program: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000400)=ANY=[@ANYBLOB="28000000fc00"/20, @ANYRES32=r0, @ANYRESHEX=0x0], 0x28}}, 0x0) socket$nl_generic(0x10, 0x3, 0x10) request_key(&(0x7f0000000000)='rxrpc_s\x00', &(0x7f0000001ffb)={'syz', 0x3, 0x3}, &(0x7f0000001fee)='y\xa9rustV\x1eS=\xd4\x16\x95::\x01\x00\x00', 0x0) syz_genetlink_get_family_id$wireguard(&(0x7f00000001c0), 0xffffffffffffffff) r2 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) bind$bt_sco(r2, &(0x7f0000000480), 0x8) listen(r2, 0x0) syz_emit_vhci(&(0x7f0000000440)=ANY=[@ANYBLOB="0404"], 0xd) syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_sync_conn_complete={{0x2c, 0x11}}}, 0x14) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) close(0x3) sendmsg$WG_CMD_SET_DEVICE(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000280)={0xfffffffffffffdb0, 0x0, 0x1, 0x70bd31, 0x25dfdbfe, {}, [@WGDEVICE_A_IFNAME={0x14, 0x2, 'wg2\x00'}, @WGDEVICE_A_PRIVATE_KEY={0x24, 0x3, @c}]}, 0x4c}, 0x1, 0x0, 0x0, 0x2004c000}, 0x0) r3 = socket$alg(0x26, 0x5, 0x0) r4 = socket$inet6(0xa, 0x2, 0x3a) setsockopt$inet6_int(r4, 0x29, 0x10, &(0x7f0000000000), 0x4) sendto$inet6(r4, &(0x7f0000000180)="800037bbfa9ba1ce", 0x8, 0x488c0, &(0x7f00000003c0)={0xa, 0x1, 0x0, @dev={0xfe, 0x80, '\x00', 0x2d}, 0x9}, 0x1c) r5 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$RFKILL_IOCTL_NOINPUT(r5, 0x5202) bind$alg(r3, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'aegis128-generic\x00'}, 0x58) setresgid(0xee01, 0xffffffffffffffff, 0xffffffffffffffff) syz_open_dev$loop(&(0x7f00000000c0), 0x5, 0x101080) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000140)="2c385aa3d49100dc6626c892b6bc436a", 0x10) r6 = accept4(r3, 0x0, 0x0, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000240)) sendmsg$alg(r6, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=[@assoc={0x18, 0x117, 0x4, 0x200}], 0x18}, 0x0) sendmsg$nl_route_sched_retired(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000012100), 0xe078}}, 0x0) recvmmsg(r6, &(0x7f0000000b00)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000c40)=""/232, 0xe8}], 0x1}}], 0x2, 0x0, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000340)={'wlan1\x00', &(0x7f00000003c0)=@ethtool_ringparam={0x10, 0x0, 0x10}}) [ 75.847672][ T48] Bluetooth: hci0: command tx timeout [ 75.953489][ T48] BUG: sleeping function called from invalid context at net/core/sock.c:3624 [ 75.956978][ T48] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 48, name: kworker/u5:0 [ 75.960584][ T48] preempt_count: 1, expected: 0 [ 75.962206][ T48] RCU nest depth: 0, expected: 0 [ 75.963978][ T48] 6 locks held by kworker/u5:0/48: [ 75.965758][ T48] #0: ffff8880438f0148 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 75.969941][ T48] #1: ffffc90000637d00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 75.974108][ T48] #2: ffff88804427c078 (&hdev->lock){+.+.}-{4:4}, at: hci_sync_conn_complete_evt+0xb1/0xaa0 [ 75.978008][ T48] #3: ffffffff8fe0fda8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_sync_conn_complete_evt+0x532/0xaa0 [ 75.982377][ T48] #4: ffff8880424e6c20 (&conn->lock#2){+.+.