From 8d1e092b245f6ac66dfe71f76a4a18dd2c11735e Mon Sep 17 00:00:00 2001 From: Marton Balint Date: Mon, 18 Mar 2024 23:35:26 +0100 Subject: [PATCH] avfilter/af_channelmap: disallow channel index 64 MAX_CH is 64, therefore the maximum index is 63. Signed-off-by: Marton Balint (cherry picked from commit 2f754a96bd4ae4932923fe03c2d53f8273b6273c) --- libavfilter/af_channelmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavfilter/af_channelmap.c b/libavfilter/af_channelmap.c index 1bfac69624..c8225fc65f 100644 --- a/libavfilter/af_channelmap.c +++ b/libavfilter/af_channelmap.c @@ -85,7 +85,7 @@ static char* split(char *message, char delim) { return next; } -static int get_channel_idx(char **map, int *ch, char delim, int max_ch) +static int get_channel_idx(char **map, int *ch, char delim, int max_nb_channels) { char *next; int len; @@ -99,7 +99,7 @@ static int get_channel_idx(char **map, int *ch, char delim, int max_ch) sscanf(*map, "%d%n", ch, &n); if (n != len) return AVERROR(EINVAL); - if (*ch < 0 || *ch > max_ch) + if (*ch < 0 || *ch >= max_nb_channels) return AVERROR(EINVAL); *map = next; return 0;