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| author | Paul B Mahol <onemda@gmail.com> | 2020-12-02 13:46:22 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2020-12-02 13:54:53 +0100 |
| commit | 13df9bfbcb404e90933c5bb7d8a7fe04f506e3bd (patch) | |
| tree | a010cbecdc55745fa8da01974d887d69af86d486 | |
| parent | b0298ad4e5448d949c6e4a3cdd55de223cb59865 (diff) | |
| download | ffmpeg-13df9bfbcb404e90933c5bb7d8a7fe04f506e3bd.tar.gz | |
avutil/avsscanf: fix possible overreads when dealing with %c or %s
| -rw-r--r-- | libavutil/avsscanf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavutil/avsscanf.c b/libavutil/avsscanf.c index 850c117940..b7f0f71c2d 100644 --- a/libavutil/avsscanf.c +++ b/libavutil/avsscanf.c @@ -113,7 +113,7 @@ static int ffshgetc(FFFILE *f) } #define shlim(f, lim) ffshlim((f), (lim)) -#define shgetc(f) (((f)->rpos != (f)->shend) ? *(f)->rpos++ : ffshgetc(f)) +#define shgetc(f) (((f)->rpos < (f)->shend) ? *(f)->rpos++ : ffshgetc(f)) #define shunget(f) ((f)->shend ? (void)(f)->rpos-- : (void)0) static const unsigned char table[] = { -1, |