Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts.
2018/10/13 13:05:02 parsed 1 programs
2018/10/13 13:05:05 executed programs: 0
syzkaller login: [   88.910882] audit: type=1400 audit(1539435909.727:5): avc:  denied  { associate } for  pid=2105 comm="syz-executor4" name="syz4" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1
2018/10/13 13:05:10 executed programs: 7
[   89.229903] syz-executor4 (4661) used greatest stack depth: 23352 bytes left
[   89.770127] syz-executor4 (4815) used greatest stack depth: 22920 bytes left
2018/10/13 13:05:15 executed programs: 147
2018/10/13 13:05:20 executed programs: 280
[  102.943619] ------------[ cut here ]------------
[  102.948397] kernel BUG at fs/ext4/inode.c:2618!
[  102.953046] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[  102.958384] Modules linked in:
[  102.961678] CPU: 0 PID: 6485 Comm: syz-executor0 Not tainted 4.9.133+ #104
[  102.968669] task: ffff8801d2e04740 task.stack: ffff8801ceee0000
[  102.974703] RIP: 0010:[<ffffffff816c4f69>]  [<ffffffff816c4f69>] mpage_prepare_extent_to_map+0x719/0x9a0
[  102.984440] RSP: 0018:ffff8801ceee7808  EFLAGS: 00010293
[  102.989867] RAX: ffff8801d2e04740 RBX: ffffea0007118d40 RCX: 0000000000000000
[  102.997202] RDX: 0000000000000000 RSI: ffffffff816c4f69 RDI: ffffea0007118d50
[  103.004471] RBP: ffff8801ceee79c8 R08: ffff8801d2e04ff0 R09: 0000000000000001
[  103.011811] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  103.019081] R13: 0000000000000009 R14: dffffc0000000000 R15: ffff8801ceee7b30
[  103.026340] FS:  0000000000ea1940(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
[  103.034543] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.040410] CR2: 000000000230c680 CR3: 00000001d6ddf000 CR4: 00000000001606b0
[  103.047691] Stack:
[  103.049826]  1ffff10039ddcf10 ffff8801ceee78a0 ffff8801ceee7b38 ffff8801ceee7b40
[  103.057858]  0000000000000246 0007ffffffffffff ffff8801d45bdc98 000000010000000c
[  103.065873]  7fffffffffffffff ffff8801ceee78e0 ffff8801ceee7b48 ffffed0039ddcf67
[  103.073913] Call Trace:
[  103.076484]  [<ffffffff816c4850>] ? mpage_process_page_bufs+0x490/0x490
[  103.083220]  [<ffffffff81243873>] ? rcu_read_lock_sched_held+0x103/0x120
[  103.090040]  [<ffffffff81b9bebb>] ? check_preemption_disabled+0x3b/0x170
[  103.096866]  [<ffffffff816d58fe>] ext4_writepages+0xeee/0x2e00
[  103.102831]  [<ffffffff81433c2f>] ? do_writepages+0xef/0x1d0
[  103.108608]  [<ffffffff816d4a10>] ? ext4_mark_inode_dirty+0xb40/0xb40
[  103.115175]  [<ffffffff81207060>] ? trace_hardirqs_on+0x10/0x10
[  103.121230]  [<ffffffff812076b4>] ? __lock_acquire+0x654/0x4a10
[  103.127308]  [<ffffffff812076b4>] ? __lock_acquire+0x654/0x4a10
[  103.133357]  [<ffffffff81206e4b>] ? trace_hardirqs_on_caller+0x38b/0x590
[  103.140184]  [<ffffffff816d4a10>] ? ext4_mark_inode_dirty+0xb40/0xb40
[  103.146756]  [<ffffffff81433c2f>] do_writepages+0xef/0x1d0
[  103.152397]  [<ffffffff81433b40>] ? page_writeback_cpu_online+0x20/0x20
[  103.159132]  [<ffffffff81206e4b>] ? trace_hardirqs_on_caller+0x38b/0x590
[  103.165950]  [<ffffffff81411949>] __filemap_fdatawrite_range+0x1a9/0x250
[  103.172768]  [<ffffffff814117a0>] ? replace_page_cache_page+0x600/0x600
[  103.179502]  [<ffffffff816b2060>] ? ext4_check_all_de+0xf0/0xf0
[  103.185543]  [<ffffffff81411a43>] filemap_flush+0x23/0x30
[  103.191069]  [<ffffffff816cc5f9>] ext4_alloc_da_blocks+0xd9/0x330
[  103.197298]  [<ffffffff816b225f>] ext4_release_file+0x1ff/0x2e0
[  103.203337]  [<ffffffff815102e3>] __fput+0x263/0x700
[  103.208426]  [<ffffffff81510805>] ____fput+0x15/0x20
[  103.213508]  [<ffffffff8113d8ec>] task_work_run+0x10c/0x180
[  103.219200]  [<ffffffff81003e49>] exit_to_usermode_loop+0x129/0x150
[  103.225586]  [<ffffffff81005932>] do_syscall_64+0x3e2/0x550
[  103.231280]  [<ffffffff82803a13>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
[  103.238183] Code: fc ff ff 48 89 95 b0 fe ff ff e8 33 65 c5 ff 48 8b 95 b0 fe ff ff 48 8d 42 ff e9 6f ff ff ff e8 1e 65 c5 ff 0f 0b e8 17 65 c5 ff <0f> 0b 31 c0 89 85 b0 fe ff ff e8 08 65 c5 ff 8b 85 18 ff ff ff 
[  103.265503] RIP  [<ffffffff816c4f69>] mpage_prepare_extent_to_map+0x719/0x9a0
[  103.272882]  RSP <ffff8801ceee7808>
[  103.277490] ---[ end trace 45625149a57dac62 ]---
[  103.282358] Kernel panic - not syncing: Fatal exception
[  103.288002] Kernel Offset: disabled
[  103.291617] Rebooting in 86400 seconds..