From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757916Ab0ENRZB (ORCPT ); Fri, 14 May 2010 13:25:01 -0400 Received: from mail-px0-f174.google.com ([209.85.212.174]:43073 "EHLO mail-px0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753442Ab0ENRY7 (ORCPT ); Fri, 14 May 2010 13:24:59 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=t8EPQJnGPrSA8OpblGmO/UOyDgGX6bEgv0l4CRvzM569EVqTlZagdjVj9x+tD0ogYb 3kQRe+Nez8GKonlMD5wPmB9Pz5zzRYniUb+56BnCS9LC10aVJVUxhcNrYSlq3Aww3tpK 5EAlXdeR0ZDhPlvI6cleGUNZWMNZP/GmY7dWQ= Message-ID: <4BED8765.8040307@gmail.com> Date: Fri, 14 May 2010 10:24:53 -0700 From: "Justin P. Mattock" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.4pre) Gecko/20091114 Lightning/1.0pre Thunderbird/3.0b4 MIME-Version: 1.0 To: "Luis R. Rodriguez" CC: Bruno Randolf , Luis Rodriguez , "linux-wireless@vger.kernel.org" , Linux Kernel Mailing List Subject: Re: ath9k: BUG kmalloc-8192: Poison overwritten References: <4BEC7A84.3010503@gmail.com> <201005141520.30802.br1@einfach.org> <4BECEE3E.6090303@gmail.com> <201005141538.43416.br1@einfach.org> <4BED6F19.3040608@gmail.com> <20100514165325.GA28198@tux> In-Reply-To: <20100514165325.GA28198@tux> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/14/10 09:53, Luis R. Rodriguez wrote: > On Fri, May 14, 2010 at 08:41:13AM -0700, Justin P. Mattock wrote: >> On 05/13/10 23:38, Bruno Randolf wrote: >>> On Friday 14 May 2010 15:31:26 Justin P. Mattock wrote: >>>> On 05/13/10 23:20, Bruno Randolf wrote: >>>>> On Friday 14 May 2010 15:16:22 Luis R. Rodriguez wrote: >>>>>> On Thu, May 13, 2010 at 9:44 PM, Justin P. Mattock >>>>>> >>>>>> wrote: >>>>>>> On 05/13/10 21:01, Luis R. Rodriguez wrote: >>>>>>>> On Thu, May 13, 2010 at 7:14 PM, Justin P. Mattock >>>>>>>> >>>>>>>> wrote: >>>>>>>>> what I can try, is(not at the convention, on eth0 >>>>>>>>> at the moment), but when I get back to the convention >>>>>>>>> center place I can try your patch as well as the >>>>>>>>> modprobe option, to see if I can get any signs of >>>>>>>>> a recreation(if so I'll bisect there). >>>>>>>> >>>>>>>> The debug info I just need upon load of the module, I don't need you >>>>>>>> to run the debug stuff to try to reproduce. The debug print upon load >>>>>>>> will tell us the rxbuf size and cache line size. >>>>>>>> >>>>>>>> Luis >>>>>>> >>>>>>> o.k. it's not pretty due >>>>>>> to loads of avc's for SELinux: >>>>>>> (I run a rootless system). >>>>>>> >>>>>>> [ 84.172649] ath9k: Driver unloaded >>>>>>> [ 100.675300] audit_printk_skb: 6 callbacks suppressed >>>>>>> [ 100.675306] type=1400 audit(1273811633.675:20): avc: denied { >>>>>>> search } for pid=2168 comm="modprobe" name="modules" dev=sda3 >>>>>>> ino=2500 scontext=name:staff_r:staff_sudo_t:s0 >>>>>>> tcontext=system_u:object_r:modules_object_t:s0 tclass=dir >>>>>>> [ 100.675408] type=1400 audit(1273811633.675:20): avc: denied { >>>>>>> search } for pid=2168 comm="modprobe" >>>>>>> name="2.6.34-rc7-00057-gcdfda35" dev=sda3 ino=524392 >>>>>>> scontext=name:staff_r:staff_sudo_t:s0 >>>>>>> tcontext=name:object_r:modules_object_t:s0 tclass=dir >>>>>>> [ 100.675552] type=1400 audit(1273811633.675:20): avc: denied { read >>>>>>> } for pid=2168 comm="modprobe" name="modules.dep.bin" dev=sda3 >>>>>>> ino=525251 scontext=name:staff_r:staff_sudo_t:s0 >>>>>>> tcontext=name:object_r:modules_object_t:s0 tclass=file >>>>>>> [ 100.675598] type=1400 audit(1273811633.675:20): avc: denied { open >>>>>>> } for pid=2168 comm="modprobe" name="modules.dep.bin" dev=sda3 >>>>>>> ino=525251 scontext=name:staff_r:staff_sudo_t:s0 >>>>>>> tcontext=name:object_r:modules_object_t:s0 tclass=file >>>>>>> [ 100.675748] type=1300 audit(1273811633.675:20): arch=c000003e >>>>>>> syscall=2 success=yes