| 1 | // RUN: %clangxx_asan -O0 -fno-builtin %s -o %t |
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| 2 | // RUN: not %run %t 2>&1 | FileCheck %s |
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| 3 | // RUN: echo "interceptor_via_fun:bad_function" > %t.supp |
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| 4 | // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t |
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| 5 | // RUN: echo "interceptor_name:strcat" > %t.supp |
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| 6 | // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t |
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| 7 | // |
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| 8 | // RUN: %clangxx_asan -O1 -fno-builtin %s -o %t |
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| 9 | // RUN: not %run %t 2>&1 | FileCheck %s |
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| 10 | // RUN: echo "interceptor_via_fun:bad_function" > %t.supp |
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| 11 | // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t |
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| 12 | // RUN: echo "interceptor_name:strcat" > %t.supp |
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| 13 | // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t |
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| 14 | // |
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| 15 | // RUN: %clangxx_asan -O2 -fno-builtin %s -o %t |
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| 16 | // RUN: not %run %t 2>&1 | FileCheck %s |
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| 17 | // RUN: echo "interceptor_via_fun:bad_function" > %t.supp |
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| 18 | // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t |
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| 19 | // RUN: echo "interceptor_name:strcat" > %t.supp |
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| 20 | // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t |
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| 21 | // |
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| 22 | // RUN: %clangxx_asan -O3 -fno-builtin %s -o %t |
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| 23 | // RUN: not %run %t 2>&1 | FileCheck %s |
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| 24 | // RUN: echo "interceptor_via_fun:bad_function" > %t.supp |
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| 25 | // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t |
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| 26 | // RUN: echo "interceptor_name:strcat" > %t.supp |
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| 27 | // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t |
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| 28 | |
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| 29 | // This test when run with suppressions invokes undefined |
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| 30 | // behavior which can cause all sorts of bad things to happen |
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| 31 | // depending on how strcat() is implemented. For now only run |
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| 32 | // on platforms where we know the test passes. |
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| 33 | // REQUIRES: x86_64h-darwin || x86_64-darwin || i386-darwin || x86_64-linux || i386-linux |
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| 34 | // UNSUPPORTED: target={{.*windows-msvc.*}} |
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| 35 | // UNSUPPORTED: android |
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| 36 | |
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| 37 | #include <string.h> |
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| 38 | |
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| 39 | |
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| 40 | // Don't inline function otherwise stacktrace changes. |
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| 41 | __attribute__((noinline)) void bad_function() { |
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| 42 | char buffer[] = "hello\0XXX" ; |
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| 43 | // CHECK: strcat-param-overlap: memory ranges |
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| 44 | // CHECK: [{{0x.*,[ ]*0x.*}}) and [{{0x.*,[ ]*0x.*}}) overlap |
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| 45 | // CHECK: {{#0 0x.* in .*strcat}} |
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| 46 | // CHECK: {{#1 0x.* in bad_function.*strcat-overlap.cpp:}}[[@LINE+2]] |
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| 47 | // CHECK: {{#2 0x.* in main .*strcat-overlap.cpp:}}[[@LINE+5]] |
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| 48 | strcat(dest: buffer, src: buffer + 1); // BOOM |
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| 49 | } |
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| 50 | |
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| 51 | int main(int argc, char **argv) { |
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| 52 | bad_function(); |
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| 53 | return 0; |
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| 54 | } |
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| 55 | |
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