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| // RUN: %clangxx_msan -g -O0 %s -o %t && \
| // RUN: %run %t 2>&1
| // RUN: %clangxx_msan -g -O0 -DUNINIT=1 %s -o %t && \
| // RUN: not %run %t 2>&1 | FileCheck %s
|
| #include <assert.h>
| #include <string.h>
| #include <rpc/xdr.h>
|
| #include <sanitizer/msan_interface.h>
|
| int main(int argc, char *argv[]) {
| XDR xdrs;
| char buf[100];
| xdrmem_create(&xdrs, buf, sizeof(buf), XDR_ENCODE);
| char s[20];
| #ifndef UNINIT
| strcpy(s, "hello");
| #endif
| char *sp = s;
| bool_t res = xdr_string(&xdrs, &sp, sizeof(s));
| // CHECK: MemorySanitizer: use-of-uninitialized-value
| // CHECK: {{in main.*sunrpc_string.cc:}}[[@LINE-2]]
| assert(res == TRUE);
| xdr_destroy(&xdrs);
|
| xdrmem_create(&xdrs, buf, sizeof(buf), XDR_DECODE);
| char s2[20];
| char *sp2 = s2;
| res = xdr_string(&xdrs, &sp2, sizeof(s2));
| assert(res == TRUE);
| assert(strcmp(s, s2) == 0);
| xdr_destroy(&xdrs);
| return 0;
| }
|
|
