[ 45.952173][ T953] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.981756][ T953] device veth1_macvtap left promiscuous mode [ 45.981868][ T953] device veth0_macvtap left promiscuous mode [ 45.981984][ T953] device veth1_vlan left promiscuous mode [ 45.982122][ T953] device veth0_vlan left promiscuous mode [ 46.141087][ T953] team0 (unregistering): Port device team_slave_1 removed [ 46.146300][ T953] team0 (unregistering): Port device team_slave_0 removed [ 46.162994][ T953] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 46.177582][ T953] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 46.224579][ T953] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.15.209' (ECDSA) to the list of known hosts. 2022/06/09 16:10:01 parsed 1 programs 2022/06/09 16:10:01 executed programs: 0 [ 58.599143][ T3999] cgroup: Unknown subsys name 'net' [ 58.602660][ T3999] cgroup: Unknown subsys name 'rlimit' [ 59.686997][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.688397][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.688853][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.689576][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.690153][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.690356][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.808739][ T4004] chnl_net:caif_netlink_parms(): no params data found [ 59.855527][ T4004] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.855632][ T4004] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.856499][ T4004] device bridge_slave_0 entered promiscuous mode [ 59.858642][ T4004] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.858747][ T4004] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.859577][ T4004] device bridge_slave_1 entered promiscuous mode [ 59.896531][ T4004] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.898365][ T4004] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.932307][ T4004] team0: Port device team_slave_0 added [ 59.936694][ T4004] team0: Port device team_slave_1 added [ 59.955760][ T4004] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.955768][ T4004] batman_adv: batadv0: The MTU of interface batadv_slave_0 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 1560 would solve the problem. [ 59.955775][ T4004] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.957645][ T4004] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.957650][ T4004] batman_adv: batadv0: The MTU of interface batadv_slave_1 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 1560 would solve the problem. [ 59.957657][ T4004] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.046785][ T4004] device hsr_slave_0 entered promiscuous mode [ 60.059486][ T4004] device hsr_slave_1 entered promiscuous mode [ 60.153225][ T4004] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.153280][ T4004] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.153411][ T4004] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.153467][ T4004] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.210738][ T4004] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.218783][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.221747][ T2936] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.229054][ T2936] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.244102][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.257182][ T4004] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.273753][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.274109][ T14] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.274151][ T14] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.274377][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.274694][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.275145][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.301261][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.302156][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.315963][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.320707][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.324429][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.329381][ T4004] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.344234][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.344308][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.351545][ T4004] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.605272][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.605874][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.606310][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.606655][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.607314][ T4004] device veth0_vlan entered promiscuous mode [ 60.611963][ T4004] device veth1_vlan entered promiscuous mode [ 60.624812][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.626627][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.627191][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.630559][ T4004] device veth0_macvtap entered promiscuous mode [ 60.633231][ T4004] device veth1_macvtap entered promiscuous mode [ 60.643112][ T4004] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.643188][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.648999][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.652779][ T4004] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.652970][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.755233][ T1280] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.755243][ T1280] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.757164][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.774663][ T1280] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.774673][ T1280] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.777216][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.669125][ T4087] [ 61.669132][ T4087] ============================================ [ 61.669134][ T4087] WARNING: possible recursive locking detected [ 61.669137][ T4087] 5.19.0-rc1-syzkaller #0 Not tainted [ 61.669141][ T4087] -------------------------------------------- [ 61.669143][ T4087] syz-executor.0/4087 is trying to acquire lock: [ 61.669148][ T4087] ffff88807a5c8130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x99/0x320 [ 61.669174][ T4087] [ 61.669174][ T4087] but task is already holding lock: [ 61.669176][ T4087] ffff88807a5c8130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x41/0x1b0 [ 61.669187][ T4087] [ 61.669187][ T4087] other info that might help us debug this: [ 61.669188][ T4087] Possible unsafe locking scenario: [ 61.669188][ T4087] [ 61.669190][ T4087] CPU0 [ 61.669191][ T4087] ---- [ 61.669192][ T4087] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 61.669195][ T4087] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 61.669199][ T4087] [ 61.669199][ T4087] *** DEADLOCK *** [ 61.669199][ T4087] [ 61.669201][ T4087] May be due to missing lock nesting notation [ 61.669201][ T4087] [ 61.669202][ T4087] 4 locks held by syz-executor.0/4087: [ 61.669206][ T4087] #0: ffff8880733f8e10 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release+0x76/0x270 [ 61.669219][ T4087] #1: ffff88807a5c8130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x41/0x1b0 [ 61.669226][ T4087] #2: ffffffff8c6906a8 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_close+0x25/0x200 [ 61.669233][ T4087] #3: ffff88807f46d528 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0xff/0x770 [ 61.669241][ T4087] [ 61.669241][ T4087] stack backtrace: [ 61.669243][ T4087] CPU: 1 PID: 4087 Comm: syz-executor.0 Not tainted 5.19.0-rc1-syzkaller #0 [ 61.669247][ T4087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.669250][ T4087] Call Trace: [ 61.669252][ T4087] [ 61.669255][ T4087] dump_stack_lvl+0x57/0x7d [ 61.669264][ T4087] __lock_acquire.cold+0x1e0/0x3a9 [ 61.669273][ T4087] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 61.669297][ T4087] lock_acquire+0x1ab/0x570 [ 61.669303][ T4087] ? rfcomm_sk_state_change+0x99/0x320 [ 61.669309][ T4087] ? lock_release+0x780/0x780 [ 61.669314][ T4087] ? mutex_lock_io_nested+0x1190/0x1190 [ 61.669324][ T4087] ? lockdep_hardirqs_on+0x79/0x100 [ 61.669328][ T4087] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 61.669334][ T4087] ? del_timer+0xb3/0xf0 [ 61.669343][ T4087] lock_sock_nested+0x2b/0xd0 [ 61.669351][ T4087] ? rfcomm_sk_state_change+0x99/0x320 [ 61.669356][ T4087] rfcomm_sk_state_change+0x99/0x320 [ 61.669363][ T4087] __rfcomm_dlc_close+0x153/0x770 [ 61.669368][ T4087] rfcomm_dlc_close+0x1a4/0x200 [ 61.669375][ T4087] __rfcomm_sock_close+0x80/0x1f0 [ 61.669380][ T4087] ? rfcomm_sock_shutdown+0x41/0x1b0 [ 61.669386][ T4087] rfcomm_sock_shutdown+0xb9/0x1b0 [ 61.669391][ T4087] rfcomm_sock_release+0x4a/0x120 [ 61.669395][ T4087] __sock_release+0xbb/0x270 [ 61.669398][ T4087] sock_close+0xf/0x20 [ 61.669401][ T4087] __fput+0x1f5/0x8c0 [ 61.669408][ T4087] task_work_run+0xc0/0x160 [ 61.669415][ T4087] get_signal+0x19a/0x1e40 [ 61.669419][ T4087] ? find_held_lock+0x2d/0x110 [ 61.669423][ T4087] ? exit_signals+0x6f0/0x6f0 [ 61.669426][ T4087] ? rfcomm_sock_connect+0xf8/0x3b0 [ 61.669429][ T4087] ? lock_downgrade+0x6e0/0x6e0 [ 61.669434][ T4087] arch_do_signal_or_restart+0x88/0x1b10 [ 61.669441][ T4087] ? kick_process+0xf2/0x190 [ 61.669448][ T4087] ? task_work_add+0x13b/0x160 [ 61.669452][ T4087] ? get_sigframe_size+0x10/0x10 [ 61.669456][ T4087] ? __sys_connect+0x106/0x120 [ 61.669459][ T4087] ? __sys_connect_file+0x180/0x180 [ 61.669465][ T4087] exit_to_user_mode_prepare+0x15f/0x250 [ 61.669472][ T4087] syscall_exit_to_user_mode+0x19/0x50 [ 61.669475][ T4087] do_syscall_64+0x42/0x80 [ 61.669481][ T4087] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 61.669485][ T4087] RIP: 0033:0x7f368c289049 [ 61.669490][ T4087] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 61.669495][ T4087] RSP: 002b:00007f368d4b0168 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 61.669504][ T4087] RAX: fffffffffffffffc RBX: 00007f368c39bf60 RCX: 00007f368c289049 [ 61.669507][ T4087] RDX: 0000000000000080 RSI: 0000000020000000 RDI: 0000000000000004 [ 61.669509][ T4087] RBP: 00007f368c2e308d R08: 0000000000000000 R09: 0000000000000000 [ 61.669511][ T4087] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 61.669513][ T4087] R13: 00007ffd2f3638ef R14: 00007f368d4b0300 R15: 0000000000022000 [ 61.669518][ T4087] [ 61.757730][ T14] Bluetooth: hci0: command 0x0409 tx timeout [ 63.834976][ T6] Bluetooth: hci0: command 0x041b tx timeout [ 65.915233][ T14] Bluetooth: hci0: command 0x040f tx timeout [ 66.315882][ T1225] ieee802154 phy0 wpan0: encryption failed: -22 [ 66.315905][ T1225] ieee802154 phy1 wpan1: encryption failed: -22 [ 67.995055][ T6] Bluetooth: hci0: command 0x0419 tx timeout [ 70.075069][ T6] Bluetooth: hci0: command 0x0405 tx timeout [ 71.436161][ T141] cfg80211: failed to load regulatory.db