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From 160e8eb4496104a1d0ed77649af7e8bb679252f9 Mon Sep 17 00:00:00 2001
From: nicole mazzuca <nicole@strega-nil.co>
Date: Fri, 13 Oct 2023 08:47:23 -0700
Subject: [PATCH] [ASan] Recognize lea r10, [rip + XX] (#68910)
This instruction is present in memcpy in the latest vcruntime
This PR has been opened for @AndrewDeanMS (a teammate inside Microsoft)
who made the PR to our internal branch.
Co-authored-by: Andrew Dean <Andrew.Dean@microsoft.com>
---
compiler-rt/lib/interception/interception_win.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/compiler-rt/lib/interception/interception_win.cpp b/compiler-rt/lib/interception/interception_win.cpp
index d57afa3fda7b..1b681ada37b1 100644
--- a/compiler-rt/lib/interception/interception_win.cpp
+++ b/compiler-rt/lib/interception/interception_win.cpp
@@ -624,7 +624,7 @@ static size_t GetInstructionSize(uptr address, size_t* rel_offset = nullptr) {
// mov rax, QWORD PTR [rip + XXXXXXXX]
case 0x25ff48: // 48 ff 25 XX XX XX XX :
// rex.W jmp QWORD PTR [rip + XXXXXXXX]
-
+ case 0x158D4C: // 4c 8d 15 XX XX XX XX : lea r10, [rip + XX]
// Instructions having offset relative to 'rip' need offset adjustment.
if (rel_offset)
*rel_offset = 3;
--
2.44.0.1.g9765aa7075