Database slightly out of sync.
regards,
dan carpenter
On Wed, Apr 08, 2015 at 07:44:41PM +0800, kbuild test robot wrote:
> TO: Masaki Ota <masaki....@jp.alps.com>
> CC: Dmitry Torokhov <dmitry.torok...@gmail.com>
>
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> master
> head: a897436e0e233e84b664bb7f33c4e0d4d3e3bdad
> commit: 3db5b9f782b50a309fe0fb89fb890f6b4f66d9ae [9220/10050] Input: ALPS -
> add support for SS4 touchpad devices
> :::::: branch date: 43 minutes ago
> :::::: commit date: 20 hours ago
>
> drivers/input/mouse/alps.c:961 alps_get_mt_count() error: buffer overflow
> 'mt' 2 <= 3
> drivers/input/mouse/alps.c:961 alps_get_mt_count() error: buffer overflow
> 'mt' 2 <= 3
>
> git remote add next
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> git remote update next
> git checkout 3db5b9f782b50a309fe0fb89fb890f6b4f66d9ae
> vim +/mt +961 drivers/input/mouse/alps.c
>
> 3808843c Yunkang Tang 2014-07-26 945 case V7_PACKET_ID_NEW:
> 3808843c Yunkang Tang 2014-07-26 946 mt[1].x &= ~0x003F;
> 3808843c Yunkang Tang 2014-07-26 947 mt[1].x |= (pkt[0] &
> 0x20);
> 3808843c Yunkang Tang 2014-07-26 948 mt[1].y |= 0x000F;
> 3808843c Yunkang Tang 2014-07-26 949 break;
> 3808843c Yunkang Tang 2014-07-26 950 }
> 3808843c Yunkang Tang 2014-07-26 951
> 3808843c Yunkang Tang 2014-07-26 952 mt[0].y = 0x7FF - mt[0].y;
> 3808843c Yunkang Tang 2014-07-26 953 mt[1].y = 0x7FF - mt[1].y;
> 3808843c Yunkang Tang 2014-07-26 954 }
> 3808843c Yunkang Tang 2014-07-26 955
> 3808843c Yunkang Tang 2014-07-26 956 static int alps_get_mt_count(struct
> input_mt_pos *mt)
> 3808843c Yunkang Tang 2014-07-26 957 {
> 7091c443 Hans de Goede 2014-12-18 958 int i, fingers = 0;
> 3808843c Yunkang Tang 2014-07-26 959
> 7091c443 Hans de Goede 2014-12-18 960 for (i = 0; i < MAX_TOUCHES;
> i++) {
> 7091c443 Hans de Goede 2014-12-18 @961 if (mt[i].x != 0 ||
> mt[i].y != 0)
> 7091c443 Hans de Goede 2014-12-18 962 fingers++;
> 7091c443 Hans de Goede 2014-12-18 963 }
> 3808843c Yunkang Tang 2014-07-26 964
> 7091c443 Hans de Goede 2014-12-18 965 return fingers;
> 3808843c Yunkang Tang 2014-07-26 966 }
> 3808843c Yunkang Tang 2014-07-26 967
> 3808843c Yunkang Tang 2014-07-26 968 static int
> alps_decode_packet_v7(struct alps_fields *f,
> 3808843c Yunkang Tang 2014-07-26 969
> unsigned char *p,
>
> :::::: The code at line 961 was first introduced by commit
> :::::: 7091c443dda8c6c6d8e70e33452252f9ad3e7814 Input: alps - v7: sometimes a
> single touch is reported in mt[1]
>
> :::::: TO: Hans de Goede <hdego...@redhat.com>
> :::::: CC: Dmitry Torokhov <dmitry.torok...@gmail.com>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> http://lists.01.org/mailman/listinfo/kbuild Intel Corporation
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