------------[ cut here ]------------
!folio_buffers(folio)
WARNING: fs/ext4/inode.c:3938 at ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3938, CPU#0: iou-wrk-5322/5328
Modules linked in:
CPU: 0 UID: 0 PID: 5328 Comm: iou-wrk-5322 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3938
Code: 4f fa a7 ff 49 83 3f 00 74 1a e8 64 2e 3b ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 1f 9f cd ff e8 4a 2e 3b ff 90 <0f> 0b 90 eb e0 e8 3f 2e 3b ff 90 0f 0b 90 eb a7 e8 34 2e 3b ff 48
RSP: 0018:ffffc9000d17f340 EFLAGS: 00010293
RAX: ffffffff828aa5b6 RBX: ffffea00008f8600 RCX: ffff88801fa1ca00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 1ffffd400011f0c0 R08: ffffea00008f8607 R09: 1ffffd400011f0c0
R10: dffffc0000000000 R11: fffff9400011f0c1 R12: ffff888046c12070
R13: 1ffffd400011f0c1 R14: 0000000000000001 R15: ffffea00008f8628
FS:  00007f3d285a96c0(0000) GS:ffff88808c87f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000000c0 CR3: 0000000012cc1000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 bio_set_pages_dirty+0x38e/0xaa0 block/bio.c:1658
 __blkdev_direct_IO+0x859/0xfa0 block/fops.c:248
 blkdev_direct_IO+0x121a/0x1790 block/fops.c:436
 blkdev_read_iter+0x23d/0x440 block/fops.c:839
 io_iter_do_read io_uring/rw.c:835 [inline]
 __io_read+0x724/0x14f0 io_uring/rw.c:952
 io_read+0x4a/0x1c0 io_uring/rw.c:1031
 __io_issue_sqe+0x180/0x4b0 io_uring/io_uring.c:1399
 io_issue_sqe+0x165/0xf60 io_uring/io_uring.c:1422
 io_wq_submit_work+0x7c9/0xc40 io_uring/io_uring.c:1538
 io_worker_handle_work+0x774/0x1060 io_uring/io-wq.c:652
 io_wq_worker+0x45f/0xfc0 io_uring/io-wq.c:706
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>