------------[ cut here ]------------
WARNING: CPU: 1 PID: 3596 at fs/udf/truncate.c:208 udf_truncate_extents+0xf90/0x11a0
Modules linked in:
CPU: 1 PID: 3596 Comm: syz-executor948 Not tainted 5.15.109-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:udf_truncate_extents+0xf90/0x11a0 fs/udf/truncate.c:208
Code: 5c 41 5d 41 5e 41 5f 5d c3 e8 fc c4 a5 fe 41 be fb ff ff ff 48 8b 5c 24 60 49 bc 00 00 00 00 00 fc ff df eb 87 e8 e0 c4 a5 fe <0f> 0b e9 7b ff ff ff 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90002eff0c0 EFLAGS: 00010293
RAX: ffffffff82da19a0 RBX: 1ffff920005dfe30 RCX: ffff888022839d00
RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
RBP: ffffc90002eff2b0 R08: ffffffff82da0e9b R09: ffffffff82d7b210
R10: 0000000000000002 R11: ffff888022839d00 R12: dffffc0000000000
R13: 0000000000000200 R14: 0000000000000000 R15: 00000000000000ff
FS:  00007f13643aa700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f135c068000 CR3: 000000001d326000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_do_extend_file+0xdc9/0x1140 fs/udf/inode.c:591
 inode_getblk fs/udf/inode.c:798 [inline]
 udf_get_block+0x1520/0x4d10 fs/udf/inode.c:448
 __block_write_begin_int+0x60b/0x1650 fs/buffer.c:2012
 __block_write_begin fs/buffer.c:2062 [inline]
 block_write_begin+0x4f/0xc0 fs/buffer.c:2122
 udf_write_begin+0x36/0x70 fs/udf/inode.c:212
 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
 __generic_file_write_iter+0x243/0x4f0 mm/filemap.c:3903
 udf_file_write_iter+0x28d/0x530 fs/udf/file.c:163
 call_write_iter include/linux/fs.h:2103 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xacf/0xe50 fs/read_write.c:594
 ksys_write+0x1a2/0x2c0 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f13643fe649
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f13643aa2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f13644847a0 RCX: 00007f13643fe649
RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000004
RBP: 00007f1364450d08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13644500e0
R13: 00000000200004c0 R14: 0032656c69662f2e R15: 00007f13644847a8
 </TASK>