------------[ cut here ]------------
WARNING: CPU: 0 PID: 5319 at fs/udf/truncate.c:224 udf_truncate_extents+0x10c8/0x1310 fs/udf/truncate.c:224
Modules linked in:
CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
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 19 dd 74 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:ffffc9000d41ebc0 EFLAGS: 00010293
RAX: ffffffff832a9717 RBX: 0000000000000120 RCX: ffff88801f982440
RDX: 0000000000000000 RSI: 0000000000000120 RDI: 0000000000000000
RBP: ffffc9000d41edb0 R08: ffffffff832a8b38 R09: ffffffff8328694d
R10: 0000000000000002 R11: ffff88801f982440 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000120 R15: 0000000000000000
FS:  00007f73c7c716c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001340 CR3: 00000000405c6000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 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:4055
 udf_file_write_iter+0x2fc/0x660 fs/udf/file.c:111
 __kernel_write_iter+0x42a/0x940 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+0x229b/0x3100 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_general_protection+0x410/0x5d0 arch/x86/kernel/traps.c:693
 asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:617
RIP: 0033:0x7f73c6d85d31
Code: 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 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:00000000200002b0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f73c6f75fa0 RCX: 00007f73c6d85d29
RDX: 00000000200002c0 RSI: 00000000200002b0 RDI: 0000000000001000
RBP: 00007f73c6e01b08 R08: 0000000020000380 R09: 0000000020000380
R10: 0000000020000340 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f73c6f75fa0 R15: 00007fff6600da58
 </TASK>