Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp24735291rwd; Sun, 2 Jul 2023 03:58:45 -0700 (PDT) X-Google-Smtp-Source: APBJJlEnhAB24+eNIcf325Z9VdtavCLKVn2btHqAkDAyeIr/yILDpmb18JyvNby1OiQwYasfSPPC X-Received: by 2002:a05:6a00:189d:b0:668:7292:b2bc with SMTP id x29-20020a056a00189d00b006687292b2bcmr12200665pfh.10.1688295525375; Sun, 02 Jul 2023 03:58:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1688295525; cv=none; d=google.com; s=arc-20160816; b=t9enzcVRu5u2NlZngXvG1e8c6M+nLf/8vpVTtmm3SYC3iD8u2BV2uSM+iE+LCnJGUT VMsi0NM+wT+MXF8x79MFBvlQVvzMzzHZGZCE1ayCLuvMrX3lfNYhmxLDlYwCMVaWJ7tj b7owyrq7oc/38YjzF0paGMsDvO+6hXSaWd7Yf3yg8CcbTsx874HCR0Mq/aqiwJNDRWVP VVIeZxh7/wpaKaCmf8TwJBTmJe1PfNOArLwfXdGtb+Qgib2LVZ0phg+Bcwo8F4ZkPVBv K1Hi1gBsYYCp8/wWxbAMj4ziWFn8YCGKEqf11arwLRuHsig/z3vn8bylkU5EpTtAp+CG RWyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=E9smpYpBptfvlxKVXvZi1jge4SLDCPt1Q/KG665KvCY=; fh=w2Wgv/QB3XMdLK3+SVi5OS+Tez01k9x8Ufwn2ws4MIs=; b=xXK8+tQSI3HJf60VtIQ13a45NPorV2oT9e6Mp4WgysyIUF5p1nYao3NFIqmTvnPTMk J8jWNL598qSZj0hZQ9ttW9AkTuDXgYEIrYNaOu3SmqyI7SGWTpsKT8cKdbZ7/kVYzlfD qM07GoxOtH8dof1ZK+TPxSudyTrQyvjHcfgFIiHodYylvj9wvsdIR4rpZa4gBAcYa5d0 D9q8LSKDl0Q87JI30J7NVN7Os4xa4jsEkopYOub8X20k8B8XzH6C776iEuESnhWiyraM cQNviaw+6GiDLTEr147oF/dmYRJJHFPkVFyn3h/WPTxKUSSL8ChojFF4qbZqLEhzrrKW VXRw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=iu6s4Dtx; 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=kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id b17-20020a056a000cd100b00682909b9671si192830pfv.75.2023.07.02.03.58.29; Sun, 02 Jul 2023 03:58:45 -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=@kernel.org header.s=k20201202 header.b=iu6s4Dtx; 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=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229808AbjGBK3W (ORCPT + 99 others); Sun, 2 Jul 2023 06:29:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229533AbjGBK3V (ORCPT ); Sun, 2 Jul 2023 06:29:21 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5257F1B0; Sun, 2 Jul 2023 03:29:20 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id AF2A160BEB; Sun, 2 Jul 2023 10:29:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7ECE2C433C8; Sun, 2 Jul 2023 10:29:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1688293759; bh=FwL43aRkt+bUazVx2ORIAyQiYbCyKiMCIfwG2xP9eJw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iu6s4Dtx4B2m4NNXRAWD5PKdPPJ0Hofmknk+UD9urfpm1fo5C1ZoCezyd/M4RpxYx dHnqKw/cqfqSGkTFzRZ5wPC6tR9zWyoqmwqZkcCc5cylGQUvXTqVsnisyk8TRknNdD kmhoubXE//UvjdUWuWNeoEO+kFxrDQ0ROIXuXEHPFHSvcd+jnyfif+wsGM8wePrysk Lh1Es2NFVsx5pfRTbpYjdNvGM00TUlOaFnGyPeVGMxfIjEBsT5a0ZtLitnnvucXgC3 TMnlm4l6opAIBsysUSFWRPL3Mym2G1YlRsGdaGgpm+DgvB6rzuNgsp8Y29VtTy1BOH vXG0nnjjsy2vg== Date: Sun, 2 Jul 2023 12:29:14 +0200 From: Christian Brauner To: syzbot Cc: amir73il@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [overlayfs?] KASAN: invalid-free in init_file Message-ID: <20230702-neuer-anrief-61b5b722de0f@brauner> References: <000000000000b7a0c305ff6da727@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <000000000000b7a0c305ff6da727@google.com> X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,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 On Sat, Jul 01, 2023 at 07:21:53AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 1ef6663a587b Merge tag 'tag-chrome-platform-for-v6.5' of g.. > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=120fd3a8a80000 > kernel config: https://syzkaller.appspot.com/x/.config?x=33c8c2baba1cfc7e > dashboard link: https://syzkaller.appspot.com/bug?extid=ada42aab05cf51b00e98 > compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=130a5670a80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11aac680a80000 #syz test https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.fixes