[LLVMbugs] [Bug 15702] New: Address sanitizer: setrlimit() fails

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Apr 8 10:53:59 PDT 2013


            Bug ID: 15702
           Summary: Address sanitizer: setrlimit() fails
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: martin at infinio.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

The following code:

#include <sys/resource.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>

int main()
    struct rlimit r;
    r.rlim_cur = RLIM_INFINITY;
    r.rlim_max = RLIM_INFINITY;
    int ret = setrlimit(RLIMIT_CORE, &r);
    fprintf(stderr, "ret: %d, errno: %d, message: %s\n", ret, errno,
    return 0;

Fails with EPERM when run with the address sanitizer:

$ clang -fsanitize=address ./setrlimit.c && ./a.out
ret: -1, errno: 1, message: Operation not permitted

But fine when run without:

$ clang ./setrlimit.c && ./a.out
ret: 0, errno: 0, message: Success

Trunk from today:

clang version 3.3 (179025)
Target: x86_64-unknown-linux-gnu
Thread model: posix

On Ubuntu 12.10.

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