linux-ext4 - [Bug 12686] New: kernel oops __ticket_spin

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Date:	Wed, 11 Feb 2009 02:54:08 -0800 (PST)
From:	bugme-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 12686] New: kernel oops __ticket_spin_lock

http://bugzilla.kernel.org/show_bug.cgi?id=12686

           Summary: kernel oops __ticket_spin_lock
           Product: File System
           Version: 2.5
     KernelVersion: 2.6.29-rc4
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: ext4
        AssignedTo: fs_ext4@...nel-bugs.osdl.org
        ReportedBy: dmaciejak@...tinet.com


Latest working kernel version: NA
Earliest failing kernel version: NA
Distribution: Ubuntu
Hardware Environment: Dell Optiplex 740
Software Environment: NA

Hi,

playing around with crafted ext4 fs raised a kernel oops (see attached extract
from kern.log)

Steps to reproduce:
*gunzip the poc enclosed
*mount -t ext4 ext4.poc.img /media/here -o loop
*touch /media/here/test

Regards,

David Maciejak
Fortinet's FortiGuard Global Security Research Team


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