Merge pull request ps2dev#685 from uyjulian/iomanx_fd_lower_bounds_check

iomanX perform lower bounds check on fd before returning
Wolf3s · Nov 29, 2024 · e3bea49 · e3bea49
2 parents 0fa8842 + 21f1876
commit e3bea49
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/iop/system/iomanx/src/iomanX.c b/iop/system/iomanx/src/iomanX.c
@@ -979,7 +979,7 @@ static iomanX_iop_file_t *new_iob(void)
 
 static iomanX_iop_file_t *get_iob(int fd)
 {
-	if ( ((unsigned int)fd >= (sizeof(file_table) / sizeof(file_table[0]))) || (!file_table[fd].device) )
+	if ( (fd < 0) || ((unsigned int)fd >= (sizeof(file_table) / sizeof(file_table[0]))) || (!file_table[fd].device) )
 		return NULL;
 	return &file_table[fd];
 }