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Thu, 05 Feb 2026 07:55:46 -0800 (PST) Message-ID: <91c3fbcd-dd8c-4633-96c4-9b60022cb857@kernel.dk> Date: Thu, 5 Feb 2026 08:55:46 -0700 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [GIT PULL] nvme fixes for 6.19, final To: Keith Busch Cc: linux-nvme@lists.infradead.org, hch@lst.de, linux-block@vger.kernel.org References: Content-Language: en-US From: Jens Axboe In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/5/26 8:54 AM, Keith Busch wrote: > On Thu, Feb 05, 2026 at 08:49:35AM -0700, Jens Axboe wrote: >> On 2/5/26 8:47 AM, Jens Axboe wrote: >>> On 2/5/26 8:38 AM, Keith Busch wrote: >>>> Hi Jens, >>>> >>>> Some late fixes for nvme that should go in this release. One for a pci >>>> regression that causes a kernel panic during certain dma conditions. The >>>> other fixes a vulnerability in the tcp target. >>>> >>>> The following changes since commit 4da7c5c3ec34d839bba6e035c3d05c447a2f9d4f: >>>> >>>> bcache: fix I/O accounting leak in detached_dev_do_request (2026-01-28 19:06:55 -0700) >>>> >>>> are available in the Git repository at: >>>> >>>> git://git.infradead.org/nvme.git tags/nvme-6.19-2026-02-05 >>>> >>>> for you to fetch changes up to 52a0a98549344ca20ad81a4176d68d28e3c05a5c: >>>> >>>> nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec (2026-02-05 07:29:10 -0800) >>>> >>>> ---------------------------------------------------------------- >>>> nvme fixes for Linux 6.19 >>>> >>>> - Fix NULL pointer access setting up dma mappings (Keith) >>>> - Fix invalid memory access from malformed TCP PDU (YunJe) >>>> >>>> ---------------------------------------------------------------- >>>> Keith Busch (1): >>>> nvme-pci: handle changing device dma map requirements >>> >>> After this one, iod in nvme_pci_prp_iter_next() is now unused, which >>> will trigger a compiler warning... >> >> Actually this is only true in the 7.0 based branches. Should be fine >> for 6.19, I'll add a commit for the 7.0 merge. > > Yeah, I initially applied this to 7.0 with it removed, but we decided > this was a nasty and easy to hit bug that 6.19 is better of having fixed > on release. I had to leave the 'iod' in for the 6.19 port, so looks like > we'll have a merge conflict for the next cycle. It actually merges cleanly, but you then end up with that leftover iod. If it hadn't merged cleanly, I would've seen it before building it :-) -- Jens Axboe