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37 lines
1.4 KiB
37 lines
1.4 KiB
// RUN: %clangxx -fsanitize=integer -g0 %s -o %t
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// Suppression by symbol name (unsigned-integer-overflow:do_overflow below)
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// requires the compiler-rt runtime to be able to symbolize stack addresses.
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// REQUIRES: can-symbolize
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// Fails without any suppression.
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// RUN: %env_ubsan_opts=halt_on_error=1 not %run %t 2>&1 | FileCheck %s
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// RUN: echo "signed-integer-overflow:%t" > %t.wrong-supp
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// RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.wrong-supp"' not %run %t 2>&1 | FileCheck %s
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// RUN: echo "unsigned-integer-overflow:do_overflow" > %t.func-supp
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// RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.func-supp"' %run %t
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// RUN: echo "unsigned-integer-overflow:%t" > %t.module-supp
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// RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.module-supp"' %run %t
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// Note: file-level suppressions should work even without debug info.
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// RUN: echo "unsigned-integer-overflow:%s" > %t.file-supp
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// RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.file-supp"' %run %t
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// Suppressions don't work for unrecoverable kinds.
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// RUN: %clangxx -fsanitize=integer -fno-sanitize-recover=integer %s -o %t-norecover
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// RUN: %env_ubsan_opts=halt_on_error=1:suppressions='"%t.module-supp"' not %run %t-norecover 2>&1 | FileCheck %s
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#include <stdint.h>
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extern "C" void do_overflow() {
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(void)(uint64_t(10000000000000000000ull) + uint64_t(9000000000000000000ull));
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// CHECK: runtime error: unsigned integer overflow
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}
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int main() {
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do_overflow();
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return 0;
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}
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