Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. 2021/02/15 00:32:46 parsed 1 programs 2021/02/15 00:32:46 executed programs: 0 syzkaller login: [ 1578.727335] IPVS: ftp: loaded support on port[0] = 21 [ 1578.831471] chnl_net:caif_netlink_parms(): no params data found [ 1578.914219] bridge0: port 1(bridge_slave_0) entered blocking state [ 1578.921093] bridge0: port 1(bridge_slave_0) entered disabled state [ 1578.929441] device bridge_slave_0 entered promiscuous mode [ 1578.936681] bridge0: port 2(bridge_slave_1) entered blocking state [ 1578.943422] bridge0: port 2(bridge_slave_1) entered disabled state [ 1578.951339] device bridge_slave_1 entered promiscuous mode [ 1578.970081] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1578.979306] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1578.998318] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1579.005862] team0: Port device team_slave_0 added [ 1579.011738] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1579.019421] team0: Port device team_slave_1 added [ 1579.035441] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1579.041837] 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. [ 1579.068133] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1579.079744] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1579.086070] 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. [ 1579.111509] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1579.122197] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1579.129830] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1579.149117] device hsr_slave_0 entered promiscuous mode [ 1579.154874] device hsr_slave_1 entered promiscuous mode [ 1579.161284] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1579.168543] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1579.234216] bridge0: port 2(bridge_slave_1) entered blocking state [ 1579.240661] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1579.247430] bridge0: port 1(bridge_slave_0) entered blocking state [ 1579.253840] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1579.285940] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1579.293133] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1579.303370] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1579.313274] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1579.322092] bridge0: port 1(bridge_slave_0) entered disabled state [ 1579.329725] bridge0: port 2(bridge_slave_1) entered disabled state [ 1579.336703] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1579.349023] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1579.355102] 8021q: adding VLAN 0 to HW filter on device team0 [ 1579.364413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1579.372475] bridge0: port 1(bridge_slave_0) entered blocking state [ 1579.379313] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1579.389207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1579.396834] bridge0: port 2(bridge_slave_1) entered blocking state [ 1579.403254] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1579.417918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1579.427192] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1579.437215] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1579.448778] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1579.459900] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1579.471181] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1579.477224] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1579.484988] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1579.499752] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1579.507252] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1579.514283] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1579.525954] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1579.538755] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1579.548715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1579.582784] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1579.590610] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1579.597149] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1579.608725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1579.616311] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1579.624492] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1579.633960] device