Patch "crypto: algif_aead - Fix kernel panic on list_del" has been added to the 4.9-stable tree

This is a note to let you know that I've just added the patch titled

crypto: algif_aead - Fix kernel panic on list_del

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:
crypto-algif_aead-fix-kernel-panic-on-list_del.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 <[email protected]> know about it.

From: Harsh Jain <[email protected]>
Date: Wed, 1 Feb 2017 21:10:28 +0530
Subject: crypto: algif_aead - Fix kernel panic on list_del
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From: Harsh Jain <[email protected]>

commit 0b529f143e8baad441a5aac9ad55ec2434d8fb46 upstream.

Kernel panics when userspace program try to access AEAD interface.

Remove node from Linked List before freeing its memory.

---
 crypto/algif_aead.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

@@ -671,9 +671,9 @@ static int aead_recvmsg_sync(struct sock
 unlock:
 	list_for_each_entry_safe(rsgl, tmp, &ctx->list, list) {
 		af_alg_free_sg(&rsgl->sgl);
+		list_del(&rsgl->list);
 		if (rsgl != &ctx->first_rsgl)
 			sock_kfree_s(sk, rsgl, sizeof(*rsgl));
-		list_del(&rsgl->list);
 	}
 	INIT_LIST_HEAD(&ctx->list);
 	aead_wmem_wakeup(sk);

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/crypto-chcr-check-device-is-allocated-before-use.patch queue-4.9/crypto-algif_aead-fix-kernel-panic-on-list_del.patch