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Date: Tue, 06 May 2014 02:43:44 +0200 From: "Rafael J. Wysocki" <rjw@...ysocki.net> To: Josh Boyer <jwboyer@...oraproject.org> Cc: "Zheng, Lv" <lv.zheng@...el.com>, Lv Zheng <zetalog@...il.com>, "Wysocki, Rafael J" <rafael.j.wysocki@...el.com>, "Brown, Len" <len.brown@...el.com>, "Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>, "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>, "Moore, Robert" <robert.moore@...el.com> Subject: Re: [PATCH 20/27] ACPICA: Tables: Fix invalid pointer accesses in acpi_tb_parse_root_table(). On Monday, May 05, 2014 08:42:46 AM Josh Boyer wrote: > On Mon, May 5, 2014 at 12:23 AM, Zheng, Lv <lv.zheng@...el.com> wrote: > > Hi, Rafael > > > >> From: linux-acpi-owner@...r.kernel.org [mailto:linux-acpi-owner@...r.kernel.org] On Behalf Of Rafael J. Wysocki > >> Sent: Monday, May 05, 2014 8:43 AM > >> > >> On Saturday, May 03, 2014 08:59:14 AM Josh Boyer wrote: > >> > On Tue, Apr 29, 2014 at 10:05 PM, Lv Zheng <lv.zheng@...el.com> wrote: > >> > > The commit of back porting Linux XSDT validation mechanism has introduced > >> > > a regreession: > >> > > Commit: 671cc68dc61f029d44b43a681356078e02d8dab8 > >> > > Subject: ACPICA: Back port and refine validation of the XSDT root table. > >> > > There is a pointer still accessed after unmapping. > >> > > > >> > > This patch fixes this issue. Lv Zheng. > >> > > > >> > > Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=73911 > >> > > Buglink: https://bugs.archlinux.org/task/39811 > >> > > Signed-off-by: Lv Zheng <lv.zheng@...el.com> > >> > > Reported-and-tested-by: Bruce Chiarelli <mano155@...il.com> > >> > > Reported-and-tested-by: Spyros Stathopoulos <spystath@...il.com> > >> > > Signed-off-by: Bob Moore <robert.moore@...el.com> > >> > > Cc: <stable@...r.kernel.org> # 3.14.x: 671cc68: ACPICA: Back port and refine validation of the XSDT root table. > >> > > >> > This patch should get into 3.15-rcX soon. It fixes a known regression > >> > that prevents booting on machines with AMI firmware, and that is > >> > present in 3.14 so we need it for stable as well. Rafael? > >> > >> Lv, is it safe to take this patch alone into 3.15-rc? > > > > Yes, it's safe to only take this patch to be a regression fix. > > FWIW, Fedora is carrying this on top of 3.14.2 already, and people > with the impacted machines say it's working for them. So I agree it > should be safe. > > Thanks to the both of you. OK, queued up for 3.15, thanks! -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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