Received: by 2002:a05:6358:701b:b0:131:369:b2a3 with SMTP id 27csp3654518rwo; Mon, 24 Jul 2023 14:39:03 -0700 (PDT) X-Google-Smtp-Source: APBJJlHf9V+iORMjEKKU+VLA+tMT14jXQJ4d5hgaJoHFaECEtnprGZR9WMwFppCV8P/WNz6W2oNS X-Received: by 2002:a17:906:cc46:b0:98e:370c:be69 with SMTP id mm6-20020a170906cc4600b0098e370cbe69mr442453ejb.6.1690234742976; Mon, 24 Jul 2023 14:39:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690234742; cv=none; d=google.com; s=arc-20160816; b=VCh/OPe2srmK7NfUuGctA5MWxJfImYrKEvYhaHArJGHU1KiPtLKiHAkge4i469eqlH 4fjs0BU/nAw01QpoXnrB31g3cfd30jF1IqzcNVhMfHViwfKTGFVGjRVP5IxIs9melAFt FrkJfcnD1JXW579uaHvUMV4wSP30lb6WA7i+qHCcMnWvCOqQv/trCqPlZTZfutgC9i/6 Vxrk02aBzum7g1Re24V60s2dw+fpCSGao0nmq4/FHjT1GNuaMAJ3zTPYfnwGq1JQUOMQ m56bE+D5Ns/9vg4TIGRW7KO6n4zph/53xaMqf8CHlcfAsOu6yjqdvcVng+pHWMFkWbr7 rkSw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:content-id:mime-version:subject :cc:to:references:in-reply-to:from:organization:dkim-signature; bh=O8sFspJ6yj+eCxeZqAHjPla/aQR+z7WDcRwKjnIXzQ4=; fh=WN5pIezeXuiKWRJ7Y6twZ2jLRTBc+jzSF2ENhIcgyvc=; b=i0PaHvEr1ZZw7R12PTRG/CCFaRq83eEQkTAvymeL5TBejbWaTaHk05CCu+K55ssbnW rCSv6jU0YS2oAieqGNfB2GItrLENQ/md1YRT/fnHmfe3zqUOzRKS9jByns422obkIcD9 8a8VH5u4gdiC6aI2OSafZCeqVwlVB0gjg552IR/OjESm6qsKBgpDUJwIBHz6YLB+FR1Y XWiTBQT3yyppuduf+MFz1DT0dCXy8pjovr+p4iH6tnm9yeQFpwQa+kUiXYBVxgHSO1Rr NVzjNqVl/6Gj+WnBkn2w0c3OC1reuBt1LXE41+LM2F1vWEvT4msvpA7lh/chH2yCcSdx MKXQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b="OviwhOf/"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id z6-20020a170906814600b0099307a5a755si6711757ejw.45.2023.07.24.14.38.38; Mon, 24 Jul 2023 14:39:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b="OviwhOf/"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230017AbjGXVNd (ORCPT + 99 others); Mon, 24 Jul 2023 17:13:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229598AbjGXVNc (ORCPT ); Mon, 24 Jul 2023 17:13:32 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6CF0139 for ; Mon, 24 Jul 2023 14:12:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1690233164; 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=O8sFspJ6yj+eCxeZqAHjPla/aQR+z7WDcRwKjnIXzQ4=; b=OviwhOf/093xyq4hG6z4lwaie2YUj8m3grzgQ3PCDnQvE5e3xiC0yyG3/I0TIyzTuuEntd 955bc3OfP2p11UNXsqVqMrWAHxXQUuWV5bGUtLmNLqQJbjtv+TaMu6XtoANxsHNBDdcCs9 X+YEJCjfRTlke39OLQgvG6znSd+LkyY= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-612-mDvfChxTP5yqX4wvw44WDQ-1; Mon, 24 Jul 2023 17:12:41 -0400 X-MC-Unique: mDvfChxTP5yqX4wvw44WDQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A1609800B35; Mon, 24 Jul 2023 21:12:40 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.205]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5548A201F11C; Mon, 24 Jul 2023 21:12:39 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <000000000000836b2805fffd6d7e@google.com> References: <000000000000836b2805fffd6d7e@google.com> To: syzbot Cc: dhowells@redhat.com, akpm@linux-foundation.org, axboe@kernel.dk, herbert@gondor.apana.org.au, kuba@kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [block?] KASAN: slab-out-of-bounds Read in bio_split_rw MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <19654.1690233158.1@warthog.procyon.org.uk> Date: Mon, 24 Jul 2023 22:12:38 +0100 Message-ID: <19655.1690233158@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org #syz dup: [syzbot] [ext4?] general protection fault in ext4_finish_bio