Warning: Permanently added '10.128.0.201' (ECDSA) to the list of known hosts. [ 36.590334] IPVS: ftp: loaded support on port[0] = 21 [ 36.682088] chnl_net:caif_netlink_parms(): no params data found [ 36.788338] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.795202] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.802417] device bridge_slave_0 entered promiscuous mode [ 36.810419] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.817026] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.824612] device bridge_slave_1 entered promiscuous mode [ 36.842147] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 36.851078] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 36.869388] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 36.876893] team0: Port device team_slave_0 added [ 36.882324] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 36.890020] team0: Port device team_slave_1 added [ 36.905796] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.912043] 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. [ 36.937603] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.949166] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.955583] 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. [ 36.981094] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.992004] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 36.999736] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 37.018903] device hsr_slave_0 entered promiscuous mode [ 37.024959] device hsr_slave_1 entered promiscuous mode [ 37.030954] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 37.038288] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 37.105114] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.111726] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.118854] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.125295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.156252] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 37.162454] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.172703] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.186626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.196091] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.203845] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.210786] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 37.221168] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 37.227992] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.237668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.245612] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.251956] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.262123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.270711] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.277297] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.295558] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.304189] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.312062] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.322624] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 37.334370] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 37.340650] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.348842] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.356019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.369342] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 37.376775] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.384806] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.396678] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.409359] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 37.419337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.454467] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 37.461477] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 37.468442] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 37.478067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.485753] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.492710] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.503785] device veth0_vlan entered promiscuous mode [ 37.512552] device veth1_vlan entered promiscuous mode [ 37.518976] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 37.528121] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 37.539921] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 37.549676] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.557382] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.565901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.576577] device veth0_macvtap entered promiscuous mode [ 37.582669] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 37.591242] device veth1_macvtap entered promiscuous mode [ 37.600359] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 37.609686] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 37.620051] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.627404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.636331] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 37.647251] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.654910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.767820] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 37.775185] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.790078] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.804792] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 37.810966] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program executing program executing program [ 37.819752] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.828248] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.835099] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.616877] Bluetooth: hci0: command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.691900] Bluetooth: hci0: command 0x041b tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.771729] Bluetooth: hci0: command 0x040f tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 44.849834] Bluetooth: hci0: command 0x0419 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.880426] ================================================================== [ 55.887917] BUG: KASAN: use-after-free in vgem_gem_dumb_create+0x22c/0x240 [ 55.894921] Read of size 8 at addr ffff88809830bb80 by task syz-executor167/13765 [ 55.902609] [ 55.904233] CPU: 0 PID: 13765 Comm: syz-executor167 Not tainted 4.19.194-syzkaller #0 [ 55.912295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.921644] Call Trace: [ 55.924234] dump_stack+0x1fc/0x2ef [ 55.927854] print_address_description.cold+0x54/0x219 [ 55.933121] kasan_report_error.cold+0x8a/0x1b9 [ 55.938164] ? vgem_gem_dumb_create+0x22c/0x240 [ 55.942838] __asan_report_load8_noabort+0x88/0x90 [ 55.947771] ? drm_gem_object_put_unlocked+0x70/0x180 [ 55.953183] ? vgem_gem_dumb_create+0x22c/0x240 [ 55.957980] vgem_gem_dumb_create+0x22c/0x240 [ 55.962467] drm_mode_create_dumb+0x27c/0x300 [ 55.966962] drm_ioctl_kernel+0x208/0x2a0 [ 55.971108] ? drm_mode_create_dumb+0x300/0x300 [ 55.975762] ? drm_ioctl_permit+0x210/0x210 [ 55.980243] ? __might_fault+0x192/0x1d0 [ 55.984299] drm_ioctl+0x507/0x9c0 [ 55.987843] ? drm_mode_create_dumb+0x300/0x300 [ 55.992495] ? drm_getstats+0x20/0x20 [ 55.996281] ? cmp_ex_sort+0xc0/0xc0 [ 56.000208] ? __do_page_fault+0x180/0xd60 [ 56.004450] ? retint_kernel+0x2d/0x2d [ 56.008334] ? futex_exit_release+0x220/0x220 [ 56.012820] ? drm_getstats+0x20/0x20 [ 56.016622] do_vfs_ioctl+0xcdb/0x12e0 [ 56.020497] ? lock_downgrade+0x720/0x720 [ 56.024628] ? check_preemption_disabled+0x41/0x280 [ 56.029640] ? ioctl_preallocate+0x200/0x200 [ 56.034053] ? __fget+0x356/0x510 [ 56.037497] ? do_dup2+0x450/0x450 [ 56.041019] ? __se_sys_futex+0x298/0x3b0 [ 56.045177] ksys_ioctl+0x9b/0xc0 [ 56.048636] __x64_sys_ioctl+0x6f/0xb0 [ 56.052591] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 56.057188] do_syscall_64+0xf9/0x620 [ 56.060994] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.066264] RIP: 0033:0x457f39 [ 56.069626] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 56.088611] RSP: 002b:00007f9d2d9121f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.096325] RAX: ffffffffffffffda RBX: 00000000004d82a8 RCX: 0000000000457f39 [ 56.103582] RDX: 00000000200000c0 RSI: 00000000c02064b2 RDI: 0000000000000003 [ 56.110849] RBP: 00000000004d82a0 R08: 0000000000000000 R09: 0000000000000000 [ 56.118211] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004d82ac [ 56.125475] R13: 00007ffcd1483abf R14: 00007f9d2d912300 R15: 0000000000022000 [ 56.132735] [ 56.134343] Allocated by task 13765: [ 56.138235] kmem_cache_alloc_trace+0x12f/0x380 [ 56.142896] __vgem_gem_create+0x44/0xf0 [ 56.146941] vgem_gem_dumb_create+0xcf/0x240 [ 56.151340] drm_mode_create_dumb+0x27c/0x300 [ 56.155874] drm_ioctl_kernel+0x208/0x2a0 [ 56.160164] drm_ioctl+0x507/0x9c0 [ 56.163779] do_vfs_ioctl+0xcdb/0x12e0 [ 56.167653] ksys_ioctl+0x9b/0xc0 [ 56.171094] __x64_sys_ioctl+0x6f/0xb0 [ 56.175057] do_syscall_64+0xf9/0x620 [ 56.178953] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.184143] [ 56.185753] Freed by task 13765: [ 56.189187] kfree+0xcc/0x210 [ 56.192298] drm_gem_object_free+0x91/0x1c0 [ 56.196695] drm_gem_object_put_unlocked+0xd1/0x180 [ 56.201696] vgem_gem_dumb_create+0x10c/0x240 [ 56.206176] drm_mode_create_dumb+0x27c/0x300 [ 56.210654] drm_ioctl_kernel+0x208/0x2a0 [ 56.214997] drm_ioctl+0x507/0x9c0 [ 56.218624] do_vfs_ioctl+0xcdb/0x12e0 [ 56.222497] ksys_ioctl+0x9b/0xc0 [ 56.225933] __x64_sys_ioctl+0x6f/0xb0 [ 56.229802] do_syscall_64+0xf9/0x620 [ 56.233602] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.238771] [ 56.240388] The buggy address belongs to the object at ffff88809830ba80 [ 56.240388] which belongs to the cache kmalloc-512 of size 512 [ 56.253034] The buggy address is located 256 bytes inside of [ 56.253034] 512-byte region [ffff88809830ba80, ffff88809830bc80) [ 56.265027] The buggy address belongs to the page: [ 56.269959] page:ffffea000260c2c0 count:1 mapcount:0 mapping:ffff88813bff0940 index:0x0 [ 56.278248] flags: 0xfff00000000100(slab) [ 56.282386] raw: 00fff00000000100 ffffea0002d34648 ffffea0002618c88 ffff88813bff0940 [ 56.290253] raw: 0000000000000000 ffff88809830b080 0000000100000006 0000000000000000 [ 56.298121] page dumped because: kasan: bad access detected [ 56.303826] [ 56.305432] Memory state around the buggy address: [ 56.310340] ffff88809830ba80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 56.317679] ffff88809830bb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 56.325043] >ffff88809830bb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 56.332377] ^ [ 56.335723] ffff88809830bc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 56.343153] ffff88809830bc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 56.350587] ================================================================== [ 56.357937] Disabling lock debugging due to kernel taint [ 56.365774] Kernel panic - not syncing: panic_on_warn set ... [ 56.365774] [ 56.373157] CPU: 0 PID: 13765 Comm: syz-executor167 Tainted: G B 4.19.194-syzkaller #0 [ 56.382511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.391950] Call Trace: [ 56.394549] dump_stack+0x1fc/0x2ef [ 56.398176] panic+0x26a/0x50e [ 56.401353] ? __warn_printk+0xf3/0xf3 [ 56.405249] ? preempt_schedule_common+0x45/0xc0 [ 56.409993] ? ___preempt_schedule+0x16/0x18 [ 56.414387] ? trace_hardirqs_on+0x55/0x210 [ 56.418699] kasan_end_report+0x43/0x49 [ 56.422654] kasan_report_error.cold+0xa7/0x1b9 [ 56.427307] ? vgem_gem_dumb_create+0x22c/0x240 [ 56.432044] __asan_report_load8_noabort+0x88/0x90 [ 56.437053] ? drm_gem_object_put_unlocked+0x70/0x180 [ 56.442405] ? vgem_gem_dumb_create+0x22c/0x240 [ 56.447058] vgem_gem_dumb_create+0x22c/0x240 [ 56.451539] drm_mode_create_dumb+0x27c/0x300 [ 56.456015] drm_ioctl_kernel+0x208/0x2a0 [ 56.460342] ? drm_mode_create_dumb+0x300/0x300 [ 56.465003] ? drm_ioctl_permit+0x210/0x210 [ 56.469323] ? __might_fault+0x192/0x1d0 [ 56.473464] drm_ioctl+0x507/0x9c0 [ 56.477014] ? drm_mode_create_dumb+0x300/0x300 [ 56.481681] ? drm_getstats+0x20/0x20 [ 56.485466] ? cmp_ex_sort+0xc0/0xc0 [ 56.489160] ? __do_page_fault+0x180/0xd60 [ 56.493377] ? retint_kernel+0x2d/0x2d [ 56.497269] ? futex_exit_release+0x220/0x220 [ 56.501745] ? drm_getstats+0x20/0x20 [ 56.505616] do_vfs_ioctl+0xcdb/0x12e0 [ 56.509504] ? lock_downgrade+0x720/0x720 [ 56.513630] ? check_preemption_disabled+0x41/0x280 [ 56.518647] ? ioctl_preallocate+0x200/0x200 [ 56.523040] ? __fget+0x356/0x510 [ 56.526472] ? do_dup2+0x450/0x450 [ 56.529992] ? __se_sys_futex+0x298/0x3b0 [ 56.534119] ksys_ioctl+0x9b/0xc0 [ 56.537638] __x64_sys_ioctl+0x6f/0xb0 [ 56.541511] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 56.546073] do_syscall_64+0xf9/0x620 [ 56.549856] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.555457] RIP: 0033:0x457f39 [ 56.558629] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 56.577604] RSP: 002b:00007f9d2d9121f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.585311] RAX: ffffffffffffffda RBX: 00000000004d82a8 RCX: 0000000000457f39 [ 56.592561] RDX: 00000000200000c0 RSI: 00000000c02064b2 RDI: 0000000000000003 [ 56.599811] RBP: 00000000004d82a0 R08: 0000000000000000 R09: 0000000000000000 [ 56.607220] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004d82ac [ 56.614652] R13: 00007ffcd1483abf R14: 00007f9d2d912300 R15: 0000000000022000 [ 56.622062] Kernel Offset: disabled [ 56.625672] Rebooting in 86400 seconds..