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]
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