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| 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 | 7c6bf1cc9f0a084e7b29c74af4833fe5814b3a06 (patch) | |
| tree | 79dca829f4695d8ca9f8c74ac1da362268c2d03e /compiler-rt/lib/sanitizer_common/sanitizer_procmaps_common.cc | |
| parent | 84577092ba220afd173dfccf08093bc46f0ebe33 (diff) | |
| download | bcm5719-llvm-7c6bf1cc9f0a084e7b29c74af4833fe5814b3a06.tar.gz bcm5719-llvm-7c6bf1cc9f0a084e7b29c74af4833fe5814b3a06.zip | |
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
llvm-svn: 300456
Diffstat (limited to 'compiler-rt/lib/sanitizer_common/sanitizer_procmaps_common.cc')
| -rw-r--r-- | compiler-rt/lib/sanitizer_common/sanitizer_procmaps_common.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_procmaps_common.cc b/compiler-rt/lib/sanitizer_common/sanitizer_procmaps_common.cc index fac3fbdad07..67a659010aa 100644 --- a/compiler-rt/lib/sanitizer_common/sanitizer_procmaps_common.cc +++ b/compiler-rt/lib/sanitizer_common/sanitizer_procmaps_common.cc @@ -141,7 +141,8 @@ void MemoryMappingLayout::DumpListOfModules( uptr base_address = (i ? cur_beg : 0) - cur_offset; LoadedModule cur_module; cur_module.set(cur_name, base_address); - cur_module.addAddressRange(cur_beg, cur_end, prot & kProtectionExecute); + cur_module.addAddressRange(cur_beg, cur_end, prot & kProtectionExecute, + prot & kProtectionRead); modules->push_back(cur_module); } } |
