From: Bruce Richardson <bruce.richardson@intel.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: <dev@dpdk.org>
Subject: Re: [RFC v2 12/14] eal: limit maximum runtime directory and socket paths
Date: Fri, 5 Dec 2025 08:46:13 +0000 [thread overview]
Message-ID: <aTKb1ae5GDzIoZQm@bricha3-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <20251205022948.327743-13-stephen@networkplumber.org>
On Thu, Dec 04, 2025 at 06:28:21PM -0800, Stephen Hemminger wrote:
> Linux (and FreeBSD) has a limitation of 108 characters for
> any unix domain socket path. Therefore DPDK would not work
> if a really large runtime directory was used.
>
FreeBSD actually limits it to 104 [1]. Should reduce the define by that
extra amount.
/Bruce
[1] https://man.freebsd.org/cgi/man.cgi?query=unix&sektion=4
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> ---
> lib/eal/common/eal_common_config.c | 6 ++-
> lib/eal/common/eal_common_proc.c | 83 +++++++++++++++++++-----------
> lib/eal/common/eal_filesystem.h | 6 ++-
> 3 files changed, 63 insertions(+), 32 deletions(-)
>
next prev parent reply other threads:[~2025-12-05 8:46 UTC|newest]
Thread overview: 29+ 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 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 [this message]
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
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