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authorMintz, Yuval <Yuval.Mintz@cavium.com>2016-10-29 17:04:35 +0300
committerDavid S. Miller <davem@davemloft.net>2016-10-29 20:51:46 -0400
commit087892d29b75c025086d99b29d385a3dac0169fc (patch)
tree89e4196468b2f6c5267d8c725651371b6a8948cc /include/net
parent3034783472f5353f71af44ed52ad9ee65f9f6d17 (diff)
qede: Fix out-of-bound fastpath memory access
Driver allocates a shadow array for transmitted SKBs with X entries; That means valid indices are {0,...,X - 1}. [X == 8191] Problem is the driver also uses X as a mask for a producer/consumer in order to choose the right entry in the array which allows access to entry X which is out of bounds. To fix this, simply allocate X + 1 entries in the shadow array. Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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