Author: ngie
Date: Tue Dec 22 05:57:23 2015
New Revision: 292585
URL: https://svnweb.freebsd.org/changeset/base/292585
Log:
Prevent use-after-free with ctx->ns in set_nameservers(..), which could occur
if the memory wasn't allocated again later on
Reported by: Coverity
Submitted by: Miles Ohlrich <miles.ohlr...@isilon.com>
MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division
Modified:
head/usr.sbin/uhsoctl/uhsoctl.c
Modified: head/usr.sbin/uhsoctl/uhsoctl.c
==============================================================================
--- head/usr.sbin/uhsoctl/uhsoctl.c Tue Dec 22 03:07:38 2015
(r292584)
+++ head/usr.sbin/uhsoctl/uhsoctl.c Tue Dec 22 05:57:23 2015
(r292585)
@@ -452,6 +452,7 @@ set_nameservers(struct ctx *ctx, const c
free(ctx->ns[i]);
}
free(ctx->ns);
+ ctx->ns = NULL;
}
fd = open(respath, O_RDWR | O_CREAT | O_NOFOLLOW, 0666);
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