Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts. 2021/07/31 04:52:14 parsed 1 programs 2021/07/31 04:52:15 executed programs: 0 [ 1577.306963] IPVS: ftp: loaded support on port[0] = 21 [ 1577.409921] chnl_net:caif_netlink_parms(): no params data found [ 1577.508263] bridge0: port 1(bridge_slave_0) entered blocking state [ 1577.515817] bridge0: port 1(bridge_slave_0) entered disabled state [ 1577.524065] device bridge_slave_0 entered promiscuous mode [ 1577.532897] bridge0: port 2(bridge_slave_1) entered blocking state [ 1577.540163] bridge0: port 2(bridge_slave_1) entered disabled state [ 1577.548057] device bridge_slave_1 entered promiscuous mode [ 1577.566859] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1577.576612] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1577.596042] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1577.603985] team0: Port device team_slave_0 added [ 1577.609451] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1577.617293] team0: Port device team_slave_1 added [ 1577.634226] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1577.640504] 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. [ 1577.665837] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1577.677232] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1577.683578] 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. [ 1577.709397] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1577.720440] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1577.728164] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1577.748323] device hsr_slave_0 entered promiscuous mode [ 1577.754138] device hsr_slave_1 entered promiscuous mode [ 1577.760151] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1577.767651] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1577.832472] bridge0: port 2(bridge_slave_1) entered blocking state [ 1577.838885] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1577.845919] bridge0: port 1(bridge_slave_0) entered blocking state [ 1577.852400] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1577.884443] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1577.890527] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1577.899485] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1577.908859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1577.918394] bridge0: port 1(bridge_slave_0) entered disabled state [ 1577.926930] bridge0: port 2(bridge_slave_1) entered disabled state [ 1577.934863] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1577.945794] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1577.952697] 8021q: adding VLAN 0 to HW filter on device team0 [ 1577.962120] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1577.969690] bridge0: port 1(bridge_slave_0) entered blocking state [ 1577.976094] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1577.992756] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1578.000645] bridge0: port 2(bridge_slave_1) entered blocking state [ 1578.007082] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1578.015321] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1578.026295] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1578.033721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1578.044043] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1578.054618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1578.064952] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1578.072890] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1578.086489] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1578.094837] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1578.102346] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1578.112989] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1578.126228] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1578.137249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1578.168620] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1578.176367] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1578.184048] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1578.194669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1578.203416] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1578.210316] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1578.220453] device veth0_vlan entered promiscuous mode [ 1578.229500] device veth1_vlan entered promiscuous mode [ 