[ 76.497722][ T2213] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts. 2023/04/17 09:15:03 ignoring optional flag "sandboxArg"="0" 2023/04/17 09:15:03 parsed 1 programs 2023/04/17 09:15:03 executed programs: 0 [ 78.642875][ T5515] cgroup: Unknown subsys name 'net' [ 78.655365][ T5515] cgroup: Unknown subsys name 'rlimit' [ 79.783825][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 79.791974][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 79.800153][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 79.808102][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 79.816616][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 79.823929][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 79.900630][ T5525] chnl_net:caif_netlink_parms(): no params data found [ 79.939212][ T5525] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.946467][ T5525] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.953577][ T5525] bridge_slave_0: entered allmulticast mode [ 79.961116][ T5525] bridge_slave_0: entered promiscuous mode [ 79.969149][ T5525] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.976428][ T5525] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.983906][ T5525] bridge_slave_1: entered allmulticast mode [ 79.990561][ T5525] bridge_slave_1: entered promiscuous mode [ 80.010292][ T5525] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.021444][ T5525] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.045031][ T5525] team0: Port device team_slave_0 added [ 80.052624][ T5525] team0: Port device team_slave_1 added [ 80.071569][ T5525] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.078829][ T5525] 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. [ 80.104859][ T5525] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.117652][ T5525] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.124626][ T5525] 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. [ 80.150815][ T5525] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.177863][ T5525] hsr_slave_0: entered promiscuous mode [ 80.184165][ T5525] hsr_slave_1: entered promiscuous mode [ 80.246044][ T5525] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.253261][ T5525] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.261028][ T5525] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.268136][ T5525] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.306541][ T5525] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.318640][ T5094] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.328217][ T5094] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.336487][ T5094] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.344625][ T5094] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 80.357935][ T5525] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.369414][ T5094] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.378360][ T5094] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.385656][ T5094] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.406317][ T5094] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.414811][ T5094] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.422017][ T5094] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.430633][ T5094] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.445459][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.453674][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.462908][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.474833][ T896] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.484803][ T5525] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.500616][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.508948][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.520423][ T5525] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.867685][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.877228][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.885460][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.893691][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 80.904323][ T5525] veth0_vlan: entered promiscuous mode [ 80.915724][ T5525] veth1_vlan: entered promiscuous mode [ 80.932175][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 80.941378][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 80.953164][ T5525] veth0_macvtap: entered promiscuous mode [ 80.962825][ T5525] veth1_macvtap: entered promiscuous mode [ 80.976656][ T5525] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.983983][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 80.993314][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 