Warning: Permanently added '10.128.0.125' (ECDSA) to the list of known hosts. 2018/10/13 13:04:55 parsed 1 programs 2018/10/13 13:04:58 executed programs: 0 syzkaller login: [ 103.992623] audit: type=1400 audit(1539435903.811:5): avc: denied { associate } for pid=2105 comm="syz-executor2" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 2018/10/13 13:05:04 executed programs: 6 [ 104.215401] syz-executor2 (4706) used greatest stack depth: 23288 bytes left [ 104.523423] syz-executor1 (4783) used greatest stack depth: 22856 bytes left 2018/10/13 13:05:09 executed programs: 150 INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes 2018/10/13 13:05:14 executed programs: 278 INIT: Id "5" respawning too fast: disabled for 5 minutes 2018/10/13 13:05:19 executed programs: 396 2018/10/13 13:05:24 executed programs: 563 2018/10/13 13:05:29 executed programs: 754 2018/10/13 13:05:34 executed programs: 948 2018/10/13 13:05:39 executed programs: 1136 2018/10/13 13:05:44 executed programs: 1334 2018/10/13 13:05:49 executed programs: 1546 2018/10/13 13:05:54 executed programs: 1751 [ 158.803612] syz-executor1 (12939) used greatest stack depth: 22680 bytes left 2018/10/13 13:05:59 executed programs: 1968 2018/10/13 13:06:04 executed programs: 2180 [ 166.017910] ------------[ cut here ]------------ [ 166.022694] kernel BUG at fs/ext4/inode.c:2618! [ 166.027344] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 166.032692] Modules linked in: [ 166.035993] CPU: 1 PID: 14228 Comm: syz-executor2 Not tainted 4.9.133+ #6 [ 166.042897] task: ffff8801c2102f80 task.stack: ffff8801c94a8000 [ 166.048934] RIP: 0010:[] [] mpage_prepare_extent_to_map+0x719/0x9a0 [ 166.058665] RSP: 0018:ffff8801c94af7f8 EFLAGS: 00010293 [ 166.064175] RAX: ffff8801c2102f80 RBX: ffffea00070eff40 RCX: 0000000000000000 [ 166.071423] RDX: 0000000000000000 RSI: ffffffff816c4f69 RDI: ffffea00070eff50 [ 166.078670] RBP: ffff8801c94af9b8 R08: ffff8801c2103830 R09: 0000000000000001 [ 166.085918] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 166.093164] R13: 0000000000000002 R14: dffffc0000000000 R15: ffff8801c94afb20 [ 166.100411] FS: 0000000000000000(0000) GS:ffff8801db700000(0063) knlGS:0000000009f62900 [ 166.108614] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 166.114477] CR2: 00000000084627b8 CR3: 00000001ca1a1000 CR4: 00000000001606b0 [ 166.121876] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 166.129127] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 166.136371] Stack: [ 166.138495] 1ffff10039295f0e ffff8801c94af890 ffff8801c94afb28 ffff8801c94afb30 [ 166.146518] 0000000000000246 0007ffffffffffff ffff8801c3d30bf8 000000080000000c [ 166.154533] 7fffffffffffffff ffff8801c94af8d0 ffff8801c94afb38 ffffed0039295f65 [ 166.162552] Call Trace: [ 166.165120] [] ? mpage_process_page_bufs+0x490/0x490 [ 166.171850] [] ? check_preemption_disabled+0x3b/0x170 [ 166.178664] [] ext4_writepages+0xeee/0x2e00 [ 166.184613] [] ? do_writepages+0xef/0x1d0 [ 166.190393] [] ? ext4_mark_inode_dirty+0xb40/0xb40 [ 166.196950] [] ? trace_hardirqs_on+0x10/0x10 [ 166.202985] [] ? __lock_acquire+0x654/0x4a10 [ 166.209025] [] ? __lock_acquire+0x654/0x4a10 [ 166.215061] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 166.221874] [] ? ext4_mark_inode_dirty+0xb40/0xb40 [ 166.228431] [] do_writepages+0xef/0x1d0 [ 166.234031] [] ? page_writeback_cpu_online+0x20/0x20 [ 166.240763] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 166.247578] [] __filemap_fdatawrite_range+0x1a9/0x250 [ 166.254398] [] ? replace_page_cache_page+0x600/0x600 [ 166.261128] [] ? ext4_check_all_de+0xf0/0xf0 [ 166.267164] [] filemap_flush+0x23/0x30 [ 166.272680] [] ext4_alloc_da_blocks+0xd9/0x330 [ 166.278897] [] ext4_release_file+0x1ff/0x2e0 [ 166.284950] [] __fput+0x263/0x700 [ 166.290026] [] ____fput+0x15/0x20 [ 166.295107] [] task_work_run+0x10c/0x180 [ 166.300809] [] exit_to_usermode_loop+0x129/0x150 [ 166.307208] [] do_fast_syscall_32+0x6dc/0xa10 [ 166.313335] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 166.320104] [] entry_SYSENTER_compat+0x90/0xa2 [ 166.326312] 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 [ 166.353571] RIP [] mpage_prepare_extent_to_map+0x719/0x9a0 [ 166.360948] RSP [ 166.365871] ---[ end trace 77f2cafdf04662b6 ]--- [ 166.370940] Kernel panic - not syncing: Fatal exception [ 166.376818] Kernel Offset: disabled [ 166.380429] Rebooting in 86400 seconds..