This is a note to let you know that I've just added the patch titled
wan: pc300too: abort path on failure
to the 4.4-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-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Thu Mar 22 14:57:32 CET 2018
From: Pan Bian <bianpan2016@xxxxxxx>
Date: Sun, 23 Apr 2017 17:38:35 +0800
Subject: wan: pc300too: abort path on failure
From: Pan Bian <bianpan2016@xxxxxxx>
[ 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@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxx are
queue-4.4/mt7601u-check-return-value-of-alloc_skb.patch
queue-4.4/rndis_wlan-add-return-value-validation.patch
queue-4.4/staging-wilc1000-fix-unchecked-return-value.patch
queue-4.4/qlcnic-fix-unchecked-return-value.patch
queue-4.4/wan-pc300too-abort-path-on-failure.patch