lavf/apngdec: Return EOF for incomplete files.

Fixes ticket #7536.

lavf/apngdec: Return EOF for incomplete files.
Fixes ticket #7536.
5ff080fd · Carl Eugen Hoyos · 0f0f8407 · 5ff080fd
Commit 5ff080fd authored Nov 07, 2018 by Carl Eugen Hoyos
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apngdec.c libavformat/apngdec.c +4 -0

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--- a/libavformat/apngdec.c
+++ b/libavformat/apngdec.c
@@ -342,6 +342,10 @@ static int apng_read_packet(AVFormatContext *s, AVPacket *pkt)

    len = avio_rb32(pb);
    tag = avio_rl32(pb);
+
+    if (avio_feof(pb))
+        return AVERROR_EOF;
+
    switch (tag) {
    case MKTAG('f', 'c', 'T', 'L'):
        if (len != 26)