[ 48.003012][ T234] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.021190][ T234] device veth1_macvtap left promiscuous mode [ 48.028154][ T234] device veth0_macvtap left promiscuous mode [ 48.034774][ T234] device veth1_vlan left promiscuous mode [ 48.040751][ T234] device veth0_vlan left promiscuous mode [ 48.242849][ T234] team0 (unregistering): Port device team_slave_1 removed [ 48.258490][ T234] team0 (unregistering): Port device team_slave_0 removed [ 48.277099][ T234] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.290759][ T234] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 48.332915][ T234] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.10.34' (ECDSA) to the list of known hosts. 2022/07/12 17:52:42 parsed 1 programs 2022/07/12 17:52:42 executed programs: 0 [ 60.690978][ T3994] cgroup: Unknown subsys name 'net' [ 60.702662][ T3994] cgroup: Unknown subsys name 'rlimit' [ 63.881376][ T47] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 65.964261][ T1234] ieee802154 phy0 wpan0: encryption failed: -22 [ 65.970724][ T1234] ieee802154 phy1 wpan1: encryption failed: -22 [ 68.041367][ T47] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 70.128545][ T3606] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.136824][ T3606] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.144368][ T3606] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.152279][ T3606] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.159649][ T3606] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.167011][ T3606] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.227034][ T4068] chnl_net:caif_netlink_parms(): no params data found [ 70.260420][ T4068] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.267747][ T4068] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.275617][ T4068] device bridge_slave_0 entered promiscuous mode [ 70.284328][ T4068] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.291480][ T4068] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.299537][ T4068] device bridge_slave_1 entered promiscuous mode [ 70.317559][ T4068] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.328701][ T4068] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.349027][ T4068] team0: Port device team_slave_0 added [ 70.357303][ T4068] team0: Port device team_slave_1 added [ 70.372756][ T4068] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.379726][ T4068] 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. [ 70.406092][ T4068] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.418225][ T4068] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.425434][ T4068] 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. [ 70.452149][ T4068] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.475508][ T4068] device hsr_slave_0 entered promiscuous mode [ 70.482063][ T4068] device hsr_slave_1 entered promiscuous mode [ 70.530016][ T4068] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.537108][ T4068] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.544775][ T4068] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.551856][ T4068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.585030][ T4068] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.597367][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.606830][ T3617] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.615343][ T3617] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.623132][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.633939][ T4068] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.643902][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.652195][ T3617] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.659308][ T3617] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.669404][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.677865][ T140] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.685401][ T140] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.702372][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.710748][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.719815][ T140] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.734703][ T4068] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.745737][ T4068] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.757712][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.766781][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.775330][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.790545][ T4068] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.799227][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.807055][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.970914][ T4068] device veth0_vlan entered promiscuous mode [ 70.978280][ T919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.988396][ T919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.996747][ T919] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.004967][ T919] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.016532][ T4068] device veth1_vlan entered promiscuous mode [ 71.032128][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.042560][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.051662][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.062222][ T4068] device veth0_macvtap entered promiscuous mode [ 71.070393][ T4068] device veth1_macvtap entered promiscuous mode [ 71.083338][ T6] cfg80211: failed to load regulatory.db [ 71.095855][ T4068] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.107589][ T4068] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.115923][ T919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.125239][ T919] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.134588][ T919] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.186800][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.199904][ T234] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.200197][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.220443][ T234] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.233998][ T3617] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.247267][ T919] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.112742][ T4088] [ 72.115102][ T4088] ============================================ [ 72.121314][ T4088] WARNING: possible recursive locking detected [ 72.127454][ T4088] 5.19.0-rc6-syzkaller #0 Not tainted [ 72.132886][ T4088] -------------------------------------------- [ 72.139003][ T4088] syz-executor.0/4088 is trying to acquire lock: [ 72.145610][ T4088] ffff88807989f130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x99/0x320 [ 72.157309][ T4088] [ 72.157309][ T4088] but task is already holding lock: [ 72.164651][ T4088] ffff88807989f130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x41/0x1b0 [ 72.175929][ T4088] [ 72.175929][ T4088] other info that might help us debug this: [ 72.184067][ T4088] Possible unsafe locking scenario: [ 72.184067][ T4088] [ 72.191489][ T4088] CPU0 [ 72.194794][ T4088] ---- [ 72.198048][ T4088] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 72.204257][ T4088] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 72.210460][ T4088] [ 72.210460][ T4088] *** DEADLOCK *** [ 72.210460][ T4088] [ 72.218601][ T4088] May be due to missing lock nesting notation [ 72.218601][ T4088] [ 72.226893][ T4088] 4 locks held by syz-executor.0/4088: [ 72.232331][ T4088] #0: ffff888073313810 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release+0x76/0x270 [ 72.242734][ T4088] #1: ffff88807989f130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x41/0x1b0 [ 72.254441][ T4088] #2: ffffffff8c693ca8 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_close+0x25/0x200 [ 72.263831][ T4088] #3: ffff88807a102128 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0xff/0x770 [ 72.273936][ T4088] [ 72.273936][ T4088] stack backtrace: [ 72.279810][ T4088] CPU: 0 PID: 4088 Comm: syz-executor.0 Not tainted 5.19.0-rc6-syzkaller #0 [ 72.288638][ T4088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 72.299280][ T4088] Call Trace: [ 72.302537][ T4088] [ 72.305457][ T4088] dump_stack_lvl+0x57/0x7d [ 72.309947][ T4088] __lock_acquire.cold+0x1e0/0x3a9 [ 72.315224][ T4088] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 72.321205][ T4088] lock_acquire+0x1ab/0x570 [ 72.325793][ T4088] ? rfcomm_sk_state_change+0x99/0x320 [ 72.331237][ T4088] ? lock_release+0x780/0x780 [ 72.336004][ T4088] ? mutex_lock_io_nested+0x1190/0x1190 [ 72.341621][ T4088] ? lockdep_hardirqs_on+0x79/0x100 [ 72.346785][ T4088] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 72.353088][ T4088] ? del_timer+0xb3/0xf0 [ 72.357337][ T4088] lock_sock_nested+0x2b/0xd0 [ 72.362002][ T4088] ? rfcomm_sk_state_change+0x99/0x320 [ 72.367615][ T4088] rfcomm_sk_state_change+0x99/0x320 [ 72.372878][ T4088] __rfcomm_dlc_close+0x153/0x770 [ 72.377901][ T4088] rfcomm_dlc_close+0x1a4/0x200 [ 72.382814][ T4088] __rfcomm_sock_close+0x80/0x1f0 [ 72.387843][ T4088] ? rfcomm_sock_shutdown+0x41/0x1b0 [ 72.393202][ T4088] rfcomm_sock_shutdown+0xb9/0x1b0 [ 72.398297][ T4088] rfcomm_sock_release+0x4a/0x120 [ 72.403289][ T4088] __sock_release+0xbb/0x270 [ 72.408020][ T4088] sock_close+0xf/0x20 [ 72.412057][ T4088] __fput+0x1f5/0x8c0 [ 72.416113][ T4088] task_work_run+0xc0/0x160 [ 72.420590][ T4088] get_signal+0x19a/0x1e40 [ 72.425074][ T4088] ? find_held_lock+0x2d/0x110 [ 72.429815][ T4088] ? exit_signals+0x6f0/0x6f0 [ 72.434470][ T4088] ? rfcomm_sock_connect+0xf8/0x3b0 [ 72.439732][ T4088] ? lock_downgrade+0x6e0/0x6e0 [ 72.444673][ T4088] arch_do_signal_or_restart+0x88/0x1b10 [ 72.450454][ T4088] ? kick_process+0xf2/0x190 [ 72.455191][ T4088] ? task_work_add+0x13b/0x160 [ 72.459923][ T4088] ? get_sigframe_size+0x10/0x10 [ 72.464832][ T4088] ? __sys_connect+0x106/0x120 [ 72.469572][ T4088] ? __sys_connect_file+0x180/0x180 [ 72.474761][ T4088] exit_to_user_mode_prepare+0x15f/0x250 [ 72.480646][ T4088] syscall_exit_to_user_mode+0x19/0x50 [ 72.486096][ T4088] do_syscall_64+0x42/0x80 [ 72.490582][ T4088] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 72.496445][ T4088] RIP: 0033:0x7f17a1289049 [ 72.500831][ T4088] 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 [ 72.520598][ T4088] RSP: 002b:00007f17a24d2168 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 72.529006][ T4088] RAX: fffffffffffffffc RBX: 00007f17a139bf60 RCX: 00007f17a1289049 [ 72.536953][ T4088] RDX: 0000000000000080 RSI: 0000000020000000 RDI: 0000000000000004 [ 72.545092][ T4088] RBP: 00007f17a12e308d R08: 0000000000000000 R09: 0000000000000000 [ 72.553035][ T4088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.560997][ T4088] R13: 00007ffdc1ae530f R14: 00007f17a24d2300 R15: 0000000000022000 [ 72.568961][ T4088] [ 72.572986][ T3617] Bluetooth: hci0: command 0x0409 tx timeout [ 74.601422][ T919] Bluetooth: hci0: command 0x041b tx timeout [ 76.681461][ T919] Bluetooth: hci0: command 0x040f tx timeout [ 78.761315][ T6] Bluetooth: hci0: command 0x0419 tx timeout [ 80.841307][ T919] Bluetooth: hci0: command 0x0405 tx timeout