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Wed, 9 Feb 2022 07:41:38 +0000 (GMT) Date: Wed, 9 Feb 2022 13:11:37 +0530 From: Ritesh Harjani To: syzbot Cc: jack@suse.com, jack@suse.cz, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu Subject: Re: [syzbot] KASAN: use-after-free Read in jbd2_journal_wait_updates Message-ID: <20220209074137.linx5qyi43hkclss@riteshh-domain> References: <20220209064338.vjhlaaav5dqb2hah@riteshh-domain> <000000000000f3f46005d7905312@google.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000f3f46005d7905312@google.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: EpAttfx4EXEZWiRKQRwp1t405Vz8ndiD X-Proofpoint-GUID: EpAttfx4EXEZWiRKQRwp1t405Vz8ndiD X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-09_04,2022-02-07_02,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 impostorscore=0 mlxlogscore=421 clxscore=1015 adultscore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202090051 X-Spam-Status: No, score=0.6 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SORTED_RECIPS,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no 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 22/02/08 10:56PM, syzbot wrote: > Hello, > > syzbot has tested the proposed patch but the reproducer is still triggering an issue: > KASAN: use-after-free Read in jbd2_journal_wait_updates > #syz test: https://github.com/riteshharjani/linux.git jbd2-kill-t-handle-lock-t2