------------[ cut here ]------------
WARNING: CPU: 1 PID: 18728 at fs/ext4/inode.c:3587 ext4_dirty_folio+0x162/0x1a0 fs/ext4/inode.c:3587
Modules linked in:
CPU: 1 UID: 0 PID: 18728 Comm: syz.1.1331 Not tainted 6.14.0-rc3-syzkaller-00166-g334426094588 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:ext4_dirty_folio+0x162/0x1a0 fs/ext4/inode.c:3587
Code: 74 ea a8 ff 48 83 3b 00 74 1a e8 89 37 44 ff 4c 89 e7 4c 89 fe 5b 41 5c 41 5d 41 5e 41 5f 5d e9 74 3f cd ff e8 6f 37 44 ff 90 <0f> 0b 90 eb e0 e8 64 37 44 ff 90 0f 0b 90 eb a7 e8 59 37 44 ff 4c
RSP: 0018:ffffc90016e6f950 EFLAGS: 00010283
RAX: ffffffff827d82c1 RBX: ffffea00014ef9a8 RCX: 0000000000080000
RDX: ffffc90023c11000 RSI: 00000000000000a0 RDI: 00000000000000a1
RBP: 1ffffd400029df30 R08: ffffffff827d81f6 R09: 1ffffd400029df30
R10: dffffc0000000000 R11: fffff9400029df31 R12: ffff8880344f18a0
R13: ffffea00014ef988 R14: 0000000000000001 R15: ffffea00014ef980
FS:  00007f796afff6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b77d788e5 CR3: 000000004d106000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 folio_mark_dirty_lock+0xb2/0xe0 mm/page-writeback.c:2927
 set_page_dirty_lock+0x5e/0x140 mm/folio-compat.c:57
 fuse_copy_finish+0x104/0x200 fs/fuse/dev.c:728
 fuse_dev_do_read+0xcd2/0x11e0 fs/fuse/dev.c:1361
 fuse_dev_read+0x184/0x230 fs/fuse/dev.c:1426
 new_sync_read fs/read_write.c:484 [inline]
 vfs_read+0x975/0xb40 fs/read_write.c:565
 ksys_read+0x18f/0x2b0 fs/read_write.c:708
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f796a18d0a9
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:00007f796afff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f796a3a6080 RCX: 00007f796a18d0a9
RDX: 0000000000002020 RSI: 0000400000003440 RDI: 0000000000000007
RBP: 00007f796a20e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f796a3a6080 R15: 00007ffd0e3cddb8
 </TASK>