Author: ian
Date: Sat Mar 14 18:46:33 2015
New Revision: 280000
URL: https://svnweb.freebsd.org/changeset/base/280000
Log:
Use sbuf_new_for_sysctl() instead of plain sbuf_new() to ensure sysctl
string returned to userland is nulterminated.
PR: 195668
Modified:
head/sys/kern/kern_fail.c
Modified: head/sys/kern/kern_fail.c
==============================================================================
--- head/sys/kern/kern_fail.c Sat Mar 14 18:42:30 2015 (r279999)
+++ head/sys/kern/kern_fail.c Sat Mar 14 18:46:33 2015 (r280000)
@@ -394,11 +394,10 @@ fail_point_sysctl(SYSCTL_HANDLER_ARGS)
int error;
/* Retrieving */
- sbuf_new(&sb, NULL, 128, SBUF_AUTOEXTEND);
+ sbuf_new_for_sysctl(&sb, NULL, 128, req);
fail_point_get(fp, &sb);
sbuf_trim(&sb);
- sbuf_finish(&sb);
- error = SYSCTL_OUT(req, sbuf_data(&sb), sbuf_len(&sb));
+ error = sbuf_finish(&sb);
sbuf_delete(&sb);
/* Setting */
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