From: Simon Horman <horms@kernel.org>
To: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Jinjie Ruan <ruanjinjie@huawei.com>,
Jesse Brandeburg <jesse.brandeburg@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Jacob Keller <jacob.e.keller@intel.com>,
intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH net-next 1/2] igb: Fix an end of loop test
Date: Fri, 6 Oct 2023 13:20:34 +0200 [thread overview]
Message-ID: <ZR/tginYKa7Zcwug@kernel.org> (raw)
In-Reply-To: <4d61f086-c7b4-4762-b025-0ba5df08968b@moroto.mountain>
On Thu, Oct 05, 2023 at 04:57:21PM +0300, Dan Carpenter wrote:
> When we exit a list_for_each_entry() without hitting a break statement,
> the list iterator isn't NULL, it just point to an offset off the
> list_head. In that situation, it wouldn't be too surprising for
> entry->free to be true and we end up corrupting memory.
>
> The way to test for these is to just set a flag.
>
> Fixes: c1fec890458a ("ethernet/intel: Use list_for_each_entry() helper")
> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2023-10-06 11:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-05 13:57 [PATCH net-next 1/2] igb: Fix an end of loop test Dan Carpenter
2023-10-05 13:58 ` [PATCH net-next 2/2] ixgbe: fix end of loop test in ixgbe_set_vf_macvlan() Dan Carpenter
2023-10-06 11:21 ` Simon Horman
2023-10-09 15:18 ` [Intel-wired-lan] " Jesse Brandeburg
2023-10-16 10:25 ` Romanowski, Rafal
2023-10-06 11:20 ` Simon Horman [this message]
2023-10-09 15:17 ` [PATCH net-next 1/2] igb: Fix an end of loop test Jesse Brandeburg
2023-10-16 10:25 ` [Intel-wired-lan] " Romanowski, Rafal
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=ZR/tginYKa7Zcwug@kernel.org \
--to=horms@kernel.org \
--cc=anthony.l.nguyen@intel.com \
--cc=dan.carpenter@linaro.org \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=intel-wired-lan@lists.osuosl.org \
--cc=jacob.e.keller@intel.com \
--cc=jesse.brandeburg@intel.com \
--cc=kernel-janitors@vger.kernel.org \
--cc=kuba@kernel.org \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=ruanjinjie@huawei.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;
as well as URLs for NNTP newsgroup(s).