RE: [PATCH net] macvlan: fix null pointer dereference in macvlan_changelink_sources()

2021-01-04 Thread wangyunjian
> -Original Message- > From: Jakub Kicinski [mailto:k...@kernel.org] > Sent: Tuesday, January 5, 2021 5:35 AM > To: wangyunjian > Cc: netdev@vger.kernel.org; da...@davemloft.net; Lilijun (Jerry) > ; xudingke > Subject: Re: [PATCH net] macvlan: fix null p

Re: [PATCH net] macvlan: fix null pointer dereference in macvlan_changelink_sources()

2021-01-04 Thread Jakub Kicinski
On Wed, 30 Dec 2020 18:38:15 +0800 wangyunjian wrote: > From: Yunjian Wang > > Currently pointer data is dereferenced when declaring addr before > pointer data is null checked. This could lead to a null pointer > dereference. Fix this by checking if pointer data is null first. > > Fixes: 79cf79a

[PATCH net] macvlan: fix null pointer dereference in macvlan_changelink_sources()

2020-12-30 Thread wangyunjian
From: Yunjian Wang Currently pointer data is dereferenced when declaring addr before pointer data is null checked. This could lead to a null pointer dereference. Fix this by checking if pointer data is null first. Fixes: 79cf79abce71 ("macvlan: add source mode") Signed-off-by: Yunjian Wang ---