* lib/test_bpf.c:63:8: warning: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal).
@ 2021-12-14 6:08 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2021-12-14 6:08 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 15031 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Johan Almbladh <johan.almbladh@anyfinetworks.com>
CC: Daniel Borkmann <daniel@iogearbox.net>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5472f14a37421d1bca3dddf33cabd3bd6dbefbbc
commit: c2a228d69cef802cf6bfd773c84f8419d2e2acf9 bpf/tests: Allow different number of runs per test case
date: 3 months ago
:::::: branch date: 8 hours ago
:::::: commit date: 3 months ago
config: x86_64-randconfig-c007-20211202 (https://download.01.org/0day-ci/archive/20211214/202112141457.bIIpNh08-lkp(a)intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4b553297ef3ee4dc2119d5429adf3072e90fac38)
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/?id=c2a228d69cef802cf6bfd773c84f8419d2e2acf9
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout c2a228d69cef802cf6bfd773c84f8419d2e2acf9
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
^
security/keys/trusted-keys/trusted_tpm1.c:59:3: note: '?' condition is true
pr_info("can't alloc %s\n", hash_alg);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:379:12: note: expanded from macro '__printk_index_emit'
.fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
^
security/keys/trusted-keys/trusted_tpm1.c:59:3: note: '?' condition is true
pr_info("can't alloc %s\n", hash_alg);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:383:14: note: expanded from macro '__printk_index_emit'
.level = __builtin_constant_p(_level) ? (_level) : NULL, \
^
security/keys/trusted-keys/trusted_tpm1.c:59:3: note: Loop condition is false. Exiting loop
pr_info("can't alloc %s\n", hash_alg);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:369:2: note: expanded from macro '__printk_index_emit'
do { \
^
security/keys/trusted-keys/trusted_tpm1.c:490:8: note: Returned allocated memory
ret = TSS_sha1(td->xorwork, SHA1_DIGEST_SIZE * 2, td->xorhash);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
security/keys/trusted-keys/trusted_tpm1.c:491:6: note: Assuming 'ret' is >= 0
if (ret < 0)
^~~~~~~
security/keys/trusted-keys/trusted_tpm1.c:491:2: note: Taking false branch
if (ret < 0)
^
security/keys/trusted-keys/trusted_tpm1.c:495:6: note: Assuming 'ret' is >= 0
if (ret < 0)
^~~~~~~
security/keys/trusted-keys/trusted_tpm1.c:495:2: note: Taking false branch
if (ret < 0)
^
security/keys/trusted-keys/trusted_tpm1.c:498:6: note: Potential memory leak
if (ret != TPM_NONCE_SIZE) {
^
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
11 warnings generated.
Suppressed 11 warnings (11 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
11 warnings generated.
Suppressed 11 warnings (11 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
12 warnings generated.
>> lib/test_bpf.c:63:8: warning: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal).
