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