From d7924a4f60f2088de1e6790345caba929eb97030 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 1 May 2024 21:44:33 +0200 Subject: [PATCH] avcodec/cbs_av1: Avoid shift overflow Fixes: CID1465488 Unintentional integer overflow Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer --- libavcodec/cbs_av1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/cbs_av1.c b/libavcodec/cbs_av1.c index 1d9ac5ab44..fb82996022 100644 --- a/libavcodec/cbs_av1.c +++ b/libavcodec/cbs_av1.c @@ -301,7 +301,7 @@ static int cbs_av1_write_increment(CodedBitstreamContext *ctx, PutBitContext *pb return AVERROR(ENOSPC); if (len > 0) - put_bits(pbc, len, (1 << len) - 1 - (value != range_max)); + put_bits(pbc, len, (1U << len) - 1 - (value != range_max)); CBS_TRACE_WRITE_END_NO_SUBSCRIPTS();