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hw/rdma: Fix possible out of bounds access to port GID index

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Make sure the backend GID index is less then port's
gid table length.

Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Message-Id: <20180430200223.4119-8-marcel.apfelbaum@gmail.com>
This commit is contained in:
Marcel Apfelbaum 2018-04-30 23:02:23 +03:00
parent 6c080b9ea6
commit d18a530d85
1 changed files with 1 additions and 1 deletions
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2
hw/rdma/rdma_backend.c
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@ -774,7 +774,7 @@ int rdma_backend_init(RdmaBackendDev *backend_dev,
goto out_destroy_comm_channel;
}
if (backend_dev->backend_gid_idx > port_attr.gid_tbl_len) {
if (backend_dev->backend_gid_idx >= port_attr.gid_tbl_len) {
error_setg(errp, "Invalid backend_gid_idx, should be less than %d",
port_attr.gid_tbl_len);
goto out_destroy_comm_channel;