From: "J.A. Magallón" <jamagallon@ono.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: Oops with touch and unknown uid [was Re: 2.6.22-rc6-mm1]
Date: Sun, 22 Jul 2007 23:48:14 +0200 [thread overview]
Message-ID: <20070722234814.0f792452@werewolf-wl> (raw)
In-Reply-To: <20070628034321.38c9f12b.akpm@linux-foundation.org>
On Thu, 28 Jun 2007 03:43:21 -0700, Andrew Morton <akpm@linux-foundation.org> wrote:
>
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc6/2.6.22-rc6-mm1/
>
I have noticed a funny problem.
Lets say 666 is not an uid used on you system. This oopses:
rm -f dummy
touch dummy
chown 666 dummy
touch dummy
Oops:
BUG: unable to handle kernel NULL pointer dereference at virtual address 0000006a
printing eip:
c0165281
*pde = 00000000
Oops: 0000 [#2]
PREEMPT SMP
Modules linked in: w83627hf hwmon_vid hwmon i2c_dev loop floppy udf microcode snd_emu10k1 snd_rawmidi snd_ac97_codec ac97_bus snd_pcm nvidia(P) snd_timer 3c59x snd_page_alloc snd_util_mem snd_hwdep snd usblp ohci1394 e1000 ieee1394 sata_promise emu10k1_gp gameport intel_agp i2c_i801 agpgart evdev sg
CPU: 3
EIP: 0060:[<c0165281>] Tainted: P D VLI
EFLAGS: 00210297 (2.6.21-jam12 #1)
EIP is at permission+0x4/0xa1
eax: 00000000 ebx: c5785aa0 ecx: c43a1f04 edx: 00000002
esi: 00000000 edi: 00000000 ebp: c3442c00 esp: c43a1ef0
ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
Process touch (pid: 8401, ti=c43a1000 task=c25d69b0 task.ti=c43a1000)
Stack: c5785aa0 fffffff3 c017ba84 c43e9c50 c55c52a8 c43e9c50 c344ab7c 000000c9
00000000 00000000 c3442c00 00000000 b7f14f70 c4f574d0 c2ea5400 c03ef580
00000000 00000004 b7f14f70 c0125cac ffffffff 00000000 00000000 c4f574d0
Call Trace:
[<c017ba84>] do_utimes+0x174/0x1b9
[<c0125cac>] __atomic_notifier_call_chain+0x27/0x4d
[<c0111a06>] do_page_fault+0x523/0x68d
[<c017bbb3>] sys_utimensat+0x22/0x92
[<c01114e3>] do_page_fault+0x0/0x68d
[<c0102902>] sysenter_past_esp+0x5f/0x85
[<c0300000>] packet_setsockopt+0x279/0x325
=======================
Code: eb b1 66 c1 ee 06 8d 74 26 00 eb 8c 83 e7 02 75 c5 b8 02 00 00 00 8d 74 26 00 e8 16 bf fb ff 85 c0 74 b3 31 c0 eb c9 56 53 89 c6 <0f> b7 58 6a f6 c2 02 74 31 8b 80 a4 00 00 00 f6 40 30 01 74 1c
EIP: [<c0165281>] permission+0x4/0xa1 SS:ESP 0068:c43a1ef0
Any ideas ?
