From 011511791a3eba1001bb9acefa026cf70eb53a62 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 4 Mar 2023 23:58:08 +0100 Subject: [PATCH] avcodec/rka: use 64bit for srate_pad computation Fixes: left shift of 538976288 by 13 places cannot be represented in type 'int' Fixes: 56148/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RKA_fuzzer-6257370708967424 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit cbe5e480aa1679c1dfc20d433e310acd7449af07) Signed-off-by: Michael Niedermayer --- libavcodec/rka.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/rka.c b/libavcodec/rka.c index 3e86d83819..ce39a902af 100644 --- a/libavcodec/rka.c +++ b/libavcodec/rka.c @@ -207,7 +207,7 @@ static int chctx_init(RKAContext *s, ChContext *c, c->bprob[0] = s->bprob[0]; c->bprob[1] = s->bprob[1]; - c->srate_pad = (sample_rate << 13) / 44100 & 0xFFFFFFFCU; + c->srate_pad = ((int64_t)sample_rate << 13) / 44100 & 0xFFFFFFFCU; c->pos_idx = 1; for (int i = 0; i < FF_ARRAY_ELEMS(s->bprob[0]); i++)