Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts. 2021/05/28 18:54:22 parsed 1 programs 2021/05/28 18:54:22 executed programs: 0 [ 1073.206190] IPVS: ftp: loaded support on port[0] = 21 [ 1073.299065] chnl_net:caif_netlink_parms(): no params data found [ 1073.371318] bridge0: port 1(bridge_slave_0) entered blocking state [ 1073.379266] bridge0: port 1(bridge_slave_0) entered disabled state [ 1073.388529] device bridge_slave_0 entered promiscuous mode [ 1073.395946] bridge0: port 2(bridge_slave_1) entered blocking state [ 1073.403005] bridge0: port 2(bridge_slave_1) entered disabled state [ 1073.410218] device bridge_slave_1 entered promiscuous mode [ 1073.426888] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1073.436259] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1073.454689] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1073.461932] team0: Port device team_slave_0 added [ 1073.467421] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1073.475826] team0: Port device team_slave_1 added [ 1073.491025] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1073.497931] 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. [ 1073.523447] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1073.535277] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1073.541751] 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. [ 1073.569885] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1073.580899] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1073.589374] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1073.608759] device hsr_slave_0 entered promiscuous mode [ 1073.615072] device hsr_slave_1 entered promiscuous mode [ 1073.622246] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1073.630138] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1073.693332] bridge0: port 2(bridge_slave_1) entered blocking state [ 1073.700061] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1073.708119] bridge0: port 1(bridge_slave_0) entered blocking state [ 1073.714620] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1073.742736] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1073.749115] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1073.758258] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1073.767526] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1073.786676] bridge0: port 1(bridge_slave_0) entered disabled state [ 1073.794841] bridge0: port 2(bridge_slave_1) entered disabled state [ 1073.806290] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1073.813363] 8021q: adding VLAN 0 to HW filter on device team0 [ 1073.822885] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1073.831178] bridge0: port 1(bridge_slave_0) entered blocking state [ 1073.837992] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1073.853173] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1073.861111] bridge0: port 2(bridge_slave_1) entered blocking state [ 1073.867772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1073.875379] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1073.884289] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1073.898606] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1073.909631] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1073.922459] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1073.929638] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1073.937605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1073.945694] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1073.954703] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1073.966619] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1073.974810] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1073.982232] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1073.994179] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1074.045316] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1074.055780] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1074.085508] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1074.093070] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1074.099544] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1074.109395] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1074.117496] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1074.125031] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1074.134672] device