This is a note to let you know that I've just added the patch titled
drivers/rtc/rtc-spear.c: fix use-after-free in spear_rtc_remove()
to the 3.4-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:
drivers-rtc-rtc-spear.c-fix-use-after-free-in-spear_rtc_remove.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 2a643893e50fde71d7ba84b5592ec61b467b9ab6 Mon Sep 17 00:00:00 2001
From: Devendra Naga <[email protected]>
Date: Wed, 11 Jul 2012 14:01:53 -0700
Subject: drivers/rtc/rtc-spear.c: fix use-after-free in spear_rtc_remove()
From: Devendra Naga <[email protected]>
commit 2a643893e50fde71d7ba84b5592ec61b467b9ab6 upstream.
`config' is freed and is then used in the rtc_device_unregister() call,
causing a kernel panic.
Signed-off-by: Devendra Naga <[email protected]>
Reviewed-by: Viresh Kumar <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/rtc/rtc-spear.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -457,12 +457,12 @@ static int __devexit spear_rtc_remove(st
clk_disable(config->clk);
clk_put(config->clk);
iounmap(config->ioaddr);
- kfree(config);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res)
release_mem_region(res->start, resource_size(res));
platform_set_drvdata(pdev, NULL);
rtc_device_unregister(config->rtc);
+ kfree(config);
return 0;
}
Patches currently in stable-queue which might be from [email protected]
are
queue-3.4/drivers-rtc-rtc-spear.c-fix-use-after-free-in-spear_rtc_remove.patch
queue-3.4/r8169-call-netif_napi_del-at-errpaths-and-at-driver-unload.patch
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