linux-kernel - Re: [PATCH] ath9k: revert "ath9k: hif_usb: fix race condition between usb_get_urb() and usb_kill_anchored

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Date:   Mon,  2 Nov 2020 18:22:10 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Brooke Basile <brookebasile@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Brooke Basile <brookebasile@...il.com>
Subject: Re: [PATCH] ath9k: revert "ath9k: hif_usb: fix race condition between
 usb_get_urb() and usb_kill_anchored_urbs()"

Brooke Basile <brookebasile@...il.com> wrote:

> A bug in USB/IP previously caused all syzkaller USB fuzzing instances to
> return false positives when testing crash reproducers.
> This patch reverts changes made in commit 03fb92a432ea which, due to
> this bug, returned false positives when tested and introduced new
> regressions.
> 
> Fixes: 03fb92a432ea ("ath9k: hif_usb: fix race condition between usb_get_urb() and usb_kill_anchored_urbs()")
> Signed-off-by: Brooke Basile <brookebasile@...il.com>

More background info is needed so that I'm not reverting the revert soon. What
were the new regressions? Do you have a pointer to the discussion? All this
should be in the commit log. But I can add those, just provide them in this
thread.

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20201012220809.23225-1-brookebasile@gmail.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches