From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 81AD1224F6 for ; Tue, 23 Sep 2025 00:14:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758586442; cv=none; b=Q4tlR2drKDJn41OGfNKW+V55SlYWWYONyPWOcEnz265lMGLAgun4BBDFMjh+aZjOtMPIQQEeFEXXqO+f/nUgDidL0CD7qT2VSCc2kc/mBeXKsjKtSD679ptBpEc4cCMudpu5QnBTgdit37ndLmQcWp22Q6HXb2dd6uSmOQxc8Iw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758586442; c=relaxed/simple; bh=zjv2AJ0saO8lSfd84V+PKIceX4QXgxQqU1UdeRLlpbo=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=pSX12H3CzMOBio4ZovtMKh/5cF9qlaTLNSkBJZqq1c6hC8JZrtCmrt0nbcRBROq77FpY5Rfjs69wFcH6PyMS+Cs29DXlU/Q6QFbi59a/iUsXiKnyhDzi4zlcd4EipXFoUjrrsJwXb7QLWdYwUO7B9DJgKYWldW3Dubm7OZHkjA4= 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=NFCxew13; arc=none smtp.client-ip=198.175.65.16 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="NFCxew13" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758586441; x=1790122441; h=date:from:to:cc:subject:message-id:mime-version; bh=zjv2AJ0saO8lSfd84V+PKIceX4QXgxQqU1UdeRLlpbo=; b=NFCxew13HvsNbhdx4hMyIAnfaGda14h1cK4xlaqa4vjgpRDcGeAKtK3/ EWDvrXbtVtliN06TGO/Pw/cTQq/V1JGrc0Xx1D0qwUa6qX8i3rN58M2UK 5C++fL7Ny/TG8pX9EwT7B7uzNSAVFfQ0C/pEGxc8HwUAQ2qKprIWTcZj2 MIjQ4hYDG4AuzMgC+cMbt+oZZTsE9OEQaQAfVvijxFg0jion+r+mqFwaY miG3SXlRBQxnQriFQFylJjx7H6GKWdUDWOLWRWJnhHukdPfJ6ZBgfRWTW ItMKZDZ1eOvkep13FgG8Cb1aIsO0aTotOLDBn6iApxaBCTw6bULaAFZSp g==; X-CSE-ConnectionGUID: C0Cb4h0fTm2kdE/KKEnExg== X-CSE-MsgGUID: EzcbgqJqRw2ghY9xbySbuA== X-IronPort-AV: E=McAfee;i="6800,10657,11561"; a="61027194" X-IronPort-AV: E=Sophos;i="6.18,286,1751266800"; d="scan'208";a="61027194" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2025 17:14:00 -0700 X-CSE-ConnectionGUID: 7vGHcI0sR5qixkC9O+T4xw== X-CSE-MsgGUID: xOgQ4H5CQYe8pmmeIRMWPQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,286,1751266800"; d="scan'208";a="176450985" Received: from lkp-server02.sh.intel.com (HELO 84c55410ccf6) ([10.239.97.151]) by orviesa007.jf.intel.com with ESMTP; 22 Sep 2025 17:13:59 -0700 Received: from kbuild by 84c55410ccf6 with local (Exim 4.96) (envelope-from ) id 1v0qfM-0002Zp-1N; Tue, 23 Sep 2025 00:13:56 +0000 Date: Tue, 23 Sep 2025 08:12:59 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: [melver:cap-analysis/dev 23/35] security/selinux/avc.c:483 avc_reclaim_node() error: uninitialized symbol 'flags'. Message-ID: <202509230813.j9h9IIQa-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev TO: elver@google.com tree: https://git.kernel.org/pub/scm/linux/kernel/git/melver/linux.git cap-analysis/dev head: b57fd8af63116c56536eb40f04dbe4f2206ec4ed commit: 32b884d94862a5295719faf9e1c3b5eef162cca4 [23/35] compiler-capability-analysis: Remove __cond_lock() function-like helper :::::: branch date: 4 days ago :::::: commit date: 4 days ago config: powerpc64-randconfig-r071-20250922 (https://download.01.org/0day-ci/archive/20250923/202509230813.j9h9IIQa-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project cafc064fc7a96b3979a023ddae1da2b499d6c954) 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202509230813.j9h9IIQa-lkp@intel.com/ New smatch warnings: security/selinux/avc.c:483 