diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 20 |
2 files changed, 24 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 3b61bc8ce7..1bb856896b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2013-10-25 Siddhesh Poyarekar <siddhesh@redhat.com> + + [BZ #16072] + * sysdeps/posix/getaddrinfo.c (gethosts): Allocate tmpbuf on + heap for large requests. + 2013-10-25 Aurelien Jarno <aurelien@aurel32.net> [BZ #9954] diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index 8a27f0ddb7..09aeb38e6b 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -197,7 +197,22 @@ gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp, &rc, &herrno, NULL, &localcanon)); \ if (rc != ERANGE || herrno != NETDB_INTERNAL) \ break; \ - tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen); \ + if (!malloc_tmpbuf && __libc_use_alloca (alloca_used + 2 * tmpbuflen)) \ + tmpbuf = extend_alloca_account (tmpbuf, tmpbuflen, 2 * tmpbuflen, \ + alloca_used); \ + else \ + { \ + char *newp = realloc (malloc_tmpbuf ? tmpbuf : NULL, \ + 2 * tmpbuflen); \ + if (newp == NULL) \ + { \ + result = -EAI_MEMORY; \ + goto free_and_return; \ + } \ + tmpbuf = newp; \ + malloc_tmpbuf = true; \ + tmpbuflen = 2 * tmpbuflen; \ + } \ } \ if (status == NSS_STATUS_SUCCESS && rc == 0) \ h = &th; \ @@ -209,7 +224,8 @@ gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp, { \ __set_h_errno (herrno); \ _res.options |= old_res_options & RES_USE_INET6; \ - return -EAI_SYSTEM; \ + result = -EAI_SYSTEM; \ + goto free_and_return; \ } \ if (herrno == TRY_AGAIN) \ no_data = EAI_AGAIN; \ |