Warning: Permanently added '10.128.0.94' (ECDSA) to the list of known hosts. 2021/06/08 06:45:56 parsed 1 programs 2021/06/08 06:45:56 executed programs: 0 [ 1573.963113] IPVS: ftp: loaded support on port[0] = 21 [ 1574.079473] chnl_net:caif_netlink_parms(): no params data found [ 1574.179304] bridge0: port 1(bridge_slave_0) entered blocking state [ 1574.186840] bridge0: port 1(bridge_slave_0) entered disabled state [ 1574.195357] device bridge_slave_0 entered promiscuous mode [ 1574.202911] bridge0: port 2(bridge_slave_1) entered blocking state [ 1574.209763] bridge0: port 2(bridge_slave_1) entered disabled state [ 1574.216982] device bridge_slave_1 entered promiscuous mode [ 1574.236009] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1574.245850] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1574.264229] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1574.272494] team0: Port device team_slave_0 added [ 1574.278554] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1574.286108] team0: Port device team_slave_1 added [ 1574.301574] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1574.307937] 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. [ 1574.333512] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1574.345797] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1574.352333] 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. [ 1574.378435] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1574.389185] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1574.397257] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1574.416895] device hsr_slave_0 entered promiscuous mode [ 1574.422828] device hsr_slave_1 entered promiscuous mode [ 1574.429331] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1574.437706] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1574.505733] bridge0: port 2(bridge_slave_1) entered blocking state [ 1574.512255] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1574.519142] bridge0: port 1(bridge_slave_0) entered blocking state [ 1574.525768] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1574.558604] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1574.566284] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1574.574675] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1574.583343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1574.593253] bridge0: port 1(bridge_slave_0) entered disabled state [ 1574.601027] bridge0: port 2(bridge_slave_1) entered disabled state [ 1574.608511] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1574.619814] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1574.626157] 8021q: adding VLAN 0 to HW filter on device team0 [ 1574.636087] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1574.643877] bridge0: port 1(bridge_slave_0) entered blocking state [ 1574.650293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1574.666367] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1574.674043] bridge0: port 2(bridge_slave_1) entered blocking state [ 1574.680458] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1574.689089] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1574.698051] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1574.708903] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1574.720326] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1574.730513] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1574.742056] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1574.749311] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1574.756755] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1574.770166] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1574.778150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1574.785969] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1574.797507] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1574.810749] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1574.820180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1574.853836] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1574.861260] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1574.868983] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1574.879816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1574.888222] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1574.895550] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1574.905429] device veth0_vlan entered promiscuous mode [ 1574.913926] device veth1_vlan entered promiscuous mode [ 