Git development
 help / color / mirror / Atom feed
From: Patrick Steinhardt <ps@pks.im>
To: Junio C Hamano <gitster@pobox.com>
Cc: "brian m. carlson" <sandals@crustytoothpaste.net>,
	git@vger.kernel.org, Elijah Newren <newren@gmail.com>,
	Jeff King <peff@peff.net>,
	Phillip Wood <phillip.wood123@gmail.com>
Subject: Re: [PATCH v2 0/7] Git 3.0: restrict hex object IDs to lowercase only
Date: Mon, 2 Nov 2026 10:53:19 +0100	[thread overview]
Message-ID: <auhdjw9w1lcoFIiC@pks.im> (raw)
In-Reply-To: <xmqq7bivmwct.fsf@gitster.g>

On Mon, Nov 02, 2026 at 01:11:14AM -0800, Junio C Hamano wrote:
> "brian m. carlson" <sandals@crustytoothpaste.net> writes:
> 
> > As far as I can tell, Git has always emitted hex object IDs in
> > lowercase, but our object ID parser accepts both uppercase and
> > lowercase.  This leads to much software relying on hex object IDs being
> > broken because it doesn't handle uppercase object IDs and this can even
> > lead to security problems when people assume that an object ID has a
> > unique hex form.
> 
> As far as I can recall, this had quite a lot of discussion during v1
> (or was it RFC?) but nobody seems to have been reacted to this
> round.  Can anybody give it an eyeball (or two) and tell us that the
> iteration now is in line with what was discussed during the review
> of the previous round, so that we can mark it for 'next'?

I've added this to my todo list for this week.

Patrick

      reply	other threads:[~2026-11-02  9:53 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-29 23:32 [RFC PATCH 0/6] Git 3.0: restrict hex object IDs to lowercase only brian m. carlson
2026-07-29 23:32 ` [RFC PATCH 1/6] hex: add functionality for lowercase-only hex brian m. carlson
2026-07-31  7:38   ` Junio C Hamano
2026-08-25 15:39   ` Junio C Hamano
2026-08-25 21:44     ` brian m. carlson
2026-07-29 23:32 ` [RFC PATCH 2/6] hex: allow specifying hex type with hex2chr brian m. carlson
2026-07-29 23:32 ` [RFC PATCH 3/6] hex: make hex_to_bytes accept kind of hex to use brian m. carlson
2026-07-31  7:38   ` Junio C Hamano
2026-08-01 14:35     ` Jeff King
2026-07-29 23:32 ` [RFC PATCH 4/6] hex: label usages of hex parsing for object IDs brian m. carlson
2026-07-31  3:24   ` Junio C Hamano
2026-08-25 16:11   ` Junio C Hamano
2026-07-29 23:32 ` [RFC PATCH 5/6] object-name: use hexval brian m. carlson
2026-08-25 16:19   ` Junio C Hamano
2026-08-25 19:44   ` Elijah Newren
2026-08-25 21:41     ` brian m. carlson
2026-07-29 23:32 ` [RFC PATCH 6/6] hex: allow only lowercase object IDs in breaking changes mode brian m. carlson
2026-07-31  7:48   ` Junio C Hamano
2026-07-31 12:33     ` Junio C Hamano
2026-08-02 22:09     ` brian m. carlson
2026-08-04 19:32       ` Junio C Hamano
2026-08-04 21:46         ` brian m. carlson
2026-08-05  3:09       ` Michael Montalbo
2026-08-25  9:04   ` Phillip Wood
2026-08-25 21:36     ` brian m. carlson
2026-09-07 13:37       ` Phillip Wood
2026-08-25 16:36   ` Junio C Hamano
2026-08-25 19:44   ` Elijah Newren
2026-07-30  8:21 ` [RFC PATCH 0/6] Git 3.0: restrict hex object IDs to lowercase only Junio C Hamano
2026-07-30 21:18   ` brian m. carlson
2026-08-01 14:45     ` Jeff King
2026-08-01 18:22       ` Junio C Hamano
2026-08-02 21:55       ` brian m. carlson
2026-09-07 19:59 ` [PATCH v2 0/7] " brian m. carlson
2026-09-07 19:59   ` [PATCH v2 1/7] hex: add functionality for lowercase-only hex brian m. carlson
2026-09-07 19:59   ` [PATCH v2 2/7] hex: allow specifying hex type with hex2chr brian m. carlson
2026-09-07 19:59   ` [PATCH v2 3/7] hex: make hex_to_bytes accept kind of hex to use brian m. carlson
2026-09-07 19:59   ` [PATCH v2 4/7] hex: label usages of hex parsing for object IDs brian m. carlson
2026-09-07 19:59   ` [PATCH v2 5/7] object-name: use hexval brian m. carlson
2026-09-07 19:59   ` [PATCH v2 6/7] t5324: adjust tests for corrupt commit-graph brian m. carlson
2026-09-07 19:59   ` [PATCH v2 7/7] hex: allow only lowercase object IDs in breaking changes mode brian m. carlson
2026-11-02  9:11   ` [PATCH v2 0/7] Git 3.0: restrict hex object IDs to lowercase only Junio C Hamano
2026-11-02  9:53     ` Patrick Steinhardt [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=auhdjw9w1lcoFIiC@pks.im \
    --to=ps@pks.im \
    --cc=git@vger.kernel.org \
    --cc=gitster@pobox.com \
    --cc=newren@gmail.com \
    --cc=peff@peff.net \
    --cc=phillip.wood123@gmail.com \
    --cc=sandals@crustytoothpaste.net \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox