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Bluetooth: cmtp: fix information leak to userland

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Structure cmtp_conninfo is copied to userland with some padding fields
unitialized.  It leads to leaking of contents of kernel stack memory.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Vasiliy Kulikov 2010-10-30 18:26:26 +04:00 • committed by Gustavo F. Padovan
parent 5520d20f68
commit 3185fbd9d7
1 changed files with 1 additions and 0 deletions
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net/bluetooth/cmtp/core.c
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@ -78,6 +78,7 @@ static void __cmtp_unlink_session(struct cmtp_session *session)
static void __cmtp_copy_session(struct cmtp_session *session, struct cmtp_conninfo *ci) static void __cmtp_copy_session(struct cmtp_session *session, struct cmtp_conninfo *ci)
{ {
memset(ci, 0, sizeof(*ci));
bacpy(&ci->bdaddr, &session->bdaddr); bacpy(&ci->bdaddr, &session->bdaddr);
ci->flags = session->flags; ci->flags = session->flags;