Bug 1407833 - update rust mp4 parser for add overflow. r=kinetik

MozReview-Commit-ID: 8nGLWcXmGCr

--HG--
extra : rebase_source : 36452e27c7a6d9488164defa03f7eea281ddeef3

media/libstagefright/binding/mp4parse_capi/src/lib.rs

@@ -841,7 +841,10 @@ impl<'a> Iterator for SampleToChunkIterator<'a> {
                         self.sample_count = next.samples_per_chunk;
                         // Total chunk number in 'stsc' could be different to 'stco',
                         // there could be more chunks at the last 'stsc' record.
-                        ((next.first_chunk - 1) .. next.first_chunk + self.remain_chunk_count -1)
+                        match next.first_chunk.checked_add(self.remain_chunk_count) {
+                            Some(r) => ((next.first_chunk - 1) .. r - 1),
+                            _ => (0 .. 0),
+                        }
                     },
                     _ => (0 .. 0),
                 };

media/libstagefright/binding/update-rust.sh

@@ -2,7 +2,7 @@
 # Script to update mp4parse-rust sources to latest upstream
 
 # Default version.
-VER=7a10a8349b7dc098210deb0872de801e30f2d65e
+VER=cfeeab0036e14658f28f8df16c7ddede46ccf79a
 
 # Accept version or commit from the command line.
 if test -n "$1"; then