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nss_dns: Fix assertion failure in _nss_dns_getcanonname_r [BZ #19865]

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Florian Weimer 2016-04-11 10:55:43 +02:00
parent eb68636fed
commit d29fb41f44
2 changed files with 13 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2016-04-11 Florian Weimer <fweimer@redhat.com>
[BZ #19865]
* resolv/nss_dns/dns-canon.c (_nss_dns_getcanonname_r): Restore
original buffer before retry.
2016-04-10 Samuel Thibault <samuel.thibault@ens-lyon.org>
* sysdeps/generic/ldsodefs.h (struct rtld_global_ro)

7
resolv/nss_dns/dns-canon.c
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@ -144,6 +144,13 @@ _nss_dns_getcanonname_r (const char *name, char *buffer, size_t buflen,
ptr += sizeof (uint16_t) + __ns_get16 (ptr);
}
}
/* Restore original buffer before retry. */
if (ansp.ptr != buf)
{
free (ansp.ptr);
ansp.ptr = buf;
}
}
out: