Bug 487966 - Application bug, race in MSG_PEEK
Summary: Application bug, race in MSG_PEEK
Keywords:
Status: CLOSED UPSTREAM
Alias: None
Product: Fedora
Classification: Fedora
Component: fetchmail
Version: rawhide
Hardware: All
OS: Linux
low
medium
Target Milestone: ---
Assignee: Vitezslav Crhonek
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks: F11Target
TreeView+ depends on / blocked
 
Reported: 2009-03-01 20:04 UTC by Nicolas Mailhot
Modified: 2009-05-11 10:08 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2009-03-02 15:16:18 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Nicolas Mailhot 2009-03-01 20:04:58 UTC 
Description of problem:

Found this in kernel logs, no additional info available

kernel: TCP(fetchmail:12072): Application bug, race in MSG_PEEK.

(greping logs for MSG_PEEK reveals lots of older occurrences I didn't notice before)

fetchmail-6.3.9-3.fc11.x86_64
Comment 1 Vitezslav Crhonek 2009-03-02 15:16:18 UTC 
Hi,

Thanks for report. The log message is present in fetchmail for longer time (I think since Fedora 8). Upstream is aware of this issue and working on fix.

Here you can find additional information:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513695
Comment 2 Vitezslav Crhonek 2009-05-11 10:08:24 UTC 
"That's in fact a bug in Linux kernels around the late 2.6.2X versions, rather than fetchmail. Fetchmail has no race bugs around MSG_PEEK, as of version 6.3.9. The message can safely be ignored."
(http://www.fetchmail.info/fetchmail-FAQ.html#O17)
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