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authorAndreas Cadhalpun <andreas.cadhalpun@googlemail.com>2016-11-04 23:33:02 +0100
committerLuca Barbato <lu_zero@gentoo.org>2016-11-07 22:42:00 +0100
commit43de8b328b62cf21ec176c3989065168da471a5f (patch)
treec3ca857e32686031d593761438875fd8f53d1b91 /libavcodec
parentab839054e662d3227e1f795ba1dfd01fe1cf305c (diff)
downloadffmpeg-43de8b328b62cf21ec176c3989065168da471a5f.tar.gz
lzf: update pointer p after realloc
This fixes heap-use-after-free detected by AddressSanitizer. Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/lzf.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/lzf.c b/libavcodec/lzf.c
index 35b932bd08..0329fe0eec 100644
--- a/libavcodec/lzf.c
+++ b/libavcodec/lzf.c
@@ -53,6 +53,7 @@ int ff_lzf_uncompress(GetByteContext *gb, uint8_t **buf, int64_t *size)
ret = av_reallocp(buf, *size);
if (ret < 0)
return ret;
+ p = *buf + len;
}
bytestream2_get_buffer(gb, p, s);
@@ -75,6 +76,7 @@ int ff_lzf_uncompress(GetByteContext *gb, uint8_t **buf, int64_t *size)
ret = av_reallocp(buf, *size);
if (ret < 0)
return ret;
+ p = *buf + len;
}
av_memcpy_backptr(p, off, l);