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 64613C43462 for ; Thu, 1 Apr 2021 03:40:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4362661057 for ; Thu, 1 Apr 2021 03:40:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232885AbhDADjm (ORCPT ); Wed, 31 Mar 2021 23:39:42 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:35444 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232887AbhDADjG (ORCPT ); Wed, 31 Mar 2021 23:39:06 -0400 Received: by mail-io1-f69.google.com with SMTP id v24so2997982ion.2 for ; Wed, 31 Mar 2021 20:39:06 -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=y0jAq5S9GiYMY36r36rGvrhgs2PgZlLJSzcOUpx10aI=; b=OJuZ28xj+OoqifJaHn9CUvJoS4AdBOeIXD9z6bhkiFqa5Rib5m3sSElIvz7j2L+Cku NTmh05bIpII2/zEOQ3qHkOwr+kpi0huVsEBrzl/Jy3AziGk58xDQmCnuuTh8KX/xD+OX dIi4TmayuTzlfyxYQ4lfy7M+AaPzYubzAL/G8WdPVqTsbKQDRTqtiFbOwNQ4ASHr9poA I4PWyBkXohJQVzFGe9q7IH6zHARCpiXLvq1sPtB+izTnUhsddEU4+wYb3CF1Tj4hLagu CQsat1qSGQIq0VEzD02Sm/PnuLMm7w3lxQGttliKQHnvtxVHaXCNyYRIZBGF/bbleW+O ROHA== X-Gm-Message-State: AOAM533gaWpxp/8xy/htaupPCvOw4hrs2i3vXvkoE3jX5bA5U7rQjXF5 iRilVeGMEPA/1cOPwRIzozqvkOaa53MmFWQk/6EKYmIh3Hae X-Google-Smtp-Source: ABdhPJwzE7eMfw19r1VuuSvTtkhe67TPWs/rerGhe9Jm/clMO1VZfFxpEvlHGpoSYRqwFXicx9bTkonPXQ0pNzLMdY1wAwRSdeeF MIME-Version: 1.0 X-Received: by 2002:a05:6638:2603:: with SMTP id m3mr5782480jat.64.1617248345919; Wed, 31 Mar 2021 20:39:05 -0700 (PDT) Date: Wed, 31 Mar 2021 20:39:05 -0700 In-Reply-To: <00000000000046e0e905afcff205@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002c193805bee0f97c@google.com> Subject: Re: [syzbot] KASAN: vmalloc-out-of-bounds Read in bpf_trace_run2 From: syzbot To: andrii@kernel.org, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, coreteam@netfilter.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, john.fastabend@gmail.com, kaber@trash.net, kadlec@blackhole.kfki.hu, kafai@fb.com, kpsingh@chromium.org, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mathieu.desnoyers@efficios.com, mchehab@kernel.org, mchehab@s-opensource.com, mingo@kernel.org, mingo@redhat.com, mmullins@mmlx.us, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, peterz@infradead.org, rostedt@goodmis.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit befe6d946551d65cddbd32b9cb0170b0249fd5ed Author: Steven Rostedt (VMware) Date: Wed Nov 18 14:34:05 2020 +0000 tracepoint: Do not fail unregistering a probe due to memory failure bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=123358a1d00000 start commit: 70b97111 bpf: Use hlist_add_head_rcu when linking to local.. git tree: bpf-next kernel config: https://syzkaller.appspot.com/x/.config?x=7e0ca96a9b6ee858 dashboard link: https://syzkaller.appspot.com/bug?extid=845923d2172947529b58 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10193f3b900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=168c729b900000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: tracepoint: Do not fail unregistering a probe due to memory failure For information about bisection process see: https://goo.gl/tpsmEJ#bisection