BUG: unable to handle kernel paging request at ffff88024cae633a

[Kees Cook]

This crashed in AA, it seems.

[87062.867889] Call Trace:
[87062.867894] [<ffffffff8127acfa>] aa_dfa_match+0x3a/0x50
[87062.867898] [<ffffffff8127b803>] aa_find_attach+0x93/0xf0
[87062.867903] [<ffffffff8127c84b>] apparmor_bprm_set_creds+0x35b/0x510
[87062.867909] [<ffffffff81087b8e>] ? up_write+0xe/0x10
[87062.867914] [<ffffffff8124d943>] security_bprm_set_creds+0x13/0x20
[87062.867920] [<ffffffff81146ad1>] prepare_binprm+0xb1/0x110
[87062.867924] [<ffffffff81147954>] do_execve+0x1b4/0x310
[87062.867929] [<ffffffff812b73ca>] ? strncpy_from_user+0x4a/0x90
[87062.867934] [<ffffffff810115ba>] sys_execve+0x4a/0x80
[87062.867938] [<ffffffff8101364a>] stub_execve+0x6a/0xc0

And it happened when I ran:

$ fakeroot debian/rules build
/usr/bin/fakeroot: line 178: 7280 Killed FAKEROOTKEY=$FAKEROOTKEY LD_LIBRARY_PATH="$PATHS" LD_PRELOAD="$LIB" "$@"

ProblemType: KernelOops
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Annotation: Your system might become unstable now and might need to be restarted.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: kees 3851 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xe0420000 irq 22'
   Mixer name : 'Realtek ALC268'
   Components : 'HDA:10ec0268,80860000,00100003'
   Controls : 17
   Simple ctrls : 11
Date: Thu Mar 11 15:35:35 2010
DistroRelease: Ubuntu 10.04
Failure: oops
Frequency: This has only happened once.
HibernationDevice: RESUME=/dev/md1
Package: linux-image-2.6.32-16-generic 2.6.32-16.25
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-16-generic root=/dev/mapper/systemvg-root2lv ro quiet splash
ProcVersionSignature: Ubuntu 2.6.32-16.24-generic
Regression: Yes
RelatedPackageVersions: linux-firmware 1.32
Reproducible: No
RfKill:

SourcePackage: linux
TestedUpstream: No
Title: BUG: unable to handle kernel paging request at ffff88024cae633a
Uname: Linux 2.6.32-16-generic x86_64
WpaSupplicantLog:

dmi.bios.date: 09/22/2008
dmi.bios.vendor: Intel Corp.
dmi.bios.version: JOQ3510J.86A.0954.2008.0922.2331
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: DQ35JO
dmi.board.vendor: Intel Corporation
dmi.board.version: AAD82085-800
dmi.chassis.type: 3
dmi.modalias: dmi:bvnIntelCorp.:bvrJOQ3510J.86A.0954.2008.0922.2331:bd09/22/2008:svn:pn:pvr:rvnIntelCorporation:rnDQ35JO:rvrAAD82085-800:cvn:ct3:cvr:

[Kees Cook (kees)]

I cannot reproduce this after a reboot. (My system hung eventually.) It appeared to be sensitive to having a "~" in the path I was running from. Very odd.

[Jeremy Foshee (jeremyfoshee)]

Kees,
    I'm adding this to my list for the team to look at.

~JFo