GNU bug report logs - #76907
Potential buffer overflow in getsockopt

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Package: guile;

Reported by: Mike Gran <spk121 <at> yahoo.com>

Date: Mon, 10 Mar 2025 00:58:02 UTC

Severity: normal

Done: Rob Browning <rlb <at> defaultvalue.org>

Bug is archived. No further changes may be made.

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From: Mike Gran <spk121 <at> yahoo.com>
To: 76907 <at> debbugs.gnu.org
Subject: bug#76907: Potential buffer overflow in getsockopt
Date: Mon, 10 Mar 2025 09:52:50 -0700

Mike Gran <spk121 <at> yahoo.com> writes:

> struct timeval is a potential return value of struct getsockopt, but,
> when HAVE_STRUCT_LINGER is not defined, scm_t_getsockopt_result may
> be too small to hold a struct timeval.
>
> To fix this, struct timeval can be added to the scm_t_getsockopt_result
> union.

Also, this should partially fix the guile-without-threads in Guix's
CI.

https://ci.guix.gnu.org/build/9530486/details

Regards,
Mike Gran
This bug report was last modified 60 days ago.

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