From: <gregkh@linuxfoundation.org>
To: bianpan2016@163.com, alexander.levin@microsoft.com,
davem@davemloft.net, gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "wan: pc300too: abort path on failure" has been added to the 4.9-stable tree
Date: Thu, 22 Mar 2018 14:51:14 +0100 [thread overview]
Message-ID: <152172667425244@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
wan: pc300too: abort path on failure
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wan-pc300too-abort-path-on-failure.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From foo@baz Thu Mar 22 14:40:23 CET 2018
From: Pan Bian <bianpan2016@163.com>
Date: Sun, 23 Apr 2017 17:38:35 +0800
Subject: wan: pc300too: abort path on failure
From: Pan Bian <bianpan2016@163.com>
[ Upstream commit 2a39e7aa8a98f777f0732ca7125b6c9668791760 ]
In function pc300_pci_init_one(), on the ioremap error path, function
pc300_pci_remove_one() is called to free the allocated memory. However,
the path is not terminated, and the freed memory will be used later,
resulting in use-after-free bugs. This path fixes the bug.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/wan/pc300too.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/wan/pc300too.c
+++ b/drivers/net/wan/pc300too.c
@@ -347,6 +347,7 @@ static int pc300_pci_init_one(struct pci
card->rambase == NULL) {
pr_err("ioremap() failed\n");
pc300_pci_remove_one(pdev);
+ return -ENOMEM;
}
/* PLX PCI 9050 workaround for local configuration register read bug */
Patches currently in stable-queue which might be from bianpan2016@163.com are
queue-4.9/tipc-check-return-value-of-nlmsg_new.patch
queue-4.9/mt7601u-check-return-value-of-alloc_skb.patch
queue-4.9/rndis_wlan-add-return-value-validation.patch
queue-4.9/libertas-check-return-value-of-alloc_workqueue.patch
queue-4.9/staging-wilc1000-fix-unchecked-return-value.patch
queue-4.9/qlcnic-fix-unchecked-return-value.patch
queue-4.9/wan-pc300too-abort-path-on-failure.patch
queue-4.9/power-supply-isp1704-fix-unchecked-return-value-of-devm_kzalloc.patch
reply other threads:[~2018-03-22 13:53 UTC|newest]
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