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Date:   Mon, 27 Jan 2020 20:04:45 -0800
From:   Jakub Kicinski <>
To:     Taehee Yoo <>
Subject: Re: [PATCH net v2 3/6] netdevsim: fix stack-out-of-bounds in

On Mon, 27 Jan 2020 14:30:34 +0000, Taehee Yoo wrote:
> When netdevsim dev is being created, a debugfs directory is created.
> The variable "dev_ddir_name" is 16bytes device name pointer and device
> name is "netdevsim<dev id>".
> The maximum dev id length is 10.
> So, 16bytes for device name isn't enough.

> Fixes: ab1d0cc004d7 ("netdevsim: change debugfs tree topology")
> Signed-off-by: Taehee Yoo <>

Reviewed-by: Jakub Kicinski <>

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