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annotate compiler-rt/test/msan/poison_in_free.cpp @ 222:81f6424ef0e3 llvm-original

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LLVM original branch
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 18 Jul 2021 22:10:01 +0900
parents 1d019706d866
children
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1 // RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1
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2 // FileCheck %s <%t.out
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3 // RUN: %clangxx_msan -O0 %s -o %t && MSAN_OPTIONS=poison_in_free=0 %run %t >%t.out 2>&1
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4
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7 #include <string.h>
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8
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9 int main(int argc, char **argv) {
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10 char *volatile x = (char*)malloc(50 * sizeof(char));
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11 memset(x, 0, 50);
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12 free(x);
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13 return x[25];
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14 // CHECK: MemorySanitizer: use-of-uninitialized-value
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15 // CHECK: #0 {{.*}} in main{{.*}}poison_in_free.cpp:[[@LINE-2]]
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16 }