Bluetooth: hci2: link tx timeout
Bluetooth: hci2: killing stalled connection 10:aa:aa:aa:aa:aa
Bluetooth: hci2: link tx timeout
Bluetooth: hci2: killing stalled connection 11:aa:aa:aa:aa:aa
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 280, name: kworker/u5:1
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
3 locks held by kworker/u5:1/280:
#0: ffff88800e297138 ((wq_completion)hci2#2){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff88800ed2fdb0 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770
#2: ffffffff8560b6c0 (rcu_read_lock){....}-{1:2}, at: __check_timeout+0x171/0x480
CPU: 1 PID: 280 Comm: kworker/u5:1 Not tainted 6.4.0-next-20230630 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci2 hci_tx_work
Call Trace:
dump_stack_lvl+0xc1/0xf0
__might_resched+0x2f9/0x510
__mutex_lock+0x9e/0x1a30
hci_cmd_sync_submit+0x3b/0x2d0
hci_cmd_sync_queue+0x7b/0xb0
hci_disconnect+0x1c2/0x450
__check_timeout+0x2cc/0x480
hci_tx_work+0x7cb/0x1a70
process_one_work+0xabf/0x1770
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
=============================
[ BUG: Invalid wait context ]
6.4.0-next-20230630 #1 Tainted: G W
-----------------------------
kworker/u5:1/280 is trying to lock:
ffff88800e2c49b0 (&hdev->unregister_lock){+.+.}-{3:3}, at: hci_cmd_sync_submit+0x3b/0x2d0
other info that might help us debug this:
context-{4:4}
3 locks held by kworker/u5:1/280:
#0: ffff88800e297138 ((wq_completion)hci2#2){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff88800ed2fdb0 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770
#2: ffffffff8560b6c0 (rcu_read_lock){....}-{1:2}, at: __check_timeout+0x171/0x480
stack backtrace:
CPU: 1 PID: 280 Comm: kworker/u5:1 Tainted: G W 6.4.0-next-20230630 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci2 hci_tx_work
Call Trace:
dump_stack_lvl+0x91/0xf0
__lock_acquire+0x1605/0x6340
lock_acquire+0x19a/0x4c0
__mutex_lock+0x12a/0x1a30
hci_cmd_sync_submit+0x3b/0x2d0
hci_cmd_sync_queue+0x7b/0xb0
hci_disconnect+0x1c2/0x450
__check_timeout+0x2cc/0x480
hci_tx_work+0x7cb/0x1a70
process_one_work+0xabf/0x1770
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
audit: type=1326 audit(1688234525.229:20): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5052 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f88a071bb19 code=0x0
loop7: detected capacity change from 0 to 1024
EXT4-fs (loop7): ext4_check_descriptors: Inode table for group 0 not in group (block 7173)!
EXT4-fs (loop7): group descriptors corrupted!
Bluetooth: hci2: link tx timeout
Bluetooth: hci2: killing stalled connection 10:aa:aa:aa:aa:aa
Bluetooth: hci2: link tx timeout
Bluetooth: hci2: killing stalled connection 11:aa:aa:aa:aa:aa
loop6: detected capacity change from 0 to 1024
EXT4-fs (loop6): ext4_check_descriptors: Inode table for group 0 not in group (block 7173)!
EXT4-fs (loop6): group descriptors corrupted!
loop7: detected capacity change from 0 to 1024
EXT4-fs (loop7): ext4_check_descriptors: Inode table for group 0 not in group (block 7173)!
EXT4-fs (loop7): group descriptors corrupted!
loop6: detected capacity change from 0 to 1024
EXT4-fs (loop6): ext4_check_descriptors: Inode table for group 0 not in group (block 7173)!
EXT4-fs (loop6): group descriptors corrupted!
loop7: detected capacity change from 0 to 1024
loop6: detected capacity change from 0 to 1024
EXT4-fs (loop6): ext4_check_descriptors: Inode table for group 0 not in group (block 7173)!
EXT4-fs (loop6): group descriptors corrupted!
EXT4-fs (loop7): ext4_check_descriptors: Inode table for group 0 not in group (block 7173)!
EXT4-fs (loop7): group descriptors corrupted!
audit: type=1326 audit(1688234526.062:21): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5052 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f88a071bb19 code=0x0
Bluetooth: hci2: command 0x0406 tx timeout