selftests/mount_setattr/mount_setattr_test.c

10 #include <sys/mount.h>
21 #include <linux/mount.h>
230 	if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, 0))  in prepare_unpriv_mountns()
390 	ASSERT_EQ(mount("testing", "/tmp", "tmpfs", MS_NOATIME | MS_NODEV,  in FIXTURE_SETUP()
395 	ASSERT_EQ(mount("testing", "/tmp/B", "tmpfs", MS_NOATIME | MS_NODEV,  in FIXTURE_SETUP()
400 	ASSERT_EQ(mount("testing", "/tmp/B/BB", "tmpfs", MS_NOATIME | MS_NODEV,  in FIXTURE_SETUP()
403 	ASSERT_EQ(mount("testing", "/mnt", "tmpfs", MS_NOATIME | MS_NODEV,  in FIXTURE_SETUP()
408 	ASSERT_EQ(mount("testing", "/mnt/A", "tmpfs", MS_NOATIME | MS_NODEV,  in FIXTURE_SETUP()
413 	ASSERT_EQ(mount("/tmp", "/mnt/A/AA", NULL, MS_BIND | MS_REC, NULL), 0);  in FIXTURE_SETUP()
417 	ASSERT_EQ(mount("testing", "/mnt/B", "ramfs",  in FIXTURE_SETUP()
422 	ASSERT_EQ(mount("testing", "/tmp/B/BB", "devpts",  in FIXTURE_SETUP()
637 	 * in the middle and the mount options need to be unchanged.  in TEST_F()
685 	 * We're holding a fd open to a mount somwhere in the middle so this  in TEST_F()
686 	 * needs to fail somewhere in the middle. After this the mount options  in TEST_F()
916 	/* Try to change mount options from multiple threads. */  in TEST_F()
1006 	ASSERT_EQ(mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, 0), 0);  in FIXTURE_SETUP()
1011 	ASSERT_EQ(mount("testing", "/tmp", "tmpfs", MS_NOATIME | MS_NODEV,  in FIXTURE_SETUP()
1018 	ASSERT_EQ(mount("testing", "/tmp/B", "tmpfs", MS_NOATIME | MS_NODEV,  in FIXTURE_SETUP()
1025 	ASSERT_EQ(mount("testing", "/tmp/B/BB", "tmpfs", MS_NOATIME | MS_NODEV,  in FIXTURE_SETUP()
1028 	ASSERT_EQ(mount("testing", "/mnt", "tmpfs", MS_NOATIME | MS_NODEV,  in FIXTURE_SETUP()
1033 	ASSERT_EQ(mount("testing", "/mnt/A", "tmpfs", MS_NOATIME | MS_NODEV,  in FIXTURE_SETUP()
1038 	ASSERT_EQ(mount("/tmp", "/mnt/A/AA", NULL, MS_BIND | MS_REC, NULL), 0);  in FIXTURE_SETUP()
1042 	ASSERT_EQ(mount("testing", "/mnt/B", "ramfs",  in FIXTURE_SETUP()
1047 	ASSERT_EQ(mount("testing", "/tmp/B/BB", "devpts",  in FIXTURE_SETUP()
1056 	ASSERT_EQ(system("mount -o loop -t ext4 /mnt/C/ext4.img /mnt/D/"), 0);  in FIXTURE_SETUP()
1080 		TH_LOG("failure: created idmapped mount with negative fd");  in TEST_F()
1098 		TH_LOG("failure: created idmapped mount with too large fd value");  in TEST_F()
1121 		TH_LOG("failure: created idmapped mount with closed fd");  in TEST_F()
1233  * Validate that an attached mount in our mount namespace cannot be idmapped.
1234  * (The kernel enforces that the mount's mount namespace and the caller's mount
1262  * Validate that idmapping a mount is rejected if the mount's mount namespace
1263  * and our mount namespace don't match.
1264  * (The kernel enforces that the mount's mount namespace and the caller's mount
1295  * Validate that an attached mount in our mount namespace can be idmapped.
1315 	/* Changing mount properties on a detached mount. */  in TEST_F()
1325  * Validate that a detached mount not in our mount namespace can be idmapped.
1347 	/* Changing mount properties on a detached mount. */  in TEST_F()
1357  * Validate that currently changing the idmapping of an idmapped mount fails.
1383 	/* Change idmapping on a detached mount that is already idmapped. */  in TEST_F()
1417 	ASSERT_EQ(mount("testing", "/mnt/A", "ramfs", MS_NOATIME | MS_NODEV,  in TEST_F()
1422 	ASSERT_EQ(mount("/tmp", "/mnt/A/AA", NULL, MS_BIND | MS_REC, NULL), 0);  in TEST_F()