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authorChristian Brauner <[email protected]>2021-05-28 11:24:17 +0200
committerChristian Brauner <[email protected]>2021-05-28 17:44:37 +0200
commit15845cbcd12a571869c6703892427f9e5839d5fb (patch)
treea60882136c149b4352b88ece7417404bd71f977a
parentcfe80306a0dd6d363934913e47c3f30d71b721e5 (diff)
test: add openat2() test for invalid upper 32 bit flag value
Test that openat2() rejects unknown flags in the upper 32 bit range. Link: https://lore.kernel.org/r/[email protected] Cc: Richard Guy Briggs <[email protected]> Cc: Aleksa Sarai <[email protected]> Cc: [email protected] Reviewed-by: Richard Guy Briggs <[email protected]> Signed-off-by: Christian Brauner <[email protected]>
-rw-r--r--tools/testing/selftests/openat2/openat2_test.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/testing/selftests/openat2/openat2_test.c b/tools/testing/selftests/openat2/openat2_test.c
index 381d874cce99..d7ec1e7da0d0 100644
--- a/tools/testing/selftests/openat2/openat2_test.c
+++ b/tools/testing/selftests/openat2/openat2_test.c
@@ -155,7 +155,7 @@ struct flag_test {
int err;
};
-#define NUM_OPENAT2_FLAG_TESTS 24
+#define NUM_OPENAT2_FLAG_TESTS 25
void test_openat2_flags(void)
{
@@ -229,6 +229,11 @@ void test_openat2_flags(void)
{ .name = "invalid how.resolve and O_PATH",
.how.flags = O_PATH,
.how.resolve = 0x1337, .err = -EINVAL },
+
+ /* currently unknown upper 32 bit rejected. */
+ { .name = "currently unknown bit (1 << 63)",
+ .how.flags = O_RDONLY | (1ULL << 63),
+ .how.resolve = 0, .err = -EINVAL },
};
BUILD_BUG_ON(ARRAY_LEN(tests) != NUM_OPENAT2_FLAG_TESTS);