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(parent: bc73b32) | patch
net_sched: gact: Fix potential panic in tcf_gact().
authorHiroaki SHIMODA <shimoda.hiroaki@gmail.com>
Fri, 3 Aug 2012 10:57:52 +0000 (19:57 +0900)
committerDavid S. Miller <davem@davemloft.net>
Fri, 3 Aug 2012 23:47:24 +0000 (16:47 -0700)
commite7c2cf259f55e64e3478d7a1057a0e8ab3d451b8
tree55090a298a1e20df7aaf7c27af2505c2c581eac1tree | snapshot
parentbc73b327d02296a4b97cf2e8a12aa5a230878bbecommit | diff
net_sched: gact: Fix potential panic in tcf_gact().

gact_rand array is accessed by gact->tcfg_ptype whose value
is assumed to less than MAX_RAND, but any range checks are
not performed.

So add a check in tcf_gact_init(). And in tcf_gact(), we can
reduce a branch.

Signed-off-by: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/act_gact.c diff | blob | history
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