Kernel - Fixing bugs exposed with `qemu -nographic`

[tpg/acess2.git] / KernelLand / Kernel / arch / x86 / proc.c

diff --git a/KernelLand/Kernel/arch/x86/proc.c b/KernelLand/Kernel/arch/x86/proc.c
index 281b628..cd5316e 100644 (file)
--- a/KernelLand/Kernel/arch/x86/proc.c
+++ b/KernelLand/Kernel/arch/x86/proc.c
@@ -863,6 +863,10 @@ void Proc_DumpThreadCPUState(tThread *Thread)
                __asm__ __volatile__ ("mov %%ebp, %0" : "=r" (stack));
                while( maxBacktraceDistance -- )
                {
+                       if( !CheckMem(stack, 8) ) {
+                               regs = NULL;
+                               break;
+                       }
                        // [ebp] = oldEbp
                        // [ebp+4] = retaddr