Warning: Permanently added '10.128.0.252' (ECDSA) to the list of known hosts. 2021/06/22 18:41:18 parsed 1 programs 2021/06/22 18:41:18 executed programs: 0 syzkaller login: [ 1583.284648] IPVS: ftp: loaded support on port[0] = 21 [ 1583.397979] chnl_net:caif_netlink_parms(): no params data found [ 1583.512492] bridge0: port 1(bridge_slave_0) entered blocking state [ 1583.520235] bridge0: port 1(bridge_slave_0) entered disabled state [ 1583.529358] device bridge_slave_0 entered promiscuous mode [ 1583.538341] bridge0: port 2(bridge_slave_1) entered blocking state [ 1583.546918] bridge0: port 2(bridge_slave_1) entered disabled state [ 1583.554745] device bridge_slave_1 entered promiscuous mode [ 1583.574011] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1583.583209] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1583.602997] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1583.610528] team0: Port device team_slave_0 added [ 1583.616022] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1583.623685] team0: Port device team_slave_1 added [ 1583.639367] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1583.645813] 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. [ 1583.672635] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1583.684471] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1583.690974] 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. [ 1583.717184] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1583.730083] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1583.738765] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1583.759632] device hsr_slave_0 entered promiscuous mode [ 1583.765667] device hsr_slave_1 entered promiscuous mode [ 1583.772398] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1583.779912] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1583.849089] bridge0: port 2(bridge_slave_1) entered blocking state [ 1583.856183] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1583.863462] bridge0: port 1(bridge_slave_0) entered blocking state [ 1583.870600] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1583.902521] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1583.910495] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1583.921429] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1583.930775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1583.939692] bridge0: port 1(bridge_slave_0) entered disabled state [ 1583.947268] bridge0: port 2(bridge_slave_1) entered disabled state [ 1583.954243] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1583.965043] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1583.972148] 8021q: adding VLAN 0 to HW filter on device team0 [ 1583.982503] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1583.991242] bridge0: port 1(bridge_slave_0) entered blocking state [ 1583.997689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1584.019106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1584.027797] bridge0: port 2(bridge_slave_1) entered blocking state [ 1584.034217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1584.043512] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1584.052017] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1584.059862] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1584.069830] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1584.080846] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1584.087041] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1584.094271] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1584.101537] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1584.115267] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1584.124423] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1584.132009] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1584.143405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1584.159957] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1584.170099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1584.208664] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1584.215747] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1584.223399] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1584.234009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1584.242944] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1584.250585] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1584.260539] device