}-{3:3}, at: sco_connect_cfm+0x28a/0xb40 [ 75.986041][ T48] #5: ffff888052dd4258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x461/0xb40 [ 75.990611][ T48] Preemption disabled at: [ 75.990629][ T48] [<0000000000000000>] 0x0 [ 75.994095][ T48] CPU: 0 UID: 0 PID: 48 Comm: kworker/u5:0 Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0 [ 75.997994][ T48] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.002019][ T48] Workqueue: hci0 hci_rx_work [ 76.003858][ T48] Call Trace: [ 76.005175][ T48] [ 76.006352][ T48] dump_stack_lvl+0x241/0x360 [ 76.008203][ T48] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.010053][ T48] ? __pfx__printk+0x10/0x10 [ 76.011578][ T48] __might_resched+0x5d4/0x780 [ 76.013186][ T48] ? __pfx_lock_acquire+0x10/0x10 [ 76.014868][ T48] ? __pfx___might_resched+0x10/0x10 [ 76.016556][ T48] ? __pfx_lock_release+0x10/0x10 [ 76.018214][ T48] ? do_raw_spin_lock+0x14f/0x370 [ 76.020433][ T48] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 76.022394][ T48] lock_sock_nested+0x5d/0x100 [ 76.024222][ T48] sco_connect_cfm+0x461/0xb40 [ 76.026099][ T48] ? __pfx_sco_connect_cfm+0x10/0x10 [ 76.028171][ T48] ? hci_conn_add_sysfs+0xfc/0x200 [ 76.030128][ T48] ? __pfx_sco_connect_cfm+0x10/0x10 [ 76.032173][ T48] hci_sync_conn_complete_evt+0x5ab/0xaa0 [ 76.034284][ T48] hci_event_packet+0xac2/0x1540 [ 76.036202][ T48] ? __pfx_hci_sync_conn_complete_evt+0x10/0x10 [ 76.039010][ T48] ? __pfx_hci_event_packet+0x10/0x10 [ 76.041367][ T48] ? do_raw_spin_unlock+0x58/0x8b0 [ 76.043245][ T48] ? hci_send_to_monitor+0xd8/0x7f0 [ 76.045312][ T48] ? kcov_remote_start+0x97/0x7d0 [ 76.047149][ T48] hci_rx_work+0x3f3/0xdb0 [ 76.049076][ T48] ? process_scheduled_works+0x976/0x1840 [ 76.051137][ T48] process_scheduled_works+0xa66/0x1840 [ 76.053186][ T48] ? __pfx_process_scheduled_works+0x10/0x10 [ 76.055436][ T48] ? assign_work+0x364/0x3d0 [ 76.057146][ T48] worker_thread+0x870/0xd30 [ 76.058964][ T48] ? __kthread_parkme+0x169/0x1d0 [ 76.060874][ T48] ? __pfx_worker_thread+0x10/0x10 [ 76.062835][ T48] kthread+0x2f0/0x390 [ 76.064416][ T48] ? __pfx_worker_thread+0x10/0x10 [ 76.066275][ T48] ? __pfx_kthread+0x10/0x10 [ 76.068117][ T48] ret_from_fork+0x4b/0x80 [ 76.069864][ T48] ? __pfx_kthread+0x10/0x10 [ 76.071701][ T48] ret_from_fork_asm+0x1a/0x30 [ 76.073477][ T48] [ 76.098914][ T5315] trusted_key: syz.0.0 sent an empty control message without MSG_MORE. [ 76.104395][ T5313] [ 76.105383][ T5313] ====================================================== [ 76.108105][ T5313] WARNING: possible circular locking dependency detected [ 76.110912][ T5313] 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0 Tainted: G W [ 76.114043][ T5313] ------------------------------------------------------ [ 76.116644][ T5313] syz.0.0/5313 is trying to acquire lock: [ 76.118707][ T5313] ffff8880424e6c20 (&conn->lock#2){+.+.}-{3:3}, at: sco_chan_del+0x74/0x180 [ 76.121909][ T5313] [ 76.121909][ T5313] but task is already holding lock: [ 76.124647][ T5313] ffff888052dd5258 (sk_lock-AF_BLUETOOTH){+.+.}-{0:0}, at: __sco_sock_close+0xe8/0x310 [ 76.128125][ T5313] [ 76.128125][ T5313] which lock already depends on the new lock. [ 76.128125][ T5313] [ 76.131909][ T5313] [ 76.131909][ T5313] the existing dependency chain (in reverse order) is: [ 76.135172][ T5313] [ 76.135172][ T5313] -> #2 (sk_lock-AF_BLUETOOTH){+.