[ 52.315179][ T51] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.339296][ T51] device veth1_macvtap left promiscuous mode [ 52.347308][ T51] device veth0_macvtap left promiscuous mode [ 52.354067][ T51] device veth1_vlan left promiscuous mode [ 52.362137][ T51] device veth0_vlan left promiscuous mode [ 52.582221][ T51] team0 (unregistering): Port device team_slave_1 removed [ 52.595259][ T51] team0 (unregistering): Port device team_slave_0 removed [ 52.607780][ T51] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 52.621528][ T51] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.671471][ T51] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.51' (ECDSA) to the list of known hosts. 2022/09/19 00:27:45 ignoring optional flag "sandboxArg"="0" 2022/09/19 00:27:45 parsed 1 programs 2022/09/19 00:27:46 executed programs: 0 [ 69.717311][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.725169][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.733261][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.741293][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.748916][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.757000][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.827856][ T4075] chnl_net:caif_netlink_parms(): no params data found [ 69.865186][ T4075] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.872473][ T4075] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.881162][ T4075] device bridge_slave_0 entered promiscuous mode [ 69.890153][ T4075] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.897255][ T4075] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.905242][ T4075] device bridge_slave_1 entered promiscuous mode [ 69.925360][ T4075] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.936485][ T4075] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.958742][ T4075] team0: Port device team_slave_0 added [ 69.965990][ T4075] team0: Port device team_slave_1 added [ 69.984038][ T4075] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.991220][ T4075] 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. [ 70.017346][ T4075] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.029652][ T4075] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.036623][ T4075] 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. [ 70.062768][ T4075] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.087611][ T4075] device hsr_slave_0 entered promiscuous mode [ 70.094305][ T4075] device hsr_slave_1 entered promiscuous mode [ 70.153401][ T4075] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.160507][ T4075] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.167863][ T4075] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.175842][ T4075] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.214349][ T4075] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.227285][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.236307][ T141] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.244524][ T141] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.253370][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.265378][ T4075] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.276028][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.284413][ T141] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.291752][ T141] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.303614][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.312361][ T3271] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.319459][ T3271] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.338480][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.354317][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.362220][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.371325][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.382976][ T4075] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.394612][ T4075] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.403900][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.423833][ T4075] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.431739][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.439372][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.700430][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.715715][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.724750][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.732605][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.742747][ T4075] device veth0_vlan entered promiscuous mode [ 70.754261][ T4075] device veth1_vlan entered promiscuous mode [ 70.771990][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.781198][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.789695][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.800766][ T4075] device veth0_macvtap entered promiscuous mode [ 70.809341][ T4075] device veth1_macvtap entered promiscuous mode [ 70.824922][ T4075] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.832627][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.843184][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.854086][ T4075] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.862383][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.871641][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.152030][ T1234] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.158563][ T1234] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.769806][ T4095] [ 71.772158][ T4095] ============================================ [ 71.778301][ T4095] WARNING: possible recursive locking detected [ 71.784510][ T4095] 6.0.0-rc4-syzkaller-00985-g44a8535fb87c #0 Not tainted [ 71.791529][ T4095] -------------------------------------------- [ 71.797836][ T4095] syz-executor.0/4095 is trying to acquire lock: [ 71.804161][ T4095] ffff888072abe130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x69/0x3a0 [ 71.815818][ T4095] [ 71.815818][ T4095] but task is already holding lock: [ 71.823165][ T4095] ffff888072abe130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x52/0x210 [ 71.834463][ T4095] [ 71.834463][ T4095] other info that might help us debug this: [ 71.842524][ T4095] Possible unsafe locking scenario: [ 71.842524][ T4095] [ 71.853791][ T4095] CPU0 [ 71.857580][ T4095] ---- [ 71.860844][ T4095] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 71.866997][ T4095] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 71.873141][ T4095] [ 71.873141][ T4095] *** DEADLOCK *** [ 71.873141][ T4095] [ 71.881285][ T4095] May be due to missing lock nesting notation [ 71.881285][ T4095] [ 71.889689][ T4095] 4 locks held by syz-executor.0/4095: [ 71.895584][ T4095] #0: ffff88806c813210 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x280 [ 71.906196][ T4095] #1: ffff888072abe130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x52/0x210 [ 71.917975][ T4095] #2: ffffffff8da00ac8 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_close+0x2f/0x240 [ 71.927476][ T4095] #3: ffff888145dadd28 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x15d/0x890 [ 71.936777][ T4095] [ 71.936777][ T4095] stack backtrace: [ 71.942648][ T4095] CPU: 1 PID: 4095 Comm: syz-executor.0 Not tainted 6.0.0-rc4-syzkaller-00985-g44a8535fb87c #0 [ 71.952956][ T4095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 71.963104][ T4095] Call Trace: [ 71.966462][ T4095] [ 71.969382][ T4095] dump_stack_lvl+0xcd/0x134 [ 71.974272][ T4095] __lock_acquire.cold+0x116/0x3a7 [ 71.979381][ T4095] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.985373][ T4095] lock_acquire+0x1ab/0x570 [ 71.989874][ T4095] ? rfcomm_sk_state_change+0x69/0x3a0 [ 71.995508][ T4095] ? lock_release+0x780/0x780 [ 72.000187][ T4095] ? __rfcomm_dlc_close+0x15d/0x890 [ 72.005396][ T4095] ? mutex_lock_io_nested+0x1190/0x1190 [ 72.011022][ T4095] ? del_timer+0xc5/0x110 [ 72.015344][ T4095] lock_sock_nested+0x36/0xf0 [ 72.020015][ T4095] ? rfcomm_sk_state_change+0x69/0x3a0 [ 72.025470][ T4095] rfcomm_sk_state_change+0x69/0x3a0 [ 72.030761][ T4095] __rfcomm_dlc_close+0x1b1/0x890 [ 72.035807][ T4095] rfcomm_dlc_close+0x1e5/0x240 [ 72.040652][ T4095] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 72.046538][ T4095] __rfcomm_sock_close+0x13c/0x250 [ 72.051641][ T4095] ? lockdep_hardirqs_on+0x79/0x100 [ 72.057361][ T4095] rfcomm_sock_shutdown+0xcc/0x210 [ 72.062473][ T4095] rfcomm_sock_release+0x64/0x140 [ 72.067496][ T4095] __sock_release+0xcd/0x280 [ 72.072177][ T4095] sock_close+0x18/0x20 [ 72.076322][ T4095] __fput+0x277/0x9d0 [ 72.080307][ T4095] ? __sock_release+0x280/0x280 [ 72.085151][ T4095] task_work_run+0xdd/0x1a0 [ 72.089666][ T4095] get_signal+0x1c3/0x2610 [ 72.094090][ T4095] ? rfcomm_sock_connect+0x155/0x450 [ 72.099382][ T4095] ? lock_downgrade+0x6e0/0x6e0 [ 72.104318][ T4095] ? exit_signals+0x8b0/0x8b0 [ 72.108985][ T4095] ? __local_bh_enable_ip+0xa0/0x120 [ 72.114266][ T4095] ? __local_bh_enable_ip+0xa0/0x120 [ 72.119543][ T4095] arch_do_signal_or_restart+0x82/0x2300 [ 72.125173][ T4095] ? task_work_add+0xa4/0x1f0 [ 72.130114][ T4095] ? fput+0xf2/0x190 [ 72.134223][ T4095] ? get_sigframe_size+0x10/0x10 [ 72.139428][ T4095] ? __sys_connect_file+0x190/0x190 [ 72.144651][ T4095] ? exit_to_user_mode_prepare+0x137/0x250 [ 72.150450][ T4095] exit_to_user_mode_prepare+0x15f/0x250 [ 72.156249][ T4095] syscall_exit_to_user_mode+0x19/0x50 [ 72.161698][ T4095] do_syscall_64+0x42/0xb0 [ 72.166146][ T4095] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 72.172550][ T4095] RIP: 0033:0x4665f9 [ 72.176516][ T4095] 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 [ 72.196588][ T4095] RSP: 002b:00007fb869e6d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 72.205450][ T4095] RAX: fffffffffffffffc RBX: 000000000056bf80 RCX: 00000000004665f9 [ 72.213420][ T4095] RDX: 0000000000000080 RSI: 0000000020000000 RDI: 0000000000000004 [ 72.221558][ T4095] RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 [ 72.229698][ T4095] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 72.237877][ T4095] R13: 00007ffe3e6e4b1f R14: 00007fb869e6d300 R15: 0000000000022000 [ 72.245855][ T4095] [ 72.250397][ T3271] Bluetooth: hci0: command 0x0409 tx timeout [ 74.269554][ T141] Bluetooth: hci0: command 0x041b tx timeout [ 76.270785][ T26] cfg80211: failed to load regulatory.db [ 76.349708][ T141] Bluetooth: hci0: command 0x040f tx timeout [ 78.429518][ T141] Bluetooth: hci0: command 0x0419 tx timeout [ 80.509522][ T141] Bluetooth: hci0: command 0x0405 tx timeout