Re: [PATCH] scsi: libiscsi: fix possible NULL pointer dereference in case of TMF

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To: Varun Prakash <varun@xxxxxxxxxxx>
Subject: Re: [PATCH] scsi: libiscsi: fix possible NULL pointer dereference in case of TMF
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Thu, 12 Jul 2018 23:08:42 -0400
Cc: linux-scsi@xxxxxxxxxxxxxxx, martin.petersen@xxxxxxxxxx, lduncan@xxxxxxxx, cleech@xxxxxxxxxx, indranil@xxxxxxxxxxx
In-reply-to: <1531327192-11975-1-git-send-email-varun@chelsio.com> (Varun Prakash's message of "Wed, 11 Jul 2018 22:09:52 +0530")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux)

Varun,

> In iscsi_check_tmf_restrictions() task->hdr is dereferenced to print
> the opcode, it is possible that task->hdr is NULL.

Applied to 4.18/scsi-fixes, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
- [PATCH] scsi: libiscsi: fix possible NULL pointer dereference in case of TMF
  - From: Varun Prakash

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