[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Update UTMP about System Runlevel Changes.
[  OK  ] Started Load/Save RF Kill Switch Status.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.120' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   32.986125] audit: type=1400 audit(1601677740.552:8): avc:  denied  { execmem } for  pid=6359 comm="syz-executor159" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   32.993360] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   32.993360] 
[   33.017955] BUG: unable to handle kernel paging request at ffffffffffffff80
[   33.025074] IP: diFree+0x12e/0x2830
[   33.028686] PGD 7c6d067 P4D 7c6d067 PUD 7c6f067 PMD 0 
[   33.033958] Oops: 0000 [#1] PREEMPT SMP KASAN
[   33.038474] Modules linked in:
[   33.041643] CPU: 1 PID: 6359 Comm: syz-executor159 Not tainted 4.14.198-syzkaller #0
[   33.049493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.058851] task: ffff8880971e8600 task.stack: ffff888097758000
[   33.064887] RIP: 0010:diFree+0x12e/0x2830
[   33.069006] RSP: 0018:ffff88809775f9a8 EFLAGS: 00010246
[   33.074356] RAX: 0000000000000000 RBX: ffff8880905a2ac0 RCX: ffff88808269e474
[   33.081602] RDX: 1ffffffffffffff0 RSI: 0000000000000000 RDI: ffffffffffffff80
[   33.088853] RBP: ffff88808269e468 R08: ffffffff8a09ad30 R09: 0000000000000001
[   33.096110] R10: 0000000000000000 R11: ffff8880971e8600 R12: ffff88808269e468
[   33.103368] R13: ffff88808269e490 R14: ffffffff86d12980 R15: ffff88808269e620
[   33.110616] FS:  00000000012ab880(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
[   33.118813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.124671] CR2: ffffffffffffff80 CR3: 0000000088dfb000 CR4: 00000000001406e0
[   33.131917] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.139166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.146416] Call Trace:
[   33.148989]  ? trace_hardirqs_on+0x10/0x10
[   33.153210]  ? pagevec_lookup_entries+0x35/0x70
[   33.157867]  ? trace_hardirqs_on+0x10/0x10
[   33.162091]  ? truncate_inode_pages_range+0x45a/0x13e0
[   33.167352]  ? generic_error_remove_page+0xb0/0xb0
[   33.172262]  ? __inode_wait_for_writeback+0x140/0x190
[   33.177458]  ? dquot_initialize_needed+0x240/0x240
[   33.182363]  ? diWrite+0x1240/0x1240
[   33.186085]  ? jfs_write_inode+0x190/0x190
[   33.190309]  jfs_evict_inode+0xee/0x130
[   33.194260]  evict+0x2c8/0x700
[   33.197430]  iput+0x458/0x7e0
[   33.200512]  diFreeSpecial+0x63/0x80
[   33.204215]  jfs_mount+0x20a/0x380
[   33.207741]  jfs_fill_super+0x52a/0xab0
[   33.211690]  ? parse_options+0xd10/0xd10
[   33.215724]  ? set_blocksize+0x125/0x380
[   33.219761]  mount_bdev+0x2b3/0x360
[   33.223381]  ? parse_options+0xd10/0xd10
[   33.227416]  mount_fs+0x92/0x2a0
[   33.230761]  vfs_kern_mount.part.0+0x5b/0x470
[   33.235232]  do_mount+0xe53/0x2a00
[   33.238746]  ? retint_kernel+0x2d/0x2d
[   33.242608]  ? copy_mount_string+0x40/0x40
[   33.246814]  ? copy_mount_options+0x194/0x2f0
[   33.251298]  ? copy_mount_options+0x1fa/0x2f0
[   33.255764]  ? copy_mnt_ns+0xa30/0xa30
[   33.259625]  SyS_mount+0xa8/0x120
[   33.263056]  ? copy_mnt_ns+0xa30/0xa30
[   33.266917]  do_syscall_64+0x1d5/0x640
[   33.270782]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   33.275958] RIP: 0033:0x446dea
[   33.279122] RSP: 002b:00007ffc369d8a88 EFLAGS: 00000283 ORIG_RAX: 00000000000000a5
[   33.286812] RAX: ffffffffffffffda RBX: 00007ffc369d8ad0 RCX: 0000000000446dea
[   33.294096] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc369d8a90
[   33.301340] RBP: 00007ffc369d8a90 R08: 00007ffc369d8ad0 R09: 6f6f6c2f7665642f
[   33.308596] R10: 0000000000008001 R11: 0000000000000283 R12: 0000000000000004
[   33.315859] R13: 0000000000000003 R14: 0000000000000003 R15: 0000000000000006
[   33.323117] Code: 43 28 48 8d 78 80 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 5b 20 00 00 48 8b 44 24 18 <48> 8b 68 80 48 8b 44 24 20 4c 8d 6d 04 48 c1 e8 0c 4c 89 ea 48 
[   33.342188] RIP: diFree+0x12e/0x2830 RSP: ffff88809775f9a8
[   33.347787] CR2: ffffffffffffff80
[   33.351230] ---[ end trace 985aa5335c4034fb ]---
[   33.355968] Kernel panic - not syncing: Fatal exception
[   33.362448] Kernel Offset: disabled
[   33.366082] Rebooting in 86400 seconds..