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avdevice/opengl_enc: check sscanf return value

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Paul B Mahol 2023-05-22 20:05:53 +02:00
parent 86b252ea9d
commit 557686ac63
1 changed files with 2 additions and 1 deletions
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3
libavdevice/opengl_enc.c
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@ -594,7 +594,8 @@ static av_cold int opengl_read_limits(AVFormatContext *h)
} }
av_log(h, AV_LOG_DEBUG, "OpenGL version: %s\n", version); av_log(h, AV_LOG_DEBUG, "OpenGL version: %s\n", version);
sscanf(version, "%d.%d", &major, &minor); if (sscanf(version, "%d.%d", &major, &minor) != 2)
return AVERROR(ENOSYS);
for (i = 0; required_extensions[i].extension; i++) { for (i = 0; required_extensions[i].extension; i++) {
if (major < required_extensions[i].major && if (major < required_extensions[i].major &&