[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.97' (ECDSA) to the list of known hosts. syzkaller login: [ 35.132949] IPVS: ftp: loaded support on port[0] = 21 executing program [ 35.208970] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 35.222921] Quota error (device loop0): qtree_write_dquot: Error -1079867134 occurred while creating quota [ 35.237724] BUG: unable to handle kernel paging request at fffffbfff7f4513f [ 35.244842] PGD 23fff1067 P4D 23fff1067 PUD 23fff0067 PMD 0 [ 35.250688] Oops: 0000 [#1] PREEMPT SMP KASAN [ 35.255182] CPU: 0 PID: 8085 Comm: syz-executor301 Not tainted 4.19.211-syzkaller #0 [ 35.263038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 35.272386] RIP: 0010:check_memory_region+0xc8/0x170 [ 35.277472] Code: 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 5b 5d 41 5c c3 48 85 d2 74 f6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 e8 <80> 38 00 74 f2 eb d8 41 bc 08 00 00 00 48 89 ea 45 29 dc 4e 8d 5c [ 35.296356] RSP: 0018:ffff8880b44e7880 EFLAGS: 00010292 [ 35.301701] RAX: fffffbfff7f4513f RBX: fffffbfff7f45140 RCX: ffffffff81be289e [ 35.308952] RDX: fffffbfff7f45140 RSI: 0000000000000004 RDI: ffffffffbfa289fa [ 35.316214] RBP: fffffbfff7f4513f R08: 0000000000000000 R09: fffffbfff7f4513f [ 35.323462] R10: ffffffffbfa289fd R11: 0000000000074071 R12: ffffffffbfa289fa [ 35.330726] R13: 0000000000000005 R14: fffffbfff7f4513f R15: ffff88808db9ea18 [ 35.337979] FS: 00005555561dc3c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 35.346186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.352048] CR2: fffffbfff7f4513f CR3: 000000009292d000 CR4: 00000000003406f0 [ 35.359299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.366549] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.373795] Call Trace: [ 35.376372] dqput.part.0+0xae/0x830 [ 35.380074] __dquot_drop+0x19c/0x270 [ 35.383864] ? dquot_scan_active+0x310/0x310 [ 35.388259] ? mark_held_locks+0xa6/0xf0 [ 35.392307] ? _raw_spin_unlock_irq+0x24/0x80 [ 35.396785] dquot_drop+0x14b/0x1a0 [ 35.400409] ext4_clear_inode+0x31/0x1d0 [ 35.404452] ext4_evict_inode+0x25b/0x17b0 [ 35.408667] ? ext4_journalled_write_end+0x1450/0x1450 [ 35.413923] ? ext4_journalled_write_end+0x1450/0x1450 [ 35.419176] evict+0x2ed/0x760 [ 35.422348] dispose_list+0x124/0x1f0 [ 35.426127] evict_inodes+0x341/0x430 [ 35.429908] ? dispose_list+0x1f0/0x1f0 [ 35.433867] ? filemap_write_and_wait+0x90/0xd0 [ 35.438512] ? __sync_blockdev+0x7c/0xd0 [ 35.442555] generic_shutdown_super+0xb3/0x370 [ 35.447119] kill_block_super+0x97/0xf0 [ 35.451074] deactivate_locked_super+0x94/0x160 [ 35.455728] deactivate_super+0x174/0x1a0 [ 35.459862] ? deactivate_locked_super+0x160/0x160 [ 35.464769] ? dput+0x31/0x640 [ 35.467943] cleanup_mnt+0x1a8/0x290 [ 35.471636] task_work_run+0x148/0x1c0 [ 35.475502] do_exit+0xbf3/0x2be0 [ 35.478936] ? lock_downgrade+0x720/0x720 [ 35.483061] ? mm_update_next_owner+0x650/0x650 [ 35.487710] ? up_read+0x17/0x110 [ 35.491146] ? __do_page_fault+0x180/0xd60 [ 35.495362] do_group_exit+0x125/0x310 [ 35.499232] __x64_sys_exit_group+0x3a/0x50 [ 35.503558] do_syscall_64+0xf9/0x620 [ 35.507341] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.512521] RIP: 0033:0x7fe418a98619 [ 35.516222] Code: Bad RIP value. [ 35.519575] RSP: 002b:00007ffca8003018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.527264] RAX: ffffffffffffffda RBX: 00007fe418b0d330 RCX: 00007fe418a98619 [ 35.534517] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 35.541775] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007ffca8003078 [ 35.549035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe418b0d330 [ 35.556286] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 35.563570] Modules linked in: [ 35.566745] CR2: fffffbfff7f4513f [ 35.570297] ---[ end trace 800dc7aef8b8983c ]--- [ 35.575040] RIP: 0010:check_memory_region+0xc8/0x170 [ 35.580126] Code: 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 5b 5d 41 5c c3 48 85 d2 74 f6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 e8 <80> 38 00 74 f2 eb d8 41 bc 08 00 00 00 48 89 ea 45 29 dc 4e 8d 5c [ 35.599121] RSP: 0018:ffff8880b44e7880 EFLAGS: 00010292 [ 35.604462] RAX: fffffbfff7f4513f RBX: fffffbfff7f45140 RCX: ffffffff81be289e [ 35.611724] RDX: fffffbfff7f45140 RSI: 0000000000000004 RDI: ffffffffbfa289fa [ 35.618972] RBP: fffffbfff7f4513f R08: 0000000000000000 R09: fffffbfff7f4513f [ 35.626218] R10: ffffffffbfa289fd R11: 0000000000074071 R12: ffffffffbfa289fa [ 35.633468] R13: 0000000000000005 R14: fffffbfff7f4513f R15: ffff88808db9ea18 [ 35.640733] FS: 00005555561dc3c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 35.648939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.654799] CR2: 00007fe418a985ef CR3: 000000009292d000 CR4: 00000000003406f0 [ 35.662224] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.669470] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.676735] Kernel panic - not syncing: Fatal exception [ 35.682237] Kernel Offset: disabled [ 35.685845] Rebooting in 86400 seconds..