From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 2CB3F5F84E for ; Sat, 10 Feb 2024 22:14:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707603283; cv=none; b=ffeHXd4ohawcmlKqFpNgZCAAL5mzqRz9P+vWyT9H4hBTtFvV0/T6F8XTWolmqlLyV0sKiLbrImb6SqXtc7/AYdDwY0bmXbiNRQqyN5RJXajVFBf0UClBXrXjobdDpWAPnf400YAVSfUR422fx5sOgDBJyUWBiFiNlHJ5jN26guQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707603283; c=relaxed/simple; bh=pIedGye6vs6KwsbmTN5nzBqXqHqRDmX3bas0UKsM68E=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=XAr5wN+S/X2tss6dE+XM9YHe2A+RLt9AaL/WxFhQ7lLg3RuSkwYcA7PyoO07WTkIvAN4YHxeBGwK+3z0vF1bec9CpMSRIcvOcqDZK66ZfsYhOvSmTrwMXjwSfLQ4GyXOoGln4xadqECzNy2tUwHyNg5f2RYA1mtYGyHCTJmMNyA= 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=Q2tx2tgL; arc=none smtp.client-ip=192.198.163.7 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="Q2tx2tgL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707603282; x=1739139282; h=date:from:to:cc:subject:message-id:mime-version; bh=pIedGye6vs6KwsbmTN5nzBqXqHqRDmX3bas0UKsM68E=; b=Q2tx2tgLCksvfxn7ejhrJGf6nkKSlVnPI6J2vyImv2Auhw/+wn5LrO9h T3aZ9w5nLVhiYkS+u95X1QaAswfRJf+2BjV5ljR749unuc7oW/4/n+YWd DTYwjqs0WOKvu9WTI/CgvE5Ob6H5vqUdg0+zwhYxegCeQrQ+WY4K2AcTJ N/beZo1O1iPXuQJ5Iw/kYM8rPy6ADkuIl9PLjiX1ZeIvn9NpIDTr6FvKY eBOyIvujYMVbJqAGUMVozpfneMok2IWcxOgQiY4cQDy83OCMcpXKgGtE6 2334DaxyP9h50q+0tgEJbeM8QD0PYzsqEHzV5rk/fK+bF8zx+BzvZECGR A==; X-IronPort-AV: E=McAfee;i="6600,9927,10980"; a="27043457" X-IronPort-AV: E=Sophos;i="6.05,259,1701158400"; d="scan'208";a="27043457" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Feb 2024 14:14:41 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10980"; a="825461105" X-IronPort-AV: E=Sophos;i="6.05,259,1701158400"; d="scan'208";a="825461105" Received: from lkp-server01.sh.intel.com (HELO 01f0647817ea) ([10.239.97.150]) by orsmga001.jf.intel.com with ESMTP; 10 Feb 2024 14:14:40 -0800 Received: from kbuild by 01f0647817ea with local (Exim 4.96) (envelope-from ) id 1rYvcL-00068o-2u; Sat, 10 Feb 2024 22:14:37 +0000 Date: Sun, 11 Feb 2024 06:13:46 +0800 From: kernel test robot To: Goldwyn Rodrigues Cc: oe-kbuild-all@lists.linux.dev Subject: [goldwynr:buffered-iomap 42/93] include/linux/build_bug.h:78:41: error: static assertion failed: "min(pos + write_bytes, isize) signedness error, fix types or consider umin() before min_t()" Message-ID: <202402110641.Wo5oJSul-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://github.com/goldwynr/linux buffered-iomap head: 7cb60beb922ba5589e5aea0181ced3e235df7435 commit: 91d068db5f009b134b22693519136ac8ffa8bb72 [42/93] btrfs: lock until inode size while performing writes config: m68k-defconfig (https://download.01.org/0day-ci/archive/20240211/202402110641.Wo5oJSul-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240211/202402110641.Wo5oJSul-lkp@intel.com/reproduce) 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/202402110641.Wo5oJSul-lkp@intel.com/ Note: the goldwynr/buffered-iomap HEAD 7cb60beb922ba5589e5aea0181ced3e235df7435 builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): In file included from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/wait.h:7, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from fs/btrfs/file.c:6: fs/btrfs/file.c: In function 'lock_and_cleanup_extent_if_need': >> include/linux/build_bug.h:78:41: error: static assertion failed: "min(pos + write_bytes, isize) signedness error, fix types or consider umin() before min_t()" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ include/linux/minmax.h:51:9: note: in expansion of macro 'static_assert' 51 | static_assert(__types_ok(x, y), \ | ^~~~~~~~~~~~~ include/linux/minmax.h:58:17: note: in expansion of macro '__cmp_once' 58 | __cmp_once(op, x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y))) | ^~~~~~~~~~ include/linux/minmax.h:85:25: note: in expansion of macro '__careful_cmp' 85 | #define min(x, y) __careful_cmp(min, x, y) | ^~~~~~~~~~~~~ fs/btrfs/file.c:1004:20: note: in expansion of macro 'min' 1004 | last_pos = min(pos + write_bytes, isize); | ^~~ vim +78 include/linux/build_bug.h bc6245e5efd70c Ian Abbott 2017-07-10 60 6bab69c65013be Rasmus Villemoes 2019-03-07 61 /** 6bab69c65013be Rasmus Villemoes 2019-03-07 62 * static_assert - check integer constant expression at build time 6bab69c65013be Rasmus Villemoes 2019-03-07 63 * 6bab69c65013be Rasmus Villemoes 2019-03-07 64 * static_assert() is a wrapper for the C11 _Static_assert, with a 6bab69c65013be Rasmus Villemoes 2019-03-07 65 * little macro magic to make the message optional (defaulting to the 6bab69c65013be Rasmus Villemoes 2019-03-07 66 * stringification of the tested expression). 6bab69c65013be Rasmus Villemoes 2019-03-07 67 * 6bab69c65013be Rasmus Villemoes 2019-03-07 68 * Contrary to BUILD_BUG_ON(), static_assert() can be used at global 6bab69c65013be Rasmus Villemoes 2019-03-07 69 * scope, but requires the expression to be an integer constant 6bab69c65013be Rasmus Villemoes 2019-03-07 70 * expression (i.e., it is not enough that __builtin_constant_p() is 6bab69c65013be Rasmus Villemoes 2019-03-07 71 * true for expr). 6bab69c65013be Rasmus Villemoes 2019-03-07 72 * 6bab69c65013be Rasmus Villemoes 2019-03-07 73 * Also note that BUILD_BUG_ON() fails the build if the condition is 6bab69c65013be Rasmus Villemoes 2019-03-07 74 * true, while static_assert() fails the build if the expression is 6bab69c65013be Rasmus Villemoes 2019-03-07 75 * false. 6bab69c65013be Rasmus Villemoes 2019-03-07 76 */ 6bab69c65013be Rasmus Villemoes 2019-03-07 77 #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) 6bab69c65013be Rasmus Villemoes 2019-03-07 @78 #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) 6bab69c65013be Rasmus Villemoes 2019-03-07 79 07a368b3f55a79 Maxim Levitsky 2022-10-25 80 :::::: The code at line 78 was first introduced by commit :::::: 6bab69c65013bed5fce9f101a64a84d0385b3946 build_bug.h: add wrapper for _Static_assert :::::: TO: Rasmus Villemoes :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki