From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1D5765381 for ; Wed, 28 Sep 2022 21:40:49 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 19CC21F45F; Wed, 28 Sep 2022 21:40:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1664401248; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=C18vkSCkEp0R0j/E8doyhXlqBRc6MmmoczHaFz5Tq/o=; b=O8ZKN2zJZST2anqWW6kCZ7PFlJtkR+DhFF/E1xFtpBjfMisY/NEE2VUHIT0ctG6+BRKpcm TFzItcWnIOwSwp96McUWnDjo0baCWUX3p/6aNYk16N1G1gVpmFAU0HxXjLM93Ltz5am9pC 6mcBPOCE9PClr4mk2WyQ3I6f95q7OjY= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1664401248; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=C18vkSCkEp0R0j/E8doyhXlqBRc6MmmoczHaFz5Tq/o=; b=QuVwGzEY77p785Z+8T99wXOp96mLv9PVymdpRO3H5bysX/SgsIeBkJWmKXpwJqWMN6hRxn P80vd3XHeULykLAg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id DA18F13A84; Wed, 28 Sep 2022 21:40:46 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id pwxsNF6/NGNaHwAAMHmgww (envelope-from ); Wed, 28 Sep 2022 21:40:46 +0000 Message-ID: Date: Wed, 28 Sep 2022 23:39:06 +0200 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: [PATCH v2 01/16] slab: Remove __malloc attribute from realloc functions Content-Language: en-US To: Kees Cook , Geert Uytterhoeven Cc: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Marco Elver , linux-mm@kvack.org, "Ruhl, Michael J" , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Greg Kroah-Hartman , Nick Desaulniers , Alex Elder , Josef Bacik , David Sterba , Sumit Semwal , =?UTF-8?Q?Christian_K=c3=b6nig?= , Jesse Brandeburg , Daniel Micay , Yonghong Song , Miguel Ojeda , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-fsdevel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, dev@openvswitch.org, x86@kernel.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org References: <20220923202822.2667581-1-keescook@chromium.org> <20220923202822.2667581-2-keescook@chromium.org> <202209281011.66DD717D@keescook> From: Vlastimil Babka In-Reply-To: <202209281011.66DD717D@keescook> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 9/28/22 19:13, Kees Cook wrote: > On Wed, Sep 28, 2022 at 09:26:15AM +0200, Geert Uytterhoeven wrote: >> Hi Kees, >> >> On Fri, Sep 23, 2022 at 10:35 PM Kees Cook wrote: >>> The __malloc attribute should not be applied to "realloc" functions, as >>> the returned pointer may alias the storage of the prior pointer. Instead >>> of splitting __malloc from __alloc_size, which would be a huge amount of >>> churn, just create __realloc_size for the few cases where it is needed. >>> >>> Additionally removes the conditional test for __alloc_size__, which is >>> always defined now. >>> >>> Cc: Christoph Lameter >>> Cc: Pekka Enberg >>> Cc: David Rientjes >>> Cc: Joonsoo Kim >>> Cc: Andrew Morton >>> Cc: Vlastimil Babka >>> Cc: Roman Gushchin >>> Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> >>> Cc: Marco Elver >>> Cc: linux-mm@kvack.org >>> Signed-off-by: Kees Cook >> >> Thanks for your patch, which is now commit 63caa04ec60583b1 ("slab: >> Remove __malloc attribute from realloc functions") in next-20220927. >> >> Noreply@ellerman.id.au reported all gcc8-based builds to fail >> (e.g. [1], more at [2]): >> >> In file included from : >> ./include/linux/percpu.h: In function ‘__alloc_reserved_percpu’: >> ././include/linux/compiler_types.h:279:30: error: expected >> declaration specifiers before ‘__alloc_size__’ >> #define __alloc_size(x, ...) __alloc_size__(x, ## __VA_ARGS__) __malloc >> ^~~~~~~~~~~~~~ >> ./include/linux/percpu.h:120:74: note: in expansion of macro ‘__alloc_size’ >> [...] >> >> It's building fine with e.g. gcc-9 (which is my usual m68k cross-compiler). >> Reverting this commit on next-20220927 fixes the issue. >> >> [1] http://kisskb.ellerman.id.au/kisskb/buildresult/14803908/ >> [2] http://kisskb.ellerman.id.au/kisskb/head/1bd8b75fe6adeaa89d02968bdd811ffe708cf839/ > > Eek! Thanks for letting me know. I'm confused about this -- > __alloc_size__ wasn't optional in compiler_attributes.h -- but obviously > I broke something! I'll go figure this out. Even in latest next I can see at the end of include/linux/compiler-gcc.h /* * Prior to 9.1, -Wno-alloc-size-larger-than (and therefore the "alloc_size" * attribute) do not work, and must be disabled. */ #if GCC_VERSION < 90100 #undef __alloc_size__ #endif > -Kees > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9F1F5C6FA92 for ; Wed, 28 Sep 2022 21:40:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C1FF510E99D; Wed, 28 Sep 2022 21:40:55 +0000 (UTC) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1BB6210E99D for ; Wed, 28 Sep 2022 21:40:51 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 19CC21F45F; Wed, 28 Sep 2022 21:40:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1664401248; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=C18vkSCkEp0R0j/E8doyhXlqBRc6MmmoczHaFz5Tq/o=; b=O8ZKN2zJZST2anqWW6kCZ7PFlJtkR+DhFF/E1xFtpBjfMisY/NEE2VUHIT0ctG6+BRKpcm TFzItcWnIOwSwp96McUWnDjo0baCWUX3p/6aNYk16N1G1gVpmFAU0HxXjLM93Ltz5am9pC 6mcBPOCE9PClr4mk2WyQ3I6f95q7OjY= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1664401248; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=C18vkSCkEp0R0j/E8doyhXlqBRc6MmmoczHaFz5Tq/o=; b=QuVwGzEY77p785Z+8T99wXOp96mLv9PVymdpRO3H5bysX/SgsIeBkJWmKXpwJqWMN6hRxn P80vd3XHeULykLAg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id DA18F13A84; Wed, 28 Sep 2022 21:40:46 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id pwxsNF6/NGNaHwAAMHmgww (envelope-from ); Wed, 28 Sep 2022 21:40:46 +0000 Message-ID: Date: Wed, 28 Sep 2022 23:39:06 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: [PATCH v2 01/16] slab: Remove __malloc attribute from realloc functions Content-Language: en-US To: Kees Cook , Geert Uytterhoeven References: <20220923202822.2667581-1-keescook@chromium.org> <20220923202822.2667581-2-keescook@chromium.org> <202209281011.66DD717D@keescook> From: Vlastimil Babka In-Reply-To: <202209281011.66DD717D@keescook> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Roman Gushchin , dri-devel@lists.freedesktop.org, "Ruhl, Michael J" , Eric Dumazet , linux-hardening@vger.kernel.org, Hyeonggon Yoo <42.hyeyoo@gmail.com>, Christoph Lameter , Sumit Semwal , dev@openvswitch.org, x86@kernel.org, Jesse Brandeburg , intel-wired-lan@lists.osuosl.org, David Rientjes , Miguel Ojeda , Jakub Kicinski , Paolo Abeni , linux-media@vger.kernel.org, Marco Elver , llvm@lists.linux.dev, Josef Bacik , linaro-mm-sig@lists.linaro.org, Yonghong Song , David Sterba , Joonsoo Kim , Alex Elder , linux-mm@kvack.org, Greg Kroah-Hartman , Nick Desaulniers , linux-kernel@vger.kernel.org, =?UTF-8?Q?Christian_K=c3=b6nig?= , Pekka Enberg , Daniel Micay , netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, Andrew Morton , "David S. Miller" , linux-btrfs@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 9/28/22 19:13, Kees Cook wrote: > On Wed, Sep 28, 2022 at 09:26:15AM +0200, Geert Uytterhoeven wrote: >> Hi Kees, >> >> On Fri, Sep 23, 2022 at 10:35 PM Kees Cook wrote: >>> The __malloc attribute should not be applied to "realloc" functions, as >>> the returned pointer may alias the storage of the prior pointer. Instead >>> of splitting __malloc from __alloc_size, which would be a huge amount of >>> churn, just create __realloc_size for the few cases where it is needed. >>> >>> Additionally removes the conditional test for __alloc_size__, which is >>> always defined now. >>> >>> Cc: Christoph Lameter >>> Cc: Pekka Enberg >>> Cc: David Rientjes >>> Cc: Joonsoo Kim >>> Cc: Andrew Morton >>> Cc: Vlastimil Babka >>> Cc: Roman Gushchin >>> Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> >>> Cc: Marco Elver >>> Cc: linux-mm@kvack.org >>> Signed-off-by: Kees Cook >> >> Thanks for your patch, which is now commit 63caa04ec60583b1 ("slab: >> Remove __malloc attribute from realloc functions") in next-20220927. >> >> Noreply@ellerman.id.au reported all gcc8-based builds to fail >> (e.g. [1], more at [2]): >> >> In file included from : >> ./include/linux/percpu.h: In function ‘__alloc_reserved_percpu’: >> ././include/linux/compiler_types.h:279:30: error: expected >> declaration specifiers before ‘__alloc_size__’ >> #define __alloc_size(x, ...) __alloc_size__(x, ## __VA_ARGS__) __malloc >> ^~~~~~~~~~~~~~ >> ./include/linux/percpu.h:120:74: note: in expansion of macro ‘__alloc_size’ >> [...] >> >> It's building fine with e.g. gcc-9 (which is my usual m68k cross-compiler). >> Reverting this commit on next-20220927 fixes the issue. >> >> [1] http://kisskb.ellerman.id.au/kisskb/buildresult/14803908/ >> [2] http://kisskb.ellerman.id.au/kisskb/head/1bd8b75fe6adeaa89d02968bdd811ffe708cf839/ > > Eek! Thanks for letting me know. I'm confused about this -- > __alloc_size__ wasn't optional in compiler_attributes.h -- but obviously > I broke something! I'll go figure this out. Even in latest next I can see at the end of include/linux/compiler-gcc.h /* * Prior to 9.1, -Wno-alloc-size-larger-than (and therefore the "alloc_size" * attribute) do not work, and must be disabled. */ #if GCC_VERSION < 90100 #undef __alloc_size__ #endif > -Kees > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 846B6C6FA90 for ; Wed, 28 Sep 2022 21:40:57 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 2166A60EAA; Wed, 28 Sep 2022 21:40:57 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 2166A60EAA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1664401257; 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dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256 header.s=susede2_rsa header.b=O8ZKN2zJ; dkim=pass header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=QuVwGzEY Subject: Re: [Intel-wired-lan] [PATCH v2 01/16] slab: Remove __malloc attribute from realloc functions X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Roman Gushchin , dri-devel@lists.freedesktop.org, "Ruhl, Michael J" , Eric Dumazet , linux-hardening@vger.kernel.org, Hyeonggon Yoo <42.hyeyoo@gmail.com>, Christoph Lameter , Sumit Semwal , dev@openvswitch.org, x86@kernel.org, intel-wired-lan@lists.osuosl.org, David Rientjes , Miguel Ojeda , Jakub Kicinski , Paolo Abeni , linux-media@vger.kernel.org, Marco Elver , llvm@lists.linux.dev, Josef Bacik , linaro-mm-sig@lists.linaro.org, Yonghong Song , David Sterba , Joonsoo Kim , Alex Elder , linux-mm@kvack.org, Greg Kroah-Hartman , Nick Desaulniers , linux-kernel@vger.kernel.org, =?UTF-8?Q?Christian_K=c3=b6nig?= , Pekka Enberg , Daniel Micay , netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, Andrew Morton , "David S. Miller" , linux-btrfs@vger.kernel.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" T24gOS8yOC8yMiAxOToxMywgS2VlcyBDb29rIHdyb3RlOgo+IE9uIFdlZCwgU2VwIDI4LCAyMDIy IGF0IDA5OjI2OjE1QU0gKzAyMDAsIEdlZXJ0IFV5dHRlcmhvZXZlbiB3cm90ZToKPj4gSGkgS2Vl cywKPj4KPj4gT24gRnJpLCBTZXAgMjMsIDIwMjIgYXQgMTA6MzUgUE0gS2VlcyBDb29rIDxrZWVz Y29va0BjaHJvbWl1bS5vcmc+IHdyb3RlOgo+Pj4gVGhlIF9fbWFsbG9jIGF0dHJpYnV0ZSBzaG91 bGQgbm90IGJlIGFwcGxpZWQgdG8gInJlYWxsb2MiIGZ1bmN0aW9ucywgYXMKPj4+IHRoZSByZXR1 cm5lZCBwb2ludGVyIG1heSBhbGlhcyB0aGUgc3RvcmFnZSBvZiB0aGUgcHJpb3IgcG9pbnRlci4g SW5zdGVhZAo+Pj4gb2Ygc3BsaXR0aW5nIF9fbWFsbG9jIGZyb20gX19hbGxvY19zaXplLCB3aGlj aCB3b3VsZCBiZSBhIGh1Z2UgYW1vdW50IG9mCj4+PiBjaHVybiwganVzdCBjcmVhdGUgX19yZWFs bG9jX3NpemUgZm9yIHRoZSBmZXcgY2FzZXMgd2hlcmUgaXQgaXMgbmVlZGVkLgo+Pj4KPj4+IEFk ZGl0aW9uYWxseSByZW1vdmVzIHRoZSBjb25kaXRpb25hbCB0ZXN0IGZvciBfX2FsbG9jX3NpemVf Xywgd2hpY2ggaXMKPj4+IGFsd2F5cyBkZWZpbmVkIG5vdy4KPj4+Cj4+PiBDYzogQ2hyaXN0b3Bo