Random list corruption while doing kexec load results in __list_del_entry corruption warning

Issue

• Random list corruption while doing kexec load (ie. kexec -l) results in __list_del_entry() corruption warnings (and eventually a panic).

  WARNING: CPU: 5 PID: 1877 at lib/list_debug.c:62 __list_del_entry+0x82/0xd0
  list_del corruption. next->prev should be fffff12a598ccea0, but was           (null)
  ...
  WARNING: CPU: 5 PID: 1877 at lib/list_debug.c:53 __list_del_entry+0x63/0xd0
  list_del corruption, fffff12a598ccea0->next is LIST_POISON1 (dead000000000100)