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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-06-26 01:45:10 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-06-26 01:45:10 -0400 |
| commit | 08ffce4560e0133e10634b0dd85eecee11257a1c (patch) | |
| tree | eff2a0266e0897e72e48db949fb28f367812222e /drivers/input/mouse/vsxxxaa.c | |
| parent | 4854c7b27f0975a2b629f35ea3996d2968eb7c4f (diff) | |
| download | op-kernel-dev-08ffce4560e0133e10634b0dd85eecee11257a1c.zip op-kernel-dev-08ffce4560e0133e10634b0dd85eecee11257a1c.tar.gz | |
Input: fix potential overflows in driver/input/mouse
Change all sprintfs into snprintfs to make sure we won't stomp on
data adjacent to our buffers.
Noticed by Wouter Paesen <wouter@kangaroot.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/mouse/vsxxxaa.c')
| -rw-r--r-- | drivers/input/mouse/vsxxxaa.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/input/mouse/vsxxxaa.c b/drivers/input/mouse/vsxxxaa.c index 36e9442..7b85bc2 100644 --- a/drivers/input/mouse/vsxxxaa.c +++ b/drivers/input/mouse/vsxxxaa.c @@ -153,22 +153,25 @@ vsxxxaa_detection_done (struct vsxxxaa *mouse) { switch (mouse->type) { case 0x02: - sprintf (mouse->name, "DEC VSXXX-AA/-GA mouse"); + strlcpy (mouse->name, "DEC VSXXX-AA/-GA mouse", + sizeof (mouse->name)); break; case 0x04: - sprintf (mouse->name, "DEC VSXXX-AB digitizer"); + strlcpy (mouse->name, "DEC VSXXX-AB digitizer", + sizeof (mouse->name)); break; default: - sprintf (mouse->name, "unknown DEC pointer device " - "(type = 0x%02x)", mouse->type); + snprintf (mouse->name, sizeof (mouse->name), + "unknown DEC pointer device (type = 0x%02x)", + mouse->type); break; } - printk (KERN_INFO "Found %s version 0x%02x from country 0x%02x " - "on port %s\n", mouse->name, mouse->version, - mouse->country, mouse->phys); + printk (KERN_INFO + "Found %s version 0x%02x from country 0x%02x on port %s\n", + mouse->name, mouse->version, mouse->country, mouse->phys); } /* @@ -503,8 +506,9 @@ vsxxxaa_connect (struct serio *serio, struct serio_driver *drv) mouse->dev = input_dev; mouse->serio = serio; - sprintf (mouse->name, "DEC VSXXX-AA/-GA mouse or VSXXX-AB digitizer"); - sprintf (mouse->phys, "%s/input0", serio->phys); + strlcat (mouse->name, "DEC VSXXX-AA/-GA mouse or VSXXX-AB digitizer", + sizeof (mouse->name)); + snprintf (mouse->phys, sizeof (mouse->phys), "%s/input0", serio->phys); input_dev->name = mouse->name; input_dev->phys = mouse->phys; |
