Willem de Bruijn 468479e604 packet: avoid out of bounds read in round robin fanout ...

PACKET_FANOUT_LB computes f->rr_cur such that it is modulo
f->num_members. It returns the old value unconditionally, but
f->num_members may have changed since the last store. Ensure
that the return value is always < num.

When modifying the logic, simplify it further by replacing the loop
with an unconditional atomic increment.

Fixes: dc99f60069 ("packet: Add fanout support.")
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2015-06-21 10:24:37 -07:00

..

af_packet.c

packet: avoid out of bounds read in round robin fanout

2015-06-21 10:24:37 -07:00

diag.c

netlink: make nlmsg_end() and genlmsg_end() void

2015-01-18 01:03:45 -05:00

internal.h

net: Introduce possible_net_t

2015-03-12 14:39:40 -04:00

Kconfig

packet: Diag core and basic socket info dumping

2012-08-14 16:56:33 -07:00

Makefile

packet: Diag core and basic socket info dumping

2012-08-14 16:56:33 -07:00