ODEBUG: object 0000000044194959 is on stack 00000000543a4f81, but NOT annotated. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27492 at lib/debugobjects.c:303 debug_object_is_on_stack lib/debugobjects.c:303 [inline] WARNING: CPU: 1 PID: 27492 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: 27492 Comm: syz-executor.5 Not tainted 4.9.205-syzkaller #0 ffff8801a06d7a58 ffffffff81b55e6b 0000000000000000 ffffffff82a3b700 00000000ffffffff 0000000000000001 0000000000000009 ffff8801a06d7b38 ffffffff813ff051 0000000041b58ab3 ffffffff82e316eb ffffffff813fee71 Call Trace: [<000000002487e14e>] __dump_stack lib/dump_stack.c:15 [inline] [<000000002487e14e>] dump_stack+0xcb/0x130 lib/dump_stack.c:56 [<000000005f0d947f>] panic+0x1e0/0x3c4 kernel/panic.c:181 [<00000000d41f5821>] __warn.cold+0x2f/0x2f kernel/panic.c:547 [<00000000d35d35b5>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:590 [<00000000cb9b742d>] debug_object_is_on_stack lib/debugobjects.c:303 [inline] [<00000000cb9b742d>] __debug_object_init.cold+0x6b/0x2fd lib/debugobjects.c:329 [<0000000033ec711e>] debug_object_init+0x16/0x20 lib/debugobjects.c:366 [<00000000fbefa8ef>] debug_hrtimer_init kernel/time/hrtimer.c:393 [inline] [<00000000fbefa8ef>] debug_init kernel/time/hrtimer.c:438 [inline] [<00000000fbefa8ef>] hrtimer_init+0x2a/0x2f0 kernel/time/hrtimer.c:1165 [<000000005205834e>] alarm_init kernel/time/alarmtimer.c:321 [inline] [<000000005205834e>] alarm_timer_nsleep+0x160/0x4e0 kernel/time/alarmtimer.c:783 [<00000000c455f506>] SYSC_clock_nanosleep kernel/time/posix-timers.c:1128 [inline] [<00000000c455f506>] SyS_clock_nanosleep+0x1be/0x280 kernel/time/posix-timers.c:1110 [<000000000d4af2fb>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c2fcbc34>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Kernel Offset: disabled Rebooting in 86400 seconds..