--
J.A. Magallon <jamagallon()ono!com> \ Software is like sex:
\ It's better when it's free
Mandriva Linux release 2008.0 (Cooker) for i586
Linux 2.6.21-jam12 (gcc 4.2.1 20070704 (4.2.1-3mdv2008.0)) SMP PREEMPT
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
next prev parent reply other threads:[~2007-07-22 21:48 UTC|newest]
Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-28 10:43 2.6.22-rc6-mm1 Andrew Morton
2007-06-28 12:08 ` 2.6.22-rc6-mm1 Gabriel C
2007-06-28 17:54 ` 2.6.22-rc6-mm1 Andrew Morton
2007-06-28 13:37 ` [patch -mm] Make check_signature() depend on CONFIG_HAS_IOMEM Heiko Carstens
2007-06-28 18:06 ` Andrew Morton
2007-06-28 18:27 ` Geert Uytterhoeven
2007-06-28 18:38 ` Andrew Morton
2007-06-28 18:47 ` Geert Uytterhoeven
2007-06-28 20:29 ` Andrew Morton
2007-06-28 22:25 ` Alan Cox
2007-06-28 22:45 ` Jeff Dike
2007-06-28 23:01 ` Andrew Morton
2007-06-28 22:51 ` Roman Zippel
2007-06-28 23:12 ` Alan Cox
2007-06-29 0:06 ` Roman Zippel
2007-06-29 13:08 ` Geert Uytterhoeven
2007-06-28 13:39 ` [patch -mm] s390: struct bin_attribute changes Heiko Carstens
2007-06-28 16:04 ` Zhang, Rui
2007-06-28 21:08 ` Greg KH
2007-06-28 13:39 ` [patch -mm] s390: rename CPU_IDLE to S390_CPU_IDLE Heiko Carstens
2007-06-28 15:03 ` Ingo Molnar
2007-06-28 14:49 ` [PATCH 2.6.22-rc6-mm1] compile error when CONFIG_DM_NETLINK is not defined Dave Kleikamp
2007-06-28 15:34 ` Alasdair G Kergon
2007-06-28 19:29 ` 2.6.22-rc6-mm1: multiple definition of `check_reset' Adrian Bunk
2007-06-28 20:01 ` Andrew Morton
2007-06-28 20:09 ` 2.6.22-rc6-mm1: io_apic build error Randy Dunlap
2007-06-28 20:23 ` Andrew Morton
2007-06-28 21:47 ` John Keller
2007-06-28 20:40 ` 2.6.22-rc6-mm1: Xen: WARNING: Absolute relocations present Adrian Bunk
2007-06-28 20:49 ` Jeremy Fitzhardinge
2007-07-01 15:37 ` Eric W. Biederman
2007-07-01 16:33 ` Jeremy Fitzhardinge
2007-07-01 20:23 ` Adrian Bunk
2007-07-01 20:31 ` Eric W. Biederman
2007-07-01 22:13 ` Jeremy Fitzhardinge
2007-06-28 20:40 ` 2.6.22-rc6-mm1 Intel DMAR crash on AMD x86_64 Zan Lynx
2007-06-28 23:50 ` Zach Carter
2007-06-29 12:32 ` 2.6.22-rc6-mm1 Mariusz Kozlowski
2007-06-29 12:54 ` 2.6.22-rc6-mm1 Sergei Shtylyov
2007-07-02 13:49 ` 2.6.22-rc6-mm1 Jason Wessel
2007-07-02 14:23 ` 2.6.22-rc6-mm1 Sergei Shtylyov
2007-07-02 14:45 ` 2.6.22-rc6-mm1 Jason Wessel
2007-07-02 23:21 ` 2.6.22-rc6-mm1 Paul Mackerras
2007-06-29 20:47 ` 2.6.22-rc6-mm1 Andrew Morton
2007-06-30 8:40 ` 2.6.22-rc6-mm1 Michal Marek
2007-06-29 14:17 ` 2.6.22-rc6-mm1 Roman Zippel
2007-06-29 20:58 ` 2.6.22-rc6-mm1 Andrew Morton
2007-07-01 1:48 ` 2.6.22-rc6-mm1 Roman Zippel
2007-06-29 14:50 ` 2.6.22-rc6-mm1 Valdis.Kletnieks
2007-06-29 21:01 ` 2.6.22-rc6-mm1 Andrew Morton
2007-06-30 4:17 ` 2.6.22-rc6-mm1 Valdis.Kletnieks
2007-06-30 5:15 ` 2.6.22-rc6-mm1 Andrew Morton
2007-06-30 16:22 ` 2.6.22-rc6-mm1 Jeremy Fitzhardinge
2007-06-30 21:10 ` 2.6.22-rc6-mm1 Sam Ravnborg
2007-06-30 21:39 ` 2.6.22-rc6-mm1 Andrew Morton
2007-07-01 1:53 ` 2.6.22-rc6-mm1 Roman Zippel
2007-07-03 20:36 ` 2.6.22-rc6-mm1 Andrew Morton
2007-07-01 5:31 ` 2.6.22-rc6-mm1 Satyam Sharma
2007-07-01 6:52 ` 2.6.22-rc6-mm1 Sam Ravnborg
