From: Stephen Hemminger <stephen@networkplumber.org>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: <dev@dpdk.org>, Anatoly Burakov <anatoly.burakov@intel.com>
Subject: Re: [PATCH v3 10/16] eal: limit maximum runtime directory and socket paths
Date: Mon, 8 Dec 2025 11:14:27 -0800 [thread overview]
Message-ID: <20251208111427.34faf80c@phoenix.local> (raw)
In-Reply-To: <aTaTLpg2PL2khlVO@bricha3-mobl1.ger.corp.intel.com>
On Mon, 8 Dec 2025 08:58:22 +0000
Bruce Richardson <bruce.richardson@intel.com> wrote:
> On Fri, Dec 05, 2025 at 12:11:39PM -0800, Stephen Hemminger wrote:
> > Linux (and FreeBSD) has a limitation of 108 characters for
>
> 108 characters -> "just over 100 characters"
>
> make it generic to cover both linux and bsd
>
> > any unix domain socket path. Therefore DPDK would not work
> > if a really large runtime directory was used.
> >
> > Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
>
> Acked-by: Bruce Richardson <bruce.richardson@intel.com>
>
Since Windows defines UNIX_PATH_MAX in afunix.h probably
best to just compute the size based on sun_path which is what
follow up patch does.
next prev parent reply other threads:[~2025-12-08 19:14 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-02 17:24 [RFC 0/8] first steps in fixing buffer overflow Stephen Hemminger
2025-12-02 17:24 ` [RFC 1/8] eal: use C library to parse filesystem table Stephen Hemminger
2025-12-02 17:24 ` [RFC 2/8] hash: fix possible ring name overflow Stephen Hemminger
2025-12-02 17:24 ` [RFC 3/8] eal: warn if thread name is truncated Stephen Hemminger
2025-12-02 17:24 ` [RFC 4/8] eal: avoid format overflow when handling addresses Stephen Hemminger
2025-12-02 17:24 ` [RFC 5/8] ethdev: avoid possible overflow in xstat names Stephen Hemminger
2025-12-02 17:24 ` [RFC 6/8] efd: avoid overflowing ring name Stephen Hemminger
2025-12-02 17:24 ` [RFC 7/8] eal: add check for sysfs path overflow Stephen Hemminger
2025-12-02 17:24 ` [RFC 8/8] eal: limit maximum runtime directory and socket paths Stephen Hemminger
2025-12-05 2:28 ` [RFC v2 00/14] lib: check for string overflow Stephen Hemminger
2025-12-05 2:28 ` [RFC v2 01/14] eal: use C library to parse filesystem table Stephen Hemminger
2025-12-05 2:28 ` [RFC v2 02/14] test: avoid long hash names Stephen Hemminger
2025-12-05 8:29 ` Bruce Richardson
2025-12-05 17:00 ` Stephen Hemminger
2025-12-05 18:19 ` Bruce Richardson
2025-12-05 2:28 ` [RFC v2 03/14] lpm: restrict name size Stephen Hemminger
2025-12-05 2:28 ` [RFC v2 04/14] hash: avoid possible ring name overflow Stephen Hemminger
2025-12-05 2:28 ` [RFC v2 05/14] graph: avoid overflowing comment buffer Stephen Hemminger
2025-12-05 2:28 ` [RFC v2 06/14] eal: warn if thread name is truncated Stephen Hemminger
2025-12-05 8:32 ` Bruce Richardson
2025-12-05 2:28 ` [RFC v2 07/14] eal: avoid format overflow when handling addresses Stephen Hemminger
2025-12-05 2:28 ` [RFC v2 08/14] ethdev: avoid possible overflow in xstat names Stephen Hemminger
2025-12-05 8:34 ` Bruce Richardson
2025-12-05 2:28 ` [RFC v2 09/14] vhost: check for overflow in xstat name Stephen Hemminger
2025-12-05 2:28 ` [RFC v2 10/14] efd: avoid overflowing ring name Stephen Hemminger
2025-12-05 8:37 ` Bruce Richardson
2025-12-05 2:28 ` [RFC v2 11/14] eal: add check for sysfs path overflow Stephen Hemminger
2025-12-05 2:28 ` [RFC v2 12/14] eal: limit maximum runtime directory and socket paths Stephen Hemminger
2025-12-05 8:46 ` Bruce Richardson
2025-12-05 2:28 ` [RFC v2 13/14] eal: check for hugefile path overflow Stephen Hemminger
2025-12-05 2:28 ` [RFC v2 14/14] lib: enable format overflow warnings Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 00/16] lib: find and fix possible string overflows Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 01/16] eal: use C library to parse filesystem table Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 02/16] lpm: restrict name size Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 03/16] hash: add checks for hash name length Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 04/16] graph: avoid overflowing comment buffer Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 05/16] latencystats: add check for string overflow Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 06/16] efd: handle possible name truncation Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 07/16] eal: warn if thread name is truncated Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 08/16] eal: avoid format overflow when handling addresses Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 09/16] eal: add check for sysfs path overflow Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 10/16] eal: limit maximum runtime directory and socket paths Stephen Hemminger
