tag 378e8118593fd46ddc7fe3d0d2fd1af44f5e3644
tagger The Android Open Source Project <initial-contribution@android.com> Tue Aug 02 10:51:50 2022 -0700
object 946c79ac5e769462e41e8eb5fc5ce07967068e31

Android 12.1.0 release 19

commit 946c79ac5e769462e41e8eb5fc5ce07967068e31
author Vitaly Buka <vitalybuka@google.com> Wed Jun 30 20:22:41 2021 -0700
committer Evgenii Stepanov <eugenis@google.com> Wed Nov 17 23:02:00 2021 +0000
tree a0f5373b4a9e78628dae030771cbd16f8e50e532
parent 4599a19cb002a5483ae969530b5a4d5bc06cf7cd

[scudo] Untag BlockEnd in reallocate

If we get here from reallocate, BlockEnd is tagged. Then we
will storeTag(UntaggedEnd) into the header of the next chunk.

Luckily header tag is 0 so unpatched code still works.

Reviewed By: pcc

Differential Revision: https://reviews.llvm.org/D105261

Bug: 206701345
Test: CtsBionicTestCases
GitOrigin-RevId: fe30963600ea579d4046c9a92c6e38cc2be0e9a2
Merged-In: Idfbf127080f09a2a111741f60efa5422414c2009
Change-Id: Idfbf127080f09a2a111741f60efa5422414c2009
(cherry picked from commit 5df4673efd351b357998c1007b5a2360ab3b67e0)