]> git.baikalelectronics.ru Git - kernel.git/commit
llc: fix NULL pointer deref for SOCK_ZAPPED
authorCong Wang <xiyou.wangcong@gmail.com>
Fri, 20 Apr 2018 04:54:34 +0000 (21:54 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sun, 22 Apr 2018 18:56:22 +0000 (14:56 -0400)
commit1df7428fa158457923651f8be23d18e46557509c
tree52d1a44181da326f2fc5805efbd5875d159bc7b3
parent5cf0b6988b41b3722510cd8be93d06fef3b2f2d6
llc: fix NULL pointer deref for SOCK_ZAPPED

For SOCK_ZAPPED socket, we don't need to care about llc->sap,
so we should just skip these refcount functions in this case.

Fixes: ea436b152a2a ("llc: hold llc_sap before release_sock()")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/llc/af_llc.c