From: Alexander Strakh <strakh@ispras.ru>
To: Thomas Winischhofer <thomas@winischhofer.net>,
"Greg Kroah-Hartman" <gregkh@suse.de>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: BUG null dereference in driver ./drivers/usb/misc/sisusbvga/sisusb.c
Date: Mon, 21 Dec 2009 20:03:10 +0000 [thread overview]
Message-ID: <200912212003.10697.strakh@ispras.ru> (raw)
KERNEL_VERSION: 2.6.32
SUBJECT: null derefernce in function sisusb_probe
SUBSCRIBE:
In driver drivers/usb/misc/sisusbvga/sisusb.c in function
sisusb_probe:
1. if in line 3085 after calling function kzalloc variable sisub =
NULL, then we goto line 3086.
2. In line 3086: null dereference of sisusb - "&sisusb->sisusb_dev->dev".
3084 /* Allocate memory for our private */
3085 if (!(sisusb = kzalloc(sizeof(*sisusb), GFP_KERNEL))) {
3086 dev_err(&sisusb->sisusb_dev->dev, "Failed to allocate
memory for private data\n");
3087 return -ENOMEM;
3088 }
3089 kref_init(&sisusb->kref);
Found by Linux Device Drivers Verification Project (Svace Detector)
next reply other threads:[~2009-12-21 15:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-21 20:03 Alexander Strakh [this message]
2009-12-21 16:20 ` BUG null dereference in driver ./drivers/usb/misc/sisusbvga/sisusb.c Greg KH
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