+.}-{0:0}: [ 76.138138][ T5313] lock_acquire+0x1ed/0x550 [ 76.140081][ T5313] lock_sock_nested+0x48/0x100 [ 76.142020][ T5313] bt_accept_dequeue+0xfa/0x570 [ 76.144001][ T5313] __sco_sock_close+0xd2/0x310 [ 76.145981][ T5313] sco_sock_release+0xb3/0x320 [ 76.147922][ T5313] sock_close+0xbc/0x240 [ 76.149725][ T5313] __fput+0x23c/0xa50 [ 76.151518][ T5313] task_work_run+0x24f/0x310 [ 76.153523][ T5313] syscall_exit_to_user_mode+0x13f/0x340 [ 76.155956][ T5313] do_syscall_64+0x100/0x230 [ 76.158077][ T5313] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.160794][ T5313] [ 76.160794][ T5313] -> #1 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}: [ 76.164140][ T5313] lock_acquire+0x1ed/0x550 [ 76.166098][ T5313] lock_sock_nested+0x48/0x100 [ 76.168070][ T5313] sco_connect_cfm+0x461/0xb40 [ 76.170021][ T5313] hci_sync_conn_complete_evt+0x5ab/0xaa0 [ 76.172379][ T5313] hci_event_packet+0xac2/0x1540 [ 76.174370][ T5313] hci_rx_work+0x3f3/0xdb0 [ 76.176212][ T5313] process_scheduled_works+0xa66/0x1840 [ 76.178537][ T5313] worker_thread+0x870/0xd30 [ 76.180421][ T5313] kthread+0x2f0/0x390 [ 76.182009][ T5313] ret_from_fork+0x4b/0x80 [ 76.183712][ T5313] ret_from_fork_asm+0x1a/0x30 [ 76.185643][ T5313] [ 76.185643][ T5313] -> #0 (&conn->lock#2){+.+.}-{3:3}: [ 76.188500][ T5313] validate_chain+0x18ef/0x5920 [ 76.190549][ T5313] __lock_acquire+0x1397/0x2100 [ 76.192491][ T5313] lock_acquire+0x1ed/0x550 [ 76.194348][ T5313] _raw_spin_lock+0x2e/0x40 [ 76.196181][ T5313] sco_chan_del+0x74/0x180 [ 76.198059][ T5313] __sco_sock_close+0x152/0x310 [ 76.200026][ T5313] sco_sock_release+0xb3/0x320 [ 76.201975][ T5313] sock_close+0xbc/0x240 [ 76.203813][ T5313] __fput+0x23c/0xa50 [ 76.205532][ T5313] task_work_run+0x24f/0x310 [ 76.207453][ T5313] syscall_exit_to_user_mode+0x13f/0x340 [ 76.209814][ T5313] do_syscall_64+0x100/0x230 [ 76.211706][ T5313] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.214019][ T5313] [ 76.214019][ T5313] other info that might help us debug this: [ 76.214019][ T5313] [ 76.217713][ T5313] Chain exists of: [ 76.217713][ T5313] &conn->lock#2 --> sk_lock-AF_BLUETOOTH-BTPROTO_SCO --> sk_lock-AF_BLUETOOTH [ 76.217713][ T5313] [ 76.222951][ T5313] Possible unsafe locking scenario: [ 76.222951][ T5313] [ 76.225616][ T5313] CPU0 CPU1 [ 76.227661][ T5313] ---- ---- [ 76.229616][ T5313] lock(sk_lock-AF_BLUETOOTH); [ 76.231382][ T5313] lock(sk_lock-AF_BLUETOOTH-BTPROTO_SCO); [ 76.234455][ T5313] lock(sk_lock-AF_BLUETOOTH); [ 76.237114][ T5313] lock(&conn->lock#2); [ 76.238650][ T5313] [ 76.238650][ T5313] *** DEADLOCK *** [ 76.238650][ T5313] [ 76.241851][ T5313] 3 locks held by syz.0.0/5313: [ 76.243645][ T5313] #0: ffff888043dab208 (&sb->s_type->i_mutex_key#10){+.+.}-{4:4}, at: sock_close+0x90/0x240 [ 76.247383][ T5313] #1: ffff888052dd4258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_sock_release+0x5a/0x320 [ 76.251485][ T5313] #2: ffff888052dd5258 (sk_lock-AF_BLUETOOTH){+.+.