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Date: Thu, 25 Oct 2001 07:58:26 -0700 (PDT)
From: Maxim Katargin <kmv@asplinux.ru>
To: freebsd-gnats-submit@FreeBSD.org
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Subject: kern/31490: Panic in sysctl_sysctl_next_ls on empy node
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>Number:         31490
>Category:       kern
>Synopsis:       Panic in sysctl_sysctl_next_ls on empy node
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Oct 25 08:00:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Maxim Katargin
>Release:        4.4
>Organization:
>Environment:
FreeBSD walder.asplinux.ru 4.4-RELEASE FreeBSD 4.4-RELEASE #1: Mon Sep 17 13:29:51 MSD 2001 root@walder.asplinux.ru:/usr/obj/ext/release-4.4/src/sys/WALDER  i386
>Description:
Panic in sysctl_sysctl_next_ls on empy node.
>How-To-Repeat:

>Fix:
Index: kern/kern_sysctl.c
===================================================================
RCS file: /ext/vcvs/src/sys/kern/kern_sysctl.c,v
retrieving revision 1.92.2.5
diff -u -r1.92.2.5 kern_sysctl.c
--- kern/kern_sysctl.c  2001/06/18 23:48:13     1.92.2.5
+++ kern/kern_sysctl.c  2001/10/25 14:54:42
@@ -528,7 +528,9 @@
        int *next, int *len, int level, struct sysctl_oid **oidpp)
 {
        struct sysctl_oid *oidp;
+       int isnamelen;

+       isnamelen = namelen ? 1 : 0
        *len = level;
        SLIST_FOREACH(oidp, lsp, oid_link) {
                *next = oidp->oid_number;
@@ -572,7 +574,7 @@
                        len, level+1, oidpp))
                        return (0);
        next:
-               namelen = 1;
+               namelen = isnamelen;
                *len = level;
        }
        return 1;

>Release-Note:
>Audit-Trail:
>Unformatted:

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