When ext4 is used with quota support the test fails with EINVAL because it is run after we idmapped the mount. If the caller's fs{g,u}ids aren't mapped then we fail and log a misleading error. Move the checks for tmpfile support right at the beginning of the test in all tests. Reported-by: Luis Henriques <lhenriques@xxxxxxx> Link: https://lore.kernel.org/r/20240222-knast-reifen-953312ce17a9@brauner Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx> --- src/vfs/idmapped-mounts.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/src/vfs/idmapped-mounts.c b/src/vfs/idmapped-mounts.c index 547182fe..e490f3d7 100644 --- a/src/vfs/idmapped-mounts.c +++ b/src/vfs/idmapped-mounts.c @@ -3815,6 +3815,8 @@ int tcore_setgid_create_idmapped(const struct vfstest_info *info) goto out; } + supported = openat_tmpfile_supported(info->t_dir1_fd); + /* Changing mount properties on a detached mount. */ attr.userns_fd = get_userns_fd(0, 10000, 10000); if (attr.userns_fd < 0) { @@ -3838,8 +3840,6 @@ int tcore_setgid_create_idmapped(const struct vfstest_info *info) goto out; } - supported = openat_tmpfile_supported(open_tree_fd); - pid = fork(); if (pid < 0) { log_stderr("failure: fork"); @@ -3991,6 +3991,8 @@ int tcore_setgid_create_idmapped_in_userns(const struct vfstest_info *info) goto out; } + supported = openat_tmpfile_supported(info->t_dir1_fd); + /* Changing mount properties on a detached mount. */ attr.userns_fd = get_userns_fd(0, 10000, 10000); if (attr.userns_fd < 0) { @@ -4014,8 +4016,6 @@ int tcore_setgid_create_idmapped_in_userns(const struct vfstest_info *info) goto out; } - supported = openat_tmpfile_supported(open_tree_fd); - pid = fork(); if (pid < 0) { log_stderr("failure: fork"); @@ -7715,6 +7715,8 @@ static int setgid_create_umask_idmapped(const struct vfstest_info *info) goto out; } + supported = openat_tmpfile_supported(info->t_dir1_fd); + /* Changing mount properties on a detached mount. */ attr.userns_fd = get_userns_fd(0, 10000, 10000); if (attr.userns_fd < 0) { @@ -7738,8 +7740,6 @@ static int setgid_create_umask_idmapped(const struct vfstest_info *info) goto out; } - supported = openat_tmpfile_supported(open_tree_fd); - pid = fork(); if (pid < 0) { log_stderr("failure: fork"); @@ -7929,6 +7929,8 @@ static int setgid_create_umask_idmapped_in_userns(const struct vfstest_info *inf goto out; } + supported = openat_tmpfile_supported(info->t_dir1_fd); + /* Changing mount properties on a detached mount. */ attr.userns_fd = get_userns_fd(0, 10000, 10000); if (attr.userns_fd < 0) { @@ -7952,8 +7954,6 @@ static int setgid_create_umask_idmapped_in_userns(const struct vfstest_info *inf goto out; } - supported = openat_tmpfile_supported(open_tree_fd); - /* * Below we verify that setgid inheritance for a newly created file or * directory works correctly. As part of this we need to verify that @@ -8163,6 +8163,8 @@ static int setgid_create_acl_idmapped(const struct vfstest_info *info) goto out; } + supported = openat_tmpfile_supported(info->t_dir1_fd); + /* Changing mount properties on a detached mount. */ attr.userns_fd = get_userns_fd(0, 10000, 10000); if (attr.userns_fd < 0) { @@ -8186,8 +8188,6 @@ static int setgid_create_acl_idmapped(const struct vfstest_info *info) goto out; } - supported = openat_tmpfile_supported(open_tree_fd); - pid = fork(); if (pid < 0) { log_stderr("failure: fork"); @@ -8518,6 +8518,8 @@ static int setgid_create_acl_idmapped_in_userns(const struct vfstest_info *info) goto out; } + supported = openat_tmpfile_supported(info->t_dir1_fd); + /* Changing mount properties on a detached mount. */ attr.userns_fd = get_userns_fd(0, 10000, 10000); if (attr.userns_fd < 0) { @@ -8541,8 +8543,6 @@ static int setgid_create_acl_idmapped_in_userns(const struct vfstest_info *info) goto out; } - supported = openat_tmpfile_supported(open_tree_fd); - /* * Below we verify that setgid inheritance for a newly created file or * directory works correctly. As part of this we need to verify that -- 2.43.0