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SubjectRe: [PATCH v36 18/33] LSM: Use lsmcontext in security_dentry_init_security
Hi Casey,

I love your patch! Perhaps something to improve:

[auto build test WARNING on pcmoore-audit/next]
[also build test WARNING on pcmoore-selinux/next linus/master]
[cannot apply to jmorris-security/next-testing]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/intel-lab-lkp/linux/commits/Casey-Schaufler/integrity-disassociate-ima_filter_rule-from-security_audit_rule/20220610-080129
base: https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git next
config: s390-randconfig-r044-20220608 (https://download.01.org/0day-ci/archive/20220610/202206101053.7FemxCmO-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 11.3.0
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
# https://github.com/intel-lab-lkp/linux/commit/86d33e271bed739fe32367e703b054ea253bb471
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Casey-Schaufler/integrity-disassociate-ima_filter_rule-from-security_audit_rule/20220610-080129
git checkout 86d33e271bed739fe32367e703b054ea253bb471
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash fs/fuse/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

In file included from include/linux/build_bug.h:5,
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/fuse/fuse_i.h:17,
from fs/fuse/dir.c:9:
fs/fuse/dir.c: In function 'get_security_context.constprop':
>> include/linux/compiler.h:70:46: warning: 'lsmctx.len' is used uninitialized [-Wuninitialized]
70 | (__if_trace.miss_hit[1]++,1) : \
| ^
fs/fuse/dir.c:467:27: note: 'lsmctx.len' was declared here
467 | struct lsmcontext lsmctx;
| ^~~~~~


vim +70 include/linux/compiler.h

a15fd609ad53a6 Linus Torvalds 2019-03-20 59
a15fd609ad53a6 Linus Torvalds 2019-03-20 60 #define __trace_if_value(cond) ({ \
2bcd521a684cc9 Steven Rostedt 2008-11-21 61 static struct ftrace_branch_data \
e04462fb82f8dd Miguel Ojeda 2018-09-03 62 __aligned(4) \
33def8498fdde1 Joe Perches 2020-10-21 63 __section("_ftrace_branch") \
a15fd609ad53a6 Linus Torvalds 2019-03-20 64 __if_trace = { \
2bcd521a684cc9 Steven Rostedt 2008-11-21 65 .func = __func__, \
2bcd521a684cc9 Steven Rostedt 2008-11-21 66 .file = __FILE__, \
2bcd521a684cc9 Steven Rostedt 2008-11-21 67 .line = __LINE__, \
2bcd521a684cc9 Steven Rostedt 2008-11-21 68 }; \
a15fd609ad53a6 Linus Torvalds 2019-03-20 69 (cond) ? \
a15fd609ad53a6 Linus Torvalds 2019-03-20 @70 (__if_trace.miss_hit[1]++,1) : \
a15fd609ad53a6 Linus Torvalds 2019-03-20 71 (__if_trace.miss_hit[0]++,0); \
a15fd609ad53a6 Linus Torvalds 2019-03-20 72 })
a15fd609ad53a6 Linus Torvalds 2019-03-20 73

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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