Warning: Permanently added '10.128.0.62' (ECDSA) to the list of known hosts. [ 76.359984][ T14] cfg80211: failed to load regulatory.db 2022/09/18 18:36:23 ignoring optional flag "sandboxArg"="0" 2022/09/18 18:36:23 parsed 1 programs 2022/09/18 18:36:24 executed programs: 0 [ 78.281319][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.289514][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.297382][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 78.305897][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.314028][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 78.321468][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.394532][ T4067] chnl_net:caif_netlink_parms(): no params data found [ 78.432569][ T4067] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.440442][ T4067] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.448461][ T4067] device bridge_slave_0 entered promiscuous mode [ 78.457879][ T4067] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.465001][ T4067] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.473036][ T4067] device bridge_slave_1 entered promiscuous mode [ 78.494280][ T4067] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.505418][ T4067] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.528901][ T4067] team0: Port device team_slave_0 added [ 78.537212][ T4067] team0: Port device team_slave_1 added [ 78.555268][ T4067] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.562329][ T4067] 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. [ 78.589598][ T4067] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.601956][ T4067] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.609160][ T4067] 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. [ 78.635489][ T4067] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.660877][ T4067] device hsr_slave_0 entered promiscuous mode [ 78.668131][ T4067] device hsr_slave_1 entered promiscuous mode [ 78.730237][ T4067] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.737366][ T4067] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.745003][ T4067] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.752394][ T4067] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.792702][ T4067] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.804835][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.813841][ T141] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.821738][ T141] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.830540][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.842665][ T4067] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.853493][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.863153][ T141] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.870741][ T141] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.890060][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.898931][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.907130][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.916022][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.927628][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.935604][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.951766][ T4067] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 78.962789][ T4067] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.975887][ T1148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.985538][ T1148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.994261][ T1148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.013049][ T4067] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.023693][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 79.031873][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 79.227729][ T3328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.241596][ T4067] device veth0_vlan entered promiscuous mode [ 79.249201][ T3328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.259055][ T3328] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.267276][ T3328] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.279906][ T4067] device veth1_vlan entered promiscuous mode [ 79.299011][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.307860][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.315918][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.326752][ T4067] device veth0_macvtap entered promiscuous mode [ 79.335450][ T4067] device veth1_macvtap entered promiscuous mode [ 79.354475][ T4067] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.362518][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.373041][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.384108][ T4067] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.392762][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.402613][ T141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 80.293397][ T4086] [ 80.295764][ T4086] ============================================ [ 80.301992][ T4086] WARNING: possible recursive locking detected [ 80.308128][ T4086] 6.0.0-rc4-syzkaller-00985-g44a8535fb87c #0 Not tainted [ 80.315132][ T4086] -------------------------------------------- [ 80.321453][ T4086] syz-executor.0/4086 is trying to acquire lock: [ 80.327846][ T4086] ffff88807b052130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x69/0x3a0 [ 80.339333][ T4086] [ 80.339333][ T4086] but task is already holding lock: [ 80.346779][ T4086] ffff88807b052130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x52/0x210 [ 80.358097][ T4086] [ 80.358097][ T4086] other info that might help us debug this: [ 80.366159][ T4086] Possible unsafe locking scenario: [ 80.366159][ T4086] [ 80.373618][ T4086] CPU0 [ 80.376880][ T4086] ---- [ 80.380142][ T4086] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 80.386384][ T4086] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 80.393269][ T4086] [ 80.393269][ T4086] *** DEADLOCK *** [ 80.393269][ T4086] [ 80.401536][ T4086] May be due to missing lock nesting notation [ 80.401536][ T4086] [ 80.409969][ T4086] 4 locks held by syz-executor.0/4086: [ 80.415425][ T4086] #0: ffff888073906e10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x280 [ 80.426247][ T4086] #1: ffff88807b052130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sock_shutdown+0x52/0x210 [ 80.438102][ T4086] #2: ffffffff8da00ac8 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_close+0x2f/0x240 [ 80.447633][ T4086] #3: ffff888147f34128 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x15d/0x890 [ 80.456975][ T4086] [ 80.456975][ T4086] stack backtrace: [ 80.462859][ T4086] CPU: 1 PID: 4086 Comm: syz-executor.0 Not tainted 6.0.0-rc4-syzkaller-00985-g44a8535fb87c #0 [ 80.473462][ T4086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 80.483530][ T4086] Call Trace: [ 80.486892][ T4086] [ 80.489995][ T4086] dump_stack_lvl+0xcd/0x134 [ 80.494762][ T4086] __lock_acquire.cold+0x116/0x3a7 [ 80.499970][ T4086] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 80.505957][ T4086] lock_acquire+0x1ab/0x570 [ 80.510487][ T4086] ? rfcomm_sk_state_change+0x69/0x3a0 [ 80.515962][ T4086] ? lock_release+0x780/0x780 [ 80.520647][ T4086] ? __rfcomm_dlc_close+0x15d/0x890 [ 80.525866][ T4086] ? mutex_lock_io_nested+0x1190/0x1190 [ 80.531423][ T4086] ? lockdep_hardirqs_on+0x79/0x100 [ 80.538021][ T4086] ? del_timer+0xc5/0x110 [ 80.542387][ T4086] lock_sock_nested+0x36/0xf0 [ 80.547092][ T4086] ? rfcomm_sk_state_change+0x69/0x3a0 [ 80.552654][ T4086] rfcomm_sk_state_change+0x69/0x3a0 [ 80.557956][ T4086] __rfcomm_dlc_close+0x1b1/0x890 [ 80.562985][ T4086] rfcomm_dlc_close+0x1e5/0x240 [ 80.567933][ T4086] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 80.573841][ T4086] __rfcomm_sock_close+0x13c/0x250 [ 80.579239][ T4086] ? lockdep_hardirqs_on+0x79/0x100 [ 80.584549][ T4086] rfcomm_sock_shutdown+0xcc/0x210 [ 80.589693][ T4086] rfcomm_sock_release+0x64/0x140 [ 80.594745][ T4086] __sock_release+0xcd/0x280 [ 80.599439][ T4086] sock_close+0x18/0x20 [ 80.603602][ T4086] __fput+0x277/0x9d0 [ 80.607625][ T4086] ? __sock_release+0x280/0x280 [ 80.612496][ T4086] task_work_run+0xdd/0x1a0 [ 80.617005][ T4086] get_signal+0x1c3/0x2610 [ 80.621564][ T4086] ? rfcomm_sock_connect+0x155/0x450 [ 80.626876][ T4086] ? lock_downgrade+0x6e0/0x6e0 [ 80.632092][ T4086] ? exit_signals+0x8b0/0x8b0 [ 80.636785][ T4086] ? __local_bh_enable_ip+0xa0/0x120 [ 80.642084][ T4086] ? __local_bh_enable_ip+0xa0/0x120 [ 80.647373][ T4086] arch_do_signal_or_restart+0x82/0x2300 [ 80.653044][ T4086] ? task_work_add+0xa4/0x1f0 [ 80.657809][ T4086] ? fput+0xf2/0x190 [ 80.661797][ T4086] ? get_sigframe_size+0x10/0x10 [ 80.666832][ T4086] ? __sys_connect_file+0x190/0x190 [ 80.672055][ T4086] ? exit_to_user_mode_prepare+0x137/0x250 [ 80.677869][ T4086] exit_to_user_mode_prepare+0x15f/0x250 [ 80.683553][ T4086] syscall_exit_to_user_mode+0x19/0x50 [ 80.689019][ T4086] do_syscall_64+0x42/0xb0 [ 80.693448][ T4086] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 80.699365][ T4086] RIP: 0033:0x4665f9 [ 80.703266][ T4086] 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 [ 80.723067][ T4086] RSP: 002b:00007f544c082188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 80.731569][ T4086] RAX: fffffffffffffffc RBX: 000000000056bf80 RCX: 00000000004665f9 [ 80.739542][ T4086] RDX: 0000000000000080 RSI: 0000000020000000 RDI: 0000000000000004 [ 80.747512][ T4086] RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 [ 80.755484][ T4086] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 80.763456][ T4086] R13: 00007ffd857c264f R14: 00007f544c082300 R15: 0000000000022000 [ 80.771457][ T4086] [ 80.776607][ T3328] Bluetooth: hci0: command 0x0409 tx timeout [ 82.836955][ T141] Bluetooth: hci0: command 0x041b tx timeout [ 84.916699][ T1148] Bluetooth: hci0: command 0x040f tx timeout [ 86.996350][ T1148] Bluetooth: hci0: command 0x0419 tx timeout [ 89.076319][ T1148] Bluetooth: hci0: command 0x0405 tx timeout