general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f]
CPU: 0 PID: 12681 Comm: syz-executor Not tainted 6.1.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:klist_put lib/klist.c:212 [inline]
RIP: 0010:klist_del lib/klist.c:230 [inline]
RIP: 0010:klist_remove+0x1e2/0x460 lib/klist.c:249
Code: 80 3c 04 00 74 08 4c 89 ff e8 7a 85 3a f7 4d 8b 2f 49 83 e5 fe 49 8d 7d 58 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 53 85 3a f7 4d 8b 75 58 4c 89 ef e8 97 91 15
RSP: 0018:ffffc900032e7420 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffffffff8e83dca8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc900032e7508 R08: dffffc0000000000 R09: fffffbfff1d07b89
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100ae4948c
R13: 0000000000000000 R14: ffff8880635e3b80 R15: ffff88805724a460
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020220000 CR3: 000000002814e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
device_move+0x1b0/0x700 drivers/base/core.c:4632
hci_conn_del_sysfs+0xa8/0x150 net/bluetooth/hci_sysfs.c:73
hci_conn_cleanup+0x5a0/0x740 net/bluetooth/hci_conn.c:172
hci_conn_del+0x417/0x6c0 net/bluetooth/hci_conn.c:1151
hci_conn_hash_flush+0x300/0x3f0 net/bluetooth/hci_conn.c:2510
hci_dev_close_sync+0x9a9/0xfc0 net/bluetooth/hci_sync.c:5178
hci_dev_do_close net/bluetooth/hci_core.c:509 [inline]
hci_unregister_dev+0x207/0x500 net/bluetooth/hci_core.c:2706
vhci_release+0x7f/0xd0 drivers/bluetooth/hci_vhci.c:573
__fput+0x3f6/0x8d0 fs/file_table.c:320
task_work_run+0x246/0x300 kernel/task_work.c:203
exit_task_work include/linux/task_work.h:39 [inline]
do_exit+0xa6e/0x26a0 kernel/exit.c:871
do_group_exit+0x202/0x2b0 kernel/exit.c:1021
get_signal+0x16f7/0x17d0 kernel/signal.c:2871
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa66098b7df
Code: Unable to access opcode bytes at 0x7fa66098b7b5.
RSP: 002b:00007ffe499b8e20 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: 0000000000000001 RBX: 0000000000000005 RCX: 00007fa66098b7df
RDX: 0000000000000001 RSI: 00007ffe499b8e70 RDI: 0000000000000005
RBP: 00007fa660a0f4ad R08: 0000000000000000 R09: 00007ffe499b8c77
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffe499b8e70 R14: 00007fa6616d4620 R15: 0000000000000003
</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+0x1e2/0x460 lib/klist.c:249
Code: 80 3c 04 00 74 08 4c 89 ff e8 7a 85 3a f7 4d 8b 2f 49 83 e5 fe 49 8d 7d 58 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 53 85 3a f7 4d 8b 75 58 4c 89 ef e8 97 91 15
RSP: 0018:ffffc900032e7420 EFLAGS: 00010202
RAX: 000000000000000b RBX: ffffffff8e83dca8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000058
RBP: ffffc900032e7508 R08: dffffc0000000000 R09: fffffbfff1d07b89
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100ae4948c
R13: 0000000000000000 R14: ffff8880635e3b80 R15: ffff88805724a460
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020333000 CR3: 000000002fc1a000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 80 3c 04 00 cmpb $0x0,(%rsp,%rax,1)
4: 74 08 je 0xe
6: 4c 89 ff mov %r15,%rdi
9: e8 7a 85 3a f7 call 0xf73a8588
e: 4d 8b 2f mov (%r15),%r13
11: 49 83 e5 fe and $0xfffffffffffffffe,%r13
15: 49 8d 7d 58 lea 0x58(%r13),%rdi
19: 48 89 f8 mov %rdi,%rax
1c: 48 c1 e8 03 shr $0x3,%rax
20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
27: fc ff df
* 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction
2e: 74 05 je 0x35
30: e8 53 85 3a f7 call 0xf73a8588
35: 4d 8b 75 58 mov 0x58(%r13),%r14
39: 4c 89 ef mov %r13,%rdi
3c: e8 .byte 0xe8
3d: 97 xchg %eax,%edi
3e: 91 xchg %eax,%ecx
3f: 15 .byte 0x15