------------[ cut here ]------------
WARNING: CPU: 0 PID: 5339 at fs/ext4/inode.c:3965 ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3965
Modules linked in:
CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3965
Code: 6f 33 ad ff 49 83 3f 00 74 1a e8 04 e8 45 ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 2f 2a d0 ff e8 ea e7 45 ff 90 <0f> 0b 90 eb e0 e8 df e7 45 ff 90 0f 0b 90 eb a7 e8 d4 e7 45 ff 48
RSP: 0018:ffffc9000d4ef930 EFLAGS: 00010287
RAX: ffffffff827a2b86 RBX: ffffea00012ff100 RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 00000000000000d0 RDI: 00000000000000d1
RBP: 1ffffd400025fe20 R08: ffffea00012ff107 R09: 1ffffd400025fe20
R10: dffffc0000000000 R11: fffff9400025fe21 R12: ffff888043250e48
R13: 1ffffd400025fe21 R14: 0000000000000001 R15: ffffea00012ff128
FS:  00007effa44ea6c0(0000) GS:ffff88808d730000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000410ac000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 folio_mark_dirty_lock+0xa8/0xe0 mm/page-writeback.c:2847
 set_page_dirty_lock+0x5e/0x140 mm/folio-compat.c:51
 fuse_copy_finish+0x105/0x200 fs/fuse/dev.c:860
 fuse_dev_do_read+0xcc9/0x1240 fs/fuse/dev.c:1500
 fuse_dev_read+0x14c/0x1d0 fs/fuse/dev.c:1585
 new_sync_read fs/read_write.c:491 [inline]
 vfs_read+0x55a/0xa30 fs/read_write.c:572
 ksys_read+0x145/0x250 fs/read_write.c:715
 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: 0033:0x7effa358f6c9
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:00007effa44ea038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007effa37e6090 RCX: 00007effa358f6c9
RDX: 0000000000002020 RSI: 0000200000006180 RDI: 0000000000000006
RBP: 00007effa3611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007effa37e6128 R14: 00007effa37e6090 R15: 00007ffc0e5b4588
 </TASK>