* [Bug 12686] New: kernel oops __ticket_spin_lock
@ 2009-02-11 10:54 bugme-daemon
2009-02-11 10:55 ` [Bug 12686] " bugme-daemon
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: bugme-daemon @ 2009-02-11 10:54 UTC (permalink / raw)
To: linux-ext4
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@kernel-bugs.osdl.org
ReportedBy: dmaciejak@fortinet.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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* [Bug 12686] kernel oops __ticket_spin_lock
2009-02-11 10:54 [Bug 12686] New: kernel oops __ticket_spin_lock bugme-daemon
@ 2009-02-11 10:55 ` bugme-daemon
2009-02-11 10:55 ` bugme-daemon
2009-05-19 19:08 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugme-daemon @ 2009-02-11 10:55 UTC (permalink / raw)
To: linux-ext4
http://bugzilla.kernel.org/show_bug.cgi?id=12686
------- Comment #1 from dmaciejak@fortinet.com 2009-02-11 02:55 -------
Created an attachment (id=20189)
--> (http://bugzilla.kernel.org/attachment.cgi?id=20189&action=view)
kern.log extract
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* [Bug 12686] kernel oops __ticket_spin_lock
2009-02-11 10:54 [Bug 12686] New: kernel oops __ticket_spin_lock bugme-daemon
2009-02-11 10:55 ` [Bug 12686] " bugme-daemon
@ 2009-02-11 10:55 ` bugme-daemon
2009-05-19 19:08 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugme-daemon @ 2009-02-11 10:55 UTC (permalink / raw)
To: linux-ext4
http://bugzilla.kernel.org/show_bug.cgi?id=12686
------- Comment #2 from dmaciejak@fortinet.com 2009-02-11 02:55 -------
Created an attachment (id=20190)
--> (http://bugzilla.kernel.org/attachment.cgi?id=20190&action=view)
gzip ext4 poc
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* [Bug 12686] kernel oops __ticket_spin_lock
2009-02-11 10:54 [Bug 12686] New: kernel oops __ticket_spin_lock bugme-daemon
2009-02-11 10:55 ` [Bug 12686] " bugme-daemon
2009-02-11 10:55 ` bugme-daemon
@ 2009-05-19 19:08 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2009-05-19 19:08 UTC (permalink / raw)
To: linux-ext4
http://bugzilla.kernel.org/show_bug.cgi?id=12686
Theodore Tso <tytso@mit.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |tytso@mit.edu
Resolution| |UNREPRODUCIBLE
Regression|--- |No
--- Comment #3 from Theodore Tso <tytso@mit.edu> 2009-05-19 19:08:39 ---
I can't reproduce this on a recent kernel. Even after removing the bogus
indirect and triple indirect block which causes modern kernels to refuse to
mount the filesystem, it still doesn't crash, even after giving all of the
ext4_claim_inode() errors caused by the very large s_first_ino value. So it
looks like this problem is no longer an issue on 2.6.30-rc6 kernels.
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end of thread, other threads:[~2009-05-19 19:08 UTC | newest]
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2009-02-11 10:54 [Bug 12686] New: kernel oops __ticket_spin_lock bugme-daemon
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2009-05-19 19:08 ` bugzilla-daemon
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