From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (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 4FFC4433B0 for ; Sun, 13 Oct 2024 06:58:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728802721; cv=none; b=TAAI1aWB4OULCGBr+Twwt4qI2CeI662xz7gYhEtJXjNsBV82eQw80DV+TBJ0X9JyscUYteT4FuWh1UUnuX3jGLAuBSX33MRzmiPo77cn0b1zUcknPYgOaZeLD/m6Bd6kPcLfvDAPNLr7B3SZbCY10onnRlCTYyP9kkWRvK20BdY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728802721; c=relaxed/simple; bh=kzKgqGl+8k5EVwHPhD0pMcimWB9DroUSYjZZsLaYGOE=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=WYbqGuZn5qxdek+ma0RD5TLFEDojeAv7mqjKrNFhZax83OdN2mheosUBnkdPKKYvQmXYl+mpmBb9NbmLPCp0ub4jK9g3CH5ehA3Aj3leb9RteQu1msKzc7MnbTS+dWp1NB+H3vTVcqXW79LeSuX/ky3sMbr7UV6+rcrtG8kvQPI= 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=OyFnMcaY; arc=none smtp.client-ip=198.175.65.17 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="OyFnMcaY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1728802721; x=1760338721; h=date:from:to:cc:subject:message-id:mime-version; bh=kzKgqGl+8k5EVwHPhD0pMcimWB9DroUSYjZZsLaYGOE=; b=OyFnMcaYm0jsyfRoB25zf2pyWnZl2FImmr6d6b+NjhqcgujkTay9Y5kr 9T0sQE2km7N56Iun8SJuzRbFPwVFHUG+B+zDOKzL7j8LhzxSm4EeaXYx0 sIr2WukLvQD/64U8SlXuvcl5As0Uup/BAQkFk3BhNILL5oGimMSqGFgxt gXsRN4E/dAvp0XUZG/+DlX0iQkQY5eqLZEwM+2SwizeWSs+WSycpea4z7 uinChJgC9aOzNNCP7VDIOyum1O9r2taDU6ux19IX03KW8gzFrVLP8rTyM mWyldBRFQ19wNz7j5JNhqadQxsjSpkw2IYxie+9g3SxPgsOBiPCAtwGWt Q==; X-CSE-ConnectionGUID: IMjYdCudQBqiQs2npxD+gw== X-CSE-MsgGUID: stQRWR+3Qz+OaSY6ARHqsQ== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="28253315" X-IronPort-AV: E=Sophos;i="6.11,200,1725346800"; d="scan'208";a="28253315" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Oct 2024 23:58:40 -0700 X-CSE-ConnectionGUID: wv7FFXLVSpOhPjV5u7QfQQ== X-CSE-MsgGUID: wEHL3Ts1R76uVTyJ2D98Xg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,200,1725346800"; d="scan'208";a="82290888" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 12 Oct 2024 23:58:39 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1szsYm-000EA6-1q; Sun, 13 Oct 2024 06:58:36 +0000 Date: Sun, 13 Oct 2024 14:58:04 +0800 From: kernel test robot To: Andrii Nakryiko Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Alexei Starovoitov Subject: kernel/bpf/token.c:50:6-27: WARNING: atomic_dec_and_test variation before object free at line 54. Message-ID: <202410131412.5csjqw8L-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 36c254515dc6592c44db77b84908358979dd6b50 commit: 35f96de04127d332a5c5e8a155d31f452f88c76d bpf: Introduce BPF token object date: 9 months ago config: alpha-randconfig-r054-20241012 (https://download.01.org/0day-ci/archive/20241013/202410131412.5csjqw8L-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 13.3.0 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/202410131412.5csjqw8L-lkp@intel.com/ cocci warnings: (new ones prefixed by >>) >> kernel/bpf/token.c:50:6-27: WARNING: atomic_dec_and_test variation before object free at line 54. vim +50 kernel/bpf/token.c 44 45 void bpf_token_put(struct bpf_token *token) 46 { 47 if (!token) 48 return; 49 > 50 if (!atomic64_dec_and_test(&token->refcnt)) 51 return; 52 53 INIT_WORK(&token->work, bpf_token_put_deferred); > 54 schedule_work(&token->work); 55 } 56 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki