------------[ cut here ]------------
WARNING: CPU: 1 PID: 4321 at fs/ext4/inode.c:3619 ext4_set_page_dirty+0x28c/0x320 fs/ext4/inode.c:3619
Modules linked in:
CPU: 1 PID: 4321 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ext4_set_page_dirty+0x28c/0x320 fs/ext4/inode.c:3619
Code: 5d 41 5e 41 5f 5d e9 f3 d4 cb ff e8 de e5 6d ff 49 ff cf e9 df fd ff ff e8 d1 e5 6d ff 49 ff cf e9 39 fe ff ff e8 c4 e5 6d ff <0f> 0b eb cb e8 bb e5 6d ff 49 ff cf e9 9d fe ff ff e8 ae e5 6d ff
RSP: 0018:ffffc900032efa10 EFLAGS: 00010293
RAX: ffffffff8209e64c RBX: ffffea0001a46640 RCX: ffff8880286c1dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffd4000348cc9 R08: dffffc0000000000 R09: fffff94000348cc9
R10: fffff94000348cc9 R11: 1ffffd4000348cc8 R12: 00fff00000300013
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffffd4000348cc8
FS:  00007ff2248c56c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff2248c5d58 CR3: 000000007a012000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 set_page_dirty_lock+0xb8/0xe0 mm/page-writeback.c:2656
 fuse_copy_finish+0x14a/0x3e0 fs/fuse/dev.c:684
 fuse_dev_do_read+0xc34/0x1160 fs/fuse/dev.c:1307
 fuse_dev_read+0xf8/0x140 fs/fuse/dev.c:1372
 call_read_iter include/linux/fs.h:2167 [inline]
 new_sync_read fs/read_write.c:404 [inline]
 vfs_read+0x725/0xcf0 fs/read_write.c:485
 ksys_read+0x14d/0x250 fs/read_write.c:623
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff225277749
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:00007ff2248c5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff2254ce090 RCX: 00007ff225277749
RDX: 0000000000002020 RSI: 0000200000000940 RDI: 0000000000000005
RBP: 00007ff2252fbf91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff2254ce128 R14: 00007ff2254ce090 R15: 00007ffd3420c718
 </TASK>