1 // RUN: %clangxx -fsanitize=integer -g0 %s -o %t 2 3 // Fails without any suppression. 4 // RUN: %env_ubsan_opts=halt_on_error=1 not %run %t 2>&1 | FileCheck %s 5 6 // RUN: echo "signed-integer-overflow:%t" > %t.wrong-supp 7 // RUN: %env_ubsan_opts=halt_on_error=1:suppressions="%t.wrong-supp" not %run %t 2>&1 | FileCheck %s 8 9 // RUN: echo "unsigned-integer-overflow:do_overflow" > %t.func-supp 10 // RUN: %env_ubsan_opts=halt_on_error=1:suppressions="%t.func-supp" %run %t 11 // RUN: echo "unsigned-integer-overflow:%t" > %t.module-supp 12 // RUN: %env_ubsan_opts=halt_on_error=1:suppressions="%t.module-supp" %run %t 13 14 // Note: file-level suppressions should work even without debug info. 15 // RUN: echo "unsigned-integer-overflow:%s" > %t.file-supp 16 // RUN: %env_ubsan_opts=halt_on_error=1:suppressions="%t.file-supp" %run %t 17 18 // Suppressions don't work for unrecoverable kinds. 19 // RUN: %clangxx -fsanitize=integer -fno-sanitize-recover=integer %s -o %t-norecover 20 // RUN: %env_ubsan_opts=halt_on_error=1:suppressions="%t.module-supp" not %run %t-norecover 2>&1 | FileCheck %s 21 22 #include <stdint.h> 23 24 extern "C" void do_overflow() { 25 (void)(uint64_t(10000000000000000000ull) + uint64_t(9000000000000000000ull)); 26 // CHECK: runtime error: unsigned integer overflow 27 } 28 29 int main() { 30 do_overflow(); 31 return 0; 32 } 33 34
