6:38 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: xtensa-randconfig-s032-20220210
(https://download.01.org/0day-ci/archive/20220211/202202111549.YqdShhY1-lk...)
compiler: xtensa-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
#
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=gcc-11.2.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=xtensa
SHELL=/bin/bash net/ceph/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
net/ceph/messenger.c: note: in included file (through arch/xtensa/include/asm/bitops.h,
include/linux/bitops.h, include/linux/log2.h, ...):
arch/xtensa/include/asm/processor.h:107:2: sparse: sparse: Unsupported xtensa ABI
arch/xtensa/include/asm/processor.h:137:2: sparse: sparse: Unsupported Xtensa ABI
> net/ceph/messenger.c:1126:30: sparse: sparse: incompatible types
in comparison expression (different type sizes):
> net/ceph/messenger.c:1126:30: sparse: unsigned int *
> net/ceph/messenger.c:1126:30: sparse: unsigned long *
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
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org