veth0_vlan entered promiscuous mode [ 1584.271057] device veth1_vlan entered promiscuous mode [ 1584.278202] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1584.288968] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1584.301392] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1584.310984] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1584.319575] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1584.327471] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1584.337619] device veth0_macvtap entered promiscuous mode [ 1584.344197] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1584.353757] device veth1_macvtap entered promiscuous mode [ 1584.363673] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1584.373814] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1584.384695] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1584.392288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1584.401457] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1584.412480] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 1584.420346] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1584.427322] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1584.435457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1584.551164] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1584.559478] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1584.569037] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1584.579063] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1584.601048] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 1584.608009] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1584.615244] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1584.623039] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1585.317916] Bluetooth: hci0: command 0x0409 tx timeout 2021/06/22 18:41:23 executed programs: 152 [ 1587.406581] Bluetooth: hci0: command 0x041b tx timeout [ 1589.476702] Bluetooth: hci0: command 0x040f tx timeout [ 1591.556727] Bluetooth: hci0: command 0x0419 tx timeout 2021/06/22 18:41:28 executed programs: 593 2021/06/22 18:41:33 executed programs: 1127 2021/06/22 18:41:38 executed programs: 1653 2021/06/22 18:41:43 executed programs: 2184 [ 1608.518648] ieee802154 phy0 wpan0: encryption failed: -22 [ 1608.524665] ieee802154 phy1 wpan1: encryption failed: -22 2021/06/22 18:41:48 executed programs: 2707 2021/06/22 18:41:53 executed programs: 3228 2021/06/22 18:41:58 executed programs: 3750 2021/06/22 18:42:03 executed programs: 4261 2021/06/22 18:42:08 executed programs: 4773 2021/06/22 18:42:13 executed programs: 5292 2021/06/22 18:42:18 executed programs: 5817 2021/06/22 18:42:23 executed programs: 6328 2021/06/22 18:42:28 executed programs: 6853 2021/06/22 18:42:33 executed programs: 7378 2021/06/22 18:42:38 executed programs: 7890 2021/06/22 18:42:43 executed programs: 8402 [ 1669.958974] ieee802154 phy0 wpan0: encryption failed: -22 [ 1669.965288] ieee802154 phy1 wpan1: encryption failed: -22 2021/06/22 18:42:48 executed programs: 8922 2021/06/22 18:42:53 executed programs: 9448 2021/06/22 18:42:58 executed programs: 9967 2021/06/22 18:43:03 executed programs: 10470 2021/06/22 18:43:08 executed programs: 10978 2021/06/22 18:43:13 executed programs: 11488 2021/06/22 18:43:18 executed programs: 12001 2021/06/22 18:43:23 executed programs: 12513 [ 1707.890221] Bluetooth: hci0: command 0x0406 tx timeout 2021/06/22 18:43:28 executed programs: 13032 2021/06/22 18:43:33 executed programs: 13541 2021/06/22 18:43:38 executed programs: 14076 2021/06/22 18:43:43 executed programs: 14569 [ 1731.398379] ieee802154 phy0 wpan0: encryption failed: -22 [ 1731.404525] ieee802154 phy1 wpan1: encryption failed: -22 2021/06/22 