loop4: detected capacity change from 0 to 2048 UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4044 at fs/udf/inode.c:2025 __udf_add_aext+0x54c/0x6f0 Modules linked in: CPU: 0 PID: 4044 Comm: syz-executor.4 Not tainted 5.15.159-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:__udf_add_aext+0x54c/0x6f0 fs/udf/inode.c:2024 Code: 4c 89 e7 e8 66 fa ef fe 49 8b 3c 24 4c 89 fe e8 8a 60 0b ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 34 2c a6 fe <0f> 0b e9 ed fb ff ff e8 28 2c a6 fe 0f 0b e9 5c fc ff ff e8 1c 2c RSP: 0018:ffffc900043b77d8 EFLAGS: 00010283 RAX: ffffffff82da308c RBX: 1ffff92000876f75 RCX: 0000000000040000 RDX: ffffc90002e69000 RSI: 000000000000ac00 RDI: 000000000000ac01 RBP: 00000000000001d0 R08: ffffffff82da2c72 R09: ffffffff82da2ba2 R10: 0000000000000002 R11: ffff88807e4f1dc0 R12: ffffc900043b7ba0 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900043b7ba8 FS: 00007f429ed7b6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb15b5be000 CR3: 000000001a0de000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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