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Re: StackProtector Oopses - Re: 2.6.25-mm1
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From: Ingo Molnar
Subject:
Re: StackProtector Oopses - Re: 2.6.25-mm1
Date: Tuesday, April 22, 2008 - 1:34 am
* Arjan van de Ven <arjan@infradead.org> wrote:
quoted text
> > yeah. Arjan - any new patches to try that might fix the bootup test? > > I've looked at the disassembly and compared it to mine, and the gcc is > doing something... rather unexpected. The only thing I can think of is > the patch below, it should make it a ton more robust...
quoted text
> - memset(&foo, 0, 2*sizeof(foo)); /* deliberate buffer overflow */ > + if (current->stack_canary == *(((unsigned long *)&foo)+1)) > + *(((unsigned long *)&foo)+1) = 0; > + else > + printk(KERN_ERR "No -ftack-protector canary found\n");
ok, i queued this up. (with the typo that Valdis noticed fixed) but ... this bug needs to be figured out, not worked around. Ingo --
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Messages in current thread:
2.6.25-mm1
, Andrew Morton
, (Fri Apr 18, 1:47 am)
[PATCH] 2.6.25-mm1 - Build Failure with PWRficient onchip ...
, Kamalesh Babulal
, (Fri Apr 18, 4:26 am)
StackProtector Oopses - Re: 2.6.25-mm1
, Reuben Farrelly
, (Fri Apr 18, 6:02 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1
, Ingo Molnar
, (Fri Apr 18, 6:36 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1
, Arjan van de Ven
, (Fri Apr 18, 6:51 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1
, Reuben Farrelly
, (Fri Apr 18, 7:41 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1
, Reuben Farrelly
, (Fri Apr 18, 7:49 am)
Re: 2.6.25-mm1 (build error: driver core)
, Randy Dunlap
, (Fri Apr 18, 9:40 am)
Re: 2.6.25-mm1 (build error: trace selftest)
, Randy Dunlap
, (Fri Apr 18, 9:45 am)
Re: 2.6.25-mm1 (build error: driver core)
, Greg KH
, (Fri Apr 18, 9:56 am)
Re: 2.6.25-mm1 (build error: driver core)
, Dan Williams
, (Fri Apr 18, 11:38 am)
Re: 2.6.25-mm1
, Valdis.Kletnieks
, (Fri Apr 18, 1:14 pm)
2.6.25-mm1: orphaned files after build
, Alexey Dobriyan
, (Fri Apr 18, 4:09 pm)
Re: 2.6.25-mm1
, Joseph Fannin
, (Fri Apr 18, 7:13 pm)
Re: 2.6.25-mm1
, Joseph Fannin
, (Fri Apr 18, 7:25 pm)
Re: 2.6.25-mm1
, Andrew Morton
, (Fri Apr 18, 8:02 pm)
Re: 2.6.25-mm1
, Andrew Morton
, (Fri Apr 18, 8:08 pm)
Re: 2.6.25-mm1
, Joseph Fannin
, (Fri Apr 18, 8:10 pm)
Re: 2.6.25-mm1
, Andrew Morton
, (Fri Apr 18, 8:29 pm)
Re: 2.6.25-mm1
, Dmitry Torokhov
, (Fri Apr 18, 9:14 pm)
Re: 2.6.25-mm1
, Andrew Morton
, (Fri Apr 18, 9:29 pm)
Re: 2.6.25-mm1
, Joseph Fannin
, (Fri Apr 18, 11:33 pm)
Re: 2.6.25-mm1
, Andres Salomon
, (Sat Apr 19, 6:25 am)
Re: 2.6.25-mm1
, Andrew Morton
, (Sat Apr 19, 10:38 am)
[PATCH 1/2] OLPC: Add support for calling into Open Firmware
, Andres Salomon
, (Sat Apr 19, 10:39 am)
[PATCH 2/2] OLPC: drop pre-OpenFirmware workarounds
, Andres Salomon
, (Sat Apr 19, 10:39 am)
Re: 2.6.25-mm1
, Andres Salomon
, (Sat Apr 19, 10:50 am)
Re: 2.6.25-mm1
, Arjan van de Ven
, (Sat Apr 19, 11:21 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Yinghai Lu
, (Sun Apr 20, 3:34 am)
internal compiler error: SIGSEGV [Was: 2.6.25-mm1]
, Jiri Slaby
, (Sun Apr 20, 4:29 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, H. Peter Anvin
, (Sun Apr 20, 5:07 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Andres Salomon
, (Sun Apr 20, 10:59 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Mitch Bradley
, (Sun Apr 20, 11:42 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, H. Peter Anvin
, (Sun Apr 20, 12:12 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, H. Peter Anvin
, (Sun Apr 20, 12:13 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Mitch Bradley
, (Sun Apr 20, 8:09 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Yinghai Lu
, (Sun Apr 20, 8:15 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Mitch Bradley
, (Sun Apr 20, 8:39 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Mitch Bradley
, (Sun Apr 20, 9:05 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, David Miller
, (Sun Apr 20, 9:26 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Yinghai Lu
, (Sun Apr 20, 9:50 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Yinghai Lu
, (Sun Apr 20, 9:54 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Mitch Bradley
, (Mon Apr 21, 1:03 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Mitch Bradley
, (Mon Apr 21, 1:22 am)
[Was: 2.6.25-mm1]
, Jiri Slaby
, (Mon Apr 21, 1:31 am)
Re: [Was: 2.6.25-mm1]
, Al Viro
, (Mon Apr 21, 2:06 am)
fault in __d_lookup [Was: 2.6.25-mm1]
, Jiri Slaby
, (Mon Apr 21, 2:37 am)
Re: fault in __d_lookup [Was: 2.6.25-mm1]
, Al Viro
, (Mon Apr 21, 2:45 am)
Re: fault in __d_lookup [Was: 2.6.25-mm1]
, Jiri Slaby
, (Mon Apr 21, 2:59 am)
Re: 2.6.25-mm1
, Takashi Iwai
, (Mon Apr 21, 4:07 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, H. Peter Anvin
, (Mon Apr 21, 4:36 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, H. Peter Anvin
, (Mon Apr 21, 6:09 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, H. Peter Anvin
, (Mon Apr 21, 6:13 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, H. Peter Anvin
, (Mon Apr 21, 6:19 am)
Re: fault in __d_lookup [Was: 2.6.25-mm1]
, Rafael J. Wysocki
, (Mon Apr 21, 6:42 am)
Re: 2.6.25-mm1
, Takashi Iwai
, (Mon Apr 21, 7:06 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Andres Salomon
, (Mon Apr 21, 7:24 am)
Re: 2.6.25-mm1
, Jordan Crouse
, (Mon Apr 21, 7:56 am)
Re: OLPC: Add support for calling into Open Firmware
, H. Peter Anvin
, (Mon Apr 21, 7:58 am)
Re: 2.6.25-mm1
, Andres Salomon
, (Mon Apr 21, 8:05 am)
Re: OLPC: Add support for calling into Open Firmware
, Jordan Crouse
, (Mon Apr 21, 8:05 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1
, Ingo Molnar
, (Mon Apr 21, 8:06 am)
Re: 2.6.25-mm1
, Jordan Crouse
, (Mon Apr 21, 8:12 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, David Woodhouse
, (Mon Apr 21, 8:54 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, H. Peter Anvin
, (Mon Apr 21, 9:57 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Andres Salomon
, (Mon Apr 21, 10:03 am)
Re: fault in __d_lookup [Was: 2.6.25-mm1]
, Matthew Wilcox
, (Mon Apr 21, 10:23 am)
Re: 2.6.25-mm1 (snd-pcsp causes driver conflict)
, Stas Sergeev
, (Mon Apr 21, 10:44 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Stas Sergeev
, (Mon Apr 21, 10:55 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, David Woodhouse
, (Mon Apr 21, 11:54 am)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, David Woodhouse
, (Mon Apr 21, 12:18 pm)
Re: 2.6.25-mm1
, Stas Sergeev
, (Mon Apr 21, 12:45 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, Andres Salomon
, (Mon Apr 21, 12:46 pm)
Re: [PATCH 1/2] OLPC: Add support for calling into Open Fi ...
, David Woodhouse
, (Mon Apr 21, 1:25 pm)
[PATCH] OLPC: only check for OFW signature on VSA-less Geodes
, Andres Salomon
, (Mon Apr 21, 2:02 pm)
Re: OLPC: only check for OFW signature on VSA-less Geodes
, Jordan Crouse
, (Mon Apr 21, 2:17 pm)
Re: [PATCH] OLPC: only check for OFW signature on VSA-less ...
, David Woodhouse
, (Mon Apr 21, 2:17 pm)
Re: StackProtector Oopses - Re: 2.6.25-mm1
, Arjan van de Ven
, (Mon Apr 21, 6:48 pm)
Re: StackProtector Oopses - Re: 2.6.25-mm1
, Valdis.Kletnieks
, (Mon Apr 21, 7:04 pm)
Re: StackProtector Oopses - Re: 2.6.25-mm1
, Ingo Molnar
, (Tue Apr 22, 1:34 am)
Re: 2.6.25-mm1 (snd-pcsp causes driver conflict)
, Takashi Iwai
, (Tue Apr 22, 3:09 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Takashi Iwai
, (Tue Apr 22, 3:13 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Dmitry Torokhov
, (Tue Apr 22, 7:01 am)
Re: StackProtector Oopses - Re: 2.6.25-mm1
, Arjan van de Ven
, (Tue Apr 22, 7:29 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Stas Sergeev
, (Tue Apr 22, 9:42 am)
Re: 2.6.25-mm1 (snd-pcsp causes driver conflict)
, Stas Sergeev
, (Tue Apr 22, 10:54 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Stas Sergeev
, (Tue Apr 22, 11:31 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Takashi Iwai
, (Wed Apr 23, 1:49 am)
Re: 2.6.25-mm1 (snd-pcsp causes driver conflict)
, Takashi Iwai
, (Wed Apr 23, 1:55 am)
Re: 2.6.25-mm1 (snd-pcsp causes driver conflict)
, Takashi Iwai
, (Wed Apr 23, 7:14 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Takashi Iwai
, (Wed Apr 23, 7:18 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Stas Sergeev
, (Wed Apr 23, 1:02 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Takashi Iwai
, (Thu Apr 24, 2:40 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Stas Sergeev
, (Thu Apr 24, 8:51 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Takashi Iwai
, (Thu Apr 24, 11:28 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Stas Sergeev
, (Fri Apr 25, 9:45 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Takashi Iwai
, (Fri Apr 25, 9:51 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Stas Sergeev
, (Fri Apr 25, 10:25 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Dmitry Torokhov
, (Fri Apr 25, 11:09 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Stas Sergeev
, (Fri Apr 25, 11:31 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Dmitry Torokhov
, (Fri Apr 25, 11:37 am)
Re: [PATCH] OLPC: only check for OFW signature on VSA-less ...
, Andrew Morton
, (Mon Apr 28, 8:06 pm)
[PATCH] x86: GEODE: cache results from geode_has_vsa2() an ...
, Andres Salomon
, (Mon Apr 28, 10:32 pm)
Re: [PATCH] x86: GEODE: cache results from geode_has_vsa2( ...
, Andrew Morton
, (Tue Apr 29, 1:35 pm)
Re: [PATCH] x86: GEODE: cache results from geode_has_vsa2( ...
, Andres Salomon
, (Tue Apr 29, 1:57 pm)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Takashi Iwai
, (Fri May 2, 9:44 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Stas Sergeev
, (Fri May 2, 9:57 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Takashi Iwai
, (Tue May 6, 3:20 am)
Re: 2.6.25-mm1 (snd-pcsp doesn't like DEBUG_PAGEALLOC)
, Stas Sergeev
, (Tue May 6, 9:51 am)
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