[PATCH] D91615: [sanitizer_common] Don't try to unmap unaligned memory

[Rainer Orth via Phabricator via llvm-commits]

ro updated this revision to Diff 405916.
ro added a comment.

Incorporate review comments.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91615/new/

https://reviews.llvm.org/D91615

Files:
  compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp


Index: compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp
===================================================================
--- compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp
+++ compiler-rt/lib/sanitizer_common/sanitizer_posix.cpp
@@ -95,6 +95,7 @@
     UnmapOrDie((void*)map_res, res - map_res);
   }
   uptr end = res + size;
+  end = RoundUpTo(end, GetPageSizeCached());
   if (end != map_end)
     UnmapOrDie((void*)end, map_end - end);
   return (void*)res;


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D91615.405916.patch
Type: text/x-patch
Size: 474 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220204/fbf5c5ce/attachment.bin>