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From: Jeff King <peff@peff.net>
To: "Randall S. Becker" <rsbecker@nexbridge.com>
Cc: 'git mailing list' <git@vger.kernel.org>
Subject: Re: [PATCH] Replaced read with xread in transport-helper.c to fix SSIZE_MAX overun in t5509
Date: Thu, 11 Jan 2018 01:20:49 -0500	[thread overview]
Message-ID: <20180111062048.GA31213@sigill.intra.peff.net> (raw)
In-Reply-To: <010f01d38a9e$a5c4f290$f14ed7b0$@nexbridge.com>

On Thu, Jan 11, 2018 at 12:40:05AM -0500, Randall S. Becker wrote:

> This fix was needed on HPE NonStop NSE where SSIZE_MAX is less than
> BUFFERSIZE resulting in EINVAL. The call to read in transport-helper.c
> was the only place outside of wrapper.c.

For my own curiosity, what is SSIZE_MAX on your platform? BUFFERSIZE is
only 64k. Do you really have 16-bit size_t?

I wondered if you would also need to set MAX_IO_SIZE, but it looks like
we default it to SSIZE_MAX.

-Peff

  parent reply	other threads:[~2018-01-11  6:20 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-11  5:40 Randall S. Becker
2018-01-11  6:01 ` Randall S. Becker
2018-01-11  6:20 ` Jeff King [this message]
2018-01-11 13:40   ` Randall S. Becker
2018-01-11  6:31 ` Jeff King
2018-01-11 13:43   ` Randall S. Becker

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