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From: Cyrill Gorcunov <gorcunov@gmail.com>
To: tml <tarantool-patches@dev.tarantool.org>
Subject: [Tarantool-patches] [PATCH 2/2] box/applier: add missing diag_set on region_alloc failure
Date: Fri, 17 Jan 2020 16:29:29 +0300	[thread overview]
Message-ID: <20200117132929.11235-3-gorcunov@gmail.com> (raw)
In-Reply-To: <20200117132929.11235-1-gorcunov@gmail.com>

In case if we're hitting memory limit allocting triggers
we should setup diag error to prevent nil dereference
in diag_raise call for example from applier_apply_tx.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
---
 src/box/applier.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/box/applier.cc b/src/box/applier.cc
index 1a051e8c4..5b1efdabe 100644
--- a/src/box/applier.cc
+++ b/src/box/applier.cc
@@ -714,8 +714,11 @@ applier_apply_tx(struct stailq *rows)
 						     sizeof(struct trigger));
 	on_commit = (struct trigger *)region_alloc(&txn->region,
 						   sizeof(struct trigger));
-	if (on_rollback == NULL || on_commit == NULL)
+	if (on_rollback == NULL || on_commit == NULL) {
+		diag_set(OutOfMemory, sizeof(struct trigger),
+			 "region_alloc", "on_rollback/on_commit");
 		goto rollback;
+	}
 
 	trigger_create(on_rollback, applier_txn_rollback_cb, NULL, NULL);
 	txn_on_rollback(txn, on_rollback);
-- 
2.20.1

  parent reply	other threads:[~2020-01-17 13:29 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-17 13:29 [Tarantool-patches] [PATCH 0/2] origin/2.2: add missing diag_set calls on error paths Cyrill Gorcunov
2020-01-17 13:29 ` [Tarantool-patches] [PATCH 1/2] box/request: add missing OutOfMemory diag_set Cyrill Gorcunov
2020-01-17 13:29 ` Cyrill Gorcunov [this message]
2020-01-20  8:31   ` [Tarantool-patches] [PATCH 2/2] box/applier: add missing diag_set on region_alloc failure Konstantin Osipov
2020-01-20  8:44     ` Cyrill Gorcunov
2020-01-20 10:59     ` Cyrill Gorcunov

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