[ 76.389578][ T14] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.161' (ECDSA) to the list of known hosts. 2022/12/09 00:03:08 ignoring optional flag "sandboxArg"="0" 2022/12/09 00:03:08 parsed 1 programs 2022/12/09 00:03:08 executed programs: 0 [ 77.472115][ T4086] cgroup: Unknown subsys name 'net' [ 77.481320][ T4086] cgroup: Unknown subsys name 'rlimit' [ 80.627772][ T3638] Bluetooth: hci0: Opcode 0x c03 failed: -110 [ 82.717129][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.725070][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.733423][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.741627][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 82.750265][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 82.758076][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 82.766113][ T4094] Bluetooth: hci0: HCI_REQ-0x0c1a [ 82.842249][ T4094] chnl_net:caif_netlink_parms(): no params data found [ 82.881903][ T4094] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.889898][ T4094] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.897711][ T4094] device bridge_slave_0 entered promiscuous mode [ 82.905715][ T4094] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.913294][ T4094] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.921483][ T4094] device bridge_slave_1 entered promiscuous mode [ 82.943623][ T4094] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.954993][ T4094] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.976796][ T4094] team0: Port device team_slave_0 added [ 82.986007][ T4094] team0: Port device team_slave_1 added [ 83.004641][ T4094] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.012388][ T4094] 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. [ 83.039267][ T4094] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.051608][ T4094] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.058889][ T4094] 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. [ 83.086474][ T4094] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.114084][ T4094] device hsr_slave_0 entered promiscuous mode [ 83.121190][ T4094] device hsr_slave_1 entered promiscuous mode [ 83.183698][ T4094] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.190852][ T4094] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.198375][ T4094] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.205458][ T4094] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.245241][ T4094] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.256925][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.265712][ T14] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.274286][ T14] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.282567][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 83.294973][ T4094] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.305860][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.314955][ T14] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.322120][ T14] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.340655][ T3297] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.349257][ T3297] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.356311][ T3297] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.365370][ T3297] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.375527][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.385610][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.400673][ T4094] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 83.412899][ T4094] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.426191][ T3297] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.434712][ T3297] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.443159][ T3297] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.460333][ T3297] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.468292][ T3297] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.480047][ T4094] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.829557][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.839567][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.849024][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.856720][ T151] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.866073][ T4094] device veth0_vlan entered promiscuous mode [ 83.877172][ T4094] device veth1_vlan entered promiscuous mode [ 83.895888][ T4094] device veth0_macvtap entered promiscuous mode [ 83.906486][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.915286][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.924255][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.933276][ T4094] device