From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: stable@dpdk.org, Sunyang Wu <sunyang.wu@jaguarmicro.com>,
Bruce Richardson <bruce.richardson@intel.com>,
Aman Singh <aman.deep.singh@intel.com>,
Olivier Matz <olivier.matz@6wind.com>
Subject: Re: [PATCH v2] app/test-pmd: terminate process on second signal
Date: Thu, 30 Apr 2026 10:25:33 -0700 [thread overview]
Message-ID: <20260430102534.446b2190@phoenix.local> (raw)
In-Reply-To: <20260428135323.119782-1-stephen@networkplumber.org>
On Tue, 28 Apr 2026 06:52:48 -0700
Stephen Hemminger <stephen@networkplumber.org> wrote:
> The SIGINT/SIGTERM handler starts a graceful shutdown via
> prompt_exit(), after which prompt() frees the cmdline object with
> cmdline_stdin_exit(). A second signal delivered during or after
> that free re-enters prompt_exit() and dereferences testpmd_cl,
> producing a use-after-free.
>
> Reset both signals to SIG_DFL so the process will immediately
> exit if second signal arrives.
>
> Fixes: f1d0993e034e ("app/testpmd: fix interactive mode on Windows")
> Cc: stable@dpdk.org
> Reported-by: Sunyang Wu <sunyang.wu@jaguarmicro.com>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> Acked-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
Applied to next-net
prev parent reply other threads:[~2026-04-30 17:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-27 10:57 [PATCH v2] app/testpmd: avoid cmdline use-after-free on SIGINT Sunyang Wu
2026-04-27 11:13 ` [PATCH v3] " Sunyang Wu
2026-04-27 15:23 ` Stephen Hemminger
2026-04-27 17:26 ` [PATCH] app/test-pmd: terminate process on second signal Stephen Hemminger
2026-04-28 8:00 ` Bruce Richardson
2026-04-28 13:52 ` [PATCH v2] " Stephen Hemminger
2026-04-30 17:25 ` Stephen Hemminger [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=20260430102534.446b2190@phoenix.local \
--to=stephen@networkplumber.org \
--cc=aman.deep.singh@intel.com \
--cc=bruce.richardson@intel.com \
--cc=dev@dpdk.org \
--cc=olivier.matz@6wind.com \
--cc=stable@dpdk.org \
--cc=sunyang.wu@jaguarmicro.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.