2025-12-08 8:58 ` Bruce Richardson
2025-12-08 19:14 ` Stephen Hemminger [this message]
2025-12-05 20:11 ` [PATCH v3 11/16] eal: check for hugefile path overflow Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 12/16] eal: check tailq length Stephen Hemminger
2025-12-08 8:58 ` Bruce Richardson
2025-12-05 20:11 ` [PATCH v3 13/16] eal: handle long shared library path Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 14/16] ethdev: avoid possible overflow in xstat names Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 15/16] vhost: check for overflow in xstat name Stephen Hemminger
2025-12-05 20:11 ` [PATCH v3 16/16] lib: enable format overflow warnings Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 00/16] lib: find and fix possible string overflows Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 01/16] eal: use C library to parse filesystem table Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 02/16] lpm: restrict name size Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 03/16] hash: add checks for hash name length Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 04/16] graph: avoid overflowing comment buffer Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 05/16] latencystats: add check for string overflow Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 06/16] efd: handle possible name truncation Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 07/16] eal: warn if thread name is truncated Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 08/16] eal: avoid format overflow when handling addresses Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 09/16] eal: add check for sysfs path overflow Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 10/16] eal: limit maximum runtime directory and socket paths Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 11/16] eal: check for hugefile path overflow Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 12/16] eal: check tailq length Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 13/16] eal: handle long shared library path Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 14/16] ethdev: avoid possible overflow in xstat names Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 15/16] vhost: check for overflow in xstat name Stephen Hemminger
2025-12-06 18:43 ` [PATCH v4 16/16] lib: enable format overflow warnings Stephen Hemminger
2025-12-07 19:11 ` [PATCH v5 00/17] lib: fix format overflows Stephen Hemminger
2025-12-07 19:11 ` [PATCH v5 01/17] eal: use C library to parse filesystem table Stephen Hemminger
2025-12-07 19:11 ` [PATCH v5 02/17] lpm: restrict name size Stephen Hemminger
2025-12-07 19:11 ` [PATCH v5 03/17] hash: add checks for hash name length Stephen Hemminger
2025-12-07 19:11 ` [PATCH v5 04/17] graph: avoid overflowing comment buffer Stephen Hemminger
2025-12-07 19:11 ` [PATCH v5 05/17] latencystats: add check for string overflow Stephen Hemminger
2025-12-07 19:11 ` [PATCH v5 06/17] telemetry: avoid possible " Stephen Hemminger
2025-12-07 19:11 ` [PATCH v5 07/17] efd: handle possible name truncation Stephen Hemminger
2025-12-07 19:11 ` [PATCH v5 08/17] eal: warn if thread name is truncated Stephen Hemminger
2025-12-07 19:12 ` [PATCH v5 09/17] eal: avoid format overflow when handling addresses Stephen Hemminger
2025-12-07 19:12 ` [PATCH v5 10/17] eal: add check for sysfs path overflow Stephen Hemminger
2025-12-07 19:12 ` [PATCH v5 11/17] eal: limit maximum runtime directory and socket paths Stephen Hemminger
2025-12-07 19:12 ` [PATCH v5 12/17] eal: check for hugefile path overflow Stephen Hemminger
2025-12-07 19:12 ` [PATCH v5 13/17] eal: check tailq length Stephen Hemminger
2025-12-07 19:12 ` [PATCH v5 14/17] eal: handle long shared library path Stephen Hemminger
2025-12-07 19:12 ` [PATCH v5 15/17] ethdev: avoid possible overflow in xstat names Stephen Hemminger
2025-12-07 19:12 ` [PATCH v5 16/17] vhost: check for overflow in xstat name Stephen Hemminger
2025-12-07 19:12 ` [PATCH v5 17/17] lib: enable format overflow warnings Stephen Hemminger
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