------------[ cut here ]------------
WARNING: CPU: 1 PID: 12894 at fs/buffer.c:1173 mark_buffer_dirty+0x3a2/0x420 fs/buffer.c:1173
Modules linked in:
CPU: 1 UID: 0 PID: 12894 Comm: syz-executor231 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:mark_buffer_dirty+0x3a2/0x420 fs/buffer.c:1173
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 85 00 00 00 48 8b 3b be 20 00 00 00 e8 a9 47 fc ff e9 c8 fd ff ff e8 1f e3 78 ff 90 <0f> 0b 90 e9 8c fc ff ff e8 11 e3 78 ff 90 0f 0b 90 e9 b2 fc ff ff
RSP: 0018:ffffc9002510f980 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880375f69f8 RCX: ffffffff82212f8d
RDX: ffff8880273fc880 RSI: ffffffff82213301 RDI: 0000000000000001
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880375f69f8
FS:  00007f1257a276c0(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020005000 CR3: 000000003bb94000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __block_commit_write+0x116/0x280 fs/buffer.c:2189
 block_write_end+0x76/0x120 fs/buffer.c:2265
 iomap_write_end+0x38c/0x690 fs/iomap/buffered-io.c:901
 iomap_write_iter fs/iomap/buffered-io.c:971 [inline]
 iomap_file_buffered_write+0x64f/0xc70 fs/iomap/buffered-io.c:1039
 blkdev_buffered_write block/fops.c:665 [inline]
 blkdev_write_iter+0x574/0xd40 block/fops.c:724
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1257a77689
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1257a27118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1257af8348 RCX: 00007f1257a77689
RDX: 0000000000002000 RSI: 00000000200030c0 RDI: 0000000000000008
RBP: 00007f1257af8340 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1257ac51c4
R13: eb645492c0064158 R14: 0000000200100000 R15: 006c6f72746e6f63
 </TASK>