------------[ cut here ]------------
WARNING: CPU: 0 PID: 13643 at fs/udf/truncate.c:224 udf_truncate_extents+0x10c8/0x1310 fs/udf/truncate.c:224
Modules linked in:
CPU: 0 UID: 0 PID: 13643 Comm: syz.0.1400 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:udf_truncate_extents+0x10c8/0x1310 fs/udf/truncate.c:224
Code: 48 3b 84 24 a0 01 00 00 0f 85 4b 02 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 a9 1f 75 fe 90 <0f> 0b 90 eb 8c 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38 c1 0f
RSP: 0018:ffffc90003faec80 EFLAGS: 00010287
RAX: ffffffff834a0477 RBX: 0000000000000120 RCX: 0000000000080000
RDX: ffffc9000d6c5000 RSI: 0000000000004fa2 RDI: 0000000000004fa3
RBP: ffffc90003faee70 R08: ffffffff8349f898 R09: ffffffff8347d6ad
R10: 0000000000000002 R11: ffff88802feb1e00 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000120 R15: 0000000000000000
FS:  00007f4dab5306c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1e96a56c0 CR3: 00000000553b4000 CR4: 00000000003526f0
DR0: 00000000000000fa DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_write_failed+0x176/0x1b0 fs/udf/inode.c:178
 udf_write_begin+0x1f7/0x250 fs/udf/inode.c:259
 generic_perform_write+0x346/0x990 mm/filemap.c:4122
 udf_file_write_iter+0x2fc/0x660 fs/udf/file.c:111
 __kernel_write_iter+0x433/0x950 fs/read_write.c:612
 __kernel_write+0x120/0x180 fs/read_write.c:632
 __dump_emit+0x237/0x360 fs/coredump.c:807
 elf_core_dump+0x3624/0x4790 fs/binfmt_elf.c:2108
 do_coredump+0x242a/0x2ee0 fs/coredump.c:758
 get_signal+0x140b/0x1750 kernel/signal.c:3002
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 irqentry_exit_to_user_mode+0x7e/0x250 kernel/entry/common.c:231
 exc_page_fault+0x590/0x8b0 arch/x86/mm/fault.c:1542
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f4daa75e879
Code: f8 77 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 89 f8 48 89 fa c5 f9 ef c0 25 ff 0f 00 00 3d e0 0f 00 00 0f 87 27 01 00 00 <c5> fd 74 0f c5 fd d7 c1 85 c0 74 5b f3 0f bc c0 e9 30 01 00 00 66
RSP: 002b:00007f4dab52fe68 EFLAGS: 00010283
RAX: 0000000000000000 RBX: 00007f4dab52fef0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000020000680 RDI: 0000000000000000
RBP: 0000000020000080 R08: 0000000020000d40 R09: 0000000000000000
R10: 0000000020000080 R11: 0000000000000246 R12: 0000000020000680
R13: 00007f4dab52feb0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>