veth0_vlan entered promiscuous mode [ 1074.143911] device veth1_vlan entered promiscuous mode [ 1074.150084] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1074.159155] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1074.169962] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1074.179526] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1074.187217] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1074.194940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1074.205324] device veth0_macvtap entered promiscuous mode [ 1074.211322] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1074.219922] device veth1_macvtap entered promiscuous mode [ 1074.228721] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1074.238581] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1074.248662] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1074.256205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1074.264575] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1074.272677] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1074.283299] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 1074.291219] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1074.299509] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1074.308035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1075.232476] Bluetooth: hci0 command 0x0409 tx timeout [ 1075.523481] ================================================================== [ 1075.531210] BUG: KASAN: use-after-free in vgem_gem_dumb_create+0x200/0x210 [ 1075.538919] Read of size 8 at addr ffff8880aafecb80 by task syz-executor.0/8583 [ 1075.546564] [ 1075.548340] CPU: 1 PID: 8583 Comm: syz-executor.0 Not tainted 4.14.234-syzkaller #0 [ 1075.556211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1075.565647] Call Trace: [ 1075.568234] dump_stack+0x1b2/0x281 [ 1075.572110] print_address_description.cold+0x54/0x1d3 [ 1075.577579] kasan_report_error.cold+0x8a/0x191 [ 1075.582563] ? vgem_gem_dumb_create+0x200/0x210 [ 1075.588034] __asan_report_load8_noabort+0x68/0x70 [ 1075.593128] ? vgem_gem_dumb_create+0x200/0x210 [ 1075.598074] vgem_gem_dumb_create+0x200/0x210 [ 1075.602570] drm_mode_create_dumb_ioctl+0x221/0x2b0 [ 1075.607675] ? __drm_printfn_debug+0x70/0x70 [ 1075.612172] drm_ioctl_kernel+0x14c/0x200 [ 1075.616303] drm_ioctl+0x419/0x870 [ 1075.619832] ? __drm_printfn_debug+0x70/0x70 [ 1075.624351] ? drm_getstats+0x20/0x20 [ 1075.628334] ? futex_exit_release+0x220/0x220 [ 1075.633180] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1075.638490] ? debug_check_no_obj_freed+0x2c0/0x680 [ 1075.643538] ? drm_getstats+0x20/0x20 [ 1075.647430] do_vfs_ioctl+0x75a/0xff0 [ 1075.651229] ? ioctl_preallocate+0x1a0/0x1a0 [ 1075.655624] ? lock_downgrade+0x740/0x740 [ 1075.660048] ? __fget+0x225/0x360 [ 1075.663782] ? do_vfs_ioctl+0xff0/0xff0 [ 1075.667740] ? security_file_ioctl+0x83/0xb0 [ 1075.672477] SyS_ioctl+0x7f/0xb0 [ 1075.675975] ? do_vfs_ioctl+0xff0/0xff0 [ 1075.680024] do_syscall_64+0x1d5/0x640 [ 1075.683895] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1075.689155] RIP: 0033:0x4665d9 [ 1075.692326] RSP: 002b:00007fec0255f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1075.700026] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 1075.707311] RDX: 00000000200000c0 RSI: 00000000c02064b2 RDI: 0000000000000003 [ 1075.714951] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1075.722919] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 1075.730975] R13: 00007ffc9e784aff R14: 00007fec0255f300 R15: 0000000000022000 [ 1075.738589] [ 1075.740198] Allocated by task 8583: [ 1075.744106] kasan_kmalloc+0xeb/0x160 [ 1075.748005] kmem_cache_alloc_trace+0x131/0x3d0 [ 1075.753371] __vgem_gem_create+0x44/0xe0 [ 1075.757516] vgem_gem_dumb_create+0xc5/0x210 [ 1075.761909] drm_mode_create_dumb_ioctl+0x221/0x2b0 [ 1075.767283] drm_ioctl_kernel+0x14c/0x200 [ 1075.771423] drm_ioctl+0x419/0x870 [ 1075.774960] do_vfs_ioctl+0x75a/0xff0 [ 1075.778754] SyS_ioctl+0x7f/0xb0 [ 1075.782189] do_syscall_64+0x1d5/0x640 [ 1075.786075] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1075.791557] [ 1075.793207] Freed by task 8583: [ 1075.796794] kasan_slab_free+0xc3/0x1a0 [ 1075.801390] kfree+0xc9/0x250 [ 1075.805066] drm_gem_object_free+0x8f/0x150 [ 1075.809588] drm_gem_object_put_unlocked+0xc3/0x160 [ 1075.814805] vgem_gem_dumb_create+0xf2/0x210 [ 1075.819477] drm_mode_create_dumb_ioctl+0x221/0x2b0 [ 1075.824864] drm_ioctl_kernel+0x14c/0x200 [ 1075.828997] drm_ioctl+0x419/0x870 [ 1075.832781] do_vfs_ioctl+0x75a/0xff0 [ 1075.836579] SyS_ioctl+0x7f/0xb0 [ 1075.839946] do_syscall_64+0x1d5/0x640 [ 1075.843902] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1075.849171] [ 1075.850994] The buggy address belongs to the object at ffff8880aafeca80 [ 1075.850994] which belongs to the cache kmalloc-512 of size 512 [ 1075.864618] The buggy address is located 256 bytes inside of [ 1075.864618] 512-byte region [ffff8880aafeca80, ffff8880aafecc80) [ 1075.877038] The buggy address belongs to the page: [ 1075.882143] page:ffffea0002abfb00 count:1 mapcount:0 mapping:ffff8880aafec080 index:0xffff8880aafec080 [ 1075.891582] flags: 0xfff00000000100(slab) [ 1075.895714] raw: 00fff00000000100 ffff8880aafec080 ffff8880aafec080 0000000100000002 [ 1075.903919] raw: ffffea0002a858e0 ffffea000288c060 ffff88813fe80940 0000000000000000 [ 1075.912299] page dumped because: kasan: bad access detected [ 1075.918654] [ 1075.920277] Memory state around the buggy address: [ 1075.925211] ffff8880aafeca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1075.932942] ffff8880aafecb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1075.940303] >ffff8880aafecb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1075.948017] ^ [ 1075.951380] ffff8880aafecc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1075.959088] ffff8880aafecc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1075.966971] ================================================================== [ 1075.975001] Disabling lock debugging due to kernel taint [ 1075.985469] Kernel panic - not syncing: panic_on_warn set ... [ 1075.985469] [ 1075.993236] CPU: 1 PID: 8583 Comm: syz-executor.0 Tainted: G B 4.14.234-syzkaller #0 [ 1076.002506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1076.012236] Call Trace: [ 1076.014850] dump_stack+0x1b2/0x281 [ 1076.018564] panic+0x1f9/0x42d [ 1076.021754] ? add_taint.cold+0x16/0x16 [ 1076.026204] ? ___preempt_schedule+0x16/0x18 [ 1076.030734] kasan_end_report+0x43/0x49 [ 1076.034971] kasan_report_error.cold+0xa7/0x191 [ 1076.040074] ? vgem_gem_dumb_create+0x200/0x210 [ 1076.045414] __asan_report_load8_noabort+0x68/0x70 [ 1076.050383] ? vgem_gem_dumb_create+0x200/0x210 [ 1076.055206] vgem_gem_dumb_create+0x200/0x210 [ 1076.059804] drm_mode_create_dumb_ioctl+0x221/0x2b0 [ 1076.064910] ? __drm_printfn_debug+0x70/0x70 [ 1076.069327] drm_ioctl_kernel+0x14c/0x200 [ 1076.073589] drm_ioctl+0x419/0x870 [ 1076.077359] ? __drm_printfn_debug+0x70/0x70 [ 1076.081969] ? drm_getstats+0x20/0x20 [ 1076.085857] ? futex_exit_release+0x220/0x220 [ 1076.090801] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 1076.095901] ? debug_check_no_obj_freed+0x2c0/0x680 [ 1076.101277] ? drm_getstats+0x20/0x20 [ 1076.105180] do_vfs_ioctl+0x75a/0xff0 [ 1076.108965] ? ioctl_preallocate+0x1a0/0x1a0 [ 1076.113444] ? lock_downgrade+0x740/0x740 [ 1076.117590] ? __fget+0x225/0x360 [ 1076.121036] ? do_vfs_ioctl+0xff0/0xff0 [ 1076.125178] ? security_file_ioctl+0x83/0xb0 [ 1076.129829] SyS_ioctl+0x7f/0xb0 [ 1076.133461] ? do_vfs_ioctl+0xff0/0xff0 [ 1076.137607] do_syscall_64+0x1d5/0x640 [ 1076.141495] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1076.146826] RIP: 0033:0x4665d9 [ 1076.150005] RSP: 002b:00007fec0255f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1076.157884] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 1076.165516] RDX: 00000000200000c0 RSI: 00000000c02064b2 RDI: 0000000000000003 [ 1076.173362] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1076.181612] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 1076.188978] R13: 00007ffc9e784aff R14: 00007fec0255f300 R15: 0000000000022000 [ 1076.197803] Kernel Offset: disabled [ 1076.201435] Rebooting in 86400 seconds..