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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F917C433EF for ; Mon, 6 Dec 2021 08:14:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239018AbhLFISC (ORCPT ); Mon, 6 Dec 2021 03:18:02 -0500 Received: from smtp-out1.suse.de ([195.135.220.28]:42442 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239006AbhLFISB (ORCPT ); Mon, 6 Dec 2021 03:18:01 -0500 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-out1.suse.de (Postfix) with ESMTPS id 44FCA2191E; Mon, 6 Dec 2021 08:14:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1638778472; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=lASzPZyf0vP581LqVx8OHHRYH2fisiSUp6Nw5EbwMyY=; b=IYHmx3JfONk4ERn6UKXOpEdX7Kqx72BZN90v1LdRWDas1WVzXyKNwoaQlFKE0YDLR5YUEM QkAjrmS16afTJp2Lvg1/H1b53zJxKevq6+ief+IGg4K/JTQeABAYxJrk+3mG93zHiGaHrD 20r0KmCnYxHMMrFsdYwO+02hZRygJzk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1638778472; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=lASzPZyf0vP581LqVx8OHHRYH2fisiSUp6Nw5EbwMyY=; b=GJSMYMwfOO5/9Arp3tcqmqEZfTRZKINDOzDJM+wCrJL2bdQdFL2cswO4exR4tZgu6DVHDN fdC9GwzMkqsAW4Cg== 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 28C8513AC7; Mon, 6 Dec 2021 08:14:32 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 4OuKCWjGrWFXCAAAMHmgww (envelope-from ); Mon, 06 Dec 2021 08:14:32 +0000 Date: Mon, 6 Dec 2021 10:14:31 +0200 From: "Ivan T. Ivanov" To: "Jason A. Donenfeld" Cc: Dominik Brodowski , Theodore Ts'o , Ard Biesheuvel , linux-efi@vger.kernel.org, LKML , hsinyi@chromium.org Subject: Re: [PATCH v4] random: fix crash on multiple early calls to add_bootloader_randomness() Message-ID: <20211206081431.e3cl2rbvgpvbouff@suse> References: <20211012082708.121931-1-iivanov@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org On 12-03 16:39, Jason A. Donenfeld wrote: > Date: Fri, 3 Dec 2021 16:39:55 +0100 > From: "Jason A. Donenfeld" > To: Dominik Brodowski > Cc: Theodore Ts'o , "Ivan T. Ivanov" , Ard > Biesheuvel , linux-efi@vger.kernel.org, LKML > , hsinyi@chromium.org > Subject: Re: [PATCH v4] random: fix crash on multiple early calls to > add_bootloader_randomness() > Message-ID: Tags: all linux me ring watch Hi, > > Hi Dominik, > > Thanks for your analysis. Some more questions: > > Also, if you have a nice way of reproducing this, please do tell - I'd > like to give it a spin if possible. > Initial bug report could be found here [1]. Comments 14 and onward are probably helpful. To reproduce the issue I have downloaded "assets" from [2] and recreated test environment as found in autoinst-log.txt [3]. Search for qemu-img and qemu-system-aarch64 in the log above. Login credentials for the images could be found by searching for "password" in the same file. Regards, Ivan [1] https://bugzilla.suse.com/show_bug.cgi?id=1184924 [2] https://openqa.opensuse.org/tests/latest?arch=aarch64&distri=opensuse&flavor=DVD&machine=aarch64&test=extra_tests_in_textmode&version=15.3 [3] https://openqa.opensuse.org/tests/2052459/logfile?filename=autoinst-log.txt