svn commit: r365337 - head/tests/sys/kern

[Li-Wen Hsu]

Author: lwhsu
Date: Fri Sep  4 19:24:27 2020
New Revision: 365337
URL: https://svnweb.freebsd.org/changeset/base/365337

Log:
  Initialize len to avoid ENOMEM from sysctl(3).
  
  PR:		248933
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/tests/sys/kern/kern_copyin.c

Modified: head/tests/sys/kern/kern_copyin.c
==============================================================================
--- head/tests/sys/kern/kern_copyin.c	Fri Sep  4 18:55:03 2020	(r365336)
+++ head/tests/sys/kern/kern_copyin.c	Fri Sep  4 19:24:27 2020	(r365337)
@@ -66,6 +66,7 @@ get_maxuser_address(void)
 	mib[1] = KERN_PROC;
 	mib[2] = KERN_PROC_PS_STRINGS;
 	mib[3] = getpid();
+	len = sizeof(psstrings);
 	error = sysctl(mib, nitems(mib), &psstrings, &len, NULL, 0);
 	if (error != 0)
 		return (0);