forked from OSchip/llvm-project
81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
// RUN: %clang_dfsan -gmlt -DOFFSET=0 -mllvm -dfsan-track-origins=1 %s -o %t && \
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// RUN: %run %t >%t.out 2>&1
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// RUN: FileCheck %s --check-prefix=CHECK0 < %t.out
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//
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// RUN: %clang_dfsan -gmlt -DOFFSET=10 -mllvm -dfsan-track-origins=1 %s -o %t && \
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// RUN: %run %t >%t.out 2>&1
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// RUN: FileCheck %s --check-prefix=CHECK10 < %t.out
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//
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// REQUIRES: x86_64-target-arch
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#include <sanitizer/dfsan_interface.h>
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#include <string.h>
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char xx[10000];
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char yy[10000];
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volatile int idx = 30;
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__attribute__((noinline)) void fn_g(char a, char b) {
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xx[idx] = a; xx[idx + 10] = b;
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}
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__attribute__((noinline)) void fn_f(char a, char b) {
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fn_g(a, b);
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}
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__attribute__((noinline)) void fn_h() {
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memcpy(&yy[2], &xx[2], sizeof(xx) - 4);
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}
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__attribute__((noinline)) void fn_i() {
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memmove(&yy[25], &yy, 7500);
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}
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int main(int argc, char *argv[]) {
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char volatile z1 = 0;
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int volatile buffer = 0;
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char volatile z2 = 0;
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dfsan_set_label(8, (void *)&z1, sizeof(z1));
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dfsan_set_label(16, (void *)&z2, sizeof(z2));
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fn_f(z1, z2);
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fn_h();
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fn_i();
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dfsan_print_origin_trace(&yy[25 + idx + OFFSET], NULL);
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return 0;
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}
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// CHECK0: Taint value 0x8 {{.*}} origin tracking ()
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// CHECK0: Origin value: {{.*}}, Taint value was stored to memory at
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// CHECK0: #0 {{.*}} in fn_i.dfsan {{.*}}origin_unaligned_memtrans.c:[[@LINE-18]]
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// CHECK0: #1 {{.*}} in main {{.*}}origin_unaligned_memtrans.c:[[@LINE-8]]
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// CHECK0: Origin value: {{.*}}, Taint value was stored to memory at
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// CHECK0: #0 {{.*}} in fn_h.dfsan {{.*}}origin_unaligned_memtrans.c:[[@LINE-26]]
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// CHECK0: #1 {{.*}} in main {{.*}}origin_unaligned_memtrans.c:[[@LINE-13]]
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// CHECK0: Origin value: {{.*}}, Taint value was stored to memory at
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// CHECK0: #0 {{.*}} in fn_g.dfsan {{.*}}origin_unaligned_memtrans.c:[[@LINE-38]]
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// CHECK0: #1 {{.*}} in fn_f.dfsan {{.*}}origin_unaligned_memtrans.c:[[@LINE-35]]
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// CHECK0: #2 {{.*}} in main {{.*}}origin_unaligned_memtrans.c:[[@LINE-19]]
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// CHECK0: Origin value: {{.*}}, Taint value was created at
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// CHECK0: #0 {{.*}} in main {{.*}}origin_unaligned_memtrans.c:[[@LINE-24]]
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// CHECK10: Taint value 0x10 {{.*}} origin tracking
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// CHECK10: Origin value: {{.*}}, Taint value was stored to memory at
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// CHECK10: #0 {{.*}} in fn_i.dfsan {{.*}}origin_unaligned_memtrans.c:[[@LINE-35]]
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// CHECK10: #1 {{.*}} in main {{.*}}origin_unaligned_memtrans.c:[[@LINE-25]]
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// CHECK10: Origin value: {{.*}}, Taint value was stored to memory at
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// CHECK10: #0 {{.*}} in fn_h.dfsan {{.*}}origin_unaligned_memtrans.c:[[@LINE-43]]
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// CHECK10: #1 {{.*}} in main {{.*}}origin_unaligned_memtrans.c:[[@LINE-30]]
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// CHECK10: Origin value: {{.*}}, Taint value was stored to memory at
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// CHECK10: #0 {{.*}} in fn_g.dfsan {{.*}}origin_unaligned_memtrans.c:[[@LINE-55]]
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// CHECK10: #1 {{.*}} in fn_f.dfsan {{.*}}origin_unaligned_memtrans.c:[[@LINE-52]]
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// CHECK10: #2 {{.*}} in main {{.*}}origin_unaligned_memtrans.c:[[@LINE-36]]
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// CHECK10: Origin value: {{.*}}, Taint value was created at
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// CHECK10: #0 {{.*}} in main {{.*}}origin_unaligned_memtrans.c:[[@LINE-40]]
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