program: setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0xc, 0x0, 0x0) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r1, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r2 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) ioctl$sock_bt_hidp_HIDPCONNADD(r2, 0x400448c8, &(0x7f0000000280)={r1, r1, 0xc, 0x1, &(0x7f0000000340)='\x00', 0x9, 0x1, 0x457, 0x9, 0x9, 0x1, 0x1, 'syz1\x00'}) io_submit(0x0, 0x1, &(0x7f00000015c0)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0}]) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wlan0\x00'}) r3 = socket$phonet_pipe(0x23, 0x5, 0x2) ioctl$sock_proto_private(r3, 0x8b26, &(0x7f0000000080)) ioctl$sock_bt_hci(r0, 0x400448ca, 0x0) syz_mount_image$ocfs2(&(0x7f0000004440), &(0x7f0000000040)='./file0\x00', 0x8c0, &(0x7f0000000140)={[{@nointr}, {@inode64}, {@coherency_buffered}, {@heartbeat_none}, {@journal_async_commit}, {@localflocks}, {@atime_quantum={'atime_quantum', 0x3d, 0x2fcb}}, {@data_writeback}, {@err_cont}]}, 0x9, 0x443c, &(0x7f00000098c0)="$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[ 86.812360][ T4689] Bluetooth: hci0: command tx timeout [ 86.977773][ T5341] hid-multitouch 0005:0457:0009.0002: unknown main item tag 0x0 [ 86.985047][ T5343] warning: `syz.0.0' uses wireless extensions which will stop working for Wi-Fi 7 hardware; use nl80211 [ 87.004247][ T5341] hid-multitouch 0005:0457:0009.0002: hidraw1: BLUETOOTH HID v0.09 Device [syz1] on aa:aa:aa:aa:aa:aa [ 87.038409][ T5343] [ 87.039614][ T5343] ====================================================== [ 87.042759][ T5343] WARNING: possible circular locking dependency detected [ 87.045852][ T5343] 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 Not tainted [ 87.048969][ T5343] ------------------------------------------------------ [ 87.051920][ T5343] syz.0.0/5343 is trying to acquire lock: [ 87.054459][ T5343] ffff888040cbf040 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}, at: __flush_work+0xd2/0xbc0 [ 87.061423][ T5343] [ 87.061423][ T5343] but task is already holding lock: [ 87.064562][ T5343] ffff888040cbf338 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x70/0x680 [ 87.068372][ T5343] [ 87.068372][ T5343] which lock already depends on the new lock. [ 87.068372][ T5343] [ 87.072741][ T5343] [ 87.072741][ T5343] the existing dependency chain (in reverse order) is: [ 87.076585][ T5343] [ 87.076585][ T5343] -> #1 (&conn->lock#2){+.+.}-{4:4}: [ 87.079766][ T5343] lock_acquire+0x120/0x360 [ 87.081959][ T5343] __mutex_lock+0x182/0xe80 [ 87.084239][ T5343] l2cap_info_timeout+0x60/0xa0 [ 87.086589][ T5343] process_scheduled_works+0xae1/0x17b0 [ 87.089209][ T5343] worker_thread+0x8a0/0xda0 [ 87.092540][ T5343] kthread+0x70e/0x8a0 [ 87.094956][ T5343] ret_from_fork+0x3fc/0x770 [ 87.097428][ T5343] ret_from_fork_asm+0x1a/0x30 [ 87.099804][ T5343] [ 87.099804][ T5343] -> #0 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}: [ 87.104015][ T5343] validate_chain+0xb9b/0x2140 [ 87.107921][ T5343] __lock_acquire+0xab9/0xd20 [ 87.110202][ T5343] lock_acquire+0x120/0x360 [ 87.112469][ T5343] __flush_work+0x6b8/0xbc0 [ 87.114712][ T5343] __cancel_work_sync+0xbe/0x110 [ 87.117037][ T5343] l2cap_conn_del+0x4f0/0x680 [ 87.119226][ T5343] hci_conn_hash_flush+0x10d/0x230 [ 87.121609][ T5343] hci_dev_close_sync+0xaef/0x1330 [ 87.123843][ T5343] hci_dev_close+0x108/0x200 [ 87.125827][ T5343] sock_do_ioctl+0xd9/0x300 [ 87.128108][ T5343] sock_ioctl+0x576/0x790 [ 87.130598][ T5343] __se_sys_ioctl+0xfc/0x170 [ 87.132974][ T5343] do_syscall_64+0xfa/0x3b0 [ 87.135200][ T5343] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.138026][ T5343] [ 87.138026][ T5343] other info that might help us debug this: [ 87.138026][ T5343] [ 87.142783][ T5343] Possible unsafe locking scenario: [ 87.142783][ T5343] [ 87.145941][ T5343] CPU0 CPU1 [ 87.148340][ T5343] ---- ---- [ 87.150597][ T5343] lock(&conn->lock#2); [ 87.152436][ T5343] lock((work_completion)(&(&conn->info_timer)->work)); [ 87.156997][ T5343] lock(&conn->lock#2); [ 87.159973][ T5343] lock((work_completion)(&(&conn->info_timer)->work)); [ 87.163050][ T5343] [ 87.163050][ T5343] *** DEADLOCK *** [ 87.163050][ T5343] [ 87.166537][ T5343] 5 locks held by syz.0.0/5343: [ 87.168664][ T5343] #0: ffff8880119d8dc0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_close+0x100/0x200 [ 87.172537][ T5343] #1: ffff8880119d80b8 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x66a/0x1330 [ 87.176700][ T5343] #2: ffffffff8f685c88 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x230 [ 87.181156][ T5343] #3: ffff888040cbf338 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x70/0x680 [ 87.185023][ T5343] #4: ffffffff8e13f0e0 (rcu_read_lock){....}-{1:3}, at: __flush_work+0xd2/0xbc0 [ 87.188744][ T5343] [ 87.188744][ T5343] stack backtrace: [ 87.191349][ T5343] CPU: 0 UID: 0 PID: 5343 Comm: syz.0.0 Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 PREEMPT(full) [ 87.191373][ T5343] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 87.191395][ T5343] Call Trace: [ 87.191422][ T5343] [ 87.191429][ T5343] dump_stack_lvl+0x189/0x250 [ 87.191452][ T5343] ? __pfx_dump_stack_lvl+0x10/0x10 [ 87.191467][ T5343] ? __pfx__printk+0x10/0x10 [ 87.191483][ T5343] ? print_lock_name+0xde/0x100 [ 87.191498][ T5343] print_circular_bug+0x2ee/0x310 [ 87.191521][ T5343] check_noncircular+0x134/0x160 [ 87.191536][ T5343] validate_chain+0xb9b/0x2140 [ 87.191551][ T5343] ? do_raw_spin_lock+0x121/0x290 [ 87.191570][ T5343] ? look_up_lock_class+0x74/0x170 [ 87.191590][ T5343] ? register_lock_class+0x51/0x320 [ 87.191604][ T5343] __lock_acquire+0xab9/0xd20 [ 87.191618][ T5343] ? __flush_work+0xd2/0xbc0 [ 87.191632][ T5343] lock_acquire+0x120/0x360 [ 87.191644][ T5343] ? __flush_work+0xd2/0xbc0 [ 87.191660][ T5343] ? _raw_spin_unlock_irq+0x23/0x50 [ 87.191677][ T5343] ? __flush_work+0xd2/0xbc0 [ 87.191693][ T5343] __flush_work+0x6b8/0xbc0 [ 87.191707][ T5343] ? __flush_work+0xd2/0xbc0 [ 87.191718][ T5343] ? __flush_work+0xd2/0xbc0 [ 87.191728][ T5343] ? __pfx___flush_work+0x10/0x10 [ 87.191737][ T5343] ? __pfx_wq_barrier_func+0x10/0x10 [ 87.191749][ T5343] ? __pfx___cancel_work+0x10/0x10 [ 87.191764][ T5343] ? hci_conn_drop+0x14d/0x280 [ 87.191784][ T5343] __cancel_work_sync+0xbe/0x110 [ 87.191801][ T5343] l2cap_conn_del+0x4f0/0x680 [ 87.191838][ T5343] ? __pfx_l2cap_disconn_cfm+0x10/0x10 [ 87.191855][ T5343] hci_conn_hash_flush+0x10d/0x230 [ 87.191873][ T5343] hci_dev_close_sync+0xaef/0x1330 [ 87.191891][ T5343] ? __pfx_hci_dev_close_sync+0x10/0x10 [ 87.191906][ T5343] ? do_raw_read_unlock+0x3d/0x80 [ 87.191926][ T5343] hci_dev_close+0x108/0x200 [ 87.191943][ T5343] sock_do_ioctl+0xd9/0x300 [ 87.191971][ T5343] ? __pfx_sock_do_ioctl+0x10/0x10 [ 87.191989][ T5343] ? __lock_acquire+0xab9/0xd20 [ 87.192005][ T5343] sock_ioctl+0x576/0x790 [ 87.192024][ T5343] ? __pfx_sock_ioctl+0x10/0x10 [ 87.192043][ T5343] ? __fget_files+0x2a/0x420 [ 87.192061][ T5343] ? __fget_files+0x3a0/0x420 [ 87.192077][ T5343] ? __fget_files+0x2a/0x420 [ 87.192093][ T5343] ? bpf_lsm_file_ioctl+0x9/0x20 [ 87.192107][ T5343] ? __pfx_sock_ioctl+0x10/0x10 [ 87.192134][ T5343] __se_sys_ioctl+0xfc/0x170 [ 87.192156][ T5343] do_syscall_64+0xfa/0x3b0 [ 87.192170][ T5343] ? lockdep_hardirqs_on+0x9c/0x150 [ 87.192189][ T5343] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.192202][ T5343] ? clear_bhb_loop+0x60/0xb0 [ 87.192220][ T5343] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.192234][ T5343] RIP: 0033:0x7f729998e929 [ 87.192325][ T5343] 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 [ 87.192340][ T5343] RSP: 002b:00007f729a7dc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.192357][ T5343] RAX: ffffffffffffffda RBX: 00007f7299bb5fa0 RCX: 00007f729998e929 [ 87.192369][ T5343] RDX: 0000000000000000 RSI: 00000000400448ca RDI: 0000000000000004 [ 87.192494][ T5343] RBP: 00007f7299a10b39 R08: 0000000000000000 R09: 0000000000000000 [ 87.192511][ T5343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 87.192524][ T5343] R13: 0000000000000000 R14: 00007f7299bb5fa0 R15: 00007ffe271196b8 [ 87.192548][ T5343] [ 87.371575][ T5351] fido_id[5351]: Failed to open report descriptor at '/sys/devices/virtual/bluetooth/hci0/hci0:200/report_descriptor': No such file or directory [ 87.660548][ T5344] loop0: detected capacity change from 0 to 32768 [ 87.692376][ T5344] ======================================================= [ 87.692376][ T5344] WARNING: The mand mount option has been deprecated and [ 87.692376][ T5344] and is ignored by this kernel. Remove the mand [ 87.692376][ T5344] option from the mount to silence this warning. [ 87.692376][ T5344] ======================================================= [ 87.746359][ T5344] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 88.841406][ T5321] Bluetooth: hci0: command tx timeout [ 90.922416][ T5321] Bluetooth: hci0: command tx timeout [ 91.647666][ T54] cfg80211: failed to load regulatory.db [ 93.001453][ T5321] Bluetooth: hci0: command tx timeout