From b47116be45d9d609ebef520f2a39ea35072a6203 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Wed, 22 May 2024 06:48:48 +0200 Subject: [PATCH] avformat/oggdec: Check ffio_ensure_seekback() Fixes Coverity issue #1492327. Signed-off-by: Andreas Rheinhardt --- libavformat/oggdec.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c index 8ea81e5d45..5339fdd32c 100644 --- a/libavformat/oggdec.c +++ b/libavformat/oggdec.c @@ -364,7 +364,9 @@ static int ogg_read_page(AVFormatContext *s, int *sid, int probing) ffio_init_checksum(bc, ff_crc04C11DB7_update, 0x4fa9b05f); /* To rewind if checksum is bad/check magic on switches - this is the max packet size */ - ffio_ensure_seekback(bc, MAX_PAGE_SIZE); + ret = ffio_ensure_seekback(bc, MAX_PAGE_SIZE); + if (ret < 0) + return ret; start_pos = avio_tell(bc); version = avio_r8(bc);