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 X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59741C4338F for ; Sat, 14 Aug 2021 13:50:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 362C560F48 for ; Sat, 14 Aug 2021 13:50:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235352AbhHNNuq (ORCPT ); Sat, 14 Aug 2021 09:50:46 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:50040 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229974AbhHNNuo (ORCPT ); Sat, 14 Aug 2021 09:50:44 -0400 Received: by mail-io1-f72.google.com with SMTP id k6-20020a6b3c060000b0290568c2302268so6766645iob.16 for ; Sat, 14 Aug 2021 06:50:16 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=QLpRevr8DKNPNbY1ljtut3aO5PfgahsmforNchxlxpQ=; b=XyuP+M2ZyUUglh9ADLEm7QaZPN8jNzk4NPHh3rFkD3qMsOqWWgGeVZZfkvROgC1miJ yh49KFYU4Ir1qLmC6KMVCWciQ0wBGEbcq9qgKsrOo6xadCrvHj0jSSZs/M45jcAbvN0y p35I6KMzBCOqPZztiBpdC1pd1PNDVTO9pcSRO3UiRk5a+ABZ1tRSC4h2UKxKG3840Pwj tbqf0lWQmUrSr1evE/rf3YJcXvnxwq/+sg0qc164cfHAaSeV9ig2kryrhlokL3CioY7i nDP0C9zfE8zTMD9PPLiQdryxInaK2Rg3D5Ts8T7+C3KSEgjS5vgNSJXklPJS9uMiYRji TuQA== X-Gm-Message-State: AOAM532uSGVLcNlaJIu5pPqa1sX8Q09NK5pU5zMhSiUQTjrQc4cT7AZl IxLHmwxnwmWP5l7v0gDy2EzirDihXaNGU4RbPKvPaTYBPk8A X-Google-Smtp-Source: ABdhPJwPy0yzJOKqej7fSxZKNIV1JyLQPbobhfd0dv6YG3H2b1H6gUZhHcVizwdunzJtASgVayu3ht43n9xAOo66jow2YFDT4wtu MIME-Version: 1.0 X-Received: by 2002:a05:6602:341:: with SMTP id w1mr5694531iou.40.1628949016117; Sat, 14 Aug 2021 06:50:16 -0700 (PDT) Date: Sat, 14 Aug 2021 06:50:16 -0700 In-Reply-To: <20210814095036.2972-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000076891f05c9853f1e@google.com> Subject: Re: [syzbot] KASAN: use-after-free Write in alloc_ucounts From: syzbot To: ebiederm@xmission.com, hdanton@sina.com, legion@kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+59dd63761094a80ad06d@syzkaller.appspotmail.com Tested on: commit: 4010a528 Merge tag 'fixes_for_v5.14-rc4' of git://git... git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git kernel config: https://syzkaller.appspot.com/x/.config?x=1dee114394f7d2c2 dashboard link: https://syzkaller.appspot.com/bug?extid=59dd63761094a80ad06d compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 patch: https://syzkaller.appspot.com/x/patch.diff?x=16a86b4e300000 Note: testing is done by a robot and is best-effort only.