1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
| // RUN: %clangxx -fsanitize=integer -g0 %s -o %t
// Suppression by symbol name (unsigned-integer-overflow:do_overflow below)
// requires the compiler-rt runtime to be able to symbolize stack addresses.
// REQUIRES: can-symbolize
// UNSUPPORTED: android
// Output differs on OpenBSD longer by displaying the values.
// XFAIL: openbsd
// Fails without any suppression.
// RUN: %env_ubsan_opts=halt_on_error=1 not %run %t 2>&1 | FileCheck %s
// RUN: echo "signed-integer-overflow:%t" > %t.wrong-supp
// RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.wrong-supp"' not %run %t 2>&1 | FileCheck %s
// RUN: echo "unsigned-integer-overflow:do_overflow" > %t.func-supp
// RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.func-supp"' %run %t
// FIXME: The '%t' substitution can't be used for the module name because it
// contains a colon, so we have to use the basename, which is
// suppressions.cpp.tmp.
// RUN: echo "unsigned-integer-overflow:suppressions.cpp.tmp" > %t.module-supp
// RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.module-supp"' %run %t
// Note: file-level suppressions should work even without debug info.
// RUN: echo "unsigned-integer-overflow:%s" > %t.file-supp
// RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.file-supp"' %run %t
// Suppressions don't work for unrecoverable kinds.
// RUN: %clangxx -fsanitize=integer -fno-sanitize-recover=integer %s -o %t-norecover
// RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.module-supp"' not %run %t-norecover 2>&1 | FileCheck %s
#include <stdint.h>
extern "C" void do_overflow() {
(void)(uint64_t(10000000000000000000ull) + uint64_t(9000000000000000000ull));
// CHECK: runtime error: unsigned integer overflow
}
int main() {
do_overflow();
return 0;
}
|