From: patchwork-bot+netdevbpf@kernel.org
To: Dipayaan Roy <dipayanroy@linux.microsoft.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
decui@microsoft.com, andrew+netdev@lunn.ch, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
leon@kernel.org, longli@microsoft.com, kotaranov@microsoft.com,
horms@kernel.org, shradhagupta@linux.microsoft.com,
ssengar@linux.microsoft.com, ernis@linux.microsoft.com,
shirazsaleem@microsoft.com, linux-hyperv@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-rdma@vger.kernel.org, stephen@networkplumber.org,
jacob.e.keller@intel.com, dipayanroy@microsoft.com,
leitao@debian.org, kees@kernel.org, john.fastabend@gmail.com,
hawk@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net,
ast@kernel.org, sdf@fomichev.me, yury.norov@gmail.com
Subject: Re: [PATCH net, v3] net: mana: Fix crash from unvalidated SHM offset read from BAR0 during FLR
Date: Tue, 05 May 2026 13:50:05 +0000 [thread overview]
Message-ID: <177798900580.2064937.15974739888920715703.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <afQUMClyjmBVfD+u@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Thu, 30 Apr 2026 19:47:12 -0700 you wrote:
> During Function Level Reset recovery, the MANA driver reads
> hardware BAR0 registers that may temporarily contain garbage values.
> The SHM (Shared Memory) offset read from GDMA_REG_SHM_OFFSET is used
> to compute gc->shm_base, which is later dereferenced via readl() in
> mana_smc_poll_register(). If the hardware returns an unaligned or
> out-of-range value, the driver must not blindly use it, as this would
> propagate the hardware error into a kernel crash.
>
> [...]
Here is the summary with links:
- [net,v3] net: mana: Fix crash from unvalidated SHM offset read from BAR0 during FLR
https://git.kernel.org/netdev/net/c/95084f1883a7
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2026-05-05 13:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-01 2:47 [PATCH net, v3] net: mana: Fix crash from unvalidated SHM offset read from BAR0 during FLR Dipayaan Roy
2026-05-05 13:42 ` Paolo Abeni
2026-05-05 16:28 ` Dipayaan Roy
2026-05-05 13:50 ` patchwork-bot+netdevbpf [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=177798900580.2064937.15974739888920715703.git-patchwork-notify@kernel.org \
--to=patchwork-bot+netdevbpf@kernel.org \
--cc=andrew+netdev@lunn.ch \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=davem@davemloft.net \
--cc=decui@microsoft.com \
--cc=dipayanroy@linux.microsoft.com \
--cc=dipayanroy@microsoft.com \
--cc=edumazet@google.com \
--cc=ernis@linux.microsoft.com \
--cc=haiyangz@microsoft.com \
--cc=hawk@kernel.org \
--cc=horms@kernel.org \
--cc=jacob.e.keller@intel.com \
--cc=john.fastabend@gmail.com \
--cc=kees@kernel.org \
--cc=kotaranov@microsoft.com \
--cc=kuba@kernel.org \
--cc=kys@microsoft.com \
--cc=leitao@debian.org \
--cc=leon@kernel.org \
--cc=linux-hyperv@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=longli@microsoft.com \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=sdf@fomichev.me \
--cc=shirazsaleem@microsoft.com \
--cc=shradhagupta@linux.microsoft.com \
--cc=ssengar@linux.microsoft.com \
--cc=stephen@networkplumber.org \
--cc=wei.liu@kernel.org \
--cc=yury.norov@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox