diff options
author | Evgenii Stepanov <eugenis@google.com> | 2020-07-06 22:18:45 +0000 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2020-07-06 22:18:45 +0000 |
commit | b5f301eaafdc23f05fe5558fb0406a0ab04fc807 (patch) | |
tree | e24d261c90573eb0bc9fc4a83d44d89461b7dc19 /linker/linker.cpp | |
parent | 9963adb9755c71dbf5b6d2df2e40febecf73db58 (diff) | |
parent | 474f2f5c8b5dbc23ee7b5542ac6df47016efe1c3 (diff) |
Merge "Revert "Add randomized padding around shared library mappings.""
Diffstat (limited to 'linker/linker.cpp')
-rw-r--r-- | linker/linker.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/linker/linker.cpp b/linker/linker.cpp index e5450c7b9..10608f46f 100644 --- a/linker/linker.cpp +++ b/linker/linker.cpp @@ -301,14 +301,13 @@ static void soinfo_free(soinfo* si) { return; } - void* start = reinterpret_cast<void*>(si->has_min_version(6) ? si->get_map_start() : si->base); - size_t size = si->has_min_version(6) ? si->get_map_size() : si->size; - if (start != nullptr && size != 0) { + if (si->base != 0 && si->size != 0) { if (!si->is_mapped_by_caller()) { - munmap(start, size); + munmap(reinterpret_cast<void*>(si->base), si->size); } else { // remap the region as PROT_NONE, MAP_ANONYMOUS | MAP_NORESERVE - mmap(start, size, PROT_NONE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0); + mmap(reinterpret_cast<void*>(si->base), si->size, PROT_NONE, + MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0); } } @@ -600,8 +599,6 @@ class LoadTask { si_->load_bias = elf_reader.load_bias(); si_->phnum = elf_reader.phdr_count(); si_->phdr = elf_reader.loaded_phdr(); - si_->set_map_start(elf_reader.map_start()); - si_->set_map_size(elf_reader.map_size()); return true; } |