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fix buffer overflow in bit matrix

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This commit is contained in:
Henry Schimke
2023-01-31 18:42:59 -06:00
parent 6389d05aa3
commit 752655807c
1 changed files with 2 additions and 2 deletions
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4
src/common/bit_matrix.rs
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@@ -228,9 +228,9 @@ impl BitMatrix {
pub fn try_get_area(&self, x: u32, y: u32, box_size: u32) -> Option<bool> {
let mut matrix = Vec::with_capacity((box_size * box_size) as usize);
let start_x = x - box_size / 2;
let start_x = (x as i32 - box_size as i32 / 2).max(0) as u32;
let end_x = x + box_size / 2;
let start_y = y - box_size / 2;
let start_y = (y as i32 - box_size as i32 / 2).max(0) as u32;
let end_y = y + box_size / 2;
for get_x in start_x..=end_x {