In case of power failure followed by filesystem issues locale-archive
can end-up containing all zeros. In that case all calls to setlocale()
generate a SIGFPE. This renders a system with a default non-C locale
unbootable.
Avoid this by ignoring the locale instead of generating a SIGFPE.
+2013-12-03 Aurelien Jarno <aurelien@aurel32.net>
+
+ * locale/loadarchive.c (_nl_load_locale_from_archive): Avoid
+ division by 0.
+
2013-12-03 Siddhesh Poyarekar <siddhesh@redhat.com>
[BZ #16195]
namehashtab = (struct namehashent *) ((char *) head
+ head->namehash_offset);
+ /* Avoid division by 0 if the file is corrupted. */
+ if (__glibc_unlikely (head->namehash_size == 0))
+ goto close_and_out;
+
idx = hval % head->namehash_size;
incr = 1 + hval % (head->namehash_size - 2);