------------[ cut here ]------------
WARNING: CPU: 1 PID: 6162 at fs/udf/inode.c:677 udf_extend_file fs/udf/inode.c:676 [inline]
WARNING: CPU: 1 PID: 6162 at fs/udf/inode.c:677 udf_setsize+0xd4e/0x1000 fs/udf/inode.c:1293
Modules linked in:
CPU: 1 UID: 0 PID: 6162 Comm: syz.2.37 Not tainted 6.15.0-rc7-syzkaller-00144-gb1427432d3b6 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:udf_extend_file fs/udf/inode.c:676 [inline]
RIP: 0010:udf_setsize+0xd4e/0x1000 fs/udf/inode.c:1293
Code: 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 30 90 90 fe 45 89 f4 e9 49 fe ff ff e8 23 90 90 fe 90 <0f> 0b 90 e9 00 f8 ff ff 44 89 e9 80 e1 07 38 c1 0f 8c 49 f3 ff ff
RSP: 0018:ffffc90004a17ae0 EFLAGS: 00010283
RAX: ffffffff832f60bd RBX: ffff888058e91478 RCX: 0000000000080000
RDX: ffffc9000d2cb000 RSI: 0000000000000415 RDI: 0000000000000416
RBP: ffffc90004a17c08 R08: ffff888058e9143b R09: 1ffff1100b1d2287
R10: dffffc0000000000 R11: ffffed100b1d2288 R12: 0000000000000001
R13: 0000000000000004 R14: 0000000000000400 R15: 0000000000001000
FS:  00007f24499d76c0(0000) GS:ffff8881261f6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001680 CR3: 000000007cc46000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_setattr+0x3a1/0x5a0 fs/udf/file.c:236
 notify_change+0xb36/0xe40 fs/attr.c:552
 do_truncate+0x19a/0x220 fs/open.c:65
 do_ftruncate+0x489/0x540 fs/open.c:192
 do_sys_ftruncate fs/open.c:207 [inline]
 __do_sys_ftruncate fs/open.c:212 [inline]
 __se_sys_ftruncate fs/open.c:210 [inline]
 __x64_sys_ftruncate+0x92/0xf0 fs/open.c:210
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2448b8e969
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:00007f24499d7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f2448db6080 RCX: 00007f2448b8e969
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000007
RBP: 00007f2448c10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2448db6080 R15: 00007ffe8e1c73a8
 </TASK>