All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: David Marchand <david.marchand@redhat.com>
Cc: dev@dpdk.org, Sriram Yagnaraman <sriram.yagnaraman@ericsson.com>,
	Jakub Grajciar <jgrajcia@cisco.com>
Subject: Re: [PATCH v2] net/memif: fix use after free on listener socket close
Date: Mon, 9 Nov 2026 14:13:54 -0800	[thread overview]
Message-ID: <20261109141354.23e03f2c@phoenix.local> (raw)
In-Reply-To: <20261106145730.2561787-1-david.marchand@redhat.com>

On Fri,  6 Nov 2026 15:57:29 +0100
David Marchand <david.marchand@redhat.com> wrote:

> memif_socket_remove_device() calls rte_intr_callback_unregister() on
> the listener socket interrupt handle. If memif_listener_handler() is
> active at that point, the unregister returns -EAGAIN and the code
> proceeds to close and free the handle while the handler is still
> running.
> 
> Use rte_intr_callback_unregister_sync() which retries until the
> handler completes.
> 
> Fixes: 7281511c2cfa ("net/memif: fix some interrupt FD leaks")
> 
> Signed-off-by: David Marchand <david.marchand@redhat.com>
> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
> ---
> Changes since v1:
> - added missing _sync in other call,


Applied to next-net but dropped the Fixes line since that commit
is after the last release. Fixes is not necessary during the merge
cycle.

  reply	other threads:[~2026-11-09 22:14 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-04 16:41 [PATCH] net/memif: fix use after free on listener socket close David Marchand
2026-11-05  8:32 ` Stephen Hemminger
2026-11-06 14:57 ` [PATCH v2] " David Marchand
2026-11-09 22:13   ` Stephen Hemminger [this message]
2026-11-10  7:43     ` David Marchand
2026-11-10 14:36       ` Stephen Hemminger

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=20261109141354.23e03f2c@phoenix.local \
    --to=stephen@networkplumber.org \
    --cc=david.marchand@redhat.com \
    --cc=dev@dpdk.org \
    --cc=jgrajcia@cisco.com \
    --cc=sriram.yagnaraman@ericsson.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 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.