1574.920313] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1574.929281] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1574.941680] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1574.951565] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1574.959471] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1574.967257] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1574.977308] device veth0_macvtap entered promiscuous mode [ 1574.983512] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1574.992266] device veth1_macvtap entered promiscuous mode [ 1575.001862] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1575.012057] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1575.022101] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1575.029058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1575.037747] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1575.048637] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1575.056204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1575.172909] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1575.180489] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1575.195959] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1575.203233] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 1575.211414] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1575.220701] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1575.228908] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1575.237583] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1575.995556] Bluetooth: hci0: command 0x0409 tx timeout [ 1578.074405] Bluetooth: hci0: command 0x041b tx timeout 2021/06/08 06:46:02 executed programs: 4 [ 1580.154356] Bluetooth: hci0: command 0x040f tx timeout [ 1582.234183] Bluetooth: hci0: command 0x0419 tx timeout 2021/06/08 06:46:07 executed programs: 10 [ 1584.314222] Bluetooth: hci0: command 0x0405 tx timeout 2021/06/08 06:46:12 executed programs: 16 2021/06/08 06:46:17 executed programs: 22 2021/06/08 06:46:22 executed programs: 28 2021/06/08 06:46:27 executed programs: 34 [ 1608.395523] ieee802154 phy0 wpan0: encryption failed: -22 [ 1608.401469] ieee802154 phy1 wpan1: encryption failed: -22 2021/06/08 06:46:32 executed programs: 40 2021/06/08 06:46:37 executed programs: 46 2021/06/08 06:46:42 executed programs: 52 2021/06/08 06:46:47 executed programs: 58 [ 1625.674767] ================================================================== [ 1625.682375] BUG: KASAN: use-after-free in __lock_acquire+0x2cb4/0x3ff0 [ 1625.689500] Read of size 8 at addr ffff888092089420 by task kworker/0:3/8408 [ 1625.696812] [ 1625.698451] CPU: 0 PID: 8408 Comm: kworker/0:3 Not tainted 4.19.193-syzkaller #0 [ 1625.706404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1625.716006] Workqueue: events l2cap_chan_timeout [ 1625.720877] Call Trace: [ 1625.723470] dump_stack+0x1fc/0x2ef [ 1625.727351] print_address_description.cold+0x54/0x219 [ 1625.732635] kasan_report_error.cold+0x8a/0x1b9 [ 1625.737294] ? __lock_acquire+0x2cb4/0x3ff0 [ 1625.741756] __asan_report_load8_noabort+0x88/0x90 [ 1625.746859] ? __lock_acquire+0x2cb4/0x3ff0 [ 1625.751203] __lock_acquire+0x2cb4/0x3ff0 [ 1625.755349] ? trace_hardirqs_off+0x64/0x200 [ 1625.759874] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1625.764999] ? debug_object_assert_init+0x242/0x2e0 [ 1625.770040] ? mark_held_locks+0xf0/0xf0 [ 1625.774088] ? debug_object_free+0x380/0x380 [ 1625.778572] ? mark_held_locks+0xf0/0xf0 [ 1625.782617] ? __save_stack_trace+0x9f/0x190 [ 1625.787219] ? del_timer+0xc3/0x100 [ 1625.790846] lock_acquire+0x170/0x3c0 [ 1625.794645] ? lock_sock_nested+0x3b/0x110 [ 1625.798875] _raw_spin_lock_bh+0x2f/0x40 [ 1625.803188] ? lock_sock_nested+0x3b/0x110 [ 1625.807443] lock_sock_nested+0x3b/0x110 [ 1625.811499] l2cap_sock_teardown_cb+0xa0/0x6d0 [ 1625.816073] ? lock_downgrade+0x720/0x720 [ 1625.820223] l2cap_chan_del+0xbc/0xa50 [ 1625.824134] ? trace_hardirqs_off+0x64/0x200 [ 1625.828542] l2cap_chan_close+0x1b5/0x950 [ 1625.832679] ? __set_monitor_timer+0x200/0x200 [ 1625.837268] ? check_preemption_disabled+0x41/0x280 [ 1625.842277] l2cap_chan_timeout+0x17e/0x2f0 [ 1625.846591] process_one_work+0x864/0x1570 [ 1625.851010] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 1625.855671] worker_thread+0x64c/0x1130 [ 1625.859753] ? __kthread_parkme+0x133/0x1e0 [ 1625.864079] ? process_one_work+0x1570/0x1570 [ 1625.868583] kthread+0x33f/0x460 [ 1625.871958] ? kthread_park+0x180/0x180 [ 1625.875985] ret_from_fork+0x24/0x30 [ 1625.879771] [ 1625.881646] Allocated by task 8527: [ 1625.885318] __kmalloc+0x15a/0x3c0 [ 1625.889094] sk_prot_alloc+0x1e2/0x2d0 [ 1625.893082] sk_alloc+0x36/0xec0 [ 1625.896709] l2cap_sock_alloc.constprop.0+0x31/0x210 [ 