git@vger.kernel.org mailing list mirror (one of many)
 help / color / mirror / code / Atom feed
From: Junio C Hamano <gitster@pobox.com>
To: Damien Robert <damien.olivier.robert@gmail.com>
Cc: Jeff King <peff@peff.net>,
	git@vger.kernel.org, Derrick Stolee <dstolee@microsoft.com>,
	William Baker <William.Baker@microsoft.com>,
	Damien Robert <damien.olivier.robert+git@gmail.com>
Subject: Re: [PATCH v4 1/1] midx.c: fix an integer overflow
Date: Thu, 26 Mar 2020 16:27:16 -0700	[thread overview]
Message-ID: <xmqqbloiitnv.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <20200326213534.399377-1-damien.olivier.robert+git@gmail.com> (Damien Robert's message of "Thu, 26 Mar 2020 22:35:34 +0100")

Damien Robert <damien.olivier.robert@gmail.com> writes:

> When verifying a midx index with 0 objects, the
>     m->num_objects - 1
> overflows to 4294967295.

I think this is underflow & wraparound, but I'll let it pass ;-)

The patch looks good; will queue.

Thanks.

  reply	other threads:[~2020-03-26 23:27 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-28 16:24 [PATCH 1/1] midx.c: fix an integer overflow Damien Robert
2020-02-28 18:55 ` Jeff King
2020-02-28 20:39   ` Junio C Hamano
2020-02-29 17:15     ` Damien Robert
2020-02-29 15:38   ` Damien Robert
2020-03-12 17:35 ` [PATCH v2 " Damien Robert
2020-03-12 18:24   ` Damien Robert
2020-03-12 18:28   ` Derrick Stolee
2020-03-12 21:41     ` Damien Robert
2020-03-23 22:25   ` [PATCH v3 " Damien Robert
2020-03-24  6:01     ` Jeff King
2020-03-24 18:48       ` Junio C Hamano
2020-03-26 21:35   ` [PATCH v4 " Damien Robert
2020-03-26 23:27     ` Junio C Hamano [this message]
2020-03-28 22:23       ` Damien Robert
2020-03-28 23:51         ` Junio C Hamano
2020-03-28 22:18   ` [PATCH 1/1] midx.c: fix an integer underflow Damien Robert

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

  List information: http://vger.kernel.org/majordomo-info.html

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=xmqqbloiitnv.fsf@gitster.c.googlers.com \
    --to=gitster@pobox.com \
    --cc=William.Baker@microsoft.com \
    --cc=damien.olivier.robert+git@gmail.com \
    --cc=damien.olivier.robert@gmail.com \
    --cc=dstolee@microsoft.com \
    --cc=git@vger.kernel.org \
    --cc=peff@peff.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.
Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).