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07-28-2019, 08:42 AM
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#1471
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LQ Veteran
Registered: Feb 2007
Distribution: Slackware64-current with KDE4Town.
Posts: 9,356
Original Poster
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07-28-2019, 05:00 PM
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#1472
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Member
Registered: Nov 2009
Location: Gothenburg, Sweden
Distribution: Slackware
Posts: 946
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Quote:
Originally Posted by cwizardone
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Hmm, this looks interesting:
Quote:
commit 6323c238bb4374d1477348cfbd5854f2bebe9a21
Author: Eric Dumazet
Date: Fri Jul 19 11:52:33 2019 -0700
tcp: be more careful in tcp_fragment()
[ Upstream commit b617158dc096709d8600c53b6052144d12b89fab ]
Some applications set tiny SO_SNDBUF values and expect
TCP to just work. Recent patches to address CVE-2019-11478
broke them in case of losses, since retransmits might be prevented.
We should allow these flows to make progress.
This patch allows the first and last skb in retransmit queue
to be split even if memory limits are hit.
It also adds some room due to the fact that tcp_sendmsg()
and tcp_sendpage() might overshoot sk_wmem_queued by about one full
TSO skb (64KB size). Note this allowance was already present
in stable backports for kernels < 4.15
Note for < 4.15 backports :
tcp_rtx_queue_tail() will probably look like :
static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk)
{
struct sk_buff *skb = tcp_send_head(sk);
return skb ? tcp_write_queue_prev(sk, skb) : tcp_write_queue_tail(sk);
}
Fixes: f070ef2ac667 ("tcp: tcp_fragment() should apply sane memory limits")
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Looks like TCP SACK Panic has reared its ugly head again. I have posted a note in the Slackware-security thread.
Last edited by mats_b_tegner; 07-28-2019 at 05:23 PM.
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3 members found this post helpful.
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07-28-2019, 08:44 PM
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#1473
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LQ Veteran
Registered: Feb 2007
Distribution: Slackware64-current with KDE4Town.
Posts: 9,356
Original Poster
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5.3-rc2
The newest "mainline" development kernel, version 5.3-rc2, has been been made available for testing.
The tarball, https://git.kernel.org/torvalds/t/linux-5.3-rc2.tar.gz
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07-28-2019, 10:01 PM
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#1474
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Slackware Maintainer
Registered: Dec 2002
Location: Minnesota
Distribution: Slackware! :-)
Posts: 2,728
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Quote:
Originally Posted by mats_b_tegner
Hmm, this looks interesting:
Looks like TCP SACK Panic has reared its ugly head again. I have posted a note in the Slackware-security thread.
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Less of a security fix than a regression fix. 4.19.61 broke icecream here, and 4.19.62 has fixed it. |
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5 members found this post helpful.
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07-29-2019, 01:26 AM
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#1475
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Member
Registered: Nov 2009
Location: Gothenburg, Sweden
Distribution: Slackware
Posts: 946
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Quote:
Originally Posted by volkerdi
Less of a security fix than a regression fix. 4.19.61 broke icecream here, and 4.19.62 has fixed it.
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Okay. I have updated the post in the Slackware security thread as a regression fix. |
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3 members found this post helpful.
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07-29-2019, 09:44 AM
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#1476
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LQ Veteran
Registered: Feb 2007
Distribution: Slackware64-current with KDE4Town.
Posts: 9,356
Original Poster
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Just FYI, the "Linux-Kernel Archive By Thread" hasn't been updated since Friday morning, 26 July 2019, at 01:23:51, EST.
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1 members found this post helpful.
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07-30-2019, 02:48 PM
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#1477
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LQ Veteran
Registered: Feb 2007
Distribution: Slackware64-current with KDE4Town.
Posts: 9,356
Original Poster
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Another round of updates has been scheduled for release Wednesday evening, GMT.
If no problems are found while testing the release candidates, they might be available late Tuesday (depending on your time zone).
5.2.5, will accommodate 215 patches.
4.19.63, will have 113 patches.
4.14.135, will contain 293 patches.
Last edited by cwizardone; 07-30-2019 at 06:21 PM.
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4 members found this post helpful.
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07-31-2019, 01:54 AM
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#1478
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LQ Guru
Registered: Aug 2004
Location: Pisa, Italy
Distribution: Slackware
Posts: 7,247
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Quote:
Originally Posted by cwizardone
5.2.5, will accommodate 215 patches.
4.19.63, will have 113 patches.
4.14.135, will contain 293 patches.
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they're out and they actually fix a CVE, but fortunately it affects just the powerpc platform (doesn't apply here)... |
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3 members found this post helpful.
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07-31-2019, 08:56 AM
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#1479
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Member
Registered: Jun 2002
Location: Coal Township PA
Distribution: Slackware64-15.0
Posts: 790
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Quote:
Originally Posted by AlleyTrotter
Anyone seeing this on 5.2.0 and 5.2.1?
I am getting a syslog full of that error message when I try to write a backup of /home to an external USB-3.0 disk. The terminal running the command locks and only a press of the [reset] will reboot the system. The other terminals work as usual. The backup program has worked for probably ten years without fault and still works with any kernel before 5.2. So Helpme please.
Thanks
John
FOLLOWUP there is already a report on bugzilla by Anthony, nice to know I'm not alone.
EDIT-2 Alan Stern sent a patch to the mail list and it works fine for me on Slackware64-14.2 using kernel 5.2.1
EDIT -3 The patch is still required in 5.2.2
EDIT -4 The patch is still required in 5.2.3
EDIT -5 The patch is still required in 5.2.4
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The patch has been applied on 5.2.5 and works fine business.
Last edited by AlleyTrotter; 07-31-2019 at 03:57 PM.
Reason: correct spelling
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2 members found this post helpful.
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08-02-2019, 04:49 AM
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#1481
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LQ Veteran
Registered: Feb 2007
Distribution: Slackware64-current with KDE4Town.
Posts: 9,356
Original Poster
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As I said in a message above, the "Linux-Kernel Archive By Thread" hasn't been updated since Friday morning, 26 July 2019, at 01:23:51, EST.
http://lkml.iu.edu/hypermail/linux/kernel/
Here is what I've found so far this morning:
Another round of updates has been scheduled for release Sunday morning, GMT.
If no problems are found while testing the release candidates, they might be available sometime on Saturday (depending on your time zone).
5.2.6, will have 20 patches.
4.19.64, will contain 32 patches.
4.14.136, will have 25 patches.
4.9.187, will include 223 patches.
4.4.187, will incorporate 158 patches.
Last edited by cwizardone; 08-02-2019 at 05:29 AM.
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08-02-2019, 09:25 AM
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#1482
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Member
Registered: Nov 2009
Location: Gothenburg, Sweden
Distribution: Slackware
Posts: 946
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Quote:
Originally Posted by cwizardone
As I said in a message above, the "Linux-Kernel Archive By Thread" hasn't been updated since Friday morning, 26 July 2019, at 01:23:51, EST.
http://lkml.iu.edu/hypermail/linux/kernel/
Here is what I've found so far this morning:
Another round of updates has been scheduled for release Sunday morning, GMT.
If no problems are found while testing the release candidates, they might be available sometime on Saturday (depending on your time zone).
5.2.6, will have 20 patches.
4.19.64, will contain 32 patches.
4.14.136, will have 25 patches.
4.9.187, will include 223 patches.
4.4.187, will incorporate 158 patches. |
The Mail Archive seems to work at least:
https://www.mail-archive.com/linux-k...sg2068277.html
https://www.mail-archive.com/linux-k...sg2068291.html
https://www.mail-archive.com/linux-k...sg2068243.html
https://www.mail-archive.com/linux-k...sg2068045.html
https://www.mail-archive.com/linux-k...sg2067902.html
Last edited by mats_b_tegner; 08-02-2019 at 09:26 AM.
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1 members found this post helpful.
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08-02-2019, 07:20 PM
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#1483
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LQ Veteran
Registered: Feb 2007
Distribution: Slackware64-current with KDE4Town.
Posts: 9,356
Original Poster
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The "Linux-Kernel Archive By Thread" is back in operation.
http://lkml.iu.edu/hypermail/linux/kernel/
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1 members found this post helpful.
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08-04-2019, 10:25 AM
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#1484
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LQ Veteran
Registered: Feb 2007
Distribution: Slackware64-current with KDE4Town.
Posts: 9,356
Original Poster
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Last edited by cwizardone; 08-04-2019 at 10:32 AM.
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5 members found this post helpful.
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