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From 6d7049a19029331266f70f68d860bbccef01a35d Mon Sep 17 00:00:00 2001
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From: Nikhil Ladha <nladha@redhat.com>
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Date: Thu, 8 Jul 2021 11:26:54 +0530
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Subject: [PATCH 601/610] coverity: resource leak (#2321)
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Issue:
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Variable `arg` is not freed before the function exits,
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and leads to resource leak.
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Fix:
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Free the arg variable if the status of function call
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`glusterd_compare_friend_volume` is
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`GLUSTERD_VOL_COMP_UPDATE_REQ`, or if the `glusterd_launch_synctask`
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fails to start the process.
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And, added a check for return value on calling
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`glusterd_launch_synctask` function and exit if the
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thread creation fails.
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CID: 1401716
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>Updates: #1060
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>Change-Id: I4abd621771f88853d8d01e9039cdee2f3d862c4f
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>Signed-off-by: nik-redhat <nladha@redhat.com>
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Upstream link: https://github.com/gluster/glusterfs/pull/2321
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BUG: 1997447
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Change-Id: Ida81dfcd58c5ef45d3ae036d6bd6b36dc6693538
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Signed-off-by: nik-redhat <nladha@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/c/rhs-glusterfs/+/280090
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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xlators/mgmt/glusterd/src/glusterd-utils.c | 10 +++++++---
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xlators/mgmt/glusterd/src/glusterd-utils.h | 2 +-
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2 files changed, 8 insertions(+), 4 deletions(-)
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diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
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index c037933..cec9c20 100644
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--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
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+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
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@@ -5371,6 +5371,7 @@ glusterd_compare_friend_data(dict_t *peer_data, dict_t *cmp, int32_t *status,
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if (GLUSTERD_VOL_COMP_RJT == *status) {
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ret = 0;
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+ update = _gf_false;
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goto out;
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}
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if (GLUSTERD_VOL_COMP_UPDATE_REQ == *status) {
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@@ -5385,11 +5386,12 @@ glusterd_compare_friend_data(dict_t *peer_data, dict_t *cmp, int32_t *status,
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* first brick to come up before attaching the subsequent bricks
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* in case brick multiplexing is enabled
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*/
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- glusterd_launch_synctask(glusterd_import_friend_volumes_synctask, arg);
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+ ret = glusterd_launch_synctask(glusterd_import_friend_volumes_synctask,
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+ arg);
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}
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out:
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- if (ret && arg) {
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+ if ((ret || !update) && arg) {
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dict_unref(arg->peer_data);
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dict_unref(arg->peer_ver_data);
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GF_FREE(arg);
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@@ -13115,7 +13117,7 @@ gd_default_synctask_cbk(int ret, call_frame_t *frame, void *opaque)
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return ret;
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}
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-void
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+int
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glusterd_launch_synctask(synctask_fn_t fn, void *opaque)
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{
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xlator_t *this = NULL;
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@@ -13131,6 +13133,8 @@ glusterd_launch_synctask(synctask_fn_t fn, void *opaque)
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gf_msg(this->name, GF_LOG_CRITICAL, 0, GD_MSG_SPAWN_SVCS_FAIL,
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"Failed to spawn bricks"
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" and other volume related services");
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+
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+ return ret;
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}
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/*
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diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.h b/xlators/mgmt/glusterd/src/glusterd-utils.h
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index 4541471..3f4f3b8 100644
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--- a/xlators/mgmt/glusterd/src/glusterd-utils.h
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+++ b/xlators/mgmt/glusterd/src/glusterd-utils.h
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@@ -681,7 +681,7 @@ int32_t
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glusterd_take_lvm_snapshot(glusterd_brickinfo_t *brickinfo,
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char *origin_brick_path);
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-void
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+int
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glusterd_launch_synctask(synctask_fn_t fn, void *opaque);
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int
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--
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1.8.3.1
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