Skip to content

[ubsan_minimal] Introduce custom substitutions for clang with minimal runtime #151613

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Aug 1, 2025
Merged

[ubsan_minimal] Introduce custom substitutions for clang with minimal runtime #151613

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
662c99b
[ubsan_minimal] Introduce custom substitutions for clang with minimal…
alazarev Jul 31, 2025
12ecb70
Merge branch 'main' into min_runtime_substitution
alazarev Jul 31, 2025
8804ef8
Format
vitalybuka Aug 1, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion compiler-rt/test/ubsan_minimal/TestCases/alignment-assumption.c
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// RUN: %clang -fsanitize=alignment %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clang_min_runtime -fsanitize=alignment %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK

#include <stdlib.h>

Expand Down
4 changes: 2 additions & 2 deletions compiler-rt/test/ubsan_minimal/TestCases/icall.c
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
// RUN: %clang -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fuse-ld=lld -flto -fvisibility=hidden %s -o %t && not --crash %run %t 2>&1 | FileCheck %s
// RUN: %clang -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-recover=cfi-icall -fuse-ld=lld -flto -fvisibility=hidden %s -o %t && %run %t 2>&1 | FileCheck %s
// RUN: %clang_min_runtime -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fuse-ld=lld -flto -fvisibility=hidden %s -o %t && not --crash %run %t 2>&1 | FileCheck %s
// RUN: %clang_min_runtime -fsanitize=cfi-icall -fno-sanitize-trap=cfi-icall -fsanitize-recover=cfi-icall -fuse-ld=lld -flto -fvisibility=hidden %s -o %t && %run %t 2>&1 | FileCheck %s

// REQUIRES: lld-available, cfi

Expand Down
2 changes: 1 addition & 1 deletion compiler-rt/test/ubsan_minimal/TestCases/implicit-integer-sign-change.c
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// RUN: %clang -fsanitize=implicit-integer-sign-change %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clang_min_runtime -fsanitize=implicit-integer-sign-change %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK

#include <stdint.h>

Expand Down
2 changes: 1 addition & 1 deletion compiler-rt/test/ubsan_minimal/TestCases/implicit-signed-integer-truncation-or-sign-change.c
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clang_min_runtime -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK

#include <stdint.h>

Expand Down
2 changes: 1 addition & 1 deletion compiler-rt/test/ubsan_minimal/TestCases/implicit-signed-integer-truncation.c
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// RUN: %clang -fsanitize=implicit-signed-integer-truncation %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clang_min_runtime -fsanitize=implicit-signed-integer-truncation %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK

#include <stdint.h>

Expand Down
2 changes: 1 addition & 1 deletion compiler-rt/test/ubsan_minimal/TestCases/implicit-unsigned-integer-truncation.c
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// RUN: %clang -fsanitize=implicit-unsigned-integer-truncation %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK
// RUN: %clang_min_runtime -fsanitize=implicit-unsigned-integer-truncation %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK

#include <stdint.h>

Expand Down
8 changes: 4 additions & 4 deletions compiler-rt/test/ubsan_minimal/TestCases/local_bounds.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// RUN: %clangxx -fsanitize=local-bounds %s -O3 -o %t && %run %t 1
// RUN: %clangxx -fsanitize=local-bounds %s -O3 -o %t && not --crash %run %t 3
// RUN: %clangxx -fsanitize=local-bounds -fno-sanitize-trap=local-bounds %s -O3 -o %t && not --crash %run %t 3 2>&1 | FileCheck %s
// RUN: %clangxx -fsanitize=local-bounds -fno-sanitize-trap=local-bounds -fsanitize-recover=local-bounds %s -O3 -o %t && %run %t 3 2>&1 | FileCheck %s
// RUN: %clangxx_min_runtime -fsanitize=local-bounds %s -O3 -o %t && %run %t 1
// RUN: %clangxx_min_runtime -fsanitize=local-bounds %s -O3 -o %t && not --crash %run %t 3
// RUN: %clangxx_min_runtime -fsanitize=local-bounds -fno-sanitize-trap=local-bounds %s -O3 -o %t && not --crash %run %t 3 2>&1 | FileCheck %s
// RUN: %clangxx_min_runtime -fsanitize=local-bounds -fno-sanitize-trap=local-bounds -fsanitize-recover=local-bounds %s -O3 -o %t && %run %t 3 2>&1 | FileCheck %s

#include <cstdlib>

Expand Down
4 changes: 2 additions & 2 deletions compiler-rt/test/ubsan_minimal/TestCases/nullptr-and-nonzero-offset.c
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
// RUN: %clang -fsanitize=pointer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="pointer-overflow"
// RUN: %clangxx -x c++ -fsanitize=pointer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="pointer-overflow"
// RUN: %clang_min_runtime -fsanitize=pointer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="pointer-overflow"
// RUN: %clangxx_min_runtime -x c++ -fsanitize=pointer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="pointer-overflow"

