From a3a408259912e6d9337837c5d63c4b826778530f Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 15 Mar 2017 03:48:59 +0100 Subject: avcodec/h264_cabac: Fix runtime error: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself Fixes: 858/clusterfuzz-testcase-5168477042114560 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/h264_cabac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec') diff --git a/libavcodec/h264_cabac.c b/libavcodec/h264_cabac.c index 17a4bdadd6..a1a16daafa 100644 --- a/libavcodec/h264_cabac.c +++ b/libavcodec/h264_cabac.c @@ -1725,7 +1725,7 @@ decode_cabac_residual_internal(const H264Context *h, H264SliceContext *sl, ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \ } \ } else { \ - int coeff_abs = 2; \ + unsigned coeff_abs = 2; \ ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \ node_ctx = coeff_abs_level_transition[1][node_ctx]; \ \ -- cgit v1.2.3