derek.holloway
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56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
// RUN: %clangxx_asan -O0 -fno-builtin %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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// RUN: echo "interceptor_via_fun:bad_function" > %t.supp
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// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
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// RUN: echo "interceptor_name:strcat" > %t.supp
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// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
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//
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// RUN: %clangxx_asan -O1 -fno-builtin %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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// RUN: echo "interceptor_via_fun:bad_function" > %t.supp
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// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
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// RUN: echo "interceptor_name:strcat" > %t.supp
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// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
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//
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// RUN: %clangxx_asan -O2 -fno-builtin %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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// RUN: echo "interceptor_via_fun:bad_function" > %t.supp
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// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
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// RUN: echo "interceptor_name:strcat" > %t.supp
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// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
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//
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// RUN: %clangxx_asan -O3 -fno-builtin %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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// RUN: echo "interceptor_via_fun:bad_function" > %t.supp
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// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
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// RUN: echo "interceptor_name:strcat" > %t.supp
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// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
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// This test when run with suppressions invokes undefined
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// behavior which can cause all sorts of bad things to happen
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// depending on how strcat() is implemented. For now only run
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// on platforms where we know the test passes.
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// REQUIRES: x86_64h-darwin || x86_64-darwin || i386-darwin || x86_64-linux || i386-linux
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// UNSUPPORTED: target={{.*windows-msvc.*}}
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// UNSUPPORTED: android
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#include "defines.h"
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#include <string.h>
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// Don't inline function otherwise stacktrace changes.
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ATTRIBUTE_NOINLINE void bad_function() {
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char buffer[] = "hello\0XXX";
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// CHECK: strcat-param-overlap: memory ranges
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// CHECK: [{{0x.*,[ ]*0x.*}}) and [{{0x.*,[ ]*0x.*}}) overlap
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// CHECK: {{#0 0x.* in .*strcat}}
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// CHECK: {{#1 0x.* in bad_function.*strcat-overlap.cpp:}}[[@LINE+2]]
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// CHECK: {{#2 0x.* in main .*strcat-overlap.cpp:}}[[@LINE+5]]
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strcat(buffer, buffer + 1); // BOOM
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}
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int main(int argc, char **argv) {
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bad_function();
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return 0;
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}
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