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irda: fix a potential use-after-free in ircomm_param_request
authorWANG Cong <xiyou.wangcong@gmail.com>
Fri, 29 Jan 2016 19:58:03 +0000 (11:58 -0800)
committerDavid S. Miller <davem@davemloft.net>
Sat, 30 Jan 2016 06:56:46 +0000 (22:56 -0800)
commit3d45296ab96c2ec8308226b3350a6d9e48379870
tree1842eaaeb44e9d2ac1d485833d0d7e3029e3a51atree
parentae9d723e9fbe9fb28213b7df26475791428bf76acommit | diff
irda: fix a potential use-after-free in ircomm_param_request

self->ctrl_skb is protected by self->spinlock, we should not
access it out of the lock. Move the debugging printk inside.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/irda/ircomm/ircomm_param.c diff | blob | blame | history
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