commit cc61ad895ee1f8ae747244a93197ebbe0c3b53d7
author Florian Mayer <fmayer@google.com> Wed Aug 31 11:43:30 2022 -0700
committer Florian Mayer <fmayer@google.com> Wed Sep 07 23:38:42 2022 +0000
tree 0de013cf8f769a5bdd5708cc775404a195d56a03
parent 44742701c9e91b628f4802b7f4f53248ad0bb3b9

Add android_mallopt to query MTE stack state

Bug: 244364391
Change-Id: Ie6267201f0c2e293b27c71cd160a2311c9de8091

libc/platform/bionic/malloc.h

diff --git a/libc/platform/bionic/malloc.h b/libc/platform/bionic/malloc.h
index b0c7071..ecc8743 100644
--- a/libc/platform/bionic/malloc.h
+++ b/libc/platform/bionic/malloc.h
@@ -100,6 +100,9 @@
   //   arg_size = sizeof(android_mallopt_gwp_asan_options_t)
   M_INITIALIZE_GWP_ASAN = 10,
 #define M_INITIALIZE_GWP_ASAN M_INITIALIZE_GWP_ASAN
+  // Query whether memtag stack is enabled for this process.
+  M_MEMTAG_STACK_IS_ON = 11,
+#define M_MEMTAG_STACK_IS_ON M_MEMTAG_STACK_IS_ON
 };
 
 typedef struct {