--- /dev/null
+From 0f13864e5b24d9cbe18d125d41bfa4b726a82e40 Mon Sep 17 00:00:00 2001
+From: Karsten Keil <kkeil@suse.de>
+Date: Thu, 22 Nov 2007 12:43:13 +0100
+Subject: isdn: avoid copying overly-long strings
+Message-ID: <20071122120142.GA2407@pingi.kke.suse.de>
+
+From: Karsten Keil <kkeil@suse.de>
+
+patch 0f13864e5b24d9cbe18d125d41bfa4b726a82e40 in mainline.
+
+Addresses http://bugzilla.kernel.org/show_bug.cgi?id=9416
+
+Signed-off-by: Karsten Keil <kkeil@suse.de>
+Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
+Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
+
+---
+ drivers/isdn/i4l/isdn_net.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+--- a/drivers/isdn/i4l/isdn_net.c
++++ b/drivers/isdn/i4l/isdn_net.c
+@@ -2126,7 +2126,7 @@ isdn_net_find_icall(int di, int ch, int
+ u_long flags;
+ isdn_net_dev *p;
+ isdn_net_phone *n;
+- char nr[32];
++ char nr[ISDN_MSNLEN];
+ char *my_eaz;
+
+ /* Search name in netdev-chain */
+@@ -2135,7 +2135,7 @@ isdn_net_find_icall(int di, int ch, int
+ nr[1] = '\0';
+ printk(KERN_INFO "isdn_net: Incoming call without OAD, assuming '0'\n");
+ } else
+- strcpy(nr, setup->phone);
++ strlcpy(nr, setup->phone, ISDN_MSNLEN);
+ si1 = (int) setup->si1;
+ si2 = (int) setup->si2;
+ if (!setup->eazmsn[0]) {
+@@ -2802,7 +2802,7 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg
+ chidx = -1;
+ }
+ }
+- strcpy(lp->msn, cfg->eaz);
++ strlcpy(lp->msn, cfg->eaz, sizeof(lp->msn));
+ lp->pre_device = drvidx;
+ lp->pre_channel = chidx;
+ lp->onhtime = cfg->onhtime;
+@@ -2951,7 +2951,7 @@ isdn_net_addphone(isdn_net_ioctl_phone *
+ if (p) {
+ if (!(n = kmalloc(sizeof(isdn_net_phone), GFP_KERNEL)))
+ return -ENOMEM;
+- strcpy(n->num, phone->phone);
++ strlcpy(n->num, phone->phone, sizeof(n->num));
+ n->next = p->local->phone[phone->outgoing & 1];
+ p->local->phone[phone->outgoing & 1] = n;
+ return 0;