program: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x6, 0x4, &(0x7f0000000680)=ANY=[@ANYBLOB="18020000000000000000000000000030850000002c00000095000000000000002b4003fe37a077ae55f52c0d80a2649baca85309be96d5a45bbbdb5ff7ffffffd075b3eee14473f51be98db7efbb059842badcfc81364470e8e04acb807fbbabc68abdcce9f672b6bb61c302dfd5c11071adac29fd64d33a3502fbeb1ed99dd0e792f24c420bfcc2635421d339ad521d6953b1137850d9e9ebf65ee988ea2dbee528678eb47efb7b3f19046c6f1bd1bf56e5853ed96137f95b3a11954ed1c8a8676468cf2405e48723d4b1ff"], &(0x7f00000000c0)='GPL\x00', 0x0, 0x1000, &(0x7f0000001400)=""/4106, 0x0, 0x0, '\x00', 0x0, @xdp}, 0x18) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000700), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r2}, 0x2c, {'rootmode', 0x3d, 0x4000}}) read$FUSE(r2, &(0x7f00000021c0)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r2, &(0x7f00000002c0)={0x50, 0x0, r3, {0x7, 0x29, 0x0, 0x5090880b, 0x0, 0x10, 0xd, 0x40, 0x0, 0x0, 0x2f, 0x1}}, 0x50) (async) write$FUSE_INIT(r2, &(0x7f00000002c0)={0x50, 0x0, r3, {0x7, 0x29, 0x0, 0x5090880b, 0x0, 0x10, 0xd, 0x40, 0x0, 0x0, 0x2f, 0x1}}, 0x50) syz_fuse_handle_req(r2, &(0x7f0000008400)="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", 0x2000, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x90, 0x0, 0x84, {0x1fffffffffffffc, 0x2, 0x5, 0x1, 0xa003, 0x1ff, {0xc, 0x7, 0x6, 0x7d, 0x2, 0x3f45, 0xc06, 0x1006, 0x10, 0x2000, 0x9, r4, r5, 0xa01, 0x3}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) quotactl_fd$Q_SETINFO(r1, 0xffffffff80000601, r4, &(0x7f0000000100)={0x100, 0x3}) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) (async) r8 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) connect(r8, &(0x7f0000000000)=@rc={0x1f, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x8}, 0x80) (async) connect(r8, &(0x7f0000000000)=@rc={0x1f, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x10}, 0x8}, 0x80) arch_prctl$ARCH_SHSTK_ENABLE(0x5001, 0x0) (async) arch_prctl$ARCH_SHSTK_ENABLE(0x5001, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) (async) r9 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$HCIINQUIRY(r9, 0x400448ca, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r7, 0x8933, &(0x7f0000000040)) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r7, 0x8933, &(0x7f0000000040)={'batadv0\x00', 0x0}) sendmsg$nl_route(r6, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000080)=@setlink={0x3c, 0x13, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x100}, [@IFLA_MASTER={0x8, 0xa, r10}, @IFLA_ALT_IFNAME={0x14, 0x35, 'veth1_to_batadv\x00'}]}, 0x3c}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000380)=ANY=[@ANYBLOB="34000000100001080000000000000000000000002c6391e45870dd218a5a2441a52b49548e3063044a620c657fc80eed2d6496ddffd457e7382c73df3a", @ANYRES32=0x0, @ANYBLOB="00000000000000000c002b8008000100", @ANYRES32=r0, @ANYBLOB="08001b0000000000"], 0x34}}, 0x8004) [ 96.765347][ T1348] cfg80211: failed to load regulatory.db [ 96.773283][ T4683] Bluetooth: hci0: command tx timeout [ 96.826426][ T5343] veth1_to_batadv: entered promiscuous mode [ 96.832915][ T5343] batman_adv: batadv0: Adding interface: veth1_to_batadv [ 96.836576][ T5343] batman_adv: batadv0: The MTU of interface veth1_to_batadv is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 96.851985][ T5342] [ 96.852975][ T5342] ====================================================== [ 96.855993][ T5342] WARNING: possible circular locking dependency detected [ 96.859533][ T5342] syzkaller #0 Not tainted [ 96.861475][ T5342] ------------------------------------------------------ [ 96.864258][ T5342] syz.0.0/5342 is trying to acquire lock: [ 96.866801][ T5342] ffff8880387a2840 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}, at: __flush_work+0xd2/0xbc0 [ 96.872016][ T5342] [ 96.872016][ T5342] but task is already holding lock: [ 96.875125][ T5342] ffff8880387a2b38 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x7b/0x5b0 [ 96.878832][ T5342] [ 96.878832][ T5342] which lock already depends on the new lock. [ 96.878832][ T5342] [ 96.882727][ T5342] [ 96.882727][ T5342] the existing dependency chain (in reverse order) is: [ 96.885884][ T5342] [ 96.885884][ T5342] -> #1 (&conn->lock#2){+.+.}-{4:4}: [ 96.888694][ T5342] __mutex_lock+0x187/0x1350 [ 96.890870][ T5342] l2cap_info_timeout+0x60/0xa0 [ 96.893234][ T5342] process_scheduled_works+0xad1/0x1770 [ 96.895810][ T5342] worker_thread+0x8a0/0xda0 [ 96.898166][ T5342] kthread+0x711/0x8a0 [ 96.900328][ T5342] ret_from_fork+0x599/0xb30 [ 96.902839][ T5342] ret_from_fork_asm+0x1a/0x30 [ 96.905214][ T5342] [ 96.905214][ T5342] -> #0 ((work_completion)(&(&conn->info_timer)->work)){+.+.}-{0:0}: [ 96.909719][ T5342] __lock_acquire+0x15a6/0x2cf0 [ 96.912096][ T5342] lock_acquire+0x117/0x340 [ 96.914384][ T5342] __flush_work+0x6b8/0xbc0 [ 96.916659][ T5342] __cancel_work_sync+0xbe/0x110 [ 96.919170][ T5342] l2cap_conn_del+0x402/0x5b0 [ 96.921584][ T5342] hci_conn_hash_flush+0x10d/0x260 [ 96.924147][ T5342] hci_dev_close_sync+0x821/0x1100 [ 96.926732][ T5342] hci_dev_close+0x108/0x270 [ 96.929088][ T5342] sock_do_ioctl+0xdc/0x300 [ 96.931637][ T5342] sock_ioctl+0x576/0x790 [ 96.933901][ T5342] __se_sys_ioctl+0xfc/0x170 [ 96.936331][ T5342] do_syscall_64+0xfa/0xf80 [ 96.938746][ T5342] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.941770][ T5342] [ 96.941770][ T5342] other info that might help us debug this: [ 96.941770][ T5342] [ 96.946715][ T5342] Possible unsafe locking scenario: [ 96.946715][ T5342] [ 96.950273][ T5342] CPU0 CPU1 [ 96.952727][ T5342] ---- ---- [ 96.955171][ T5342] lock(&conn->lock#2); [ 96.957091][ T5342] lock((work_completion)(&(&conn->info_timer)->work)); [ 96.961213][ T5342] lock(&conn->lock#2); [ 96.964270][ T5342] lock((work_completion)(&(&conn->info_timer)->work)); [ 96.967451][ T5342] [ 96.967451][ T5342] *** DEADLOCK *** [ 96.967451][ T5342] [ 96.971033][ T5342] 5 locks held by syz.0.0/5342: [ 96.973282][ T5342] #0: ffff88801f6a4ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_close+0x100/0x270 [ 96.977682][ T5342] #1: ffff88801f6a40c0 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x640/0x1100 [ 96.982067][ T5342] #2: ffffffff8f6857c8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x260 [ 96.986653][ T5342] #3: ffff8880387a2b38 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x7b/0x5b0 [ 96.990783][ T5342] #4: ffffffff8e141a20 (rcu_read_lock){....