------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2462!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 2136 Comm: kworker/u4:2 Not tainted 4.4.162+ #114
Workqueue: writeback wb_workfn (flush-8:0)
task: ffff8801d57ddf00 task.stack: ffff8800a8610000
RIP: 0010:[<ffffffff8163feb0>] [  110.799578] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=42302 sclass=netlink_route_socket
 [<ffffffff8163feb0>] mpage_prepare_extent_to_map+0x670/0x8e0 fs/ext4/inode.c:2462
RSP: 0018:ffff8800a8617390  EFLAGS: 00010293
mmap: syz-executor4 (4335) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt.
RAX: ffff8801d57ddf00 RBX: ffffea0006fe2cc0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8163feb0 RDI: ffffea0006fe2cd0
RBP: ffff8800a8617548 R08: ffff8801d57de7c8 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=258 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=59584 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=680 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=9092 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=1417 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=10306 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=9364 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=9284 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=1509 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=65535 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=10276 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=12368 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18432 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3211 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=64131 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=65535 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=50949 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=56969 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=47360 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=34792 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=649 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=4933 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18440 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=2084 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=762 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=504 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=6264 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=34120 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=64828 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=65535 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=65510 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=65535 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=33608 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=34049 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=7951 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=57385 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=61417 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=63619 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=49201 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18720 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18432 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=1 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=59591 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=9544 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=4 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3942 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=26135 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3942 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3942 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=54251 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=26322 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=26318 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=61463 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=33097 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=49545 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=31359 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3942 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18358 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=58639 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=31 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=35148 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16883 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=26152 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=35656 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3908 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3908 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=34120 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=35140 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18624 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=10511 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=55055 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=33608 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3876 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=51311 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=59726 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=40 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18624 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=17439 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=65531 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=60545 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=49285 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=55923 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18688 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=63025 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=738 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=53257 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=57475 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=9276 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=52281 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=51016 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=47359 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=65535 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18923 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=29835 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=25992 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=63785 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=35656 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18656 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=17919 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=35656 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=59903 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=176 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=59903 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=24709 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=65153 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=12613 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=11382 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18641 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18448 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=9608 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3840 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=49705 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16525 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=33551 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=9912 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=34303 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=21387 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=35656 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=63489 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=20208 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=33609 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=20213 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18576 sclass=netlink_audit_socket
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=874 sclass=netlink_audit_socket
R13: 0000000000000003 R14: dffffc0000000000 R15: ffff8800a8617690
FS:  0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000a40021 CR3: 00000001d6c04000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 1ffff100150c2e80 ffff8800a8617420 ffff8800a8617698 ffff8800a86176a0
 00000002d64feba0 0007ffffffffffff ffff8801d64feb70 000000010000000c
 7fffffffffffffff ffff8800a8617460 ffff8800a86176a8 ffffed00150c2ed3
Call Trace:
 [<ffffffff8164f10c>] ext4_writepages+0xd4c/0x2c20 fs/ext4/inode.c:2617
 [<ffffffff813d741f>] do_writepages+0xef/0x1d0 mm/page-writeback.c:2334
 [<ffffffff8151fed1>] __writeback_single_inode+0x101/0x1340 fs/fs-writeback.c:1285
 [<ffffffff815215bb>] writeback_sb_inodes+0x4ab/0xee0 fs/fs-writeback.c:1548
 [<ffffffff815224b1>] wb_writeback+0x2e1/0xd00 fs/fs-writeback.c:1724
 [<ffffffff81524c53>] wb_do_writeback fs/fs-writeback.c:1858 [inline]
 [<ffffffff81524c53>] wb_workfn+0x243/0x1010 fs/fs-writeback.c:1894
 [<ffffffff81122a94>] process_one_work+0x824/0x1670 kernel/workqueue.c:2064
 [<ffffffff811239b9>] worker_thread+0xd9/0x1060 kernel/workqueue.c:2196
 [<ffffffff81133e18>] kthread+0x268/0x300 kernel/kthread.c:211
 [<ffffffff827066c5>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510
Code: 48 89 df e8 23 45 d7 ff e9 32 ff ff ff e8 49 6e cc ff 48 89 df e8 b1 5e d7 ff e9 fa fd ff ff e8 37 6e cc ff 0f 0b e8 30 6e cc ff <0f> 0b 31 c0 89 85 b0 fe ff ff e8 21 6e cc ff 8b 85 18 ff ff ff 
RIP  [<ffffffff8163feb0>] mpage_prepare_extent_to_map+0x670/0x8e0 fs/ext4/inode.c:2462
 RSP <ffff8800a8617390>
---[ end trace 291f45ca8476d199 ]---