Bug 814296

Summary: writev() returns 32-bit wrapped value on ext4 on x86_64 in certain cases
Product: Red Hat Enterprise Linux 6 Reporter: Jouko Orava <jouko.orava>
Component: kernelAssignee: Red Hat Kernel Manager <kernel-mgr>
Status: CLOSED DUPLICATE QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 6.2CC: esandeen
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-04-19 14:45:32 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Jouko Orava 2012-04-19 14:30:36 UTC
Reported by Jouni Siren to the linux-ext4 mailing list,
http://marc.info/?l=linux-ext4&m=133424246404043&w=2

fixed by a one-line patch to fs/ext4/file.c,
http://marc.info/?l=linux-ext4&m=133424653606040&w=2

verified on 2.6.32-220.7.1.el6.x86_64 kernels,
and verified the patch fixes the problem on said kernels,
http://marc.info/?l=linux-ext4&m=133484292912874&w=2

Comment 2 Eric Sandeen 2012-04-19 14:45:32 UTC

*** This bug has been marked as a duplicate of bug 814302 ***