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Fix localedef collation handling of <U0000> (bug 15948).

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Richard Sandiford 2013-10-18 20:58:31 +00:00 committed by Joseph Myers
parent c7738d0822
commit 5abe068233
3 changed files with 15 additions and 3 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2013-10-18 Richard Sandiford <richard@codesourcery.com>
Joseph Myers <joseph@codesourcery.com
[BZ #15948]
* locale/programs/ld-collate.c (new_element): Handle <U0000> as a
single character.
(add_to_tablewc): Assert sequence of wide characters is nonempty.
2013-10-18 Siddhesh Poyarekar <siddhesh@redhat.com>
* elf/tst-tls-dlinfo.c: Don't include tls.h.

6
NEWS
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@ -14,9 +14,9 @@ Version 2.19
15609, 15610, 15632, 15640, 15672, 15680, 15681, 15723, 15734, 15735,
15736, 15748, 15749, 15754, 15760, 15764, 15797, 15844, 15847, 15849,
15855, 15856, 15857, 15859, 15867, 15886, 15887, 15890, 15892, 15893,
15895, 15897, 15905, 15909, 15919, 15921, 15923, 15939, 15963, 15966,
15895, 15897, 15905, 15909, 15919, 15921, 15923, 15939, 15963, 15966,
15988, 16032, 16034, 16036, 16041.
15895, 15897, 15905, 15909, 15919, 15921, 15923, 15939, 15948, 15963,
15966, 15895, 15897, 15905, 15909, 15919, 15921, 15923, 15939, 15963,
15966, 15988, 16032, 16034, 16036, 16041.
* CVE-2012-4412 The strcoll implementation caches indices and rules for
large collation sequences to optimize multiple passes. This cache

4
locale/programs/ld-collate.c
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@ -352,6 +352,9 @@ new_element (struct locale_collate_t *collate, const char *mbs, size_t mbslen,
{
size_t nwcs = wcslen ((wchar_t *) wcs);
uint32_t zero = 0;
/* Handle <U0000> as a single character. */
if (nwcs == 0)
nwcs = 1;
obstack_grow (&collate->mempool, wcs, nwcs * sizeof (uint32_t));
obstack_grow (&collate->mempool, &zero, sizeof (uint32_t));
newp->wcs = (uint32_t *) obstack_finish (&collate->mempool);
@ -2078,6 +2081,7 @@ add_to_tablewc (uint32_t ch, struct element_t *runp)
weightidx = output_weightwc (atwc.weightpool, atwc.collate,
runp);
assert (runp->nwcs > 0);
added = (1 + 1 + runp->nwcs - 1) * sizeof (int32_t);
if (sizeof (int) == sizeof (int32_t))
obstack_make_room (atwc.extrapool, added);