Bug 771410

Summary:	kernel 3.1.6-1.fc16.x86_64 null pointer dereference in ext4 (BUG)
Product:	[Fedora] Fedora	Reporter:	Conrad Meyer <cse.cem+redhatbugz>
Component:	kernel	Assignee:	Eric Sandeen <esandeen>
Status:	CLOSED NOTABUG	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	16	CC:	gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-01-16 08:01:43 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:

Description Conrad Meyer 2012-01-03 16:32:31 UTC

Description of problem:
Kernel backtraces after syscall from userspace (which seems to cause future calls to backtrace, e.g., umount).


Version-Release number of selected component (if applicable):
kernel-3.1.6-1.fc16.x86_64


How reproducible:
Don't know


Steps to Reproduce:
1. Leave rtorrent idling
2.
3.


Additional info:
Here are the traces themselves (sorry the pictures aren't great):
http://imgur.com/a/9SHRF

Comment 1 Conrad Meyer 2012-01-16 08:01:43 UTC

Nevermind, got one-too-many kernel crashes lately and decided to run memtest86+. Sure enough, one of the sticks was bad. Sorry to waste your time.