[ 75.979435][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.37' (ECDSA) to the list of known hosts. 2022/12/28 02:07:35 ignoring optional flag "sandboxArg"="0" 2022/12/28 02:07:35 parsed 1 programs 2022/12/28 02:07:35 executed programs: 0 [ 80.138445][ T5068] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 84.298500][ T5068] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 88.458461][ T5068] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 90.542640][ T4391] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 90.550365][ T4391] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 90.557829][ T4391] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 90.566238][ T4391] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 90.573767][ T4391] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 90.581140][ T4391] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 90.645258][ T5535] chnl_net:caif_netlink_parms(): no params data found [ 90.680282][ T5535] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.687384][ T5535] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.695292][ T5535] device bridge_slave_0 entered promiscuous mode [ 90.703690][ T5535] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.710891][ T5535] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.718578][ T5535] device bridge_slave_1 entered promiscuous mode [ 90.736005][ T5535] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.746679][ T5535] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.767639][ T5535] team0: Port device team_slave_0 added [ 90.774643][ T5535] team0: Port device team_slave_1 added [ 90.790256][ T5535] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.797197][ T5535] 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. [ 90.823268][ T5535] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.835386][ T5535] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.843387][ T5535] 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. [ 90.869366][ T5535] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 90.893438][ T5535] device hsr_slave_0 entered promiscuous mode [ 90.900171][ T5535] device hsr_slave_1 entered promiscuous mode [ 90.952479][ T5535] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.959591][ T5535] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.966875][ T5535] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.973942][ T5535] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.007378][ T5535] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.020617][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 91.029991][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.037377][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.046097][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 91.057154][ T5535] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.066999][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.075690][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.082783][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.101030][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.109494][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.116530][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.131585][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 91.139350][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 91.150998][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 91.160704][ T5535] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 91.176409][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 91.184199][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 91.194542][ T5535] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.508123][ T5535] device veth0_vlan entered promiscuous mode [ 91.515544][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 91.524651][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 91.532967][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 91.540627][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 91.552149][ T5535] device veth1_vlan entered promiscuous mode [ 91.561236][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 91.577470][ T5535] device veth0_macvtap entered promiscuous mode [ 91.585336][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 91.593838][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 91.602476][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 