From e7cb161515fc9fb6d30d1681d64d9ba7ad737a4e Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 29 May 2012 19:50:15 +0200
Subject: [PATCH] ape: Fix null ptr dereference with files missing a
seekatable.
Such files are currently not supported as the table is used at several points
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavformat/ape.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/ape.c b/libavformat/ape.c
index 640a7f699bc..fff85c4edba 100644
--- a/libavformat/ape.c
+++ b/libavformat/ape.c
@@ -278,6 +278,9 @@ static int ape_read_header(AVFormatContext * s)
return AVERROR(ENOMEM);
for (i = 0; i < ape->seektablelength / sizeof(uint32_t); i++)
ape->seektable[i] = avio_rl32(pb);
+ }else{
+ av_log(s, AV_LOG_ERROR, "Missing seektable\n");
+ return -1;
}
ape->frames[0].pos = ape->firstframe;
--
GitLab