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input: syz1 as /devices/virtual/input/input591
kernel BUG at fs/ext4/inode.c:2062!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 354 Comm: jbd2/sda1-8 Not tainted 4.9.133+ #104
task: ffff8801d5d05f00 task.stack: ffff8801d53f8000
RIP: 0010:[<ffffffff816d83f5>]  [<ffffffff816d83f5>] ext4_writepage+0xbe5/0x1860 fs/ext4/inode.c:2062
RSP: 0018:ffff8801d53ff4c0  EFLAGS: 00010293
RAX: ffff8801d5d05f00 RBX: 0000000000048204 RCX: ffffea0005b79ec0
RDX: 0000000000000000 RSI: ffffffff816d83f5 RDI: ffff8801c4deb2a0
RBP: ffff8801d53ff5c0 R08: 0000000000024bb0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82ad7320
R13: ffffea0005b79ec0 R14: ffffea0005b79ec0 R15: ffffea0005b79ec0
FS:  0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000001b1f64000 CR4: 00000000001606b0
Stack:
 ffff8801d53ff5b8 ffffffff814c1e3d ffffea0005b79ed0 ffffea0005b79ec8
 1ffff1003aa7fea3 ffff8801d53ffb50 ffff8801c4deb250 ffff8801d53ff6b8
 ffffea0005b79ec0 0000100000000009 ffff8801d5d067a8 0000000041b58ab3
Call Trace:
 [<ffffffff8142eaa4>] __writepage+0x64/0xc0 mm/page-writeback.c:2293
 [<ffffffff8142d4d5>] write_cache_pages+0x4d5/0xe80 mm/page-writeback.c:2231
 [<ffffffff8143250a>] generic_writepages+0xda/0x150 mm/page-writeback.c:2317
 [<ffffffff817f104a>] journal_submit_inode_data_buffers fs/jbd2/commit.c:201 [inline]
 [<ffffffff817f104a>] journal_submit_data_buffers fs/jbd2/commit.c:234 [inline]
 [<ffffffff817f104a>] jbd2_journal_commit_transaction+0xdea/0x65e0 fs/jbd2/commit.c:536
 [<ffffffff818097ea>] kjournald2+0x22a/0x830 fs/jbd2/journal.c:224
 [<ffffffff811428dd>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff82803bdc>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Code: 4d 85 ed 75 ba e8 ac 30 c4 ff 65 ff 0d b5 f9 93 7e 0f 85 34 f5 ff ff e8 9a 30 c4 ff e8 cd 9e 92 ff e9 25 f5 ff ff e8 8b 30 c4 ff <0f> 0b e8 84 30 c4 ff 48 8b 85 40 ff ff ff f0 80 60 01 fe e8 73 
RIP  [<ffffffff816d83f5>] ext4_writepage+0xbe5/0x1860 fs/ext4/inode.c:2062
 RSP <ffff8801d53ff4c0>
---[ end trace a86e6e5b493a9de3 ]---