From: Chong Yidong <cyd@stupidchicken.com>
To: 9401@debbugs.gnu.org
Subject: bug#9401: 24.0.50; Crash during fontification
Date: Tue, 30 Aug 2011 18:45:34 -0400 [thread overview]
Message-ID: <87mxeq8qnl.fsf@stupidchicken.com> (raw)
In-Reply-To: <87obz8i4gr.fsf@stupidchicken.com> (Chong Yidong's message of "Mon, 29 Aug 2011 12:10:12 -0400")
Chong Yidong <cyd@stupidchicken.com> writes:
> I can trigger this crash about 50 percent of the time by doing
>
> emacs -q trunk/src/buffer.h
> C-s defvar
>
> Emacs then crashes with a segfault.
>
> The problem involves a call to scan_sexps_forward (frame#4) with
> from_byte larger than the byte size of the buffer.
I've found the bug, and committed a fix. It was a problem with
find_defun_start not updating its cache variables consistently. (Is
that optimization really necessary? I guess we can re-examine it some
other time.)
next prev parent reply other threads:[~2011-08-30 22:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-29 16:10 bug#9401: 24.0.50; Crash during fontification Chong Yidong
2011-08-29 18:59 ` Stefan Monnier
2011-08-29 21:16 ` Chong Yidong
2011-08-30 3:54 ` Leo
2011-08-30 22:45 ` Chong Yidong [this message]
2011-08-31 12:42 ` Stefan Monnier
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