[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.111' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 40.841594] audit: type=1400 audit(1601893622.987:8): avc: denied { execmem } for pid=6484 comm="syz-executor700" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[ 40.856779] IPVS: ftp: loaded support on port[0] = 21
[ 40.908975] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[ 40.928070] EXT4-fs (loop0): re-mounted. Opts:
[ 40.937451] Quota error (device loop0): qtree_write_dquot: Error -394896789 occurred while creating quota
[ 40.948879] EXT4-fs error (device loop0): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 8192 vs 22 free clusters
[ 40.963293] Quota error (device loop0): write_blk: dquota write failed
[ 40.970670] Quota error (device loop0): qtree_write_dquot: Error -28 occurred while creating quota
[ 40.985676] BUG: unable to handle kernel paging request at fffffbfffd0ecb6c
[ 40.992810] PGD 21ffed067 P4D 21ffed067 PUD 21ffec067 PMD 0
[ 40.998609] Oops: 0000 [#1] PREEMPT SMP KASAN
[ 41.003081] CPU: 1 PID: 6485 Comm: syz-executor700 Not tainted 4.19.149-syzkaller #0
[ 41.010949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 41.020309] RIP: 0010:check_memory_region+0xc8/0x170
[ 41.025405] 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
[ 41.044303] RSP: 0018:ffff8880897ff870 EFLAGS: 00010282
[ 41.049662] RAX: fffffbfffd0ecb6c RBX: fffffbfffd0ecb6d RCX: ffffffff81d2496e
[ 41.056918] RDX: fffffbfffd0ecb6d RSI: 0000000000000004 RDI: ffffffffe8765b63
[ 41.064181] RBP: fffffbfffd0ecb6c R08: 0000000000000000 R09: fffffbfffd0ecb6c
[ 41.071528] R10: ffffffffe8765b66 R11: 0000000000000001 R12: ffffffffe8765b63
[ 41.078778] R13: 0000000000000006 R14: fffffbfffd0ecb6c R15: ffff888080035598
[ 41.086026] FS: 0000000000cfb880(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000
[ 41.094243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.100104] CR2: fffffbfffd0ecb6c CR3: 000000000946d000 CR4: 00000000001406e0
[ 41.107355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 41.114606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 41.121860] Call Trace:
[ 41.124432] dqput.part.0+0xae/0x850
[ 41.128145] __dquot_drop+0x1c6/0x2a0
[ 41.131933] ? dquot_scan_active+0x310/0x310
[ 41.136329] ? _raw_spin_unlock_irq+0x24/0x90
[ 41.140822] ? lockdep_hardirqs_on+0x3c1/0x5e0
[ 41.145394] dquot_drop+0x14b/0x1a0
[ 41.149032] ext4_clear_inode+0x31/0x1d0
[ 41.153075] ext4_evict_inode+0x25b/0x1830
[ 41.157300] ? ext4_journalled_write_end+0x14b0/0x14b0
[ 41.162574] ? ext4_journalled_write_end+0x14b0/0x14b0
[ 41.167859] evict+0x2ed/0x780
[ 41.171032] dispose_list+0x124/0x1f0
[ 41.174810] evict_inodes+0x341/0x430
[ 41.178596] ? dispose_list+0x1f0/0x1f0
[ 41.182563] ? filemap_write_and_wait+0x90/0xd0
[ 41.187215] ? __sync_blockdev+0x7c/0xd0
[ 41.191270] generic_shutdown_super+0xb3/0x370
[ 41.195858] kill_block_super+0x97/0xf0
[ 41.199835] deactivate_locked_super+0x8c/0x100
[ 41.204501] deactivate_super+0x174/0x1a0
[ 41.208679] ? deactivate_locked_super+0x100/0x100
[ 41.213598] ? dput+0x31/0x6a0
[ 41.216779] cleanup_mnt+0x1da/0x300
[ 41.220526] task_work_run+0x141/0x1c0
[ 41.224427] do_exit+0xc09/0x2d80
[ 41.227870] ? mm_update_next_owner+0x660/0x660
[ 41.232522] ? up_read+0x17/0x110
[ 41.235966] ? __do_page_fault+0x1ca/0xe00
[ 41.240187] do_group_exit+0x125/0x320
[ 41.244073] __x64_sys_exit_group+0x3a/0x50
[ 41.248379] do_syscall_64+0xf9/0x670
[ 41.252175] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 41.257360] RIP: 0033:0x443a18
[ 41.260539] Code: Bad RIP value.
[ 41.263879] RSP: 002b:00007ffdfe3bd128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 41.271587] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000443a18
[ 41.278880] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
[ 41.286146] RBP: 00000000004c3eb0 R08: 00000000000000e7 R09: ffffffffffffffd0
[ 41.293399] R10: 00007ffdfe3bd010 R11: 0000000000000246 R12: 0000000000000001
[ 41.300650] R13: 00000000006d6180 R14: 0000000000000000 R15: 0000000000000000
[ 41.307917] Modules linked in:
[ 41.311086] CR2: fffffbfffd0ecb6c
[ 41.314520] ---[ end trace e68f272e61674ea6 ]---
[ 41.319259] RIP: 0010:check_memory_region+0xc8/0x170
[ 41.324343] 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
[ 41.343247] RSP: 0018:ffff8880897ff870 EFLAGS: 00010282
[ 41.348619] RAX: fffffbfffd0ecb6c RBX: fffffbfffd0ecb6d RCX: ffffffff81d2496e
[ 41.355881] RDX: fffffbfffd0ecb6d RSI: 0000000000000004 RDI: ffffffffe8765b63
[ 41.363154] RBP: fffffbfffd0ecb6c R08: 0000000000000000 R09: fffffbfffd0ecb6c
[ 41.370405] R10: ffffffffe8765b66 R11: 0000000000000001 R12: ffffffffe8765b63
[ 41.377656] R13: 0000000000000006 R14: fffffbfffd0ecb6c R15: ffff888080035598
[ 41.384907] FS: 0000000000cfb880(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000
[ 41.393114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.398996] CR2: 00000000004439ee CR3: 000000000946d000 CR4: 00000000001406e0
[ 41.406247] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 41.413515] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 41.420765] Kernel panic - not syncing: Fatal exception
[ 41.427238] Kernel Offset: disabled
[ 41.430864] Rebooting in 86400 seconds..