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From 814108dc02a4de5d0333e9c2713f809fc3d2da47 Mon Sep 17 00:00:00 2001
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From: Sumit Bose <sbose@redhat.com>
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Date: Wed, 18 Apr 2018 10:20:06 +0200
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Subject: [PATCH] nss-idmap: do not set a limit
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If the limit is set the needed size to return all groups cannot be
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returned.
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Related to https://pagure.io/SSSD/sssd/issue/3715
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Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
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(cherry picked from commit 46a4c265629d9b725c41f22849741ce7342bdd85)
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DOWNSTREAM:
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Resolves: rhbz#1570527 - memory management issue in the sssd_nss_ex interface can cause the ns-slapd process on IPA server to crash [rhel-7.5.z]
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---
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src/sss_client/idmap/sss_nss_ex.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/sss_client/idmap/sss_nss_ex.c b/src/sss_client/idmap/sss_nss_ex.c
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index af6a95180656b598bcb94c209dfa821cb0275f02..f56bffcc24a7e2503e23a892541a9242ed4b5069 100644
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--- a/src/sss_client/idmap/sss_nss_ex.c
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+++ b/src/sss_client/idmap/sss_nss_ex.c
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@@ -96,7 +96,9 @@ errno_t sss_nss_mc_get(struct nss_input *inp)
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inp->result.initgrrep.start,
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inp->result.initgrrep.ngroups,
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&(inp->result.initgrrep.groups),
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- *(inp->result.initgrrep.ngroups));
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+ /* no limit so that needed size can
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+ * be returned properly */
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+ -1);
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break;
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default:
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return EINVAL;
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--
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2.14.3
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