From 590fffe6adcfdc13e6f520a47be0ece72fe0707d Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Wed, 22 May 2024 06:49:43 +0200 Subject: [PATCH] avformat/gifdec: Check ffio_ensure_seekback() Fixes Coverity issue #1598400. Signed-off-by: Andreas Rheinhardt --- libavformat/gifdec.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavformat/gifdec.c b/libavformat/gifdec.c index 294007682b..d5f06adc64 100644 --- a/libavformat/gifdec.c +++ b/libavformat/gifdec.c @@ -85,7 +85,10 @@ static int gif_probe(const AVProbeData *p) static int resync(AVIOContext *pb) { - ffio_ensure_seekback(pb, 13); + int ret = ffio_ensure_seekback(pb, 13); + if (ret < 0) + return ret; + for (int i = 0; i < 6; i++) { int b = avio_r8(pb); if (b != gif87a_sig[i] && b != gif89a_sig[i])