program: gettid() bpf$PROG_LOAD(0x5, &(0x7f00000016c0)={0x3, 0x4, &(0x7f0000000000)=ANY=[@ANYBLOB="1800000000009f5a9d0a00000000000061106400000000009500000000000000"], &(0x7f0000000100)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls=0x37, 0xffffffffffffffff, 0xf00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) timer_create(0x0, &(0x7f0000000080)={0x0, 0x39, 0x800000000004, @thr={&(0x7f00000015c0)="bb6d4a2765df7b0d8beac1acc7fe5b80704274d2f0044e9811d4496cbb1c6fbb1e51dfebd4312fb59f0bce9ff4a942be0edf9b3ff22b41cc554b7ea2a0c0c62e3a94eb9cd8d56797fd755b65cdd8f7b2d90c78c599be9908b96c8f943e340d9317a4a8bdf9c02c4d0390e434cdfd573613766afd2a33253b8c6955957825ccf9a60a360ca7d2d94cdb0abfa424e1412789110b2623f66b2068787827538fa1e1a06f1ec0fd4365c81f1e1a1fe23c811006fb92357cf5f77cb26bf7af422d4a557df13b3ed7395aeab26351179aca4b", &(0x7f00000003c0)="22398de56b740fd8244071be52f60fe0cf39d0926445464d95d0f9b729a6b5436c9635ecd88ca26300ac43800e6e55ed17016bd49e228cc0fb204643342713f64ee56aa9058c1a8a0644c12b3adbca9084505f2ec354091a0c92cbe65b7040c0cd9d1fc7bb078a418a956525bc5f86d1bbfa0c40cd75ffe182a8ad7bdb02cddbfd8fbc02893b3b783c4303a1f74a5b79fb80028433e755c416951e6de683d2a701d17a996a"}}, &(0x7f0000bbdffc)) openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder1\x00', 0x0, 0x0) r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000240)={0x3, &(0x7f0000000400)=[{0x20, 0x0, 0x0, 0xfffff010}, {0x40, 0x0, 0x6}, {0x6}]}, 0x10) prctl$PR_SET_SYSCALL_USER_DISPATCH_OFF(0x3b, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaaaa86dd608a37f211142c00fe800006000000000000050000000000000000000000000000000000000000aa2afdfffc", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="5000000090780000"], 0x0) syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = eventfd2(0x6, 0x80800) ioctl$FS_IOC_ENABLE_VERITY(r3, 0x40806685, &(0x7f0000001540)={0x1, 0x3, 0x1000, 0x7c, &(0x7f00000001c0)="151334b1c7044c35e3aaa37a329450661e513d8315f0f0e0894d61df0e9594e505c98c5e4872e0bb0c254ffd6ec12f65f856723339b891d37549db6d24d70d2970d4777f54c748ee974a7056a26f435b3589558055ebdd4efb2892ccdcb5749bed1e6533a898c29a88bcce40eef2f79e395c12d04d89323dd9b435a0", 0x1000, 0x0, &(0x7f0000000540)="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"}) ioctl$KVM_HYPERV_EVENTFD(r2, 0x4018aebd, &(0x7f0000000040)={0x4, r3}) dup(0xffffffffffffffff) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuset.effective_cpus\x00', 0x275a, 0x0) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuset.effective_cpus\x00', 0x275a, 0x0) fcntl$lock(r5, 0x26, &(0x7f0000000000)={0x1}) r6 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDSETLED(r6, 0x4b32, 0x6) r7 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) connect$bt_l2cap(r7, &(0x7f0000000080)={0x1f, 0x0, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x7ff}, 0xe) r8 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) ioctl$sock_bt_hidp_HIDPCONNADD(r8, 0x400448c8, &(0x7f00000000c0)={r7, r7, 0x206, 0x0, 0x0, 0x2, 0x72, 0x1, 0x3, 0x7, 0x0, 0x8, 'syz1\x00'}) r9 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$sock_bt_hci(r9, 0x400448ca, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000000)) dup3(r4, r5, 0x0) write$usbip_server(0xffffffffffffffff, &(0x7f0000000300)=ANY=[@ANYBLOB="00000002"], 0x30) mkdir(0x0, 0x12) [ 85.691529][ T5340] input: Bluetooth HID Boot Protocol Device as /devices/virtual/bluetooth/hci0/hci0:200/input5 [ 85.845317][ T5341] [ 85.846473][ T5341] ====================================================== [ 85.849472][ T5341] WARNING: possible circular locking dependency detected [ 85.852495][ T5341] syzkaller #0 Not tainted [ 85.854451][ T5341] ------------------------------------------------------ [ 85.857435][ T5341] syz.0.0/5341 is trying to acquire lock: [ 85.859938][ T5341] ffff88801125f840 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}, at: __flush_work+0xd2/0xbc0 [ 85.865002][ T5341] [ 85.865002][ T5341] but task is already holding lock: [ 85.868119][ T5341] ffff88801125fb38 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x70/0x680 [ 85.872038][ T5341] [ 85.872038][ T5341] which lock already depends on the new lock. [ 85.872038][ T5341] [ 85.876390][ T5341] [ 85.876390][ T5341] the existing dependency chain (in reverse order) is: [ 85.880277][ T5341] [ 85.880277][ T5341] -> #1 (&conn->lock#2){+.+.}-{4:4}: [ 85.883581][ T5341] lock_acquire+0x120/0x360 [ 85.885749][ T5341] __mutex_lock+0x187/0x1350 [ 85.887927][ T5341] l2cap_info_timeout+0x60/0xa0 [ 85.890215][ T5341] process_scheduled_works+0xade/0x17b0 [ 85.893064][ T5341] worker_thread+0x8a0/0xda0 [ 85.895424][ T5341] kthread+0x70e/0x8a0 [ 85.897532][ T5341] ret_from_fork+0x436/0x7d0 [ 85.899587][ T5341] ret_from_fork_asm+0x1a/0x30 [ 85.901768][ T5341] [ 85.901768][ T5341] -> #0 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}: [ 85.905784][ T5341] validate_chain+0xb9b/0x2140 [ 85.908096][ T5341] __lock_acquire+0xab9/0xd20 [ 85.910278][ T5341] lock_acquire+0x120/0x360 [ 85.912588][ T5341] __flush_work+0x6b8/0xbc0 [ 85.915148][ T5341] __cancel_work_sync+0xbe/0x110 [ 85.918037][ T5341] l2cap_conn_del+0x4f0/0x680 [ 85.920169][ T5341] hci_conn_hash_flush+0x10d/0x230 [ 85.922419][ T5341] hci_dev_close_sync+0xaef/0x1330 [ 85.924666][ T5341] hci_dev_close+0x108/0x200 [ 85.926776][ T5341] sock_do_ioctl+0xd9/0x300 [ 85.928843][ T5341] sock_ioctl+0x576/0x790 [ 85.930832][ T5341] __se_sys_ioctl+0xf9/0x170 [ 85.933112][ T5341] do_syscall_64+0xfa/0x3b0 [ 85.935193][ T5341] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.938034][ T5341] [ 85.938034][ T5341] other info that might help us debug this: [ 85.938034][ T5341] [ 85.942157][ T5341] Possible unsafe locking scenario: [ 85.942157][ T5341] [ 85.945440][ T5341] CPU0 CPU1 [ 85.947785][ T5341] ---- ---- [ 85.950201][ T5341] lock(&conn->lock#2); [ 85.952049][ T5341] lock((work_completion)(&(&conn->info_timer)->work)); [ 85.956143][ T5341] lock(&conn->lock#2); [ 85.959228][ T5341] lock((work_completion)(&(&conn->info_timer)->work)); [ 85.962631][ T5341] [ 85.962631][ T5341] *** DEADLOCK *** [ 85.962631][ T5341] [ 85.966131][ T5341] 5 locks held by syz.0.0/5341: [ 85.968330][ T5341] #0: ffff888042fe4dc8 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_close+0x100/0x200 [ 85.972489][ T5341] #1: ffff888042fe40b8 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x66a/0x1330 [ 85.976701][ T5341] #2: ffffffff8f235308 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x230 [ 85.981236][ T5341] #3: ffff88801125fb38 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x70/0x680 [ 85.985331][ T5341] #4: ffffffff8dd3b220 (rcu_read_lock){....