=============================
[ BUG: Invalid wait context ]
6.13.0-syzkaller-07259-g0f8e26b38d7a #0 Not tainted
-----------------------------
syz.3.19/5977 is trying to lock:
ffffffff8e3a62b8 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline]
ffffffff8e3a62b8 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline]
ffffffff8e3a62b8 (stack_list_lock){-.-.}-{3:3}, at: __set_page_owner+0x5ac/0x790 mm/page_owner.c:329
other info that might help us debug this:
context-{2:2}
no locks held by syz.3.19/5977.
stack backtrace:
CPU: 0 UID: 0 PID: 5977 Comm: syz.3.19 Not tainted 6.13.0-syzkaller-07259-g0f8e26b38d7a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_lock_invalid_wait_context kernel/locking/lockdep.c:4828 [inline]
 check_wait_context kernel/locking/lockdep.c:4900 [inline]
 __lock_acquire+0x878/0x3c40 kernel/locking/lockdep.c:5178
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
 add_stack_record_to_list mm/page_owner.c:182 [inline]
 inc_stack_record_count mm/page_owner.c:214 [inline]
 __set_page_owner+0x5ac/0x790 mm/page_owner.c:329
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x221/0x2470 mm/page_alloc.c:4753
 alloc_pages_mpol_noprof+0x2c8/0x620 mm/mempolicy.c:2269
 stack_depot_save_flags+0x8e0/0x9e0 lib/stackdepot.c:627
 kasan_save_stack+0x42/0x60 mm/kasan/common.c:48
 __kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:544
 task_work_add+0xc0/0x3b0 kernel/task_work.c:77
 __run_posix_cpu_timers kernel/time/posix-cpu-timers.c:1223 [inline]
 run_posix_cpu_timers+0x69f/0x7d0 kernel/time/posix-cpu-timers.c:1422
 update_process_times+0x1a1/0x2d0 kernel/time/timer.c:2522
 tick_sched_handle kernel/time/tick-sched.c:276 [inline]
 tick_nohz_handler+0x376/0x530 kernel/time/tick-sched.c:297
 __run_hrtimer kernel/time/hrtimer.c:1738 [inline]
 __hrtimer_run_queues+0x5fb/0xae0 kernel/time/hrtimer.c:1802
 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1864
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7f9a6a4664bd
Code: 72 6e 41 0f 11 0c 24 48 8b 77 f8 48 89 f8 48 89 eb eb 12 66 2e 0f 1f 84 00 00 00 00 00 48 8b 4b 08 48 83 c3 08 48 39 d1 72 f3 <48> 83 e8 08 48 39 f2 73 17 66 2e 0f 1f 84 00 00 00 00 00 48 8b 70
RSP: 002b:00007ffe4d8463d0 EFLAGS: 00000246
RAX: 00007f9a69cd4398 RBX: 00007f9a69cd2e98 RCX: ffffffff822763fb
RDX: ffffffff822763fb RSI: ffffffff822763fb RDI: 00007f9a69cd4568
RBP: 00007f9a69cd2c60 R08: 00007f9a69cd38e0 R09: 00007f9a6a792000
R10: 00007f9a69bff008 R11: 0000000000000013 R12: 00007f9a69cd2c58
R13: 0000000000000016 R14: 0000000000000032 R15: 00007f9a69bff008
 </TASK>
vkms_vblank_simulate: vblank timer overrun
vkms_vblank_simulate: vblank timer overrun
vkms_vblank_simulate: vblank timer overrun