Warning: Permanently added '10.128.0.63' (ECDSA) to the list of known hosts. [ 39.371617] IPVS: ftp: loaded support on port[0] = 21 [ 39.446892] chnl_net:caif_netlink_parms(): no params data found [ 39.511313] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.517731] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.525950] device bridge_slave_0 entered promiscuous mode [ 39.532581] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.539716] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.546862] device bridge_slave_1 entered promiscuous mode [ 39.563125] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.571807] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.588945] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.596365] team0: Port device team_slave_0 added [ 39.601603] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.609432] team0: Port device team_slave_1 added [ 39.623662] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.629954] 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. [ 39.655674] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.667021] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.673241] 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. [ 39.698972] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.709682] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.717260] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.735482] device hsr_slave_0 entered promiscuous mode [ 39.741028] device hsr_slave_1 entered promiscuous mode [ 39.747678] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 39.754761] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 39.811858] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.818265] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.825061] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.831400] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.859197] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 39.865982] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.873376] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.881874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.900442] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.907814] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.918183] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 39.924229] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.932432] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.940011] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.946383] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.956371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.963971] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.970340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.985947] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.993538] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.002258] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.010164] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.019582] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.030237] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 40.036456] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.043445] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.055569] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 40.065721] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.072104] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.080139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.121045] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 40.131067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.159305] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 40.166278] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 40.172634] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 40.181581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.189213] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.196571] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.205890] device veth0_vlan entered promiscuous mode [ 40.214687] device veth1_vlan entered promiscuous mode [ 40.220449] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 40.229002] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 40.239141] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 40.248506] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.255858] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.262937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.271704] device veth0_macvtap entered promiscuous mode [ 40.278311] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 40.285972] device veth1_macvtap entered promiscuous mode [ 40.293684] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 40.303025] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 40.312221] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.319645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.327705] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.337496] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.344432] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 40.434325] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 40.598217] ================================================================== [ 40.605591] BUG: KASAN: use-after-free in __lock_acquire+0x2c57/0x3f20 [ 40.612229] Read of size 8 at addr ffff8880b0288d20 by task kworker/u4:3/213 [ 40.619751] [ 40.621355] CPU: 0 PID: 213 Comm: kworker/u4:3 Not tainted 4.14.246-syzkaller #0 [ 40.628867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.638201] Workqueue: tipc_rcv tipc_recv_work [ 40.642752] Call Trace: [ 40.645314] dump_stack+0x1b2/0x281 [ 40.648926] print_address_description.cold+0x54/0x1d3 [ 40.654181] kasan_report_error.cold+0x8a/0x191 [ 40.658825] ? __lock_acquire+0x2c57/0x3f20 [ 40.663121] __asan_report_load8_noabort+0x68/0x70 [ 40.668020] ? tipc_subscrb_rcv_cb+0x310/0xa40 [ 40.672574] ? __lock_acquire+0x2c57/0x3f20 [ 40.676867] __lock_acquire+0x2c57/0x3f20 [ 40.680988] ? io_schedule_timeout+0x140/0x140 [ 40.685542] ? __wake_up_common_lock+0xcd/0x140 [ 40.690182] ? trace_hardirqs_on+0x10/0x10 [ 40.694386] ? trace_hardirqs_on+0x10/0x10 [ 40.698592] ? preempt_schedule_common+0x45/0xc0 [ 40.703320] ? ___preempt_schedule+0x16/0x18 [ 40.707700] ? tipc_recvmsg+0x43e/0x9e0 [ 40.711651] ? __local_bh_enable_ip+0x132/0x170 [ 40.716289] lock_acquire+0x170/0x3f0 [ 40.720067] ? tipc_subscrb_rcv_cb+0x4d4/0xa40 [ 40.724621] _raw_spin_lock_bh+0x2f/0x40 [ 40.728650] ? tipc_subscrb_rcv_cb+0x4d4/0xa40 [ 40.733201] tipc_subscrb_rcv_cb+0x4d4/0xa40 [ 40.737580] tipc_receive_from_sock+0x25c/0x450 [ 40.742223] ? trace_hardirqs_on+0x10/0x10 [ 40.746440] ? lock_acquire+0x170/0x3f0 [ 40.750384] ? tipc_close_conn+0x200/0x200 [ 40.754593] tipc_recv_work+0x75/0xd0 [ 40.758369] process_one_work+0x793/0x14a0 [ 40.762572] ? work_busy+0x320/0x320 [ 40.766257] ? worker_thread+0x158/0xff0 [ 40.770299] ? _raw_spin_unlock_irq+0x24/0x80 [ 40.774763] worker_thread+0x5cc/0xff0 [ 40.778621] ? rescuer_thread+0xc80/0xc80 [ 40.782738] kthread+0x30d/0x420 [ 40.786079] ? kthread_create_on_node+0xd0/0xd0 [ 40.790731] ret_from_fork+0x24/0x30 [ 40.794414] [ 40.796015] Allocated by task 213: [ 40.799539] kasan_kmalloc+0xeb/0x160 [ 40.803312] kmem_cache_alloc_trace+0x131/0x3d0 [ 40.807951] tipc_subscrb_connect_cb+0x40/0x150 [ 40.812588] tipc_accept_from_sock+0x25b/0x400 [ 40.817140] tipc_recv_work+0x75/0xd0 [ 40.820910] process_one_work+0x793/0x14a0 [ 40.825118] worker_thread+0x5cc/0xff0 [ 40.828976] kthread+0x30d/0x420 [ 40.832314] ret_from_fork+0x24/0x30 [ 40.835998] [ 40.837598] Freed by task 34: [ 40.840674] kasan_slab_free+0xc3/0x1a0 [ 40.844620] kfree+0xc9/0x250 [ 40.847698] tipc_subscrb_put+0x22/0x30 [ 40.851641] tipc_close_conn+0x16a/0x200 [ 40.855672] tipc_send_work+0x41e/0x520 [ 40.859615] process_one_work+0x793/0x14a0 [ 40.863821] worker_thread+0x5cc/0xff0 [ 40.867679] kthread+0x30d/0x420 [ 40.871015] ret_from_fork+0x24/0x30 [ 40.874697] [ 40.876296] The buggy address belongs to the object at ffff8880b0288d00 [ 40.876296] which belongs to the cache kmalloc-96 of size 96 [ 40.888746] The buggy address is located 32 bytes inside of [ 40.888746] 96-byte region [ffff8880b0288d00, ffff8880b0288d60) [ 40.900412] The buggy address belongs to the page: [ 40.905310] page:ffffea0002c0a200 count:1 mapcount:0 mapping:ffff8880b0288000 index:0xffff8880b0288380 [ 40.914720] flags: 0xfff00000000100(slab) [ 40.918840] raw: 00fff00000000100 ffff8880b0288000 ffff8880b0288380 000000010000001d [ 40.926688] raw: ffffea0002bd9320 ffffea0002be79a0 ffff88813fe804c0 0000000000000000 [ 40.934536] page dumped because: kasan: bad access detected [ 40.940209] [ 40.941805] Memory state around the buggy address: [ 40.946703] ffff8880b0288c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 40.954030] ffff8880b0288c80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 40.961360] >ffff8880b0288d00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 40.968686] ^ [ 40.973061] ffff8880b0288d80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 40.980386] ffff8880b0288e00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 40.987710] ================================================================== [ 40.995042] Disabling lock debugging due to kernel taint [ 41.000461] Kernel panic - not syncing: panic_on_warn set ... [ 41.000461] [ 41.007796] CPU: 0 PID: 213 Comm: kworker/u4:3 Tainted: G B 4.14.246-syzkaller #0 [ 41.016516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.025852] Workqueue: tipc_rcv tipc_recv_work [ 41.030405] Call Trace: [ 41.032969] dump_stack+0x1b2/0x281 [ 41.036570] panic+0x1f9/0x42d [ 41.039735] ? add_taint.cold+0x16/0x16 [ 41.043683] ? lock_downgrade+0x740/0x740 [ 41.047807] kasan_end_report+0x43/0x49 [ 41.051750] kasan_report_error.cold+0xa7/0x191 [ 41.056390] ? __lock_acquire+0x2c57/0x3f20 [ 41.060680] __asan_report_load8_noabort+0x68/0x70 [ 41.065580] ? tipc_subscrb_rcv_cb+0x310/0xa40 [ 41.070130] ? __lock_acquire+0x2c57/0x3f20 [ 41.074421] __lock_acquire+0x2c57/0x3f20 [ 41.078543] ? io_schedule_timeout+0x140/0x140 [ 41.083097] ? __wake_up_common_lock+0xcd/0x140 [ 41.087735] ? trace_hardirqs_on+0x10/0x10 [ 41.091937] ? trace_hardirqs_on+0x10/0x10 [ 41.096140] ? preempt_schedule_common+0x45/0xc0 [ 41.100865] ? ___preempt_schedule+0x16/0x18 [ 41.105244] ? tipc_recvmsg+0x43e/0x9e0 [ 41.109189] ? __local_bh_enable_ip+0x132/0x170 [ 41.113825] lock_acquire+0x170/0x3f0 [ 41.117596] ? tipc_subscrb_rcv_cb+0x4d4/0xa40 [ 41.122149] _raw_spin_lock_bh+0x2f/0x40 [ 41.126183] ? tipc_subscrb_rcv_cb+0x4d4/0xa40 [ 41.130735] tipc_subscrb_rcv_cb+0x4d4/0xa40 [ 41.135115] tipc_receive_from_sock+0x25c/0x450 [ 41.139756] ? trace_hardirqs_on+0x10/0x10 [ 41.143958] ? lock_acquire+0x170/0x3f0 [ 41.147900] ? tipc_close_conn+0x200/0x200 [ 41.152103] tipc_recv_work+0x75/0xd0 [ 41.155874] process_one_work+0x793/0x14a0 [ 41.160079] ? work_busy+0x320/0x320 [ 41.163764] ? worker_thread+0x158/0xff0 [ 41.167793] ? _raw_spin_unlock_irq+0x24/0x80 [ 41.172260] worker_thread+0x5cc/0xff0 [ 41.176121] ? rescuer_thread+0xc80/0xc80 [ 41.180239] kthread+0x30d/0x420 [ 41.183579] ? kthread_create_on_node+0xd0/0xd0 [ 41.188216] ret_from_fork+0x24/0x30 [ 41.192159] Kernel Offset: disabled [ 41.195769] Rebooting in 86400 seconds..