commit cd4ab7d1f8a43d467725f8e2dff4c6fd07ca4522
author Evgenii Stepanov <eugenis@google.com> Wed Apr 29 14:41:48 2020 -0700
committer Copybara-Service <copybara-worker@google.com> Thu Aug 27 23:58:09 2020 -0700
tree dc03c61327326c568a7b3cfc6f20598df1146670
parent 1332ce556a5f5b13acac24221f5ccd1cf5826062

[scudo] Initialize the allocator in setTrackAllocationStacks.

Summary:
If this is called before the malloc call in a thread (or in the whole
program), the lazy initialization of the allocation can overwrite
Options.

Reviewers: pcc, cryptoad

Subscribers: #sanitizers, llvm-commits

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D79130

GitOrigin-RevId: 7a555958f111094df4336209fd05522d07c483b0

combined.h

diff --git a/combined.h b/combined.h
index b44753a..66638e7 100644
--- a/combined.h
+++ b/combined.h
@@ -721,6 +721,7 @@
   void disableMemoryTagging() { Primary.disableMemoryTagging(); }
 
   void setTrackAllocationStacks(bool Track) {
+    initThreadMaybe();
     Options.TrackAllocationStacks = Track;
   }