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(parent: d84eeff) | 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)
committerBen Hutchings <ben@decadent.org.uk>
Tue, 13 Feb 2018 18:32:22 +0000 (18:32 +0000)
commit60daca9efbb3e4109ebc1f7069543e5573fc124e
treeca4699912145836e12803bc6b0e433bebc8cb276tree | snapshot
parentd84eeff84e9869d29f442ff652ce1352cfa63e84commit | diff
RDS: Heap OOB write in rds_message_alloc_sgs()

commit c095508770aebf1b9218e77026e48345d719b17c upstream.

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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
net/rds/rdma.c diff | blob | history
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