From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D20C8343889 for ; Tue, 19 May 2026 22:30:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779229819; cv=none; b=FFZQuqzqHfGjItz3070Z4hnB9H+cdb9dzmwdi9Va7AIvSp3XLEJeT49EKuQMAg6U2ZuFHl1q+fpeTRBP4zcMUqd3qiK5k3TfQ5s6gN6guxnPqAIZkZ0WnE1k9DA/mA1JTuzl9GEbDhBObrs26VTicQRmjkAMpU92B7zyOEbP0YE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779229819; c=relaxed/simple; bh=dAzRsYKuGvBreymHNHss5IcwlKD66sCyBOROx6Sy04c=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=OAPOMAH+IR4xwM60zf7gY4MphKDEarsWX+GXM5okj+QrPhageHMOqU2Pxo3G3Qk5rmFbX/J2s/0AHOoEE3H3M1S22VuW/Hh6Df4zOWGTGJtMkNIn+nlcouBU/AgqTdynYnlhHjC9C7AaTLwV0uxkRH9aNeaC7O5/N66lZjE2UT4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QPiwVpye; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QPiwVpye" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F6361F000E9; Tue, 19 May 2026 22:30:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779229818; bh=b+uPr2wEeLMmo//EeABgKX4QMdU6Ywquwv2EaKNSEPQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=QPiwVpye9b1nrk6WGzVhcFGtfMK+T+qkvAZ6e5+55RJaYsDtxkze4Jg6jeFZGHqV+ iwNMIFnlKE3vjW8oKkOML2pYGjbF6z9QbsrCjAH0Dtu/yk2iOiho8FzUP97JFsIZgQ PMCwn3siyfeIWpXjvUHbXHRwjivfY8+rjEWUkTAobklb4/L53+XgYHaQGUmABnwsmy dZ4RGmIuqIevkEFzKo/tIgEwHNxva+nMP38oYB1Er3edqHk+lwME3AwVgiEVtLvOIB An88/74gaumrBG/Rsn4Wy86nYpG3vER1RmUl6+qTToymv3dbuP+iR1cSus4Eeeu906 RXVcyw6YN6b/g== Message-ID: Date: Tue, 19 May 2026 16:30:18 -0600 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net] ipv4: use WARN_ON_ONCE() in ip_rt_bug() Content-Language: en-US To: Eric Dumazet , "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: Simon Horman , Ido Schimmel , netdev@vger.kernel.org, eric.dumazet@gmail.com References: <20260519193248.4018872-1-edumazet@google.com> From: David Ahern In-Reply-To: <20260519193248.4018872-1-edumazet@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/19/26 1:32 PM, Eric Dumazet wrote: > It turns out ip_rt_bug() can be called more than expected. > > syzbot will still panic (because of panic_on_warn=1), but non debug > kernels will no longer die while repeating stack traces on the console. > > Fixes: c378a9c019cf ("ipv4: Give backtrace in ip_rt_bug().") > Signed-off-by: Eric Dumazet > --- > net/ipv4/route.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: David Ahern