* Patch "IB/core: Bound check alternate path port number" has been added to the 4.14-stable tree
@ 2017-12-18 12:01 gregkh
0 siblings, 0 replies; only message in thread
From: gregkh @ 2017-12-18 12:01 UTC (permalink / raw)
To: danielj, dledford, gregkh, leon, parav; +Cc: stable, stable-commits
This is a note to let you know that I've just added the patch titled
IB/core: Bound check alternate path port number
to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ib-core-bound-check-alternate-path-port-number.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 4cae8ff136782d77b108cb3a5ba53e60597ba3a6 Mon Sep 17 00:00:00 2001
From: Daniel Jurgens <danielj@mellanox.com>
Date: Tue, 5 Dec 2017 22:30:01 +0200
Subject: IB/core: Bound check alternate path port number
From: Daniel Jurgens <danielj@mellanox.com>
commit 4cae8ff136782d77b108cb3a5ba53e60597ba3a6 upstream.
The alternate port number is used as an array index in the IB
security implementation, invalid values can result in a kernel panic.
Fixes: d291f1a65232 ("IB/core: Enforce PKey security on QPs")
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/infiniband/core/uverbs_cmd.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1982,6 +1982,12 @@ static int modify_qp(struct ib_uverbs_fi
goto release_qp;
}
+ if ((cmd->base.attr_mask & IB_QP_ALT_PATH) &&
+ !rdma_is_port_valid(qp->device, cmd->base.alt_port_num)) {
+ ret = -EINVAL;
+ goto release_qp;
+ }
+
attr->qp_state = cmd->base.qp_state;
attr->cur_qp_state = cmd->base.cur_qp_state;
attr->path_mtu = cmd->base.path_mtu;
Patches currently in stable-queue which might be from danielj@mellanox.com are
queue-4.14/ib-core-don-t-enforce-pkey-security-on-smi-mads.patch
queue-4.14/ib-core-bound-check-alternate-path-port-number.patch
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2017-12-18 12:01 Patch "IB/core: Bound check alternate path port number" has been added to the 4.14-stable tree gregkh
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