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avformat/mov: Use 64bit for str_size 

We assign a 64bit variable to it before checking

Fixes: CID1604544 Overflowed integer argument

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 046d069552)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-07-11 20:03:45 +02:00
parent cda69b5438
commit 0562ec0f9a
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1 changed files with 2 additions and 1 deletions
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libavformat/mov.c
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@ -306,7 +306,8 @@ static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom)
char *str = NULL;
const char *key = NULL;
uint16_t langcode = 0;
uint32_t data_type = 0, str_size, str_size_alloc;
uint32_t data_type = 0, str_size_alloc;
uint64_t str_size;
int (*parse)(MOVContext*, AVIOContext*, unsigned, const char*) = NULL;
int raw = 0;
int num = 0;