------------[ cut here ]------------
WARNING: CPU: 1 PID: 7244 at fs/udf/inode.c:684 udf_extend_file fs/udf/inode.c:683 [inline]
WARNING: CPU: 1 PID: 7244 at fs/udf/inode.c:684 udf_setsize+0xd5a/0x1010 fs/udf/inode.c:1300
Modules linked in:
CPU: 1 UID: 0 PID: 7244 Comm: syz.1.184 Tainted: G        W           syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:udf_extend_file fs/udf/inode.c:683 [inline]
RIP: 0010:udf_setsize+0xd5a/0x1010 fs/udf/inode.c:1300
Code: 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 ca ef cd 07 cc e8 d4 7b 92 fe 45 89 f4 e9 49 fe ff ff e8 c7 7b 92 fe 90 <0f> 0b 90 e9 fa f7 ff ff 44 89 e9 80 e1 07 38 c1 0f 8c 3d f3 ff ff
RSP: 0018:ffffc9000590fa20 EFLAGS: 00010287
RAX: ffffffff832be029 RBX: ffff888061d008a0 RCX: 0000000000080000
RDX: ffffc9000f466000 RSI: 0000000000000509 RDI: 000000000000050a
RBP: ffffc9000590fb48 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e3a7c7 R12: 0000000000000001
R13: 00000000000001ff R14: 0000000000000200 R15: 0000000000001000
FS:  00007fce3b9166c0(0000) GS:ffff8881269c5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000003d0fe000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 udf_setattr+0x3a2/0x5a0 fs/udf/file.c:236
 notify_change+0xb34/0xe60 fs/attr.c:552
 do_truncate+0x1a4/0x220 fs/open.c:68
 vfs_truncate+0x493/0x520 fs/open.c:118
 do_sys_truncate+0xdb/0x190 fs/open.c:141
 __do_sys_truncate fs/open.c:153 [inline]
 __se_sys_truncate fs/open.c:151 [inline]
 __x64_sys_truncate+0x5b/0x70 fs/open.c:151
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fce3d6aebe9
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:00007fce3b916038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007fce3d8d5fa0 RCX: 00007fce3d6aebe9
RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000200000000140
RBP: 00007fce3d731e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fce3d8d6038 R14: 00007fce3d8d5fa0 R15: 00007fffea67ed48
 </TASK>