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dirmngr: Fix use-after-free due to a realloc shrinking.

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* dirmngr/ks-engine-hkp.c (map_host): Do not use original pointer
after realloc.
--

vex01 reported and debugged the problem.

GnuPG-bug-id: 2107
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2015-10-02 11:31:45 +02:00
parent ddf9dd135a
commit 75c64c2b6d
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 2 additions and 2 deletions
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4
dirmngr/ks-engine-hkp.c
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@ -383,7 +383,7 @@ map_host (ctrl_t ctrl, const char *name, int force_reselect,
int n_v6, n_v4;
/* First figure out whether this is a pool. For a pool we
use a different strategy than for a plains erver: We use
use a different strategy than for a plain server: We use
the canonical name of the pool as the virtual host along
with the IP addresses. If it is not a pool, we use the
specified name. */
@ -512,7 +512,7 @@ map_host (ctrl_t ctrl, const char *name, int force_reselect,
xfree (reftbl);
return err;
}
qsort (reftbl, refidx, sizeof *reftbl, sort_hostpool);
qsort (hi->pool, refidx, sizeof *reftbl, sort_hostpool);
}
else
xfree (reftbl);