27 lines
594 B
C
27 lines
594 B
C
// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
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#include <stdlib.h>
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void __attribute__((noinline)) foo(int *mem) {
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free(mem);
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}
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void __attribute__((noinline)) bar(int *mem) {
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mem[0] = 42;
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}
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int main() {
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int *mem = (int*)malloc(100);
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foo(mem);
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bar(mem);
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return 0;
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}
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// CHECK: WARNING: ThreadSanitizer: heap-use-after-free
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// CHECK: Write of size 4 at {{.*}} by main thread:
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// CHECK: #0 bar
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// CHECK: #1 main
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// CHECK: Previous write of size 8 at {{.*}} by main thread:
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// CHECK: #0 free
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// CHECK: #{{1|2}} foo
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// CHECK: #{{2|3}} main
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