Re: malloc problems in -current malloc_usable_size()

From: John Baldwin <jhb_at_freebsd.org>
Date: Tue, 2 Mar 2010 12:03:00 -0500
On Tuesday 02 March 2010 11:38:57 am Mark Atkinson wrote:
> Hi,
> 
> I updated my kernel/world yesterday and thunderbird 3.0.2 started core
> dumping after I completed the upgrade.   It continued to do so on
> previously good operations after a full re-compile.
> 
> I noticed that some jemalloc changes went in and was wondering if anyone
> else was noticing SEGV problems in other apps with malloc_usable_size()
> or ARENA problems in threaded apps?

This may be a bug in gssapi rather than malloc().  Someone else was reporting 
segfaults from gss_release_buffer() because it was free()ing a bad pointer
when using gssapi_krb5.

-- 
John Baldwin
Received on Tue Mar 02 2010 - 16:03:11 UTC

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