syzbot

cfg80211: failed to load regulatory.db
BUG: unable to handle page fault for address: ffffed1011a43e01
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 5ffcd067 P4D 5ffcd067 PUD 2fff7067 PMD 0 
Oops: Oops: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.16.0-syzkaller-11129-geacf91b0c78a #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: cgroup_destroy css_free_rwork_fn
RIP: 0010:css_rstat_updated_list kernel/cgroup/rstat.c:287 [inline]
RIP: 0010:css_rstat_flush+0x582/0x1890 kernel/cgroup/rstat.c:415
Code: e4 16 07 00 eb 05 e8 dd 16 07 00 4c 8b 7c 24 08 4c 03 7c 24 10 4d 8d 77 08 4d 89 f5 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 4c 89 f7 e8 5e e8 6b 00 49 83 3e 00 0f 84
RSP: 0018:ffffc900001c7848 EFLAGS: 00010802
RAX: dffffc0000000000 RBX: ffff888045c41108 RCX: ffff88801c2e0000
RDX: 0000000000000000 RSI: ffffffff8be30ee0 RDI: ffff88801fc40e10
RBP: ffffffff8dbdbd10 R08: ffffffff8fa34537 R09: 1ffffffff1f468a6
R10: dffffc0000000000 R11: fffffbfff1f468a7 R12: ffff88801fc40e10
R13: 1ffff11011a43e01 R14: ffff88808d21f008 R15: ffff88808d21f000
FS:  0000000000000000(0000) GS:ffff88808d21f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1011a43e01 CR3: 000000000df36000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 css_rstat_exit+0xa9/0x320 kernel/cgroup/rstat.c:482
 css_free_rwork_fn+0x8b/0xc50 kernel/cgroup/cgroup.c:5454
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x711/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
CR2: ffffed1011a43e01
---[ end trace 0000000000000000 ]---
RIP: 0010:css_rstat_updated_list kernel/cgroup/rstat.c:287 [inline]
RIP: 0010:css_rstat_flush+0x582/0x1890 kernel/cgroup/rstat.c:415
Code: e4 16 07 00 eb 05 e8 dd 16 07 00 4c 8b 7c 24 08 4c 03 7c 24 10 4d 8d 77 08 4d 89 f5 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 4c 89 f7 e8 5e e8 6b 00 49 83 3e 00 0f 84
RSP: 0018:ffffc900001c7848 EFLAGS: 00010802
RAX: dffffc0000000000 RBX: ffff888045c41108 RCX: ffff88801c2e0000
RDX: 0000000000000000 RSI: ffffffff8be30ee0 RDI: ffff88801fc40e10
RBP: ffffffff8dbdbd10 R08: ffffffff8fa34537 R09: 1ffffffff1f468a6
R10: dffffc0000000000 R11: fffffbfff1f468a7 R12: ffff88801fc40e10
R13: 1ffff11011a43e01 R14: ffff88808d21f008 R15: ffff88808d21f000
FS:  0000000000000000(0000) GS:ffff88808d21f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1011a43e01 CR3: 000000000df36000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	00 eb                	add    %ch,%bl
   2:	05 e8 dd 16 07       	add    $0x716dde8,%eax
   7:	00 4c 8b 7c          	add    %cl,0x7c(%rbx,%rcx,4)
   b:	24 08                	and    $0x8,%al
   d:	4c 03 7c 24 10       	add    0x10(%rsp),%r15
  12:	4d 8d 77 08          	lea    0x8(%r15),%r14
  16:	4d 89 f5             	mov    %r14,%r13
  19:	49 c1 ed 03          	shr    $0x3,%r13
  1d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  24:	fc ff df
* 27:	41 80 7c 05 00 00    	cmpb   $0x0,0x0(%r13,%rax,1) <-- trapping instruction
  2d:	74 08                	je     0x37
  2f:	4c 89 f7             	mov    %r14,%rdi
  32:	e8 5e e8 6b 00       	call   0x6be895
  37:	49 83 3e 00          	cmpq   $0x0,(%r14)
  3b:	0f                   	.byte 0xf
  3c:	84                   	.byte 0x84