diff --git a/Kernel/Thread.cpp b/Kernel/Thread.cpp
index 9fb87b9cba..31e15d17b9 100644
--- a/Kernel/Thread.cpp
+++ b/Kernel/Thread.cpp
@@ -706,7 +706,6 @@ String Thread::backtrace_impl() const
         start_frame = frame_ptr();
     }
 
-    SmapDisabler disabler;
     auto& process = const_cast<Process&>(this->process());
     ProcessPagingScope paging_scope(process);
     struct RecognizedSymbol {
@@ -717,11 +716,14 @@ String Thread::backtrace_impl() const
     Vector<RecognizedSymbol, 128> recognized_symbols;
     if (current != this)
         recognized_symbols.append({ tss().eip, ksymbolicate(tss().eip) });
-    for (u32* stack_ptr = (u32*)start_frame; process.validate_read_from_kernel(VirtualAddress((u32)stack_ptr), sizeof(void*) * 2); stack_ptr = (u32*)*stack_ptr) {
-        u32 retaddr = stack_ptr[1];
-        recognized_symbols.append({ retaddr, ksymbolicate(retaddr) });
-        if (recognized_symbols.size() == 256)
+    u32 stack_ptr = start_frame;
+    for (;;) {
+        if (!process.validate_read_from_kernel(VirtualAddress((u32)stack_ptr), sizeof(void*) * 2))
             break;
+        u32 retaddr;
+        copy_from_user(&retaddr, &((u32*)stack_ptr)[1]);
+        recognized_symbols.append({ retaddr, ksymbolicate(retaddr) });
+        copy_from_user(&stack_ptr, (u32*)stack_ptr);
     }
 
     bool mask_kernel_addresses = !current->process().is_superuser();