[  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 '10.128.15.199' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   31.579736] audit: type=1400 audit(1600910005.307:8): avc:  denied  { execmem } for  pid=6349 comm="syz-executor796" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   31.601863] IPVS: ftp: loaded support on port[0] = 21
[   31.647223] REISERFS (device loop0): found reiserfs format "3.5" with standard journal
[   31.655565] REISERFS (device loop0): using ordered data mode
[   31.662768] reiserfs: using flush barriers
[   31.668182] REISERFS (device loop0): journal params: device loop0, size 8199, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
[   31.685548] REISERFS (device loop0): checking transaction log (loop0)
[   32.220968] REISERFS (device loop0): Using r5 hash to sort names
[   32.227600] REISERFS (device loop0): using 3.5.x disk format
[   32.234218] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
[   32.255876] REISERFS panic (device loop0): journal-2332 do_journal_end: Trying to log block 8211, which is a log block
[   32.276593] ------------[ cut here ]------------
[   32.281354] kernel BUG at fs/reiserfs/prints.c:390!
[   32.287215] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   32.292900] Modules linked in:
[   32.296265] CPU: 0 PID: 6350 Comm: syz-executor796 Not tainted 4.14.198-syzkaller #0
[   32.304145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.313489] task: ffff8880986e20c0 task.stack: ffff888097e78000
[   32.319630] RIP: 0010:__reiserfs_panic.cold+0x37/0x8a
[   32.324792] RSP: 0018:ffff888097e7f9f8 EFLAGS: 00010297
[   32.330129] RAX: ffff8880986e20c0 RBX: ffff88809808a780 RCX: 0000000000000000
[   32.337493] RDX: 0000000000000000 RSI: ffffffff86ac12c0 RDI: ffffed1012fcff35
[   32.344896] RBP: ffff888097e7faa8 R08: 000000000000006a R09: 0000000000000000
[   32.352567] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff86b76b40
[   32.359842] R13: ffffffff86b77340 R14: ffffffff86b710c0 R15: ffffc90005a7a0d8
[   32.367130] FS:  0000000000990880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
[   32.375379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.381240] CR2: 00000000006d00a0 CR3: 0000000007c6a000 CR4: 00000000001406f0
[   32.388605] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   32.395851] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   32.403192] Call Trace:
[   32.405773]  ? reiserfs_debug+0x10/0x10
[   32.409725]  ? wait_for_completion_io+0x10/0x10
[   32.414397]  ? memset+0x20/0x40
[   32.417663]  do_journal_end+0x3777/0x41d0
[   32.422294]  ? handle_quota_files+0x3a0/0x3a0
[   32.426773]  reiserfs_sync_fs+0xbb/0xd0
[   32.430754]  ? handle_quota_files+0x3a0/0x3a0
[   32.435280]  sync_filesystem+0xe2/0x230
[   32.439243]  generic_shutdown_super+0x70/0x370
[   32.444081]  kill_block_super+0x95/0xe0
[   32.448036]  deactivate_locked_super+0x6c/0xd0
[   32.452636]  deactivate_super+0x7f/0xa0
[   32.456607]  cleanup_mnt+0x186/0x2c0
[   32.460415]  task_work_run+0x11f/0x190
[   32.464305]  do_exit+0xa08/0x27f0
[   32.467758]  ? __do_page_fault+0x5a0/0xb50
[   32.471981]  ? mm_update_next_owner+0x5b0/0x5b0
[   32.476630]  ? lock_downgrade+0x740/0x740
[   32.480981]  do_group_exit+0x100/0x2e0
[   32.484852]  SyS_exit_group+0x19/0x20
[   32.488632]  ? do_group_exit+0x2e0/0x2e0
[   32.492686]  do_syscall_64+0x1d5/0x640
[   32.496551]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   32.501747] RIP: 0033:0x4437a8
[   32.505026] RSP: 002b:00007ffcdbc34918 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   32.512922] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00000000004437a8
[   32.520184] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
[   32.527470] RBP: 00000000004c3c50 R08: 00000000000000e7 R09: ffffffffffffffd0
[   32.534730] R10: 0000000000000800 R11: 0000000000000246 R12: 0000000000000001
[   32.541978] R13: 00000000006d6180 R14: 0000000000000000 R15: 0000000000000000
[   32.549241] Code: 10 b7 86 74 6d e8 7c d8 a4 ff 4c 89 e9 4c 89 f2 4c 89 e6 49 c7 c0 e0 83 61 8a 48 c7 c7 80 12 b7 86 e8 c1 77 93 ff e8 5b d8 a4 ff <0f> 0b e8 54 d8 a4 ff 4d 85 e4 49 c7 c6 c0 10 b7 86 75 0a 49 c7 
[   32.568334] RIP: __reiserfs_panic.cold+0x37/0x8a RSP: ffff888097e7f9f8
[   32.575783] ---[ end trace dae301052e37ad6b ]---
[   32.580673] Kernel panic - not syncing: Fatal exception
[   32.587718] Kernel Offset: disabled
[   32.591341] Rebooting in 86400 seconds..