This is a note to let you know that I've just added the patch titled
aio: fix possible invalid memory access when DEBUG is enabled
to the 3.8-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:
aio-fix-possible-invalid-memory-access-when-debug-is-enabled.patch
and it can be found in the queue-3.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 91d80a84bbc8f28375cca7e65ec666577b4209ad Mon Sep 17 00:00:00 2001
From: Zhao Hongjiang <zhaohongjiang@xxxxxxxxxx>
Date: Fri, 26 Apr 2013 11:03:53 +0800
Subject: aio: fix possible invalid memory access when DEBUG is enabled
From: Zhao Hongjiang <zhaohongjiang@xxxxxxxxxx>
commit 91d80a84bbc8f28375cca7e65ec666577b4209ad upstream.
dprintk() shouldn't access @ring after it's unmapped.
Signed-off-by: Zhao Hongjiang <zhaohongjiang@xxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/aio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1027,9 +1027,9 @@ static int aio_read_evt(struct kioctx *i
spin_unlock(&info->ring_lock);
out:
- kunmap_atomic(ring);
dprintk("leaving aio_read_evt: %d h%lu t%lu\n", ret,
(unsigned long)ring->head, (unsigned long)ring->tail);
+ kunmap_atomic(ring);
return ret;
}
Patches currently in stable-queue which might be from zhaohongjiang@xxxxxxxxxx are
queue-3.8/aio-fix-possible-invalid-memory-access-when-debug-is-enabled.patch
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