Re: vmsplice exploits, stack protector and Makefiles

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Cc: Sam Ravnborg <sam@...>, Arjan van de Ven <arjan@...>, <linux-kernel@...>, <torvalds@...>

Subject: Re: vmsplice exploits, stack protector and Makefiles

Date: Wednesday, February 13, 2008 - 12:48 pm

* Ingo Molnar <mingo@elte.hu> wrote:

quoted text> thanks, i've picked up your patch into x86.git#mm and also made 
> stackprotector-all default-enabled so that we get more test coverage 
> of this critical security feature. x86.git#mm can be picked up via:

hm, had to pull it again because it crashed in testing:

CPU: Physical Processor ID: 0
CPU: Processor Core ID: 1
AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ stepping 02
Brought up 2 CPUs
stack corrupted in: thread_return+0xd0/0xe2
Pid: 0, comm: swapper Not tainted 2.6.25-rc1 #3

Call Trace:
 [<ffffffff80242018>] __stack_chk_fail+0x2a/0x68
 [<ffffffff807a0478>] thread_return+0xd0/0xe2
 [<ffffffff8025f5c3>] getnstimeofday+0x3f/0xab
 [<ffffffff8025cfc7>] ktime_get_ts+0x27/0x6f
 [<ffffffff8025d02b>] ktime_get+0x1c/0x66
 [<ffffffff802639af>] tick_nohz_stop_idle+0x39/0x76
 [<ffffffff8020b204>] cpu_idle+0xb6/0xca

Kernel panic - not syncing: stack-protector: Kernel stack is corrupted

config attached.

	Ingo

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Messages in current thread:

vmsplice exploits, stack protector and Makefiles, Arjan van de Ven, (Tue Feb 12, 1:00 pm)

Re: vmsplice exploits, stack protector and Makefiles, , (Wed Feb 13, 9:38 am)

Re: vmsplice exploits, stack protector and Makefiles, Sam Ravnborg, (Thu Feb 14, 3:43 am)

Re: vmsplice exploits, stack protector and Makefiles, Linus Torvalds, (Wed Feb 13, 11:53 am)

Re: vmsplice exploits, stack protector and Makefiles, Ingo Molnar, (Wed Feb 13, 12:01 pm)

Re: vmsplice exploits, stack protector and Makefiles, Sam Ravnborg, (Wed Feb 13, 1:16 pm)

Re: vmsplice exploits, stack protector and Makefiles, Ingo Molnar, (Thu Feb 14, 2:12 am)

Re: vmsplice exploits, stack protector and Makefiles, Ingo Molnar, (Wed Feb 13, 11:29 am)

Re: vmsplice exploits, stack protector and Makefiles, Ingo Molnar, (Wed Feb 13, 12:48 pm)

Re: vmsplice exploits, stack protector and Makefiles, , (Wed Feb 13, 12:15 pm)

Re: vmsplice exploits, stack protector and Makefiles, Ingo Molnar, (Thu Feb 14, 2:16 am)

Re: vmsplice exploits, stack protector and Makefiles, Ingo Molnar, (Thu Feb 14, 3:30 am)

Re: vmsplice exploits, stack protector and Makefiles, , (Thu Feb 14, 6:23 am)

Re: vmsplice exploits, stack protector and Makefiles, Randy Dunlap, (Wed Feb 13, 12:29 pm)

Re: vmsplice exploits, stack protector and Makefiles, , (Wed Feb 13, 11:48 am)

Re: vmsplice exploits, stack protector and Makefiles, Jan Engelhardt, (Thu Feb 14, 8:20 am)

Re: vmsplice exploits, stack protector and Makefiles, Sam Ravnborg, (Tue Feb 12, 2:50 pm)

Re: vmsplice exploits, stack protector and Makefiles, Arjan van de Ven, (Tue Feb 12, 3:08 pm)

Re: vmsplice exploits, stack protector and Makefiles, Sam Ravnborg, (Tue Feb 12, 3:36 pm)


linux-kernel:
Sunil Naidu	Re: Linux 2.6.20-rc6
Alan Cox	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
Chris Snook	Re: init's children list is long and slows reaping children.
Greg Kroah-Hartman	[PATCH 001/196] Chinese: Add the known_regression URI to the HOWTO
git:

openbsd-misc:

linux-netdev:
Jarek Poplawski	[PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
David Miller	[GIT]: Networking
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
Eric W. Biederman	Re: [PATCH 10/11] avoid kobject name conflict with different namespaces

Re: vmsplice exploits, stack protector and Makefiles

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