Fixes: left shift of 34136248 by 6 places cannot be represented in type 'int' Fixes: 58429/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RKA_fuzzer-5692211592560640
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/rka.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/rka.c b/libavcodec/rka.c index 3e86d83819..01920dbba5 100644 --- a/libavcodec/rka.c +++ b/libavcodec/rka.c @@ -750,7 +750,7 @@ static int decode_filter(RKAContext *s, ChContext *ctx, ACoder *ac, int off, uns } if (ctx->cmode2 != 0) { int sum = 0; - for (int i = (m << 6) / split; i > 0; i = i >> 1) + for (int i = (signed)((unsigned)m << 6) / split; i > 0; i = i >> 1) sum++; sum = sum - (ctx->cmode2 + 7); ctx->cmode = FFMAX(sum, tab[ctx->cmode2]); -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
