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 42AC3C433EF for ; Tue, 7 Jun 2022 10:58:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242249AbiFGK6o (ORCPT ); Tue, 7 Jun 2022 06:58:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242332AbiFGK6S (ORCPT ); Tue, 7 Jun 2022 06:58:18 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 22394BCE8A for ; Tue, 7 Jun 2022 03:54:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1654599239; h=from:from:reply-to:subject:subject: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=TNzwBB7ZZPSH1ON+WNEP8BayJieoALczPxALrkpLXG8=; b=OXCtOKRsAzM05QGeWptnyX+kHfYGvEP0nLZqeFNG65W4dO/cE6eYdD1JtVwGijTvtVFeS/ fygm3BX3JA9BPjVtIm8oUitmQiz0Ywbacp7flWJXaAieATmpnnLPss9pYxHhEY/dFij50X /QCcAqvrQ5pbcXcYDVH6758Gc2ULIb4= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-633-54SjLBMRNmmenxFQRy4wJQ-1; Tue, 07 Jun 2022 06:53:56 -0400 X-MC-Unique: 54SjLBMRNmmenxFQRy4wJQ-1 Received: by mail-wr1-f69.google.com with SMTP id d9-20020adfe849000000b00213375a746aso3265972wrn.18 for ; Tue, 07 Jun 2022 03:53:56 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=TNzwBB7ZZPSH1ON+WNEP8BayJieoALczPxALrkpLXG8=; b=eBgOp5EZW1VQP17r+jia+zBhwCPdHCxdXtFLQ9Ip1hzwtwCtxI25UVL0B8aH6WOhrs Qmkmj/r8+g4SUz8qS1pZfQxbXnlS8xR980OadLcamyLmxrd/J2qcR6VwCPE51g9rOpwY 4lPtGjk7A7r3WNUYA3Tj80d1StSjYFx44C80tXsRz3yZz8yP4Y0mV5M3zLw+WxeTecz8 1CESfsFV6p2GSx7u0RhWY0AMGbrgcmIPr3WtrcqjoRJwM+mn+n6jqpyUfdRTr9q/fYuu o8E2ba7CoxfAdRlMsfRxUsmq7g1dONUxOl88U1THCOOPYUDTGT4Le2kDVPNmsSfy2Ofb /7ww== X-Gm-Message-State: AOAM532odfRHXTKQubDg8TLgGleIacHW0wF17HtVTxCPdIvoQPlzaJQk WbV7e1ziuK3ztA2tikLZQVKEB+HgrcLlApm/MM+IeGWrxqLhGoeauDwCU7Ns+o51klBt9D9jS8z iLiE1eLp3Z+qJCw9Dajs7qeQW X-Received: by 2002:a05:600c:3c91:b0:39b:6b:d5de with SMTP id bg17-20020a05600c3c9100b0039b006bd5demr45872568wmb.132.1654599235357; Tue, 07 Jun 2022 03:53:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyzK5yzKOuJeouwPfQtcbHMdqzqb6HbES3Z0zDNMHRBbEzDy7YqCTRKXRqBSIdxKatWDeYG4A== X-Received: by 2002:a05:600c:3c91:b0:39b:6b:d5de with SMTP id bg17-20020a05600c3c9100b0039b006bd5demr45872550wmb.132.1654599235142; Tue, 07 Jun 2022 03:53:55 -0700 (PDT) Received: from redhat.com ([2.55.169.1]) by smtp.gmail.com with ESMTPSA id l10-20020a5d410a000000b0020fc6590a12sm17187136wrp.41.2022.06.07.03.53.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jun 2022 03:53:54 -0700 (PDT) Date: Tue, 7 Jun 2022 06:53:51 -0400 From: "Michael S. Tsirkin" To: Jason Wang Cc: syzbot , Herbert Xu , linux-crypto@vger.kernel.org, linux-kernel , linux@dominikbrodowski.net, mpm@selenic.com, syzkaller-bugs@googlegroups.com, Xuan Zhuo , yuehaibing@huawei.com Subject: Re: [syzbot] INFO: task hung in add_early_randomness (2) Message-ID: <20220607063908-mutt-send-email-mst@kernel.org> References: <000000000000fc128605e08585c6@google.com> <00000000000068486805e0d68f94@google.com> 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-crypto@vger.kernel.org On Tue, Jun 07, 2022 at 05:05:41PM +0800, Jason Wang wrote: > On Tue, Jun 7, 2022 at 3:30 PM syzbot > wrote: > > > > syzbot has bisected this issue to: > > > > commit 8b4ec69d7e098a7ddf832e1e7840de53ed474c77 > > Author: Jason Wang > > Date: Fri May 27 06:01:19 2022 +0000 > > > > virtio: harden vring IRQ > > > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1175c3c7f00000 > > start commit: f2906aa86338 Linux 5.19-rc1 > > git tree: upstream > > final oops: https://syzkaller.appspot.com/x/report.txt?x=1375c3c7f00000 > > console output: https://syzkaller.appspot.com/x/log.txt?x=1575c3c7f00000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=cbd131cc02ee620e > > dashboard link: https://syzkaller.appspot.com/bug?extid=5b59d6d459306a556f54 > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=104f4d4ff00000 > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d6782df00000 > > > > Reported-by: syzbot+5b59d6d459306a556f54@syzkaller.appspotmail.com > > Fixes: 8b4ec69d7e09 ("virtio: harden vring IRQ") > > > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection > > > > I wonder if it's related to shared IRQ. > > Want to know if the attached patch works. > > Thanks Please, post patches inline. In this case I don't see the printk in the console.