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(parent: 38ae332) | patch
net/sched: pedit: make sure that offset is valid
authorAmir Vadai <amir@vadai.me>
Mon, 28 Nov 2016 10:56:40 +0000 (12:56 +0200)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 16 Mar 2017 02:18:55 +0000 (02:18 +0000)
commit03aeee0d1fc7fc4984b36acd3ac57b70c4a03e65
tree362f5e7495d7fe2439c7074062d4f22637dc7626tree | snapshot
parent38ae33284b4ba92a7b3f13efc60a11a051c947cbcommit | diff
net/sched: pedit: make sure that offset is valid

[ Upstream commit 95c2027bfeda21a28eb245121e6a249f38d0788e ]

Add a validation function to make sure offset is valid:
1. Not below skb head (could happen when offset is negative).
2. Validate both 'offset' and 'at'.

Signed-off-by: Amir Vadai <amir@vadai.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
net/sched/act_pedit.c diff | blob | history
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