Index: kernel/arch/mips32/src/debug/stacktrace.c
===================================================================
--- kernel/arch/mips32/src/debug/stacktrace.c	(revision 0c39b96f240cc84cb85e0065c8c0d871185a2afc)
+++ kernel/arch/mips32/src/debug/stacktrace.c	(revision 343f2b7e55f33f8b26c6b7edf2c502e28a9f455a)
@@ -96,4 +96,10 @@
 extern char ktext_end;
 
+static bool bounds_check(uintptr_t pc)
+{
+	return (pc >= (uintptr_t) &ktext_start) &&
+	    (pc < (uintptr_t) &ktext_end);
+}
+
 static bool
 scan(stack_trace_context_t *ctx, uintptr_t *prev_fp, uintptr_t *prev_ra)
@@ -106,4 +112,6 @@
 	do {
 		inst--;
+		if (!bounds_check((uintptr_t) inst))
+			return false;
 #if 0
 		/*
@@ -207,6 +215,5 @@
 {
 	return !((ctx->fp == 0) || ((ctx->fp % 8) != 0) ||
-	    (ctx->pc % 4 != 0) || (ctx->pc < (uintptr_t) &ktext_start) ||
-	    (ctx->pc >= (uintptr_t) &ktext_end));
+	    (ctx->pc % 4 != 0) || !bounds_check(ctx->pc));
 }