commit b6a592b25b1f81ff316cb90c4b76736e77bf37f9
author Peter Collingbourne <pcc@google.com> Fri Mar 24 18:38:05 2023 -0700
committer Peter Collingbourne <pcc@google.com> Mon May 08 15:26:00 2023 -0700
tree bc7afffa1eae7887f488af9ef67473e462a77ad7
parent 66542d6b97547cdd5b9fee3e4126d50f4316443d

Make fork equivalent to vfork when HWASan or MTE stack tagging is enabled.

Bug: 274056091
Change-Id: Iac029ca6b0e26f57f20c0a54822b75e3cae67344

libc/private/bionic_globals.h

diff --git a/libc/private/bionic_globals.h b/libc/private/bionic_globals.h
index c375cc4..510d556 100644
--- a/libc/private/bionic_globals.h
+++ b/libc/private/bionic_globals.h
@@ -38,6 +38,7 @@
 
 #include "private/WriteProtected.h"
 #include "private/bionic_allocator.h"
+#include "private/bionic_asm_offsets.h"
 #include "private/bionic_elf_tls.h"
 #include "private/bionic_fdsan.h"
 #include "private/bionic_malloc_dispatch.h"
@@ -65,6 +66,10 @@
   MallocDispatch malloc_dispatch_table;
 };
 
+#ifdef __aarch64__
+static_assert(OFFSETOF_libc_globals_memtag_stack == offsetof(libc_globals, memtag_stack));
+#endif
+
 __LIBC_HIDDEN__ extern WriteProtected<libc_globals> __libc_globals;
 
 struct abort_msg_t;