commit 4b25b4c07ccb4a8223a768a6f007411ba78331fa
author Zack Johnson <zacklj89@gmail.com> Thu Dec 07 10:17:58 2023 -0500
committer Copybara-Service <copybara-worker@google.com> Thu Dec 07 07:21:10 2023 -0800
tree be441884285b31b1ccfdc0e50f58ba57453c124f
parent f7fb15989ad8a793f19e11c5b5011de0a8a2d6ae

[ASan][Windows] Interception fix for 'mov al, byte ptr []' sequences (#72531)

GitOrigin-RevId: cbe27c45cdb33e73ee7b29c46e2a64359ae5cc8e

lib/interception/interception_win.cpp

diff --git a/lib/interception/interception_win.cpp b/lib/interception/interception_win.cpp
index f3e6241..f1a549b 100644
--- a/lib/interception/interception_win.cpp
+++ b/lib/interception/interception_win.cpp
@@ -578,6 +578,7 @@
     case 0x018a:  // mov al, byte ptr [rcx]
       return 2;
 
+    case 0x058A:  // 8A 05 XX XX XX XX : mov al, byte ptr [XX XX XX XX]
     case 0x058B:  // 8B 05 XX XX XX XX : mov eax, dword ptr [XX XX XX XX]
       if (rel_offset)
         *rel_offset = 2;