forked from OSchip/llvm-project
46 lines
2.1 KiB
C++
46 lines
2.1 KiB
C++
// RUN: %clangxx_asan -O2 %s -o %t
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// RUN: not %run %t -2 2>&1 | FileCheck --check-prefix=CHECK-m2 %s
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// RUN: not %run %t -1 2>&1 | FileCheck --check-prefix=CHECK-m1 %s
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// RUN: %run %t 0
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// RUN: %run %t 8
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// RUN: not %run %t 9 2>&1 | FileCheck --check-prefix=CHECK-9 %s
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// RUN: not %run %t 10 2>&1 | FileCheck --check-prefix=CHECK-10 %s
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// RUN: not %run %t 30 2>&1 | FileCheck --check-prefix=CHECK-30 %s
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// RUN: not %run %t 31 2>&1 | FileCheck --check-prefix=CHECK-31 %s
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// RUN: not %run %t 41 2>&1 | FileCheck --check-prefix=CHECK-41 %s
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// RUN: not %run %t 42 2>&1 | FileCheck --check-prefix=CHECK-42 %s
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// RUN: not %run %t 62 2>&1 | FileCheck --check-prefix=CHECK-62 %s
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// RUN: not %run %t 63 2>&1 | FileCheck --check-prefix=CHECK-63 %s
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// RUN: not %run %t 73 2>&1 | FileCheck --check-prefix=CHECK-73 %s
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// RUN: not %run %t 74 2>&1 | FileCheck --check-prefix=CHECK-74 %s
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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int main(int argc, char **argv) {
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assert(argc >= 2);
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int idx = atoi(argv[1]);
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char AAA[10], BBB[10], CCC[10];
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memset(AAA, 0, sizeof(AAA));
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memset(BBB, 0, sizeof(BBB));
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memset(CCC, 0, sizeof(CCC));
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int res = 0;
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char *p = AAA + idx;
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printf("AAA: %p\ny: %p\nz: %p\np: %p\n", AAA, BBB, CCC, p);
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// make sure BBB and CCC are not removed;
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return *(short*)(p) + BBB[argc % 2] + CCC[argc % 2];
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}
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// CHECK-m2: 'AAA'{{.*}} <== {{.*}}underflows this variable
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// CHECK-m1: 'AAA'{{.*}} <== {{.*}}partially underflows this variable
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// CHECK-9: 'AAA'{{.*}} <== {{.*}}partially overflows this variable
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// CHECK-10: 'AAA'{{.*}} <== {{.*}}overflows this variable
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// CHECK-30: 'BBB'{{.*}} <== {{.*}}underflows this variable
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// CHECK-31: 'BBB'{{.*}} <== {{.*}}partially underflows this variable
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// CHECK-41: 'BBB'{{.*}} <== {{.*}}partially overflows this variable
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// CHECK-42: 'BBB'{{.*}} <== {{.*}}overflows this variable
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// CHECK-62: 'CCC'{{.*}} <== {{.*}}underflows this variable
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// CHECK-63: 'CCC'{{.*}} <== {{.*}}partially underflows this variable
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// CHECK-73: 'CCC'{{.*}} <== {{.*}}partially overflows this variable
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// CHECK-74: 'CCC'{{.*}} <== {{.*}}overflows this variable
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// REQUIRES: shadow-scale-3
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