From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 800DC38E5D9 for ; Thu, 5 Feb 2026 09:29:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770283744; cv=none; b=A8g/yTyyxAGgRnCxFXKFsgL5gPHnlwxKqE+wIordNqViFoQfJIC0bxv+6be0KqEXWB7CbsMdprTHMTEaa1tFxysNYb12WGvozYj8OsOmJsrZ8NTikPH+UhxQ4BjTNJ1L3dqyFjXsUwchNuioI7wVp6FATo/9K8MtepTTch9MqCk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770283744; c=relaxed/simple; bh=w6nbP2PwYj07RChntj1mSAJ0DeW4Siy9rhGIob2an+k=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TmL4wPt8IXg+AGcvOIZBfVgYXk+Xof3ZWLviBfLJ6cdVyzKCN0Q8YNj8ACfOA5+bxMPNZppGgojDg58rgQydlb4dw+9WNEY7MuFyvOAouWfmF/xqnNNtTzEb1caIsDgDOlSHUWgsn5xhNjdgv/STLr/qAVcf/S5ia2viwWu6NnA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=kl2CUnR6; arc=none smtp.client-ip=198.175.65.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="kl2CUnR6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770283743; x=1801819743; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=w6nbP2PwYj07RChntj1mSAJ0DeW4Siy9rhGIob2an+k=; b=kl2CUnR69d5l40fNR+yktv65Du52BJew/LlV9T8VmKB39mLuIqWNr5lw 5P2qos9nx2b72s0gp7oWjedDp0ZnWK1TD30zbhhWlbP+IlAvqTvQdw7zP Jqnpyh86dKYUFLnsg1W8ARE9MI+ibE/ZoIDjkwL7MNPcozPS5u3QHQo1h NXAyLC0Utd2hqmWNF8xx0NfpGWmUEc5dZy6rnyzSWg2i461FYO5GNYwmA aT867poCtqI75TzRKgRWd/ggeL9eDtEMktqXoEzTAW/JnMKnV/SeX1RDN bx0kx+r8E6CgaDWbilC5cRz4LhsLx+qSzxii5QXpmxJfvbOageiiDqH1F Q==; X-CSE-ConnectionGUID: whbIzGFlSw+2QdFQjO93Qg== X-CSE-MsgGUID: aZFc4aMcRTysFu/SQWQ44Q== X-IronPort-AV: E=McAfee;i="6800,10657,11691"; a="71518191" X-IronPort-AV: E=Sophos;i="6.21,274,1763452800"; d="scan'208";a="71518191" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2026 01:29:03 -0800 X-CSE-ConnectionGUID: aSCF9iKZTo2jBEQexOE1aQ== X-CSE-MsgGUID: wFTXJgwRSCOCiIjNfaV7xQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,274,1763452800"; d="scan'208";a="214974740" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 05 Feb 2026 01:29:01 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vnvfW-00000000jfQ-0PhL; Thu, 05 Feb 2026 09:28:58 +0000 Date: Thu, 5 Feb 2026 17:28:12 +0800 From: kernel test robot To: "Nikhil P. Rao" , netdev@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, nikhil.rao@amd.com, magnus.karlsson@intel.com, maciej.fijalkowski@intel.com, sdf@fomichev.me, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org Subject: Re: [PATCH net 2/2] xsk: Fix zero-copy AF_XDP fragment drop Message-ID: <202602051720.YfZO23pZ-lkp@intel.com> References: <20260205001935.11562-3-nikhil.rao@amd.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260205001935.11562-3-nikhil.rao@amd.com> Hi Nikhil, kernel test robot noticed the following build warnings: [auto build test WARNING on net/main] url: https://github.com/intel-lab-lkp/linux/commits/Nikhil-P-Rao/xsk-Fix-fragment-node-deletion-to-prevent-buffer-leak/20260205-082128 base: net/main patch link: https://lore.kernel.org/r/20260205001935.11562-3-nikhil.rao%40amd.com patch subject: [PATCH net 2/2] xsk: Fix zero-copy AF_XDP fragment drop config: xtensa-randconfig-r072-20260205 (https://download.01.org/0day-ci/archive/20260205/202602051720.YfZO23pZ-lkp@intel.com/config) compiler: xtensa-linux-gcc (GCC) 8.5.0 smatch version: v0.5.0-8994-gd50c5a4c If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202602051720.YfZO23pZ-lkp@intel.com/ New smatch warnings: net/xdp/xsk.c:191 xsk_rcv_zc() warn: inconsistent indenting Old smatch warnings: arch/xtensa/include/asm/thread_info.h:97 current_thread_info() warn: inconsistent indenting vim +191 net/xdp/xsk.c 162 163 static int xsk_rcv_zc(struct xdp_sock *xs, struct xdp_buff *xdp, u32 len) 164 { 165 struct xdp_buff_xsk *xskb = container_of(xdp, struct xdp_buff_xsk, xdp); 166 u32 frags = xdp_buff_has_frags(xdp); 167 struct xdp_buff_xsk *pos, *tmp; 168 struct list_head *xskb_list; 169 u32 num_desc = 1; 170 u32 contd = 0; 171 172 if (frags) { 173 num_desc = xdp_get_shared_info_from_buff(xdp)->nr_frags + 1; 174 contd = XDP_PKT_CONTD; 175 } 176 177 if (xskq_prod_nb_free(xs->rx, num_desc) < num_desc) { 178 xs->rx_queue_full++; 179 return -ENOBUFS; 180 } 181 182 __xsk_rcv_zc(xs, xskb, len, contd); 183 if (likely(!frags)) 184 return 0; 185 186 xskb_list = &xskb->pool->xskb_list; 187 list_for_each_entry_safe(pos, tmp, xskb_list, list_node) { 188 if (list_is_singular(xskb_list)) 189 contd = 0; 190 len = pos->xdp.data_end - pos->xdp.data; > 191 __xsk_rcv_zc(xs, pos, len, contd); 192 list_del_init(&pos->list_node); 193 } 194 195 return 0; 196 } 197 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki