From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
To: Andreas Noever <andreas.noever@gmail.com>,
Michael Jamet <michael.jamet@intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Yehezkel Bernat <yehezkel.bernat@intel.com>
Cc: linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <garsilva@embeddedor.com>
Subject: [PATCH] thunderbolt: tb: fix use after free in tb_activate_pcie_devices
Date: Sat, 4 Nov 2017 23:52:54 -0500 [thread overview]
Message-ID: <20171105045254.GA13399@embeddedor.com> (raw)
Add a ̣̣continue statement in order to avoid using a previously
free'd pointer tunnel in list_add.
Addresses-Coverity-ID: 1415336
Fixes: 9d3cce0b6136 ("thunderbolt: Introduce thunderbolt bus and connection manager")
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
drivers/thunderbolt/tb.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index d674e06..1424581 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -225,6 +225,7 @@ static void tb_activate_pcie_devices(struct tb *tb)
tb_port_info(up_port,
"PCIe tunnel activation failed, aborting\n");
tb_pci_free(tunnel);
+ continue;
}
list_add(&tunnel->list, &tcm->tunnel_list);
--
2.7.4
next reply other threads:[~2017-11-05 4:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-05 4:52 Gustavo A. R. Silva [this message]
2017-11-06 9:18 ` [PATCH] thunderbolt: tb: fix use after free in tb_activate_pcie_devices Mika Westerberg
2017-11-06 13:16 ` Gustavo A. R. Silva
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