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(parent: a33d0f9) | patch
lwtunnel: check return value of nla_nest_start
authorPan Bian <bianpan2016@163.com>
Sun, 23 Apr 2017 06:28:37 +0000 (14:28 +0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 24 Apr 2017 19:51:30 +0000 (15:51 -0400)
commit8397f8efddf77bc71b2a813f44238fcb805559d0
treea948f0c673aedde2585c8f243a88e0c0bbbeae9ftree | snapshot
parenta33d0f98f937d0d33068974226029d7aac78f39fcommit | diff
lwtunnel: check return value of nla_nest_start

Function nla_nest_start() may return a NULL pointer on error. However,
in function lwtunnel_fill_encap(), the return value of nla_nest_start()
is not validated before it is used. This patch checks the return value
of nla_nest_start() against NULL.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/lwtunnel.c diff | blob | history
Linux Kernel Source Tree.