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avfilter/aiir: reject non-finite parameters

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Signed-off-by: Ayoub Nabil Boubagrat <237098474+ayoubnabil@users.noreply.github.com>
This commit is contained in:
Ayoub Nabil Boubagrat
2026-08-28 11:53:43 +02:00
committed by michaelni
parent 0ba7514f99
commit 1d49dc80a9
1 changed files with 4 additions and 3 deletions
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7
libavfilter/af_aiir.c
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@@ -377,7 +377,7 @@ static int read_gains(AVFilterContext *ctx, char *item_str, int nb_items)
}
p = NULL;
if (av_sscanf(arg, "%lf", &s->iir[i].g) != 1) {
if (av_sscanf(arg, "%lf", &s->iir[i].g) != 1 || !isfinite(s->iir[i].g)) {
av_log(ctx, AV_LOG_ERROR, "Invalid gains supplied: %s\n", arg);
av_freep(&old_str);
return AVERROR(EINVAL);
@@ -404,7 +404,7 @@ static int read_tf_coefficients(AVFilterContext *ctx, char *item_str, int nb_ite
break;
p = NULL;
if (av_sscanf(arg, "%lf", &dst[i]) != 1) {
if (av_sscanf(arg, "%lf", &dst[i]) != 1 || !isfinite(dst[i])) {
av_log(ctx, AV_LOG_ERROR, "Invalid coefficients supplied: %s\n", arg);
av_freep(&old_str);
return AVERROR(EINVAL);
@@ -429,7 +429,8 @@ static int read_zp_coefficients(AVFilterContext *ctx, char *item_str, int nb_ite
break;
p = NULL;
if (av_sscanf(arg, format, &dst[i*2], &dst[i*2+1]) != 2) {
if (av_sscanf(arg, format, &dst[i*2], &dst[i*2+1]) != 2 ||
!isfinite(dst[i*2]) || !isfinite(dst[i*2+1])) {
av_log(ctx, AV_LOG_ERROR, "Invalid coefficients supplied: %s\n", arg);
av_freep(&old_str);
return AVERROR(EINVAL);