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Date:      Wed, 19 Feb 2003 20:32:15 +0100
From:      phk@phk.freebsd.dk
To:        Peter Wemm <peter@wemm.org>
Cc:        current@freebsd.org
Subject:   Re: cvs commit: src/sys/alpha/alpha busdma_machdep.c src/sys/alpha/osf1 imgact_osf1.c osf1_misc.c src/sys/cam cam_periph.c cam_sim.c cam_xpt.c src/sys/cam/scsi scsi_cd.c scsi_ch.c scsi_da.c scsi_low.c scsi_sa.c scsi_target.c src/sys/coda cnode.h ... 
Message-ID:  <95733.1045683135@critter.freebsd.dk>
In-Reply-To: Your message of "Wed, 19 Feb 2003 10:34:22 PST." <20030219183422.059862A8C3@canning.wemm.org> 

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In message <20030219183422.059862A8C3@canning.wemm.org>, Peter Wemm writes:
>phk@phk.freebsd.dk wrote:
>
>> The attached patch will print a backtrace if any calls to malloc
>> fail to have either M_WAITOK or M_NOWAIT.
>
>Please do not commit this as-is..  There is a DoS here if a user figures
>out how to provoke this.  This is exactly the situation that Alfred was
>worried about.

I have no intention of committing this.

The email from the TRB@ indicated that a plan exists, this patch was
merely meant as an aid to people to find any issues up front.

-- 
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.

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