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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0EC07C433F5 for ; Thu, 20 Jan 2022 14:17:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345586AbiATORU (ORCPT ); Thu, 20 Jan 2022 09:17:20 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:41905 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229657AbiATORN (ORCPT ); Thu, 20 Jan 2022 09:17:13 -0500 Received: by mail-io1-f71.google.com with SMTP id e19-20020a6bf113000000b006090f93a288so4014880iog.8 for ; Thu, 20 Jan 2022 06:17:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=5zUthvSwK0sqk11Dn7VG8wBClAg34bmNSNa9m/oeNxU=; b=xToSsflOA4dq8QGhgr3W5MEVna043T/fROh7in5jolMa1XfXnVWDWfGKbY632yZoIK BRHwYBm7NzqYaOnMbkKHPE9O5G71+5tbzZvvi/GVH5rS3z8+lZqAQz1ouFivftvoELLH 4URmZBBMAmFW/4RORG7BoZDvoJ6snpdZ180hTTEYPNV3ynzRb8sRtYXrfyKqFG6VyPA7 Rp9X1XzBmsPnjGXsgTkgYLpL1cAcJ23t7XIj2yFmxpbKIkspNR5b7Yajws70dcRv5V+b +0FKubiQ9oYsVzi+nIlTcnF2xdrcnyFLQy7LtexJ89KUZr4CiT+GhxRPKCkazkisqdXK rYoA== X-Gm-Message-State: AOAM532830AIBupW8nJI21e3FRoYyCHXMZfxhXK053FhPnSQhahgbxf7 p0utbh7KIZ5iw6xHq1LRAh0RF1ARt/awan6GvlQMq0aPhhqt X-Google-Smtp-Source: ABdhPJxLhJKGSJhhtuBSTLp+T6IQLDGp9xYUNTxc0c5dFIq3tLXSHuDkiL8uVtJqcGcnBkgFRhIy7ytGHDQRXl/OI55E4rZe9mVH MIME-Version: 1.0 X-Received: by 2002:a05:6638:770:: with SMTP id y16mr16875982jad.242.1642688233317; Thu, 20 Jan 2022 06:17:13 -0800 (PST) Date: Thu, 20 Jan 2022 06:17:13 -0800 In-Reply-To: <000000000000367c2205d2549cb9@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009fa8ee05d60428f1@google.com> Subject: Re: [syzbot] KASAN: vmalloc-out-of-bounds Read in __bpf_prog_put From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, fgheet255t@gmail.com, hawk@kernel.org, jakub@cloudflare.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, lmb@cloudflare.com, netdev@vger.kernel.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 218d747a4142f281a256687bb513a135c905867b Author: John Fastabend Date: Tue Jan 4 21:46:45 2022 +0000 bpf, sockmap: Fix double bpf_prog_put on error case in map_link bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12919c37b00000 start commit: 662f11d55ffd docs: networking: dpaa2: Fix DPNI header git tree: net kernel config: https://syzkaller.appspot.com/x/.config?x=fa556098924b78f0 dashboard link: https://syzkaller.appspot.com/bug?extid=5027de09e0964fd78ce1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14fccadbb00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1598d9ebb00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: bpf, sockmap: Fix double bpf_prog_put on error case in map_link For information about bisection process see: https://goo.gl/tpsmEJ#bisection