From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20A2B47A76; Thu, 21 Mar 2024 06:46:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711003563; cv=none; b=hSTkpnh6t81KPoVxilywRUDtxgHNOBTFhMq49/WaHgIjwEljBohhMZ0jfC6YHbx08Sy4lIzL4GqS2Rk9jyLJCdF0Nh1v1gwfvpAiheJBxJHTQBaoMXRpiFFtFS7yfhDH2kxGvYv6n0CkkyTFRWQgrGJSIbhQ4xOSh4jptZ08SQQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711003563; c=relaxed/simple; bh=/+IBNxFeq6Z7Bevsh2/8GPJyYRvwyX4wy6UVREy7iho=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=doBtMXAXBzX7Wx89P6Up0WvjFJMo8r7eKPgWg4o3gSWHZzmic+99OVGfL3utExhaM7eLDzMI1El1F1pSbvulLEOCov1MwQqR33d6QLT9Jj9vI0GZrkS5B7JVQ9OUbi0ACxGCNuTXpmj5KoAhsSIfdooD8Vmob/eDgj3we4rXbqA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Labh+Q77; arc=none smtp.client-ip=209.85.128.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Labh+Q77" Received: by mail-wm1-f43.google.com with SMTP id 5b1f17b1804b1-414006a0115so5896215e9.3; Wed, 20 Mar 2024 23:46:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1711003560; x=1711608360; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=/+IBNxFeq6Z7Bevsh2/8GPJyYRvwyX4wy6UVREy7iho=; b=Labh+Q77tgrXA/jJJBEe75LJD9HGbgyKjwD0EoomSds+DKVwFcoZgHAnO/Z+o7RaAh lkz2lo5QvQF57160sE0SQhU5HU1aoHD/6/hmFXXBoyYZFvmg66HNhIoiy+6163FSzfg0 Y4n1/jsoXYGyMbYz9G3VX777xNml3bs2RHCFoIeUfSYIMpzEqS5a+t+SqM/n2ZxTi2w7 E3NP2v2EBUiQBJE21/2+AK67mLxbemWnwVtnYDoMVlXEmtvYiVc4AlU4z/jtAJVziqyF 1M0s8KewVFKTJSnBCEYWVEBItxGwkUb8Qf7JUm09R4EUCrw9awMP/Ey3uz5ET4IafT1k 1NWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711003560; x=1711608360; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/+IBNxFeq6Z7Bevsh2/8GPJyYRvwyX4wy6UVREy7iho=; b=KOlbjccOM1tIZIz+K/IlG/ekT0c+ASoUlWL48dIjqT5WwTeR7wYf0YHySL7TlnMpts 58H25CuhLkNcBsWmh7ykzJ2KtmylGHHRq1IVeo1eXjijjlgwGVgIWODkxBcFWMTxb0ij hxNiLk93GFroD1phgcb9Kn2oAmYJsRUXvPoP5cigeftapMU+xanH3vTDOFU28n405S3Q BKCJ8cT59xXvSLM3b9P1Ae3ZjCS0932eEkjxKxvR3o4+wprQoTIG1tZdlxoF3/pzCfY7 ZhJxQetq+v9h75hWaiqtqUvqdTHv+UZcWuZvQdwq3AhCa+Z/4nGWoDkTrzIV8eD2ksLW eWXQ== X-Forwarded-Encrypted: i=1; AJvYcCVA96mYxhXXPMglg4qsEvdq6vOwchEzXHw/yR/lA/74SDXIKkUpmRPGk+SWiJodTIKWPEV27tEQk+NEBDHJSaT09kRMT74uaFS05GfF0T9yyy/eavzLLmj8aN2W3Aj74dne X-Gm-Message-State: AOJu0YxzWqVGaveaDf6scA+Gy3sCeFBHFp8sjka/XqBAntLuyGbZLSiR hSAQd1Zoe28wcNjtgrzbOOwtHckzsFcTcAIcdbABOTpVnEkZk4Oz7SLV9c2gfbXJORlf1wboeK9 b8DB7FSbWbJN1jrRUaxvnlG5wvQA= X-Google-Smtp-Source: AGHT+IGBTB9xCm9iDwZeV47oFiYV1qd6ZcB0fYJuS9xvuJmXKCwGEXovAYH+hyHcL1UYMPN4YX9ghKgazFxqtNBVNJ0= X-Received: by 2002:a05:600c:1990:b0:414:e72:63b1 with SMTP id t16-20020a05600c199000b004140e7263b1mr848723wmq.3.1711003560179; Wed, 20 Mar 2024 23:46:00 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: In-Reply-To: From: Alexei Starovoitov Date: Wed, 20 Mar 2024 23:45:49 -0700 Message-ID: Subject: Re: [syzbot] [bpf?] KMSAN: uninit-value in __bpf_strtoull To: xingwei lee Cc: syzbot+8ac8b7b2292ea867a162@syzkaller.appspotmail.com, Andrii Nakryiko , Alexei Starovoitov , bpf , Daniel Borkmann , Eddy Z , Hao Luo , John Fastabend , Jiri Olsa , KP Singh , LKML , Martin KaFai Lau , Stanislav Fomichev , Song Liu , syzkaller-bugs , Yonghong Song , samsun1006219@gmail.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, Mar 20, 2024 at 11:41=E2=80=AFPM xingwei lee wrote: > > Hello, I reproduced this bug and comfired in the latest net tree. > > If you fix this issue, please add the following tag to the commit: Maybe you can fix the issue ? Or at least debug it and analyze where the bug is?