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Merge pull request #739 from OlegTsyba/fix_grow_zerofill

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fix(buffer): prevent possible buffer overflow in `grow_zerofill`
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Sean McArthur
2016-03-02 11:06:36 -08:00
parent 63b2759e2f c720295e99
commit 45ec6fd884
1 changed files with 1 additions and 1 deletions
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2
src/buffer.rs
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@@ -79,7 +79,7 @@ unsafe fn grow_zerofill(buf: &mut Vec<u8>, additional: usize) {
use std::ptr; use std::ptr;
let len = buf.len(); let len = buf.len();
buf.set_len(len + additional); buf.set_len(len + additional);
ptr::write_bytes(buf.as_mut_ptr().offset(len as isize), 0, buf.len()); ptr::write_bytes(buf.as_mut_ptr().offset(len as isize), 0, additional);
} }
impl<R: Read> Read for BufReader<R> { impl<R: Read> Read for BufReader<R> {