f38452f>] SyS_clock_nanosleep+0x1be/0x280 kernel/time/posix-timers.c:1110
 [<000000005d7b94d7>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000c172d5ce>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..