From 977189174b709d02ca3ec05127c16b63bd665946 Mon Sep 17 00:00:00 2001
From: Wim de With <wf@dewith.io>
Date: Fri, 25 Apr 2025 23:08:30 +0200
Subject: [PATCH] librasan: Fix errno_location function name (#3172)

---
 libafl_qemu/librasan/asan/src/maps/libc.rs | 2 +-
 libafl_qemu/librasan/asan/src/mmap/libc.rs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libafl_qemu/librasan/asan/src/maps/libc.rs b/libafl_qemu/librasan/asan/src/maps/libc.rs
index ce5b6a9c5c..e60460df6e 100644
--- a/libafl_qemu/librasan/asan/src/maps/libc.rs
+++ b/libafl_qemu/librasan/asan/src/maps/libc.rs
@@ -45,7 +45,7 @@ struct FunctionErrnoLocation;
 
 impl Function for FunctionErrnoLocation {
     type Func = unsafe extern "C" fn() -> *mut c_int;
-    const NAME: &'static CStr = c"errno_location";
+    const NAME: &'static CStr = c"__errno_location";
 }
 
 static OPEN_ADDR: AtomicGuestAddr = AtomicGuestAddr::new();
diff --git a/libafl_qemu/librasan/asan/src/mmap/libc.rs b/libafl_qemu/librasan/asan/src/mmap/libc.rs
index 6b929bb985..84bf1661fc 100644
--- a/libafl_qemu/librasan/asan/src/mmap/libc.rs
+++ b/libafl_qemu/librasan/asan/src/mmap/libc.rs
@@ -55,7 +55,7 @@ struct FunctionErrnoLocation;
 
 impl Function for FunctionErrnoLocation {
     type Func = unsafe extern "C" fn() -> *mut c_int;
-    const NAME: &'static CStr = c"errno_location";
+    const NAME: &'static CStr = c"__errno_location";
 }
 
 #[derive(Debug)]