Commit 7b6dba89 authored by Vitaly Buka's avatar Vitaly Buka Committed by Michael Niedermayer

avformat/mov: Fix signed integer overflows with total_size

Signed integer overflow is undefined behavior.
Detected with clang and -fsanitize=signed-integer-overflow
Signed-off-by: 's avatarVitaly Buka <>
Signed-off-by: 's avatarMichael Niedermayer <>
(cherry picked from commit 4a404cb5)
Signed-off-by: 's avatarMichael Niedermayer <>
parent edac2328
......@@ -4415,7 +4415,7 @@ static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
if (atom.size < 0)
atom.size = INT64_MAX;
while (total_size + 8 <= atom.size && !avio_feof(pb)) {
while (total_size <= atom.size - 8 && !avio_feof(pb)) {
int (*parse)(MOVContext*, AVIOContext*, MOVAtom) = NULL;
a.size = atom.size;
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