------------[ cut here ]------------
WARNING: CPU: 1 PID: 6820 at fs/udf/inode.c:2025 __udf_add_aext+0x54c/0x6f0
Modules linked in:
CPU: 1 PID: 6820 Comm: syz.1.628 Not tainted 5.15.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__udf_add_aext+0x54c/0x6f0 fs/udf/inode.c:2024
Code: 4c 89 e7 e8 86 ad ef fe 49 8b 3c 24 4c 89 fe e8 ca 1d 0b ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 84 e4 a5 fe <0f> 0b e9 ed fb ff ff e8 78 e4 a5 fe 0f 0b e9 5c fc ff ff e8 6c e4
RSP: 0018:ffffc900030077d8 EFLAGS: 00010287
RAX: ffffffff82da757c RBX: 1ffff92000600f75 RCX: 0000000000040000
RDX: ffffc90003e69000 RSI: 000000000001ce38 RDI: 000000000001ce39
RBP: 00000000000001d0 R08: ffffffff82da7162 R09: ffffffff82da7092
R10: 0000000000000002 R11: ffff888026f8bb80 R12: ffffc90003007ba0
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003007ba8
FS:  00007f21b8fca6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd144dba2d8 CR3: 00000000239e4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_setup_indirect_aext+0x6bc/0x980 fs/udf/inode.c:1990
 udf_add_aext fs/udf/inode.c:2077 [inline]
 udf_do_extend_file+0x6df/0x1140 fs/udf/inode.c:562
 udf_extend_file fs/udf/inode.c:676 [inline]
 udf_setsize+0xd3c/0x1430 fs/udf/inode.c:1246
 udf_setattr+0x36c/0x540 fs/udf/file.c:277
 notify_change+0xc6d/0xf50 fs/attr.c:505
 do_truncate+0x21c/0x300 fs/open.c:65
 do_sys_ftruncate+0x2eb/0x390 fs/open.c:193
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f21bab50ef9
Code: ff ff c3 66 2e 0f 1f 84 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
RSP: 002b:00007f21b8fca038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f21bad09f80 RCX: 00007f21bab50ef9
RDX: 0000000000000000 RSI: 0000008002007ffb RDI: 0000000000000003
RBP: 00007f21babc3046 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f21bad09f80 R15: 00007ffd85431da8
 </TASK>