fuzz-journal-remote: remove temporary files on exit

src/journal-remote/fuzz-journal-remote.c

@@ -13,13 +13,17 @@
 #include "journal-remote.h"
 #include "logs-show.h"
 #include "memfd-util.h"
+#include "path-util.h"
+#include "rm-rf.h"
 #include "strv.h"
+#include "tmpfile-util.h"
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
         int fdin;
         void *mem;
-        _cleanup_(unlink_tempfilep) char name[] = "/tmp/fuzz-journal-remote.XXXXXX.journal";
         _cleanup_close_ int fdout = -EBADF;
+        _cleanup_(rm_rf_physical_and_freep) char *tmp = NULL;
+        _cleanup_(unlink_and_freep) char *name = NULL;
         _cleanup_(sd_journal_closep) sd_journal *j = NULL;
         _cleanup_(journal_remote_server_destroy) RemoteServer s = {};
         int r;
@@ -30,6 +34,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
         if (!getenv("SYSTEMD_LOG_LEVEL"))
                 log_set_max_level(LOG_ERR);
 
+        assert_se(mkdtemp_malloc("/tmp/fuzz-journal-remote-XXXXXX", &tmp) >= 0);
+        assert_se(name = path_join(tmp, "fuzz-journal-remote.XXXXXX.journal"));
+
         fdin = memfd_new_and_map("fuzz-journal-remote", size, &mem);
         if (fdin < 0)
                 return log_error_errno(fdin, "memfd_new_and_map() failed: %m");