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2024-10-28selftests/mount_setattr: fix idmap_mount_tree_invalid failed to runzhouyuhang1-0/+9
Test case idmap_mount_tree_invalid failed to run on the newer kernel with the following output: # RUN mount_setattr_idmapped.idmap_mount_tree_invalid ... # mount_setattr_test.c:1428:idmap_mount_tree_invalid:Expected sys_mount_setattr(open_tree_fd, "", AT_EMPTY_PATH, &attr, sizeof(attr)) (0) ! = 0 (0) # idmap_mount_tree_invalid: Test terminated by assertion This is because tmpfs is mounted at "/mnt/A", and tmpfs already contains the flag FS_ALLOW_IDMAP after the commit 7a80e5b8c6fa ("shmem: support idmapped mounts for tmpfs"). So calling sys_mount_setattr here returns 0 instead of -EINVAL as expected. Ramfs does not support idmap mounts, so we can use it here to test invalid mounts, which allows the test case to pass with the following output: # Starting 1 tests from 1 test cases. # RUN mount_setattr_idmapped.idmap_mount_tree_invalid ... # OK mount_setattr_idmapped.idmap_mount_tree_invalid ok 1 mount_setattr_idmapped.idmap_mount_tree_invalid # PASSED: 1 / 1 tests passed. Link: https://lore.kernel.org/all/[email protected]/ Signed-off-by: zhouyuhang <[email protected]> Reviewed-by: Christian Brauner <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-03-31selftests mount: Fix mount_setattr_test builds failedAnh Tuan Phan1-0/+1
When compiling selftests with target mount_setattr I encountered some errors with the below messages: mount_setattr_test.c: In function ‘mount_setattr_thread’: mount_setattr_test.c:343:16: error: variable ‘attr’ has initializer but incomplete type 343 | struct mount_attr attr = { | ^~~~~~~~~~ These errors might be because of linux/mount.h is not included. This patch resolves that issue. Signed-off-by: Anh Tuan Phan <[email protected]> Acked-by: Christian Brauner <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-02-13selftests/mount_setattr: fix to make run_tests failureShuah Khan1-1/+1
make run_tests doesn't run the test. Fix Makefile to set TEST_GEN_PROGS instead of TEST_GEN_FILES to fix the problem. run_tests runs TEST_GEN_PROGS, TEST_CUSTOM_PROGS, and TEST_PROGS. TEST_GEN_FILES is for files generated by tests. Signed-off-by: Shuah Khan <[email protected]>
2023-02-13selftests/mount_setattr: fix redefine struct mount_attr build errorShuah Khan1-7/+0
Fix the following build error due to redefining struct mount_attr by removing duplicate define from mount_setattr_test.c gcc -g -isystem .../tools/testing/selftests/../../../usr/include -Wall -O2 -pthread mount_setattr_test.c -o .../tools/testing/selftests/mount_setattr/mount_setattr_test mount_setattr_test.c:107:8: error: redefinition of ‘struct mount_attr’ 107 | struct mount_attr { | ^~~~~~~~~~ In file included from /usr/include/x86_64-linux-gnu/sys/mount.h:32, from mount_setattr_test.c:10: .../usr/include/linux/mount.h:129:8: note: originally defined here 129 | struct mount_attr { | ^~~~~~~~~~ make: *** [../lib.mk:145: .../tools/testing/selftests/mount_setattr/mount_setattr_test] Error 1 Signed-off-by: Shuah Khan <[email protected]>
2023-02-13selftests: mount_setattr: Fix incorrect kernel headers search pathMathieu Desnoyers1-1/+1
Use $(KHDR_INCLUDES) as lookup path for kernel headers. This prevents building against kernel headers from the build environment in scenarios where kernel headers are installed into a specific output directory (O=...). Signed-off-by: Mathieu Desnoyers <[email protected]> Cc: Shuah Khan <[email protected]> Cc: [email protected] Cc: Ingo Molnar <[email protected]> Cc: <[email protected]> # 5.18+ Signed-off-by: Shuah Khan <[email protected]>
2022-02-11tests: fix idmapped mount_setattr testChristian Brauner1-2/+2
The test treated zero as a successful run when it really should treat non-zero as a successful run. A mount's idmapping can't change once it has been attached to the filesystem. Link: https://lore.kernel.org/r/[email protected] Fixes: 01eadc8dd96d ("tests: add mount_setattr() selftests") Cc: Seth Forshee <[email protected]> Cc: Christoph Hellwig <[email protected]> Cc: [email protected] Reviewed-by: Christoph Hellwig <[email protected]> Signed-off-by: Christian Brauner <[email protected]>
2021-06-01tests: test MOUNT_ATTR_NOSYMFOLLOW with mount_setattr()Christian Brauner1-3/+85
Add tests to verify that MOUNT_ATTR_NOSYMFOLLOW is honored. Cc: Christoph Hellwig <[email protected]> Cc: Mattias Nissler <[email protected]> Cc: Aleksa Sarai <[email protected]> Cc: Al Viro <[email protected]> Cc: Ross Zwisler <[email protected]> Signed-off-by: Christian Brauner <[email protected]>
