All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: Joyce Kong <joyce.kong@arm.com>
Cc: "Jakub Grajciar" <jgrajcia@cisco.com>,
	"Morten Brørup" <mb@smartsharesystems.com>,
	"Ruifeng Wang" <ruifeng.wang@arm.com>,
	dev@dpdk.org, nd@arm.com, stable@dpdk.org,
	"Liangxing Wang" <liangxing.wang@arm.com>
Subject: Re: [PATCH v1] net/memif: fix segfault with Tx burst larger than 255
Date: Tue, 5 Dec 2023 10:33:40 -0800	[thread overview]
Message-ID: <20231205103340.05563ee9@hermes.local> (raw)
In-Reply-To: <20231205040524.3525473-1-joyce.kong@arm.com>

On Tue,  5 Dec 2023 04:05:24 +0000
Joyce Kong <joyce.kong@arm.com> wrote:

> There will be a segfault when tx burst size is larger than
> 256. This is because eth_memif_tx uses an index i which is
> uint8_t to count transmitted nb_pkts. Extend i to uint16_t,
> the same size as nb_pkts.
> 
> Fixes: b5613c8f9d0a ("net/memif: add a Tx fast path")
> Cc: stable@dpdk.org
> 
> Reported-by: Liangxing Wang <liangxing.wang@arm.com>
> Signed-off-by: Joyce Kong <joyce.kong@arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> ---

I wonder if other drivers have same bug?

Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>

  reply	other threads:[~2023-12-05 18:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-05  4:05 [PATCH v1] net/memif: fix segfault with Tx burst larger than 255 Joyce Kong
2023-12-05 18:33 ` Stephen Hemminger [this message]
2023-12-06  3:04   ` Joyce Kong
2023-12-06 19:17   ` Ferruh Yigit

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=20231205103340.05563ee9@hermes.local \
    --to=stephen@networkplumber.org \
    --cc=dev@dpdk.org \
    --cc=jgrajcia@cisco.com \
    --cc=joyce.kong@arm.com \
    --cc=liangxing.wang@arm.com \
    --cc=mb@smartsharesystems.com \
    --cc=nd@arm.com \
    --cc=ruifeng.wang@arm.com \
    --cc=stable@dpdk.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.