[FFmpeg-devel] [PATCH] avcodec/get_bits: don't shift more bits than available in an unsigned with get_leb()

[James Almer]

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavcodec/get_bits.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index 9e19d2a439..c0cc7c0a7d 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -725,7 +725,7 @@ static inline unsigned get_leb(GetBitContext *s) {
         int byte = get_bits(s, 8);
         unsigned bits = byte & 0x7f;
         more = byte & 0x80;
-        if (i <= 4)
+        if (i <= 3 || (i == 4 && bits < (1 << 4)))
             leb |= bits << (i * 7);
         if (++i == 8)
             break;
-- 
2.43.0