#include <stdlib.h>

Expand Down
6 changes: 3 additions & 3 deletions compiler-rt/test/ubsan_minimal/TestCases/override-callback.c
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
// RUN: %clang -fsanitize=implicit-integer-sign-change %s -o %t && %run %t 2>&1 | FileCheck %s
// RUN: %clang -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=all %s -o %t && not --crash %run %t 2>&1 | FileCheck %s
// RUN: %clang -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=all -DOVERRIDE=1 %s -o %t && not --crash %run %t 2>&1 | FileCheck %s --check-prefixes=FATAL
// RUN: %clang_min_runtime -fsanitize=implicit-integer-sign-change %s -o %t && %run %t 2>&1 | FileCheck %s
// RUN: %clang_min_runtime -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=all %s -o %t && not --crash %run %t 2>&1 | FileCheck %s
// RUN: %clang_min_runtime -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=all -DOVERRIDE=1 %s -o %t && not --crash %run %t 2>&1 | FileCheck %s --check-prefixes=FATAL

#include <stdint.h>
#include <stdio.h>
Expand Down
2 changes: 1 addition & 1 deletion compiler-rt/test/ubsan_minimal/TestCases/recover-dedup-limit.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// RUN: %clangxx -fsanitize=signed-integer-overflow -fsanitize-recover=all %s -o %t && %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_min_runtime -fsanitize=signed-integer-overflow -fsanitize-recover=all %s -o %t && %run %t 2>&1 | FileCheck %s

#include <stdint.h>

Expand Down
2 changes: 1 addition & 1 deletion compiler-rt/test/ubsan_minimal/TestCases/recover-dedup.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// RUN: %clangxx -w -fsanitize=signed-integer-overflow,nullability-return,returns-nonnull-attribute -fsanitize-recover=all %s -o %t && %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_min_runtime -w -fsanitize=signed-integer-overflow,nullability-return,returns-nonnull-attribute -fsanitize-recover=all %s -o %t && %run %t 2>&1 | FileCheck %s

#include <stdint.h>
#include <stdio.h>
Expand Down
4 changes: 2 additions & 2 deletions compiler-rt/test/ubsan_minimal/TestCases/test-darwin-interface.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,11 @@
//
// REQUIRES: x86_64-darwin

// RUN: nm -jgU `%clangxx -fsanitize-minimal-runtime -fsanitize=undefined %s -o %t '-###' 2>&1 | grep "libclang_rt.ubsan_minimal_osx_dynamic.dylib" | sed -e 's/.*"\(.*libclang_rt.ubsan_minimal_osx_dynamic.dylib\)".*/\1/'` | grep "^___ubsan_handle" \
// RUN: nm -jgU `%clangxx_min_runtime -fsanitize-minimal-runtime -fsanitize=undefined %s -o %t '-###' 2>&1 | grep "libclang_rt.ubsan_minimal_osx_dynamic.dylib" | sed -e 's/.*"\(.*libclang_rt.ubsan_minimal_osx_dynamic.dylib\)".*/\1/'` | grep "^___ubsan_handle" \
// RUN: | sed 's/_minimal//g' \
// RUN: > %t.minimal.symlist
//
// RUN: nm -jgU `%clangxx -fno-sanitize-minimal-runtime -fsanitize=undefined %s -o %t '-###' 2>&1 | grep "libclang_rt.ubsan_osx_dynamic.dylib" | sed -e 's/.*"\(.*libclang_rt.ubsan_osx_dynamic.dylib\)".*/\1/'` | grep "^___ubsan_handle" \
// RUN: nm -jgU `%clangxx_min_runtime -fno-sanitize-minimal-runtime -fsanitize=undefined %s -o %t '-###' 2>&1 | grep "libclang_rt.ubsan_osx_dynamic.dylib" | sed -e 's/.*"\(.*libclang_rt.ubsan_osx_dynamic.dylib\)".*/\1/'` | grep "^___ubsan_handle" \
// RUN: | grep -vE "^___ubsan_handle_dynamic_type_cache_miss" \
// RUN: | grep -vE "^___ubsan_handle_cfi_bad_type" \
// RUN: | sed 's/_v1//g' \
Expand Down
4 changes: 2 additions & 2 deletions compiler-rt/test/ubsan_minimal/TestCases/uadd-overflow.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
// RUN: %clangxx -fsanitize=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s
// RUN: %clangxx -fsanitize=unsigned-integer-overflow -fno-sanitize-recover=all %s -o %t && not --crash %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_min_runtime -fsanitize=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_min_runtime -fsanitize=unsigned-integer-overflow -fno-sanitize-recover=all %s -o %t && not --crash %run %t 2>&1 | FileCheck %s

#include <stdint.h>

Expand Down
6 changes: 3 additions & 3 deletions compiler-rt/test/ubsan_minimal/lit.common.cfg.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -27,9 +27,9 @@ def build_invocation(compile_flags):
clang_ubsan_cflags = ["-fsanitize-minimal-runtime"] + target_cflags
clang_ubsan_cxxflags = config.cxx_mode_flags + clang_ubsan_cflags

# Define %clang and %clangxx substitutions to use in test RUN lines.
config.substitutions.append(("%clang ", build_invocation(clang_ubsan_cflags)))
config.substitutions.append(("%clangxx ", build_invocation(clang_ubsan_cxxflags)))
# Define %clang_min_runtime and %clangxx_min_runtime substitutions to use in test RUN lines.
config.substitutions.append(("%clang_min_runtime ", build_invocation(clang_ubsan_cflags)))
config.substitutions.append(("%clangxx_min_runtime ", build_invocation(clang_ubsan_cxxflags)))

# Default test suffixes.
config.suffixes = [".c", ".cpp"]
Expand Down
Loading