Resolves: RHEL-78253 - 'sssd_kcm' leaks memory [rhel-9]
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0003-KCM-another-memory-leak-fixed.patch
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59
0003-KCM-another-memory-leak-fixed.patch
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From e7c76df8c0fa4a361c433684553ba1384166a564 Mon Sep 17 00:00:00 2001
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From: Alexey Tikhonov <atikhono@redhat.com>
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Date: Wed, 12 Feb 2025 11:30:22 +0100
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Subject: [PATCH] KCM: another memory leak fixed
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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```
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...
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talloc_new: src/responder/kcm/kcmsrv_ccache.c:405 contains 0 bytes in 1 blocks (ref 0) 0x563feaabc0a0
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talloc_new: src/responder/kcm/kcmsrv_ccache.c:405 contains 0 bytes in 1 blocks (ref 0) 0x563feaa84f90
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talloc_new: src/responder/kcm/kcmsrv_ccache.c:405 contains 0 bytes in 1 blocks (ref 0) 0x563feaabf520
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...
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```
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Reviewed-by: Alejandro López <allopez@redhat.com>
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(cherry picked from commit 9e72bc242b600158d7920b2b98644efa42fd1ffa)
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---
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src/responder/kcm/kcmsrv_ccache.c | 8 +++++---
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1 file changed, 5 insertions(+), 3 deletions(-)
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diff --git a/src/responder/kcm/kcmsrv_ccache.c b/src/responder/kcm/kcmsrv_ccache.c
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index 6e4ea64e0..4f4f8b46a 100644
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--- a/src/responder/kcm/kcmsrv_ccache.c
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+++ b/src/responder/kcm/kcmsrv_ccache.c
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@@ -404,7 +404,7 @@ krb5_creds **kcm_cc_unmarshal(TALLOC_CTX *mem_ctx,
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tmp_ctx = talloc_new(NULL);
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if (tmp_ctx == NULL) {
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- goto done;
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+ goto fail;
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}
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for (cred = kcm_cc_get_cred(cc); cred != NULL; cred = kcm_cc_next_cred(cred)) {
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@@ -417,7 +417,7 @@ krb5_creds **kcm_cc_unmarshal(TALLOC_CTX *mem_ctx,
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cred_list[i] = kcm_cred_to_krb5(krb_context, cred);
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if (cred_list[i] == NULL) {
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DEBUG(SSSDBG_CRIT_FAILURE, "Failed to convert kcm cred to krb5\n");
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- goto done;
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+ goto fail;
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}
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}
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@@ -426,8 +426,10 @@ krb5_creds **kcm_cc_unmarshal(TALLOC_CTX *mem_ctx,
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talloc_steal(mem_ctx, cred_list);
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+ talloc_free(tmp_ctx);
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return cred_list;
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-done:
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+
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+fail:
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talloc_free(tmp_ctx);
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return NULL;
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#endif
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--
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2.47.0
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@ -27,7 +27,7 @@
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Name: sssd
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Version: 2.9.6
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Release: 3%{?dist}
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Release: 4%{?dist}
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Summary: System Security Services Daemon
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License: GPLv3+
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URL: https://github.com/SSSD/sssd/
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@ -36,6 +36,7 @@ Source0: https://github.com/SSSD/sssd/releases/download/%{version}/sssd-%{versio
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### Patches ###
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Patch0001: 0001-SYSDB-Use-SYSDB_NAME-from-cached-entry-when-updating.patch
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Patch0002: 0002-KCM-fix-memory-leak.patch
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Patch0003: 0003-KCM-another-memory-leak-fixed.patch
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### Dependencies ###
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@ -1085,6 +1086,9 @@ fi
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%systemd_postun_with_restart sssd.service
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%changelog
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* Wed Feb 12 2025 Alexey Tikhonov <atikhono@redhat.com> - 2.9.6-4
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- Resolves: RHEL-78253 - 'sssd_kcm' leaks memory [rhel-9]
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* Mon Feb 10 2025 Alexey Tikhonov <atikhono@redhat.com> - 2.9.6-3
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- Resolves: RHEL-78253 - 'sssd_kcm' leaks memory [rhel-9]
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