389-ds-base/SOURCES/0017-Issue-4483-heap-use-after-free-in-slapi_be_getsuffix.patch

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Diff

From 1386b140d8cc81d37fdea6593487fe542587ccac Mon Sep 17 00:00:00 2001
From: Mark Reynolds <mreynolds@redhat.com>
Date: Wed, 9 Dec 2020 09:52:08 -0500
Subject: [PATCH] Issue 4483 - heap-use-after-free in slapi_be_getsuffix
Description: heap-use-after-free in slapi_be_getsuffix after disk
monitoring runs. This feature is freeing a list of
backends which it does not need to do.
Fixes: https://github.com/389ds/389-ds-base/issues/4483
Reviewed by: firstyear & tbordaz(Thanks!!)
---
ldap/servers/slapd/daemon.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/ldap/servers/slapd/daemon.c b/ldap/servers/slapd/daemon.c
index 49199e4df..691f77570 100644
--- a/ldap/servers/slapd/daemon.c
+++ b/ldap/servers/slapd/daemon.c
@@ -606,12 +606,6 @@ disk_monitoring_thread(void *nothing __attribute__((unused)))
now = start;
while ((now - start) < grace_period) {
if (g_get_shutdown()) {
- be_index = 0;
- if (be_list[be_index] != NULL) {
- while ((be = be_list[be_index++])) {
- slapi_be_free(&be);
- }
- }
slapi_ch_array_free(dirs);
dirs = NULL;
return;
@@ -706,12 +700,7 @@ disk_monitoring_thread(void *nothing __attribute__((unused)))
}
}
}
- be_index = 0;
- if (be_list[be_index] != NULL) {
- while ((be = be_list[be_index++])) {
- slapi_be_free(&be);
- }
- }
+
slapi_ch_array_free(dirs);
dirs = NULL; /* now it is not needed but the code may be changed in the future and it'd better be more robust */
g_set_shutdown(SLAPI_SHUTDOWN_DISKFULL);
--
2.26.2