2021-01-24tests: add mount_setattr() selftestsChristian Brauner4-0/+1433
Add a range of selftests for the new mount_setattr() syscall to verify that it works as expected. This tests that: - no invalid flags can be specified - changing properties of a single mount works and leaves other mounts in the mount tree unchanged - changing a mount tre to read-only when one of the mounts has writers fails and leaves the whole mount tree unchanged - changing mount properties from multiple threads works - changing atime settings works - changing mount propagation works - changing the mount options of a mount tree where the individual mounts in the tree have different mount options only changes the flags that were requested to change - changing mount options from another mount namespace fails - changing mount options from another user namespace fails - idmapped mounts Note, the main test-suite for idmapped mounts is part of xfstests and is pretty huge. These tests here just make sure that the syscalls bits work correctly. TAP version 13 1..20 # Starting 20 tests from 3 test cases. # RUN mount_setattr.invalid_attributes ... # OK mount_setattr.invalid_attributes ok 1 mount_setattr.invalid_attributes # RUN mount_setattr.extensibility ... # OK mount_setattr.extensibility ok 2 mount_setattr.extensibility # RUN mount_setattr.basic ... # OK mount_setattr.basic ok 3 mount_setattr.basic # RUN mount_setattr.basic_recursive ... # OK mount_setattr.basic_recursive ok 4 mount_setattr.basic_recursive # RUN mount_setattr.mount_has_writers ... # OK mount_setattr.mount_has_writers ok 5 mount_setattr.mount_has_writers # RUN mount_setattr.mixed_mount_options ... # OK mount_setattr.mixed_mount_options ok 6 mount_setattr.mixed_mount_options # RUN mount_setattr.time_changes ... # OK mount_setattr.time_changes ok 7 mount_setattr.time_changes # RUN mount_setattr.multi_threaded ... # OK mount_setattr.multi_threaded ok 8 mount_setattr.multi_threaded # RUN mount_setattr.wrong_user_namespace ... # OK mount_setattr.wrong_user_namespace ok 9 mount_setattr.wrong_user_namespace # RUN mount_setattr.wrong_mount_namespace ... # OK mount_setattr.wrong_mount_namespace ok 10 mount_setattr.wrong_mount_namespace # RUN mount_setattr_idmapped.invalid_fd_negative ... # OK mount_setattr_idmapped.invalid_fd_negative ok 11 mount_setattr_idmapped.invalid_fd_negative # RUN mount_setattr_idmapped.invalid_fd_large ... # OK mount_setattr_idmapped.invalid_fd_large ok 12 mount_setattr_idmapped.invalid_fd_large # RUN mount_setattr_idmapped.invalid_fd_closed ... # OK mount_setattr_idmapped.invalid_fd_closed ok 13 mount_setattr_idmapped.invalid_fd_closed # RUN mount_setattr_idmapped.invalid_fd_initial_userns ... # OK mount_setattr_idmapped.invalid_fd_initial_userns ok 14 mount_setattr_idmapped.invalid_fd_initial_userns # RUN mount_setattr_idmapped.attached_mount_inside_current_mount_namespace ... # OK mount_setattr_idmapped.attached_mount_inside_current_mount_namespace ok 15 mount_setattr_idmapped.attached_mount_inside_current_mount_namespace # RUN mount_setattr_idmapped.attached_mount_outside_current_mount_namespace ... # OK mount_setattr_idmapped.attached_mount_outside_current_mount_namespace ok 16 mount_setattr_idmapped.attached_mount_outside_current_mount_namespace # RUN mount_setattr_idmapped.detached_mount_inside_current_mount_namespace ... # OK mount_setattr_idmapped.detached_mount_inside_current_mount_namespace ok 17 mount_setattr_idmapped.detached_mount_inside_current_mount_namespace # RUN mount_setattr_idmapped.detached_mount_outside_current_mount_namespace ... # OK mount_setattr_idmapped.detached_mount_outside_current_mount_namespace ok 18 mount_setattr_idmapped.detached_mount_outside_current_mount_namespace # RUN mount_setattr_idmapped.change_idmapping ... # OK mount_setattr_idmapped.change_idmapping ok 19 mount_setattr_idmapped.change_idmapping # RUN mount_setattr_idmapped.idmap_mount_tree_invalid ... # OK mount_setattr_idmapped.idmap_mount_tree_invalid ok 20 mount_setattr_idmapped.idmap_mount_tree_invalid # PASSED: 20 / 20 tests passed. # Totals: pass:20 fail:0 xfail:0 xpass:0 skip:0 error:0 Link: https://lore.kernel.org/r/[email protected] Cc: Christoph Hellwig <[email protected]> Cc: David Howells <[email protected]> Cc: Al Viro <[email protected]> Cc: [email protected] Signed-off-by: Christian Brauner <[email protected]>
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