=============================
[ BUG: Invalid wait context ]
6.13.0-syzkaller-07048-gae8b53aac327 #0 Not tainted
-----------------------------
syz.1.470/7933 is trying to lock:
ffff8880b873b0e0 (batched_entropy_u8.lock){..-.}-{3:3}, at: local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
ffff8880b873b0e0 (batched_entropy_u8.lock){..-.}-{3:3}, at: get_random_u8+0xef/0x7f0 drivers/char/random.c:551
other info that might help us debug this:
context-{2:2}
no locks held by syz.1.470/7933.
stack backtrace:
CPU: 1 UID: 0 PID: 7933 Comm: syz.1.470 Not tainted 6.13.0-syzkaller-07048-gae8b53aac327 #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
 local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
 get_random_u8+0x107/0x7f0 drivers/char/random.c:551
 get_random_u32_below include/linux/random.h:78 [inline]
 kfence_guarded_alloc mm/kfence/core.c:421 [inline]
 __kfence_alloc+0x4e8/0x15f0 mm/kfence/core.c:1136
 kfence_alloc include/linux/kfence.h:129 [inline]
 slab_alloc_node mm/slub.c:4152 [inline]
 __kmalloc_cache_noprof+0x125/0x420 mm/slub.c:4324
 kmalloc_noprof include/linux/slab.h:901 [inline]
 add_stack_record_to_list mm/page_owner.c:172 [inline]
 inc_stack_record_count mm/page_owner.c:214 [inline]
 __set_page_owner+0x50f/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: 0033:0x7f3360a4c983
Code: 00 00 00 0f 1f 40 00 41 89 fb 44 8d 56 04 4c 8d 0d 92 56 34 00 89 f0 4c 8d 05 89 36 34 00 89 c2 81 e2 ff 1f 00 00 49 8b 0c d1 <48> 39 f1 74 28 48 85 c9 74 29 45 38 1c 10 75 23 83 c0 01 44 39 d0
RSP: 002b:00007ffe0bc89f88 EFLAGS: 00000202
RAX: 000000008b425915 RBX: 00007f33618d5720 RCX: ffffffff8b425915
RDX: 0000000000001915 RSI: ffffffff8b425915 RDI: 0000000000000009
RBP: ffffffff8b425915 R08: 00007f3360d90000 R09: 00007f3360d92000
R10: 000000008b425919 R11: 0000000000000009 R12: 0000000000000009
R13: 0000000000003123 R14: ffffffff8b42528c R15: 000000000006811f
 </TASK>