From 682b002d1538ee4246f1cf5356441fd8399bb86d 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 (cherry picked from commit d7924a4f60f2088de1e6790345caba929eb97030) 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 0abcba9c60..0adf83f770 100644 --- a/libavcodec/cbs_av1.c +++ b/libavcodec/cbs_av1.c @@ -383,7 +383,7 @@ static int cbs_av1_write_increment(CodedBitstreamContext *ctx, PutBitContext *pb } if (len > 0) - put_bits(pbc, len, (1 << len) - 1 - (value != range_max)); + put_bits(pbc, len, (1U << len) - 1 - (value != range_max)); return 0; }