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(parent: ed2f216) | patch
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)
commite9ed5f9e9ecefcc421784571f50e86ec6ab1ee76
tree52d1a44181da326f2fc5805efbd5875d159bc7b3tree | snapshot
parented2f216bd40635b6ea386d904898f3a77be671f0commit | diff
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: a27d53f742c2 ("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 diff | blob | history
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