Optimal fields order:
descr,
fill_helper,
u,
expected_errcode,
stack_depth,
nr_testruns,
test,
aux,
data,
frag_data,
consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding]
struct bpf_test {
~~~~~~~^~~~~~~~~~
lib/test_bpf.c:63:8: note: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal). Optimal fields order: descr, fill_helper, u, expected_errcode, stack_depth, nr_testruns, test, aux, data, frag_data, consider reordering the fields or adding explicit padding members
struct bpf_test {
~~~~~~~^~~~~~~~~~
lib/test_bpf.c:8593:2: warning: Undefined or garbage value returned to caller [clang-analyzer-core.uninitialized.UndefReturn]
return fp;
^
lib/test_bpf.c:9242:6: note: Assuming 'ret' is >= 0
if (ret < 0)
^~~~~~~
lib/test_bpf.c:9242:2: note: Taking false branch
if (ret < 0)
^
lib/test_bpf.c:9245:8: note: Calling 'test_bpf'
ret = test_bpf();
^~~~~~~~~~
lib/test_bpf.c:8953:2: note: Loop condition is true. Entering loop body
for (i = 0; i < ARRAY_SIZE(tests); i++) {
^
lib/test_bpf.c:8958:3: note: Taking false branch
if (exclude_test(i))
^
lib/test_bpf.c:8961:3: note: Left side of '&&' is true
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:370:7: note: expanded from macro '__printk_index_emit'
if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
^
lib/test_bpf.c:8961:3: note: Taking true branch
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:370:3: note: expanded from macro '__printk_index_emit'
if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
^
lib/test_bpf.c:8961:3: note: '?' condition is true
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:379:12: note: expanded from macro '__printk_index_emit'
.fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
^
lib/test_bpf.c:8961:3: note: '?' condition is true
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:383:14: note: expanded from macro '__printk_index_emit'
.level = __builtin_constant_p(_level) ? (_level) : NULL, \
^
lib/test_bpf.c:8961:3: note: Loop condition is false. Exiting loop
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
vim +63 lib/test_bpf.c
10f18e0ba1ea7e Daniel Borkmann 2014-05-23 62
64a8946b447e41 Alexei Starovoitov 2014-05-08 @63 struct bpf_test {
64a8946b447e41 Alexei Starovoitov 2014-05-08 64 const char *descr;
64a8946b447e41 Alexei Starovoitov 2014-05-08 65 union {
64a8946b447e41 Alexei Starovoitov 2014-05-08 66 struct sock_filter insns[MAX_INSNS];
2695fb552cbef1 Alexei Starovoitov 2014-07-24 67 struct bpf_insn insns_int[MAX_INSNS];
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 68 struct {
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 69 void *insns;
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 70 unsigned int len;
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 71 } ptr;
ece80490e2c1ce Andrew Morton 2014-05-22 72 } u;
10f18e0ba1ea7e Daniel Borkmann 2014-05-23 73 __u8 aux;
64a8946b447e41 Alexei Starovoitov 2014-05-08 74 __u8 data[MAX_DATA];
64a8946b447e41 Alexei Starovoitov 2014-05-08 75 struct {
64a8946b447e41 Alexei Starovoitov 2014-05-08 76 int data_size;
64a8946b447e41 Alexei Starovoitov 2014-05-08 77 __u32 result;
64a8946b447e41 Alexei Starovoitov 2014-05-08 78 } test[MAX_SUBTESTS];
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 79 int (*fill_helper)(struct bpf_test *self);
09584b40674241 Yonghong Song 2018-02-02 80 int expected_errcode; /* used when FLAG_EXPECTED_FAIL is set in the aux */
bac142acb90e95 Nicolas Schichan 2015-08-04 81 __u8 frag_data[MAX_DATA];
105c03614bff2d Alexei Starovoitov 2017-05-30 82 int stack_depth; /* for eBPF only, since tests don't call verifier */
c2a228d69cef80 Johan Almbladh 2021-09-14 83 int nr_testruns; /* Custom run count, defaults to MAX_TESTRUNS if 0 */
64a8946b447e41 Alexei Starovoitov 2014-05-08 84 };
64a8946b447e41 Alexei Starovoitov 2014-05-08 85
:::::: The code@line 63 was first introduced by commit
:::::: 64a8946b447e418b4283c3573ef397980cca0cd8 net: filter: BPF testsuite
:::::: TO: Alexei Starovoitov <ast@plumgrid.com>
:::::: CC: David S. Miller <davem@davemloft.net>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 3+ messages in thread
* lib/test_bpf.c:63:8: warning: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal).
