diff options
| author | Francis Ricci <francisjricci@gmail.com> | 2017-04-17 16:34:38 +0000 |
|---|---|---|
| committer | Francis Ricci <francisjricci@gmail.com> | 2017-04-17 16:34:38 +0000 |
| commit | 9e60082e3f68e8619ffc917bbdaaf0636c3fcaa3 (patch) | |
| tree | c3c68e1b770333cbc41e459be9595215d2b9c2dd /lib/lsan/lsan_common_mac.cc | |
| parent | 1bc70377e9230a971ce88ee7270a705ce306d103 (diff) | |
Don't read non-readable address ranges during lsan pointer scanning
Summary: This specifically addresses the Mach-O zero page, which we cannot read from.
Reviewers: kubamracek, samsonov, alekseyshl
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D32044
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@300456 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/lsan/lsan_common_mac.cc')
| -rw-r--r-- | lib/lsan/lsan_common_mac.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/lsan/lsan_common_mac.cc b/lib/lsan/lsan_common_mac.cc index d0ee181d0..dfb5ab4cc 100644 --- a/lib/lsan/lsan_common_mac.cc +++ b/lib/lsan/lsan_common_mac.cc @@ -108,7 +108,7 @@ void ProcessGlobalRegions(Frontier *frontier) { for (const __sanitizer::LoadedModule::AddressRange &range : modules[i].ranges()) { - if (range.executable) continue; + if (range.executable || !range.readable) continue; ScanGlobalRange(range.beg, range.end, frontier); } |