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 59C08CCA47C for ; Tue, 7 Jun 2022 09:06:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238908AbiFGJGG (ORCPT ); Tue, 7 Jun 2022 05:06:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40688 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238705AbiFGJF6 (ORCPT ); Tue, 7 Jun 2022 05:05:58 -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 1DB37D4A26 for ; Tue, 7 Jun 2022 02:05:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1654592757; 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=HhinCZb2A9zT1SaIBzoENIRctzxd17wZ4GhZVdK/SiM=; b=hU3HyANtOltgop5skaolvog+/GxJ/SqmNQV+QpADsIfHLpMpktb9/45VBf+yTSaDUhWB0N fQWmrrJ21wMyuk0rNgH7jEBEleI8PYN0uEZdH1tlY86Uye7Id73no1CKWU2PNw/jr6SvoZ 4N6qW/+5c0XkoF7CpMUAbJMHmaOx7J0= Received: from mail-lf1-f71.google.com (mail-lf1-f71.google.com [209.85.167.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-209-7MyUizEvNMiBeVAnALlY6Q-1; Tue, 07 Jun 2022 05:05:56 -0400 X-MC-Unique: 7MyUizEvNMiBeVAnALlY6Q-1 Received: by mail-lf1-f71.google.com with SMTP id p36-20020a05651213a400b004779d806c13so8503061lfa.10 for ; Tue, 07 Jun 2022 02:05:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=HhinCZb2A9zT1SaIBzoENIRctzxd17wZ4GhZVdK/SiM=; b=bUJ/LSE9jTAYFe2roJj/rOveWoovFDzUeqm1qEJLQEB+89T0xfi3HFKxlfh93O5vMw FsBhyjNb5s4auNG1Vb5R6YOMPdDEZoky84BqSLGpe1msk0sVN+7tlIkJXSHkX+CpcycL wyWApMgSAZEzCqQ8o7i9O2WIScoBnBuGcTuM22/YkjrqI9R5PpxkpmpVtomhBV/lq8+R aT/qE5pdrYKQMB81/rnHmc9TKw3kzteebM2Loh0418VAg5UmpYa8Mxwgo9SiCw4o6Kmj 2G2Up6IKz1YmoM1HOwl4daAAvxKKZnbfNIJDj1ezIIjzkJU97FWXvtiqyv/aL1IZiov4 RTbg== X-Gm-Message-State: AOAM533nlk0aSfcshi7zLRd8lCLxNAUcsOq347RQawmKVNdiwkwW1aH3 FJfD6cSed8Ew1USFbtjVXxolkcvhDg0We0Lhsf4pNlYRCBeNV/fIo8F36rt7ZPhjLO1E/PYymuW LDj+HC2CV8PI0fpbSFYzQD1V1fo3VBww4w2DiuS/j X-Received: by 2002:ac2:4e0f:0:b0:479:54a6:f9bb with SMTP id e15-20020ac24e0f000000b0047954a6f9bbmr4062060lfr.257.1654592753232; Tue, 07 Jun 2022 02:05:53 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyIDIoF2LjR2OH4SEODLzhZJg0EllYDRK8WAKxmcexYZWRF7HIyxPgpDkGpn53Kll+hiDhH2iHOfgcC1b+DWMs= X-Received: by 2002:ac2:4e0f:0:b0:479:54a6:f9bb with SMTP id e15-20020ac24e0f000000b0047954a6f9bbmr4062047lfr.257.1654592753037; Tue, 07 Jun 2022 02:05:53 -0700 (PDT) MIME-Version: 1.0 References: <000000000000fc128605e08585c6@google.com> <00000000000068486805e0d68f94@google.com> In-Reply-To: <00000000000068486805e0d68f94@google.com> From: Jason Wang Date: Tue, 7 Jun 2022 17:05:41 +0800 Message-ID: Subject: Re: [syzbot] INFO: task hung in add_early_randomness (2) To: syzbot Cc: Herbert Xu , linux-crypto@vger.kernel.org, linux-kernel , linux@dominikbrodowski.net, mpm@selenic.com, mst , syzkaller-bugs@googlegroups.com, Xuan Zhuo , yuehaibing@huawei.com Content-Type: multipart/mixed; boundary="0000000000004b57ae05e0d7e507" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --0000000000004b57ae05e0d7e507 Content-Type: text/plain; charset="UTF-8" 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. 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