91.612798][ T5535] device veth1_macvtap entered promiscuous mode [ 91.627700][ T5535] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.635923][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 91.647496][ T5535] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.655696][ T5081] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 91.664569][ T5081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 91.706810][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.723424][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.733887][ T5081] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 91.734089][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.754854][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.764675][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 92.625523][ T5555] [ 92.627869][ T5555] ====================================================== [ 92.629136][ T5068] Bluetooth: hci0: command 0x0409 tx timeout [ 92.634857][ T5555] WARNING: possible circular locking dependency detected [ 92.634865][ T5555] 6.1.0-syzkaller-12784-gc183e6c3ec34 #0 Not tainted [ 92.654469][ T5555] ------------------------------------------------------ [ 92.661466][ T5555] syz-executor.0/5555 is trying to acquire lock: [ 92.667783][ T5555] ffff888079113130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x6d/0x3a0 [ 92.679281][ T5555] [ 92.679281][ T5555] but task is already holding lock: [ 92.686633][ T5555] ffff88806e8a1528 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x15d/0x890 [ 92.695482][ T5555] [ 92.695482][ T5555] which lock already depends on the new lock. [ 92.695482][ T5555] [ 92.705867][ T5555] [ 92.705867][ T5555] the existing dependency chain (in reverse order) is: [ 92.715291][ T5555] [ 92.715291][ T5555] -> #2 (&d->lock){+.+.}-{3:3}: [ 92.722304][ T5555] __mutex_lock+0x12f/0x1360 [ 92.727489][ T5555] __rfcomm_dlc_close+0x15d/0x890 [ 92.733017][ T5555] rfcomm_dlc_close+0x1e9/0x240 [ 92.738380][ T5555] __rfcomm_sock_close+0x13c/0x250 [ 92.743994][ T5555] rfcomm_sock_shutdown+0xd8/0x230 [ 92.749606][ T5555] rfcomm_sock_release+0x68/0x140 [ 92.755143][ T5555] __sock_release+0xcd/0x280 [ 92.760236][ T5555] sock_close+0x1c/0x20 [ 92.764904][ T5555] __fput+0x27c/0xa90 [ 92.769399][ T5555] task_work_run+0x16f/0x270 [ 92.774510][ T5555] get_signal+0x1c7/0x2450 [ 92.779442][ T5555] arch_do_signal_or_restart+0x79/0x5c0 [ 92.785589][ T5555] exit_to_user_mode_prepare+0x15f/0x250 [ 92.791722][ T5555] syscall_exit_to_user_mode+0x1d/0x50 [ 92.797788][ T5555] do_syscall_64+0x46/0xb0 [ 92.802728][ T5555] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 92.809142][ T5555] [ 92.809142][ T5555] -> #1 (rfcomm_mutex){+.+.}-{3:3}: [ 92.816504][ T5555] __mutex_lock+0x12f/0x1360 [ 92.821614][ T5555] rfcomm_dlc_open+0x93/0xa80 [ 92.826795][ T5555] rfcomm_sock_connect+0x329/0x450 [ 92.832412][ T5555] __sys_connect_file+0x153/0x1a0 [ 92.837950][ T5555] __sys_connect+0x165/0x1a0 [ 92.843046][ T5555] __x64_sys_connect+0x73/0xb0 [ 92.848328][ T5555] do_syscall_64+0x39/0xb0 [ 92.853273][ T5555] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 92.859675][ T5555] [ 92.859675][ T5555] -> #0 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}: [ 92.869142][ T5555] __lock_acquire+0x2a43/0x56d0 [ 92.874495][ T5555] lock_acquire+0x1e3/0x630 [ 92.879510][ T5555] lock_sock_nested+0x3a/0xf0 [ 92.884701][ T5555] rfcomm_sk_state_change+0x6d/0x3a0 [ 92.890497][ T5555] __rfcomm_dlc_close+0x1b1/0x890 [ 92.896114][ T5555] rfcomm_dlc_close+0x1e9/0x240 [ 92.901471][ T5555] __rfcomm_sock_close+0x13c/0x250 [ 92.907335][ T5555] rfcomm_sock_shutdown+0xd8/0x230 [ 92.912952][ T5555] rfcomm_sock_release+0x68/0x140 [ 92.918504][ T5555] __sock_release+0xcd/0x280 [ 92.923598][ T5555] sock_close+0x1c/0x20 [ 92.928255][ T5555] __fput+0x27c/0xa90 [ 92.932751][ T5555] task_work_run+0x16f/0x270 [ 92.937886][ T5555] get_signal+0x1c7/0x2450 [ 92.942812][ T5555] arch_do_signal_or_restart+0x79/0x5c0 [ 92.948869][ T5555] exit_to_user_mode_prepare+0x15f/0x250 [ 92.955016][ T5555] syscall_exit_to_user_mode+0x1d/0x50 [ 92.960987][ T5555] do_syscall_64+0x46/0xb0 [ 92.965919][ T5555] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 92.972333][ T5555] [ 92.972333][ T5555] other info that might help us debug this: [ 92.972333][ T5555] [ 92.982544][ T5555] Chain exists of: [ 92.982544][ T5555] sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM --> rfcomm_mutex --> &d->lock [ 92.982544][ T5555] [ 92.996421][ T5555] Possible unsafe locking scenario: [ 92.996421][ T5555] [ 93.003858][ T5555] CPU0 CPU1 [ 93.009198][ T5555] ---- ---- [ 93.014541][ T5555] lock(&d->lock); [ 93.018334][ T5555] lock(rfcomm_mutex); [ 93.025000][ T5555] lock(&d->lock); [ 93.031308][ T5555] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 93.037454][ T5555] [ 93.037454][ T5555] *** DEADLOCK *** [ 93.037454][ T5555] [ 93.045574][ T5555] 3 locks held by syz-executor.0/5555: [ 93.051004][ T5555] #0: ffff888077252010 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x280 [ 93.061514][ T5555] #1: ffffffff8e3141c8 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_close+0x33/0x240 [ 93.070893][ T5555] #2: ffff88806e8a1528 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x15d/0x890 [ 93.080262][ T5555] [ 93.080262][ T5555] stack backtrace: [ 93.086143][ T5555] CPU: 0 PID: 5555 Comm: syz-executor.0 Not tainted 6.1.0-syzkaller-12784-gc183e6c3ec34 #0 [ 93.096095][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 93.106126][ T5555] Call Trace: [ 93.109384][ T5555] [ 93.112302][ T5555] dump_stack_lvl+0xd1/0x138 [ 93.116884][ T5555] check_noncircular+0x25f/0x2e0 [ 93.121800][ T5555] ? __lock_acquire+0x2567/0x56d0 [ 93.126809][ T5555] ? print_circular_bug+0x1e0/0x1e0 [ 93.131996][ T5555] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 93.137957][ T5555] __lock_acquire+0x2a43/0x56d0 [ 93.142791][ T5555] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 93.148759][ T5555] lock_acquire+0x1e3/0x630 [ 93.153255][ T5555] ? rfcomm_sk_state_change+0x6d/0x3a0 [ 93.158698][ T5555] ? lock_release+0x810/0x810 [ 93.163359][ T5555] ? __rfcomm_dlc_close+0x15d/0x890 [ 93.168562][ T5555] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 93.174361][ T5555] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 93.179895][ T5555] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 93.185681][ T5555] ? __timer_delete+0xe8/0x1b0 [ 93.190434][ T5555] lock_sock_nested+0x3a/0xf0 [ 93.195093][ T5555] ? rfcomm_sk_state_change+0x6d/0x3a0 [ 93.200545][ T5555] rfcomm_sk_state_change+0x6d/0x3a0 [ 93.205813][ T5555] __rfcomm_dlc_close+0x1b1/0x890 [ 93.210817][ T5555] rfcomm_dlc_close+0x1e9/0x240 [ 93.215736][ T5555] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 93.221619][ T5555] __rfcomm_sock_close+0x13c/0x250 [ 93.226714][ T5555] ? lockdep_hardirqs_on+0x7d/0x100 [ 93.231997][ T5555] rfcomm_sock_shutdown+0xd8/0x230 [ 93.237175][ T5555] rfcomm_sock_release+0x68/0x140 [ 93.242188][ T5555] __sock_release+0xcd/0x280 [ 93.246771][ T5555] sock_close+0x1c/0x20 [ 93.250916][ T5555] __fput+0x27c/0xa90 [ 93.254878][ T5555] ? __sock_release+0x280/0x280 [ 93.259712][ T5555] task_work_run+0x16f/0x270 [ 93.264288][ T5555] ? task_work_cancel+0x30/0x30 [ 93.269132][ T5555] ? rfcomm_sock_connect+0x159/0x450 [ 93.274426][ T5555] get_signal+0x1c7/0x2450 [ 93.278839][ T5555] ? task_work_func_match+0x40/0x40 [ 93.284049][ T5555] ? exit_signals+0x8b0/0x8b0 [ 93.288709][ T5555] ? rfcomm_sock_connect+0x15e/0x450 [ 93.293981][ T5555] arch_do_signal_or_restart+0x79/0x5c0 [ 93.299529][ T5555] ? get_sigframe_size+0x10/0x10 [ 93.304459][ T5555] exit_to_user_mode_prepare+0x15f/0x250 [ 93.310089][ T5555] syscall_exit_to_user_mode+0x1d/0x50 [ 93.315548][ T5555] do_syscall_64+0x46/0xb0 [ 93.319960][ T5555] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 93.325844][ T5555] RIP: 0033:0x4665f9 [ 93.329724][ T5555] 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 [ 93.349411][ T5555] RSP: 002b:00007f41c92f1188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 93.357809][ T5555] RAX: fffffffffffffffc RBX: 000000000056bf80 RCX: 00000000004665f9 [ 93.365762][ T5555] RDX: 0000000000000080 RSI: 0000000020000000 RDI: 0000000000000004 2022/12/28 02:07:52 executed programs: 1 [ 93.373718][ T5555] RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 [ 93.381674][ T5555] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 93.389631][ T5555] R13: 00007fff5186ed4f R14: 00007f41c92f1300 R15: 0000000000022000 [ 93.397611][ T5555] [ 94.698423][ T4391] Bluetooth: hci0: command 0x041b tx timeout [ 96.788413][ T4391] Bluetooth: hci0: command 0x040f tx timeout 2022/12/28 02:07:57 executed programs: 7 [ 98.858387][ T4391] Bluetooth: hci0: command 0x0419 tx timeout [ 100.938412][ T4391] Bluetooth: hci0: command 0x0405 tx timeout