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33 lines
687 B
33 lines
687 B
4 months ago
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// RUN: %clangxx_asan -O0 %s -o %t && %run %t
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// RUN: %clangxx_asan -O0 %s -DPOSITIVE -o %t && not %run %t 2>&1 | FileCheck %s
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// Test the readv() interceptor.
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#include <assert.h>
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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 <fcntl.h>
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#include <sys/uio.h>
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#include <time.h>
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int main() {
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char buf[2011];
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struct iovec iov[2];
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#ifdef POSITIVE
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char * volatile buf_ = buf;
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iov[0].iov_base = buf_ - 1;
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#else
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iov[0].iov_base = buf + 1;
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#endif
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iov[0].iov_len = 5;
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iov[1].iov_base = buf + 10;
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iov[1].iov_len = 2000;
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int fd = open("/etc/hosts", O_RDONLY);
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assert(fd > 0);
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readv(fd, iov, 2);
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// CHECK: WRITE of size 5 at
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close(fd);
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return 0;
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}
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