[Bug dynamic-link/20817] New: dlerror uses strerror in a thread-unsafe manner

["fweimer at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=20817

            Bug ID: 20817
           Summary: dlerror uses strerror in a thread-unsafe manner
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: dynamic-link
          Assignee: unassigned at sourceware dot org
          Reporter: fweimer at redhat dot com
  Target Milestone: ---
             Flags: security-

dlerror does this:

        n = __asprintf (&buf, "%s%s%s: %s",
                        result->objname,
                        result->objname[0] == '\0' ? "" : ": ",
                        _(result->errstring),
                        strerror (result->errcode));

strerror is not thread-safe, and the could should assign errno and use %m.

-- 
You are receiving this mail because:
You are on the CC list for the bug.