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Date:   Tue, 25 Sep 2018 10:55:54 -0400 (EDT)
From:   Vladis Dronov <>
To:     Alan Stern <>
Cc:     Greg Kroah-Hartman <>,
        Oliver Neukum <>,
        Hans de Goede <>,,,, stable <>
Subject: Re: [PATCH] usb: usbfs: fix crash in

> What reason is there for having two different fixes for the same bug?
> This one isn't going to get into any mainline trees that don't already
> have c9a4cb204e9e.

I believe this is the right thing to do, so usb_find_alt_setting()
is not called with a known-bad argument.

Honestly, I would change "if (!config)" in usb_find_alt_setting() to
"BUG_ON(!config)" so we know when its callers do smth wrong and go
fix callers. Unfortunately, I understand this hardly will be accepted.

Best regards,
Vladis Dronov | Red Hat, Inc. | Product Security Engineer

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