[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.77' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   38.644573] audit: type=1400 audit(1600880696.160:8): avc:  denied  { execmem } for  pid=6354 comm="syz-executor035" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   38.658901] BUG: unable to handle kernel paging request at ffffffffffffff80
[   38.671607] IP: diFree+0x12e/0x2830
[   38.675418] PGD 7c6d067 P4D 7c6d067 PUD 7c6f067 PMD 0 
[   38.680712] Oops: 0000 [#1] PREEMPT SMP KASAN
[   38.685619] Modules linked in:
[   38.688820] CPU: 1 PID: 6354 Comm: syz-executor035 Not tainted 4.14.198-syzkaller #0
[   38.697573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   38.706942] task: ffff8880a53744c0 task.stack: ffff888097fd0000
[   38.713016] RIP: 0010:diFree+0x12e/0x2830
[   38.717157] RSP: 0018:ffff888097fd79a8 EFLAGS: 00010246
[   38.722519] RAX: 0000000000000000 RBX: ffff8880a04a9c80 RCX: ffff888089929474
[   38.730420] RDX: 1ffffffffffffff0 RSI: 0000000000000000 RDI: ffffffffffffff80
[   38.739846] RBP: ffff888089929468 R08: ffffffff8a0b62a0 R09: 0000000000000001
[   38.747117] R10: 0000000000000000 R11: ffff8880a53744c0 R12: ffff888089929468
[   38.754685] R13: ffff888089929490 R14: ffffffff86d12980 R15: ffff888089929620
[   38.761993] FS:  0000000000ca5880(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
[   38.771557] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.777779] CR2: ffffffffffffff80 CR3: 0000000093200000 CR4: 00000000001406e0
[   38.785144] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   38.792854] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   38.801910] Call Trace:
[   38.804526]  ? trace_hardirqs_on+0x10/0x10
[   38.808924]  ? trace_hardirqs_on+0x10/0x10
[   38.813172]  ? truncate_inode_pages_range+0x45a/0x13e0
[   38.818463]  ? lock_acquire+0x170/0x3f0
[   38.822455]  ? generic_error_remove_page+0xb0/0xb0
[   38.827565]  ? __inode_wait_for_writeback+0x140/0x190
[   38.832789]  ? dquot_initialize_needed+0x240/0x240
[   38.838071]  ? diWrite+0x1240/0x1240
[   38.841807]  ? jfs_write_inode+0x190/0x190
[   38.846047]  jfs_evict_inode+0xee/0x130
[   38.850014]  evict+0x2c8/0x700
[   38.853199]  iput+0x458/0x7e0
[   38.856294]  diFreeSpecial+0x63/0x80
[   38.859997]  jfs_mount+0x20a/0x380
[   38.863543]  jfs_fill_super+0x52a/0xab0
[   38.869036]  ? parse_options+0xd10/0xd10
[   38.873771]  ? set_blocksize+0x125/0x380
[   38.877827]  mount_bdev+0x2b3/0x360
[   38.881648]  ? parse_options+0xd10/0xd10
[   38.885702]  mount_fs+0x92/0x2a0
[   38.889064]  vfs_kern_mount.part.0+0x5b/0x470
[   38.893566]  do_mount+0xe53/0x2a00
[   38.897114]  ? retint_kernel+0x2d/0x2d
[   38.901004]  ? copy_mount_string+0x40/0x40
[   38.905240]  ? memset+0x20/0x40
[   38.909053]  ? copy_mount_options+0x1fa/0x2f0
[   38.913647]  ? copy_mnt_ns+0xa30/0xa30
[   38.917539]  SyS_mount+0xa8/0x120
[   38.920982]  ? copy_mnt_ns+0xa30/0xa30
[   38.924886]  do_syscall_64+0x1d5/0x640
[   38.928782]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   38.934457] RIP: 0033:0x446d5a
[   38.937811] RSP: 002b:00007ffd6e120278 EFLAGS: 00000283 ORIG_RAX: 00000000000000a5
[   38.945571] RAX: ffffffffffffffda RBX: 00007ffd6e1202d0 RCX: 0000000000446d5a
[   38.952848] RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 00007ffd6e120290
[   38.961476] RBP: 00007ffd6e120290 R08: 00007ffd6e1202d0 R09: 00007ffd00000015
[   38.969449] R10: 0000000000000000 R11: 0000000000000283 R12: 0000000000000002
[   38.977194] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003
[   38.984487] 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 
[   39.003664] RIP: diFree+0x12e/0x2830 RSP: ffff888097fd79a8
[   39.009638] CR2: ffffffffffffff80
[   39.013114] ---[ end trace 31d063bf7b9386d9 ]---
[   39.017846] Kernel panic - not syncing: Fatal exception
[   39.024525] Kernel Offset: disabled
[   39.028247] Rebooting in 86400 seconds..