From eef4190e89637f1abe17cb2532509ebebdda5536 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 15 Feb 2021 21:29:11 +0100 Subject: [PATCH] avformat/vividas: Use equals check with n in read_sb_block() Fixes: OOM Fixes: 27780/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5097985075314688 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit e44214a8242bc12fa2c86fcc8b0abd2053f1c8f9) Signed-off-by: Michael Niedermayer --- libavformat/vividas.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/vividas.c b/libavformat/vividas.c index cc486ff5cc..f530034736 100644 --- a/libavformat/vividas.c +++ b/libavformat/vividas.c @@ -267,7 +267,7 @@ static uint8_t *read_sb_block(AVIOContext *src, unsigned *size, *size = n; n -= 8; - if (avio_read(src, buf+8, n) < n) { + if (avio_read(src, buf+8, n) != n) { av_free(buf); return NULL; }