Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
CPU: 0 UID: 0 PID: 16803 Comm: syz-executor Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
RIP: 0010:klist_put lib/klist.c:212 [inline]
RIP: 0010:klist_del lib/klist.c:230 [inline]
RIP: 0010:klist_remove+0x156/0x340 lib/klist.c:249
Code: 4d 89 f5 49 c1 ed 03 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 ed 71 5c f6 4d 8b 26 49 83 e4 fe 49 8d 7c 24 58 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 ce 71 5c f6 49 8b 44 24 58 48 89 44 24 08
RSP: 0018:ffffc9000b3c7880 EFLAGS: 00010212
RAX: 000000000000000b RBX: ffff888057e45dc0 RCX: ffffffff9a9e2501
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc9000b3c7980 R08: ffffffff905fa7e3 R09: 1ffffffff20bf4fc
R10: dffffc0000000000 R11: fffffbfff20bf4fd R12: 0000000000000000
R13: 1ffff11009f26b8c R14: ffff88804f935c60 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888124cd2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9cda5aedc0 CR3: 000000002553a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 device_move+0x18e/0x720 drivers/base/core.c:4702
 hci_conn_del_sysfs+0xb8/0x1a0 net/bluetooth/hci_sysfs.c:75
 hci_conn_cleanup net/bluetooth/hci_conn.c:170 [inline]
 hci_conn_del+0xc3d/0x1200 net/bluetooth/hci_conn.c:1318
 hci_conn_hash_flush+0x189/0x260 net/bluetooth/hci_conn.c:2747
 hci_dev_close_sync+0x7fc/0x10c0 net/bluetooth/hci_sync.c:5593
 hci_dev_do_close net/bluetooth/hci_core.c:502 [inline]
 hci_unregister_dev+0x232/0x5b0 net/bluetooth/hci_core.c:2681
 vhci_release+0x16d/0x1c0 drivers/bluetooth/hci_vhci.c:700
 __fput+0x418/0xa50 fs/file_table.c:512
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x73a/0x2360 kernel/exit.c:1011
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1154
 __do_sys_exit_group kernel/exit.c:1165 [inline]
 __se_sys_exit_group kernel/exit.c:1163 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1163
 x64_sys_call+0x18c6/0x18d0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe2d3d9e159
Code: Unable to access opcode bytes at 0x7fe2d3d9e12f.
RSP: 002b:00007ffcd2eb4f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe2d3e344b0 RCX: 00007fe2d3d9e159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000002 R08: 0000000000000000 R09: 00007fe2d3e3448b
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcd2eb6210
R13: 00007fe2d3e3448b R14: 0000000000156800 R15: 00007ffcd2eb72e0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:klist_put lib/klist.c:212 [inline]
RIP: 0010:klist_del lib/klist.c:230 [inline]
RIP: 0010:klist_remove+0x156/0x340 lib/klist.c:249
Code: 4d 89 f5 49 c1 ed 03 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 ed 71 5c f6 4d 8b 26 49 83 e4 fe 49 8d 7c 24 58 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 74 05 e8 ce 71 5c f6 49 8b 44 24 58 48 89 44 24 08
RSP: 0018:ffffc9000b3c7880 EFLAGS: 00010212
RAX: 000000000000000b RBX: ffff888057e45dc0 RCX: ffffffff9a9e2501
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc9000b3c7980 R08: ffffffff905fa7e3 R09: 1ffffffff20bf4fc
R10: dffffc0000000000 R11: fffffbfff20bf4fd R12: 0000000000000000
R13: 1ffff11009f26b8c R14: ffff88804f935c60 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888124cd2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f213bc27dac CR3: 000000007f0de000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	4d 89 f5             	mov    %r14,%r13
   3:	49 c1 ed 03          	shr    $0x3,%r13
   7:	43 80 7c 3d 00 00    	cmpb   $0x0,0x0(%r13,%r15,1)
   d:	74 08                	je     0x17
   f:	4c 89 f7             	mov    %r14,%rdi
  12:	e8 ed 71 5c f6       	call   0xf65c7204
  17:	4d 8b 26             	mov    (%r14),%r12
  1a:	49 83 e4 fe          	and    $0xfffffffffffffffe,%r12
  1e:	49 8d 7c 24 58       	lea    0x58(%r12),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 05                	je     0x36
  31:	e8 ce 71 5c f6       	call   0xf65c7204
  36:	49 8b 44 24 58       	mov    0x58(%r12),%rax
  3b:	48 89 44 24 08       	mov    %rax,0x8(%rsp)