Fixes: null pointer dereference
Fixes: ffmpeg_crash_6.avi
Found-by: Thuan Pham, Marcel Böhme, Andrew Santosa and Alexandru Razvan
Caciulescu with AFLSmart
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/ac3_parser.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavcodec/ac3_parser.c b/libavcodec/ac3_parser.c
index f4618bf215..1e203ae6ac 100644
--- a/libavcodec/ac3_parser.c
+++ b/libavcodec/ac3_parser.c
@@ -162,7 +162,9 @@ int avpriv_ac3_parse_header(AC3HeaderInfo **phdr, const
uint8_t *buf,
return AVERROR(ENOMEM);
hdr = *phdr;
- init_get_bits8(&gb, buf, size);
+ err = init_get_bits8(&gb, buf, size);
+ if (err < 0)
+ return AVERROR_INVALIDDATA;
err = ff_ac3_parse_header(&gb, hdr);
if (err < 0)
return AVERROR_INVALIDDATA;
--
2.18.0
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