}-{0:0}, at: __sco_sock_close+0xe8/0x310 [ 76.254991][ T5313] [ 76.254991][ T5313] stack backtrace: [ 76.257133][ T5313] CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Tainted: G W 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0 [ 76.261343][ T5313] Tainted: [W]=WARN [ 76.262760][ T5313] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.266766][ T5313] Call Trace: [ 76.268100][ T5313] [ 76.269225][ T5313] dump_stack_lvl+0x241/0x360 [ 76.270880][ T5313] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.272723][ T5313] ? __pfx__printk+0x10/0x10 [ 76.274344][ T5313] print_circular_bug+0x13a/0x1b0 [ 76.276113][ T5313] check_noncircular+0x36a/0x4a0 [ 76.277862][ T5313] ? __pfx_check_noncircular+0x10/0x10 [ 76.279805][ T5313] ? lockdep_lock+0x123/0x2b0 [ 76.281479][ T5313] validate_chain+0x18ef/0x5920 [ 76.283136][ T5313] ? debug_object_assert_init+0x2dd/0x4b0 [ 76.285333][ T5313] ? do_raw_spin_unlock+0x58/0x8b0 [ 76.287274][ T5313] ? __pfx_validate_chain+0x10/0x10 [ 76.289260][ T5313] ? __pfx_stack_trace_save+0x10/0x10 [ 76.291240][ T5313] ? debug_object_assert_init+0x2dd/0x4b0 [ 76.293253][ T5313] ? __pfx_debug_object_assert_init+0x10/0x10 [ 76.295436][ T5313] ? mark_lock+0x9a/0x360 [ 76.296961][ T5313] __lock_acquire+0x1397/0x2100 [ 76.298716][ T5313] lock_acquire+0x1ed/0x550 [ 76.300484][ T5313] ? sco_chan_del+0x74/0x180 [ 76.302283][ T5313] ? __pfx_lock_acquire+0x10/0x10 [ 76.304202][ T5313] ? lockdep_hardirqs_on+0x99/0x150 [ 76.306208][ T5313] ? __cancel_work+0x2ee/0x390 [ 76.308041][ T5313] ? __pfx___cancel_work+0x10/0x10 [ 76.309965][ T5313] ? __sco_sock_close+0xe8/0x310 [ 76.311825][ T5313] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 76.313917][ T5313] ? __sco_sock_close+0xe8/0x310 [ 76.315766][ T5313] _raw_spin_lock+0x2e/0x40 [ 76.317425][ T5313] ? sco_chan_del+0x74/0x180 [ 76.319205][ T5313] sco_chan_del+0x74/0x180 [ 76.320875][ T5313] __sco_sock_close+0x152/0x310 [ 76.322731][ T5313] sco_sock_release+0xb3/0x320 [ 76.324485][ T5313] sock_close+0xbc/0x240 [ 76.326204][ T5313] ? __pfx_sock_close+0x10/0x10 [ 76.328029][ T5313] __fput+0x23c/0xa50 [ 76.329673][ T5313] task_work_run+0x24f/0x310 [ 76.331441][ T5313] ? _raw_spin_unlock+0x28/0x50 [ 76.333287][ T5313] ? __pfx_task_work_run+0x10/0x10 [ 76.335194][ T5313] ? syscall_exit_to_user_mode+0xa3/0x340 [ 76.337410][ T5313] syscall_exit_to_user_mode+0x13f/0x340 [ 76.339626][ T5313] do_syscall_64+0x100/0x230 [ 76.341417][ T5313] ? clear_bhb_loop+0x35/0x90 [ 76.343268][ T5313] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.345549][ T5313] RIP: 0033:0x7f0fbfb7ff19 [ 76.347231][ T5313] 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 [ 76.354501][ T5313] RSP: 002b:00007ffc3aa57c68 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 76.357526][ T5313] RAX: 0000000000000000 RBX: 0000000000012814 RCX: 00007f0fbfb7ff19 [ 76.360523][ T5313] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 76.363509][ T5313] RBP: 00007f0fbfd47ba0 R08: 0000000000000001 R09: 00007ffc3aa57f4f [ 76.366575][ T5313] R10: 00007f0fbf9ff02c R11: 0000000000000246 R12: 00000000000128e4 [ 76.369528][ T5313] R13: 00007f0fbfd45fa0 R14: 0000000000000032 R15: ffffffffffffffff [ 76.372550][ T5313] [ 76.391354][ T1308] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.393863][ T1308] ieee802154 phy1 wpan1: encryption failed: -22