81.002138][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.010760][ T2488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.022904][ T5525] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.030541][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 81.039370][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 81.090970][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.100320][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.111335][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 81.128256][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.136806][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.145889][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 81.189110][ T5552] [ 81.191472][ T5552] ============================================ [ 81.197611][ T5552] WARNING: possible recursive locking detected [ 81.203751][ T5552] 6.3.0-rc7-syzkaller-g6a8f57ae2eb0 #0 Not tainted [ 81.210238][ T5552] -------------------------------------------- [ 81.216409][ T5552] syz-executor.0/5552 is trying to acquire lock: [ 81.222814][ T5552] ffff88802a4864d8 (_xmit_ETHER#2){+.-.}-{2:2}, at: __dev_queue_xmit+0x2dba/0x3c40 [ 81.232475][ T5552] [ 81.232475][ T5552] but task is already holding lock: [ 81.239839][ T5552] ffff8880221a54d8 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x31c/0xc30 [ 81.249174][ T5552] [ 81.249174][ T5552] other info that might help us debug this: [ 81.257430][ T5552] Possible unsafe locking scenario: [ 81.257430][ T5552] [ 81.264901][ T5552] CPU0 [ 81.268270][ T5552] ---- [ 81.271547][ T5552] lock(_xmit_ETHER#2); [ 81.275782][ T5552] lock(_xmit_ETHER#2); [ 81.280020][ T5552] [ 81.280020][ T5552] *** DEADLOCK *** [ 81.280020][ T5552] [ 81.288250][ T5552] May be due to missing lock nesting notation [ 81.288250][ T5552] [ 81.296829][ T5552] 6 locks held by syz-executor.0/5552: [ 81.302290][ T5552] #0: ffffffff8c795560 (rcu_read_lock_bh){....}-{1:2}, at: ip_finish_output2+0x29a/0x22e0 [ 81.312415][ T5552] #1: ffffffff8c795560 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x23f/0x3c40 [ 81.322334][ T5552] #2: ffff88801e9bd258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: __dev_queue_xmit+0x13ce/0x3c40 [ 81.334777][ T5552] #3: ffff8880221a54d8 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x31c/0xc30 [ 81.344303][ T5552] #4: ffffffff8c795560 (rcu_read_lock_bh){....}-{1:2}, at: ip_finish_output2+0x29a/0x22e0 [ 81.354481][ T5552] #5: ffffffff8c795560 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x23f/0x3c40 [ 81.364405][ T5552] [ 81.364405][ T5552] stack backtrace: [ 81.370300][ T5552] CPU: 0 PID: 5552 Comm: syz-executor.0 Not tainted 6.3.0-rc7-syzkaller-g6a8f57ae2eb0 #0 [ 81.380104][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 81.390432][ T5552] Call Trace: [ 81.393722][ T5552] [ 81.396648][ T5552] dump_stack_lvl+0xd9/0x150 [ 81.402738][ T5552] __lock_acquire+0x1362/0x5d40 [ 81.407600][ T5552] ? udpv6_sendmsg+0x180a/0x2d50 [ 81.412715][ T5552] ? inet6_sendmsg+0x9d/0xe0 [ 81.417320][ T5552] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 81.423294][ T5552] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 81.429186][ T5552] ? skb_checksum+0x94/0xc0 [ 81.433777][ T5552] lock_acquire+0x1af/0x520 [ 81.438447][ T5552] ? __dev_queue_xmit+0x2dba/0x3c40 [ 81.443666][ T5552] ? lock_release+0x670/0x670 [ 81.448442][ T5552] ? validate_xmit_skb+0x816/0xe60 [ 81.453552][ T5552] _raw_spin_lock+0x2e/0x40 [ 81.459371][ T5552] ? __dev_queue_xmit+0x2dba/0x3c40 [ 81.464565][ T5552] __dev_queue_xmit+0x2dba/0x3c40 [ 81.469597][ T5552] ? print_usage_bug.part.0+0x660/0x660 [ 81.475245][ T5552] ? netdev_core_pick_tx+0x350/0x350 [ 81.480878][ T5552] ? find_held_lock+0x2d/0x110 [ 81.486295][ T5552] ? ip_finish_output2+0x78a/0x22e0 [ 81.491511][ T5552] ? lock_downgrade+0x690/0x690 [ 81.496397][ T5552] ? mark_held_locks+0x9f/0xe0 [ 81.501177][ T5552] ? skb_push+0x9b/0xe0 [ 81.505346][ T5552] neigh_resolve_output+0x51b/0x870 [ 81.510557][ T5552] ip_finish_output2+0x78a/0x22e0 [ 81.515603][ T5552] ? nf_hook+0x20d/0x640 [ 81.519936][ T5552] ? ip_fragment.constprop.0+0x240/0x240 [ 81.525574][ T5552] ? ip_mc_finish_output+0x5a0/0x5a0 [ 81.530865][ T5552] ? lockdep_hardirqs_on+0x7d/0x100 [ 81.536087][ T5552] __ip_finish_output+0x396/0x650 [ 81.541224][ T5552] ip_finish_output+0x31/0x280 [ 81.545999][ T5552] ip_output+0x1a3/0x320 [ 81.550275][ T5552] ip_local_out+0xb3/0x1a0 [ 81.554692][ T5552] iptunnel_xmit+0x67e/0x9f0 [ 81.559293][ T5552] ip_tunnel_xmit+0xfb4/0x3150 [ 81.564070][ T5552] ? ip_md_tunnel_xmit+0x1830/0x1830 [ 81.569584][ T5552] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 81.575596][ T5552] ? __gre_xmit+0x4f4/0x9a0 [ 81.580101][ T5552] erspan_xmit+0x1124/0x2750 [ 81.584690][ T5552] dev_hard_start_xmit+0x187/0x700 [ 81.589808][ T5552] sch_direct_xmit+0x1a3/0xc30 [ 81.594623][ T5552] ? lock_release+0x670/0x670 [ 81.599311][ T5552] ? dev_watchdog+0x830/0x830 [ 81.604087][ T5552] ? do_raw_spin_trylock+0xb4/0x180 [ 81.609280][ T5552] ? do_raw_spin_lock+0x270/0x2b0 [ 81.614305][ T5552] ? __lock_acquire+0x27b0/0x5d40 [ 81.619327][ T5552] __dev_queue_xmit+0x15fd/0x3c40 [ 81.624530][ T5552] ? netdev_core_pick_tx+0x350/0x350 [ 81.629825][ T5552] ? find_held_lock+0x2d/0x110 [ 81.634626][ T5552] ? ip_finish_output2+0x78a/0x22e0 [ 81.640001][ T5552] ? lock_downgrade+0x690/0x690 [ 81.645050][ T5552] ? do_raw_write_lock+0x11e/0x3b0 [ 81.650169][ T5552] ? neigh_resolve_output+0x669/0x870 [ 81.655800][ T5552] ? skb_push+0x9b/0xe0 [ 81.659962][ T5552] neigh_resolve_output+0x51b/0x870 [ 81.665161][ T5552] ip_finish_output2+0x78a/0x22e0 [ 81.670190][ T5552] ? nf_hook+0x20d/0x640 [ 81.674427][ T5552] ? ip_fragment.constprop.0+0x240/0x240 [ 81.680400][ T5552] ? ip_mc_finish_output+0x5a0/0x5a0 [ 81.685709][ T5552] ? update_or_create_fnhe+0xe63/0x15b0 [ 81.691278][ T5552] __ip_finish_output+0x396/0x650 [ 81.696392][ T5552] ip_finish_output+0x31/0x280 [ 81.701148][ T5552] ip_output+0x1a3/0x320 [ 81.705385][ T5552] ip_send_skb+0xd8/0x260 [ 81.709729][ T5552] udp_send_skb+0x73a/0x1490 [ 81.714317][ T5552] udp_sendmsg+0x1bb8/0x2840 [ 81.718901][ T5552] ? ip_frag_init+0x320/0x320 [ 81.723656][ T5552] ? udp_recvmsg+0x12d0/0x12d0 [ 81.728413][ T5552] ? print_usage_bug.part.0+0x660/0x660 [ 81.733973][ T5552] ? mark_lock.part.0+0xee/0x1970 [ 81.738994][ T5552] ? print_usage_bug.part.0+0x660/0x660 [ 81.744535][ T5552] ? print_usage_bug.part.0+0x660/0x660 [ 81.750080][ T5552] ? print_usage_bug.part.0+0x660/0x660 [ 81.755626][ T5552] ? __lock_acquire+0x18bc/0x5d40 [ 81.760647][ T5552] udpv6_sendmsg+0x180a/0x2d50 [ 81.765513][ T5552] ? udp_v6_push_pending_frames+0x200/0x200 [ 81.771509][ T5552] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 81.777512][ T5552] ? aa_sk_perm+0x31d/0xb10 [ 81.782012][ T5552] ? aa_af_perm+0x240/0x240 [ 81.786517][ T5552] ? __import_iovec+0x1fb/0x610 [ 81.791388][ T5552] inet6_sendmsg+0x9d/0xe0 [ 81.795809][ T5552] ? inet6_compat_ioctl+0x320/0x320 [ 81.801005][ T5552] sock_sendmsg+0xde/0x190 [ 81.805451][ T5552] ____sys_sendmsg+0x334/0x900 [ 81.810250][ T5552] ? copy_msghdr_from_user+0xfc/0x150 [ 81.815622][ T5552] ? kernel_sendmsg+0x50/0x50 [ 81.820310][ T5552] ___sys_sendmsg+0x110/0x1b0 [ 81.824989][ T5552] ? do_recvmmsg+0x6e0/0x6e0 [ 81.829590][ T5552] ? __fget_files+0x248/0x480 [ 81.834376][ T5552] ? lock_downgrade+0x690/0x690 [ 81.839221][ T5552] ? schedule+0xe8/0x1a0 [ 81.843457][ T5552] ? futex_unqueue+0xb7/0x120 [ 81.848395][ T5552] ? __fget_files+0x26a/0x480 [ 81.853080][ T5552] ? __fget_light+0xe5/0x270 [ 81.857678][ T5552] __sys_sendmmsg+0x18f/0x460 [ 81.862478][ T5552] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 81.867503][ T5552] ? __local_bh_enable_ip+0xa4/0x130 [ 81.872793][ T5552] ? __ia32_sys_get_robust_list+0x400/0x400 [ 81.878726][ T5552] ? fput+0x2f/0x1a0 [ 81.882717][ T5552] ? __sys_connect+0x10e/0x1a0 [ 81.887500][ T5552] ? __x64_sys_futex+0x1ca/0x4d0 [ 81.892446][ T5552] ? __x64_sys_futex+0x1d3/0x4d0 [ 81.897387][ T5552] ? __sys_socket+0x8e/0x250 [ 81.902061][ T5552] ? do_futex+0x360/0x360 [ 81.906400][ T5552] __x64_sys_sendmmsg+0x9d/0x100 [ 81.911335][ T5552] ? syscall_enter_from_user_mode+0x26/0x80 [ 81.917223][ T5552] do_syscall_64+0x39/0xb0 [ 81.921656][ T5552] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 81.927544][ T5552] RIP: 0033:0x7fbe50c88af9 [ 81.931947][ T5552] 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 [ 81.951752][ T5552] RSP: 002b:00007fbe51d03188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 81.960165][ T5552] RAX: ffffffffffffffda RBX: 00007fbe50d9bf60 RCX: 00007fbe50c88af9 [ 81.968172][ T5552] RDX: 0000000000000001 RSI: 0000000020004d80 RDI: 0000000000000004 [ 81.976152][ T5552] RBP: 00007fbe50ce2ff7 R08: 0000000000000000 R09: 0000000000000000 [ 81.984241][ T5552] R10: 0000000004000000 R11: 0000000000000246 R12: 0000000000000000 [ 81.992209][ T5552] R13: 00007ffd50792f8f R14: 00007fbe51d03300 R15: 0000000000022000 [ 82.000197][ T5552] [ 82.006448][ T4396] Bluetooth: hci0: command 0x0409 tx timeout 2023/04/17 09:15:08 executed programs: 109 [ 84.025702][ T4396] Bluetooth: hci0: command 0x041b tx timeout [ 86.095798][ T4396] Bluetooth: hci0: command 0x040f tx timeout [ 88.175759][ T4396] Bluetooth: hci0: command 0x0419 tx timeout 2023/04/17 09:15:13 executed programs: 443