kda created this revision. kda added a reviewer: vitalybuka. kda requested review of this revision. Herald added a project: clang. Herald added a subscriber: cfe-commits.
for issue: https://github.com/google/sanitizers/issues/1394 Repository: rG LLVM Github Monorepo https://reviews.llvm.org/D104155 Files: clang/docs/AddressSanitizer.rst clang/docs/ClangCommandLineReference.rst Index: clang/docs/ClangCommandLineReference.rst =================================================================== --- clang/docs/ClangCommandLineReference.rst +++ clang/docs/ClangCommandLineReference.rst @@ -881,6 +881,15 @@ * ``global`` - Emit module destructors that are called via a platform specific array (see `llvm.global_dtors`). * ``none`` - Do not emit module destructors. +.. option:: -fsanitize-address-use-after-return=<arg> + +Select the enabling method of detecting stack use-after-return in AddressSanitizer. + +Valid options are: +* ``always`` - Always detect use-after-return. (Code generated and always enabled.) +* ``runtime`` - Detect use-after-return at runtime if enabled by runtime command line (flag `ASAN_OPTIONS=detect_stack_use_after_return=1`) +* ``never`` - Never detect use-after-return. (Code not generated for detection.) + .. option:: -fsanitize-ignorelist=<arg> Path to ignorelist file for sanitizers Index: clang/docs/AddressSanitizer.rst =================================================================== --- clang/docs/AddressSanitizer.rst +++ clang/docs/AddressSanitizer.rst @@ -14,7 +14,8 @@ * Out-of-bounds accesses to heap, stack and globals * Use-after-free -* Use-after-return (runtime flag `ASAN_OPTIONS=detect_stack_use_after_return=1`) +* Use-after-return (clang flag `-fsanitize-address-use-after-return=(always|runtime|never)` default: runtime) + * Add runtime flag `ASAN_OPTIONS=detect_stack_use_after_return=1` to enable when compiled with `-fsanitize-address-use-after-return=runtime`) * Use-after-scope (clang flag `-fsanitize-address-use-after-scope`) * Double-free, invalid free * Memory leaks (experimental)
Index: clang/docs/ClangCommandLineReference.rst =================================================================== --- clang/docs/ClangCommandLineReference.rst +++ clang/docs/ClangCommandLineReference.rst @@ -881,6 +881,15 @@ * ``global`` - Emit module destructors that are called via a platform specific array (see `llvm.global_dtors`). * ``none`` - Do not emit module destructors. +.. option:: -fsanitize-address-use-after-return=<arg> + +Select the enabling method of detecting stack use-after-return in AddressSanitizer. + +Valid options are: +* ``always`` - Always detect use-after-return. (Code generated and always enabled.) +* ``runtime`` - Detect use-after-return at runtime if enabled by runtime command line (flag `ASAN_OPTIONS=detect_stack_use_after_return=1`) +* ``never`` - Never detect use-after-return. (Code not generated for detection.) + .. option:: -fsanitize-ignorelist=<arg> Path to ignorelist file for sanitizers Index: clang/docs/AddressSanitizer.rst =================================================================== --- clang/docs/AddressSanitizer.rst +++ clang/docs/AddressSanitizer.rst @@ -14,7 +14,8 @@ * Out-of-bounds accesses to heap, stack and globals * Use-after-free -* Use-after-return (runtime flag `ASAN_OPTIONS=detect_stack_use_after_return=1`) +* Use-after-return (clang flag `-fsanitize-address-use-after-return=(always|runtime|never)` default: runtime) + * Add runtime flag `ASAN_OPTIONS=detect_stack_use_after_return=1` to enable when compiled with `-fsanitize-address-use-after-return=runtime`) * Use-after-scope (clang flag `-fsanitize-address-use-after-scope`) * Double-free, invalid free * Memory leaks (experimental)
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