------------[ cut here ]------------
WARNING: CPU: 1 PID: 18346 at fs/udf/truncate.c:224 udf_truncate_extents+0xd65/0xed0 fs/udf/truncate.c:224
Modules linked in:
CPU: 1 PID: 18346 Comm: syz.7.2427 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:udf_truncate_extents+0xd65/0xed0 fs/udf/truncate.c:224
Code: 65 48 8b 04 25 28 00 00 00 48 3b 84 24 80 01 00 00 75 73 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9b 27 89 fe <0f> 0b e9 6d ff ff ff 44 89 f9 80 e1 07 38 c1 0f 8c 0c f4 ff ff 4c
RSP: 0018:ffffc900034d7900 EFLAGS: 00010287
RAX: ffffffff82fdbdd5 RBX: 000000000000000a RCX: 0000000000080000
RDX: ffffc90011916000 RSI: 000000000001394a RDI: 000000000001394b
RBP: ffffc900034d7ae0 R08: ffff88806bc68000 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000a
R13: 1ffff1100e7c233c R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb1e5b0e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c36f358 CR3: 000000007aeb1000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 udf_write_failed+0x163/0x1b0 fs/udf/inode.c:178
 udf_write_begin+0x21f/0x430 fs/udf/inode.c:264
 generic_perform_write+0x2fe/0x5c0 mm/filemap.c:4036
 udf_file_write_iter+0x2f0/0x6a0 fs/udf/file.c:111
 call_write_iter include/linux/fs.h:2018 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x474/0x9a0 fs/read_write.c:584
 ksys_pwrite64 fs/read_write.c:699 [inline]
 __do_sys_pwrite64 fs/read_write.c:709 [inline]
 __se_sys_pwrite64 fs/read_write.c:706 [inline]
 __x64_sys_pwrite64+0x198/0x220 fs/read_write.c:706
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb1e4b9de99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb1e5b0e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fb1e4e25fa0 RCX: 00007fb1e4b9de99
RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007fb1e4c33eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000e7c R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb1e4e26038 R14: 00007fb1e4e25fa0 R15: 00007ffd48519f58
 </TASK>