[FFmpeg-devel] [PATCH] targa: prevent integer overflow in bufsize check.
Ronald S. Bultje
rsbultje
Mon Feb 21 19:45:19 CET 2011
---
libavcodec/targa.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/libavcodec/targa.c b/libavcodec/targa.c
index 0892b6f..3c220f4 100644
--- a/libavcodec/targa.c
+++ b/libavcodec/targa.c
@@ -34,7 +34,7 @@ typedef struct TargaContext {
} TargaContext;
#define CHECK_BUFFER_SIZE(buf, buf_end, needed, where) \
- if(buf + needed > buf_end){ \
+ if(needed > buf_end - buf){ \
av_log(avctx, AV_LOG_ERROR, "Problem: unexpected end of data while reading " where "\n"); \
return -1; \
} \
--
1.7.2.1
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