1:47 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/wip.ibt
head: ede73fa4e97e8f275401a989b8d9df192a2c3ec4
commit: 8c06569295c8df00e797ca406fc6b0919a473ee5 [14/15] x86/alternative: Use
.ibt_endbr_sites to seal indirect calls
config: x86_64-allyesconfig
(https://download.01.org/0day-ci/archive/20220214/202202141009.F1MCaPz3-lk...)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
#
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?...
git remote add peterz-queue
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue x86/wip.ibt
git checkout 8c06569295c8df00e797ca406fc6b0919a473ee5
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/kernel.h:29,
from arch/x86/include/asm/percpu.h:27,
from arch/x86/include/asm/current.h:6,
from arch/x86/include/asm/processor.h:17,
from arch/x86/include/asm/timex.h:5,
from include/linux/timex.h:65,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from include/linux/stat.h:19,
from include/linux/module.h:13,
from arch/x86/kernel/alternative.c:4:
arch/x86/kernel/alternative.c: In function 'apply_ibt_endbr':
> include/linux/kern_levels.h:5:18: error: format '%d'
expects argument of type 'int', but argument 2 has type 'long int'
[-Werror=format=]
5 | #define KERN_SOH "\001" /* ASCII Start Of
Header */
| ^~~~~~
include/linux/printk.h:418:11: note: in definition of macro
'printk_index_wrap'
418 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~
include/linux/printk.h:489:2: note: in expansion of macro 'printk'
489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
11 | #define KERN_ERR KERN_SOH "3" /* error conditions */
| ^~~~~~~~
include/linux/printk.h:489:9: note: in expansion of macro 'KERN_ERR'
489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~
arch/x86/kernel/alternative.c:531:2: note: in expansion of macro 'pr_err'
531 | pr_err("XXX IBT: %d\n", end-start);
| ^~~~~~
arch/x86/kernel/alternative.c:531:20: note: format string is defined here
531 | pr_err("XXX IBT: %d\n", end-start);
| ~^
| |
| int
| %ld
cc1: all warnings being treated as errors
vim +5 include/linux/kern_levels.h
314ba3520e513a Joe Perches 2012-07-30 4
04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII
Start Of Header */
04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001'
04d2c8c83d0e3a Joe Perches 2012-07-30 7
:::::: The code at line 5 was first introduced by commit
:::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for
KERN_<LEVEL> to a 2 byte pattern
:::::: TO: Joe Perches <joe(a)perches.com>
:::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org