avc_reclaim_node() error: uninitialized symbol 'flags'. arch/powerpc/kernel/nvram_64.c:704 oops_to_nvram() error: uninitialized symbol 'flags'. drivers/tty/serial/samsung_tty.c:2288 s3c24xx_serial_console_write() error: uninitialized symbol 'flags'. drivers/tty/serial/st-asc.c:875 asc_console_write() error: uninitialized symbol 'flags'. Old smatch warnings: security/selinux/avc.c:488 avc_reclaim_node() error: uninitialized symbol 'flags'. vim +/flags +483 security/selinux/avc.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 458 e67b79850fcc4e Stephen Smalley 2023-03-09 459 static inline int avc_reclaim_node(void) ^1da177e4c3f41 Linus Torvalds 2005-04-16 460 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 461 struct avc_node *node; ^1da177e4c3f41 Linus Torvalds 2005-04-16 462 int hvalue, try, ecx; ^1da177e4c3f41 Linus Torvalds 2005-04-16 463 unsigned long flags; 26036651c56260 Eric Paris 2009-02-12 464 struct hlist_head *head; edf3d1aecd0d60 Eric Paris 2009-02-12 465 spinlock_t *lock; ^1da177e4c3f41 Linus Torvalds 2005-04-16 466 ^1da177e4c3f41 Linus Torvalds 2005-04-16 467 for (try = 0, ecx = 0; try < AVC_CACHE_SLOTS; try++) { e67b79850fcc4e Stephen Smalley 2023-03-09 468 hvalue = atomic_inc_return(&selinux_avc.avc_cache.lru_hint) & 6b6bc6205d9879 Stephen Smalley 2018-03-05 469 (AVC_CACHE_SLOTS - 1); e67b79850fcc4e Stephen Smalley 2023-03-09 470 head = &selinux_avc.avc_cache.slots[hvalue]; e67b79850fcc4e Stephen Smalley 2023-03-09 471 lock = &selinux_avc.avc_cache.slots_lock[hvalue]; ^1da177e4c3f41 Linus Torvalds 2005-04-16 472 edf3d1aecd0d60 Eric Paris 2009-02-12 473 if (!spin_trylock_irqsave(lock, flags)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 474 continue; ^1da177e4c3f41 Linus Torvalds 2005-04-16 475 618442509128fe Paul E. McKenney 2008-04-21 476 rcu_read_lock(); b67bfe0d42cac5 Sasha Levin 2013-02-27 477 hlist_for_each_entry(node, head, list) { e67b79850fcc4e Stephen Smalley 2023-03-09 478 avc_node_delete(node); ^1da177e4c3f41 Linus Torvalds 2005-04-16 479 avc_cache_stats_incr(reclaims); ^1da177e4c3f41 Linus Torvalds 2005-04-16 480 ecx++; ^1da177e4c3f41 Linus Torvalds 2005-04-16 481 if (ecx >= AVC_CACHE_RECLAIM) { 618442509128fe Paul E. McKenney 2008-04-21 482 rcu_read_unlock(); edf3d1aecd0d60 Eric Paris 2009-02-12 @483 spin_unlock_irqrestore(lock, flags); ^1da177e4c3f41 Linus Torvalds 2005-04-16 484 goto out; ^1da177e4c3f41 Linus Torvalds 2005-04-16 485 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 486 } 618442509128fe Paul E. McKenney 2008-04-21 487 rcu_read_unlock(); edf3d1aecd0d60 Eric Paris 2009-02-12 488 spin_unlock_irqrestore(lock, flags); ^1da177e4c3f41 Linus Torvalds 2005-04-16 489 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 490 out: ^1da177e4c3f41 Linus Torvalds 2005-04-16 491 return ecx; ^1da177e4c3f41 Linus Torvalds 2005-04-16 492 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 493 :::::: The code at line 483 was first introduced by commit :::::: edf3d1aecd0d608acbd561b0c527e1d41abcb657 SELinux: code readability with avc_cache :::::: TO: Eric Paris :::::: CC: James Morris -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki