Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Wed, 14 Dec 2016 16:37:55 -0600
From: "A. Wilcox" <awilfox@...lielinux.org>
To: musl@...ts.openwall.com
Subject: Re: Handling of L and ll prefixes different from glibc

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

On 14/12/16 11:17, Szabolcs Nagy wrote:
> * Rich Felker <dalias@...c.org> [2016-12-14 11:13:48 -0500]:
>> behavior. I'm mildly leaning towards causing a crash on invalid
>> format strings so that the location of the incorrect usage can be
>> quickly found with a debugger, but I'd like feedback from users
>> who've debugged this sort of thing on whether that'd actually be
>> helpful.
> 
> crashing sounds good to me.
> 

Would this be able to be configured in some way when building the libc
(-D_CRASH_ON_PRINTF_UB or such)?

This sounds like a great tool to use when doing conformance testing,
and in general once testing has been done.  However, it also sounds
like a great way to break packages already "working" on musl.

- --arw

- -- 
A. Wilcox (awilfox)
Project Lead, Adélie Linux
http://adelielinux.org
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=2U8C
-----END PGP SIGNATURE-----

Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.