[FFmpeg-devel] [PATCH 9/9] avcodec/wavpackenc: Use unsigned for potential 31bit shift

[Michael Niedermayer]

Fixes: CID1465481 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/wavpackenc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/wavpackenc.c b/libavcodec/wavpackenc.c
index ba0371592d9..e99ab951d41 100644
--- a/libavcodec/wavpackenc.c
+++ b/libavcodec/wavpackenc.c
@@ -1979,7 +1979,7 @@ 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);
@@ -2008,7 +2008,7 @@ 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);
-- 
2.45.1