diff --git a/Kernel/Process.cpp b/Kernel/Process.cpp index efadbc752d..4889335e9b 100644 --- a/Kernel/Process.cpp +++ b/Kernel/Process.cpp @@ -1371,6 +1371,8 @@ static KernelMemoryCheckResult check_kernel_memory_access(LinearAddress laddr, b bool Process::validate_read_from_kernel(LinearAddress laddr) const { + if (laddr.is_null()) + return false; // We check extra carefully here since the first 4MB of the address space is identity-mapped. // This code allows access outside of the known used address ranges to get caught. auto kmc_result = check_kernel_memory_access(laddr, false);