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X-CSE-ConnectionGUID: OFRG31vzQIur8TB7uMOmaw== X-CSE-MsgGUID: rMwuvP6NR0i5bmcEEsPb8A== X-IronPort-AV: E=McAfee;i="6700,10204,11378"; a="47503430" X-IronPort-AV: E=Sophos;i="6.14,259,1736841600"; d="scan'208";a="47503430" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2025 12:25:13 -0700 X-CSE-ConnectionGUID: Avg5CLrrQdauogG9Jd2LWw== X-CSE-MsgGUID: DelGLglpTwa99Rk9rOfu7A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,259,1736841600"; d="scan'208";a="127968457" Received: from lkp-server02.sh.intel.com (HELO a4747d147074) ([10.239.97.151]) by orviesa005.jf.intel.com with ESMTP; 19 Mar 2025 12:25:12 -0700 Received: from kbuild by a4747d147074 with local (Exim 4.96) (envelope-from ) id 1tuz1t-000Fd0-2w; Wed, 19 Mar 2025 19:25:09 +0000 Date: Thu, 20 Mar 2025 03:24:06 +0800 From: kernel test robot To: Joe Damato Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [RFC -next 07/10] fs: Add sendfile2 which accepts a flags argument Message-ID: <202503200334.usJnINks-lkp@intel.com> References: <20250319001521.53249-8-jdamato@fastly.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 In-Reply-To: <20250319001521.53249-8-jdamato@fastly.com> Hi Joe, [This is a private test report for your RFC patch.] kernel test robot noticed the following build warnings: [auto build test WARNING on 2e72b1e0aac24a12f3bf3eec620efaca7ab7d4de] url: https://github.com/intel-lab-lkp/linux/commits/Joe-Damato/splice-Add-ubuf_info-to-prepare-for-ZC/20250319-082153 base: 2e72b1e0aac24a12f3bf3eec620efaca7ab7d4de patch link: https://lore.kernel.org/r/20250319001521.53249-8-jdamato%40fastly.com patch subject: [RFC -next 07/10] fs: Add sendfile2 which accepts a flags argument config: riscv-randconfig-002-20250320 (https://download.01.org/0day-ci/archive/20250320/202503200334.usJnINks-lkp@intel.com/config) compiler: riscv32-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250320/202503200334.usJnINks-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/202503200334.usJnINks-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/linux/compat.h:34, from arch/riscv/include/asm/elf.h:12, from include/linux/elf.h:6, from include/linux/module.h:19, from include/linux/bpf.h:20, from include/linux/security.h:35, from fs/read_write.c:15: arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_lseek' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int)' [-Wattribute-alias] static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \ ^~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:226:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ fs/read_write.c:403:1: note: in expansion of macro 'SYSCALL_DEFINE3' SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence) ^~~~~~~~~~~~~~~ arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) ^~~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:226:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ fs/read_write.c:403:1: note: in expansion of macro 'SYSCALL_DEFINE3' SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence) ^~~~~~~~~~~~~~~ arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_copy_file_range' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int, long int, long int)' [-Wattribute-alias] static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \ ^~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:229:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ fs/read_write.c:1654:1: note: in expansion of macro 'SYSCALL_DEFINE6' SYSCALL_DEFINE6(copy_file_range, int, fd_in, loff_t __user *, off_in, ^~~~~~~~~~~~~~~ arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) ^~~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:229:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ fs/read_write.c:1654:1: note: in expansion of macro 'SYSCALL_DEFINE6' SYSCALL_DEFINE6(copy_file_range, int, fd_in, loff_t __user *, off_in, ^~~~~~~~~~~~~~~ >> arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_sendfile2' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int, long int)' [-Wattribute-alias] static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \ ^~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ fs/read_write.c:1427:1: note: in expansion of macro 'SYSCALL_DEFINE5' SYSCALL_DEFINE5(sendfile2, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count, int, flags) ^~~~~~~~~~~~~~~ arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) ^~~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:228:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ fs/read_write.c:1427:1: note: in expansion of macro 'SYSCALL_DEFINE5' SYSCALL_DEFINE5(sendfile2, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count, int, flags) ^~~~~~~~~~~~~~~ arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_sendfile64' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int)' [-Wattribute-alias] static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \ ^~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ fs/read_write.c:1410:1: note: in expansion of macro 'SYSCALL_DEFINE4' SYSCALL_DEFINE4(sendfile64, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count) ^~~~~~~~~~~~~~~ arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) ^~~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ fs/read_write.c:1410:1: note: in expansion of macro 'SYSCALL_DEFINE4' SYSCALL_DEFINE4(sendfile64, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count) ^~~~~~~~~~~~~~~ arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_sendfile' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int)' [-Wattribute-alias] static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \ ^~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ fs/read_write.c:1391:1: note: in expansion of macro 'SYSCALL_DEFINE4' SYSCALL_DEFINE4(sendfile, int, out_fd, int, in_fd, off_t __user *, offset, size_t, count) ^~~~~~~~~~~~~~~ arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) ^~~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:227:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ fs/read_write.c:1391:1: note: in expansion of macro 'SYSCALL_DEFINE4' SYSCALL_DEFINE4(sendfile, int, out_fd, int, in_fd, off_t __user *, offset, size_t, count) ^~~~~~~~~~~~~~~ arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_pwritev2' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int, long int, long int)' [-Wattribute-alias] static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \ ^~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:235:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:229:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) vim +35 arch/riscv/include/asm/syscall_wrapper.h a9ad73295cc1e3 Sami Tolvanen 2024-03-11 16 a9ad73295cc1e3 Sami Tolvanen 2024-03-11 17 #define __SYSCALL_SE_DEFINEx(x, prefix, name, ...) \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 18 static long __se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 19 static long __se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) a9ad73295cc1e3 Sami Tolvanen 2024-03-11 20 08d0ce30e0e4fc Sami Tolvanen 2023-07-10 21 #define SC_RISCV_REGS_TO_ARGS(x, ...) \ 08d0ce30e0e4fc Sami Tolvanen 2023-07-10 22 __MAP(x,__SC_ARGS \ 08d0ce30e0e4fc Sami Tolvanen 2023-07-10 23 ,,regs->orig_a0,,regs->a1,,regs->a2 \ 08d0ce30e0e4fc Sami Tolvanen 2023-07-10 24 ,,regs->a3,,regs->a4,,regs->a5,,regs->a6) 08d0ce30e0e4fc Sami Tolvanen 2023-07-10 25 a9ad73295cc1e3 Sami Tolvanen 2024-03-11 26 #else a9ad73295cc1e3 Sami Tolvanen 2024-03-11 27 /* a9ad73295cc1e3 Sami Tolvanen 2024-03-11 28 * Use type aliasing to ensure registers a0-a6 are correctly passed to the syscall a9ad73295cc1e3 Sami Tolvanen 2024-03-11 29 * implementation when >word-size arguments are used. a9ad73295cc1e3 Sami Tolvanen 2024-03-11 30 */ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 31 #define __SYSCALL_SE_DEFINEx(x, prefix, name, ...) \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 32 __diag_push(); \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 33 __diag_ignore(GCC, 8, "-Wattribute-alias", \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 34 "Type aliasing is used to sanitize syscall arguments"); \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 @35 static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 36 ulong) \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 37 __attribute__((alias(__stringify(___se_##prefix##name)))); \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 38 __diag_pop(); \ 653650c468be21 Sami Tolvanen 2024-03-26 39 static long noinline ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 653650c468be21 Sami Tolvanen 2024-03-26 40 __used; \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 41 static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) a9ad73295cc1e3 Sami Tolvanen 2024-03-11 42 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki