5:13 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git ceph-fscrypt
head: adf69efebc954db1aa7af7b93febbc2a1b51dc6c
commit: 8647843c1c4c4ebffb864d049176b4d847ef3a4b [55/57] libceph: allow
ceph_msg_data_advance to advance more than a page
config: riscv-randconfig-r016-20220211
(https://download.01.org/0day-ci/archive/20220211/202202111436.oS410AKW-lk...)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project
f6685f774697c85d6a352dcea013f46a99f9fe31)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git/commit/...
git remote add jlayton
https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git
git fetch --no-tags jlayton ceph-fscrypt
git checkout 8647843c1c4c4ebffb864d049176b4d847ef3a4b
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=riscv SHELL=/bin/bash drivers/cpuidle/ net/ceph/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
net/ceph/messenger.c:178:5: warning: format specifies type 'unsigned short' but
the argument has type 'int' [-Wformat]
ntohs(in4->sin_port));
^~~~~~~~~~~~~~~~~~~~
include/linux/byteorder/generic.h:142:18: note: expanded from macro 'ntohs'
#define ntohs(x) ___ntohs(x)
^~~~~~~~~~~
include/linux/byteorder/generic.h:137:21: note: expanded from macro '___ntohs'
#define ___ntohs(x) __be16_to_cpu(x)
^~~~~~~~~~~~~~~~
include/uapi/linux/byteorder/little_endian.h:43:26: note: expanded from macro
'__be16_to_cpu'
#define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/uapi/linux/swab.h:105:2: note: expanded from macro '__swab16'
(__builtin_constant_p((__u16)(x)) ? \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/ceph/messenger.c:184:5: warning: format specifies type 'unsigned short' but
the argument has type 'int' [-Wformat]
ntohs(in6->sin6_port));
^~~~~~~~~~~~~~~~~~~~~
include/linux/byteorder/generic.h:142:18: note: expanded from macro 'ntohs'
#define ntohs(x) ___ntohs(x)
^~~~~~~~~~~
include/linux/byteorder/generic.h:137:21: note: expanded from macro '___ntohs'
#define ___ntohs(x) __be16_to_cpu(x)
^~~~~~~~~~~~~~~~
include/uapi/linux/byteorder/little_endian.h:43:26: note: expanded from macro
'__be16_to_cpu'
#define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/uapi/linux/swab.h:105:2: note: expanded from macro '__swab16'
(__builtin_constant_p((__u16)(x)) ? \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> net/ceph/messenger.c:1126:16: warning: comparison of distinct
pointer types ('typeof (bytes) *' (aka 'unsigned int *') and 'typeof
(((1UL) << (12))) *' (aka 'unsigned long *'))
[-Wcompare-distinct-pointer-types]
size_t cur = min(bytes,
PAGE_SIZE);
^~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:45:19: note: expanded from macro 'min'
#define min(x, y) __careful_cmp(x, y, <)
^~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:36:24: note: expanded from macro '__careful_cmp'
__builtin_choose_expr(__safe_cmp(x, y), \
^~~~~~~~~~~~~~~~
include/linux/minmax.h:26:4: note: expanded from macro '__safe_cmp'
(__typecheck(x, y) && __no_side_effects(x, y))
^~~~~~~~~~~~~~~~~
include/linux/minmax.h:20:28: note: expanded from macro '__typecheck'
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
3 warnings generated.
vim +1126 net/ceph/messenger.c
1122
1123 void ceph_msg_data_advance(struct ceph_msg_data_cursor *cursor, size_t bytes)
1124 {
1125 while (bytes) {
1126 size_t cur = min(bytes, PAGE_SIZE);
1127
1128 __ceph_msg_data_advance(cursor, cur);
1129 bytes -= cur;
1130 }
1131 }
1132
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org