0cd70ea55b
Resolves: bz#1615578 bz#1619416 bz#1619538 bz#1620469 bz#1620765 Signed-off-by: Milind Changire <mchangir@redhat.com>
132 lines
4.8 KiB
Diff
132 lines
4.8 KiB
Diff
From 69e6933898a37ef7c929b2d4b5561e5e3a407be4 Mon Sep 17 00:00:00 2001
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From: Mohammed Rafi KC <rkavunga@redhat.com>
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Date: Thu, 16 Aug 2018 17:04:22 +0530
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Subject: [PATCH 353/359] snapshot/handshake: store description after strdup
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problem:
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During a handshake, when we import a friend data
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snap description variable was just referenced to
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dictionary value.
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Solution:
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snap description should have a separate memory allocated
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through gf_strdup
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>Change-Id: I94da0c57919e1228919231d1563a001362b100b8
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>fixes: bz#1618004
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>Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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upstream patch: https://review.gluster.org/#/c/glusterfs/+/20747/
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Change-Id: I94da0c57919e1228919231d1563a001362b100b8
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BUG: 1615578
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Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/147521
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
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---
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...-1618004-fix-memory-corruption-in-snap-import.t | 48 ++++++++++++++++++++++
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.../mgmt/glusterd/src/glusterd-snapshot-utils.c | 17 ++++++--
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2 files changed, 62 insertions(+), 3 deletions(-)
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create mode 100644 tests/bugs/snapshot/bug-1618004-fix-memory-corruption-in-snap-import.t
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diff --git a/tests/bugs/snapshot/bug-1618004-fix-memory-corruption-in-snap-import.t b/tests/bugs/snapshot/bug-1618004-fix-memory-corruption-in-snap-import.t
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new file mode 100644
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index 0000000..a2c004e
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--- /dev/null
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+++ b/tests/bugs/snapshot/bug-1618004-fix-memory-corruption-in-snap-import.t
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@@ -0,0 +1,48 @@
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+#!/bin/bash
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+
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+. $(dirname $0)/../../include.rc
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+. $(dirname $0)/../../volume.rc
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+. $(dirname $0)/../../snapshot.rc
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+. $(dirname $0)/../../cluster.rc
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+
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+function get_volume_info ()
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+{
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+ local var=$1
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+ $CLI_1 volume info $V0 | grep "^$var" | sed 's/.*: //'
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+}
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+
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+cleanup;
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+
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+TEST verify_lvm_version
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+TEST launch_cluster 2
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+TEST setup_lvm 2
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+
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+TEST $CLI_1 peer probe $H2;
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+EXPECT_WITHIN $PROBE_TIMEOUT 1 peer_count;
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+
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+TEST $CLI_1 volume create $V0 $H1:$L1 $H2:$L2
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+EXPECT "$V0" get_volume_info 'Volume Name';
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+EXPECT 'Created' get_volume_info 'Status';
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+
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+TEST $CLI_1 volume start $V0
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+EXPECT 'Started' get_volume_info 'Status';
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+
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+
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+# Setting system limit
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+TEST $CLI_1 snapshot config activate-on-create enable
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+
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+TEST $CLI_1 snapshot create snap1 $V0 no-timestamp description "test"
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+TEST kill_glusterd 1
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+#deactivate snapshot for changing snap version, so that handshake will
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+#happen when glusterd is restarted
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+TEST $CLI_2 snapshot deactivate snap1
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+TEST start_glusterd 1
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+
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+#Wait till handshake complete
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+EXPECT_WITHIN ${PROCESS_UP_TIMEOUT} 'Stopped' snapshot_status snap1
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+
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+#Delete the snapshot, without this fix, delete will lead to assertion failure
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+$CLI_1 snapshot delete all
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+EXPECT '0' get_snap_count CLI_1;
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+cleanup;
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+
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diff --git a/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c b/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c
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index ad206f6..48cf326 100644
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--- a/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c
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+++ b/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c
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@@ -766,7 +766,7 @@ glusterd_add_snap_to_dict (glusterd_snap_t *snap, dict_t *peer_data,
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}
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if (snap->description) {
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- snprintf (buf, sizeof(buf), "%s.snapid", prefix);
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+ snprintf (buf, sizeof(buf), "%s.description", prefix);
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ret = dict_set_dynstr_with_alloc (peer_data, buf,
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snap->description);
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if (ret) {
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@@ -1551,6 +1551,7 @@ glusterd_import_friend_snap (dict_t *peer_data, int32_t snap_count,
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{
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char buf[NAME_MAX] = "";
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char prefix[NAME_MAX] = "";
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+ char *description = NULL;
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dict_t *dict = NULL;
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glusterd_snap_t *snap = NULL;
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glusterd_volinfo_t *snap_vol = NULL;
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@@ -1590,8 +1591,18 @@ glusterd_import_friend_snap (dict_t *peer_data, int32_t snap_count,
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strncpy (snap->snapname, peer_snap_name, sizeof (snap->snapname) - 1);
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gf_uuid_parse (peer_snap_id, snap->snap_id);
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- snprintf (buf, sizeof(buf), "%s.snapid", prefix);
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- ret = dict_get_str (peer_data, buf, &snap->description);
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+ snprintf (buf, sizeof(buf), "%s.description", prefix);
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+ ret = dict_get_str (peer_data, buf, &description);
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+ if (ret == 0 && description) {
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+ snap->description = gf_strdup (description);
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+ if (snap->description == NULL) {
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+ gf_msg (this->name, GF_LOG_ERROR, 0,
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+ GD_MSG_SNAP_CREATION_FAIL,
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+ "Saving the Snapshot Description Failed");
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+ ret = -1;
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+ goto out;
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+ }
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+ }
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snprintf (buf, sizeof(buf), "%s.time_stamp", prefix);
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ret = dict_get_int64 (peer_data, buf, &snap->time_stamp);
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--
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1.8.3.1
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