From: Adam Borowski <kilobyte@angband.pl> mainline inclusion from mainline-5.15-rc3 commit 892ab4bbd063cfe7f6bbb183e6be69d9907a61de category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4GVMK CVE: NA ------------------------------------------------- gcc knows the true length too, and rightfully complains. Link: https://lkml.kernel.org/r/20210912204447.10427-1-kilobyte@angband.pl Signed-off-by: Adam Borowski <kilobyte@angband.pl> Cc: SeongJae Park <sj38.park@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> (cherry picked from commit 892ab4bbd063cfe7f6bbb183e6be69d9907a61de) Signed-off-by: Yue Zou <zouyue3@huawei.com> Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- mm/damon/dbgfs-test.h | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/mm/damon/dbgfs-test.h b/mm/damon/dbgfs-test.h index 930e83bceef0..4eddcfa73996 100644 --- a/mm/damon/dbgfs-test.h +++ b/mm/damon/dbgfs-test.h @@ -20,27 +20,27 @@ static void damon_dbgfs_test_str_to_target_ids(struct kunit *test) ssize_t nr_integers = 0, i; question = "123"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)1, nr_integers); KUNIT_EXPECT_EQ(test, 123ul, answers[0]); kfree(answers); question = "123abc"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)1, nr_integers); KUNIT_EXPECT_EQ(test, 123ul, answers[0]); kfree(answers); question = "a123"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers); kfree(answers); question = "12 35"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)2, nr_integers); for (i = 0; i < nr_integers; i++) @@ -48,7 +48,7 @@ static void damon_dbgfs_test_str_to_target_ids(struct kunit *test) kfree(answers); question = "12 35 46"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)3, nr_integers); for (i = 0; i < nr_integers; i++) @@ -56,7 +56,7 @@ static void damon_dbgfs_test_str_to_target_ids(struct kunit *test) kfree(answers); question = "12 35 abc 46"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)2, nr_integers); for (i = 0; i < 2; i++) @@ -64,13 +64,13 @@ static void damon_dbgfs_test_str_to_target_ids(struct kunit *test) kfree(answers); question = ""; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers); kfree(answers); question = "\n"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers); kfree(answers); -- 2.20.1