18:43:48 executed programs: 15076 2021/06/22 18:43:53 executed programs: 15581 2021/06/22 18:43:58 executed programs: 16095 2021/06/22 18:44:03 executed programs: 16588 2021/06/22 18:44:08 executed programs: 17105 2021/06/22 18:44:13 executed programs: 17632 2021/06/22 18:44:18 executed programs: 18132 2021/06/22 18:44:23 executed programs: 18625 2021/06/22 18:44:28 executed programs: 19128 2021/06/22 18:44:33 executed programs: 19614 2021/06/22 18:44:38 executed programs: 20098 [ 1786.009644] ================================================================== [ 1786.017815] BUG: KASAN: use-after-free in vgem_gem_dumb_create+0x22c/0x240 [ 1786.025741] Read of size 8 at addr ffff8880b4931e40 by task syz-executor.0/5709 [ 1786.033802] [ 1786.035515] CPU: 0 PID: 5709 Comm: syz-executor.0 Not tainted 4.19.195-syzkaller #0 [ 1786.043969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1786.054031] Call Trace: [ 1786.056731] dump_stack+0x1fc/0x2ef [ 1786.060616] print_address_description.cold+0x54/0x219 [ 1786.065893] kasan_report_error.cold+0x8a/0x1b9 [ 1786.070849] ? vgem_gem_dumb_create+0x22c/0x240 [ 1786.075596] __asan_report_load8_noabort+0x88/0x90 [ 1786.080540] ? drm_gem_object_put_unlocked+0x60/0x180 [ 1786.085819] ? vgem_gem_dumb_create+0x22c/0x240 [ 1786.090581] vgem_gem_dumb_create+0x22c/0x240 [ 1786.095272] drm_mode_create_dumb+0x27c/0x300 [ 1786.099877] drm_ioctl_kernel+0x208/0x2a0 [ 1786.104254] ? drm_mode_create_dumb+0x300/0x300 [ 1786.109179] ? drm_ioctl_permit+0x210/0x210 [ 1786.113498] ? __might_fault+0x192/0x1d0 [ 1786.117552] drm_ioctl+0x507/0x9c0 [ 1786.121085] ? drm_mode_create_dumb+0x300/0x300 [ 1786.125758] ? drm_getstats+0x20/0x20 [ 1786.129559] ? debug_check_no_obj_freed+0x201/0x490 [ 1786.135040] ? futex_exit_release+0x220/0x220 [ 1786.139530] ? lock_acquire+0x170/0x3c0 [ 1786.143674] ? debug_check_no_obj_freed+0xb5/0x490 [ 1786.148610] ? drm_getstats+0x20/0x20 [ 1786.152506] do_vfs_ioctl+0xcdb/0x12e0 [ 1786.157196] ? lock_downgrade+0x720/0x720 [ 1786.161652] ? check_preemption_disabled+0x41/0x280 [ 1786.166782] ? ioctl_preallocate+0x200/0x200 [ 1786.171212] ? __fget+0x356/0x510 [ 1786.174651] ? do_dup2+0x450/0x450 [ 1786.178180] ? __se_sys_futex+0x298/0x3b0 [ 1786.182341] ksys_ioctl+0x9b/0xc0 [ 1786.185791] __x64_sys_ioctl+0x6f/0xb0 [ 1786.189757] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1786.194519] do_syscall_64+0xf9/0x620 [ 1786.198313] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1786.203591] RIP: 0033:0x4665d9 [ 1786.206785] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 [ 1786.226301] RSP: 002b:00007f2a4c584188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1786.234215] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 1786.241575] RDX: 00000000200000c0 RSI: 00000000c02064b2 RDI: 0000000000000003 [ 1786.249369] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1786.256677] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 1786.264060] R13: 00007ffc0200e0ef R14: 00007f2a4c584300 R15: 0000000000022000 [ 1786.271883] [ 1786.273595] Allocated by task 5709: [ 1786.277213] kmem_cache_alloc_trace+0x12f/0x380 [ 1786.281959] __vgem_gem_create+0x44/0xf0 [ 1786.286065] vgem_gem_dumb_create+0xcf/0x240 [ 1786.290870] drm_mode_create_dumb+0x27c/0x300 [ 1786.295467] drm_ioctl_kernel+0x208/0x2a0 [ 1786.299599] drm_ioctl+0x507/0x9c0 [ 1786.303224] do_vfs_ioctl+0xcdb/0x12e0 [ 1786.307577] ksys_ioctl+0x9b/0xc0 [ 1786.311067] __x64_sys_ioctl+0x6f/0xb0 [ 1786.314956] do_syscall_64+0xf9/0x620 [ 1786.318761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1786.324066] [ 1786.325736] Freed by task 5709: [ 1786.329077] kfree+0xcc/0x210 [ 1786.332390] drm_gem_object_free+0x91/0x1c0 [ 1786.336801] drm_gem_object_put_unlocked+0xd1/0x180 [ 1786.341912] vgem_gem_dumb_create+0x10c/0x240 [ 1786.346507] drm_mode_create_dumb+0x27c/0x300 [ 1786.351111] drm_ioctl_kernel+0x208/0x2a0 [ 1786.355263] drm_ioctl+0x507/0x9c0 [ 1786.358816] do_vfs_ioctl+0xcdb/0x12e0 [ 1786.362775] ksys_ioctl+0x9b/0xc0 [ 1786.366327] __x64_sys_ioctl+0x6f/0xb0 [ 1786.370290] do_syscall_64+0xf9/0x620 [ 1786.374221] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1786.379435] [ 1786.381222] The buggy address belongs to the object at ffff8880b4931d40 [ 1786.381222] which belongs to the cache kmalloc-512 of size 512 [ 1786.393890] The buggy address is located 256 bytes inside of [ 1786.393890] 512-byte region [ffff8880b4931d40, ffff8880b4931f40) [ 1786.405950] The buggy address belongs to the page: [ 1786.411171] page:ffffea0002d24c40 count:1 mapcount:0 mapping:ffff88813bff0940 index:0x0 [ 1786.420236] flags: 0xfff00000000100(slab) [ 1786.424481] raw: 00fff00000000100 ffffea0002d37508 ffffea000263fac8 ffff88813bff0940 [ 1786.432444] raw: 0000000000000000 ffff8880b49310c0 0000000100000006 0000000000000000 [ 1786.440324] page dumped because: kasan: bad access detected [ 1786.446191] [ 1786.447844] Memory state around the buggy address: [ 1786.452783] ffff8880b4931d00: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 1786.460371] ffff8880b4931d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1786.468238] >ffff8880b4931e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1786.475583] ^ [ 1786.481296] ffff8880b4931e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1786.488937] ffff8880b4931f00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 1786.497211] ================================================================== [ 1786.504584] Disabling lock debugging due to kernel taint [ 1786.515410] Kernel panic - not syncing: panic_on_warn set ... [ 1786.515410] [ 1786.522831] CPU: 0 PID: 5709 Comm: syz-executor.0 Tainted: G B 4.19.195-syzkaller #0 [ 1786.532112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1786.541470] Call Trace: [ 1786.544161] dump_stack+0x1fc/0x2ef [ 1786.547792] panic+0x26a/0x50e [ 1786.551024] ? __warn_printk+0xf3/0xf3 [ 1786.555436] ? preempt_schedule_common+0x45/0xc0 [ 1786.560575] ? ___preempt_schedule+0x16/0x18 [ 1786.565277] ? trace_hardirqs_on+0x55/0x210 [ 1786.569674] kasan_end_report+0x43/0x49 [ 1786.573675] kasan_report_error.cold+0xa7/0x1b9 [ 1786.578533] ? vgem_gem_dumb_create+0x22c/0x240 [ 1786.583625] __asan_report_load8_noabort+0x88/0x90 [ 1786.588724] ? drm_gem_object_put_unlocked+0x60/0x180 [ 1786.593902] ? vgem_gem_dumb_create+0x22c/0x240 [ 1786.598570] vgem_gem_dumb_create+0x22c/0x240 [ 1786.603071] drm_mode_create_dumb+0x27c/0x300 [ 1786.607590] drm_ioctl_kernel+0x208/0x2a0 [ 1786.611835] ? drm_mode_create_dumb+0x300/0x300 [ 1786.616488] ? drm_ioctl_permit+0x210/0x210 [ 1786.621124] ? __might_fault+0x192/0x1d0 [ 1786.625564] drm_ioctl+0x507/0x9c0 [ 1786.629306] ? drm_mode_create_dumb+0x300/0x300 [ 1786.634056] ? drm_getstats+0x20/0x20 [ 1786.638248] ? debug_check_no_obj_freed+0x201/0x490 [ 1786.643482] ? futex_exit_release+0x220/0x220 [ 1786.648242] ? lock_acquire+0x170/0x3c0 [ 1786.652207] ? debug_check_no_obj_freed+0xb5/0x490 [ 1786.657299] ? drm_getstats+0x20/0x20 [ 1786.661087] do_vfs_ioctl+0xcdb/0x12e0 [ 1786.664965] ? lock_downgrade+0x720/0x720 [ 1786.669128] ? check_preemption_disabled+0x41/0x280 [ 1786.674134] ? ioctl_preallocate+0x200/0x200 [ 1786.678545] ? __fget+0x356/0x510 [ 1786.682090] ? do_dup2+0x450/0x450 [ 1786.685912] ? __se_sys_futex+0x298/0x3b0 [ 1786.690135] ksys_ioctl+0x9b/0xc0 [ 1786.693591] __x64_sys_ioctl+0x6f/0xb0 [ 1786.697833] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1786.702422] do_syscall_64+0xf9/0x620 [ 1786.706237] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1786.711501] RIP: 0033:0x4665d9 [ 1786.714832] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 [ 1786.734768] RSP: 002b:00007f2a4c584188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1786.742904] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 1786.750359] RDX: 00000000200000c0 RSI: 00000000c02064b2 RDI: 0000000000000003 [ 1786.758005] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1786.765809] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 1786.773427] R13: 00007ffc0200e0ef R14: 00007f2a4c584300 R15: 0000000000022000 [ 1786.781776] Kernel Offset: disabled [ 1786.785402] Rebooting in 86400 seconds..