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| author | Sami Tolvanen <samitolvanen@google.com> | 2022-08-24 19:26:05 +0000 |
|---|---|---|
| committer | Sami Tolvanen <samitolvanen@google.com> | 2022-08-24 19:30:13 +0000 |
| commit | a79060e275440ccd8d403d5af5fb5b9395ea3fac (patch) | |
| tree | 7d29f75ff6c6a0cd2ceba3945e7d7cc0951c1d79 /clang/docs/ControlFlowIntegrity.rst | |
| parent | dda38786534af733786c681e0c47b863e0626a0e (diff) | |
Revert "KCFI sanitizer"
This reverts commit 67504c95494ff05be2a613129110c9bcf17f6c13 as using
PointerEmbeddedInt to store 32 bits breaks 32-bit arm builds.
Diffstat (limited to 'clang/docs/ControlFlowIntegrity.rst')
| -rw-r--r-- | clang/docs/ControlFlowIntegrity.rst | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/clang/docs/ControlFlowIntegrity.rst b/clang/docs/ControlFlowIntegrity.rst index ef47b1c5b4b2..eaf870456b95 100644 --- a/clang/docs/ControlFlowIntegrity.rst +++ b/clang/docs/ControlFlowIntegrity.rst @@ -306,19 +306,6 @@ the identity of function pointers is maintained, and calls across shared library boundaries are no different from calls within a single program or shared library. -.. _kcfi: - -``-fsanitize=kcfi`` -------------------- - -This is an alternative indirect call control-flow integrity scheme designed -for low-level system software, such as operating system kernels. Unlike -``-fsanitize=cfi-icall``, it doesn't require ``-flto``, won't result in -function pointers being replaced with jump table references, and never breaks -cross-DSO function address equality. These properties make KCFI easier to -adopt in low-level software. KCFI is limited to checking only function -pointers, and isn't compatible with executable-only memory. - Member Function Pointer Call Checking ===================================== |