summary refs log tree commit diff stats
path: root/scripts/tracetool/backend/syslog.py
diff options
context:
space:
mode:
authorPrasad J Pandit <pjp@fedoraproject.org>2018-12-13 01:00:34 +0530
committerMarcel Apfelbaum <marcel.apfelbaum@gmail.com>2018-12-22 11:09:57 +0200
commit0e68373cc2b3a063ce067bc0cc3edaf370752890 (patch)
treeaaf689ada6d7b8f1cc0dcde50100213a86470762 /scripts/tracetool/backend/syslog.py
parentcce648613bc802be1b894227f7fd94d88476ea07 (diff)
downloadfocaccia-qemu-0e68373cc2b3a063ce067bc0cc3edaf370752890.tar.gz
focaccia-qemu-0e68373cc2b3a063ce067bc0cc3edaf370752890.zip
rdma: check num_sge does not exceed MAX_SGE
rdma back-end has scatter/gather array ibv_sge[MAX_SGE=4] set
to have 4 elements. A guest could send a 'PvrdmaSqWqe' ring element
with 'num_sge' set to > MAX_SGE, which may lead to OOB access issue.
Add check to avoid it.

Reported-by: Saar Amar <saaramar5@gmail.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Diffstat (limited to 'scripts/tracetool/backend/syslog.py')
0 files changed, 0 insertions, 0 deletions