BR 1880905: make sure we have enough zero-padding data for 'DO'

When using DO with a string that was too short, we would run off the
end of an all-zero buffer.  Make sure the buffer is long enough.

1 files changed, 2 insertions, 1 deletions

diff --git a/assemble.c b/assemble.c
index f15b11a8..681af699 100644
--- a/assemble.c
+++ b/assemble.c
@@ -312,7 +312,8 @@ int64_t assemble(int32_t segment, int64_t offset, int bits, uint32_t cp,
 
                     if (align) {
                         align = wsize - align;
-                        out(offset, segment, "\0\0\0\0\0\0\0\0",
+                        out(offset, segment,
+			    "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
                             OUT_RAWDATA, align, NO_SEG, NO_SEG);
                     }
                     offset += e->stringlen + align;