@ 2021-12-19 7:06 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2021-12-19 7:06 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 15272 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Johan Almbladh <johan.almbladh@anyfinetworks.com>
CC: Daniel Borkmann <daniel@iogearbox.net>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3f667b5d4053ad54aee13dab5c94f04ff75ddfdf
commit: c2a228d69cef802cf6bfd773c84f8419d2e2acf9 bpf/tests: Allow different number of runs per test case
date: 3 months ago
:::::: branch date: 10 hours ago
:::::: commit date: 3 months ago
config: x86_64-randconfig-c007-20211202 (https://download.01.org/0day-ci/archive/20211219/202112191454.P44eZGfz-lkp(a)intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4b553297ef3ee4dc2119d5429adf3072e90fac38)
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/?id=c2a228d69cef802cf6bfd773c84f8419d2e2acf9
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout c2a228d69cef802cf6bfd773c84f8419d2e2acf9
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
^~~~~
fs/pipe.c:1007:2: note: Taking true branch
if (!error) {
^
fs/pipe.c:1008:7: note: Assuming the condition is true
if (unlikely(copy_to_user(fildes, fd, sizeof(fd)))) {
^
include/linux/compiler.h:78:40: note: expanded from macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^~~~
fs/pipe.c:1008:3: note: Taking false branch
if (unlikely(copy_to_user(fildes, fd, sizeof(fd)))) {
^
fs/pipe.c:1016:4: note: 2nd function call argument is an uninitialized value
fd_install(fd[1], files[1]);
^ ~~~~~~~~
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
lib/list_sort.c:243:28: warning: Access to field 'prev' results in a dereference of a null pointer (loaded from variable 'pending') [clang-analyzer-core.NullDereference]
struct list_head *next = pending->prev;
^~~~~~~
lib/list_sort.c:187:40: note: 'pending' initialized to a null pointer value
struct list_head *list = head->next, *pending = NULL;
^~~~~~~
lib/list_sort.c:190:6: note: Assuming 'list' is not equal to field 'prev'
if (list == head->prev) /* Zero or one elements */
^~~~~~~~~~~~~~~~~~
lib/list_sort.c:190:2: note: Taking false branch
if (list == head->prev) /* Zero or one elements */
^
lib/list_sort.c:219:3: note: Loop condition is false. Execution continues on line 222
for (bits = count; bits & 1; bits >>= 1)
^
lib/list_sort.c:222:3: note: Taking false branch
if (likely(bits)) {
^
lib/list_sort.c:232:3: note: Null pointer value stored to field 'prev'
list->prev = pending;
^~~~~~~~~~~~~~~~~~~~
lib/list_sort.c:214:2: note: Loop condition is false. Exiting loop
do {
^
lib/list_sort.c:241:2: note: Null pointer value stored to 'pending'
pending = pending->prev;
^~~~~~~~~~~~~~~~~~~~~~~
lib/list_sort.c:242:2: note: Loop condition is true. Entering loop body
for (;;) {
^
lib/list_sort.c:243:28: note: Access to field 'prev' results in a dereference of a null pointer (loaded from variable 'pending')
struct list_head *next = pending->prev;
^~~~~~~
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
8 warnings generated.
drivers/video/backlight/qcom-wled.c:1124:3: warning: Value stored to 'rc' is never read [clang-analyzer-deadcode.DeadStores]
rc = regmap_update_bits(wled->regmap, addr,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/video/backlight/qcom-wled.c:1124:3: note: Value stored to 'rc' is never read
rc = regmap_update_bits(wled->regmap, addr,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
Suppressed 7 warnings (7 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
12 warnings generated.
>> lib/test_bpf.c:63:8: warning: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal).
