Re: [PATCH] scsi: lpfc: Fix a use after free in lpfc_nvme_unsol_ls_handler()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Subject: Re: [PATCH] scsi: lpfc: Fix a use after free in lpfc_nvme_unsol_ls_handler()
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Thu, 14 May 2020 20:21:30 -0400
Cc: James Smart <james.smart@xxxxxxxxxxxx>, Dick Kennedy <dick.kennedy@xxxxxxxxxxxx>, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Hannes Reinecke <hare@xxxxxxx>, Paul Ely <paul.ely@xxxxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, kernel-janitors@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>
In-reply-to: <20200512181909.GA299091@mwanda> (Dan Carpenter's message of "Tue, 12 May 2020 21:19:09 +0300")
Organization: Oracle Corporation
References: <20200512181909.GA299091@mwanda>
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.91 (gnu/linux)

Dan,

> The "axchg" pointer is dereferenced when we call the
> lpfc_nvme_unsol_ls_issue_abort() function.  It can't be either freed or
> NULL.
>
> Fixes: 3a8070c567aa ("lpfc: Refactor NVME LS receive handling")

This fix needs to go through the NVMe tree.

-- 
Martin K. Petersen	Oracle Linux Engineering

Follow-Ups:
- [PATCH resend] scsi: lpfc: Fix a use after free in lpfc_nvme_unsol_ls_handler()
  - From: Dan Carpenter

References:
- [PATCH] scsi: lpfc: Fix a use after free in lpfc_nvme_unsol_ls_handler()
  - From: Dan Carpenter

Prev by Date: Re: [PATCH] MAINTAINERS: adjust to livepatch .klp.arch removal
Next by Date: Re: [PATCH][next] rtw88: 8723d: fix incorrect setting of ldo_pwr
Previous by thread: Re: [PATCH] scsi: lpfc: Fix a use after free in lpfc_nvme_unsol_ls_handler()
Next by thread: [PATCH resend] scsi: lpfc: Fix a use after free in lpfc_nvme_unsol_ls_handler()
Index(es):
- Date
- Thread

[Index of Archives] [Kernel Development] [Kernel Announce] [Kernel Newbies] [Linux Networking Development] [Share Photos] [IDE] [Security] [Git] [Netfilter] [Yosemite News] [MIPS Linux] [ARM Linux] [Device Mapper]