WARNING in hci_conn

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.1	WARNING in hci_conn_drop				1	74d	74d	0/3	upstream: reported on 2024/06/25 23:48
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WARNING: CPU: 0 PID: 5722 at kernel/workqueue.c:1453 __queue_work+0xee4/0x114c kernel/workqueue.c:1453
Modules linked in:
CPU: 0 PID: 5722 Comm: syz.3.462 Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __queue_work+0xee4/0x114c kernel/workqueue.c:1453
lr : __queue_work+0xee4/0x114c kernel/workqueue.c:1453
sp : ffff80001ce575d0
x29: ffff80001ce57610 x28: 1fffe0001c67e291 x27: 0000000000000008
x26: ffff0000d80a3800 x25: dfff800000000000 x24: ffff0000d80a39c0
x23: 1fffe0001b014738 x22: ffff0000cd8c1b48 x21: 1fffe00019b18369
x20: 00000000000b0012 x19: ffff0000d788e138 x18: 0000000000000000
x17: 0000000000000002 x16: ffff8000082ebc4c x15: 0000000000000081
x14: 1ffff0000292a06a x13: dfff800000000000 x12: 0000000000040000
x11: 000000000000a838 x10: ffff80001fcca000 x9 : 000000000000a839
x8 : ffff80000820657c x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008206cd0
x2 : ffff0000d788e138 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __queue_work+0xee4/0x114c kernel/workqueue.c:1453
 __queue_delayed_work kernel/workqueue.c:1679 [inline]
 queue_delayed_work_on+0x214/0x330 kernel/workqueue.c:1715
 queue_delayed_work include/linux/workqueue.h:527 [inline]
 hci_conn_drop+0x1a0/0x2d0 include/net/bluetooth/hci_core.h:1196
 l2cap_chan_del+0x264/0x560 net/bluetooth/l2cap_core.c:671
 l2cap_chan_close+0x4c8/0x828
 l2cap_sock_shutdown+0x338/0x7d4 net/bluetooth/l2cap_sock.c:1378
 l2cap_sock_release+0x78/0x1b4 net/bluetooth/l2cap_sock.c:1422
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x1fc net/socket.c:1336
 __fput+0x30c/0x7f0 fs/file_table.c:280
 ____fput+0x20/0x30 fs/file_table.c:308
 task_work_run+0x130/0x1e4 kernel/task_work.c:164
 get_signal+0x1450/0x1550 kernel/signal.c:2661
 do_signal arch/arm64/kernel/signal.c:890 [inline]
 do_notify_resume+0x3d0/0x32b8 arch/arm64/kernel/signal.c:943
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 1342
hardirqs last  enabled at (1341): [<ffff80000820a294>] __cancel_work+0x1f0/0x2b0 kernel/workqueue.c:3276
hardirqs last disabled at (1342): [<ffff800008206cc4>] queue_delayed_work_on+0x84/0x330 kernel/workqueue.c:1712
softirqs last  enabled at (1336): [<ffff80000fd5f380>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (1336): [<ffff80000fd5f380>] release_sock+0x1e4/0x270 net/core/sock.c:3276
softirqs last disabled at (1334): [<ffff80000fd5f1d8>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (1334): [<ffff80000fd5f1d8>] release_sock+0x3c/0x270 net/core/sock.c:3263
---[ end trace 6f1d91a419c85d55 ]---