Date: Wed, 24 Apr 2002 06:58:36 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Brian Dean <bsd@bsdhome.com> Cc: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, current@FreeBSD.ORG Subject: Re: Memory overwrite problem in the -current kernel ?? Message-ID: <96286.1019624316@critter.freebsd.dk> In-Reply-To: Your message of "Tue, 23 Apr 2002 22:44:21 EDT." <20020423224421.B69940@neutrino.bsdhome.com>
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In message <20020423224421.B69940@neutrino.bsdhome.com>, Brian Dean writes: >On Tue, Apr 23, 2002 at 01:54:17PM +0200, Poul-Henning Kamp wrote: >> This commit detects a memory overwrite problem in the kernel which >> happens before we ever get into userland for the first time. > >Do you know the address being corrupted? If so, try breaking into ddb >early on and set a hardware watchpoint. It was a modified pointer being returned to free(9), it's solved now. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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