Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 11 Jan 2002 14:29:04 -0800 (PST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Ian Dowse <iedowse@FreeBSD.org>
Cc:        cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org
Subject:   RE: cvs commit: src/sys/nfsserver nfsm_subs.h
Message-ID:  <XFMail.020111142904.jhb@FreeBSD.org>
In-Reply-To: <200201112222.g0BMMdh66532@freefall.freebsd.org>

next in thread | previous in thread | raw e-mail | index | archive | help

On 11-Jan-02 Ian Dowse wrote:
> iedowse     2002/01/11 14:22:39 PST
> 
>   Modified files:
>     sys/nfsserver        nfsm_subs.h 
>   Log:
>   The macro nfsm_reply() is supposed to allocate a reply in all cases,
>   but since the nfs cleanup, it hasn't done so in the case where
>   `error' is EBADRPC. Callers of this macro expect it to initialise
>   *mrq, and the `nfsmout' exit point expects a reply to be allocated
>   if error == 0. When nfsm_reply() was called with error = EBADRPC,
>   whatever junk was in *mrq (often a stale pointer to an old reply
>   mbuf) would be assumed to be a valid reply and passed to pru_sosend(),
>   causing a crash sooner or later.
>   
>   Fix this by allocating a reply even in the EBADRPC case like we
>   used to do. This bug was specific to -current.

Wow, nice catch!

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe cvs-all" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?XFMail.020111142904.jhb>