[ 51.966259][ T57] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.981700][ T57] device veth1_macvtap left promiscuous mode [ 51.988609][ T57] device veth0_macvtap left promiscuous mode [ 51.995454][ T57] device veth1_vlan left promiscuous mode [ 52.001496][ T57] device veth0_vlan left promiscuous mode [ 52.135936][ T57] team0 (unregistering): Port device team_slave_1 removed [ 52.148411][ T57] team0 (unregistering): Port device team_slave_0 removed [ 52.160564][ T57] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 52.176506][ T57] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.228515][ T57] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.10.18' (ECDSA) to the list of known hosts. 2022/09/19 03:09:52 ignoring optional flag "sandboxArg"="0" 2022/09/19 03:09:52 parsed 1 programs 2022/09/19 03:09:52 executed programs: 0 [ 71.154070][ T1240] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.160680][ T1240] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.481553][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.489509][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.497660][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.506068][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.514377][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.521642][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.594703][ T4074] chnl_net:caif_netlink_parms(): no params data found [ 71.633103][ T4074] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.640233][ T4074] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.648272][ T4074] device bridge_slave_0 entered promiscuous mode [ 71.656291][ T4074] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.663660][ T4074] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.671408][ T4074] device bridge_slave_1 entered promiscuous mode [ 71.691427][ T4074] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.703386][ T4074] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.725951][ T4074] team0: Port device team_slave_0 added [ 71.735188][ T4074] team0: Port device team_slave_1 added [ 71.752200][ T4074] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.759183][ T4074] 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. [ 71.785961][ T4074] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.798554][ T4074] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.806020][ T4074] 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. [ 71.832849][ T4074] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.857959][ T4074] device hsr_slave_0 entered promiscuous mode [ 71.864631][ T4074] device hsr_slave_1 entered promiscuous mode [ 71.922201][ T4074] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.929439][ T4074] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.937009][ T4074] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.944107][ T4074] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.985476][ T4074] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.997621][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.006191][ T145] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.014069][ T145] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.022281][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.033589][ T4074] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.045031][ T3272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.053570][ T3272] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.060879][ T3272] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.071248][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.080157][ T142] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.087445][ T142] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.110334][ T4074] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.121071][ T4074] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.136404][ T3272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.145663][ T3272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.154870][ T3272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.163584][ T3272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.171858][ T3272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.179863][ T3272] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.197733][ T4074] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.206579][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.214169][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.404037][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.417752][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.428134][ T4074] device veth0_vlan entered promiscuous mode [ 72.435444][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.444349][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.456080][ T4074] device veth1_vlan entered promiscuous mode [ 72.476175][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.484800][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.493384][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.504537][ T4074] device veth0_macvtap entered promiscuous mode [ 72.514563][ T4074] device veth1_macvtap entered promiscuous mode [ 72.530002][ T4074] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.537630][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 