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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00

avformat/subfile: Assert that whence is a known case

This may help CID1452449 Uninitialized scalar variable

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 426d8c84c3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-06-08 20:46:28 +02:00
parent dfed9fc7bd
commit 49d34302a6
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64

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@ -18,6 +18,7 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "url.h"
@ -135,6 +136,8 @@ static int64_t subfile_seek(URLContext *h, int64_t pos, int whence)
case SEEK_END:
new_pos = end + pos;
break;
default:
av_assert0(0);
}
if (new_pos < c->start)
return AVERROR(EINVAL);