Fix stupid error in allocating 0x20-flip bitmaps.

Signed-off-by: DL6ER <[email protected]>
pi-hole · Feb 21, 2025 · 20a5ff6 · 20a5ff6
1 parent 54fcb6e
commit 20a5ff6
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/dnsmasq/forward.c b/src/dnsmasq/forward.c
@@ -301,8 +301,9 @@ static void forward_query(int udpfd, union mysockaddr *udpaddr,
 
 	      if (gobig && !bitvector)
 		{
-		  casediff = (i/BITS_IN_INT) + 1; /* length of array */
-		  if ((bitvector = whine_malloc(casediff)))
+		  casediff = ((i - 1)/BITS_IN_INT) + 1; /* length of array */
+		  /* whine_malloc() zeros memory */
+		  if ((bitvector = whine_malloc(casediff * sizeof(unsigned int))))
 		    goto big_redo;
 		}
 	    }