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Fix out of bounds access in findidxwc (bug 23442)

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If usrc is a prefix of cp but one character shorter an out of bounds
access to usrc was done.
This commit is contained in:
Andreas Schwab 2018-07-24 18:02:28 +02:00
parent 969c335506
commit 9c79cec8cd
2 changed files with 9 additions and 3 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2018-07-25 Andreas Schwab <schwab@suse.de>
[BZ #23442]
* locale/weightwc.h (findidx): Handle the case where usrc is a
prefix of cp but one character too short.
2018-07-24 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* NEWS: Add ISO C threads addition.

2
locale/weightwc.h
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@ -109,7 +109,7 @@ findidx (const int32_t *table,
break;
DIAG_POP_NEEDS_COMMENT;
if (cnt < nhere - 1)
if (cnt < nhere - 1 || cnt == len)
{
cp += 2 * nhere;
continue;