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[2620:137:e000::1:20]) by mx.google.com with ESMTP id jw17-20020a17090776b100b00988b2dfc3b3si2063640ejc.517.2023.07.21.02.43.33; Fri, 21 Jul 2023 02:44:01 -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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230442AbjGUJak (ORCPT + 99 others); Fri, 21 Jul 2023 05:30:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48646 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229557AbjGUJai (ORCPT ); Fri, 21 Jul 2023 05:30:38 -0400 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C86442D7E for ; Fri, 21 Jul 2023 02:30:37 -0700 (PDT) Received: by mail-oi1-f200.google.com with SMTP id 5614622812f47-3a4511fed86so4117683b6e.2 for ; Fri, 21 Jul 2023 02:30:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689931837; x=1690536637; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=fYejIZlDiZxhZWChNwFaBtexUzMMfkDxTXb2Y1FEkHg=; b=aeUmJmsbUivKTZYMp8brMhN8RKjB0mBJl2fnRPmIWFV8cvE8i0AE585eVLynkpCveD y1OxFVeTmq6CtRl6taQVw7zo06SjyD4wUqTQhjvQjDBBY8RYiAgTi4RuDmG7lhEvXHOb m1o15bcZjERE3r3S5VFIFDe+b27Z0ExZGsjKVJ50Ah+89jFrBfoPhMpa5l7PgCKWumpW Re1o8HFrq4ekDPjeKNdwl+DnvpquKJ1GznnnxAi1KwFbTvmKdmTm/PL+3e9RIRpFC93N 62NTsQGNrzDl7SuczxE8CVm0lKwyi/oSqCPRAtaVHGrvKVtfKDdBS7QkbqtY7Eyd2AzE OXKA== X-Gm-Message-State: ABy/qLZKwWhNassxRk5whU7HhkZtDbt0NqfcnsA/bo3Kl7lVSUBh/coe ophdjPpZL4keQ3iwYuKWc5IEh/VfL53AWohAGoXfSh6bbI4A MIME-Version: 1.0 X-Received: by 2002:a05:6808:1b0b:b0:3a0:3d3c:1f03 with SMTP id bx11-20020a0568081b0b00b003a03d3c1f03mr3750837oib.11.1689931837171; Fri, 21 Jul 2023 02:30:37 -0700 (PDT) Date: Fri, 21 Jul 2023 02:30:37 -0700 In-Reply-To: <000000000000c11ed40600e994b1@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d96eec0600fbea8f@google.com> Subject: Re: [syzbot] [ext4?] general protection fault in ep_poll_callback From: syzbot To: adilger.kernel@dilger.ca, brauner@kernel.org, bvanassche@acm.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, URIBL_BLOCKED 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 syzbot has bisected this issue to: commit a0b0fd53e1e67639b303b15939b9c653dbe7a8c4 Author: Bart Van Assche Date: Thu Feb 14 23:00:46 2019 +0000 locking/lockdep: Free lock classes that are no longer in use bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16c0c84ea80000 start commit: bfa3037d8280 Merge tag 'fuse-update-6.5' of git://git.kern.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=15c0c84ea80000 console output: https://syzkaller.appspot.com/x/log.txt?x=11c0c84ea80000 kernel config: https://syzkaller.appspot.com/x/.config?x=27e33fd2346a54b dashboard link: https://syzkaller.appspot.com/bug?extid=c2b68bdf76e442836443 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111c904ea80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=116b0faaa80000 Reported-by: syzbot+c2b68bdf76e442836443@syzkaller.appspotmail.com Fixes: a0b0fd53e1e6 ("locking/lockdep: Free lock classes that are no longer in use") For information about bisection process see: https://goo.gl/tpsmEJ#bisection