forked from OSchip/llvm-project
42 lines
1.7 KiB
C
42 lines
1.7 KiB
C
// RUN: %clang_hwasan %s -DTEST_NO=1 -mllvm -hwasan-instrument-mem-intrinsics -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=WRITE
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// RUN: %clang_hwasan %s -DTEST_NO=2 -mllvm -hwasan-instrument-mem-intrinsics -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=READ
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// RUN: %clang_hwasan %s -DTEST_NO=3 -mllvm -hwasan-instrument-mem-intrinsics -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=WRITE
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// RUN: %clang_hwasan %s -DTEST_NO=2 -mllvm -hwasan-instrument-mem-intrinsics -o %t && not %env_hwasan_opts=halt_on_error=0 %run %t 2>&1 | FileCheck %s --check-prefix=RECOVER
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// REQUIRES: stable-runtime
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "utils.h"
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int main() {
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char Q[16] __attribute__((aligned(256)));
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char P[16] __attribute__((aligned(256)));
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#if TEST_NO == 1
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memset(Q, 0, 32);
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#elif TEST_NO == 2
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memmove(Q, Q + 16, 16);
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#elif TEST_NO == 3
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memcpy(Q, P, 32);
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#endif
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write(STDOUT_FILENO, UNTAG("recovered\n"), 10);
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// WRITE: ERROR: HWAddressSanitizer: tag-mismatch on address
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// WRITE: WRITE of size 32 at {{.*}} tags: [[PTR_TAG:..]]/[[MEM_TAG:..]] (ptr/mem)
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// WRITE: Invalid access starting at offset [16, 32)
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// WRITE: Memory tags around the buggy address (one tag corresponds to 16 bytes):
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// WRITE: =>{{.*}}[[PTR_TAG]]{{[[:space:]]\[}}[[MEM_TAG]]
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// WRITE-NOT: recovered
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// READ: ERROR: HWAddressSanitizer: tag-mismatch on address
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// READ-NOT: Invalid access starting at offset
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// READ: READ {{.*}} tags: [[PTR_TAG:..]]/[[MEM_TAG:..]] (ptr/mem)
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// READ: Memory tags around the buggy address (one tag corresponds to 16 bytes):
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// READ: =>{{.*}}[[PTR_TAG]]{{[[:space:]]\[}}[[MEM_TAG]]
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// READ-NOT: recovered
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// RECOVER: recovered
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return 0;
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}
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