7:47 p.m.
Hi Geert,
url:
https://github.com/0day-ci/linux/commits/Geert-Uytterhoeven/auxdisplay-ht...
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: i386-randconfig-m031-20211012 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com>
smatch warnings:
include/uapi/linux/map_to_14segment.h:87 map_to_seg14() error: buffer overflow
'map->table' 128 <= 255
include/uapi/linux/map_to_14segment.h:87 map_to_seg14() error: buffer overflow
'map->table' 128 <= 255
include/uapi/linux/map_to_14segment.h:87 map_to_seg14() error: buffer overflow
'map->table' 128 <= 255
vim +87 include/uapi/linux/map_to_14segment.h
d26423994040a7 Geert Uytterhoeven 2021-10-12 85 static __inline__ int
map_to_seg14(struct seg14_conversion_map *map, int c)
d26423994040a7 Geert Uytterhoeven 2021-10-12 86 {
d26423994040a7 Geert Uytterhoeven 2021-10-12 @87 return c >= 0 && c <
sizeof(map->table) ? __be16_to_cpu(map->table[c])
^^^^^^^^^^^^^^^^^^^^^^
This needs to be c < ARRAY_SIZE(map->table) instead of sizeof().
d26423994040a7 Geert Uytterhoeven 2021-10-12 88 : -EINVAL;
d26423994040a7 Geert Uytterhoeven 2021-10-12 89 }
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org