------------[ cut here ]------------
WARNING: CPU: 0 PID: 6602 at fs/udf/inode.c:2020 __udf_add_aext+0x54c/0x6f0
Modules linked in:
CPU: 0 PID: 6602 Comm: syz.3.825 Not tainted 6.1.96-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__udf_add_aext+0x54c/0x6f0 fs/udf/inode.c:2019
Code: 4c 89 e7 e8 56 e7 e3 fe 49 8b 3c 24 4c 89 fe e8 1a 06 03 ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 24 66 8c fe <0f> 0b e9 ed fb ff ff e8 18 66 8c fe 0f 0b e9 5c fc ff ff e8 0c 66
RSP: 0018:ffffc900033d77d8 EFLAGS: 00010283
RAX: ffffffff82fe2dac RBX: 1ffff9200067af75 RCX: 0000000000040000
RDX: ffffc9000a819000 RSI: 000000000000a651 RDI: 000000000000a652
RBP: 00000000000001d0 R08: ffffffff82fe2992 R09: ffffffff82fe28c2
R10: 0000000000000002 R11: ffff888024320000 R12: ffffc900033d7ba0
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900033d7ba8
FS:  00007f60107cf6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f60107cefa8 CR3: 000000006106e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_setup_indirect_aext+0x6ba/0x980 fs/udf/inode.c:1985
 udf_add_aext fs/udf/inode.c:2072 [inline]
 udf_do_extend_file+0x6df/0x1140 fs/udf/inode.c:563
 udf_extend_file fs/udf/inode.c:677 [inline]
 udf_setsize+0xd3c/0x1430 fs/udf/inode.c:1241
 udf_setattr+0x36c/0x540 fs/udf/file.c:279
 notify_change+0xce3/0xfc0 fs/attr.c:499
 do_truncate+0x21c/0x300 fs/open.c:65
 do_sys_ftruncate+0x2e2/0x380 fs/open.c:193
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f600f975f19
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:00007f60107cf048 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f600fb04038 RCX: 00007f600f975f19
RDX: 0000000000000000 RSI: 0000008002007ffb RDI: 0000000000000004
RBP: 00007f600f9e4bcd R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f600fb04038 R15: 00007ffea2d38ed8
 </TASK>