bogon in 4.x memory device
From: Alfred Perlstein (bright@mu.org)
Date: 09/25/01
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Date: Tue, 25 Sep 2001 02:07:01 -0500 From: Alfred Perlstein <bright@mu.org> To: alpha@freebsd.org
without this top(1) fails on machines with raised securelevel.
can anyone review/comment?
Reported by: brian j. peterson <rbw@myplace.org>
Index: mem.c
===================================================================
RCS file: /home/ncvs/src/sys/alpha/alpha/mem.c,v
retrieving revision 1.19.2.3
diff -u -r1.19.2.3 mem.c
--- mem.c 2000/05/14 00:29:44 1.19.2.3
+++ mem.c 2001/09/25 06:55:30
@@ -138,7 +138,7 @@
switch (minor(dev)) {
case 0:
case 1:
- if (securelevel >= 1)
+ if ((flags & FWRITE) && securelevel > 0)
return (EPERM);
break;
case 32:
-- -Alfred Perlstein [alfred@freebsd.org] 'Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom.' To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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