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[ubsan] Test for pass_object_size bounds checks 

llvm-svn: 320129
This commit is contained in:
Vedant Kumar 2017-12-08 01:51:51 +00:00
parent 36347d917f
commit 75850f57fd
1 changed files with 16 additions and 0 deletions
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16
compiler-rt/test/ubsan/TestCases/Misc/bounds.cpp
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@ -5,7 +5,23 @@
// RUN: %run %t 0 3 0 2>&1 | FileCheck %s --check-prefix=CHECK-B-3
// RUN: %run %t 0 0 4 2>&1 | FileCheck %s --check-prefix=CHECK-C-4
int get_int(int *const p __attribute__((pass_object_size(0))), int i) {
// CHECK-A-2: bounds.cpp:[[@LINE+1]]:10: runtime error: index 2 out of bounds for type 'int *'
return p[i];
}
int get_double(double *const p __attribute__((pass_object_size(0))), int i) {
// CHECK-A-2: bounds.cpp:[[@LINE+1]]:10: runtime error: index 2 out of bounds for type 'double *'
return p[i];
}
int main(int argc, char **argv) {
int bar[2];
get_int(bar, argv[1][0] - '0');
double baz[2];
get_double(baz, argv[1][0] - '0');
int arr[2][3][4] = {};
return arr[argv[1][0] - '0'][argv[2][0] - '0'][argv[3][0] - '0'];