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=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 AB015C33CAF for ; Sun, 19 Jan 2020 04:41:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 89047206D7 for ; Sun, 19 Jan 2020 04:41:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726778AbgASElC (ORCPT ); Sat, 18 Jan 2020 23:41:02 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:35078 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726345AbgASElC (ORCPT ); Sat, 18 Jan 2020 23:41:02 -0500 Received: by mail-il1-f200.google.com with SMTP id h18so22416608ilc.2 for ; Sat, 18 Jan 2020 20:41:01 -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=EHfWBR0huIHFcTJaoFUtGUR7IDOZ8MVrcyGekqx8mAE=; b=KzzworalQ2fsCUf6g0VWw1zI1uARAhSKwLYU3i4+h0AX0lamulMfPet5nRY+moGBeW j+eE9Prb9gjd+74XKRK7/Bh3/URVnAkuMt+xWjeo4FilmcMy4D+S1Z6b+OcNlFXeWJRd huwPSFZ+3tHP6yV+DTa1VcmeKMmT3CLkyJg7V9NNAYPE6pGMr5M7fOuvRMkalX/0nZfm D4seVe0sP/DVSxhIjli6qJE7bvXvrr/a15RSkS/LCZ23rAJR/jhNVw7XEgZsmNIU5AKt VbiYHGBXnepo4XNFUJa1wON06vrl7tZy7YFmk6poED2luXF+iDYGvbNSYOx0Vpc7S2Pm Ro7w== X-Gm-Message-State: APjAAAVXI4eLrBktNFbLYfflswDkXz+XFNZIlTD3pTAHpLk9fGNWiwCe VwWUMKntw3x0ppRn80nJ5Vyw25a5pcEomBkHyxxPpoEJxUHJ X-Google-Smtp-Source: APXvYqxTvS9QIRjVWv+5NS7HReJdEStlb/ujZ5/QAI12PGUg0ITxDVVyZ+dB04yYCxhUmlbpujJjRydgNvYEngV+/fm8FPnQG0fR MIME-Version: 1.0 X-Received: by 2002:a92:b712:: with SMTP id k18mr5669699ili.259.1579408861675; Sat, 18 Jan 2020 20:41:01 -0800 (PST) Date: Sat, 18 Jan 2020 20:41:01 -0800 In-Reply-To: <000000000000717523059c6cabc9@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000027c814059c76c818@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in bitmap_ip_gc From: syzbot To: allison@lohutok.net, arvid.brodin@alten.se, coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, info@metux.net, jeremy@azazel.net, kadlec@netfilter.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" 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 b9a1e627405d68d475a3c1f35e685ccfb5bbe668 Author: Cong Wang Date: Thu Jul 4 00:21:13 2019 +0000 hsr: implement dellink to clean up resources bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13ddfa85e00000 start commit: 25e73aad Merge tag 'io_uring-5.5-2020-01-16' of git://git... git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=103dfa85e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=17ddfa85e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=cfbb8fa33f49f9f3 dashboard link: https://syzkaller.appspot.com/bug?extid=df0d0f5895ef1f41a65b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=124774c9e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15aa48d6e00000 Reported-by: syzbot+df0d0f5895ef1f41a65b@syzkaller.appspotmail.com Fixes: b9a1e627405d ("hsr: implement dellink to clean up resources") For information about bisection process see: https://goo.gl/tpsmEJ#bisection