------------[ cut here ]------------
WARNING: CPU: 1 PID: 6452 at fs/ext4/inode.c:3965 ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3965
Modules linked in:
CPU: 1 UID: 0 PID: 6452 Comm: syz.2.91 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3965
Code: af f9 b1 ff 49 83 3f 00 74 1a e8 a4 56 50 ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0f 5c d0 ff e8 8a 56 50 ff 90 <0f> 0b 90 eb e0 e8 7f 56 50 ff 90 0f 0b 90 eb a7 e8 74 56 50 ff 48
RSP: 0018:ffffc90005e47618 EFLAGS: 00010287
RAX: ffffffff826df6a6 RBX: ffffea000121b780 RCX: 0000000000080000
RDX: ffffc9000de02000 RSI: 0000000000027cbd RDI: 0000000000027cbe
RBP: 1ffffd40002436f0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff940002436f1 R12: ffff88803d555870
R13: 1ffffd40002436f1 R14: 0000000000000001 R15: ffffea000121b7a8
FS:  00007f5fe55766c0(0000) GS:ffff888126ccd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5fe5233f98 CR3: 0000000062f00000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 bio_set_pages_dirty+0xf3/0x170 block/bio.c:1533
 __blkdev_direct_IO+0x850/0xfa0 block/fops.c:244
 blkdev_direct_IO+0x12a0/0x1820 block/fops.c:434
 blkdev_read_iter+0x244/0x440 block/fops.c:836
 do_iter_readv_writev+0x635/0x8d0 fs/read_write.c:-1
 vfs_readv+0x259/0x850 fs/read_write.c:1018
 do_preadv fs/read_write.c:1132 [inline]
 __do_sys_preadv2 fs/read_write.c:1191 [inline]
 __se_sys_preadv2+0x17c/0x2a0 fs/read_write.c:1182
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5fe730eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5fe5576038 EFLAGS: 00000246 ORIG_RAX: 0000000000000147
RAX: ffffffffffffffda RBX: 00007f5fe7565fa0 RCX: 00007f5fe730eec9
RDX: 0000000000000002 RSI: 0000200000000080 RDI: 000000000000000b
RBP: 00007f5fe7391f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5fe7566038 R14: 00007f5fe7565fa0 R15: 00007ffc57d11c28
 </TASK>