Re: FreeBSD Security Advisory FreeBSD-SA-09:14.devfs
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On Mon, 5 Oct 2009, budsz wrote:
> On Sat, Oct 3, 2009 at 3:12 AM, FreeBSD Security Advisories
> <security-advisories@freebsd.org> wrote:
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>> FreeBSD-SA-09:14.devfs =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0Security Advisory
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0The FreeBSD Project
>>
>> Topic: =A0 =A0 =A0 =A0 =A0Devfs / VFS NULL pointer race condition
>>
>> Category: =A0 =A0 =A0 core
>> Module: =A0 =A0 =A0 =A0 kern
>> Announced: =A0 =A0 =A02009-10-02
>> Credits: =A0 =A0 =A0 =A0Przemyslaw Frasunek
>> Affects: =A0 =A0 =A0 =A0FreeBSD 6.x and 7.x
>> Corrected: =A0 =A0 =A02009-05-18 10:41:59 UTC (RELENG_7, 7.2-STABLE)
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A02009-10-02 18:09:56 UTC (RELENG_7_2, 7.2-=
RELEASE-p4)
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A02009-10-02 18:09:56 UTC (RELENG_7_1, 7.1-=
RELEASE-p8)
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A02009-10-02 18:09:56 UTC (RELENG_6, 6.4-ST=
ABLE)
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A02009-10-02 18:09:56 UTC (RELENG_6_4, 6.4-=
RELEASE-p7)
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A02009-10-02 18:09:56 UTC (RELENG_6_3, 6.3-=
RELEASE-p13)
> Hi folks,
>
> I just got some problem when compling my kerne. Here we go:
>
> rm -f hack.c
> MAKE=3Dmake sh /usr/src/sys/conf/newvers.sh WILLSZPROXY
> cc -c -O -pipe -std=3Dc99 -g -Wall -Wredundant-decls -Wnested-externs
> -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline
> -Wcast-qual -Wundef -Wno-pointer-sign -fformat-extensions -nostdinc
> -I. -I/usr/src/sys -I/usr/src/sys/contrib/altq -D_KERNEL
> -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common
> -finline-limit=3D8000 --param inline-unit-growth=3D100 --param
> large-function-growth=3D1000 -mno-align-long-strings
> -mpreferred-stack-boundary=3D2 -mno-mmx -mno-3dnow -mno-sse -mno-sse2
> -mno-sse3 -ffreestanding -Werror vers.c
> linking kernel.debug
> kern_fork.o(.text+0x1d18): In function `fork1':
> /usr/src/sys/kern/kern_fork.c:737: undefined reference to `knote_fork'
> *** Error code 1
>
> Stop in /usr/obj/usr/src/sys/WILLSZPROXY.
> *** Error code 1
>
> Stop in /usr/src.
> *** Error code 1
>
> Stop in /usr/src.
>
> My box running FreeBSD 7.2-STABLE. Thanks in advance.
If you are on 7.2-STABLE only the EN patch would have been interesting
for you. The FreeBSD-SA-09:14.devfs was not applicable to a
7.2-STABLE from 2009-05-18 and later.
Can you please check that you didn't accidentally patch something that
didn't need to be patched anymore?
/bz
--=20
Bjoern A. Zeeb It will not break if you know what you are doing.
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