------------[ cut here ]------------
WARNING: CPU: 0 PID: 7443 at kernel/workqueue.c:2257 __queue_work+0xcd3/0xf50 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 7443 Comm: syz.2.300 Not tainted 6.12.0-syzkaller-09088-g537a2525eaf7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__queue_work+0xcd3/0xf50 kernel/workqueue.c:2256
Code: ff e8 c1 ed 37 00 90 0f 0b 90 e9 1e fd ff ff e8 b3 ed 37 00 eb 13 e8 ac ed 37 00 eb 0c e8 a5 ed 37 00 eb 05 e8 9e ed 37 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
RSP: 0018:ffffc90003027a88 EFLAGS: 00010093
RAX: ffffffff815df264 RBX: ffff88802630bc00 RCX: ffff88802630bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff815de6c4 R09: 0000000000000000
R10: ffffc90003027b60 R11: fffff52000604f6d R12: ffff88803421b800
R13: ffff88803421b9c0 R14: dffffc0000000000 R15: 0000000000000008
FS:  00007fc2ca9b46c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005d4fe000 CR4: 00000000003526f0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 queue_work_on+0x1c2/0x380 kernel/workqueue.c:2390
 queue_work include/linux/workqueue.h:662 [inline]
 hci_recv_frame+0x598/0x6f0 net/bluetooth/hci_core.c:2946
 vhci_get_user drivers/bluetooth/hci_vhci.c:511 [inline]
 vhci_write+0x35a/0x490 drivers/bluetooth/hci_vhci.c:607
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc2c9b80849
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc2ca9b4058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc2c9d46160 RCX: 00007fc2c9b80849
RDX: 0000000000000012 RSI: 0000000020000200 RDI: 00000000000000ca
RBP: 00007fc2c9bf3986 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fc2c9d46160 R15: 00007ffe487e4db8
 </TASK>