veth0_vlan entered promiscuous mode [ 1579.644047] device veth1_vlan entered promiscuous mode [ 1579.654415] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1579.663379] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1579.674981] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1579.684647] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1579.692660] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1579.700556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1579.711092] device veth0_macvtap entered promiscuous mode [ 1579.717276] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1579.726329] device veth1_macvtap entered promiscuous mode [ 1579.735642] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1579.745138] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1579.755314] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1579.762802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1579.771482] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1579.782248] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1579.789511] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1579.911164] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1579.917938] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1579.931529] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1579.944590] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1579.957348] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 1579.964261] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1579.972372] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1579.979811] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1580.759658] Bluetooth: hci0: command 0x0409 tx timeout 2021/02/15 00:32:51 executed programs: 162 [ 1582.838345] Bluetooth: hci0: command 0x041b tx timeout [ 1584.917834] Bluetooth: hci0: command 0x040f tx timeout [ 1587.007510] Bluetooth: hci0: command 0x0419 tx timeout 2021/02/15 00:32:56 executed programs: 602 2021/02/15 00:33:01 executed programs: 1121 2021/02/15 00:33:06 executed programs: 1627 2021/02/15 00:33:11 executed programs: 2130 2021/02/15 00:33:16 executed programs: 2605 [ 1608.438406] ieee802154 phy0 wpan0: encryption failed: -22 [ 1608.444171] ieee802154 phy1 wpan1: encryption failed: -22 2021/02/15 00:33:21 executed programs: 3077 2021/02/15 00:33:26 executed programs: 3541 2021/02/15 00:33:31 executed programs: 3980 [ 1624.110492] ================================================================== [ 1624.117938] BUG: KASAN: use-after-free in __lock_acquire+0x2cb4/0x3ff0 [ 1624.124886] Read of size 8 at addr ffff8880ab272b20 by task syz-executor.0/8123 [ 1624.132311] [ 1624.133924] CPU: 1 PID: 8123 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 1624.141753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1624.151096] Call Trace: [ 1624.153668] dump_stack+0x1fc/0x2ef [ 1624.157279] print_address_description.cold+0x54/0x219 [ 1624.162536] kasan_report_error.cold+0x8a/0x1b9 [ 1624.167183] ? __lock_acquire+0x2cb4/0x3ff0 [ 1624.171491] __asan_report_load8_noabort+0x88/0x90 [ 1624.176401] ? __lock_acquire+0x2cb4/0x3ff0 [ 1624.180706] __lock_acquire+0x2cb4/0x3ff0 [ 1624.184861] ? trace_hardirqs_off+0x64/0x200 [ 1624.189271] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1624.194419] ? debug_object_assert_init+0x242/0x2e0 [ 1624.199475] ? mark_held_locks+0xf0/0xf0 [ 1624.203517] ? debug_object_free+0x380/0x380 [ 1624.207920] ? kfree+0xcc/0x210 [ 1624.211267] ? kfree_const+0x51/0x60 [ 1624.214978] ? kobject_put+0x2b5/0x5d0 [ 1624.218843] ? put_device+0x1c/0x30 [ 1624.222449] ? lock_acquire+0x170/0x3c0 [ 1624.226401] ? l2cap_conn_del+0x39b/0x6e0 [ 1624.230529] ? del_timer+0xc3/0x100 [ 1624.234133] lock_acquire+0x170/0x3c0 [ 1624.237915] ? lock_sock_nested+0x3b/0x110 [ 1624.242128] _raw_spin_lock_bh+0x2f/0x40 [ 1624.246184] ? lock_sock_nested+0x3b/0x110 [ 1624.250435] lock_sock_nested+0x3b/0x110 [ 1624.254488] l2cap_sock_teardown_cb+0xa0/0x6d0 [ 1624.259057] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1624.263625] l2cap_chan_del+0xbc/0xa50 [ 1624.267494] l2cap_conn_del+0x3a6/0x6e0 [ 1624.271452] ? l2cap_conn_del+0x6e0/0x6e0 [ 1624.275579] l2cap_disconn_cfm+0x98/0xd0 [ 1624.279627] hci_conn_hash_flush+0x127/0x260 [ 1624.284031] hci_dev_do_close+0x659/0xf10 [ 1624.288159] ? hci_dev_open+0x250/0x250 [ 1624.292111] ? hci_unregister_dev+0x71/0x910 [ 1624.296498] hci_unregister_dev+0x18b/0x910 [ 1624.300799] ? vhci_close_dev+0x50/0x50 [ 1624.304751] vhci_release+0x70/0xe0 [ 1624.308386] __fput+0x2ce/0x890 [ 1624.311649] task_work_run+0x148/0x1c0 [ 1624.315517] do_exit+0xbf3/0x2be0 [ 1624.318952] ? lock_downgrade+0x720/0x720 [ 1624.323164] ? mm_update_next_owner+0x650/0x650 [ 1624.327812] ? up_read+0x17/0x110 [ 1624.331246] ? __do_page_fault+0x180/0xd60 [ 1624.335830] do_group_exit+0x125/0x310 [ 1624.339698] __x64_sys_exit_group+0x3a/0x50 [ 1624.343999] do_syscall_64+0xf9/0x620 [ 1624.347795] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1624.352962] RIP: 0033:0x465d99 [ 1624.356135] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 83 ec 18 48 89 6c 24 10 48 8d 6c 24 10 48 8b 44 24 18 48 89 04 24 48 8d <44> 24 20 48 89 44 24 08 e8 5a 9b fd ff 48 8b 6c 24 10 48 83 c4 18 [ 1624.375041] RSP: 002b:00007ffc0b5e0718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1624.382729] RAX: ffffffffffffffda RBX: 000000000000300a RCX: 0000000000465d99 [ 1624.390080] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000043 [ 1624.397333] RBP: 00000000004bcaed R08: 000000000000000b R09: 0000000000000004 [ 1624.404585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1624.411836] R13: 000000000018c8ae R14: 0000000000000004 R15: 00007ffc0b5e0900 [ 1624.419088] [ 1624.420698] Allocated by task 20998: [ 1624.424393] __kmalloc+0x15a/0x3c0 [ 1624.427914] sk_prot_alloc+0x1e2/0x2d0 [ 1624.431815] sk_alloc+0x36/0xec0 [ 1624.435175] l2cap_sock_alloc.constprop.0+0x31/0x210 [ 1624.440255] l2cap_sock_create+0x123/0x1f0 [ 1624.444467] bt_sock_create+0x154/0x2a0 [ 1624.448419] __sock_create+0x3d8/0x740 [ 1624.452283] __sys_socket+0xef/0x200 [ 1624.455974] __x64_sys_socket+0x6f/0xb0 [ 1624.459925] do_syscall_64+0xf9/0x620 [ 1624.463706] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1624.468867] [ 1624.470471] Freed by task 20997: [ 1624.473830] kfree+0xcc/0x210 [ 1624.476916] __sk_destruct+0x684/0x8a0 [ 1624.480782] __sk_free+0x165/0x3b0 [ 1624.484297] sk_free+0x3b/0x50 [ 1624.487483] l2cap_sock_kill.part.0+0x124/0x150 [ 1624.492129] l2cap_sock_release+0x1e6/0x290 [ 1624.496446] __sock_release+0xcd/0x2a0 [ 1624.500310] sock_close+0x15/0x20 [ 1624.503760] __fput+0x2ce/0x890 [ 1624.507016] task_work_run+0x148/0x1c0 [ 1624.510881] exit_to_usermode_loop+0x251/0x2a0 [ 1624.515441] do_syscall_64+0x538/0x620 [ 1624.519305] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1624.524465] [ 1624.526073] The buggy address belongs to the object at ffff8880ab272a80 [ 1624.526073] which belongs to the cache kmalloc-2048 of size 2048 [ 1624.538969] The buggy address is located 160 bytes inside of [ 1624.538969] 2048-byte region [ffff8880ab272a80, ffff8880ab273280) [ 1624.550905] The buggy address belongs to the page: [ 1624.555822] page:ffffea0002ac9c80 count:1 mapcount:0 mapping:ffff88813bff0c40 index:0x0 compound_mapcount: 0 [ 1624.565763] flags: 0xfff00000008100(slab|head) [ 1624.570324] raw: 00fff00000008100 ffffea0002adf408 ffffea0002ade988 ffff88813bff0c40 [ 1624.578181] raw: 0000000000000000 ffff8880ab272200 0000000100000003 0000000000000000 [ 1624.586036] page dumped because: kasan: bad access detected [ 1624.591717] [ 1624.593317] Memory