exit=3 a0=60d140 a1=0 a2=1b6 a3=0 items=0 >>>>>>> ppid=2080 pid=2168 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 >>>>>>> sgid=0 fsgid=0 tty=pts0 ses=1 comm="modprobe" exe="/sbin/modprobe" >>>>>>> subj=name:staff_r:staff_sudo_t:s0 key=(null) >>>>>>> [ 100.675902] type=1400 audit(1273811633.675:21): avc: denied { >>>>>>> getattr } for pid=2168 comm="modprobe" >>>>>>> path="/lib/modules/2.6.34-rc7-00057-gcdfda35/modules.dep.bin" dev=sda3 >>>>>>> ino=525251 scontext=name:staff_r:staff_sudo_t:s0 >>>>>>> tcontext=name:object_r:modules_object_t:s0 tclass=file >>>>>>> [ 100.676052] type=1300 audit(1273811633.675:21): arch=c000003e >>>>>>> syscall=5 success=yes exit=0 a0=3 a1=7fffd2d1dd70 a2=7fffd2d1dd70 a3=0 >>>>>>> items=0 ppid=2080 pid=2168 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 >>>>>>> egid=0 sgid=0 fsgid=0 tty=pts0 ses=1 comm="modprobe" >>>>>>> exe="/sbin/modprobe" >>>>>>> subj=name:staff_r:staff_sudo_t:s0 key=(null) >>>>>>> [ 100.698392] ath9k 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> >>>>>>> IRQ 17 >>>>>>> [ 100.698409] ath9k 0000:03:00.0: setting latency timer to 64 >>>>>>> [ 100.828787] ath: EEPROM regdomain: 0x64 >>>>>>> [ 100.828790] ath: EEPROM indicates we should expect a direct regpair >>>>>>> map [ 100.828793] ath: Country alpha2 being used: 00 >>>>>>> [ 100.828795] ath: Regpair used: 0x64 >>>>>>> [ 100.848609] type=1400 audit(1273811633.678:22): avc: denied { >>>>>>> search } for pid=2168 comm="modprobe" name="ieee80211" dev=debugfs >>>>>>> ino=18 scontext=name:staff_r:staff_sudo_t:s0 >>>>>>> tcontext=system_u:object_r:debugfs_t:s0 tclass=dir >>>>>>> [ 100.848788] phy1: Selected rate control algorithm >>>>>>> 'ath9k_rate_control' [ 100.850035] Registered led device: >>>>>>> ath9k-phy1::radio >>>>>>> [ 100.850488] Registered led device: ath9k-phy1::assoc >>>>>>> [ 100.851227] Registered led device: ath9k-phy1::tx >>>>>>> [ 100.851633] Registered led device: ath9k-phy1::rx >>>>>>> [ 100.851640] phy1: Atheros AR5418 MAC/BB Rev:2 AR5133 RF Rev:81 >>>>>>> mem=0xffffc900005a0000, irq=17 >>>>>>> [ 100.852240] type=1300 audit(1273811633.678:22): arch=c000003e >>>>>>> syscall=175 success=yes exit=0 a0=7f1e9d6ab010 a1=19580 a2=60d920 a3=0 >>>>>>> items=0 ppid=2080 pid=2168 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 >>>>>>> egid=0 sgid=0 fsgid=0 tty=pts0 ses=1 comm="modprobe" >>>>>>> exe="/sbin/modprobe" >>>>>>> subj=name:staff_r:staff_sudo_t:s0 key=(null) >>>>>>> >>>>>>> but there you go dmesg of the debug info for you >>>>>> >>>>>> Justin, did you forget to use the debug parameter on modprobe ath9k? >>>>>> >>>>>> modprobe ath9k debug=0x0000020 >>>>>> >>>>>> I do not see the output I expected. >>>>> >>>>> i think you have to do at least "ifconfig wlan0 up" to see it - (at least >>>>> for ath5k). >>>>> >>>>> bruno >>>> >>>> didn't think todo so, I'll redu >>>> again and see. BTW: the connection >>>> over here is dodgy(hotel) should I at-least >>>> find a stable access point? i.g. convetion >>>> center seemed semi somewhat there >>> >>> no that does not matter. just ifconfig up is enough. it's just initialization, >>> you don't need a connection for that. >>> >>> bruno >>> >>>> Justin P. Mattock >>>> -- >>>> To unsubscribe from this list: send the line "unsubscribe linux-wireless" >>>> in the body of a message to majordomo@vger.kernel.org >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >> >> >> here you go: >> (hopefully I did this correct) >> >> [ 84.172542] ath9k 0000:03:00.0: PCI INT A disabled >> [ 84.172649] ath9k: Driver unloaded >> [ 100.675300] audit_printk_skb: 6 callbacks suppressed >> [ 100.675306] type=1400 audit(1273811633.675:20): avc: denied { >> search } for pid=2168 comm="modprobe" name="modules" dev=sda3 