| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Wed, 8 Jun 2016 12:46:42 +0300 From: Grygorii Strashko <grygorii.strashko@...com> To: Linus Walleij <linus.walleij@...aro.org>, Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>, Roger Quadros <rogerq@...com> CC: Alexandre Courbot <gnurou@...il.com>, "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 1/2] gpiolib: Fix NULL pointer deference On 06/08/2016 11:39 AM, Linus Walleij wrote: > On Fri, Jun 3, 2016 at 7:10 PM, Ricardo Ribalda Delgado > <ricardo.ribalda@...il.com> wrote: > >> Under some circumstances, a gpiochip might be half cleaned from the >> gpio_device list. >> >> This patch makes sure that the chip pointer is still valid, before >> calling the match function. >> >> [ 104.088296] BUG: unable to handle kernel NULL pointer dereference at >> 0000000000000090 >> [ 104.089772] IP: [<ffffffff813d2045>] of_gpiochip_find_and_xlate+0x15/0x80 >> [ 104.128273] Call Trace: >> [ 104.129802] [<ffffffff813d2030>] ? of_parse_own_gpio+0x1f0/0x1f0 >> [ 104.131353] [<ffffffff813cd910>] gpiochip_find+0x60/0x90 >> [ 104.132868] [<ffffffff813d21ba>] of_get_named_gpiod_flags+0x9a/0x120 >> ... >> [ 104.141586] [<ffffffff8163d12b>] gpio_led_probe+0x11b/0x360 >> >> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com> > > Oh there is the fix that Roger and Grygorii needs. > > Applied to fixes and tagged for stable. > > Sorry for screwing things up :( > Np. :) -- regards, -grygorii
Powered by blists - more mailing lists