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authorLuis R. Rodriguez <mcgrof@kernel.org>2017-07-12 14:33:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-12 16:26:00 -0700
commit7c43a657a4beadeb6d2fe1a00732261e313a807f (patch)
tree136df4cf9e16868c81d502ca8b6f3284546c81c6 /lib
parent2920fad3a5d394b66011c7f35c7b05278354055e (diff)
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test_sysctl: test against int proc_dointvec() array support
Add a few initial respective tests for an array: o Echoing values separated by spaces works o Echoing only first elements will set first elements o Confirm PAGE_SIZE limit still applies even if an array is used Link: http://lkml.kernel.org/r/20170630224431.17374-7-mcgrof@kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/test_sysctl.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/test_sysctl.c b/lib/test_sysctl.c
index 53db3513ab08..3dd801c1c85b 100644
--- a/lib/test_sysctl.c
+++ b/lib/test_sysctl.c
@@ -42,6 +42,7 @@ static int i_one_hundred = 100;
struct test_sysctl_data {
int int_0001;
int int_0002;
+ int int_0003[4];
unsigned int uint_0001;
@@ -52,6 +53,11 @@ static struct test_sysctl_data test_data = {
.int_0001 = 60,
.int_0002 = 1,
+ .int_0003[0] = 0,
+ .int_0003[1] = 1,
+ .int_0003[2] = 2,
+ .int_0003[3] = 3,
+
.uint_0001 = 314,
.string_0001 = "(none)",
@@ -76,6 +82,13 @@ static struct ctl_table test_table[] = {
.proc_handler = proc_dointvec,
},
{
+ .procname = "int_0003",
+ .data = &test_data.int_0003,
+ .maxlen = sizeof(test_data.int_0003),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
.procname = "uint_0001",
.data = &test_data.uint_0001,
.maxlen = sizeof(unsigned int),