* [integrity:next-integrity-testing 4/9] security/integrity/ima/ima_template_lib.c:571:28: sparse: sparse: incorrect type in assignment (different base types)
@ 2021-06-04 7:33 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-06-04 7:33 UTC (permalink / raw)
To: Roberto Sassu; +Cc: kbuild-all, linux-integrity, Mimi Zohar
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next-integrity-testing
head: d721c15fd519c08819fbc6de39b713e2ed1d9894
commit: 7dcfeacc5a9d0c130160b86de23279793a8732c8 [4/9] ima: Define new template fields iuid and igid
config: nios2-randconfig-s031-20210604 (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0
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: v0.6.3-341-g8af24329-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git/commit/?id=7dcfeacc5a9d0c130160b86de23279793a8732c8
git remote add integrity https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git
git fetch --no-tags integrity next-integrity-testing
git checkout 7dcfeacc5a9d0c130160b86de23279793a8732c8
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=nios2
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
security/integrity/ima/ima_template_lib.c:100:44: sparse: sparse: cast to restricted __le16
security/integrity/ima/ima_template_lib.c:107:44: sparse: sparse: cast to restricted __le32
security/integrity/ima/ima_template_lib.c:114:44: sparse: sparse: cast to restricted __le64
security/integrity/ima/ima_template_lib.c:135:60: sparse: sparse: restricted __le32 degrades to integer
security/integrity/ima/ima_template_lib.c:230:49: sparse: sparse: cast to restricted __le32
>> security/integrity/ima/ima_template_lib.c:571:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] id @@ got restricted __le16 [usertype] @@
security/integrity/ima/ima_template_lib.c:571:28: sparse: expected unsigned int [assigned] id
security/integrity/ima/ima_template_lib.c:571:28: sparse: got restricted __le16 [usertype]
>> security/integrity/ima/ima_template_lib.c:573:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] id @@ got restricted __le32 [usertype] @@
security/integrity/ima/ima_template_lib.c:573:28: sparse: expected unsigned int [assigned] id
security/integrity/ima/ima_template_lib.c:573:28: sparse: got restricted __le32 [usertype]
vim +571 security/integrity/ima/ima_template_lib.c
554
555 static int ima_eventinodedac_init_common(struct ima_event_data *event_data,
556 struct ima_field_data *field_data,
557 bool get_uid)
558 {
559 unsigned int id;
560
561 if (!event_data->file)
562 return 0;
563
564 if (get_uid)
565 id = i_uid_read(file_inode(event_data->file));
566 else
567 id = i_gid_read(file_inode(event_data->file));
568
569 if (ima_canonical_fmt) {
570 if (sizeof(id) == sizeof(u16))
> 571 id = cpu_to_le16(id);
572 else
> 573 id = cpu_to_le32(id);
574 }
575
576 return ima_write_template_field_data((void *)&id, sizeof(id),
577 DATA_FMT_UINT, field_data);
578 }
579
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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