Bug 1266720 - btrfs-progs-4.2.0: btrfs check reports 'bad metadata [29474816, 29491200) crossing stripe boundary' on newly created filesystems
Summary: btrfs-progs-4.2.0: btrfs check reports 'bad metadata [29474816, 29491200) cro...
Keywords:
Status: CLOSED EOL
Alias: None
Product: Fedora
Classification: Fedora
Component: btrfs-progs
Version: 23
Hardware: x86_64
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Josef Bacik
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-09-26 22:19 UTC by Donavan Lance
Modified: 2016-12-20 14:46 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2016-12-20 14:46:41 UTC
Type: Bug
Embargoed:


Attachments (Terms of Use)
btrfs creation and checking output (1.70 KB, text/plain)
2015-09-26 22:19 UTC, Donavan Lance
no flags Details

Description Donavan Lance 2015-09-26 22:19:11 UTC
Created attachment 1077586 [details]
btrfs creation and checking output

Description of problem:
Using the F23 Beta ISO I created a new btrfs filesystem, mounted it, then unmounted it and ran 'btrfs check' against it. 'btrfs check' reported:

bad metadata [29474816, 29491200) crossing stripe boundary
bad metadata [29540352, 29556736) crossing stripe boundary
Errors found in extent allocation tree or chunk allocation

This was using btrfs-progs 4.2.0 from the live environment, so this issue affects everyone using btrfs-progs 4.2.0, the F23 Beta ISO, and even the updated F22 ISOs.

Version-Release number of selected component (if applicable):
btrfs-progs 4.2

How reproducible:
Always

Steps to Reproduce:
1. Format a new partition with mkfs.btrfs
2. Mount the partition
3. Unmount the partition
4. Run 'btrfs check' on the partition

Actual results:
'btrfs check' reports:
bad metadata [29474816, 29491200) crossing stripe boundary
bad metadata [29540352, 29556736) crossing stripe boundary
Errors found in extent allocation tree or chunk allocation

Expected results:
'btrfs check' returns no errors

Additional info:
This bug has actually been fixed in btrfs-progs v4.2.1. Patch that fixes it on the btrfs mailing list: http://www.spinics.net/lists/linux-btrfs/msg47029.html

I'm reporting this bug because I'm not sure if this actually causes problems or not. From what I can tell, it looks like it's just a bug in the fsck code and doesn't harm any data but I can't guarantee that is actually true. If it does affect the on disk format, then this bug affects anyone who creates a partition using btrfs-progs 4.2.0 (especially F23 Beta ISO and updated F22 ISO users).

I'll attach my terminal output that runs through everything, and for redundancy here it the fpaste: http://paste.fedoraproject.org/271863/30497614/

Comment 1 Fedora End Of Life 2016-11-24 12:37:30 UTC
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Comment 2 Fedora End Of Life 2016-12-20 14:46:41 UTC
Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 is
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