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From: Thomas Braun <thomas.braun@virtuell-zuhause.de>
To: Jeff King <peff@peff.net>, git@vger.kernel.org
Subject: Re: [PATCH 0/5] handling 4GB .idx files
Date: Sun, 15 Nov 2020 15:43:39 +0100	[thread overview]
Message-ID: <323fd904-a7ee-061d-d846-5da5afbc88b2@virtuell-zuhause.de> (raw)
In-Reply-To: <20201113050631.GA744608@coredump.intra.peff.net>

On 13.11.2020 06:06, Jeff King wrote:
> I recently ran into a case where Git could not read the pack it had
> produced via running "git repack". The culprit turned out to be an .idx
> file which crossed the 4GB barrier (in bytes, not number of objects).
> This series fixes the problems I saw, along with similar ones I couldn't
> trigger in practice, and protects the .idx loading code against integer
> overflows that would fool the size checks.

Would it be feasible to have a test case for this large index case? This
should very certainly have an EXPENSIVE tag, or might even not yet work
on windows. But hopefully someday I'll find some more time to push large
object support on windows forward, and these kind of tests would really
help then.

  parent reply	other threads:[~2020-11-15 14:44 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-13  5:06 Jeff King
2020-11-13  5:06 ` [PATCH 1/5] compute pack .idx byte offsets using size_t Jeff King
2020-11-13  5:07 ` [PATCH 2/5] use size_t to store pack .idx byte offsets Jeff King
2020-11-13  5:07 ` [PATCH 3/5] fsck: correctly compute checksums on idx files larger than 4GB Jeff King
2020-11-13  5:07 ` [PATCH 4/5] block-sha1: take a size_t length parameter Jeff King
2020-11-13  5:07 ` [PATCH 5/5] packfile: detect overflow in .idx file size checks Jeff King
2020-11-13 11:02   ` Johannes Schindelin
2020-11-15 14:43 ` Thomas Braun [this message]
2020-11-16  4:10   ` [PATCH 0/5] handling 4GB .idx files Jeff King
2020-11-16 13:30     ` Derrick Stolee
2020-11-16 23:49       ` Jeff King
2020-11-30 22:57     ` Thomas Braun
2020-12-01 11:23       ` Jeff King
2020-12-01 11:39         ` t7900's new expensive test Jeff King
2020-12-01 20:55           ` Derrick Stolee
2020-12-02  2:47             ` [PATCH] t7900: speed up " Jeff King
2020-12-03 15:23               ` Derrick Stolee
2020-12-01 18:27         ` [PATCH 0/5] handling 4GB .idx files Taylor Blau
2020-12-02 13:12           ` Jeff King

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