program: perf_event_open(&(0x7f0000000540)={0x0, 0x80, 0xd1, 0x9, 0x0, 0x0, 0x0, 0x0, 0x80404, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffff6f6, 0x0, @perf_bp={0x0, 0x2}, 0x12280, 0x0, 0x0, 0x4, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0x4, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) connect(r0, &(0x7f0000000000)=@rc={0x1f, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x8}, 0x80) r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$HCIINQUIRY(r1, 0x400448ca, 0x0) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000280)='./mnt\x00', 0x2000c10, &(0x7f0000000040)={[{@nobh}, {@abort}]}, 0xff, 0x23f, &(0x7f0000000540)="$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") perf_event_open(&(0x7f0000000380)={0x0, 0x80, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xc, 0x80}, 0x0, 0xca, 0x0, 0x0, 0x0, 0x8}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) close(r3) openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r4 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$HCIINQUIRY(r4, 0x400448ca, 0x0) r5 = openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) write$6lowpan_control(r5, &(0x7f0000000280)='connect aa:aa:aa:aa:aa:10 2', 0x1b) bpf$MAP_CREATE(0x0, &(0x7f0000000780)=ANY=[@ANYBLOB="0b00000005000000010001000900000001000000", @ANYRES32, @ANYBLOB="00000000000000000000000000000000000000002e01e82802f07e4d5a9e0a45f476d046335fe8e346ea6bb0c9376c21e166b25f76d36dfcd898e7e9cad0d1e3dc824189686820ff0e905f187fe5fdcbfc06bc3ca77b1b38c82574ee816422153c456323368c017b054abd51481ddbd501b422ea13cde2fde17f5984052243abb5b004a49a7b1a6c5f197de8fd4437256aa6", @ANYRES32=0x0, @ANYRES32, @ANYBLOB='\x00'/28], 0x50) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f0000001000)=ANY=[@ANYBLOB="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"/2640], &(0x7f0000000140)='GPL\x00'}, 0x48) bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=ANY=[@ANYBLOB="0900000004000000080000000d"], 0x48) perf_event_open(&(0x7f00000005c0)={0x2, 0x80, 0xb, 0x2, 0x0, 0x0, 0x0, 0x10000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x5}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000300)='ns/time\x00') openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='memory.events\x00', 0x26e1, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f00000038c0), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000140)={0x1e, 0x3, &(0x7f0000000000)=@framed, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24}, 0x94) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r7, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x0) recvmsg$unix(r6, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x10}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @cred={{0x1c}}], 0x88}, 0x2000) recvmsg$unix(r2, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0x18}, 0x0) r9 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000440), 0x0, 0x0) write$cgroup_subtree(r8, &(0x7f0000000200)=ANY=[@ANYRES8=r3, @ANYRES8=r9], 0x12) [ 78.099496][ T1315] ieee802154 phy0 wpan0: encryption failed: -22 [ 78.102301][ T1315] ieee802154 phy1 wpan1: encryption failed: -22 [ 78.106033][ T5303] Bluetooth: hci0: command tx timeout [ 78.241179][ T5324] [ 78.242279][ T5324] ====================================================== [ 78.245250][ T5324] WARNING: possible circular locking dependency detected [ 78.248316][ T5324] syzkaller #0 Not tainted [ 78.250177][ T5324] ------------------------------------------------------ [ 78.253177][ T5324] syz.0.0/5324 is trying to acquire lock: [ 78.255552][ T5324] ffff88803f332040 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}, at: __flush_work+0xd2/0xbc0 [ 78.260423][ T5324] [ 78.260423][ T5324] but task is already holding lock: [ 78.263564][ T5324] ffff88803f332338 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x70/0x680 [ 78.267385][ T5324] [ 78.267385][ T5324] which lock already depends on the new lock. [ 78.267385][ T5324] [ 78.271729][ T5324] [ 78.271729][ T5324] the existing dependency chain (in reverse order) is: [ 78.275531][ T5324] [ 78.275531][ T5324] -> #1 (&conn->lock#2){+.+.}-{4:4}: [ 78.278620][ T5324] lock_acquire+0x120/0x360 [ 78.280472][ T5324] __mutex_lock+0x187/0x1350 [ 78.282262][ T5324] l2cap_info_timeout+0x60/0xa0 [ 78.284378][ T5324] process_scheduled_works+0xae1/0x17b0 [ 78.286796][ T5324] worker_thread+0x8a0/0xda0 [ 78.288780][ T5324] kthread+0x711/0x8a0 [ 78.290632][ T5324] ret_from_fork+0x4bc/0x870 [ 78.292749][ T5324] ret_from_fork_asm+0x1a/0x30 [ 78.294858][ T5324] [ 78.294858][ T5324] -> #0 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}: [ 78.298948][ T5324] validate_chain+0xb9b/0x2140 [ 78.301018][ T5324] __lock_acquire+0xab9/0xd20 [ 78.303183][ T5324] lock_acquire+0x120/0x360 [ 78.305199][ T5324] __flush_work+0x6b8/0xbc0 [ 78.307359][ T5324] __cancel_work_sync+0xbe/0x110 [ 78.309430][ T5324] l2cap_conn_del+0x4f0/0x680 [ 78.311610][ T5324] hci_conn_hash_flush+0x10d/0x230 [ 78.313704][ T5324] hci_dev_close_sync+0xaef/0x1330 [ 78.315840][ T5324] hci_dev_close+0x108/0x200 [ 78.317944][ T5324] sock_do_ioctl+0xdc/0x300 [ 78.320080][ T5324] sock_ioctl+0x576/0x790 [ 78.322179][ T5324] __se_sys_ioctl+0xfc/0x170 [ 78.324498][ T5324] do_syscall_64+0xfa/0xfa0 [ 78.326587][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.329287][ T5324] [ 78.329287][ T5324] other info that might help us debug this: [ 78.329287][ T5324] [ 78.333549][ T5324] Possible unsafe locking scenario: [ 78.333549][ T5324] [ 78.336970][ T5324] CPU0 CPU1 [ 78.339860][ T5324] ---- ---- [ 78.342777][ T5324] lock(&conn->lock#2); [ 78.344701][ T5324] lock((work_completion)(&(&conn->info_timer)->work)); [ 78.348680][ T5324] lock(&conn->lock#2); [ 78.351282][ T5324] lock((work_completion)(&(&conn->info_timer)->work)); [ 78.354319][ T5324] [ 78.354319][ T5324] *** DEADLOCK *** [ 78.354319][ T5324] [ 78.357794][ T5324] 5 locks held by syz.0.0/5324: [ 78.359925][ T5324] #0: ffff888011724dc8 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_close+0x100/0x200 [ 78.364111][ T5324] #1: ffff8880117240b8 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x66a/0x1330 [ 78.368158][ T5324] #2: ffffffff8f4382a8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x230 [ 78.372515][ T5324] #3: ffff88803f332338 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x70/0x680 [ 78.376169][ T5324] #4: ffffffff8df3d6e0 (rcu_read_lock){....