2007-07-01 20:22 ` [-mm patch] fix include/asm-m68k/fb.h Adrian Bunk
2007-07-01 20:22 ` [-mm patch] fix duplicate CONFIG_DMAR Makefile line Adrian Bunk
2007-07-03 0:30 ` Keshavamurthy, Anil S
2007-07-01 20:23 ` [-mm patch] make cpuidle_replace_governor() static Adrian Bunk
2007-07-01 20:23 ` 2.6.22-rc6-mm1: TUNER_TEA5761 kconfig fixes Adrian Bunk
2007-07-01 21:29 ` Michael Krufky
2007-07-01 20:23 ` [-mm patch] unexport bprm_mm_init Adrian Bunk
2007-07-01 20:23 ` [-mm patch] unionfs: make functions static Adrian Bunk
2007-07-02 1:42 ` Josef Sipek
2007-07-02 2:21 ` Satyam Sharma
2007-07-02 2:27 ` Adrian Bunk
2007-07-02 20:38 ` Josef Sipek
2007-07-01 20:23 ` [-mm patch] kernel/power/main.c: make code static Adrian Bunk
2007-07-01 23:12 ` Rafael J. Wysocki
2007-07-01 20:23 ` [-mm patch] make struct dccp_li_cachep static Adrian Bunk
2007-07-01 20:23 ` [-mm patch] unexport mmap_min_addr Adrian Bunk
2007-07-01 22:38 ` James Morris
2007-07-01 20:23 ` [-mm patch] remove security/selinux/hooks.c:enabled_mmap_min_addr Adrian Bunk
2007-07-01 22:39 ` James Morris
2007-07-01 20:24 ` [-mm patch] unexport dvb_pll_configure Adrian Bunk
2007-07-01 21:29 ` Michael Krufky
2007-07-04 19:00 ` 2.6.22-rc6-mm1: Xen + Numa = compile error Adrian Bunk
2007-07-05 0:32 ` [PATCH] xen: can't support numa yet Jeremy Fitzhardinge
2007-07-05 23:22 ` [-mm patch] arch/i386/xen/events.c should #include <asm/xen/hypervisor.h> Adrian Bunk
2007-07-06 0:10 ` Jeremy Fitzhardinge
2007-07-05 23:22 ` [-mm patch] arch/i386/xen/mmu.c must #include <linux/sched.h> Adrian Bunk
2007-07-06 0:08 ` Jeremy Fitzhardinge
2007-07-05 23:22 ` [-mm patch] make arch/i386/xen/mmu.c:xen_pgd_pin() static Adrian Bunk
2007-07-06 0:09 ` Jeremy Fitzhardinge
2007-07-05 23:23 ` [-mm patch] kernel/sched.c: make 2 functions static Adrian Bunk
2007-07-06 14:03 ` kgdb Bad IO access (was: 2.6.22-rc6-mm1) Tilman Schmidt
2007-07-06 16:45 ` Andrew Morton
2007-07-06 17:33 ` kgdb Bad IO access Jason Wessel
2007-07-06 17:51 ` Jason Wessel
2007-07-06 18:15 ` preemption counter havoc on kgdb-taken faults (was: kgdb Bad IO access) Jan Kiszka
2007-07-06 18:24 ` preemption counter havoc on kgdb-taken faults Jason Wessel
2007-07-06 19:19 ` Jan Kiszka
2007-07-06 21:31 ` 2.6.22-rc6-mm1 Badari Pulavarty
2007-07-07 1:50 ` 2.6.22-rc6-mm1: SLUB_DEBUG=n compile error Adrian Bunk
2007-07-07 2:03 ` Christoph Lameter
2007-07-07 2:09 ` Adrian Bunk
2007-07-07 2:13 ` Christoph Lameter
2007-07-07 2:01 ` 2.6.22-rc6-mm1: UNION_FS=y + BLOCK=n = " Adrian Bunk
2007-07-08 11:58 ` Erez Zadok
2007-07-07 8:03 ` 2.6.22-rc6-mm1: git-kgdb breaks sh compilation Adrian Bunk
2007-07-08 5:10 ` Jason Wessel
2007-07-07 21:11 ` [-mm patch] XFS: fix powerpc compat compile error Adrian Bunk
2007-07-09 22:56 ` [-mm patch] fix SND_CS5530=y, ISA=n compilation Adrian Bunk
2007-07-10 9:35 ` Takashi Iwai
2007-07-14 0:58 ` 2.6.22-rc6-mm1 Nish Aravamudan
2007-07-22 21:48 ` J.A. Magallón [this message]
2007-07-22 23:41 ` Oops with touch and unknown uid [was Re: 2.6.22-rc6-mm1] Randy Dunlap
2007-07-23 6:12 ` Andrew Morton
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