Author: mav
Date: Tue Jan 10 08:25:03 2017
New Revision: 311866
URL: https://svnweb.freebsd.org/changeset/base/311866
Log:
MFC r310633: Add MAX_LUNS overflow safety checks.
While this MAX_LUNS limitation is too synthetic and should be removed,
it is better to enforce it while it is here.
Modified:
stable/10/usr.sbin/ctld/parse.y
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/usr.sbin/ctld/parse.y
==============================================================================
--- stable/10/usr.sbin/ctld/parse.y Tue Jan 10 08:23:06 2017
(r311865)
+++ stable/10/usr.sbin/ctld/parse.y Tue Jan 10 08:25:03 2017
(r311866)
@@ -808,6 +808,11 @@ lun_number: STR
free($1);
return (1);
}
+ if (tmp >= MAX_LUNS) {
+ yyerror("LU number is too big");
+ free($1);
+ return (1);
+ }
ret = asprintf(&name, "%s,lun,%ju", target->t_name, tmp);
if (ret <= 0)
@@ -832,6 +837,11 @@ target_lun_ref: LUN STR STR
return (1);
}
free($2);
+ if (tmp >= MAX_LUNS) {
+ yyerror("LU number is too big");
+ free($3);
+ return (1);
+ }
lun = lun_find(conf, $3);
free($3);
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