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resolv: Fix memory leak with OOM during resolv.conf parsing [BZ #22095]

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(cherry picked from commit 5670c4ab25)
This commit is contained in:
Florian Weimer 2017-09-06 15:46:54 +02:00
parent 3005466abe
commit 905a612914
3 changed files with 12 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2017-09-06 Florian Weimer <fweimer@redhat.com>
[BZ #22095]
* resolv/res_init.c (res_vinit_1): Avoid memory leak in case of
dynarray allocation failure.
2017-09-06 Florian Weimer <fweimer@redhat.com> 2017-09-06 Florian Weimer <fweimer@redhat.com>
Remove dead PTR IPv4-to-IPv6 mapping code from nss_dns. Remove dead PTR IPv4-to-IPv6 mapping code from nss_dns.

1
NEWS
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@ -28,6 +28,7 @@ The following bugs are resolved with this release:
[21932] Unpaired __resolv_context_get in generic get*_r implementation [21932] Unpaired __resolv_context_get in generic get*_r implementation
[21941] powerpc: Restrict xssqrtqp operands to Vector Registers [21941] powerpc: Restrict xssqrtqp operands to Vector Registers
[21972] assert macro requires operator== (int) for its argument type [21972] assert macro requires operator== (int) for its argument type
[22095] resolv: Fix memory leak with OOM during resolv.conf parsing
Version 2.26 Version 2.26

5
resolv/res_init.c
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@ -446,6 +446,11 @@ res_vinit_1 (FILE *fp, struct resolv_conf_parser *parser)
(&parser->nameserver_list); (&parser->nameserver_list);
if (p != NULL) if (p != NULL)
*p = sa; *p = sa;
else
{
free (sa);
return false;
}
} }
continue; continue;
} }