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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