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Date:   Mon, 03 Aug 2020 15:10:38 -0700 (PDT)
From:   David Miller <>
Subject: Re: [Linux-kernel-mentees] [PATCH net] openvswitch: Prevent
 kernel-infoleak in ovs_ct_put_key()

From: Peilin Ye <>
Date: Fri, 31 Jul 2020 00:48:38 -0400

> ovs_ct_put_key() is potentially copying uninitialized kernel stack memory
> into socket buffers, since the compiler may leave a 3-byte hole at the end
> of `struct ovs_key_ct_tuple_ipv4` and `struct ovs_key_ct_tuple_ipv6`. Fix
> it by initializing `orig` with memset().
> Cc:

Please don't CC: stable for networking fixes.

> Fixes: 9dd7f8907c37 ("openvswitch: Add original direction conntrack tuple to sw_flow_key.")
> Suggested-by: Dan Carpenter <>
> Signed-off-by: Peilin Ye <>

Applied and queued up for -stable, thank you.

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