ino=2500 >> xt=name:staff_r:staff_sudo_t:s0 >> tcontext=system_u:object_r:modules_object_t:s0 tclass=dir >> [ 100.675408] type=1400 audit(1273811633.675:20): avc: denied { >> search } for pid=2168 comm="modprobe" name="2.6.34-rc7-00057-gcdfda35" >> dev=sda3 ino=524392 scontext=name:staff_r:staff_sudo_t:s0 >> tcontext=name:object_r:modules_object_t:s0 tclass=dir >> [ 100.675552] type=1400 audit(1273811633.675:20): avc: denied { read >> } for pid=2168 comm="modprobe" name="modules.dep.bin" dev=sda3 >> ino=525251 scontext=name:staff_r:staff_sudo_t:s0 >> tcontext=name:object_r:modules_object_t:s0 tclass=file >> [ 100.675598] type=1400 audit(1273811633.675:20): avc: denied { open >> } for pid=2168 comm="modprobe" name="modules.dep.bin" dev=sda3 >> ino=525251 scontext=name:staff_r:staff_sudo_t:s0 >> tcontext=name:object_r:modules_object_t:s0 tclass=file >> [ 100.675748] type=1300 audit(1273811633.675:20): arch=c000003e >> syscall=2 success=yes exit=3 a0=60d140 a1=0 a2=1b6 a3=0 items=0 >> ppid=2080 pid=2168 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 >> sgid=0 fsgid=0 tty=pts0 ses=1 comm="modprobe" exe="/sbin/modprobe" >> subj=name:staff_r:staff_sudo_t:s0 key=(null) >> [ 100.675902] type=1400 audit(1273811633.675:21): avc: denied { >> getattr } for pid=2168 comm="modprobe" >> path="/lib/modules/2.6.34-rc7-00057-gcdfda35/modules.dep.bin" dev=sda3 >> ino=525251 scontext=name:staff_r:staff_sudo_t:s0 >> tcontext=name:object_r:modules_object_t:s0 tclass=file >> [ 100.676052] type=1300 audit(1273811633.675:21): arch=c000003e >> syscall=5 success=yes exit=0 a0=3 a1=7fffd2d1dd70 a2=7fffd2d1dd70 a3=0 >> items=0 ppid=2080 pid=2168 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 >> egid=0 sgid=0 fsgid=0 tty=pts0 ses=1 comm="modprobe" >> exe="/sbin/modprobe" subj=name:staff_r:staff_sudo_t:s0 key=(null) >> [ 100.698392] ath9k 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> >> IRQ 17 >> [ 100.698409] ath9k 0000:03:00.0: setting latency timer to 64 >> [ 100.828787] ath: EEPROM regdomain: 0x64 >> [ 100.828790] ath: EEPROM indicates we should expect a direct regpair map >> [ 100.828793] ath: Country alpha2 being used: 00 >> [ 100.828795] ath: Regpair used: 0x64 >> >> [ 100.848609] type=1400 audit(1273811633.678:22): avc: denied { >> search } for pid=2168 comm="modprobe" name="ieee80211" dev=debugfs >> ino=18 scontext=name:staff_r:staff_sudo_t:s0 >> tcontext=system_u:object_r:debugfs_t:s0 tclass=dir >> [ 100.848788] phy1: Selected rate control algorithm 'ath9k_rate_control' >> [ 100.850035] Registered led device: ath9k-phy1::radio >> [ 100.850488] Registered led device: ath9k-phy1::assoc >> [ 100.851227] Registered led device: ath9k-phy1::tx >> [ 100.851633] Registered led device: ath9k-phy1::rx >> [ 100.851640] phy1: Atheros AR5418 MAC/BB Rev:2 AR5133 RF Rev:81 >> mem=0xffffc900005a0000, irq=17 >> [ 100.852240] type=1300 audit(1273811633.678:22): arch=c000003e >> syscall=175 success=yes exit=0 a0=7f1e9d6ab010 a1=19580 a2=60d920 a3=0 >> items=0 ppid=2080 pid=2168 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 >> egid=0 sgid=0 fsgid=0 tty=pts0 ses=1 comm="modprobe" >> exe="/sbin/modprobe" subj=name:staff_r:staff_sudo_t:s0 key=(null) >> >> >> let me know if you need more info.. I'll be off the grid in >> a few, then probably wont be back on till a while >> (since I aint got's no 99 big ones for intranet!!) > > Your output still did not have the stuff I was looking for, just do: > > dmesg | grep cachelsz > > If nothing comes up it doesn't have the output I was looking for yet. > > Luis > here you go: (I was grabbing the info after rmmod and modprobe) [ 7.034242] ATH9K: cachelsz: 256 [ 69.175348] ATH9K: cachelsz: 256 Justin P. Mattock