From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lf1-f47.google.com (mail-lf1-f47.google.com [209.85.167.47]) (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 7FEC2A59; Tue, 7 May 2024 07:39:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715067560; cv=none; b=RrQstek3DihkbDdnAnCbpD4yg+7e6utySo3uEd8EETrBazuKgzt+t5dXB+k0wfd0flTAtM1gvTG7d348W51FPpTN5a223TdfI5XUI3MqLs7m/QQOtluyanNf5ubLUqbLHDvSsY1DMg+L8KHB4gvjYhZDRd9h+HlLt+Ahp+zJhf8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715067560; c=relaxed/simple; bh=W3rMoftBCTnFGhHuj562gmyJ5nTr3AiKfDHakVAztus=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=TGXLPFFzyLCU4YJ3sXSzjRHRfwKfQZVDsKWLTOQbNOLpXwxkatkjvvZnZYBW+QgEjDnc/JnfAHAIK7QqF67YN/5krsydhpXbydfkxaGOICFFPyjAzGEnU3Gd7FokmB4HhH6KxnfPiWEmjm7yYMUIRtEEN9TtF4NDguErvZGVb/0= 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=OBZ1e2+k; arc=none smtp.client-ip=209.85.167.47 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="OBZ1e2+k" Received: by mail-lf1-f47.google.com with SMTP id 2adb3069b0e04-51fea3031c3so3443851e87.0; Tue, 07 May 2024 00:39:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1715067557; x=1715672357; 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=Dxn9PE6PqeRe9A+FKlp89jxfX2ErRJUfIgz4NjuiDr4=; b=OBZ1e2+kL6yBeLZsUAG9VgXgsWl+tFLc45HeNTbLiXFGPdaqv3qsdyDu6M/Jeaie0T dklW4ugILOJFOClaCgMN/FZhIDVB7Yqlr121xoDTGRC48FJR7mtGzdNF6yxS6kfsmICp macP3ORSfgoIUTi+7gqfQpMazu0cpgEiKwF0jsq3UB7bhRnC0xaML4xJZByqPHBJRaS3 XH8+Rckzd9gPzJxHjSwF40RA2++osEK2Qh3ryBSj4szZS/igAGN6zrnjW2vD/MGIRkiV R+9y/xY5aWc/3K/2ifj2GmWDcXKYAXkleHpOrtuBfDJTeQa8CiR8ei5VD47oN0habNLT 6TAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715067557; x=1715672357; 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=Dxn9PE6PqeRe9A+FKlp89jxfX2ErRJUfIgz4NjuiDr4=; b=gaBqIl3NBwPLd/on7pV8c0e2YrUfmIuTDWRNALrFTEHZ4zUgsfZhdkQzfHiit6W8su On/i6EEk/jFtTa70bqb/Nc6UwJI37xtyqtmTRyde01aOxMkrlP+ykyWptyNrubAVaHqE ZbBKKWFO8aEVAo+UhR7M1IxF4TvgCfxZaZ53ohp+tgYuXAWqRvY2zkU0p1f2882p2UEj 69ph6SCT8ZoYBtc4UEbWuzPrLOdQ5AXSiLsT6LyRRNeWD6g5xqO48sdRR6multVscVhI J8kE23+HlzyUyuRAnmyn8HrYlxrPlSYJwpib7bmFyNfhEW4cSsgEttq93vtW8Bjb0W/E 1RFw== X-Forwarded-Encrypted: i=1; AJvYcCWJdN3xmyLEbAbzqLgumMUDyXwIGzfdFWpvaBx7AsqAVePVxIoo4I8XdnFj+6PFWsjrSuRTMXbA4KVqUxwm2ATySBxmymKL X-Gm-Message-State: AOJu0YyLFLTwkYWbU37mHdpZIkqDWBaPWy95/b2UZSs3HVLwYtLAutsl WCAMggjpBpFXB6s7QdOCINPdVXeyB/mJbkJYS2CH7OTy0AZ8mkqdEApf53oeFti42Fo0BSxXpQF X08PprN602OxFHk1MAGDoBXQ1KHNhK67ytTU= X-Google-Smtp-Source: AGHT+IG6MwTWs/fqrivz7LO6egxrTEGvus1Z/0Ga9g4atGV0GQFGxW3aC0oo32jK10Gd4z5XCUAVOQbdLs4XrdVSUBg= X-Received: by 2002:a05:6512:131e:b0:51a:f11c:81db with SMTP id x30-20020a056512131e00b0051af11c81dbmr12067377lfu.30.1715067556390; Tue, 07 May 2024 00:39:16 -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: Sam Sun Date: Tue, 7 May 2024 15:39:04 +0800 Message-ID: Subject: Re: [Linux kernel bug] general protection fault in nexthop_is_blackhole To: Eric Dumazet Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, davem@davemloft.net, dsahern@kernel.org, kuba@kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, xrivendell7@gmail.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, May 7, 2024 at 3:31=E2=80=AFPM Eric Dumazet w= rote: > > On Tue, May 7, 2024 at 9:00=E2=80=AFAM Sam Sun = wrote: > > > > Dear developers and maintainers, > > > > We encountered a general protection fault in function > > nexthop_is_blackhole. It was tested against the latest upstream linux > > (tag 6.9-rc7). C repro and kernel config are attached to this email. > > Kernel crash log is listed below. > > This is another reiserfs bug, please let's not be mistaken. > > We have dozens of syzbot reports about reiserfs. > > Thank you. > Sorry for my mistake and thanks for pointing out. I only checked the call stack without checking the repro. I will ban the reiserfs in future testing. Best Regards, Yue