}-{1:3}, at: __flush_work+0xd2/0xbc0 [ 96.995030][ T5342] [ 96.995030][ T5342] stack backtrace: [ 96.997726][ T5342] CPU: 0 UID: 0 PID: 5342 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 96.997743][ T5342] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 96.997750][ T5342] Call Trace: [ 96.997756][ T5342] [ 96.997763][ T5342] dump_stack_lvl+0x189/0x250 [ 96.997782][ T5342] ? __pfx_dump_stack_lvl+0x10/0x10 [ 96.997794][ T5342] ? __pfx__printk+0x10/0x10 [ 96.997811][ T5342] ? print_lock_name+0xde/0x100 [ 96.997827][ T5342] print_circular_bug+0x2e2/0x300 [ 96.997842][ T5342] check_noncircular+0x12e/0x150 [ 96.997857][ T5342] __lock_acquire+0x15a6/0x2cf0 [ 96.997869][ T5342] ? do_raw_spin_unlock+0x4d/0x240 [ 96.997885][ T5342] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 96.997904][ T5342] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 96.997922][ T5342] ? __flush_work+0xd2/0xbc0 [ 96.997934][ T5342] lock_acquire+0x117/0x340 [ 96.997946][ T5342] ? __flush_work+0xd2/0xbc0 [ 96.997959][ T5342] ? _raw_spin_unlock_irq+0x23/0x50 [ 96.997973][ T5342] ? __flush_work+0xd2/0xbc0 [ 96.997987][ T5342] __flush_work+0x6b8/0xbc0 [ 96.997998][ T5342] ? __flush_work+0xd2/0xbc0 [ 96.998012][ T5342] ? __flush_work+0xd2/0xbc0 [ 96.998024][ T5342] ? __pfx___flush_work+0x10/0x10 [ 96.998036][ T5342] ? __pfx_wq_barrier_func+0x10/0x10 [ 96.998051][ T5342] ? __pfx___cancel_work+0x10/0x10 [ 96.998065][ T5342] ? hci_conn_drop+0x153/0x2b0 [ 96.998076][ T5342] ? __cancel_work_sync+0x5c/0x110 [ 96.998090][ T5342] __cancel_work_sync+0xbe/0x110 [ 96.998104][ T5342] l2cap_conn_del+0x402/0x5b0 [ 96.998121][ T5342] ? __pfx_l2cap_disconn_cfm+0x10/0x10 [ 96.998138][ T5342] hci_conn_hash_flush+0x10d/0x260 [ 96.998153][ T5342] hci_dev_close_sync+0x821/0x1100 [ 96.998171][ T5342] ? __pfx_hci_dev_close_sync+0x10/0x10 [ 96.998187][ T5342] ? __cancel_work_sync+0x5c/0x110 [ 96.998200][ T5342] hci_dev_close+0x108/0x270 [ 96.998217][ T5342] sock_do_ioctl+0xdc/0x300 [ 96.998231][ T5342] ? __pfx_sock_do_ioctl+0x10/0x10 [ 96.998244][ T5342] ? do_futex+0x333/0x420 [ 96.998258][ T5342] sock_ioctl+0x576/0x790 [ 96.998272][ T5342] ? __pfx_sock_ioctl+0x10/0x10 [ 96.998285][ T5342] ? __fget_files+0x3a0/0x420 [ 96.998298][ T5342] ? __fget_files+0x2a/0x420 [ 96.998310][ T5342] ? bpf_lsm_file_ioctl+0x9/0x20 [ 96.998321][ T5342] ? __pfx_sock_ioctl+0x10/0x10 [ 96.998334][ T5342] __se_sys_ioctl+0xfc/0x170 [ 96.998351][ T5342] do_syscall_64+0xfa/0xf80 [ 96.998363][ T5342] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.998375][ T5342] ? clear_bhb_loop+0x60/0xb0 [ 96.998388][ T5342] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.998399][ T5342] RIP: 0033:0x7f6c0f78f7c9 [ 96.998411][ T5342] 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 [ 96.998421][ T5342] RSP: 002b:00007f6c1065f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 96.998435][ T5342] RAX: ffffffffffffffda RBX: 00007f6c0f9e6090 RCX: 00007f6c0f78f7c9 [ 96.998443][ T5342] RDX: 0000000000000000 RSI: 00000000400448ca RDI: 000000000000000c [ 96.998450][ T5342] RBP: 00007f6c0f813f91 R08: 0000000000000000 R09: 0000000000000000 [ 96.998457][ T5342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.998464][ T5342] R13: 00007f6c0f9e6128 R14: 00007f6c0f9e6090 R15: 00007ffcc2887798 [ 96.998476][ T5342] [ 97.150485][ T5343] batman_adv: batadv0: Not using interface veth1_to_batadv (retrying later): interface not active [ 97.160986][ T5343] netlink: 20 bytes leftover after parsing attributes in process `syz.0.0'.