1*d21b3d34SFangrui Song // REQUIRES: sunrpc
2*d21b3d34SFangrui Song
3*d21b3d34SFangrui Song // RUN: %clangxx_msan -g -O0 %s -o %t && \
4*d21b3d34SFangrui Song // RUN: %run %t 2>&1
5*d21b3d34SFangrui Song // RUN: %clangxx_msan -g -O0 -DUNINIT=1 %s -o %t && \
6*d21b3d34SFangrui Song // RUN: not %run %t 2>&1 | FileCheck %s
7*d21b3d34SFangrui Song
8*d21b3d34SFangrui Song #include <assert.h>
9*d21b3d34SFangrui Song #include <string.h>
10*d21b3d34SFangrui Song #include <rpc/xdr.h>
11*d21b3d34SFangrui Song
12*d21b3d34SFangrui Song #include <sanitizer/msan_interface.h>
13*d21b3d34SFangrui Song
main(int argc,char * argv[])14*d21b3d34SFangrui Song int main(int argc, char *argv[]) {
15*d21b3d34SFangrui Song XDR xdrs;
16*d21b3d34SFangrui Song char buf[100];
17*d21b3d34SFangrui Song xdrmem_create(&xdrs, buf, sizeof(buf), XDR_ENCODE);
18*d21b3d34SFangrui Song char s[20];
19*d21b3d34SFangrui Song #ifndef UNINIT
20*d21b3d34SFangrui Song strcpy(s, "hello");
21*d21b3d34SFangrui Song #endif
22*d21b3d34SFangrui Song char *sp = s;
23*d21b3d34SFangrui Song bool_t res = xdr_string(&xdrs, &sp, sizeof(s));
24*d21b3d34SFangrui Song // CHECK: MemorySanitizer: use-of-uninitialized-value
25*d21b3d34SFangrui Song // CHECK: {{in main.*sunrpc_string.cpp:}}[[@LINE-2]]
26*d21b3d34SFangrui Song assert(res == TRUE);
27*d21b3d34SFangrui Song xdr_destroy(&xdrs);
28*d21b3d34SFangrui Song
29*d21b3d34SFangrui Song xdrmem_create(&xdrs, buf, sizeof(buf), XDR_DECODE);
30*d21b3d34SFangrui Song char s2[20];
31*d21b3d34SFangrui Song char *sp2 = s2;
32*d21b3d34SFangrui Song res = xdr_string(&xdrs, &sp2, sizeof(s2));
33*d21b3d34SFangrui Song assert(res == TRUE);
34*d21b3d34SFangrui Song assert(strcmp(s, s2) == 0);
35*d21b3d34SFangrui Song xdr_destroy(&xdrs);
36*d21b3d34SFangrui Song return 0;
37*d21b3d34SFangrui Song }
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