linux-kernel - Re: [PATCH -next] [SCSI] Fix NULL pointer dereference in handling for passthrough commands

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Message-ID: <388781f8-b9ce-abc2-148a-0498d32b6cb4@acm.org>
Date:   Sat, 4 Sep 2021 21:49:36 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Laibin Qiu <qiulaibin@...wei.com>, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, hare@...e.de
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] [SCSI] Fix NULL pointer dereference in handling for
 passthrough commands

On 9/3/21 23:45, Laibin Qiu wrote:
> In passthrough path. If the command size for ioctl request from userspace
> is 0. The original process will get cmd_len from cmd->cmnd, but It has
> not been assigned at this time. So it will trigger a NULL pointer BUG.

A Friday night in the middle of the merge window is not the best time to 
post a kernel patch. Anyway:
  Reviewed-by: Bart Van Assche <bvanassche@....org>