IExhbWV0ZXIgPGNsQGxpbnV4LmNvbT4KPj4+IENjOiBQZWtrYSBFbmJlcmcgPHBlbmJlcmdAa2Vy bmVsLm9yZz4KPj4+IENjOiBEYXZpZCBSaWVudGplcyA8cmllbnRqZXNAZ29vZ2xlLmNvbT4KPj4+ IENjOiBKb29uc29vIEtpbSA8aWFtam9vbnNvby5raW1AbGdlLmNvbT4KPj4+IENjOiBBbmRyZXcg TW9ydG9uIDxha3BtQGxpbnV4LWZvdW5kYXRpb24ub3JnPgo+Pj4gQ2M6IFZsYXN0aW1pbCBCYWJr YSA8dmJhYmthQHN1c2UuY3o+Cj4+PiBDYzogUm9tYW4gR3VzaGNoaW4gPHJvbWFuLmd1c2hjaGlu QGxpbnV4LmRldj4KPj4+IENjOiBIeWVvbmdnb24gWW9vIDw0Mi5oeWV5b29AZ21haWwuY29tPgo+ Pj4gQ2M6IE1hcmNvIEVsdmVyIDxlbHZlckBnb29nbGUuY29tPgo+Pj4gQ2M6IGxpbnV4LW1tQGt2 YWNrLm9yZwo+Pj4gU2lnbmVkLW9mZi1ieTogS2VlcyBDb29rIDxrZWVzY29va0BjaHJvbWl1bS5v cmc+Cj4+Cj4+IFRoYW5rcyBmb3IgeW91ciBwYXRjaCwgd2hpY2ggaXMgbm93IGNvbW1pdCA2M2Nh YTA0ZWM2MDU4M2IxICgic2xhYjoKPj4gUmVtb3ZlIF9fbWFsbG9jIGF0dHJpYnV0ZSBmcm9tIHJl YWxsb2MgZnVuY3Rpb25zIikgaW4gbmV4dC0yMDIyMDkyNy4KPj4KPj4gTm9yZXBseUBlbGxlcm1h bi5pZC5hdSByZXBvcnRlZCBhbGwgZ2NjOC1iYXNlZCBidWlsZHMgdG8gZmFpbAo+PiAoZS5nLiBb MV0sIG1vcmUgYXQgWzJdKToKPj4KPj4gICAgICBJbiBmaWxlIGluY2x1ZGVkIGZyb20gPGNvbW1h bmQtbGluZT46Cj4+ICAgICAgLi9pbmNsdWRlL2xpbnV4L3BlcmNwdS5oOiBJbiBmdW5jdGlvbiDi gJhfX2FsbG9jX3Jlc2VydmVkX3BlcmNwdeKAmToKPj4gICAgICAuLy4vaW5jbHVkZS9saW51eC9j b21waWxlcl90eXBlcy5oOjI3OTozMDogZXJyb3I6IGV4cGVjdGVkCj4+IGRlY2xhcmF0aW9uIHNw ZWNpZmllcnMgYmVmb3JlIOKAmF9fYWxsb2Nfc2l6ZV9f4oCZCj4+ICAgICAgICNkZWZpbmUgX19h bGxvY19zaXplKHgsIC4uLikgX19hbGxvY19zaXplX18oeCwgIyMgX19WQV9BUkdTX18pIF9fbWFs bG9jCj4+ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgXn5+fn5+fn5+fn5+fn4K Pj4gICAgICAuL2luY2x1ZGUvbGludXgvcGVyY3B1Lmg6MTIwOjc0OiBub3RlOiBpbiBleHBhbnNp b24gb2YgbWFjcm8g4oCYX19hbGxvY19zaXpl4oCZCj4+ICAgICAgWy4uLl0KPj4KPj4gSXQncyBi dWlsZGluZyBmaW5lIHdpdGggZS5nLiBnY2MtOSAod2hpY2ggaXMgbXkgdXN1YWwgbTY4ayBjcm9z cy1jb21waWxlcikuCj4+IFJldmVydGluZyB0aGlzIGNvbW1pdCBvbiBuZXh0LTIwMjIwOTI3IGZp eGVzIHRoZSBpc3N1ZS4KPj4KPj4gWzFdIGh0dHA6Ly9raXNza2IuZWxsZXJtYW4uaWQuYXUva2lz c2tiL2J1aWxkcmVzdWx0LzE0ODAzOTA4Lwo+PiBbMl0gaHR0cDovL2tpc3NrYi5lbGxlcm1hbi5p ZC5hdS9raXNza2IvaGVhZC8xYmQ4Yjc1ZmU2YWRlYWE4OWQwMjk2OGJkZDgxMWZmZTcwOGNmODM5 Lwo+IAo+IEVlayEgVGhhbmtzIGZvciBsZXR0aW5nIG1lIGtub3cuIEknbSBjb25mdXNlZCBhYm91 dCB0aGlzIC0tCj4gX19hbGxvY19zaXplX18gd2Fzbid0IG9wdGlvbmFsIGluIGNvbXBpbGVyX2F0 dHJpYnV0ZXMuaCAtLSBidXQgb2J2aW91c2x5Cj4gSSBicm9rZSBzb21ldGhpbmchIEknbGwgZ28g ZmlndXJlIHRoaXMgb3V0LgoKRXZlbiBpbiBsYXRlc3QgbmV4dCBJIGNhbiBzZWUgYXQgdGhlIGVu ZCBvZiBpbmNsdWRlL2xpbnV4L2NvbXBpbGVyLWdjYy5oCgovKgogICogUHJpb3IgdG8gOS4xLCAt V25vLWFsbG9jLXNpemUtbGFyZ2VyLXRoYW4gKGFuZCB0aGVyZWZvcmUgdGhlICJhbGxvY19zaXpl IgogICogYXR0cmlidXRlKSBkbyBub3Qgd29yaywgYW5kIG11c3QgYmUgZGlzYWJsZWQuCiAgKi8K I2lmIEdDQ19WRVJTSU9OIDwgOTAxMDAKI3VuZGVmIF9fYWxsb2Nfc2l6ZV9fCiNlbmRpZgoKCgo+ IC1LZWVzCj4gCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpJbnRlbC13aXJlZC1sYW4gbWFpbGluZyBsaXN0CkludGVsLXdpcmVkLWxhbkBvc3Vvc2wub3Jn Cmh0dHBzOi8vbGlzdHMub3N1b3NsLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLXdpcmVkLWxh bgo=