1625.901813] l2cap_sock_create+0x123/0x1f0 [ 1625.906244] bt_sock_create+0x154/0x2a0 [ 1625.910607] __sock_create+0x3d8/0x740 [ 1625.914500] __sys_socket+0xef/0x200 [ 1625.918198] __x64_sys_socket+0x6f/0xb0 [ 1625.922162] do_syscall_64+0xf9/0x620 [ 1625.925947] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1625.931115] [ 1625.932724] Freed by task 8527: [ 1625.935999] kfree+0xcc/0x210 [ 1625.939108] __sk_destruct+0x684/0x8a0 [ 1625.943171] __sk_free+0x165/0x3b0 [ 1625.946696] sk_free+0x3b/0x50 [ 1625.949895] l2cap_sock_kill.part.0+0x124/0x150 [ 1625.954663] l2cap_sock_release+0x1e6/0x290 [ 1625.958996] __sock_release+0xcd/0x2a0 [ 1625.963098] sock_close+0x15/0x20 [ 1625.966579] __fput+0x2ce/0x890 [ 1625.969880] task_work_run+0x148/0x1c0 [ 1625.973790] get_signal+0x1b64/0x1f70 [ 1625.977593] do_signal+0x8f/0x1670 [ 1625.981229] exit_to_usermode_loop+0x204/0x2a0 [ 1625.985852] do_syscall_64+0x538/0x620 [ 1625.989788] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1625.995047] [ 1625.996663] The buggy address belongs to the object at ffff888092089380 [ 1625.996663] which belongs to the cache kmalloc-2048 of size 2048 [ 1626.009850] The buggy address is located 160 bytes inside of [ 1626.009850] 2048-byte region [ffff888092089380, ffff888092089b80) [ 1626.021894] The buggy address belongs to the page: [ 1626.026824] page:ffffea0002482200 count:1 mapcount:0 mapping:ffff88813bff0c40 index:0x0 compound_mapcount: 0 [ 1626.036800] flags: 0xfff00000008100(slab|head) [ 1626.041392] raw: 00fff00000008100 ffffea000240b308 ffffea000240d408 ffff88813bff0c40 [ 1626.049698] raw: 0000000000000000 ffff888092088280 0000000100000003 0000000000000000 [ 1626.057827] page dumped because: kasan: bad access detected [ 1626.064093] [ 1626.065730] Memory state around the buggy address: [ 1626.070953] ffff888092089300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1626.078553] ffff888092089380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1626.086297] >ffff888092089400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1626.093692] ^ [ 1626.098378] ffff888092089480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1626.105825] ffff888092089500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1626.113174] ================================================================== [ 1626.120624] Disabling lock debugging due to kernel taint [ 1626.126383] Kernel panic - not syncing: panic_on_warn set ... [ 1626.126383] [ 1626.134253] CPU: 0 PID: 8408 Comm: kworker/0:3 Tainted: G B 4.19.193-syzkaller #0 [ 1626.143275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1626.152691] Workqueue: events l2cap_chan_timeout [ 1626.157470] Call Trace: [ 1626.160066] dump_stack+0x1fc/0x2ef [ 1626.163977] panic+0x26a/0x50e [ 1626.167271] ? __warn_printk+0xf3/0xf3 [ 1626.171335] ? lock_downgrade+0x720/0x720 [ 1626.175588] ? print_shadow_for_address+0xb8/0x114 [ 1626.180618] ? trace_hardirqs_off+0x64/0x200 [ 1626.185031] kasan_end_report+0x43/0x49 [ 1626.189007] kasan_report_error.cold+0xa7/0x1b9 [ 1626.193667] ? __lock_acquire+0x2cb4/0x3ff0 [ 1626.198175] __asan_report_load8_noabort+0x88/0x90 [ 1626.203285] ? __lock_acquire+0x2cb4/0x3ff0 [ 1626.207645] __lock_acquire+0x2cb4/0x3ff0 [ 1626.211790] ? trace_hardirqs_off+0x64/0x200 [ 1626.216209] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1626.221406] ? debug_object_assert_init+0x242/0x2e0 [ 1626.226505] ? mark_held_locks+0xf0/0xf0 [ 1626.230557] ? debug_object_free+0x380/0x380 [ 1626.234976] ? mark_held_locks+0xf0/0xf0 [ 1626.239035] ? __save_stack_trace+0x9f/0x190 [ 1626.243567] ? del_timer+0xc3/0x100 [ 1626.247204] lock_acquire+0x170/0x3c0 [ 1626.251202] ? lock_sock_nested+0x3b/0x110 [ 1626.255529] _raw_spin_lock_bh+0x2f/0x40 [ 1626.259580] ? lock_sock_nested+0x3b/0x110 [ 1626.263804] lock_sock_nested+0x3b/0x110 [ 1626.267873] l2cap_sock_teardown_cb+0xa0/0x6d0 [ 1626.272545] ? lock_downgrade+0x720/0x720 [ 1626.276704] l2cap_chan_del+0xbc/0xa50 [ 1626.280678] ? trace_hardirqs_off+0x64/0x200 [ 1626.285294] l2cap_chan_close+0x1b5/0x950 [ 1626.289659] ? __set_monitor_timer+0x200/0x200 [ 1626.294263] ? check_preemption_disabled+0x41/0x280 [ 1626.299287] l2cap_chan_timeout+0x17e/0x2f0 [ 1626.303933] process_one_work+0x864/0x1570 [ 1626.308291] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 1626.313219] worker_thread+0x64c/0x1130 [ 1626.317237] ? __kthread_parkme+0x133/0x1e0 [ 1626.321582] ? process_one_work+0x1570/0x1570 [ 1626.326068] kthread+0x33f/0x460 [ 1626.329529] ? kthread_park+0x180/0x180 [ 1626.333592] ret_from_fork+0x24/0x30 [ 1626.338245] Kernel Offset: disabled [ 1626.341892] Rebooting in 86400 seconds..