program: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$HCIINQUIRY(r0, 0x400448ca, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000300), 0x100, 0x0) ioctl$SNAPSHOT_CREATE_IMAGE(r1, 0x40043311, 0x0) r2 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000080), 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r2, 0xc0a85320, &(0x7f0000000340)={{0x80}, 'port0\x00', 0x1b6, 0x0, 0x0, 0x6, 0x0, 0x0, 0x3, 0x0, 0x2, 0x2}) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r2, 0xc0a85320, &(0x7f0000000180)={{0x80, 0x80}, 'port0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}) r3 = openat$sndseq(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r3, 0xc0a85352, &(0x7f0000000200)={{0x80}, 'port1\x00', 0x0, 0x141821}) socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) syz_usb_ep_write$ath9k_ep1(r4, 0x82, 0x122c, &(0x7f0000000400)={[{0x1000, 0x4e00, "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"}, {0xa6, 0x4e00, "05cb6ccdb45e059f9d1ee7db9526e74618bd73c5a1a7923cfec86d361eb09dd8fcae47755e7a933bc5015d69e4f682cfca5c6030c70c1d83631bd2378838afb0ec6afa821e37e043b1cdad077c0bb0d40cba115b01a14d15218f1e568416a9fec6529e53e2d6b543fb3a317c7a6d9ec55bb2b0ff56ac2929dc967372d8b473ff3168647318f59b4e2fa9622a43c94432623c83e25e4ef69821851f05cfbffc902fddebd5f613"}, {0x26, 0x4e00, "1373a42956f30ab51e6bf5a1a713d9a026c4e62c5de072c630e81d72f01e0dbd8cee91286627"}, {0xb9, 0x4e00, "3ef8063640075c05bfa6f9c23208c2dde857d05485b3bba5ee58cc7660d7db40e7d84cd14b17ceb4f9fc99cecfd5d0d7ed5f3096f58d637381ab030e4869f3a134a53c2ff8320a13bb52bbbf7fc00b3fb120fc08eee04b2c8deda2d9cd98d0dace9ad6175823ba5bfb78695e57d9b9afa8985563a8de7837349a7249329ca6b7668c8d8a21f3c5905f70c97fef2fb612dedd5fb802b97f3d233e9f8fe628e9ba42175c70bbeb3e54f884ea39689a3fc7e510848f076c565f92"}, {0x8a, 0x4e00, "bb235811a7fda66ed7c52e0d9d9f8014be06a620777733d40b0f2da6ed45af14d2b912ff887ac6f7557acec5e484e1e03269a7c09083948905a24bd1994ec2ed73c625408280c79e0a5019029ecf5813ca3ec823b21140cfd4fa77adf8994c05eaa361e544263a3c74ff6747f3c6431616d02083ee417c61d8f2898d62a7f3109e64c0dc4cdcaa491a5c"}]}) [ 86.954095][ T4684] Bluetooth: hci0: command tx timeout [ 87.038917][ T9] cfg80211: failed to load regulatory.db [ 87.067401][ T5334] [ 87.068501][ T5334] ====================================================== [ 87.071469][ T5334] WARNING: possible circular locking dependency detected [ 87.074651][ T5334] 6.16.0-rc6-syzkaller #0 Not tainted [ 87.077008][ T5334] ------------------------------------------------------ [ 87.098732][ T5334] kworker/0:4/5334 is trying to acquire lock: [ 87.108420][ T5334] ffff888051db4b38 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_info_timeout+0x60/0xa0 [ 87.119532][ T5334] [ 87.119532][ T5334] but task is already holding lock: [ 87.130829][ T5334] ffffc9000d427bc0 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 [ 87.146687][ T5334] [ 87.146687][ T5334] which lock already depends on the new lock. [ 87.146687][ T5334] [ 87.153418][ T5334] [ 87.153418][ T5334] the existing dependency chain (in reverse order) is: [ 87.162798][ T5334] [ 87.162798][ T5334] -> #1 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}: [ 87.173234][ T5334] lock_acquire+0x120/0x360 [ 87.180619][ T5334] __flush_work+0x6b8/0xbc0 [ 87.182872][ T5334] __cancel_work_sync+0xbe/0x110 [ 87.185291][ T5334] l2cap_conn_del+0x4f0/0x680 [ 87.187532][ T5334] hci_conn_hash_flush+0x10a/0x230 [ 87.205542][ T5334] hci_dev_close_sync+0xaef/0x1330 [ 87.207899][ T5334] hci_dev_close+0x108/0x200 [ 87.210017][ T5334] sock_do_ioctl+0xd9/0x300 [ 87.213172][ T5334] sock_ioctl+0x576/0x790 [ 87.232354][ T5334] __se_sys_ioctl+0xfc/0x170 [ 87.234831][ T5334] do_syscall_64+0xfa/0x3b0 [ 87.238264][ T5334] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.241441][ T5334] [ 87.241441][ T5334] -> #0 (&conn->lock#2){+.+.