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From: Eli Zaretskii <eliz@gnu.org>
To: Florian Rommel <mail@florommel.de>
Cc: 56369@debbugs.gnu.org
Subject: bug#56369: 29.0.50; abort-redisplay: Crash after 'recenter'
Date: Sun, 03 Jul 2022 19:08:13 +0300	[thread overview]
Message-ID: <83edz29o2a.fsf@gnu.org> (raw)
In-Reply-To: <0114d3daab13a4de33711ba8fd5e0c21091bbb6b.camel@florommel.de> (message from Florian Rommel on Sun, 03 Jul 2022 17:55:50 +0200)

> From: Florian Rommel <mail@florommel.de>
> Date: Sun, 03 Jul 2022 17:55:50 +0200
> 
> I get a crash caused by a failed free() [see attached backtrace] when
> running vterm [1] which calls 'recenter' from a loaded module.
> With gdb, in 'safe_free' I see that the address of the to-be-freed
> arguments array (allocated in 'module_funcall') is off by one word.
> 
> I don't know the details of the specpdl stack but I assume that there
> is a missing 'ubind_to' in 'recenter' before an early return.  When I
> add it (see the attached patch) the problem is gone.

Thanks, installed.





  reply	other threads:[~2022-07-03 16:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-03 15:55 bug#56369: 29.0.50; abort-redisplay: Crash after 'recenter' Florian Rommel
2022-07-03 16:08 ` Eli Zaretskii [this message]
2022-07-03 16:11 ` Eli Zaretskii

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