state around the buggy address: [ 1624.598221] ffff8880ab272a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1624.605556] ffff8880ab272a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1624.612891] >ffff8880ab272b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1624.620224] ^ [ 1624.624628] ffff8880ab272b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1624.631990] ffff8880ab272c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1624.639329] ================================================================== [ 1624.646660] Disabling lock debugging due to kernel taint [ 1624.652089] Kernel panic - not syncing: panic_on_warn set ... [ 1624.652089] [ 1624.659445] CPU: 1 PID: 8123 Comm: syz-executor.0 Tainted: G B 4.19.172-syzkaller #0 [ 1624.668604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1624.677939] Call Trace: [ 1624.680529] dump_stack+0x1fc/0x2ef [ 1624.684143] panic+0x26a/0x50e [ 1624.687314] ? __warn_printk+0xf3/0xf3 [ 1624.691183] ? lock_downgrade+0x720/0x720 [ 1624.695312] ? print_shadow_for_address+0xb8/0x114 [ 1624.700235] ? trace_hardirqs_off+0x64/0x200 [ 1624.704630] kasan_end_report+0x43/0x49 [ 1624.708597] kasan_report_error.cold+0xa7/0x1b9 [ 1624.713267] ? __lock_acquire+0x2cb4/0x3ff0 [ 1624.717585] __asan_report_load8_noabort+0x88/0x90 [ 1624.722492] ? __lock_acquire+0x2cb4/0x3ff0 [ 1624.726810] __lock_acquire+0x2cb4/0x3ff0 [ 1624.730940] ? trace_hardirqs_off+0x64/0x200 [ 1624.735326] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1624.740408] ? debug_object_assert_init+0x242/0x2e0 [ 1624.745404] ? mark_held_locks+0xf0/0xf0 [ 1624.749443] ? debug_object_free+0x380/0x380 [ 1624.753830] ? kfree+0xcc/0x210 [ 1624.757088] ? kfree_const+0x51/0x60 [ 1624.760779] ? kobject_put+0x2b5/0x5d0 [ 1624.764643] ? put_device+0x1c/0x30 [ 1624.768250] ? lock_acquire+0x170/0x3c0 [ 1624.772201] ? l2cap_conn_del+0x39b/0x6e0 [ 1624.776327] ? del_timer+0xc3/0x100 [ 1624.779933] lock_acquire+0x170/0x3c0 [ 1624.783709] ? lock_sock_nested+0x3b/0x110 [ 1624.787923] _raw_spin_lock_bh+0x2f/0x40 [ 1624.792050] ? lock_sock_nested+0x3b/0x110 [ 1624.796263] lock_sock_nested+0x3b/0x110 [ 1624.800310] l2cap_sock_teardown_cb+0xa0/0x6d0 [ 1624.804875] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1624.809436] l2cap_chan_del+0xbc/0xa50 [ 1624.813319] l2cap_conn_del+0x3a6/0x6e0 [ 1624.817271] ? l2cap_conn_del+0x6e0/0x6e0 [ 1624.821396] l2cap_disconn_cfm+0x98/0xd0 [ 1624.825438] hci_conn_hash_flush+0x127/0x260 [ 1624.829825] hci_dev_do_close+0x659/0xf10 [ 1624.833951] ? hci_dev_open+0x250/0x250 [ 1624.837906] ? hci_unregister_dev+0x71/0x910 [ 1624.842292] hci_unregister_dev+0x18b/0x910 [ 1624.846612] ? vhci_close_dev+0x50/0x50 [ 1624.850565] vhci_release+0x70/0xe0 [ 1624.854176] __fput+0x2ce/0x890 [ 1624.857436] task_work_run+0x148/0x1c0 [ 1624.861306] do_exit+0xbf3/0x2be0 [ 1624.864745] ? lock_downgrade+0x720/0x720 [ 1624.868875] ? mm_update_next_owner+0x650/0x650 [ 1624.873522] ? up_read+0x17/0x110 [ 1624.876953] ? __do_page_fault+0x180/0xd60 [ 1624.881166] do_group_exit+0x125/0x310 [ 1624.885039] __x64_sys_exit_group+0x3a/0x50 [ 1624.889338] do_syscall_64+0xf9/0x620 [ 1624.893118] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1624.898287] RIP: 0033:0x465d99 [ 1624.901474] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 83 ec 18 48 89 6c 24 10 48 8d 6c 24 10 48 8b 44 24 18 48 89 04 24 48 8d <44> 24 20 48 89 44 24 08 e8 5a 9b fd ff 48 8b 6c 24 10 48 83 c4 18 [ 1624.920354] RSP: 002b:00007ffc0b5e0718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1624.928057] RAX: ffffffffffffffda RBX: 000000000000300a RCX: 0000000000465d99 [ 1624.935304] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000043 [ 1624.942569] RBP: 00000000004bcaed R08: 000000000000000b R09: 0000000000000004 [ 1624.949815] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1624.957064] R13: 000000000018c8ae R14: 0000000000000004 R15: 00007ffc0b5e0900 [ 1624.964369] Kernel Offset: disabled [ 1624.967976] Rebooting in 86400 seconds..