bunzip2: the correct condition is "n < groupCount", not "n <= groupCount". Closes 11896

function                                             old     new   delta
get_next_block                                      1677    1681      +4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/archival/libarchive/decompress_bunzip2.c b/archival/libarchive/decompress_bunzip2.c
index 78366f26a..1f535b32a 100644
--- a/archival/libarchive/decompress_bunzip2.c
+++ b/archival/libarchive/decompress_bunzip2.c
@@ -235,9 +235,9 @@ static int get_next_block(bunzip_data *bd)
                 /* Get next value */
                 int n = 0;
                 while (get_bits(bd, 1)) {
+                        n++;
                         if (n >= groupCount)
                                 return RETVAL_DATA_ERROR;
-                        n++;
                 }
                 /* Decode MTF to get the next selector */
                 tmp_byte = mtfSymbol[n];