diff options
Diffstat (limited to 'test/ubsan/TestCases/Pointer/index-overflow.cpp')
| -rw-r--r-- | test/ubsan/TestCases/Pointer/index-overflow.cpp | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/test/ubsan/TestCases/Pointer/index-overflow.cpp b/test/ubsan/TestCases/Pointer/index-overflow.cpp index f9b1fea08..0c082ddd4 100644 --- a/test/ubsan/TestCases/Pointer/index-overflow.cpp +++ b/test/ubsan/TestCases/Pointer/index-overflow.cpp @@ -1,7 +1,9 @@ // RUN: %clangxx -fsanitize=pointer-overflow %s -o %t -// RUN: %run %t 1 2>&1 | FileCheck %s --check-prefix=ERR -// RUN: %run %t 0 2>&1 | FileCheck %s --check-prefix=SAFE -// RUN: %run %t -1 2>&1 | FileCheck %s --check-prefix=SAFE +// RUN: %run %t 2 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=ERR2 +// RUN: %run %t 1 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=ERR1 +// RUN: %run %t 0 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=SAFE +// RUN: %run %t -1 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=SAFE +// RUN: %run %t -2 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=SAFE #include <stdio.h> #include <stdint.h> @@ -9,11 +11,18 @@ int main(int argc, char *argv[]) { // SAFE-NOT: runtime error - // ERR: runtime error: pointer index expression with base {{.*}} overflowed to + // ERR2: runtime error: pointer index expression with base {{.*}} overflowed to + // ERR2: runtime error: pointer index expression with base {{.*}} overflowed to + // ERR1: runtime error: applying non-zero offset to non-null pointer 0x{{.*}} produced null pointer + // ERR1: runtime error: applying non-zero offset to non-null pointer 0x{{.*}} produced null pointer char *p = (char *)(UINTPTR_MAX); printf("%p\n", p + atoi(argv[1])); + char *q = (char *)(UINTPTR_MAX); + + printf("%p\n", p - (-atoi(argv[1]))); + return 0; } |