Ubuntu
linux package

BUG: unable to handle kernel NULL pointer dereference at 00000040

Bug #471819 reported by tpfeifer
24
This bug affects 5 people
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

Ubuntu 9.10 only: Attempting to execute a upx compressed binary that was compressed with the --force-execve option results in a "Killed" message in terminal, and prompt to report bug. Did not happen in 9.04 and previous.

To reproduce: Install the upx-ucl package, and compress a binary (such as /sbin/e2fsck as example) with this command:
upx --force-execve e2fsck

Then attempt execute the compressed file

ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: tompfr 1564 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'ICH6'/'Intel ICH6 with AD1981B at irq 10'
   Mixer name : 'Analog Devices AD1981B'
   Components : 'AC97a:41445374'
   Controls : 28
   Simple ctrls : 20
Date: Mon Nov 2 17:14:20 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=de350608-beec-4a8a-83db-07f7d0e969f7
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: TOSHIBA Satellite M45
Package: linux-image-2.6.31-14-generic 2.6.31-14.48
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-14-generic root=UUID=59c23904-29e5-4d74-a71f-4d5b94cc9f03 ro quiet splash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-14-generic N/A
 linux-firmware 1.24
RfKill:

SourcePackage: linux
Tags: kernel-oops
Title: BUG: unable to handle kernel NULL pointer dereference at 00000040
Uname: Linux 2.6.31-14-generic i686
dmi.bios.date: 05/27/2005
dmi.bios.vendor: TOSHIBA
dmi.bios.version: Version 1.60
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Version A0
dmi.chassis.asset.tag: 0000000000
dmi.chassis.type: 8
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: Version 1.0
dmi.modalias: dmi:bvnTOSHIBA:bvrVersion1.60:bd05/27/2005:svnTOSHIBA:pnSatelliteM45:pvrPSM40U-07V001:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct8:cvrVersion1.0:
dmi.product.name: Satellite M45
dmi.product.version: PSM40U-07V001
dmi.sys.vendor: TOSHIBA

Revision history for this message
tpfeifer (tpfeife1) wrote :
Brian Murray (brian-murray)
affects: ubuntu → linux (Ubuntu)
Revision history for this message
John Reiser (jreiser) wrote :

$ strace ./date.upx.force-execve
    ...
open("/tmp/upxDKH3WN3ADWZ", O_RDONLY) = 3
getpid() = 3801
access("/proc/3801/fd/3", R_OK|X_OK) = 0
unlink("/tmp/upxDKH3WN3ADWZ") = 0
fcntl(3, F_SETFD, FD_CLOEXEC) = 0
execve("/proc/3801/fd/3", ["./date.exe"], [/* 35 vars */] <unfinished ...>
+++ killed by SIGKILL +++

Revision history for this message
Brian Murray (brian-murray) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 437258, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.

Changed in linux (Ubuntu):
status: New → Confirmed
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