Optimal fields order:
descr,
fill_helper,
u,
expected_errcode,
stack_depth,
nr_testruns,
test,
aux,
data,
frag_data,
consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding]
struct bpf_test {
~~~~~~~^~~~~~~~~~
lib/test_bpf.c:63:8: note: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal). Optimal fields order: descr, fill_helper, u, expected_errcode, stack_depth, nr_testruns, test, aux, data, frag_data, consider reordering the fields or adding explicit padding members
struct bpf_test {
~~~~~~~^~~~~~~~~~
lib/test_bpf.c:8593:2: warning: Undefined or garbage value returned to caller [clang-analyzer-core.uninitialized.UndefReturn]
return fp;
^
lib/test_bpf.c:9242:6: note: Assuming 'ret' is >= 0
if (ret < 0)
^~~~~~~
lib/test_bpf.c:9242:2: note: Taking false branch
if (ret < 0)
^
lib/test_bpf.c:9245:8: note: Calling 'test_bpf'
ret = test_bpf();
^~~~~~~~~~
lib/test_bpf.c:8953:2: note: Loop condition is true. Entering loop body
for (i = 0; i < ARRAY_SIZE(tests); i++) {
^
lib/test_bpf.c:8958:3: note: Taking false branch
if (exclude_test(i))
^
lib/test_bpf.c:8961:3: note: Left side of '&&' is true
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:370:7: note: expanded from macro '__printk_index_emit'
if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
^
lib/test_bpf.c:8961:3: note: Taking true branch
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:370:3: note: expanded from macro '__printk_index_emit'
if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
^
lib/test_bpf.c:8961:3: note: '?' condition is true
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:379:12: note: expanded from macro '__printk_index_emit'
.fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
^
lib/test_bpf.c:8961:3: note: '?' condition is true
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:383:14: note: expanded from macro '__printk_index_emit'
.level = __builtin_constant_p(_level) ? (_level) : NULL, \
^
lib/test_bpf.c:8961:3: note: Loop condition is false. Exiting loop
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
vim +63 lib/test_bpf.c
10f18e0ba1ea7e Daniel Borkmann 2014-05-23 62
64a8946b447e41 Alexei Starovoitov 2014-05-08 @63 struct bpf_test {
64a8946b447e41 Alexei Starovoitov 2014-05-08 64 const char *descr;
64a8946b447e41 Alexei Starovoitov 2014-05-08 65 union {
64a8946b447e41 Alexei Starovoitov 2014-05-08 66 struct sock_filter insns[MAX_INSNS];
2695fb552cbef1 Alexei Starovoitov 2014-07-24 67 struct bpf_insn insns_int[MAX_INSNS];
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 68 struct {
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 69 void *insns;
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 70 unsigned int len;
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 71 } ptr;
ece80490e2c1ce Andrew Morton 2014-05-22 72 } u;
10f18e0ba1ea7e Daniel Borkmann 2014-05-23 73 __u8 aux;
64a8946b447e41 Alexei Starovoitov 2014-05-08 74 __u8 data[MAX_DATA];
64a8946b447e41 Alexei Starovoitov 2014-05-08 75 struct {
64a8946b447e41 Alexei Starovoitov 2014-05-08 76 int data_size;
64a8946b447e41 Alexei Starovoitov 2014-05-08 77 __u32 result;
64a8946b447e41 Alexei Starovoitov 2014-05-08 78 } test[MAX_SUBTESTS];
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 79 int (*fill_helper)(struct bpf_test *self);
09584b40674241 Yonghong Song 2018-02-02 80 int expected_errcode; /* used when FLAG_EXPECTED_FAIL is set in the aux */
bac142acb90e95 Nicolas Schichan 2015-08-04 81 __u8 frag_data[MAX_DATA];
105c03614bff2d Alexei Starovoitov 2017-05-30 82 int stack_depth; /* for eBPF only, since tests don't call verifier */
c2a228d69cef80 Johan Almbladh 2021-09-14 83 int nr_testruns; /* Custom run count, defaults to MAX_TESTRUNS if 0 */
64a8946b447e41 Alexei Starovoitov 2014-05-08 84 };
64a8946b447e41 Alexei Starovoitov 2014-05-08 85
:::::: The code@line 63 was first introduced by commit
:::::: 64a8946b447e418b4283c3573ef397980cca0cd8 net: filter: BPF testsuite
:::::: TO: Alexei Starovoitov <ast@plumgrid.com>
:::::: CC: David S. Miller <davem@davemloft.net>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 3+ messages in thread
* lib/test_bpf.c:63:8: warning: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal).
