From 3b8cb4dc26afbec0fdccbc498581e91eecb2f476 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 11 Jul 2024 20:17:00 +0200 Subject: [PATCH] avformat/mp3dec; Check for avio_size() failure Fixes: CID1608710 Improper use of negative value Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer (cherry picked from commit bb936a1a720856a51c48bf907475daa8065920c9) Signed-off-by: Michael Niedermayer --- libavformat/mp3dec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/mp3dec.c b/libavformat/mp3dec.c index a0edb195b5..26c1e0783b 100644 --- a/libavformat/mp3dec.c +++ b/libavformat/mp3dec.c @@ -137,9 +137,10 @@ static void read_xing_toc(AVFormatContext *s, int64_t filesize, int64_t duration int fill_index = (mp3->usetoc || fast_seek) && duration > 0; if (!filesize && - !(filesize = avio_size(s->pb))) { + (filesize = avio_size(s->pb)) <= 0) { av_log(s, AV_LOG_WARNING, "Cannot determine file size, skipping TOC table.\n"); fill_index = 0; + filesize = 0; } for (i = 0; i < XING_TOC_COUNT; i++) {