selftests: openat2: add RESOLVE_ conflict test

Now that we reject conflicting RESOLVE_ flags, add a selftest to avoid regressions.

Aleksa Sarai committed 6 years ago

Commit 4e62d551 parent 398840f1 file · +7 −1Browse files

Unified · Split

@@ -155,7 +155,7 @@ struct flag_test { · 154 unmodified lines
155	155	int err;
156	156	};
157	157
158		−#define NUM_OPENAT2_FLAG_TESTS 23
	158	+#define NUM_OPENAT2_FLAG_TESTS 24
159	159
160	160	void test_openat2_flags(void)
161	161	{
@@ -210,6 +210,12 @@ void test_openat2_flags(void) · 48 unmodified lines
210	210	.how.flags = O_TMPFILE \| O_RDWR,
211	211	.how.mode = 0x0000A00000000000ULL, .err = -EINVAL },
212	212
	213	+ /* ->resolve flags must not conflict. */
	214	+ { .name = "incompatible resolve flags (BENEATH \| IN_ROOT)",
	215	+ .how.flags = O_RDONLY,
	216	+ .how.resolve = RESOLVE_BENEATH \| RESOLVE_IN_ROOT,
	217	+ .err = -EINVAL },
	218	+
213	219	/* ->resolve must only contain RESOLVE_* flags. */
214	220	{ .name = "invalid how.resolve and O_RDONLY",
215	221	.how.flags = O_RDONLY,

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