From 6ecbd8bbcae6cc20ad9eef295b6f9ef8a75e35cf Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 3 Nov 2024 20:47:07 +0100 Subject: [PATCH] avformat/ilbc: Check avio_read() for failure Fixes: use of uninitialized value Fixes: 42537627/clusterfuzz-testcase-minimized-fuzzer_protocol_memory-6656646223298560-cut Found-by: ossfuzz Reported-by: Kacper Michajlow Signed-off-by: Michael Niedermayer (cherry picked from commit e30d957a9bacf7f7307c640aa0bd1e70cb3bbe7e) Signed-off-by: Michael Niedermayer --- libavformat/ilbc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/ilbc.c b/libavformat/ilbc.c index 50e3c3cc76..cfba8ae308 100644 --- a/libavformat/ilbc.c +++ b/libavformat/ilbc.c @@ -74,7 +74,8 @@ static int ilbc_read_header(AVFormatContext *s) AVStream *st; uint8_t header[9]; - avio_read(pb, header, 9); + if (avio_read(pb, header, 9) != 9) + return AVERROR_INVALIDDATA; st = avformat_new_stream(s, NULL); if (!st)