------------[ cut here ]------------
!folio_buffers(folio)
WARNING: fs/ext4/inode.c:3925 at ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3925, CPU#1: syz.2.25/6023
Modules linked in:
CPU: 1 UID: 0 PID: 6023 Comm: syz.2.25 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3925
Code: 7f 07 ad ff 49 83 3f 00 74 1a e8 f4 85 46 ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 7f ce cd ff e8 da 85 46 ff 90 <0f> 0b 90 eb e0 e8 cf 85 46 ff 90 0f 0b 90 eb a7 e8 c4 85 46 ff 48
RSP: 0018:ffffc90005cef600 EFLAGS: 00010287
RAX: ffffffff827d4356 RBX: ffffea0001376c80 RCX: 0000000000080000
RDX: ffffc9001078a000 RSI: 000000000000950b RDI: 000000000000950c
RBP: 1ffffd400026ed90 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff9400026ed91 R12: ffff88805f5faaa8
R13: 1ffffd400026ed91 R14: 0000000000000001 R15: ffffea0001376ca8
FS:  00007f67af2356c0(0000) GS:ffff888126215000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 000000005f8ce000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 bio_set_pages_dirty+0x38e/0xaa0 block/bio.c:1654
 __blkdev_direct_IO+0x862/0xfa0 block/fops.c:248
 blkdev_direct_IO+0x122a/0x17a0 block/fops.c:436
 blkdev_read_iter+0x244/0x440 block/fops.c:839
 do_iter_readv_writev+0x62b/0x8d0 fs/read_write.c:-1
 vfs_readv+0x292/0x850 fs/read_write.c:1020
 do_preadv fs/read_write.c:1134 [inline]
 __do_sys_preadv2 fs/read_write.c:1193 [inline]
 __se_sys_preadv2+0x187/0x2b0 fs/read_write.c:1184
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f67b0ffc819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f67af235028 EFLAGS: 00000246 ORIG_RAX: 0000000000000147
RAX: ffffffffffffffda RBX: 00007f67b1276090 RCX: 00007f67b0ffc819
RDX: 0000000000000002 RSI: 0000200000000080 RDI: 0000000000000008
RBP: 00007f67b1092c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f67b1276128 R14: 00007f67b1276090 R15: 00007fff76c6ae58
 </TASK>