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namespace: fix MAC labels of TemporaryFileSystem=
Reproducible with: systemd-run -p TemporaryFileSystem=/root -t /bin/bash ls -dZ /root Prior: root:object_r:tmpfs_t:s0 /root Past: root:object_r:user_home_dir_t:s0 /root
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@ -860,15 +860,23 @@ static int mount_procfs(const MountEntry *m) {
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}
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static int mount_tmpfs(const MountEntry *m) {
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int r;
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const char *entry_path = mount_entry_path(m);
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const char *source_path = m->path_const;
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assert(m);
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/* First, get rid of everything that is below if there is anything. Then, overmount with our new tmpfs */
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(void) mkdir_p_label(mount_entry_path(m), 0755);
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(void) umount_recursive(mount_entry_path(m), 0);
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(void) mkdir_p_label(entry_path, 0755);
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(void) umount_recursive(entry_path, 0);
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if (mount("tmpfs", mount_entry_path(m), "tmpfs", m->flags, mount_entry_options(m)) < 0)
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return log_debug_errno(errno, "Failed to mount %s: %m", mount_entry_path(m));
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if (mount("tmpfs", entry_path, "tmpfs", m->flags, mount_entry_options(m)) < 0)
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return log_debug_errno(errno, "Failed to mount %s: %m", entry_path);
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r = label_fix_container(entry_path, source_path, 0);
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if (r < 0)
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return log_error_errno(r, "Failed to fix label of '%s' as '%s': %m", entry_path, source_path);
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return 1;
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}
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