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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 175CEC4363D for ; Tue, 22 Sep 2020 04:20:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD5D623A34 for ; Tue, 22 Sep 2020 04:20:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728009AbgIVEUI (ORCPT ); Tue, 22 Sep 2020 00:20:08 -0400 Received: from mail-il1-f208.google.com ([209.85.166.208]:38956 "EHLO mail-il1-f208.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726790AbgIVEUI (ORCPT ); Tue, 22 Sep 2020 00:20:08 -0400 Received: by mail-il1-f208.google.com with SMTP id r10so12040929ilq.6 for ; Mon, 21 Sep 2020 21:20:07 -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=0rHm8bXbukk50V2tgkQM0HsC/iM/PUt9OO0NuPfACHA=; b=ZTV1XLNrEyYxxLQsM4qjyPG3J0kG/TL9BYffIluQYf0hUmo35x7h0t+R40JZ5c6pcW MCVWquDBJJiZhjZHKRtRW6eVhyPD9fB8tliOqdHvJRBZGLhkakH4qKSuTa5RYjIC34MJ vRfla4RJo+NjeW274q/K073TMramzhOl4jzdVIHmjKhc01ctzKEV2ec9bv1mcdUC8WDG tIpPd7mhsLSNC6LFzkXHXCpK7NBifuS2XS58avVVthh5tDUNWaGHyDKlzS8wC0GT+dNb CnTnM7mbXSXK5Zf+azj7EaPYKPz5GgMQHLaDQubqmXjhNRgtrrguw6qkT0S1s2zw/6f3 7xPQ== X-Gm-Message-State: AOAM532WuknzXh/v7bukqbsys/66m9K4F+Wj80eER3n/bk+k63FK+V9R CnBTbudQT+kDwxTxOLAdBONgl60CHJuY4dQI4HVHFFREaBSS X-Google-Smtp-Source: ABdhPJy53+Vstd8n28VPXTz7cOxvgyh0jXV9alO5jFC2ZI34K8SZzeOB6BRWrJQPKXyc1OsRfUJmrB7ijvnuooyvcrjNcJ7mVpx4 MIME-Version: 1.0 X-Received: by 2002:a92:6e0f:: with SMTP id j15mr2749896ilc.299.1600748407016; Mon, 21 Sep 2020 21:20:07 -0700 (PDT) Date: Mon, 21 Sep 2020 21:20:07 -0700 In-Reply-To: <00000000000082559e05afc6b97a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002cd54805afdf483f@google.com> Subject: Re: UBSAN: array-index-out-of-bounds in arch_uprobe_analyze_insn From: syzbot To: akpm@linux-foundation.org, bp@alien8.de, coreteam@netfilter.org, davem@davemloft.net, gustavoars@kernel.org, hpa@zytor.com, john.stultz@linaro.org, kaber@trash.net, kadlec@blackhole.kfki.hu, keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@redhat.com, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, torvalds@linux-foundation.org, wang.yi59@zte.com.cn, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 4b2bd5fec007a4fd3fc82474b9199af25013de4c Author: John Stultz Date: Sat Oct 8 00:02:33 2016 +0000 proc: fix timerslack_ns CAP_SYS_NICE check when adjusting self bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1697348d900000 start commit: 325d0eab Merge branch 'akpm' (patches from Andrew) git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1597348d900000 console output: https://syzkaller.appspot.com/x/log.txt?x=1197348d900000 kernel config: https://syzkaller.appspot.com/x/.config?x=b12e84189082991c dashboard link: https://syzkaller.appspot.com/bug?extid=9b64b619f10f19d19a7c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1573a8ad900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=164ee6c5900000 Reported-by: syzbot+9b64b619f10f19d19a7c@syzkaller.appspotmail.com Fixes: 4b2bd5fec007 ("proc: fix timerslack_ns CAP_SYS_NICE check when adjusting self") For information about bisection process see: https://goo.gl/tpsmEJ#bisection