}-{4:4}: [ 87.245007][ T5334] validate_chain+0xb9b/0x2140 [ 87.260772][ T5334] __lock_acquire+0xab9/0xd20 [ 87.263296][ T5334] lock_acquire+0x120/0x360 [ 87.265597][ T5334] __mutex_lock+0x182/0xe80 [ 87.267851][ T5334] l2cap_info_timeout+0x60/0xa0 [ 87.270038][ T5334] process_scheduled_works+0xae1/0x17b0 [ 87.272676][ T5334] worker_thread+0x8a0/0xda0 [ 87.289351][ T5334] kthread+0x70e/0x8a0 [ 87.291257][ T5334] ret_from_fork+0x3fc/0x770 [ 87.294000][ T5334] ret_from_fork_asm+0x1a/0x30 [ 87.298582][ T5334] [ 87.298582][ T5334] other info that might help us debug this: [ 87.298582][ T5334] [ 87.318135][ T5334] Possible unsafe locking scenario: [ 87.318135][ T5334] [ 87.332904][ T5334] CPU0 CPU1 [ 87.335489][ T5334] ---- ---- [ 87.339666][ T5334] lock((work_completion)(&(&conn->info_timer)->work)); [ 87.343004][ T5334] lock(&conn->lock#2); [ 87.357671][ T5334] lock((work_completion)(&(&conn->info_timer)->work)); [ 87.362022][ T5334] lock(&conn->lock#2); [ 87.364014][ T5334] [ 87.364014][ T5334] *** DEADLOCK *** [ 87.364014][ T5334] [ 87.378293][ T5334] 2 locks held by kworker/0:4/5334: [ 87.380568][ T5334] #0: ffff88801a474d48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 [ 87.386390][ T5334] #1: ffffc9000d427bc0 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 [ 87.404996][ T5334] [ 87.404996][ T5334] stack backtrace: [ 87.407657][ T5334] CPU: 0 UID: 0 PID: 5334 Comm: kworker/0:4 Not tainted 6.16.0-rc6-syzkaller #0 PREEMPT(full) [ 87.407674][ T5334] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 87.407683][ T5334] Workqueue: events l2cap_info_timeout [ 87.407704][ T5334] Call Trace: [ 87.407712][ T5334] [ 87.407718][ T5334] dump_stack_lvl+0x189/0x250 [ 87.407734][ T5334] ? __pfx_dump_stack_lvl+0x10/0x10 [ 87.407747][ T5334] ? __pfx__printk+0x10/0x10 [ 87.407762][ T5334] ? print_lock_name+0xde/0x100 [ 87.407777][ T5334] print_circular_bug+0x2ee/0x310 [ 87.407792][ T5334] check_noncircular+0x134/0x160 [ 87.407807][ T5334] validate_chain+0xb9b/0x2140 [ 87.407823][ T5334] ? ret_from_fork_asm+0x1a/0x30 [ 87.407839][ T5334] __lock_acquire+0xab9/0xd20 [ 87.407851][ T5334] ? l2cap_info_timeout+0x60/0xa0 [ 87.407862][ T5334] lock_acquire+0x120/0x360 [ 87.407872][ T5334] ? l2cap_info_timeout+0x60/0xa0 [ 87.407887][ T5334] __mutex_lock+0x182/0xe80 [ 87.407897][ T5334] ? l2cap_info_timeout+0x60/0xa0 [ 87.407916][ T5334] ? irqentry_exit+0x74/0x90 [ 87.407926][ T5334] ? lockdep_hardirqs_on+0x9c/0x150 [ 87.407943][ T5334] ? l2cap_info_timeout+0x60/0xa0 [ 87.407954][ T5334] ? __pfx___mutex_lock+0x10/0x10 [ 87.407967][ T5334] l2cap_info_timeout+0x60/0xa0 [ 87.407979][ T5334] ? process_scheduled_works+0x9ef/0x17b0 [ 87.407994][ T5334] process_scheduled_works+0xae1/0x17b0 [ 87.408009][ T5334] ? __pfx_process_scheduled_works+0x10/0x10 [ 87.408022][ T5334] worker_thread+0x8a0/0xda0 [ 87.408033][ T5334] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 87.408050][ T5334] ? __kthread_parkme+0x7b/0x200 [ 87.408063][ T5334] kthread+0x70e/0x8a0 [ 87.408077][ T5334] ? __pfx_worker_thread+0x10/0x10 [ 87.408088][ T5334] ? __pfx_kthread+0x10/0x10 [ 87.408100][ T5334] ? _raw_spin_unlock_irq+0x23/0x50 [ 87.408112][ T5334] ? lockdep_hardirqs_on+0x9c/0x150 [ 87.408126][ T5334] ? __pfx_kthread+0x10/0x10 [ 87.408138][ T5334] ret_from_fork+0x3fc/0x770 [ 87.408149][ T5334] ? __pfx_ret_from_fork+0x10/0x10 [ 87.408160][ T5334] ? __pfx_kthread+0x10/0x10 [ 87.408173][ T5334] ret_from_fork_asm+0x1a/0x30 [ 87.408190][ T5334] [ 88.006821][ T5342] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 88.160977][ T5342] usb 5-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 88.165263][ T5342] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 88.169607][ T5342] usb 5-1: Product: syz [ 88.172582][ T5342] usb 5-1: Manufacturer: syz [ 88.174575][ T5342] usb 5-1: SerialNumber: syz [ 88.186218][ T5342] usb 5-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 88.208737][ T10] usb 5-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 88.977061][ T4684] Bluetooth: hci0: command tx timeout [ 89.297786][ T10] ath9k_htc 5-1:1.0: ath9k_htc: Target is unresponsive [ 89.304345][ T10] ath9k_htc: Failed to initialize the device [ 89.371501][ T10] usb 5-1: ath9k_htc: USB layer deinitialized [ 91.056804][ T4684] Bluetooth: hci0: command tx timeout [ 93.136885][ T4684] Bluetooth: hci0: command tx timeout