f46a52b536
Summary: Intercept vfork on arm, aarch64, i386 and x86_64. Reviewers: pcc, vitalybuka Subscribers: kubamracek, mgorny, javed.absar, krytarowski, kristof.beyls, #sanitizers, llvm-commits Tags: #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D58533 llvm-svn: 355030
33 lines
724 B
C
33 lines
724 B
C
// https://github.com/google/sanitizers/issues/925
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// RUN: %clang_hwasan -O0 %s -o %t && %run %t 2>&1
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// REQUIRES: aarch64-target-arch || x86_64-target-arch
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#include <assert.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <sanitizer/hwasan_interface.h>
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__attribute__((noinline, no_sanitize("hwaddress"))) void child() {
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char x[10000];
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__hwasan_tag_memory(x, 0xAA, sizeof(x));
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_exit(0);
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}
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__attribute__((noinline, no_sanitize("hwaddress"))) void parent() {
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char x[10000];
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__hwasan_print_shadow(&x, sizeof(x));
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assert(__hwasan_test_shadow(x, sizeof(x)) == -1);
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}
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int main(int argc, char **argv) {
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if (vfork())
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parent();
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else
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child();
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return 0;
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}
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