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authorAtin Mukherjee <amukherj@redhat.com>2019-06-25 11:11:10 +0530
committerRinku Kothiya <rkothiya@redhat.com>2019-07-20 07:40:12 +0000
commit4ad6dd3ca8cd558b853c7df0d6cd34dd22dff7d3 (patch)
tree9f966f9a0238d1f9a51444c2ba88678fed878f05
parent908d3bc0b34489c506fafa0f796f6d710768d934 (diff)
glusterd: conditionally clear txn_opinfo in stage op
...otherwise this leads to a crash when volume status is run on a heterogeneous mode. > Fixes: bz#1723658 > Change-Id: I0d39f412b2e5e9d3ef0a3462b90b38bb5364b09d > Signed-off-by: Atin Mukherjee <amukherj@redhat.com> > (cherry picked from commit a72452fcf90679b28baec12d2769cbaa982bb4e4) Fixes: bz#1728127 Change-Id: I0d39f412b2e5e9d3ef0a3462b90b38bb5364b09d Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-op-sm.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
index e9eefdfd859..9ab8930be26 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
@@ -5469,9 +5469,14 @@ glusterd_op_ac_stage_op(glusterd_op_sm_event_t *event, void *ctx)
glusterd_op_info_t txn_op_info = {
{0},
};
+ glusterd_conf_t *priv = NULL;
this = THIS;
GF_ASSERT(this);
+
+ priv = this->private;
+ GF_ASSERT(priv);
+
GF_ASSERT(ctx);
req_ctx = ctx;
@@ -5523,9 +5528,12 @@ out:
gf_msg_debug(this->name, 0, "Returning with %d", ret);
/* for no volname transactions, the txn_opinfo needs to be cleaned up
- * as there's no unlock event triggered
+ * as there's no unlock event triggered. However if the originator node of
+ * this transaction is still running with a version lower than 60000,
+ * txn_opinfo can't be cleared as that'll lead to a race of referring op_ctx
+ * after it's being freed.
*/
- if (txn_op_info.skip_locking)
+ if (txn_op_info.skip_locking && priv->op_version >= GD_OP_VERSION_6_0)
ret = glusterd_clear_txn_opinfo(txn_id);
if (rsp_dict)