Commit 28eaad75 authored Aug 11, 2015 by David S. Miller

bluetooth



Johan Hedberg says:

====================
pull request: bluetooth 2015-08-11

Here's an important regression fix for the 4.2-rc series that ensures
user space isn't given invalid LTK values. The bug essentially prevents
the encryption of subsequent LE connections, i.e. makes it impossible to
pair devices over LE.

Let me know if there are any issues pulling. Thanks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

parents c68875fa cb92205b

net/bluetooth/mgmt.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -7820,7 +7820,7 @@ void mgmt_new_ltk(struct hci_dev hdev, struct smp_ltk key, bool persistent)
		/* Make sure we copy only the significant bytes based on the
		* encryption key size, and set the rest of the value to zeroes.
		*/
		memcpy(ev.key.val, key->val, sizeof(key->enc_size));
		memcpy(ev.key.val, key->val, key->enc_size);
		memset(ev.key.val + key->enc_size, 0,
		sizeof(ev.key.val) - key->enc_size);

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