=============================
[ BUG: Invalid wait context ]
6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0 Not tainted
-----------------------------
syz-executor/5928 is trying to lock:
ffff88806a73af60 (batched_entropy_u8.lock){..-.}-{3:3}, at: local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
ffff88806a73af60 (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}
2 locks held by syz-executor/5928:
 #0: ffff888021502790 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xd8/0x12b0 fs/seq_file.c:182
 #1: ffff88806a73ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
stack backtrace:
CPU: 1 UID: 0 PID: 5928 Comm: syz-executor Not tainted 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <IRQ>
 __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:4826 [inline]
 check_wait_context kernel/locking/lockdep.c:4898 [inline]
 __lock_acquire+0x878/0x3c40 kernel/locking/lockdep.c:5176
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
 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:4137 [inline]
 __kmalloc_cache_noprof+0x129/0x410 mm/slub.c:4309
 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+0x34d/0x560 mm/page_owner.c:329
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1556
 prep_new_page mm/page_alloc.c:1564 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3474
 __alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4751
 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265
 stack_depot_save_flags+0x566/0x8f0 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
 task_tick_numa kernel/sched/fair.c:3607 [inline]
 task_tick_fair+0x524/0x8e0 kernel/sched/fair.c:13054
 sched_tick+0x1dd/0x4f0 kernel/sched/core.c:5652
 update_process_times+0x19c/0x2d0 kernel/time/timer.c:2524
 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:1739 [inline]
 __hrtimer_run_queues+0x5fb/0xae0 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865
 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+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:write_comp_data+0x42/0x90 kernel/kcov.c:246
Code: a9 00 01 ff 00 74 1d f6 c4 01 74 67 a9 00 00 0f 00 75 60 a9 00 00 f0 00 75 59 8b 82 1c 16 00 00 85 c0 74 4f 8b 82 f8 15 00 00 <83> f8 03 75 44 48 8b 82 00 16 00 00 8b 92 fc 15 00 00 48 8b 38 48
RSP: 0018:ffffc900049d7a28 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff8d3f4ca7 RCX: ffffffff818e6ac9
RDX: ffff888022a62440 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000074 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8880127c484d R14: 00000000000001e0 R15: dffffc0000000000
 kallsyms_expand_symbol.constprop.0+0x169/0x310 kernel/kallsyms.c:78
 get_ksymbol_core kernel/kallsyms.c:650 [inline]
 update_iter+0x288/0x860 kernel/kallsyms.c:702
 s_next+0x67/0xb0 kernel/kallsyms.c:712
 seq_read_iter+0xa10/0x12b0 fs/seq_file.c:262
 seq_read+0x39f/0x4e0 fs/seq_file.c:162
 pde_read fs/proc/inode.c:308 [inline]
 proc_reg_read+0x23d/0x330 fs/proc/inode.c:320
 vfs_read+0x1df/0xbe0 fs/read_write.c:563
 ksys_read+0x12b/0x250 fs/read_write.c:708
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f17f8d7e8ad
Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb b5 e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 91 2c 19 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec
RSP: 002b:00007ffd6ffc57b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055555f0fae70 RCX: 00007f17f8d7e8ad
RDX: 0000000000001000 RSI: 00007f17f6027da8 RDI: 0000000000000008
RBP: 00007ffd6ffc58e0 R08: 000000000069e000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
R13: 000055555f0f9c70 R14: 00007ffd6ffc58c0 R15: 00007ffd6ffc58a0
 </TASK>
----------------
Code disassembly (best guess):
   0:	a9 00 01 ff 00       	test   $0xff0100,%eax
   5:	74 1d                	je     0x24
   7:	f6 c4 01             	test   $0x1,%ah
   a:	74 67                	je     0x73
   c:	a9 00 00 0f 00       	test   $0xf0000,%eax
  11:	75 60                	jne    0x73
  13:	a9 00 00 f0 00       	test   $0xf00000,%eax
  18:	75 59                	jne    0x73
  1a:	8b 82 1c 16 00 00    	mov    0x161c(%rdx),%eax
  20:	85 c0                	test   %eax,%eax
  22:	74 4f                	je     0x73
  24:	8b 82 f8 15 00 00    	mov    0x15f8(%rdx),%eax
* 2a:	83 f8 03             	cmp    $0x3,%eax <-- trapping instruction
  2d:	75 44                	jne    0x73
  2f:	48 8b 82 00 16 00 00 	mov    0x1600(%rdx),%rax
  36:	8b 92 fc 15 00 00    	mov    0x15fc(%rdx),%edx
  3c:	48 8b 38             	mov    (%rax),%rdi
  3f:	48                   	rex.W