@ 2022-03-14 11:29 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2022-03-14 11:29 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 16737 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Johan Almbladh <johan.almbladh@anyfinetworks.com>
CC: Daniel Borkmann <daniel@iogearbox.net>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 09688c0166e76ce2fb85e86b9d99be8b0084cdf9
commit: c2a228d69cef802cf6bfd773c84f8419d2e2acf9 bpf/tests: Allow different number of runs per test case
date: 6 months ago
:::::: branch date: 15 hours ago
:::::: commit date: 6 months ago
config: riscv-randconfig-c006-20220310 (https://download.01.org/0day-ci/archive/20220314/202203141908.tAeiWtmh-lkp(a)intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 276ca87382b8f16a65bddac700202924228982f6)
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
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c2a228d69cef802cf6bfd773c84f8419d2e2acf9
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout c2a228d69cef802cf6bfd773c84f8419d2e2acf9
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
^~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:967:6: note: Left side of '&&' is true
if (!result && powerplay_table->usDispClkDependencyTableOffset)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:967:17: note: Assuming field 'usDispClkDependencyTableOffset' is 0
if (!result && powerplay_table->usDispClkDependencyTableOffset)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:967:2: note: Taking false branch
if (!result && powerplay_table->usDispClkDependencyTableOffset)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:973:7: note: 'result' is 0
if (!result && powerplay_table->usDcefclkDependencyTableOffset)
^~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:973:6: note: Left side of '&&' is true
if (!result && powerplay_table->usDcefclkDependencyTableOffset)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:973:17: note: Assuming field 'usDcefclkDependencyTableOffset' is 0
if (!result && powerplay_table->usDcefclkDependencyTableOffset)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:973:2: note: Taking false branch
if (!result && powerplay_table->usDcefclkDependencyTableOffset)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:978:7: note: 'result' is 0
if (!result && powerplay_table->usMclkDependencyTableOffset)
^~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:978:6: note: Left side of '&&' is true
if (!result && powerplay_table->usMclkDependencyTableOffset)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:978:17: note: Assuming field 'usMclkDependencyTableOffset' is 0
if (!result && powerplay_table->usMclkDependencyTableOffset)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:978:2: note: Taking false branch
if (!result && powerplay_table->usMclkDependencyTableOffset)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:983:7: note: 'result' is 0
if (!result && powerplay_table->usPCIETableOffset)
^~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:983:6: note: Left side of '&&' is true
if (!result && powerplay_table->usPCIETableOffset)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:983:17: note: Assuming field 'usPCIETableOffset' is not equal to 0
if (!result && powerplay_table->usPCIETableOffset)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:983:2: note: Taking true branch
if (!result && powerplay_table->usPCIETableOffset)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:984:12: note: Calling 'get_pcie_table'
result = get_pcie_table(hwmgr,
^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:794:2: note: Assuming field 'ucNumEntries' is not equal to 0
PP_ASSERT_WITH_CODE(atom_pcie_table->ucNumEntries,
^
drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:39:7: note: expanded from macro 'PP_ASSERT_WITH_CODE'
if (!(cond)) { \
^~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:794:2: note: Taking false branch
PP_ASSERT_WITH_CODE(atom_pcie_table->ucNumEntries,
^
drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:39:3: note: expanded from macro 'PP_ASSERT_WITH_CODE'
if (!(cond)) { \
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:794:2: note: Loop condition is false. Exiting loop
PP_ASSERT_WITH_CODE(atom_pcie_table->ucNumEntries,
^
drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:38:2: note: expanded from macro 'PP_ASSERT_WITH_CODE'
do { \
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:798:15: note: Calling 'kzalloc'
pcie_table = kzalloc(struct_size(pcie_table, entries, atom_pcie_table->ucNumEntries),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/slab.h:721:9: note: Calling 'kmalloc'
return kmalloc(size, flags | __GFP_ZERO);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/slab.h:579:2: note: Taking false branch
if (__builtin_constant_p(size)) {
^
include/linux/slab.h:596:2: note: Returning pointer, which participates in a condition later
return __kmalloc(size, flags);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/slab.h:721:9: note: Returning from 'kmalloc'
return kmalloc(size, flags | __GFP_ZERO);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/slab.h:721:2: note: Returning pointer, which participates in a condition later
return kmalloc(size, flags | __GFP_ZERO);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:798:15: note: Returning from 'kzalloc'
pcie_table = kzalloc(struct_size(pcie_table, entries, atom_pcie_table->ucNumEntries),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:800:6: note: Assuming 'pcie_table' is non-null
if (!pcie_table)
^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:800:2: note: Taking false branch
if (!pcie_table)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:803:15: note: Access to field 'count' results in a dereference of a null pointer (loaded from field 'vdd_dep_on_sclk')
pcie_count = table_info->vdd_dep_on_sclk->count;
^ ~~~~~~~~~~~~~~~
Suppressed 10 warnings (9 in non-user code, 1 with check filters).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
>> lib/test_bpf.c:63:8: warning: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal).
Optimal fields order:
descr,
fill_helper,
u,
expected_errcode,
stack_depth,
nr_testruns,
test,
aux,
data,
frag_data,
consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding]
struct bpf_test {
~~~~~~~^~~~~~~~~~
lib/test_bpf.c:63:8: note: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal). Optimal fields order: descr, fill_helper, u, expected_errcode, stack_depth, nr_testruns, test, aux, data, frag_data, consider reordering the fields or adding explicit padding members
struct bpf_test {
~~~~~~~^~~~~~~~~~
lib/test_bpf.c:8593:2: warning: Undefined or garbage value returned to caller [clang-analyzer-core.uninitialized.UndefReturn]
return fp;
^
lib/test_bpf.c:9242:6: note: Assuming 'ret' is >= 0
if (ret < 0)
^~~~~~~
lib/test_bpf.c:9242:2: note: Taking false branch
if (ret < 0)
^
lib/test_bpf.c:9245:8: note: Calling 'test_bpf'
ret = test_bpf();
^~~~~~~~~~
lib/test_bpf.c:8953:2: note: Loop condition is true. Entering loop body
for (i = 0; i < ARRAY_SIZE(tests); i++) {
^
lib/test_bpf.c:8958:3: note: Taking false branch
if (exclude_test(i))
^
lib/test_bpf.c:8961:3: note: Loop condition is false. Exiting loop
pr_info("#%d %s ", i, tests[i].descr);
^
include/linux/printk.h:519:2: note: expanded from macro 'pr_info'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^
include/linux/printk.h:446:26: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap'
__printk_index_emit(_fmt, NULL, NULL); \
^
include/linux/printk.h:392:34: note: expanded from macro '__printk_index_emit'
#define __printk_index_emit(...) do {} while (0)
^
lib/test_bpf.c:8963:8: note: Calling 'generate_filter'
fp = generate_filter(i, &err);
^~~~~~~~~~~~~~~~~~~~~~~~
lib/test_bpf.c:8537:2: note: 'fp' declared without an initial value
struct bpf_prog *fp;
^~~~~~~~~~~~~~~~~~~
lib/test_bpf.c:8539:2: note: 'Default' branch taken. Execution continues on line 8592
switch (test_type) {
^
lib/test_bpf.c:8593:2: note: Undefined or garbage value returned to caller
