[ 46.623253][ T990] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.638143][ T990] device veth1_macvtap left promiscuous mode [ 46.644602][ T990] device veth0_macvtap left promiscuous mode [ 46.650789][ T990] device veth1_vlan left promiscuous mode [ 46.656966][ T990] device veth0_vlan left promiscuous mode [ 46.769195][ T990] team0 (unregistering): Port device team_slave_1 removed [ 46.780528][ T990] team0 (unregistering): Port device team_slave_0 removed [ 46.794780][ T990] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 46.808929][ T990] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 46.856528][ T990] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. 2022/06/28 23:59:47 parsed 1 programs 2022/06/28 23:59:47 executed programs: 0 [ 60.057619][ T3977] cgroup: Unknown subsys name 'net' [ 60.069852][ T3977] cgroup: Unknown subsys name 'rlimit' [ 63.304559][ T3607] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 65.947040][ T1235] ieee802154 phy0 wpan0: encryption failed: -22 [ 65.953574][ T1235] ieee802154 phy1 wpan1: encryption failed: -22 [ 67.464525][ T3607] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 69.552158][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.560177][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.568250][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.576291][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.583942][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.591351][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.653509][ T4070] chnl_net:caif_netlink_parms(): no params data found [ 69.686293][ T4070] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.693440][ T4070] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.701773][ T4070] device bridge_slave_0 entered promiscuous mode [ 69.710116][ T4070] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.717550][ T4070] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.725236][ T4070] device bridge_slave_1 entered promiscuous mode [ 69.742670][ T4070] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.753482][ T4070] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.773432][ T4070] team0: Port device team_slave_0 added [ 69.780663][ T4070] team0: Port device team_slave_1 added [ 69.796021][ T4070] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.803047][ T4070] 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. [ 69.829044][ T4070] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.840835][ T4070] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.847823][ T4070] 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. [ 69.873905][ T4070] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.897876][ T4070] device hsr_slave_0 entered promiscuous mode [ 69.904584][ T4070] device hsr_slave_1 entered promiscuous mode [ 69.954464][ T4070] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.961652][ T4070] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.969131][ T4070] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.976364][ T4070] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.008545][ T4070] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.020817][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.030070][ T3616] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.037941][ T3616] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.045519][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.057459][ T4070] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.076347][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.085015][ T3616] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.092292][ T3616] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.102372][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.110887][ T3616] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.118095][ T3616] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.126041][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.134428][ T3616] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.148532][ T4070] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.159840][ T4070] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.171844][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.179472][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.187842][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.196309][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.212503][ T4070] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.221021][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.229232][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.383097][ T4070] device veth0_vlan entered promiscuous mode [ 70.389901][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.398622][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.407540][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.415208][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.426747][ T4070] device veth1_vlan entered promiscuous mode [ 70.441410][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.449267][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.457341][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.467528][ T4070] device veth0_macvtap entered promiscuous mode [ 70.476956][ T4070] device veth1_macvtap entered promiscuous mode [ 70.490122][ T4070] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.498224][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.508118][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.518359][ T4070] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.525824][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.569200][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.585158][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.592341][ T990] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.593824][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.601756][ T990] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.617860][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.066446][ T14] cfg80211: failed to load regulatory.db [ 71.480174][ T4089] [ 71.482508][ T4089] ============================================ [ 71.488862][ T4089] WARNING: possible recursive locking detected [ 71.494988][ T4089] 5.19.0-rc4-syzkaller #0 Not tainted [ 71.500328][ T4089] -------------------------------------------- [ 71.506447][ T4089] syz-executor.0/4089 is trying to acquire lock: [ 71.512745][ T4089] ffff88807d03f130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x99/0x320 [ 71.524199][ T4089] [ 71.524199][ T4089] but task is already holding lock: [ 71.531626][ T4089] ffff88807d03f130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x41/0x1b0 [ 71.542914][ T4089] [ 71.542914][ T4089] other info that might help us debug this: [ 71.550951][ T4089] Possible unsafe locking scenario: [ 71.550951][ T4089] [ 71.558465][ T4089] CPU0 [ 71.561720][ T4089] ---- [ 71.564974][ T4089] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 71.571103][ T4089] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 71.577231][ T4089] [ 71.577231][ T4089] *** DEADLOCK *** [ 71.577231][ T4089] [ 71.585443][ T4089] May be due to missing lock nesting notation [ 71.585443][ T4089] [ 71.593849][ T4089] 4 locks held by syz-executor.0/4089: [ 71.599287][ T4089] #0: ffff88806f07b210 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release+0x76/0x270 [ 71.609796][ T4089] #1: ffff88807d03f130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x41/0x1b0 [ 71.621581][ T4089] #2: ffffffff8c691d68 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_close+0x25/0x200 [ 71.631012][ T4089] #3: ffff88801b379128 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0xff/0x770 [ 71.640187][ T4089] [ 71.640187][ T4089] stack backtrace: [ 71.646075][ T4089] CPU: 1 PID: 4089 Comm: syz-executor.0 Not tainted 5.19.0-rc4-syzkaller #0 [ 71.654715][ T4089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.664742][ T4089] Call Trace: [ 71.668098][ T4089] [ 71.671012][ T4089] dump_stack_lvl+0x57/0x7d [ 71.675500][ T4089] __lock_acquire.cold+0x1e0/0x3a9 [ 71.680586][ T4089] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.686541][ T4089] lock_acquire+0x1ab/0x570 [ 71.691013][ T4089] ? rfcomm_sk_state_change+0x99/0x320 [ 71.696442][ T4089] ? lock_release+0x780/0x780 [ 71.701098][ T4089] ? mutex_lock_io_nested+0x1190/0x1190 [ 71.706624][ T4089] ? lockdep_hardirqs_on+0x79/0x100 [ 71.711810][ T4089] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 71.717602][ T4089] ? del_timer+0xb3/0xf0 [ 71.721841][ T4089] lock_sock_nested+0x2b/0xd0 [ 71.726500][ T4089] ? rfcomm_sk_state_change+0x99/0x320 [ 71.731939][ T4089] rfcomm_sk_state_change+0x99/0x320 [ 71.737461][ T4089] __rfcomm_dlc_close+0x153/0x770 [ 71.742459][ T4089] rfcomm_dlc_close+0x1a4/0x200 [ 71.747286][ T4089] __rfcomm_sock_close+0x80/0x1f0 [ 71.752281][ T4089] ? rfcomm_sock_shutdown+0x41/0x1b0 [ 71.757548][ T4089] rfcomm_sock_shutdown+0xb9/0x1b0 [ 71.762631][ T4089] rfcomm_sock_release+0x4a/0x120 [ 71.767630][ T4089] __sock_release+0xbb/0x270 [ 71.772190][ T4089] sock_close+0xf/0x20 [ 71.776228][ T4089] __fput+0x1f5/0x8c0 [ 71.780183][ T4089] task_work_run+0xc0/0x160 [ 71.784664][ T4089] get_signal+0x19a/0x1e40 [ 71.789050][ T4089] ? find_held_lock+0x2d/0x110 [ 71.793790][ T4089] ? exit_signals+0x6f0/0x6f0 [ 71.798435][ T4089] ? rfcomm_sock_connect+0xf8/0x3b0 [ 71.803691][ T4089] ? lock_downgrade+0x6e0/0x6e0 [ 71.808525][ T4089] arch_do_signal_or_restart+0x88/0x1b10 [ 71.814218][ T4089] ? kick_process+0xf2/0x190 [ 71.818777][ T4089] ? task_work_add+0x13b/0x160 [ 71.823513][ T4089] ? get_sigframe_size+0x10/0x10 [ 71.828421][ T4089] ? __sys_connect+0x106/0x120 [ 71.833159][ T4089] ? __sys_connect_file+0x180/0x180 [ 71.838518][ T4089] exit_to_user_mode_prepare+0x15f/0x250 [ 71.844124][ T4089] syscall_exit_to_user_mode+0x19/0x50 [ 71.849554][ T4089] do_syscall_64+0x42/0x80 [ 71.853949][ T4089] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 71.859812][ T4089] RIP: 0033:0x7f5e47889049 [ 71.864197][ T4089] 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 [ 71.883775][ T4089] RSP: 002b:00007f5e48ac4168 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 71.892159][ T4089] RAX: fffffffffffffffc RBX: 00007f5e4799bf60 RCX: 00007f5e47889049 [ 71.900305][ T4089] RDX: 000000000000005a RSI: 0000000020000000 RDI: 0000000000000004 [ 71.908595][ T4089] RBP: 00007f5e478e308d R08: 0000000000000000 R09: 0000000000000000 [ 71.916535][ T4089] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 71.924481][ T4089] R13: 00007ffe5f43c14f R14: 00007f5e48ac4300 R15: 0000000000022000 [ 71.932436][ T4089] [ 71.936830][ T3617] Bluetooth: hci0: command 0x0409 tx timeout [ 73.944709][ T3617] Bluetooth: hci0: command 0x041b tx timeout [ 76.024889][ T3617] Bluetooth: hci0: command 0x040f tx timeout [ 78.104458][ T3617] Bluetooth: hci0: command 0x0419 tx timeout [ 80.184480][ T3617] Bluetooth: hci0: command 0x0405 tx timeout