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 90F40C433FE for ; Fri, 22 Apr 2022 19:03:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230420AbiDVTGY (ORCPT ); Fri, 22 Apr 2022 15:06:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230419AbiDVTGQ (ORCPT ); Fri, 22 Apr 2022 15:06:16 -0400 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 143E013A4F8 for ; Fri, 22 Apr 2022 11:55:18 -0700 (PDT) Received: by mail-io1-f69.google.com with SMTP id u18-20020a5d8712000000b0064c7a7c497aso5908803iom.18 for ; Fri, 22 Apr 2022 11:55:18 -0700 (PDT) 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=SW7d9SQV8ry87PsdVWpwkJKv15ZwuogCuWjTqDpXCOs=; b=oQiobKXeQoWtSJfnhdK+k3l7BjzIztKRLmDBiQKLrbxOeBq8SlM0q07eQldnAZhZ7D K6cBWJ8Y1KVBKrCGePeegBF4YqYoTwOlu1qdF2PEZAVfOEv5U8fd2/5GO8I/AUBFzI8Y hbqngKMarJ38pbCEd5Fnr4dYNR3MnIcznKWCz3BlCeWK0RGy1RA6CgxD0/BQOzDnpZvT Ai4qkp5AB9CXxIOzqIyLC2hdvJvIDAagGhpaLGDR8pTtZgrG9lZH/ATu6aRQL18WaJJc 278ZHMv8kY8L4bOUN2IkzdAwhuK6dDB+gUckygUzogIWMRdTI7gTFSHqvFa4j/GAukd1 j+fg== X-Gm-Message-State: AOAM532F5sfUj7fIy4LUA/2ERQjcAR4q+4oR0Bgrva7ZMwley+Xcz169 IFD+NyiKiejyoZbQ+9o5nWpsTkdmc7TmAow4VYahZycAZuiR X-Google-Smtp-Source: ABdhPJzpcaxVT7ae5c/OrtdmL1gderEJn20oa971shuXRjgHIybvnhbBnELrASUvsLmPnZE7qyOWwVK2wIG0wS0Lt5aGrJzx2a80 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a62:b0:2cc:5634:763e with SMTP id w2-20020a056e021a6200b002cc5634763emr2550900ilv.68.1650653590752; Fri, 22 Apr 2022 11:53:10 -0700 (PDT) Date: Fri, 22 Apr 2022 11:53:10 -0700 In-Reply-To: <00000000000033acbf05d1a969aa@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ec946105dd42bcd6@google.com> Subject: Re: [syzbot] WARNING: kmalloc bug in bpf From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, jiri@nvidia.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, leonro@nvidia.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, 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 0708a0afe291bdfe1386d74d5ec1f0c27e8b9168 Author: Daniel Borkmann Date: Fri Mar 4 14:26:32 2022 +0000 mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1499c6fcf00000 start commit: 1d5a47424040 sfc: The RX page_ring is optional git tree: net kernel config: https://syzkaller.appspot.com/x/.config?x=1a86c22260afac2f dashboard link: https://syzkaller.appspot.com/bug?extid=cecf5b7071a0dfb76530 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=176738e7b00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13b4508db00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls For information about bisection process see: https://goo.gl/tpsmEJ#bisection