svn commit: r365970 - head/usr.bin/mkcsmapper

[Alex Richardson]

Author: arichardson
Date: Mon Sep 21 19:03:17 2020
New Revision: 365970
URL: https://svnweb.freebsd.org/changeset/base/365970

Log:
  mkcsmapper: Fix UBSan signed shift error
  
  usr.bin/mkcsmapper/yacc.y:466:18: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'

Modified:
  head/usr.bin/mkcsmapper/yacc.y

Modified: head/usr.bin/mkcsmapper/yacc.y
==============================================================================
--- head/usr.bin/mkcsmapper/yacc.y	Mon Sep 21 19:03:12 2020	(r365969)
+++ head/usr.bin/mkcsmapper/yacc.y	Mon Sep 21 19:03:17 2020	(r365970)
@@ -463,7 +463,7 @@ set_src_zone(u_int32_t val)
 	default: 
 		goto bad;
 	}
-	rowcol_mask = 1 << (rowcol_bits - 1);
+	rowcol_mask = 1u << (rowcol_bits - 1);
 	rowcol_mask |= rowcol_mask - 1;
 	for (i = 0; i < rowcol_len; ++i) {
 		p = &rowcol[i];