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  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:   Sun, 21 Jul 2019 12:29:58 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     brking@...ux.vnet.ibm.com
Cc:     GR-everest-linux-l2@...vell.com, skalluru@...vell.com,
        aelior@...vell.com, netdev@...r.kernel.org
Subject: Re: [PATCH] bnx2x: Prevent load reordering in tx completion
 processing

From: Brian King <brking@...ux.vnet.ibm.com>
Date: Mon, 15 Jul 2019 16:41:50 -0500

> This patch fixes an issue seen on Power systems with bnx2x which results
> in the skb is NULL WARN_ON in bnx2x_free_tx_pkt firing due to the skb
> pointer getting loaded in bnx2x_free_tx_pkt prior to the hw_cons
> load in bnx2x_tx_int. Adding a read memory barrier resolves the issue.
> 
> Signed-off-by: Brian King <brking@...ux.vnet.ibm.com>

Applied and queued up for -stable.

Powered by blists - more mailing lists