Warning: Permanently added '10.128.0.116' (ECDSA) to the list of known hosts. 2021/07/03 14:20:33 parsed 1 programs 2021/07/03 14:20:33 executed programs: 0 syzkaller login: [ 1580.392222] IPVS: ftp: loaded support on port[0] = 21 [ 1580.520417] chnl_net:caif_netlink_parms(): no params data found [ 1580.626633] bridge0: port 1(bridge_slave_0) entered blocking state [ 1580.633271] bridge0: port 1(bridge_slave_0) entered disabled state [ 1580.641686] device bridge_slave_0 entered promiscuous mode [ 1580.650078] bridge0: port 2(bridge_slave_1) entered blocking state [ 1580.657409] bridge0: port 2(bridge_slave_1) entered disabled state [ 1580.665234] device bridge_slave_1 entered promiscuous mode [ 1580.684245] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1580.692960] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1580.712001] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1580.719469] team0: Port device team_slave_0 added [ 1580.725510] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1580.732876] team0: Port device team_slave_1 added [ 1580.748987] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1580.755499] 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. [ 1580.780916] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1580.792505] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1580.799064] 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. [ 1580.825066] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1580.836233] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1580.843702] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1580.864359] device hsr_slave_0 entered promiscuous mode [ 1580.870087] device hsr_slave_1 entered promiscuous mode [ 1580.876591] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1580.883719] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1580.953007] bridge0: port 2(bridge_slave_1) entered blocking state [ 1580.959455] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1580.966404] bridge0: port 1(bridge_slave_0) entered blocking state [ 1580.972773] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1581.007799] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1581.014391] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1581.022290] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1581.031778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1581.041375] bridge0: port 1(bridge_slave_0) entered disabled state [ 1581.048642] bridge0: port 2(bridge_slave_1) entered disabled state [ 1581.056407] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1581.068191] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1581.074282] 8021q: adding VLAN 0 to HW filter on device team0 [ 1581.082942] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1581.091795] bridge0: port 1(bridge_slave_0) entered blocking state [ 1581.098204] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1581.108521] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1581.116163] bridge0: port 2(bridge_slave_1) entered blocking state [ 1581.122483] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1581.143190] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1581.153016] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1581.164796] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1581.172078] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1581.180175] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1581.187979] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1581.196150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1581.203690] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1581.210477] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1581.224658] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1581.232280] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1581.239056] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1581.250464] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1581.263056] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1581.273254] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1581.304527] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1581.311484] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1581.318803] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1581.328085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1581.335753] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1581.342566] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1581.351710] device