Warning: Permanently added '10.128.0.43' (ECDSA) to the list of known hosts. 2021/08/02 00:01:41 parsed 1 programs 2021/08/02 00:01:41 executed programs: 0 [ 1585.708654] IPVS: ftp: loaded support on port[0] = 21 [ 1585.817886] chnl_net:caif_netlink_parms(): no params data found [ 1585.892999] bridge0: port 1(bridge_slave_0) entered blocking state [ 1585.900232] bridge0: port 1(bridge_slave_0) entered disabled state [ 1585.907536] device bridge_slave_0 entered promiscuous mode [ 1585.915463] bridge0: port 2(bridge_slave_1) entered blocking state [ 1585.921989] bridge0: port 2(bridge_slave_1) entered disabled state [ 1585.929546] device bridge_slave_1 entered promiscuous mode [ 1585.947198] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1585.956256] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1585.974990] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1585.982445] team0: Port device team_slave_0 added [ 1585.987894] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1585.995749] team0: Port device team_slave_1 added [ 1586.011594] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1586.018430] 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. [ 1586.044291] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1586.055733] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1586.062198] 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. [ 1586.088472] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1586.099629] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1586.107137] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1586.126744] device hsr_slave_0 entered promiscuous mode [ 1586.132552] device hsr_slave_1 entered promiscuous mode [ 1586.138829] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1586.146026] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1586.212956] bridge0: port 2(bridge_slave_1) entered blocking state [ 1586.219417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1586.226250] bridge0: port 1(bridge_slave_0) entered blocking state [ 1586.232774] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1586.264917] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1586.272841] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1586.282221] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1586.291594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1586.300817] bridge0: port 1(bridge_slave_0) entered disabled state [ 1586.307966] bridge0: port 2(bridge_slave_1) entered disabled state [ 1586.315999] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1586.326930] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1586.333457] 8021q: adding VLAN 0 to HW filter on device team0 [ 1586.343487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1586.351665] bridge0: port 1(bridge_slave_0) entered blocking state [ 1586.358125] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1586.381437] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1586.390208] bridge0: port 2(bridge_slave_1) entered blocking state [ 1586.396667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1586.405055] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1586.413444] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1586.421505] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1586.429405] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1586.437652] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1586.446684] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1586.453494] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1586.466176] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1586.477543] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1586.486726] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1586.494599] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1586.510171] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1586.520569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1586.555477] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1586.563300] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1586.570281] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1586.580339] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1586.588921] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1586.596060] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1586.605634] device veth0_vlan entered promiscuous mode [ 1586.615273] device veth1_vlan entered promiscuous mode [ 