CPU: Prevent leakage of virtual addresses to kernel log

Kernel/Arch/i386/CPU.cpp

@@ -259,7 +259,7 @@ void page_fault_handler(RegisterState regs)
             return;
         }
 
-        klog() << "Unrecoverable page fault, "
+        dbg() << "Unrecoverable page fault, "
                << (regs.exception_code & PageFaultFlags::ReservedBitViolation ? "reserved bit violation / " : "")
                << (regs.exception_code & PageFaultFlags::InstructionFetch ? "instruction fetch / " : "")
                << (regs.exception_code & PageFaultFlags::Write ? "write to" : "read from")
@@ -271,19 +271,19 @@ void page_fault_handler(RegisterState regs)
         u32 slab_alloc_scrub_pattern = explode_byte(SLAB_ALLOC_SCRUB_BYTE);
         u32 slab_dealloc_scrub_pattern = explode_byte(SLAB_DEALLOC_SCRUB_BYTE);
         if ((fault_address & 0xffff0000) == (malloc_scrub_pattern & 0xffff0000)) {
-            klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be uninitialized malloc() memory";
+            dbg() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be uninitialized malloc() memory";
         } else if ((fault_address & 0xffff0000) == (free_scrub_pattern & 0xffff0000)) {
-            klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be recently free()'d memory";
+            dbg() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be recently free()'d memory";
         } else if ((fault_address & 0xffff0000) == (kmalloc_scrub_pattern & 0xffff0000)) {
-            klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be uninitialized kmalloc() memory";
+            dbg() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be uninitialized kmalloc() memory";
         } else if ((fault_address & 0xffff0000) == (kfree_scrub_pattern & 0xffff0000)) {
-            klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be recently kfree()'d memory";
+            dbg() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be recently kfree()'d memory";
         } else if ((fault_address & 0xffff0000) == (slab_alloc_scrub_pattern & 0xffff0000)) {
-            klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be uninitialized slab_alloc() memory";
+            dbg() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be uninitialized slab_alloc() memory";
         } else if ((fault_address & 0xffff0000) == (slab_dealloc_scrub_pattern & 0xffff0000)) {
-            klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be recently slab_dealloc()'d memory";
+            dbg() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be recently slab_dealloc()'d memory";
         } else if (fault_address < 4096) {
-            klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like a possible nullptr dereference";
+            dbg() << "Note: Address " << VirtualAddress(fault_address) << " looks like a possible nullptr dereference";
         }
 
         handle_crash(regs, "Page Fault", SIGSEGV);