1:27 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f8e6dfc64f6135d1b6c5215c14cd30b9b60a0008
commit: d86481e924a7d6e8a40477ffa98077c6c0d77ed5 nvmet: use min of device_path and disk
len
date: 6 months ago
config: powerpc-randconfig-c023-20210812 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit...
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d86481e924a7d6e8a40477ffa98077c6c0d77ed5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/nvme/target/core.c:14:
In function '__assign_req_name',
inlined from 'trace_event_raw_event_nvmet_req_init' at
drivers/nvme/target/./trace.h:61:1:
> drivers/nvme/target/trace.h:56:9: warning: 'strncpy'
specified bound depends on the length of the source argument [-Wstringop-truncation]
56 | strncpy(name, req->ns->device_path,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
57 | min_t(size_t, DISK_NAME_LEN,
strlen(req->ns->device_path)));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/kernel.h:14,
from include/linux/list.h:9,
from include/linux/module.h:12,
from drivers/nvme/target/core.c:7:
drivers/nvme/target/./trace.h: In function
'trace_event_raw_event_nvmet_req_init':
drivers/nvme/target/trace.h:57:46: note: length computed here
57 | min_t(size_t, DISK_NAME_LEN,
strlen(req->ns->device_path)));
include/linux/minmax.h:38:39: note: in definition of macro '__cmp_once'
38 | typeof(y) unique_y = (y); \
| ^
include/linux/minmax.h:110:33: note: in expansion of macro '__careful_cmp'
110 | #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
| ^~~~~~~~~~~~~
drivers/nvme/target/trace.h:57:17: note: in expansion of macro 'min_t'
57 | min_t(size_t, DISK_NAME_LEN,
strlen(req->ns->device_path)));
| ^~~~~
In file included from drivers/nvme/target/core.c:14:
In function '__assign_req_name',
inlined from 'trace_event_raw_event_nvmet_req_complete' at
drivers/nvme/target/./trace.h:103:1:
> drivers/nvme/target/trace.h:56:9: warning: 'strncpy'
specified bound depends on the length of the source argument [-Wstringop-truncation]
56 | strncpy(name, req->ns->device_path,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
57 | min_t(size_t, DISK_NAME_LEN,
strlen(req->ns->device_path)));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/kernel.h:14,
from include/linux/list.h:9,
from include/linux/module.h:12,
from drivers/nvme/target/core.c:7:
drivers/nvme/target/./trace.h: In function
'trace_event_raw_event_nvmet_req_complete':
drivers/nvme/target/trace.h:57:46: note: length computed here
57 | min_t(size_t, DISK_NAME_LEN,
strlen(req->ns->device_path)));
include/linux/minmax.h:38:39: note: in definition of macro '__cmp_once'
38 | typeof(y) unique_y = (y); \
| ^
include/linux/minmax.h:110:33: note: in expansion of macro '__careful_cmp'
110 | #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
| ^~~~~~~~~~~~~
drivers/nvme/target/trace.h:57:17: note: in expansion of macro 'min_t'
57 | min_t(size_t, DISK_NAME_LEN,
strlen(req->ns->device_path)));
| ^~~~~
vim +/strncpy +56 drivers/nvme/target/trace.h
48
49 static inline void __assign_req_name(char *name, struct nvmet_req *req)
50 {
51 if (!req->ns) {
52 memset(name, 0, DISK_NAME_LEN);
53 return;
54 }
55
56 strncpy(name, req->ns->device_path,
57 min_t(size_t, DISK_NAME_LEN, strlen(req->ns->device_path)));
58 }
59 #endif
60
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org