1586.621576] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1586.631616] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1586.643216] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1586.653026] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1586.660845] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1586.668139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1586.678841] device veth0_macvtap entered promiscuous mode [ 1586.685031] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1586.694587] device veth1_macvtap entered promiscuous mode [ 1586.704461] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1586.714091] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1586.724914] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1586.732758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1586.741296] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1586.752874] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1586.759943] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1586.873741] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1586.880877] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1586.888086] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1586.905876] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1586.917374] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 1586.924406] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1586.932367] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1586.940414] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1587.758830] Bluetooth: hci0: command 0x0409 tx timeout 2021/08/02 00:01:46 executed programs: 119 [ 1589.828162] Bluetooth: hci0: command 0x041b tx timeout [ 1591.908701] Bluetooth: hci0: command 0x040f tx timeout [ 1593.988084] Bluetooth: hci0: command 0x0419 tx timeout 2021/08/02 00:01:51 executed programs: 607 [ 1596.067858] Bluetooth: hci0: command 0x0405 tx timeout 2021/08/02 00:01:56 executed programs: 1191 2021/08/02 00:02:01 executed programs: 1774 [ 1608.629432] ieee802154 phy0 wpan0: encryption failed: -22 [ 1608.635215] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/02 00:02:06 executed programs: 2352 2021/08/02 00:02:11 executed programs: 2927 2021/08/02 00:02:16 executed programs: 3493 2021/08/02 00:02:21 executed programs: 4058 [ 1627.828467] ================================================================== [ 1627.836051] BUG: KASAN: use-after-free in __lock_acquire+0x2cb4/0x3ff0 [ 1627.843319] Read of size 8 at addr ffff8880aa8b81e0 by task kworker/1:0/8258 [ 1627.850575] [ 1627.852201] CPU: 1 PID: 8258 Comm: kworker/1:0 Not tainted 4.19.200-syzkaller #0 [ 1627.859752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1627.869224] Workqueue: events l2cap_chan_timeout [ 1627.873964] Call Trace: [ 1627.876636] dump_stack+0x1fc/0x2ef [ 1627.880356] print_address_description.cold+0x54/0x219 [ 1627.885627] kasan_report_error.cold+0x8a/0x1b9 [ 1627.890289] ? __lock_acquire+0x2cb4/0x3ff0 [ 1627.894602] __asan_report_load8_noabort+0x88/0x90 [ 1627.899525] ? __lock_acquire+0x2cb4/0x3ff0 [ 1627.904024] __lock_acquire+0x2cb4/0x3ff0 [ 1627.908218] ? trace_hardirqs_off+0x64/0x200 [ 1627.912622] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1627.917823] ? debug_object_assert_init+0x242/0x2e0 [ 1627.922848] ? mark_held_locks+0xf0/0xf0 [ 1627.926911] ? debug_object_free+0x380/0x380 [ 1627.931488] ? mark_held_locks+0xf0/0xf0 [ 1627.935569] ? __save_stack_trace+0x9f/0x190 [ 1627.940431] ? del_timer+0xc3/0x100 [ 1627.944050] lock_acquire+0x170/0x3c0 [ 1627.947934] ? lock_sock_nested+0x3b/0x110 [ 1627.952153] _raw_spin_lock_bh+0x2f/0x40 [ 1627.956208] ? lock_sock_nested+0x3b/0x110 [ 1627.960439] lock_sock_nested+0x3b/0x110 [ 1627.964655] l2cap_sock_teardown_cb+0xa0/0x6d0 [ 1627.969219] ? lock_downgrade+0x720/0x720 [ 1627.973351] l2cap_chan_del+0xbc/0xa50 [ 1627.977399] ? trace_hardirqs_off+0x64/0x200 [ 1627.981815] l2cap_chan_close+0x1b5/0x950 [ 1627.985943] ? __set_monitor_timer+0x200/0x200 [ 1627.990509] ? check_preemption_disabled+0x41/0x280 [ 1627.995518] l2cap_chan_timeout+0x17e/0x2f0 [ 1627.999829] process_one_work+0x864/0x1570 [ 1628.004058] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 1628.008811] worker_thread+0x64c/0x1130 [ 1628.012774] ? __kthread_parkme+0x133/0x1e0 [ 1628.017167] ? process_one_work+0x1570/0x1570 [ 1628.021646] kthread+0x33f/0x460 [ 1628.025085] ? kthread_park+0x180/0x180 [ 1628.029050] ret_from_fork+0x24/0x30 [ 1628.032924] [ 1628.034530] Allocated by task 21655: [ 1628.038411] kmem_cache_alloc_trace+0x12f/0x380 [ 1628.043314] l2cap_chan_create+0x40/0x550 [ 1628.047630] l2cap_sock_alloc.constprop.0+0x16c/0x210 [ 1628.052814] l2cap_sock_create+0x123/0x1f0 [ 1628.057218] bt_sock_create+0x154/0x2a0 [ 1628.061172] __sock_create+0x3d8/0x740 [ 1628.065040] __sys_socket+0xef/0x200 [ 1628.068733] __x64_sys_socket+0x6f/0xb0 [ 1628.072686] do_syscall_64+0xf9/0x620 [ 1628.076470] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1628.081770] [ 1628.083382] Freed by task 21654: [ 1628.086741] kfree+0xcc/0x210 [ 1628.089838] l2cap_chan_put+0x1ee/0x270 [ 1628.093878] l2cap_sock_release+0x1fb/0x290 [ 1628.098276] __sock_release+0xcd/0x2a0 [ 1628.102147] sock_close+0x15/0x20 [ 1628.105768] __fput+0x2ce/0x890 [ 1628.109023] task_work_run+0x148/0x1c0 [ 1628.112888] exit_to_usermode_loop+0x251/0x2a0 [ 1628.117453] do_syscall_64+0x538/0x620 [ 1628.121339] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1628.126513] [ 1628.128119] The buggy address belongs to the object at ffff8880aa8b8140 [ 1628.128119] which belongs to the cache kmalloc-2048 of size 2048 [ 1628.141107] The buggy address is located 160 bytes inside of [ 1628.141107] 2048-byte region [ffff8880aa8b8140, ffff8880aa8b8940) [ 1628.153161] The buggy address belongs to the page: [ 1628.158076] page:ffffea0002aa2e00 count:1 mapcount:0 mapping:ffff88813bff0c40 index:0x0 compound_mapcount: 0 [ 1628.168123] flags: 0xfff00000008100(slab|head) [ 1628.173395] raw: 00fff00000008100 ffffea00024c3788 ffffea000271d408 ffff88813bff0c40 [ 1628.181277] raw: 0000000000000000 ffff8880aa8b8140 0000000100000003 0000000000000000 [ 1628.189181] page dumped because: kasan: bad access detected [ 1628.195317] [ 1628.197014] Memory state around the buggy address: [ 1628.202012] ffff8880aa8b8080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1628.209352] ffff8880aa8b8100: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 1628.216691] >ffff8880aa8b8180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1628.224031] ^ [ 1628.230497] ffff8880aa8b8200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1628.237922] ffff8880aa8b8280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1628.245351] ================================================================== [ 1628.252784] Disabling lock debugging due to kernel taint [ 1628.258222] Kernel panic - not syncing: panic_on_warn set ... [ 1628.258222] [ 1628.266241] CPU: 1 PID: 8258 Comm: kworker/1:0 Tainted: G B 4.19.200-syzkaller #0 [ 1628.275145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1628.284833] Workqueue: events l2cap_chan_timeout [ 1628.289750] Call Trace: [ 1628.292320] dump_stack+0x1fc/0x2ef [ 1628.296012] panic+0x26a/0x50e [ 1628.299448] ? __warn_printk+0xf3/0xf3 [ 1628.303528] ? lock_downgrade+0x720/0x720 [ 1628.308106] ? print_shadow_for_address+0xb8/0x114 [ 1628.313273] ? trace_hardirqs_off+0x64/0x200 [ 1628.317766] kasan_end_report+0x43/0x49 [ 1628.321812] kasan_report_error.cold+0xa7/0x1b9 [ 1628.326584] ? __lock_acquire+0x2cb4/0x3ff0 [ 1628.330890] __asan_report_load8_noabort+0x88/0x90 [ 1628.335805] ? __lock_acquire+0x2cb4/0x3ff0 [ 1628.340373] __lock_acquire+0x2cb4/0x3ff0 [ 1628.346066] ? trace_hardirqs_off+0x64/0x200 [ 1628.350470] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1628.355564] ? debug_object_assert_init+0x242/0x2e0 [ 1628.360663] ? mark_held_locks+0xf0/0xf0 [ 1628.364765] ? debug_object_free+0x380/0x380 [ 1628.369241] ? mark_held_locks+0xf0/0xf0 [ 1628.373370] ? __save_stack_trace+0x9f/0x190 [ 1628.378029] ? del_timer+0xc3/0x100 [ 1628.381649] lock_acquire+0x170/0x3c0 [ 1628.385756] ? lock_sock_nested+0x3b/0x110 [ 1628.389976] _raw_spin_lock_bh+0x2f/0x40 [ 1628.394030] ? lock_sock_nested+0x3b/0x110 [ 1628.398854] lock_sock_nested+0x3b/0x110 [ 1628.403018] l2cap_sock_teardown_cb+0xa0/0x6d0 [ 1628.407871] ? lock_downgrade+0x720/0x720 [ 1628.412014] l2cap_chan_del+0xbc/0xa50 [ 1628.416113] ? trace_hardirqs_off+0x64/0x200 [ 1628.420611] l2cap_chan_close+0x1b5/0x950 [ 1628.424867] ? __set_monitor_timer+0x200/0x200 [ 1628.429450] ? check_preemption_disabled+0x41/0x280 [ 1628.434459] l2cap_chan_timeout+0x17e/0x2f0 [ 1628.438790] process_one_work+0x864/0x1570 [ 1628.443090] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 1628.447882] worker_thread+0x64c/0x1130 [ 1628.451854] ? __kthread_parkme+0x133/0x1e0 [ 1628.456175] ? process_one_work+0x1570/0x1570 [ 1628.460878] kthread+0x33f/0x460 [ 1628.464241] ? kthread_park+0x180/0x180 [ 1628.468217] ret_from_fork+0x24/0x30 [ 1628.474416] Kernel Offset: disabled [ 1628.478139] Rebooting in 86400 seconds..