}-{1:3}, at: __flush_work+0xd2/0xbc0 [ 78.379856][ T5324] [ 78.379856][ T5324] stack backtrace: [ 78.382195][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 78.382211][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 78.382218][ T5324] Call Trace: [ 78.382225][ T5324] [ 78.382229][ T5324] dump_stack_lvl+0x189/0x250 [ 78.382247][ T5324] ? __pfx_dump_stack_lvl+0x10/0x10 [ 78.382259][ T5324] ? __pfx__printk+0x10/0x10 [ 78.382269][ T5324] ? print_lock_name+0xde/0x100 [ 78.382279][ T5324] print_circular_bug+0x2ee/0x310 [ 78.382300][ T5324] check_noncircular+0x134/0x160 [ 78.382309][ T5324] validate_chain+0xb9b/0x2140 [ 78.382321][ T5324] ? do_raw_spin_lock+0x121/0x290 [ 78.382331][ T5324] ? look_up_lock_class+0x74/0x170 [ 78.382342][ T5324] ? register_lock_class+0x51/0x320 [ 78.382349][ T5324] __lock_acquire+0xab9/0xd20 [ 78.382356][ T5324] ? __flush_work+0xd2/0xbc0 [ 78.382364][ T5324] lock_acquire+0x120/0x360 [ 78.382370][ T5324] ? __flush_work+0xd2/0xbc0 [ 78.382378][ T5324] ? _raw_spin_unlock_irq+0x23/0x50 [ 78.382386][ T5324] ? __flush_work+0xd2/0xbc0 [ 78.382392][ T5324] __flush_work+0x6b8/0xbc0 [ 78.382399][ T5324] ? __flush_work+0xd2/0xbc0 [ 78.382407][ T5324] ? __flush_work+0xd2/0xbc0 [ 78.382413][ T5324] ? __pfx___flush_work+0x10/0x10 [ 78.382421][ T5324] ? __pfx_wq_barrier_func+0x10/0x10 [ 78.382430][ T5324] ? __pfx___cancel_work+0x10/0x10 [ 78.382438][ T5324] ? hci_conn_drop+0x14d/0x280 [ 78.382446][ T5324] __cancel_work_sync+0xbe/0x110 [ 78.382454][ T5324] l2cap_conn_del+0x4f0/0x680 [ 78.382464][ T5324] ? __pfx_l2cap_disconn_cfm+0x10/0x10 [ 78.382473][ T5324] hci_conn_hash_flush+0x10d/0x230 [ 78.382483][ T5324] hci_dev_close_sync+0xaef/0x1330 [ 78.382497][ T5324] ? __pfx_hci_dev_close_sync+0x10/0x10 [ 78.382509][ T5324] ? do_raw_read_unlock+0x3d/0x80 [ 78.382521][ T5324] hci_dev_close+0x108/0x200 [ 78.382531][ T5324] sock_do_ioctl+0xdc/0x300 [ 78.382540][ T5324] ? __pfx_sock_do_ioctl+0x10/0x10 [ 78.382550][ T5324] sock_ioctl+0x576/0x790 [ 78.382558][ T5324] ? __pfx_sock_ioctl+0x10/0x10 [ 78.382565][ T5324] ? __fget_files+0x3a0/0x420 [ 78.382575][ T5324] ? __fget_files+0x2a/0x420 [ 78.382584][ T5324] ? bpf_lsm_file_ioctl+0x9/0x20 [ 78.382618][ T5324] ? __pfx_sock_ioctl+0x10/0x10 [ 78.382629][ T5324] __se_sys_ioctl+0xfc/0x170 [ 78.382639][ T5324] do_syscall_64+0xfa/0xfa0 [ 78.382653][ T5324] ? lockdep_hardirqs_on+0x9c/0x150 [ 78.382666][ T5324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.382675][ T5324] ? clear_bhb_loop+0x60/0xb0 [ 78.382685][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.382694][ T5324] RIP: 0033:0x7f870e18f749 [ 78.382704][ T5324] 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 [ 78.382713][ T5324] RSP: 002b:00007f870ef53038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.382724][ T5324] RAX: ffffffffffffffda RBX: 00007f870e3e6090 RCX: 00007f870e18f749 [ 78.382732][ T5324] RDX: 0000000000000000 RSI: 00000000400448ca RDI: 0000000000000005 [ 78.382738][ T5324] RBP: 00007f870e213f91 R08: 0000000000000000 R09: 0000000000000000 [ 78.382744][ T5324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.382750][ T5324] R13: 00007f870e3e6128 R14: 00007f870e3e6090 R15: 00007ffeb6799758 [ 78.382761][ T5324] [ 78.542443][ T5323] loop0: detected capacity change from 0 to 128 [ 78.565703][ T5323] EXT4-fs: Ignoring removed nobh option [ 78.577711][ T5323] EXT4-fs (loop0): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 r/w without journal. Quota mode: none. [ 78.590979][ T5323] ext4 filesystem being mounted at /0/mnt supports timestamps until 2038-01-19 (0x7fffffff) [ 80.158202][ T4673] Bluetooth: hci0: command tx timeout [ 82.238981][ T4673] Bluetooth: hci0: command tx timeout [ 84.318787][ T4673] Bluetooth: hci0: command tx timeout