veth1_macvtap entered promiscuous mode [ 83.948658][ T4094] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.956060][ T3297] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.964157][ T3297] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.973780][ T3297] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.986532][ T4094] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.996880][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 84.005650][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 84.055064][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.078043][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.086898][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.088171][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.096674][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.112333][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 84.788592][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 84.976116][ T4113] [ 84.978477][ T4113] ====================================================== [ 84.985479][ T4113] WARNING: possible circular locking dependency detected [ 84.992631][ T4113] 6.1.0-rc8-syzkaller-00045-gce19275f0103 #0 Not tainted [ 84.999841][ T4113] ------------------------------------------------------ [ 85.006930][ T4113] syz-executor.0/4113 is trying to acquire lock: [ 85.013249][ T4113] ffff888071309130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x52/0x2f0 [ 85.024838][ T4113] [ 85.024838][ T4113] but task is already holding lock: [ 85.032197][ T4113] ffff888070642128 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x276/0x470 [ 85.041149][ T4113] [ 85.041149][ T4113] which lock already depends on the new lock. [ 85.041149][ T4113] [ 85.051542][ T4113] [ 85.051542][ T4113] the existing dependency chain (in reverse order) is: [ 85.060709][ T4113] [ 85.060709][ T4113] -> #2 (&d->lock){+.+.}-{3:3}: [ 85.068010][ T4113] lock_acquire+0x1a7/0x400 [ 85.073374][ T4113] __mutex_lock_common+0x1de/0x26c0 [ 85.079090][ T4113] mutex_lock_nested+0x17/0x20 [ 85.084475][ T4113] __rfcomm_dlc_close+0x276/0x470 [ 85.090088][ T4113] rfcomm_dlc_close+0x10d/0x1c0 [ 85.095508][ T4113] __rfcomm_sock_close+0x101/0x220 [ 85.101227][ T4113] rfcomm_sock_shutdown+0xad/0x230 [ 85.106853][ T4113] rfcomm_sock_release+0x55/0x120 [ 85.112402][ T4113] sock_close+0xd7/0x260 [ 85.117159][ T4113] __fput+0x3ba/0x880 [ 85.121664][ T4113] task_work_run+0x243/0x300 [ 85.126767][ T4113] get_signal+0x1642/0x1810 [ 85.131812][ T4113] arch_do_signal_or_restart+0x8d/0x750 [ 85.137875][ T4113] exit_to_user_mode_loop+0x74/0x160 [ 85.143697][ T4113] exit_to_user_mode_prepare+0xad/0x110 [ 85.149759][ T4113] syscall_exit_to_user_mode+0x2e/0x60 [ 85.155823][ T4113] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 85.162235][ T4113] [ 85.162235][ T4113] -> #1 (rfcomm_mutex){+.+.}-{3:3}: [ 85.169626][ T4113] lock_acquire+0x1a7/0x400 [ 85.174642][ T4113] __mutex_lock_common+0x1de/0x26c0 [ 85.180352][ T4113] mutex_lock_nested+0x17/0x20 [ 85.185625][ T4113] rfcomm_dlc_open+0x25/0x50 [ 85.190727][ T4113] rfcomm_sock_connect+0x285/0x470 [ 85.196352][ T4113] __sys_connect+0x29b/0x2d0 [ 85.201453][ T4113] __x64_sys_connect+0x76/0x80 [ 85.206819][ T4113] do_syscall_64+0x2b/0x70 [ 85.211747][ T4113] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 85.218157][ T4113] [ 85.218157][ T4113] -> #0 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}: [ 85.227553][ T4113] validate_chain+0x184a/0x6470 [ 85.232918][ T4113] __lock_acquire+0x1292/0x1f60 [ 85.238368][ T4113] lock_acquire+0x1a7/0x400 [ 85.243382][ T4113] lock_sock_nested+0x44/0xf0 [ 85.248597][ T4113] rfcomm_sk_state_change+0x52/0x2f0 [ 85.254408][ T4113] __rfcomm_dlc_close+0x2bb/0x470 [ 85.259963][ T4113] rfcomm_dlc_close+0x10d/0x1c0 [ 85.265340][ T4113] __rfcomm_sock_close+0x101/0x220 [ 85.271002][ T4113] rfcomm_sock_shutdown+0xad/0x230 [ 85.276733][ T4113] rfcomm_sock_release+0x55/0x120 [ 85.282298][ T4113] sock_close+0xd7/0x260 [ 85.287231][ T4113] __fput+0x3ba/0x880 [ 85.291956][ T4113] task_work_run+0x243/0x300 [ 85.297063][ T4113] get_signal+0x1642/0x1810 [ 85.302088][ T4113] arch_do_signal_or_restart+0x8d/0x750 [ 85.308426][ T4113] exit_to_user_mode_loop+0x74/0x160 [ 85.314234][ T4113] exit_to_user_mode_prepare+0xad/0x110 [ 85.320384][ T4113] syscall_exit_to_user_mode+0x2e/0x60 [ 85.326404][ T4113] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 85.333157][ T4113] [ 85.333157][ T4113] other info that might help us debug this: [ 85.333157][ T4113] [ 85.343634][ T4113] Chain exists of: [ 85.343634][ T4113] sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM --> rfcomm_mutex --> &d->lock [ 85.343634][ T4113] [ 85.357523][ T4113] Possible unsafe locking scenario: [ 85.357523][ T4113] [ 85.364984][ T4113] CPU0 CPU1 [ 85.370426][ T4113] ---- ---- [ 85.375779][ T4113] lock(&d->lock); [ 85.379577][ T4113] lock(rfcomm_mutex); [ 85.386251][ T4113] lock(&d->lock); [ 85.392562][ T4113] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 85.398704][ T4113] [ 85.398704][ T4113] *** DEADLOCK *** [ 85.398704][ T4113] [ 85.407006][ T4113] 3 locks held by syz-executor.0/4113: [ 85.412451][ T4113] #0: ffff888072d71410 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: sock_close+0x93/0x260 [ 85.422620][ T4113] #1: ffffffff8e5df548 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_close+0x32/0x1c0 [ 85.432008][ T4113] #2: ffff888070642128 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x276/0x470 [ 85.441305][ T4113] [ 85.441305][ T4113] stack backtrace: [ 85.447186][ T4113] CPU: 1 PID: 4113 Comm: syz-executor.0 Not tainted 6.1.0-rc8-syzkaller-00045-gce19275f0103 #0 [ 85.457546][ T4113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 85.467601][ T4113] Call Trace: [ 85.470883][ T4113] [ 85.473806][ T4113] dump_stack_lvl+0x1e3/0x2cb [ 85.478484][ T4113] ? nf_tcp_handle_invalid+0x62e/0x62e [ 85.484025][ T4113] ? print_circular_bug+0x13e/0x1c0 [ 85.489221][ T4113] check_noncircular+0x2f9/0x3b0 [ 85.494153][ T4113] ? add_chain_block+0x850/0x850 [ 85.499169][ T4113] ? lockdep_lock+0x11d/0x2a0 [ 85.504110][ T4113] ? _find_first_zero_bit+0xe8/0x110 [ 85.509392][ T4113] validate_chain+0x184a/0x6470 [ 85.514284][ T4113] ? reacquire_held_locks+0x680/0x680 [ 85.519733][ T4113] ? register_lock_class+0xfe/0x9b0 [ 85.525095][ T4113] ? is_dynamic_key+0x1f0/0x1f0 [ 85.529942][ T4113] ? mark_lock+0x9a/0x350 [ 85.534354][ T4113] ? __lock_acquire+0x1292/0x1f60 [ 85.539379][ T4113] ? mark_lock+0x9a/0x350 [ 85.543700][ T4113] __lock_acquire+0x1292/0x1f60 [ 85.548540][ T4113] lock_acquire+0x1a7/0x400 [ 85.553028][ T4113] ? rfcomm_sk_state_change+0x52/0x2f0 [ 85.558489][ T4113] ? read_lock_is_recursive+0x10/0x10 [ 85.563848][ T4113] ? __mutex_lock_common+0x45d/0x26c0 [ 85.569212][ T4113] ? del_timer+0x340/0x3d0 [ 85.573621][ T4113] ? __rfcomm_dlc_close+0x276/0x470 [ 85.578815][ T4113] ? mutex_lock_io_nested+0x60/0x60 [ 85.584018][ T4113] lock_sock_nested+0x44/0xf0 [ 85.588691][ T4113] ? rfcomm_sk_state_change+0x52/0x2f0 [ 85.594144][ T4113] rfcomm_sk_state_change+0x52/0x2f0 [ 85.599421][ T4113] __rfcomm_dlc_close+0x2bb/0x470 [ 85.604625][ T4113] rfcomm_dlc_close+0x10d/0x1c0 [ 85.609517][ T4113] __rfcomm_sock_close+0x101/0x220 [ 85.614623][ T4113] rfcomm_sock_shutdown+0xad/0x230 [ 85.619729][ T4113] rfcomm_sock_release+0x55/0x120 [ 85.624838][ T4113] sock_close+0xd7/0x260 [ 85.629071][ T4113] ? __fput+0x3b2/0x880 [ 85.633221][ T4113] ? sock_mmap+0x90/0x90 [ 85.637536][ T4113] __fput+0x3ba/0x880 [ 85.641532][ T4113] task_work_run+0x243/0x300 [ 85.646124][ T4113] ? task_work_cancel+0x290/0x290 [ 85.651144][ T4113] get_signal+0x1642/0x1810 [ 85.655636][ T4113] ? kick_process+0xd6/0x140 [ 85.660219][ T4113] ? task_work_add+0x2e6/0x340 [ 85.664974][ T4113] ? rcu_lock_release+0x20/0x20 [ 85.669902][ T4113] ? ptrace_notify+0x340/0x340 [ 85.674660][ T4113] arch_do_signal_or_restart+0x8d/0x750 [ 85.680281][ T4113] ? __sys_connect+0x157/0x2d0 [ 85.685053][ T4113] ? get_sigframe_size+0x10/0x10 [ 85.689984][ T4113] ? exit_to_user_mode_loop+0x42/0x160 [ 85.695436][ T4113] exit_to_user_mode_loop+0x74/0x160 [ 85.700982][ T4113] exit_to_user_mode_prepare+0xad/0x110 [ 85.706788][ T4113] syscall_exit_to_user_mode+0x2e/0x60 [ 85.712252][ T4113] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 85.718154][ T4113] RIP: 0033:0x7f2f90489049 [ 85.723276][ T4113] 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 [ 85.743317][ T4113] RSP: 002b:00007f2f9162a168 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 85.752642][ T4113] RAX: fffffffffffffffc RBX: 00007f2f9059bf60 RCX: 00007f2f90489049 [ 85.760611][ T4113] RDX: 0000000000000080 RSI: 0000000020000000 RDI: 0000000000000004 [ 85.768572][ T4113] RBP: 00007f2f904e308d R08: 0000000000000000 R09: 0000000000000000 2022/12/09 00:03:16 executed programs: 1 [ 85.776538][ T4113] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.784511][ T4113] R13: 00007ffdea616e9f R14: 00007f2f9162a300 R15: 0000000000022000 [ 85.792654][ T4113] [ 86.867734][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 88.948092][ T48] Bluetooth: hci0: command 0x040f tx timeout 2022/12/09 00:03:22 executed programs: 7 [ 91.028510][ T48] Bluetooth: hci0: command 0x0419 tx timeout [ 93.107790][ T48] Bluetooth: hci0: command 0x0405 tx timeout