ODEBUG: object 0000000021298020 is on stack 00000000ffc6c28f, but NOT annotated. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27501 at lib/debugobjects.c:303 debug_object_is_on_stack lib/debugobjects.c:303 [inline] WARNING: CPU: 1 PID: 27501 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: 27501 Comm: syz-executor.1 Not tainted 4.9.172+ #50 ffff88015e757a58 ffffffff81b4fc11 0000000000000000 ffffffff82a39c20 00000000ffffffff 0000000000000001 0000000000000009 ffff88015e757b38 ffffffff813f970a 0000000041b58ab3 ffffffff82e2f182 ffffffff813f9531 Call Trace: [<0000000010117911>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000010117911>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000072dc9948>] panic+0x1d9/0x3bd kernel/panic.c:180 [<0000000034f40fc3>] __warn.cold+0x2f/0x2f kernel/panic.c:546 [<000000007d1b22ed>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:589 [<00000000feecab0d>] debug_object_is_on_stack lib/debugobjects.c:303 [inline] [<00000000feecab0d>] __debug_object_init.cold+0x6b/0x2fd lib/debugobjects.c:329 [<000000008f31b337>] debug_object_init+0x16/0x20 lib/debugobjects.c:366 [<00000000f4a165b6>] debug_hrtimer_init kernel/time/hrtimer.c:393 [inline] [<00000000f4a165b6>] debug_init kernel/time/hrtimer.c:438 [inline] [<00000000f4a165b6>] hrtimer_init+0x2a/0x2f0 kernel/time/hrtimer.c:1165 [<00000000d769bf93>] alarm_init kernel/time/alarmtimer.c:321 [inline] [<00000000d769bf93>] alarm_timer_nsleep+0x160/0x4e0 kernel/time/alarmtimer.c:783 [<000000005c80c60a>] SYSC_clock_nanosleep kernel/time/posix-timers.c:1128 [inline] [<000000005c80c60a>] SyS_clock_nanosleep+0x1be/0x280 kernel/time/posix-timers.c:1110 [<0000000080c9bb49>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285 [<00000000ded47474>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Kernel Offset: disabled Rebooting in 86400 seconds..