veth0_vlan entered promiscuous mode [ 1581.360821] device veth1_vlan entered promiscuous mode [ 1581.367581] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1581.377329] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1581.388773] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1581.398480] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1581.406124] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1581.413346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1581.422908] device veth0_macvtap entered promiscuous mode [ 1581.429531] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1581.437844] device veth1_macvtap entered promiscuous mode [ 1581.447022] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1581.456374] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1581.466393] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1581.473021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1581.482216] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1581.492367] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1581.500506] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1581.613047] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 1581.620162] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1581.639603] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1581.645568] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 1581.652763] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1581.661690] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1581.669819] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1581.677330] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1582.434912] Bluetooth: hci0: command 0x0409 tx timeout 2021/07/03 14:20:38 executed programs: 263 [ 1584.516202] Bluetooth: hci0: command 0x041b tx timeout [ 1586.594897] Bluetooth: hci0: command 0x040f tx timeout [ 1588.683843] Bluetooth: hci0: command 0x0419 tx timeout 2021/07/03 14:20:43 executed programs: 818 2021/07/03 14:20:48 executed programs: 1394 2021/07/03 14:20:53 executed programs: 1947 2021/07/03 14:20:58 executed programs: 2506 [ 1608.355637] ieee802154 phy0 wpan0: encryption failed: -22 [ 1608.361338] ieee802154 phy1 wpan1: encryption failed: -22 2021/07/03 14:21:03 executed programs: 3059 2021/07/03 14:21:08 executed programs: 3615 2021/07/03 14:21:13 executed programs: 4168 2021/07/03 14:21:18 executed programs: 4717 2021/07/03 14:21:23 executed programs: 5267 2021/07/03 14:21:28 executed programs: 5822 2021/07/03 14:21:33 executed programs: 6363 2021/07/03 14:21:38 executed programs: 6904 2021/07/03 14:21:43 executed programs: 7451 2021/07/03 14:21:48 executed programs: 8002 2021/07/03 14:21:53 executed programs: 8538 2021/07/03 14:21:58 executed programs: 9077 2021/07/03 14:22:04 executed programs: 9611 [ 1669.795090] ieee802154 phy0 wpan0: encryption failed: -22 [ 1669.800693] ieee802154 phy1 wpan1: encryption failed: -22 2021/07/03 14:22:09 executed programs: 10145 2021/07/03 14:22:14 executed programs: 10679 2021/07/03 14:22:19 executed programs: 11211 2021/07/03 14:22:24 executed programs: 11753 2021/07/03 14:22:29 executed programs: 12287 2021/07/03 14:22:34 executed programs: 12819 [ 1702.593943] Bluetooth: hci0: command 0x0406 tx timeout 2021/07/03 14:22:39 executed programs: 13355 2021/07/03 14:22:44 executed programs: 13894 2021/07/03 14:22:49 executed programs: 14443 2021/07/03 14:22:54 executed programs: 14967 2021/07/03 14:22:59 executed programs: 15498 2021/07/03 14:23:04 executed programs: 16018 [ 1731.236281] ieee802154 phy0 wpan0: encryption failed: -22 [ 1731.241893] ieee802154 phy1 wpan1: encryption failed: -22 2021/07/03 14:23:09 executed programs: 16536 2021/07/03 14:23:14 executed programs: 17049 2021/07/03 14:23:19 executed programs: 17585 2021/07/03 14:23:24 executed programs: 18110 2021/07/03 14:23:29 executed programs: 18626 2021/07/03 14:23:34 executed programs: 19153 2021/07/03 14:23:39 executed programs: 19674 2021/07/03 14:23:44 executed programs: 20201 2021/07/03 14:23:49 executed programs: 20771 2021/07/03 14:23:54 executed programs: 21337 2021/07/03 14:23:59 executed programs: 21889 2021/07/03 14:24:04 executed programs: 22414 [ 1792.676632] ieee802154 phy0 wpan0: encryption failed: -22 [ 1792.682408] ieee802154 phy1 wpan1: encryption failed: -22 2021/07/03 14:24:09 executed programs: 22939 [ 1797.532928] ================================================================== [ 1797.540414] BUG: KASAN: use-after-free in vgem_gem_dumb_create+0x22c/0x240 [ 1797.547410] Read of size 8 at addr ffff8880ab83bd80 by task syz-executor.0/14091 [ 1797.554917] [ 1797.556549] CPU: 1 PID: 14091 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 1797.564414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1797.573757] Call Trace: [ 1797.576352] dump_stack+0x1fc/0x2ef [ 1797.580013] print_address_description.cold+0x54/0x219 [ 1797.585279] kasan_report_error.cold+0x8a/0x1b9 [ 1797.589980] ? vgem_gem_dumb_create+0x22c/0x240 [ 1797.594659] __asan_report_load8_noabort+0x88/0x90 [ 1797.599606] ? drm_gem_object_put_unlocked+0x20/0x180 [ 1797.604787] ? vgem_gem_dumb_create+0x22c/0x240 [ 1797.609445] vgem_gem_dumb_create+0x22c/0x240 [ 1797.613929] drm_mode_create_dumb+0x27c/0x300 [ 1797.618426] drm_ioctl_kernel+0x208/0x2a0 [ 1797.622560] ? drm_mode_create_dumb+0x300/0x300 [ 1797.627249] ? drm_ioctl_permit+0x210/0x210 [ 1797.631573] ? __might_fault+0x192/0x1d0 [ 1797.635619] drm_ioctl+0x507/0x9c0 [ 1797.639161] ? drm_mode_create_dumb+0x300/0x300 [ 1797.643827] ? drm_getstats+0x20/0x20 [ 1797.647614] ? check_preemption_disabled+0x41/0x280 [ 1797.652613] ? mark_held_locks+0xf0/0xf0 [ 1797.656655] ? percpu_counter_add_batch+0x126/0x180 [ 1797.661655] ? futex_exit_release+0x220/0x220 [ 1797.666135] ? alloc_empty_file+0xd7/0x170 [ 1797.670369] ? drm_getstats+0x20/0x20 [ 1797.674169] do_vfs_ioctl+0xcdb/0x12e0 [ 1797.678041] ? lock_downgrade+0x720/0x720 [ 1797.682172] ? check_preemption_disabled+0x41/0x280 [ 1797.687170] ? ioctl_preallocate+0x200/0x200 [ 1797.691572] ? __fget+0x356/0x510 [ 1797.695010] ? do_dup2+0x450/0x450 [ 1797.698540] ? __se_sys_futex+0x298/0x3b0 [ 1797.702719] ksys_ioctl+0x9b/0xc0 [ 1797.706165] __x64_sys_ioctl+0x6f/0xb0 [ 1797.710035] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1797.714601] do_syscall_64+0xf9/0x620 [ 1797.718473] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1797.723756] RIP: 0033:0x4665d9 [ 1797.726942] 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 [ 1797.745871] RSP: 002b:00007fae4a8bc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1797.753589] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 1797.760843] RDX: 0000000020000000 RSI: 00000000c02064b2 RDI: 0000000000000004 [ 1797.768098] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1797.775356] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 1797.782614] R13: 00007fffdf07226f R14: 00007fae4a8bc300 R15: 0000000000022000 [ 1797.789885] [ 1797.791492] Allocated by task 14091: [ 1797.795216] kmem_cache_alloc_trace+0x12f/0x380 [ 1797.799900] __vgem_gem_create+0x44/0xf0 [ 1797.803951] vgem_gem_dumb_create+0xcf/0x240 [ 1797.808395] drm_mode_create_dumb+0x27c/0x300 [ 1797.812879] drm_ioctl_kernel+0x208/0x2a0 [ 1797.817016] drm_ioctl+0x507/0x9c0 [ 1797.820539] do_vfs_ioctl+0xcdb/0x12e0 [ 1797.824416] ksys_ioctl+0x9b/0xc0 [ 1797.827865] __x64_sys_ioctl+0x6f/0xb0 [ 1797.831733] do_syscall_64+0xf9/0x620 [ 1797.835516] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1797.840871] [ 1797.842600] Freed by task 14091: [ 1797.845956] kfree+0xcc/0x210 [ 1797.849048] drm_gem_object_free+0x91/0x1c0 [ 1797.853550] drm_gem_object_put_unlocked+0xd1/0x180 [ 1797.858570] vgem_gem_dumb_create+0x10c/0x240 [ 1797.863088] drm_mode_create_dumb+0x27c/0x300 [ 1797.867574] drm_ioctl_kernel+0x208/0x2a0 [ 1797.871706] drm_ioctl+0x507/0x9c0 [ 1797.875240] do_vfs_ioctl+0xcdb/0x12e0 [ 1797.879127] ksys_ioctl+0x9b/0xc0 [ 1797.882571] __x64_sys_ioctl+0x6f/0xb0 [ 