general protection fault, probably for non-canonical address 0xdffffc000000005a: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000002d0-0x00000000000002d7]
CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 5.17.0-rc3-next-20220211 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Workqueue: events l2cap_chan_timeout
RIP: 0010:__mutex_lock+0xeb/0x1480
Code: d0 7c 08 84 d2 0f 85 bf 10 00 00 8b 0d 6e 9d d0 02 85 c9 75 29 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c0 10 00 00 4d 3b 76 60 0f 85 de 09 00 00 bf 01
RSP: 0018:ffff888008257b98 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000005a RSI: 0000000000000000 RDI: 00000000000002d0
RBP: 0000000000000000 R08: ffffffff83a3d8c1 R09: 0000000000000000
R10: ffffffff811ba886 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88804106c000 R14: 0000000000000270 R15: ffff888007bfaf00
FS:  0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558b802e5648 CR3: 0000000042b74000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 l2cap_chan_timeout+0x51/0x3a0
 process_one_work+0xa1c/0x16a0
 worker_thread+0x637/0x1260
 kthread+0x2f0/0x3a0
 ret_from_fork+0x22/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__mutex_lock+0xeb/0x1480
Code: d0 7c 08 84 d2 0f 85 bf 10 00 00 8b 0d 6e 9d d0 02 85 c9 75 29 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c0 10 00 00 4d 3b 76 60 0f 85 de 09 00 00 bf 01
RSP: 0018:ffff888008257b98 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000005a RSI: 0000000000000000 RDI: 00000000000002d0
RBP: 0000000000000000 R08: ffffffff83a3d8c1 R09: 0000000000000000
R10: ffffffff811ba886 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88804106c000 R14: 0000000000000270 R15: ffff888007bfaf00
FS:  0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558b802e5648 CR3: 0000000042b74000 CR4: 0000000000350ee0
loop5: detected capacity change from 0 to 2048
EXT4-fs error (device loop5): ext4_quota_enable:6801: comm syz-executor.5: Bad quota inode # 4
EXT4-fs warning (device loop5): ext4_enable_quotas:6838: Failed to enable quota tracking (type=1, err=-116). Please run e2fsck to fix.
Process accounting resumed
----------------
Code disassembly (best guess):
   0:	d0 7c 08 84          	sarb   -0x7c(%rax,%rcx,1)
   4:	d2 0f                	rorb   %cl,(%rdi)
   6:	85 bf 10 00 00 8b    	test   %edi,-0x74fffff0(%rdi)
   c:	0d 6e 9d d0 02       	or     $0x2d09d6e,%eax
  11:	85 c9                	test   %ecx,%ecx
  13:	75 29                	jne    0x3e
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df
  1f:	49 8d 7e 60          	lea    0x60(%r14),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 c0 10 00 00    	jne    0x10f4
  34:	4d 3b 76 60          	cmp    0x60(%r14),%r14
  38:	0f 85 de 09 00 00    	jne    0xa1c
  3e:	bf                   	.byte 0xbf
  3f:	01                   	.byte 0x1