Kernel: Pass full path of output coredump file to CoreDump

Author: https://github.com/itamar8910
Commit: 39890af833
Pull-request: https://github.com/SerenityOS/serenity/pull/3738
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/awesomekling

Kernel/Process.cpp

@@ -589,7 +589,9 @@ void Process::finalize()
 
     if (m_should_dump_core) {
         dbgln("Generating coredump for pid: {}", m_pid.value());
-        auto coredump = CoreDump::create(*this);
+
+        auto coredump_path = String::format("/tmp/coredump/%s_%u", name().characters(), RTC::now());
+        auto coredump = CoreDump::create(*this, LexicalPath { coredump_path });
         if (!coredump) {
             dbgln("Could not create coredump");
         }