This bug was fixed in the package linux - 4.2.0-7.7
---
linux (4.2.0-7.7) wily; urgency=low
[ Tim Gardner ]
* Release Tracking Bug
- LP: #1490564
* rebase to v4.2
[ Wen Xiong ]
* SAUCE: ipr: Byte swapping for device_id attribute in sysfs
- LP: #1453892
[
** Changed in: linux (Ubuntu Wily)
Milestone: ubuntu-15.08 => ubuntu-15.09
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https://bugs.launchpad.net/bugs/1483440
Title:
odd behavior with /proc/net/route reading
Arrived in the v4.2-rc8 rebase, will be in the 4.2.0-6.6 upload.
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https://bugs.launchpad.net/bugs/1483440
Title:
odd behavior with /proc/net/route reading via sh 'read'
** Also affects: linux (Ubuntu Wily)
Importance: Medium
Assignee: Andy Whitcroft (apw)
Status: In Progress
** Changed in: linux (Ubuntu Wily)
Status: In Progress = Fix Committed
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Patch accepted upstream and queued for stable.
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https://bugs.launchpad.net/bugs/1483440
Title:
odd behavior with /proc/net/route reading via sh 'read'
Status in linux
commit 25b97c016b26039982daaa2c11d83979f93b71ab
Author: Andy Whitcroft a...@canonical.com
Date: Thu Aug 13 20:49:01 2015 +0100
ipv4: off-by-one in continuation handling in /proc/net/route
When generating /proc/net/route we emit a header followed by a line for
each route. When
Patch submited upstream for this issue:
Subject: ipv4: off-by-one in continuation handling in /proc/net/route
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Title:
odd behavior
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Andy Whitcroft (apw)
** Changed in: linux (Ubuntu)
Milestone: None = ubuntu-15.08
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This appears to be an off-by-one issue when handling reads which are
smaller than the overall returned size for the table. This is easily
spotted in the read line by line mode triggered in the following test
script:
#!/bin/bash
while read l
do
echo $l
done /proc/net/route
Heres a hint, something goes foul around block size == content size.
$ cp /proc/net/route /tmp/out
$ ls -l /tmp/out
-rw-rw-r-- 1 ubuntu ubuntu 512 Aug 11 01:06 /tmp/out
$ outf=/tmp/out; for exp in 1 2 3 4 5 6 7 8 9 10; do
printf bs=%-8s $((2**$exp));
out=$(dd if=/proc/net/route of=$outf
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