[Bug libstdc++/65142] std::random_device Ignores Read Return Code (CVE-2015-5276)

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65142

--- Comment #16 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Oct  2 20:51:34 2015
New Revision: 228424

URL: https://gcc.gnu.org/viewcvs?rev=228424&root=gcc&view=rev
Log:
Backport PR libstdc++/65142 fix from mainline

        PR libstdc++/65142
        * src/c++11/random.cc (random_device::_M_getval()): Check read result
        and retry after short reads.

Modified:
    branches/gcc-4_9-branch/libstdc++-v3/ChangeLog
    branches/gcc-4_9-branch/libstdc++-v3/src/c++11/random.cc