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authorMichael Niedermayer <michael@niedermayer.cc>2019-09-08 21:08:31 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2019-11-11 20:18:47 +0100
commitc6b6f2b3428a49873e44ef8452999b8c28641f90 (patch)
treec449316f74f201893624b0e440ac930becb58973
parent0d47567d0be73f4927c19f3075f903006f9d6fc7 (diff)
downloadffmpeg-c6b6f2b3428a49873e44ef8452999b8c28641f90.tar.gz
avcodec/aacdec: Check if we run out of input in read_stream_mux_config()
Fixes: Infinite loop Fixes: 16920/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-5653421289373696 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 3dce4d03d5a555bff2e11f97fb54701b22effeaf) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/aacdec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index 758c89e107..cc97ff4389 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -411,6 +411,8 @@ static int read_stream_mux_config(struct LATMContext *latmctx,
} else {
int esc;
do {
+ if (get_bits_left(gb) < 9)
+ return AVERROR_INVALIDDATA;
esc = get_bits(gb, 1);
skip_bits(gb, 8);
} while (esc);