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(parent: c0ad2a4) | patch
RDS: Heap OOB write in rds_message_alloc_sgs()
authorMohamed Ghannam <simo.ghannam@gmail.com>
Tue, 2 Jan 2018 19:44:34 +0000 (19:44 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 3 Jan 2018 16:23:05 +0000 (11:23 -0500)
commit187d50d5e231203839d82aa197e706194b718d34
tree1f112b635b9bde56a91b6b3de0045f3cbc8ff5eftree | snapshot
parentc0ad2a47f7eeeae0ab2d2d2663beb37acbf4be7ecommit | diff
RDS: Heap OOB write in rds_message_alloc_sgs()

When args->nr_local is 0, nr_pages gets also 0 due some size
calculation via rds_rm_size(), which is later used to allocate
pages for DMA, this bug produces a heap Out-Of-Bound write access
to a specific memory region.

Signed-off-by: Mohamed Ghannam <simo.ghannam@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/rds/rdma.c diff | blob | history
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