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(parent: 84a4734) | patch
packet: Don't write vnet header beyond end of buffer
authorBenjamin Poirier <bpoirier@suse.com>
Mon, 28 Aug 2017 18:29:41 +0000 (14:29 -0400)
committerBen Hutchings <ben@decadent.org.uk>
Tue, 19 Sep 2017 01:34:05 +0000 (02:34 +0100)
commit8b8605e1415af3f45736e8d0f61eca5c10bc6454
treef2233a78244c57447eea2e36855519f79898c902tree | snapshot
parent84a47343ced85671adb2e1b26bb8ba64426127cbcommit | diff
packet: Don't write vnet header beyond end of buffer

... which may happen with certain values of tp_reserve and maclen.

Fixes: 58d19b19cd99 ("packet: vnet_hdr support for tpacket_rcv")
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Cc: Willem de Bruijn <willemb@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Gbp-Pq: Topic bugfix/all
Gbp-Pq: Name packet-don-t-write-vnet-header-beyond-end-of-buffer.patch
net/packet/af_packet.c diff | blob | history
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