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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 9B14AC2D0C6 for ; Sat, 28 Dec 2019 13:12:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77310207E0 for ; Sat, 28 Dec 2019 13:12:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726369AbfL1NLE (ORCPT ); Sat, 28 Dec 2019 08:11:04 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:56561 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726075AbfL1NLE (ORCPT ); Sat, 28 Dec 2019 08:11:04 -0500 Received: by mail-io1-f71.google.com with SMTP id d13so10419016ioo.23 for ; Sat, 28 Dec 2019 05:11:02 -0800 (PST) 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=8/MjX1lwUwtL5T8VvrucT08m+Eu8aAT/rAF6iBvp3So=; b=uCF0Wg6LfZKSC8RkdDmpL3JQP1Hwqa7UPY08YCAPi4BBvbsETWK+m1IQHAB8yZRosI cuhCP6usIiTkhjiWiADRXxy16fCTGglaJMMVBzTDeasNRiAat0tTIiX700q+ePJpxIag JdJ8p3axT/xsAvqrLUeWdguNZNTCGwZfnGfgU1OVrg+feKS0JhHYfUKiN7wxgkTWFVj2 NprphKOyZQszeFj20fwEbyxqEnamPHGA+bo1QQwn1FsWkiDfcy0TOyH209xDKGiMO8jx rg7dYlKUVpK26DT3fe7KSGoLndk5t+kYlymSmfUUF8aNe2gQ/qnstCfKE26qY/ofNcpP 6Oqg== X-Gm-Message-State: APjAAAUC0Ni9pIhjxD+xrS2+dioSUqd1pnaifyK3VFmJ0SmPmqsfjS04 HnfTe1q2xQmOwAfx3RSoj3p6ckij7yCP6X+YzyGrOF/zlcIt X-Google-Smtp-Source: APXvYqwpQmWyQ/qizdsQTsnFqN2fa3qKScrqkdeqj86w0HwUYbNMuL7um6mm8GUN+KnoVCKNQo9OCwzGNT899Y4BoZSj9y3CjtBh MIME-Version: 1.0 X-Received: by 2002:a6b:7e02:: with SMTP id i2mr37722747iom.172.1577538662128; Sat, 28 Dec 2019 05:11:02 -0800 (PST) Date: Sat, 28 Dec 2019 05:11:02 -0800 In-Reply-To: <000000000000b63799059aba5164@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009360cb059ac3575d@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in hsr_debugfs_rename From: syzbot To: ap420073@gmail.com, arvid.brodin@alten.se, davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit 4c2d5e33dcd3a6333a7895be3b542ff3d373177c Author: Taehee Yoo Date: Sun Dec 22 11:26:39 2019 +0000 hsr: rename debugfs file when interface name is changed bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1391cfb6e00000 start commit: 3c2f450e Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: bpf final crash: https://syzkaller.appspot.com/x/report.txt?x=1051cfb6e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1791cfb6e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=7f6119e2e3675a73 dashboard link: https://syzkaller.appspot.com/bug?extid=9328206518f08318a5fd syz repro: https://syzkaller.appspot.com/x/repro.syz?x=106d4751e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1775a49ee00000 Reported-by: syzbot+9328206518f08318a5fd@syzkaller.appspotmail.com Fixes: 4c2d5e33dcd3 ("hsr: rename debugfs file when interface name is changed") For information about bisection process see: https://goo.gl/tpsmEJ#bisection