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];
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