}-{1:3}, at: __flush_work+0xd2/0xbc0 [ 85.989196][ T5341] [ 85.989196][ T5341] stack backtrace: [ 85.991645][ T5341] CPU: 0 UID: 0 PID: 5341 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.991659][ T5341] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.991666][ T5341] Call Trace: [ 85.991673][ T5341] [ 85.991679][ T5341] dump_stack_lvl+0x189/0x250 [ 85.991697][ T5341] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.991709][ T5341] ? __pfx__printk+0x10/0x10 [ 85.991725][ T5341] ? print_lock_name+0xde/0x100 [ 85.991742][ T5341] print_circular_bug+0x2ee/0x310 [ 85.991757][ T5341] check_noncircular+0x134/0x160 [ 85.991772][ T5341] validate_chain+0xb9b/0x2140 [ 85.991781][ T5341] ? do_raw_spin_lock+0x121/0x290 [ 85.991791][ T5341] ? look_up_lock_class+0x74/0x170 [ 85.991807][ T5341] ? register_lock_class+0x51/0x320 [ 85.991818][ T5341] __lock_acquire+0xab9/0xd20 [ 85.991829][ T5341] ? __flush_work+0xd2/0xbc0 [ 85.991842][ T5341] lock_acquire+0x120/0x360 [ 85.991851][ T5341] ? __flush_work+0xd2/0xbc0 [ 85.991864][ T5341] ? __flush_work+0xd2/0xbc0 [ 85.991876][ T5341] __flush_work+0x6b8/0xbc0 [ 85.991887][ T5341] ? __flush_work+0xd2/0xbc0 [ 85.991898][ T5341] ? __flush_work+0xd2/0xbc0 [ 85.991910][ T5341] ? __pfx___flush_work+0x10/0x10 [ 85.991922][ T5341] ? __pfx_wq_barrier_func+0x10/0x10 [ 85.991934][ T5341] ? __pfx___cancel_work+0x10/0x10 [ 85.991946][ T5341] ? hci_conn_drop+0x14d/0x280 [ 85.991962][ T5341] __cancel_work_sync+0xbe/0x110 [ 85.991975][ T5341] l2cap_conn_del+0x4f0/0x680 [ 85.991989][ T5341] ? __pfx_l2cap_disconn_cfm+0x10/0x10 [ 85.991999][ T5341] hci_conn_hash_flush+0x10d/0x230 [ 85.992008][ T5341] hci_dev_close_sync+0xaef/0x1330 [ 85.992017][ T5341] ? __pfx_hci_dev_close_sync+0x10/0x10 [ 85.992024][ T5341] ? do_raw_read_unlock+0x3d/0x80 [ 85.992032][ T5341] hci_dev_close+0x108/0x200 [ 85.992041][ T5341] sock_do_ioctl+0xd9/0x300 [ 85.992049][ T5341] ? __pfx_sock_do_ioctl+0x10/0x10 [ 85.992055][ T5341] ? __lock_acquire+0xab9/0xd20 [ 85.992067][ T5341] sock_ioctl+0x576/0x790 [ 85.992076][ T5341] ? __pfx_sock_ioctl+0x10/0x10 [ 85.992089][ T5341] ? __fget_files+0x2a/0x420 [ 85.992101][ T5341] ? __fget_files+0x3a0/0x420 [ 85.992113][ T5341] ? __fget_files+0x2a/0x420 [ 85.992128][ T5341] ? bpf_lsm_file_ioctl+0x9/0x20 [ 85.992142][ T5341] ? __pfx_sock_ioctl+0x10/0x10 [ 85.992153][ T5341] __se_sys_ioctl+0xf9/0x170 [ 85.992165][ T5341] do_syscall_64+0xfa/0x3b0 [ 85.992174][ T5341] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.992188][ T5341] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.992199][ T5341] ? clear_bhb_loop+0x60/0xb0 [ 85.992211][ T5341] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.992221][ T5341] RIP: 0033:0x7fcf83b8eec9 [ 85.992232][ T5341] 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 [ 85.992242][ T5341] RSP: 002b:00007fcf8493f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.992254][ T5341] RAX: ffffffffffffffda RBX: 00007fcf83de6090 RCX: 00007fcf83b8eec9 [ 85.992262][ T5341] RDX: 0000000000000000 RSI: 00000000400448ca RDI: 000000000000000f [ 85.992269][ T5341] RBP: 00007fcf83c11f91 R08: 0000000000000000 R09: 0000000000000000 [ 85.992278][ T5341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.992284][ T5341] R13: 00007fcf83de6128 R14: 00007fcf83de6090 R15: 00007fffac01a478 [ 85.992295][ T5341] [ 86.140146][ T4679] Bluetooth: hci0: command tx timeout [ 86.602589][ T10] cfg80211: failed to load regulatory.db [ 88.197283][ T4679] Bluetooth: hci0: command tx timeout [ 90.276661][ T4679] Bluetooth: hci0: command tx timeout