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Fix infloop on persistent failing calloc in regex.

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Jim Meyering 2010-12-27 18:19:56 -05:00 committed by Ulrich Drepper
parent db014c1269
commit 2543fef229
3 changed files with 10 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2010-12-27 Jim Meyering <meyering@redhat.com>
[BZ #12348]
* posix/regexec.c (build_trtable): Return failure indication upon
calloc failure. Otherwise, re_search_internal could infloop on OOM.
2010-12-25 Ulrich Drepper <drepper@gmail.com>
[BZ #12201]

4
NEWS
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@ -1,4 +1,4 @@
GNU C Library NEWS -- history of user-visible changes. 2010-12-26
GNU C Library NEWS -- history of user-visible changes. 2010-12-27
Copyright (C) 1992-2009, 2010 Free Software Foundation, Inc.
See the end for copying conditions.
@ -12,7 +12,7 @@ Version 2.13
3268, 7066, 10085, 10851, 11149, 11611, 11640, 11655, 11701, 11840, 11856,
11883, 11903, 11904, 11968, 11979, 12005, 12037, 12067, 12077, 12078, 12092,
12093, 12107, 12108, 12113, 12140, 12159, 12167, 12191, 12194, 12201, 12204,
12205, 12207
12205, 12207, 12348
* New Linux interfaces: prlimit, prlimit64, fanotify_init, fanotify_mark

2
posix/regexec.c
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@ -3373,6 +3373,8 @@ build_trtable (const re_dfa_t *dfa, re_dfastate_t *state)
{
state->trtable = (re_dfastate_t **)
calloc (sizeof (re_dfastate_t *), SBC_MAX);
if (BE (state->trtable == NULL, 0))
return 0;
return 1;
}
return 0;