[llvm-branch-commits] [NFC][msan] Prepare function to extract main logic (PR #94880)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/94880 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [NFC][msan] Extract `handleSelectLikeInst` (PR #94881)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/94881 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [clang][builtin] Implement __builtin_allow_runtime_check (PR #87568)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/87568 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [compiler-rt] release/18.x: [msan] Re-exec with no ASLR if memory layout is incompatible on Linux (#85142) (PR #86201)

thurstond wrote: > Hi @thurstond (or anyone else). If you would like to add a note about this > fix in the release notes (completely optional). Please reply to this comment > with a one or two sentence description of the fix. "MemorySanitizer on Linux can now run even when maximum-entropy

[llvm-branch-commits] [HWASAN] Don't instrument loads from global if globals are not tagged (PR #86774)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/86774 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [tsan] Process SIGPROF as sync signal only if thread is alive (PR #86343)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/86343 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [tsan] Set `thr->is_inited` after SlotAttachAndLock (PR #86342)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/86342 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [compiler-rt] release/18.x: [msan] Re-exec with no ASLR if memory layout is incompatible on Linux (#85142) (PR #86201)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/86201 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [libc] [llvm] [libcxx] [libunwind] [clang] [compiler-rt] [tsan] Fallback to top frame (PR #77145)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/77145 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [compiler-rt] [tsan] Fallback to top frame (PR #77145)

thurstond wrote: > Probably it's not important, as it should not happen, but if all frames are > internal we should pick top, not the bottom frame. If we encounter a case that "should not happen", wouldn't it be better to fail/assert? https://github.com/llvm/llvm-project/pull/77145

[llvm-branch-commits] [compiler-rt] [NFC][tsan] `ptr != 0` to implicit check (PR #77144)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/77144 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [compiler-rt] [clang] [hwasan] Respect strip_path_prefix printing locals (PR #76132)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/76132 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [lld] [clang] [compiler-rt] [clang-tools-extra] [llvm] [libcxx] [test][hwasan] Implement sanitizer_specific for HWASAN (PR #75280)

@@ -31,6 +31,30 @@ static void make_mem_good(void *p, size_t s) { static void make_mem_bad(void *p, size_t s) { __asan_poison_memory_region(p, s); } +#elif __has_feature(hwaddress_sanitizer) +# include +# include +static void check_mem_is_good(void *p, size_t s) { + if

[llvm-branch-commits] [lld] [libcxx] [llvm] [compiler-rt] [clang-tools-extra] [clang] [test][hwasan] Implement sanitizer_specific for HWASAN (PR #75280)

@@ -42,7 +42,18 @@ static void make_mem_good(void *p, size_t s) { __hwasan_tag_memory(p, __hwasan_get_tag_from_pointer(p), s); } static void make_mem_bad(void *p, size_t s) { - __hwasan_tag_memory(p, ~__hwasan_get_tag_from_pointer(p), s); + uint8_t tag =

[llvm-branch-commits] [compiler-rt] [asan] Install `pthread_atfork` (PR #75290)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/75290 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [compiler-rt] [asan] Install `pthread_atfork` (PR #75290)

@@ -148,6 +148,30 @@ void PlatformTSDDtor(void *tsd) { } #endif +void InstallAtForkHandler() { + auto before = []() { +if (CAN_SANITIZE_LEAKS) { + __lsan::LockGlobal(); +} +// `_lsan` functions defined regardless of `CAN_SANITIZE_LEAKS` and do the +//

[llvm-branch-commits] [compiler-rt] [asan] Install `pthread_atfork` (PR #75290)

https://github.com/thurstond edited https://github.com/llvm/llvm-project/pull/75290 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang-tools-extra] [lld] [libcxx] [compiler-rt] [llvm] [lsan] Install `pthread_atfork` (PR #75281)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/75281 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang-tools-extra] [lld] [libcxx] [compiler-rt] [llvm] [test][hwasan] Implement sanitizer_specific for HWASAN (PR #75280)

@@ -31,6 +31,19 @@ static void make_mem_good(void *p, size_t s) { static void make_mem_bad(void *p, size_t s) { __asan_poison_memory_region(p, s); } +#elif __has_feature(hwaddress_sanitizer) +# include +# include +static void check_mem_is_good(void *p, size_t s) { + if

[llvm-branch-commits] [compiler-rt] [test][sanitizer] Allow fork_threaded test on Msan, Tsan (PR #75260)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/75260 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [compiler-rt] [test][sanitizer] Allow fork_threaded test on Msan, Tsan (PR #75260)

https://github.com/thurstond edited https://github.com/llvm/llvm-project/pull/75260 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [compiler-rt] [test][sanitizer] Allow fork_threaded test on Msan, Tsan (PR #75260)

@@ -1,6 +1,6 @@ // RUN: %clangxx -O0 %s -o %t && %env_tool_opts=die_after_fork=0 %run %t -// UNSUPPORTED: * +// UNSUPPORTED: asan, lsan, hwasan thurstond wrote: This would also enable the test for ubsan, which is not mentioned in the title

[llvm-branch-commits] [llvm] [compiler-rt] [msan][x86] Fix shadow if vararg overflow beyond kParamTLSSize (PR #72707)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/72707 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] [NFC][msan] Remove unused parameter from getOriginPtrForVAArgument (PR #72687)

https://github.com/thurstond approved this pull request. https://github.com/llvm/llvm-project/pull/72687 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits