From 3e6840a74cf2203223058d4fa1e0a0e4784cbd70 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Tue, 25 Oct 2022 17:47:18 -0400
Subject: [PATCH] arm_interface: curb infinite recursion in stacktrace
generation
---
src/core/arm/dynarmic/arm_dynarmic_32.cpp | 2 +-
src/core/arm/dynarmic/arm_dynarmic_64.cpp | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
index d1e70f19d6..287ba102e6 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
@@ -450,7 +450,7 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktrace(Core::S
// Frame records are two words long:
// fp+0 : pointer to previous frame record
// fp+4 : value of lr for frame
- while (true) {
+ for (size_t i = 0; i < 256; i++) {
out.push_back({"", 0, lr, 0, ""});
if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 8)) {
break;
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index 22b5d56568..afb7fb3a00 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -517,7 +517,7 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace(Core::S
// Frame records are two words long:
// fp+0 : pointer to previous frame record
// fp+8 : value of lr for frame
- while (true) {
+ for (size_t i = 0; i < 256; i++) {
out.push_back({"", 0, lr, 0, ""});
if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 16)) {
break;