IB/ipath: Fix possible data corruption if multiple SGEs used for receive

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The code to copy data from the receive queue buffers to the IB SGEs
doesn't check the SGE length, only the memory region/page length when
copying data.  This could overwrite parts of the user's memory that
were not intended to be written.  It can only happen if multiple SGEs
are used to describe a receive buffer which almost never happens in
practice.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

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This commit is contained in:

Ralph Campbell 2007-06-18 14:24:44 -07:00 • committed by Roland Dreier

parent db5518cd09

commit 30d149ab58

3 changed files with 10 additions and 2 deletions

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2

drivers/infiniband/hw/ipath/ipath_ruc.c

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2

drivers/infiniband/hw/ipath/ipath_ud.c

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8

drivers/infiniband/hw/ipath/ipath_verbs.c

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