RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007fcdaa0f2f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3ed8256f R14: 00007fcda75ed300 R15: 0000000000022000
general protection fault, probably for non-canonical address 0xdffffc000000005a: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000002d0-0x00000000000002d7]
CPU: 1 PID: 67 Comm: kworker/1:2 Not tainted 5.10.205 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: events l2cap_chan_timeout
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:950 [inline]
RIP: 0010:__mutex_lock+0xf5/0x10b0 kernel/locking/mutex.c:1109
Code: d0 7c 08 84 d2 0f 85 a1 0c 00 00 8b 15 64 95 d9 02 85 d2 75 29 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 38 0f 00 00 4d 3b 6d 60 0f 85 48 0a 00 00 65 ff
RSP: 0018:ffff88800e42fb88 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 000000000000005a RSI: ffffffff84ff8520 RDI: 00000000000002d0
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8567278f
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000270 R14: ffff88806cf3aac0 R15: ffff88800f411500
FS:  0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056494bd31678 CR3: 0000000047a5e000 CR4: 0000000000350ee0
Call Trace:
 l2cap_chan_timeout+0x51/0x3a0 net/bluetooth/l2cap_core.c:438
 process_one_work+0x9a9/0x14b0 kernel/workqueue.c:2282
 worker_thread+0x61d/0x1310 kernel/workqueue.c:2428
 kthread+0x38f/0x470 kernel/kthread.c:313
 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:299
Modules linked in:
---[ end trace 5b5304c92171a2d4 ]---
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:950 [inline]
RIP: 0010:__mutex_lock+0xf5/0x10b0 kernel/locking/mutex.c:1109
Code: d0 7c 08 84 d2 0f 85 a1 0c 00 00 8b 15 64 95 d9 02 85 d2 75 29 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 38 0f 00 00 4d 3b 6d 60 0f 85 48 0a 00 00 65 ff
RSP: 0018:ffff88800e42fb88 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 000000000000005a RSI: ffffffff84ff8520 RDI: 00000000000002d0
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8567278f
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000270 R14: ffff88806cf3aac0 R15: ffff88800f411500
FS:  0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056494bd31678 CR3: 0000000047a5e000 CR4: 0000000000350ee0
EXT4-fs error (device loop1): ext4_fill_super:4962: inode #2: comm syz-executor.1: iget: special inode unallocated
EXT4-fs (loop1): get root inode failed
EXT4-fs (loop1): mount failed
----------------
Code disassembly (best guess):
   0:	d0 7c 08 84          	sarb   -0x7c(%rax,%rcx,1)
   4:	d2 0f                	rorb   %cl,(%rdi)
   6:	85 a1 0c 00 00 8b    	test   %esp,-0x74fffff4(%rcx)
   c:	15 64 95 d9 02       	adc    $0x2d99564,%eax
  11:	85 d2                	test   %edx,%edx
  13:	75 29                	jne    0x3e
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df
  1f:	49 8d 7d 60          	lea    0x60(%r13),%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 38 0f 00 00    	jne    0xf6c
  34:	4d 3b 6d 60          	cmp    0x60(%r13),%r13
  38:	0f 85 48 0a 00 00    	jne    0xa86
  3e:	65                   	gs
  3f:	ff                   	.byte 0xff