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// RUN: %clangxx_asan -O0 %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s
// RUN: echo "interceptor_via_fun:bad_function" > %t.supp
// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
// RUN: echo "interceptor_name:strcat" > %t.supp
// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
//
// RUN: %clangxx_asan -O1 %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s
// RUN: echo "interceptor_via_fun:bad_function" > %t.supp
// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
// RUN: echo "interceptor_name:strcat" > %t.supp
// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
//
// RUN: %clangxx_asan -O2 %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s
// RUN: echo "interceptor_via_fun:bad_function" > %t.supp
// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
// RUN: echo "interceptor_name:strcat" > %t.supp
// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
//
// RUN: %clangxx_asan -O3 %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s
// RUN: echo "interceptor_via_fun:bad_function" > %t.supp
// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
// RUN: echo "interceptor_name:strcat" > %t.supp
// RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
// REQUIRES: (target-is-x86_64 || target-is-x86_64h) && !ios
// UNSUPPORTED: win32
// UNSUPPORTED: android
#include <string.h>
// Don't inline function otherwise stacktrace changes.
__attribute__((noinline)) void bad_function() {
char buffer[] = "hello\0XXX";
// CHECK: strcat-param-overlap: memory ranges
// CHECK: [{{0x.*,[ ]*0x.*}}) and [{{0x.*,[ ]*0x.*}}) overlap
// CHECK: {{#0 0x.* in .*strcat}}
// CHECK: {{#1 0x.* in bad_function.*strcat-overlap.cc:}}[[@LINE+2]]
// CHECK: {{#2 0x.* in main .*strcat-overlap.cc:}}[[@LINE+5]]
strcat(buffer, buffer + 1); // BOOM
}
int main(int argc, char **argv) {
bad_function();
return 0;
}
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