1797.886469] do_syscall_64+0xf9/0x620 [ 1797.890249] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1797.895413] [ 1797.897028] The buggy address belongs to the object at ffff8880ab83bc80 [ 1797.897028] which belongs to the cache kmalloc-512 of size 512 [ 1797.909690] The buggy address is located 256 bytes inside of [ 1797.909690] 512-byte region [ffff8880ab83bc80, ffff8880ab83be80) [ 1797.921541] The buggy address belongs to the page: [ 1797.926575] page:ffffea0002ae0ec0 count:1 mapcount:0 mapping:ffff88813bff0940 index:0xffff8880ab83b780 [ 1797.936015] flags: 0xfff00000000100(slab) [ 1797.940158] raw: 00fff00000000100 ffffea0002a9c708 ffffea0002704008 ffff88813bff0940 [ 1797.948019] raw: ffff8880ab83b780 ffff8880ab83b000 0000000100000005 0000000000000000 [ 1797.955881] page dumped because: kasan: bad access detected [ 1797.961577] [ 1797.963180] Memory state around the buggy address: [ 1797.968108] ffff8880ab83bc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1797.975467] ffff8880ab83bd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1797.982805] >ffff8880ab83bd80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1797.990153] ^ [ 1797.993494] ffff8880ab83be00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1798.000832] ffff8880ab83be80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1798.008167] ================================================================== [ 1798.015500] Disabling lock debugging due to kernel taint [ 1798.025778] Kernel panic - not syncing: panic_on_warn set ... [ 1798.025778] [ 1798.033171] CPU: 0 PID: 14091 Comm: syz-executor.0 Tainted: G B 4.19.196-syzkaller #0 [ 1798.042608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1798.051964] Call Trace: [ 1798.054575] dump_stack+0x1fc/0x2ef [ 1798.058204] panic+0x26a/0x50e [ 1798.061432] ? __warn_printk+0xf3/0xf3 [ 1798.065315] ? preempt_schedule_common+0x45/0xc0 [ 1798.070053] ? ___preempt_schedule+0x16/0x18 [ 1798.074496] ? trace_hardirqs_on+0x55/0x210 [ 1798.078801] kasan_end_report+0x43/0x49 [ 1798.082764] kasan_report_error.cold+0xa7/0x1b9 [ 1798.087426] ? vgem_gem_dumb_create+0x22c/0x240 [ 1798.092076] __asan_report_load8_noabort+0x88/0x90 [ 1798.097002] ? drm_gem_object_put_unlocked+0x20/0x180 [ 1798.102199] ? vgem_gem_dumb_create+0x22c/0x240 [ 1798.106891] vgem_gem_dumb_create+0x22c/0x240 [ 1798.111390] drm_mode_create_dumb+0x27c/0x300 [ 1798.115870] drm_ioctl_kernel+0x208/0x2a0 [ 1798.120000] ? drm_mode_create_dumb+0x300/0x300 [ 1798.124655] ? drm_ioctl_permit+0x210/0x210 [ 1798.128963] ? __might_fault+0x192/0x1d0 [ 1798.133013] drm_ioctl+0x507/0x9c0 [ 1798.136548] ? drm_mode_create_dumb+0x300/0x300 [ 1798.141204] ? drm_getstats+0x20/0x20 [ 1798.144986] ? check_preemption_disabled+0x41/0x280 [ 1798.149995] ? mark_held_locks+0xf0/0xf0 [ 1798.154044] ? percpu_counter_add_batch+0x126/0x180 [ 1798.159042] ? futex_exit_release+0x220/0x220 [ 1798.163531] ? alloc_empty_file+0xd7/0x170 [ 1798.167755] ? drm_getstats+0x20/0x20 [ 1798.171561] do_vfs_ioctl+0xcdb/0x12e0 [ 1798.175442] ? lock_downgrade+0x720/0x720 [ 1798.179583] ? check_preemption_disabled+0x41/0x280 [ 1798.184589] ? ioctl_preallocate+0x200/0x200 [ 1798.188974] ? __fget+0x356/0x510 [ 1798.192403] ? do_dup2+0x450/0x450 [ 1798.195920] ? __se_sys_futex+0x298/0x3b0 [ 1798.200071] ksys_ioctl+0x9b/0xc0 [ 1798.203518] __x64_sys_ioctl+0x6f/0xb0 [ 1798.207410] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1798.211971] do_syscall_64+0xf9/0x620 [ 1798.215753] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1798.220948] RIP: 0033:0x4665d9 [ 1798.224154] 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 [ 1798.243037] RSP: 002b:00007fae4a8bc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1798.250749] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 1798.258018] RDX: 0000000020000000 RSI: 00000000c02064b2 RDI: 0000000000000004 [ 1798.265283] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 1798.272546] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 1798.279883] R13: 00007fffdf07226f R14: 00007fae4a8bc300 R15: 0000000000022000 [ 1798.287213] Kernel Offset: disabled [ 1798.290829] Rebooting in 86400 seconds..