72.548030][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.560864][ T4074] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.568805][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.460108][ T4093] [ 73.462485][ T4093] ============================================ [ 73.468798][ T4093] WARNING: possible recursive locking detected [ 73.475044][ T4093] 6.0.0-rc4-syzkaller-00985-g44a8535fb87c #0 Not tainted [ 73.482157][ T4093] -------------------------------------------- [ 73.488299][ T4093] syz-executor.0/4093 is trying to acquire lock: [ 73.494638][ T4093] ffff88807a749130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x69/0x3a0 [ 73.506120][ T4093] [ 73.506120][ T4093] but task is already holding lock: [ 73.513477][ T4093] ffff88807a749130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x52/0x210 [ 73.524973][ T4093] [ 73.524973][ T4093] other info that might help us debug this: [ 73.533153][ T4093] Possible unsafe locking scenario: [ 73.533153][ T4093] [ 73.540698][ T4093] CPU0 [ 73.543967][ T4093] ---- [ 73.547233][ T4093] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 73.553383][ T4093] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 73.559526][ T4093] [ 73.559526][ T4093] *** DEADLOCK *** [ 73.559526][ T4093] [ 73.567663][ T4093] May be due to missing lock nesting notation [ 73.567663][ T4093] [ 73.576029][ T4093] 4 locks held by syz-executor.0/4093: [ 73.581477][ T4093] #0: ffff888073ea7a10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x280 [ 73.592173][ T4093] #1: ffff88807a749130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x52/0x210 [ 73.603996][ T4093] #2: ffffffff8da00ac8 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_close+0x2f/0x240 [ 73.613680][ T4093] #3: ffff88807e308928 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x15d/0x890 [ 73.623099][ T4093] [ 73.623099][ T4093] stack backtrace: [ 73.629066][ T4093] CPU: 0 PID: 4093 Comm: syz-executor.0 Not tainted 6.0.0-rc4-syzkaller-00985-g44a8535fb87c #0 [ 73.639537][ T4093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 73.649619][ T4093] Call Trace: [ 73.652982][ T4093] [ 73.655916][ T4093] dump_stack_lvl+0xcd/0x134 [ 73.660772][ T4093] __lock_acquire.cold+0x116/0x3a7 [ 73.665895][ T4093] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.671883][ T4093] lock_acquire+0x1ab/0x570 [ 73.676537][ T4093] ? rfcomm_sk_state_change+0x69/0x3a0 [ 73.682097][ T4093] ? lock_release+0x780/0x780 [ 73.686880][ T4093] ? __rfcomm_dlc_close+0x15d/0x890 [ 73.692090][ T4093] ? mutex_lock_io_nested+0x1190/0x1190 [ 73.697634][ T4093] ? lockdep_hardirqs_on+0x79/0x100 [ 73.702833][ T4093] ? del_timer+0xc5/0x110 [ 73.707340][ T4093] lock_sock_nested+0x36/0xf0 [ 73.712022][ T4093] ? rfcomm_sk_state_change+0x69/0x3a0 [ 73.717494][ T4093] rfcomm_sk_state_change+0x69/0x3a0 [ 73.723056][ T4093] __rfcomm_dlc_close+0x1b1/0x890 [ 73.728086][ T4093] rfcomm_dlc_close+0x1e5/0x240 [ 73.733027][ T4093] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 73.738928][ T4093] __rfcomm_sock_close+0x13c/0x250 [ 73.744053][ T4093] ? lockdep_hardirqs_on+0x79/0x100 [ 73.749253][ T4093] rfcomm_sock_shutdown+0xcc/0x210 [ 73.754455][ T4093] rfcomm_sock_release+0x64/0x140 [ 73.759526][ T4093] __sock_release+0xcd/0x280 [ 73.764123][ T4093] sock_close+0x18/0x20 [ 73.768280][ T4093] __fput+0x277/0x9d0 [ 73.772270][ T4093] ? __sock_release+0x280/0x280 [ 73.777129][ T4093] task_work_run+0xdd/0x1a0 [ 73.781635][ T4093] get_signal+0x1c3/0x2610 [ 73.786152][ T4093] ? rfcomm_sock_connect+0x155/0x450 [ 73.791442][ T4093] ? lock_downgrade+0x6e0/0x6e0 [ 73.796361][ T4093] ? exit_signals+0x8b0/0x8b0 [ 73.801046][ T4093] ? __local_bh_enable_ip+0xa0/0x120 [ 73.806358][ T4093] ? __local_bh_enable_ip+0xa0/0x120 [ 73.811649][ T4093] arch_do_signal_or_restart+0x82/0x2300 [ 73.817287][ T4093] ? task_work_add+0xa4/0x1f0 [ 73.821977][ T4093] ? fput+0xf2/0x190 [ 73.825935][ T4093] ? get_sigframe_size+0x10/0x10 [ 73.830877][ T4093] ? __sys_connect_file+0x190/0x190 [ 73.836176][ T4093] ? exit_to_user_mode_prepare+0x137/0x250 [ 73.841986][ T4093] exit_to_user_mode_prepare+0x15f/0x250 [ 73.847711][ T4093] syscall_exit_to_user_mode+0x19/0x50 [ 73.853259][ T4093] do_syscall_64+0x42/0xb0 [ 73.857682][ T4093] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 73.863580][ T4093] RIP: 0033:0x4665f9 [ 73.867651][ T4093] 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 bc ff ff ff f7 d8 64 89 01 48 [ 73.887258][ T4093] RSP: 002b:00007f0a05532188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 73.895754][ T4093] RAX: fffffffffffffffc RBX: 000000000056bf80 RCX: 00000000004665f9 [ 73.903897][ T4093] RDX: 0000000000000080 RSI: 0000000020000000 RDI: 0000000000000004 [ 73.911865][ T4093] RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 [ 73.919835][ T4093] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 73.927892][ T4093] R13: 00007ffeffb3e29f R14: 00007f0a05532300 R15: 0000000000022000 [ 73.935959][ T4093] [ 73.940070][ T3272] Bluetooth: hci0: command 0x0409 tx timeout [ 75.952097][ T22] Bluetooth: hci0: command 0x041b tx timeout [ 76.272454][ T14] cfg80211: failed to load regulatory.db [ 78.032255][ T22] Bluetooth: hci0: command 0x040f tx timeout [ 80.112137][ T22] Bluetooth: hci0: command 0x0419 tx timeout [ 82.192115][ T22] Bluetooth: hci0: command 0x0405 tx timeout