------------[ cut here ]------------
WARNING: CPU: 0 PID: 6353 at fs/udf/inode.c:2080 __udf_add_aext+0x555/0x700 fs/udf/inode.c:2079
Modules linked in:
CPU: 0 UID: 0 PID: 6353 Comm: syz-executor377 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__udf_add_aext+0x555/0x700 fs/udf/inode.c:2079
Code: e6 e5 fe 49 8b 3c 24 4c 89 fe e8 76 f6 0a ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 2c 51 7e fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 1e 51 7e fe 90 0f 0b 90 e9 54 fc ff ff
RSP: 0018:ffffc9000519f278 EFLAGS: 00010293
RAX: ffffffff8316fbb4 RBX: 1ffff92000a33e9b RCX: ffff888035cb9e00
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8316f796 R09: ffffffff8316f6c6
R10: 0000000000000002 R11: ffff888035cb9e00 R12: ffffc9000519f4d0
R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc9000519f4d8
FS:  00007f708f7876c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200bc000 CR3: 00000000777ae000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_add_aext fs/udf/inode.c:2137 [inline]
 udf_insert_aext fs/udf/inode.c:2316 [inline]
 udf_update_extents fs/udf/inode.c:1204 [inline]
 inode_getblk fs/udf/inode.c:918 [inline]
 udf_map_block+0x3e16/0x5340 fs/udf/inode.c:447
 __udf_get_block+0x126/0x410 fs/udf/inode.c:461
 __block_write_begin_int+0x50c/0x1a70 fs/buffer.c:2121
 block_write_begin+0x8f/0x120 fs/buffer.c:2231
 udf_write_begin+0x104/0x350 fs/udf/inode.c:256
 generic_perform_write+0x344/0x6d0 mm/filemap.c:4056
 udf_file_write_iter+0x2fc/0x660 fs/udf/file.c:111
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f708f7d0d89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f708f787218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f708f8596c8 RCX: 00007f708f7d0d89
RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 00007f708f8596c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f708f825d00
R13: 0031656c69662f2e R14: 0030656c69662f2e R15: 00000000fffffdef
 </TASK>