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| author | Karsten Keil <kkeil@suse.de> | 2007-11-22 12:43:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-12-14 10:31:56 -0800 |
| commit | b333201bbde5666dc8060dae5db96a542c84b79b (patch) | |
| tree | 03180e61a4ae30d01703c02dc2bfa2c7591db6bc | |
| parent | 2cd12110838bed881173c786e1d2037d247aa417 (diff) | |
| download | lwn-b333201bbde5666dc8060dae5db96a542c84b79b.tar.gz lwn-b333201bbde5666dc8060dae5db96a542c84b79b.zip | |
isdn: avoid copying overly-long strings
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>
| -rw-r--r-- | drivers/isdn/i4l/isdn_net.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c index aa83277aba74..75e1423799e5 100644 --- 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 idx, setup_parm *setup) 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 idx, setup_parm *setup) 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 * 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; |