linux-kernel - Re: [PATCH net] bcm63xx_enet: fix sporadic kernel panic

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <f382effd-a4f5-b860-c521-5728f1f6200d@gmail.com>
Date:   Sun, 21 Feb 2021 21:05:50 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Sieng Piaw Liew <liew.s.piaw@...il.com>, davem@...emloft.net,
        kuba@...nel.org
Cc:     bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] bcm63xx_enet: fix sporadic kernel panic



On 2/21/2021 17:35, Sieng Piaw Liew wrote:
> In ndo_stop functions, netdev_completed_queue() is called during forced
> tx reclaim, after netdev_reset_queue(). This may trigger kernel panic if
> there is any tx skb left.
> 
> This patch moves netdev_reset_queue() to after tx reclaim, so BQL can
> complete successfully then reset.
> 
> Signed-off-by: Sieng Piaw Liew <liew.s.piaw@...il.com>

Acked-by: Florian Fainelli <f.fainelli@...il.com>
Fixes: 4c59b0f5543d ("bcm63xx_enet: add BQL support")
-- 
Florian