1578.235743] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1578.245573] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1578.257286] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1578.267485] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1578.275998] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1578.283952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1578.294610] device veth0_macvtap entered promiscuous mode [ 1578.301051] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1578.309712] device veth1_macvtap entered promiscuous mode [ 1578.318711] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1578.328455] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1578.339106] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1578.346490] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1578.355049] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1578.365244] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1578.373049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1578.489620] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1578.497365] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1578.513639] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1578.520366] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 1578.526879] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1578.527878] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1578.536898] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1578.548639] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1579.341835] Bluetooth: hci0: command 0x0409 tx timeout [ 1581.410924] Bluetooth: hci0: command 0x041b tx timeout 2021/07/31 04:52:20 executed programs: 4 [ 1583.490605] Bluetooth: hci0: command 0x040f tx timeout [ 1585.580550] Bluetooth: hci0: command 0x0419 tx timeout 2021/07/31 04:52:25 executed programs: 10 [ 1587.650293] Bluetooth: hci0: command 0x0405 tx timeout 2021/07/31 04:52:30 executed programs: 16 2021/07/31 04:52:36 executed programs: 22 2021/07/31 04:52:41 executed programs: 28 2021/07/31 04:52:46 executed programs: 34 [ 1608.610987] ieee802154 phy0 wpan0: encryption failed: -22 [ 1608.616961] ieee802154 phy1 wpan1: encryption failed: -22 2021/07/31 04:52:51 executed programs: 40 2021/07/31 04:52:56 executed programs: 46 [ 1621.408320] ================================================================== [ 1621.415719] BUG: KASAN: use-after-free in __lock_acquire+0x2cb4/0x3ff0 [ 1621.422512] Read of size 8 at addr ffff8880abcae960 by task kworker/1:0/8101 [ 1621.429682] [ 1621.431329] CPU: 1 PID: 8101 Comm: kworker/1:0 Not tainted 4.19.199-syzkaller #0 [ 1621.438846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1621.448373] Workqueue: events l2cap_chan_timeout [ 1621.453228] Call Trace: [ 1621.455806] dump_stack+0x1fc/0x2ef [ 1621.459423] print_address_description.cold+0x54/0x219 [ 1621.464694] kasan_report_error.cold+0x8a/0x1b9 [ 1621.469366] ? __lock_acquire+0x2cb4/0x3ff0 [ 1621.473846] __asan_report_load8_noabort+0x88/0x90 [ 1621.478987] ? __lock_acquire+0x2cb4/0x3ff0 [ 1621.483599] __lock_acquire+0x2cb4/0x3ff0 [ 1621.487830] ? trace_hardirqs_off+0x64/0x200 [ 1621.492295] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1621.497387] ? debug_object_assert_init+0x242/0x2e0 [ 1621.502398] ? mark_held_locks+0xf0/0xf0 [ 1621.506441] ? debug_object_free+0x380/0x380 [ 1621.510835] ? mark_held_locks+0xf0/0xf0 [ 1621.514924] ? __save_stack_trace+0x9f/0x190 [ 1621.519375] ? del_timer+0xc3/0x100 [ 1621.522995] lock_acquire+0x170/0x3c0 [ 1621.526781] ? lock_sock_nested+0x3b/0x110 [ 1621.531005] _raw_spin_lock_bh+0x2f/0x40 [ 1621.535072] ? lock_sock_nested+0x3b/0x110 [ 1621.539307] lock_sock_nested+0x3b/0x110 [ 1621.543356] l2cap_sock_teardown_cb+0xa0/0x6d0 [ 1621.547923] ? lock_downgrade+0x720/0x720 [ 1621.552057] l2cap_chan_del+0xbc/0xa50 [ 1621.556118] ? trace_hardirqs_off+0x64/0x200 [ 1621.560534] l2cap_chan_close+0x1b5/0x950 [ 1621.564901] ? __set_monitor_timer+0x200/0x200 [ 1621.569574] ? check_preemption_disabled+0x41/0x280 [ 1621.574667] l2cap_chan_timeout+0x17e/0x2f0 [ 1621.579171] process_one_work+0x864/0x1570 [ 1621.583418] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 1621.588159] worker_thread+0x64c/0x1130 [ 1621.592308] ? __kthread_parkme+0x133/0x1e0 [ 1621.596624] ? process_one_work+0x1570/0x1570 [ 1621.601492] kthread+0x33f/0x460 [ 1621.604843] ? kthread_park+0x180/0x180 [ 1621.608972] ret_from_fork+0x24/0x30 [ 1621.612842] [ 1621.614714] Allocated by task 8398: [ 1621.618339] __kmalloc+0x15a/0x3c0 [ 1621.621871] sk_prot_alloc+0x1e2/0x2d0 [ 1621.625752] sk_alloc+0x36/0xec0 [ 1621.629117] l2cap_sock_alloc.constprop.0+0x31/0x210 [ 1621.634214] l2cap_sock_create+0x123/0x1f0 [ 1621.638444] bt_sock_create+0x154/0x2a0 [ 1621.642416] __sock_create+0x3d8/0x740 [ 1621.646284] __sys_socket+0xef/0x200 [ 1621.649980] __x64_sys_socket+0x6f/0xb0 [ 1621.654020] do_syscall_64+0xf9/0x620 [ 1621.657889] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1621.663079] [ 1621.664745] Freed by task 8398: [ 1621.668017] kfree+0xcc/0x210 [ 1621.671140] __sk_destruct+0x684/0x8a0 [ 1621.675098] __sk_free+0x165/0x3b0 [ 1621.678738] sk_free+0x3b/0x50 [ 1621.682003] l2cap_sock_kill.part.0+0x124/0x150 [ 1621.686805] l2cap_sock_release+0x1e6/0x290 [ 1621.691110] __sock_release+0xcd/0x2a0 [ 1621.695105] sock_close+0x15/0x20 [ 1621.698565] __fput+0x2ce/0x890 [ 1621.701935] task_work_run+0x148/0x1c0 [ 1621.705813] get_signal+0x1b64/0x1f70 [ 1621.709635] do_signal+0x8f/0x1670 [ 1621.713245] exit_to_usermode_loop+0x204/0x2a0 [ 1621.717915] do_syscall_64+0x538/0x620 [ 1621.721782] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1621.726942] [ 1621.728547] The buggy address belongs to the object at ffff8880abcae8c0 [ 1621.728547] which belongs to the cache kmalloc-2048 of size 2048 [ 1621.741367] The buggy address is located 160 bytes inside of [ 1621.741367] 2048-byte region [ffff8880abcae8c0, ffff8880abcaf0c0) [ 1621.753304] The buggy address belongs to the page: [ 1621.758224] page:ffffea0002af2b80 count:1 mapcount:0 mapping:ffff88813bff0c40 index:0x0 compound_mapcount: 0 [ 1621.768273] flags: 0xfff00000008100(slab|head) [ 1621.772857] raw: 00fff00000008100 ffffea000250c908 ffffea0002aa8f88 ffff88813bff0c40 [ 1621.780856] raw: 0000000000000000 ffff8880abcae040 0000000100000003 0000000000000000 [ 1621.788712] page dumped because: kasan: bad access detected [ 1621.794482] [ 1621.796086] Memory state around the buggy address: [ 1621.801089] ffff8880abcae800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1621.808441] ffff8880abcae880: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 1621.815874] >ffff8880abcae900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1621.823221] ^ [ 1621.829698] ffff8880abcae980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1621.837041] ffff8880abcaea00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1621.844574] ================================================================== [ 1621.851915] Disabling lock debugging due to kernel taint [ 1621.857345] Kernel panic - not syncing: panic_on_warn set ... [ 1621.857345] [ 1621.864695] CPU: 1 PID: 8101 Comm: kworker/1:0 Tainted: G B 4.19.199-syzkaller #0 [ 1621.873697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1621.883142] Workqueue: events l2cap_chan_timeout [ 1621.887989] Call Trace: [ 1621.890572] dump_stack+0x1fc/0x2ef [ 1621.894184] panic+0x26a/0x50e [ 1621.897374] ? __warn_printk+0xf3/0xf3 [ 1621.901263] ? lock_downgrade+0x720/0x720 [ 1621.905500] ? print_shadow_for_address+0xb8/0x114 [ 1621.910533] ? trace_hardirqs_off+0x64/0x200 [ 1621.915016] kasan_end_report+0x43/0x49 [ 1621.919020] kasan_report_error.cold+0xa7/0x1b9 [ 1621.923845] ? __lock_acquire+0x2cb4/0x3ff0 [ 1621.928171] __asan_report_load8_noabort+0x88/0x90 [ 1621.933090] ? __lock_acquire+0x2cb4/0x3ff0 [ 1621.937545] __lock_acquire+0x2cb4/0x3ff0 [ 1621.941777] ? trace_hardirqs_off+0x64/0x200 [ 1621.946271] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1621.951452] ? debug_object_assert_init+0x242/0x2e0 [ 1621.956456] ? mark_held_locks+0xf0/0xf0 [ 1621.960501] ? debug_object_free+0x380/0x380 [ 1621.964916] ? mark_held_locks+0xf0/0xf0 [ 1621.969157] ? __save_stack_trace+0x9f/0x190 [ 1621.974860] ? del_timer+0xc3/0x100 [ 1621.978482] lock_acquire+0x170/0x3c0 [ 1621.982359] ? lock_sock_nested+0x3b/0x110 [ 1621.986683] _raw_spin_lock_bh+0x2f/0x40 [ 1621.990726] ? lock_sock_nested+0x3b/0x110 [ 1621.994951] lock_sock_nested+0x3b/0x110 [ 1621.999007] l2cap_sock_teardown_cb+0xa0/0x6d0 [ 1622.003598] ? lock_downgrade+0x720/0x720 [ 1622.007744] l2cap_chan_del+0xbc/0xa50 [ 1622.011636] ? trace_hardirqs_off+0x64/0x200 [ 1622.016086] l2cap_chan_close+0x1b5/0x950 [ 1622.020230] ? __set_monitor_timer+0x200/0x200 [ 1622.025046] ? check_preemption_disabled+0x41/0x280 [ 1622.030044] l2cap_chan_timeout+0x17e/0x2f0 [ 1622.034347] process_one_work+0x864/0x1570 [ 1622.038737] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 1622.043658] worker_thread+0x64c/0x1130 [ 1622.047613] ? __kthread_parkme+0x133/0x1e0 [ 1622.051927] ? process_one_work+0x1570/0x1570 [ 1622.056514] kthread+0x33f/0x460 [ 1622.060029] ? kthread_park+0x180/0x180 [ 1622.064002] ret_from_fork+0x24/0x30 [ 1622.069254] Kernel Offset: disabled [ 1622.072875] Rebooting in 86400 seconds..