From b48f33a17c50ea0242aa3900a76d19ffb278cb2c Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 19 May 2024 04:49:15 +0200 Subject: [PATCH] avcodec/wavpackenc: Use unsigned for potential 31bit shift Fixes: CID1465481 Unintentional integer overflow Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer (cherry picked from commit 6f976db251864ad698c935130370774783bf12f4) Signed-off-by: Michael Niedermayer --- libavcodec/wavpackenc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/wavpackenc.c b/libavcodec/wavpackenc.c index 0c85fbe374..2bc5890087 100644 --- a/libavcodec/wavpackenc.c +++ b/libavcodec/wavpackenc.c @@ -1976,7 +1976,7 @@ static void encode_flush(WavPackEncodeContext *s) put_bits(pb, 31, 0x7FFFFFFF); cbits -= 31; } else { - put_bits(pb, cbits, (1 << cbits) - 1); + put_bits(pb, cbits, (1U << cbits) - 1); cbits = 0; } } while (cbits); @@ -2005,7 +2005,7 @@ static void encode_flush(WavPackEncodeContext *s) put_bits(pb, 31, 0x7FFFFFFF); cbits -= 31; } else { - put_bits(pb, cbits, (1 << cbits) - 1); + put_bits(pb, cbits, (1U << cbits) - 1); cbits = 0; } } while (cbits);