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Date:   Thu, 20 Aug 2020 12:09:40 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net 1/1] net/smc: Prevent kernel-infoleak in

From: Ursula Braun <>
Date: Thu, 20 Aug 2020 16:30:52 +0200

> From: Peilin Ye <>
> __smc_diag_dump() is potentially copying uninitialized kernel stack memory
> into socket buffers, since the compiler may leave a 4-byte hole near the
> beginning of `struct smcd_diag_dmbinfo`. Fix it by initializing `dinfo`
> with memset().
> Cc:

Please do not CC: stable for networking patches as per the netdev FAQ.

> Fixes: 4b1b7d3b30a6 ("net/smc: add SMC-D diag support")
> Suggested-by: Dan Carpenter <>
> Signed-off-by: Peilin Ye <>
> Signed-off-by: Ursula Braun <>

Applied and queued up for -stable, thank you.

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