return fp;
^ ~~
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (3 in non-user code, 1 with check filters).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
19 warnings generated.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1328:2: warning: Value stored to 'rd_buf_ptr' is never read [clang-analyzer-deadcode.DeadStores]
rd_buf_ptr += str_len;
^ ~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1328:2: note: Value stored to 'rd_buf_ptr' is never read
rd_buf_ptr += str_len;
^ ~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1515:2: warning: Value stored to 'rd_buf_ptr' is never read [clang-analyzer-deadcode.DeadStores]
rd_buf_ptr += str_len;
^ ~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1515:2: note: Value stored to 'rd_buf_ptr' is never read
rd_buf_ptr += str_len;
^ ~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1700:2: warning: Value stored to 'rd_buf_ptr' is never read [clang-analyzer-deadcode.DeadStores]
rd_buf_ptr += str_len;
^ ~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1700:2: note: Value stored to 'rd_buf_ptr' is never read
rd_buf_ptr += str_len;
^ ~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1881:2: warning: Value stored to 'rd_buf_ptr' is never read [clang-analyzer-deadcode.DeadStores]
rd_buf_ptr += str_len;
^ ~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1881:2: note: Value stored to 'rd_buf_ptr' is never read
rd_buf_ptr += str_len;
^ ~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2057:2: warning: Value stored to 'rd_buf_ptr' is never read [clang-analyzer-deadcode.DeadStores]
rd_buf_ptr += str_len;
vim +63 lib/test_bpf.c
10f18e0ba1ea7e Daniel Borkmann 2014-05-23 62
64a8946b447e41 Alexei Starovoitov 2014-05-08 @63 struct bpf_test {
64a8946b447e41 Alexei Starovoitov 2014-05-08 64 const char *descr;
64a8946b447e41 Alexei Starovoitov 2014-05-08 65 union {
64a8946b447e41 Alexei Starovoitov 2014-05-08 66 struct sock_filter insns[MAX_INSNS];
2695fb552cbef1 Alexei Starovoitov 2014-07-24 67 struct bpf_insn insns_int[MAX_INSNS];
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 68 struct {
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 69 void *insns;
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 70 unsigned int len;
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 71 } ptr;
ece80490e2c1ce Andrew Morton 2014-05-22 72 } u;
10f18e0ba1ea7e Daniel Borkmann 2014-05-23 73 __u8 aux;
64a8946b447e41 Alexei Starovoitov 2014-05-08 74 __u8 data[MAX_DATA];
64a8946b447e41 Alexei Starovoitov 2014-05-08 75 struct {
64a8946b447e41 Alexei Starovoitov 2014-05-08 76 int data_size;
64a8946b447e41 Alexei Starovoitov 2014-05-08 77 __u32 result;
64a8946b447e41 Alexei Starovoitov 2014-05-08 78 } test[MAX_SUBTESTS];
a4afd37b26f4b9 Daniel Borkmann 2015-05-13 79 int (*fill_helper)(struct bpf_test *self);
09584b40674241 Yonghong Song 2018-02-02 80 int expected_errcode; /* used when FLAG_EXPECTED_FAIL is set in the aux */
bac142acb90e95 Nicolas Schichan 2015-08-04 81 __u8 frag_data[MAX_DATA];
105c03614bff2d Alexei Starovoitov 2017-05-30 82 int stack_depth; /* for eBPF only, since tests don't call verifier */
c2a228d69cef80 Johan Almbladh 2021-09-14 83 int nr_testruns; /* Custom run count, defaults to MAX_TESTRUNS if 0 */
64a8946b447e41 Alexei Starovoitov 2014-05-08 84 };
64a8946b447e41 Alexei Starovoitov 2014-05-08 85
:::::: The code@line 63 was first introduced by commit
:::::: 64a8946b447e418b4283c3573ef397980cca0cd8 net: filter: BPF testsuite
:::::: TO: Alexei Starovoitov <ast@plumgrid.com>
:::::: CC: David S. Miller <davem@davemloft.net>
---
0-DAY CI Kernel Test Service
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-03-14 11:29 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2022-03-14 11:29 lib/test_bpf.c:63:8: warning: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal) kernel test robot
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2021-12-19 7:06 kernel test robot
2021-12-14 6:08 kernel test robot
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