** No longer affects: systemd (Ubuntu Xenial)
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Title:
systemd-resolved has issues when the answer is over 512 bytes with
EDNS disabled
To
** Changed in: systemd (Ubuntu Disco)
Status: Fix Committed => Fix Released
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Title:
systemd-resolved has issues when the answer is over
This bug was fixed in the package systemd - 239-7ubuntu10.7
---
systemd (239-7ubuntu10.7) cosmic; urgency=medium
* d/p/resolve-enable-EDNS0-towards-the-127.0.0.53-stub-res.patch
getaddrinfo() failures when fallback to dns tcp queries, so enable
edns0 in resolv.conf (LP:
This bug was fixed in the package systemd - 237-3ubuntu10.12
---
systemd (237-3ubuntu10.12) bionic; urgency=medium
* d/p/resolve-enable-EDNS0-towards-the-127.0.0.53-stub-res.patch
getaddrinfo() failures when fallback to dns tcp queries, so enable
edns0 in resolv.conf (LP:
For autopkgtest regression failure analysis/justification, please see
bug 1811471 (since this sru contains patches for this and that bug)
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Title:
Bionic verified too
ii systemd 237-3ubuntu10.12
amd64system and service manager
$ dig +noall +answer testing.irongiantdesign.com @127.0.0.53 | wc -l
30
$ dig +noall +answer +noedns testing.irongiantdesign.com @127.0.0.53 | wc -l
30
**
Cosmic Verified
ii systemd 239-7ubuntu10.7 amd64
system and service manager
#EDNS query
$ dig +noall +answer testing.irongiantdesign.com @127.0.0.53 | wc -l
30
#No EDNS query falling back to TCP
$ dig +noall +answer +noedns
Hello Victor, or anyone else affected,
Accepted systemd into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/systemd/237-3ubuntu10.12 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
Hello Victor, or anyone else affected,
Accepted systemd into cosmic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/systemd/239-7ubuntu10.7 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
** Changed in: systemd (Ubuntu Disco)
Status: Fix Released => Fix Committed
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Title:
systemd-resolved has issues when the answer is over
** Changed in: systemd (Ubuntu Cosmic)
Status: Fix Committed => In Progress
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Title:
systemd-resolved has issues when the answer is over
Looks like the recent systemd security CVE bumped this.
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Title:
systemd-resolved has issues when the answer is over 512 bytes with
EDNS
** Merge proposal linked:
https://code.launchpad.net/~juliank/ubuntu/+source/systemd/+git/systemd/+merge/360989
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Title:
systemd-resolved has
< @vtapia, did you also test if 'ping' and/or 'telnet' DNS resolution
was fixed as well?
to follow up - that is a separate bug. this fix does indeed fix the
eDNS bug in systemd. I'll open a new bug.
** Tags removed: verification-needed
** Tags added: verification-done
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You received this
This bug was fixed in the package systemd - 239-7ubuntu15
---
systemd (239-7ubuntu15) disco; urgency=medium
* core: set /run size to 10%, like initramfs-tools does.
Currently there is a difference between initrd and initrd-less boots,
w.r.t. size= mount option of /run. This
@vtapia, did you also test if 'ping' and/or 'telnet' DNS resolution was
fixed as well? i.e. currently:
ubuntu@lp1804487:~$ ping testing.irongiantdesign.com
ping: testing.irongiantdesign.com: Temporary failure in name resolution
ubuntu@lp1804487:~$ telnet testing.irongiantdesign.com
telnet: could
Cosmic verifing
# Before the fix
ii systemd 239-7ubuntu10 amd64 system and service manager
#EDNS query
$ dig +noall +answer testing.irongiantdesign.com @127.0.0.53 | wc -l
30
#No EDNS query falling back to TCP
$ dig +noall +answer +noedns testing.irongiantdesign.com @127.0.0.53 | wc -l
29
#No
Hello Victor, or anyone else affected,
Accepted systemd into cosmic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/systemd/239-7ubuntu10.5 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
## VERIFICATION DISCO
- Before the fix:
ubuntu@disco:~$ dpkg -l | grep "ii systemd "
ii systemd 239-7ubuntu10 amd64
system and service manager
#EDNS query
ubuntu@disco:~$ dig +noall +answer testing.irongiantdesign.com @127.0.0.53 | wc
-l
** Changed in: systemd (Ubuntu Disco)
Status: In Progress => Fix Committed
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Title:
systemd-resolved has issues when the answer is over
** Changed in: systemd (Debian)
Status: Fix Committed => Fix Released
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Title:
systemd-resolved has issues when the answer is over 512
** Changed in: systemd (Debian)
Status: Unknown => Fix Committed
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Title:
systemd-resolved has issues when the answer is over 512 bytes
** Changed in: systemd
Status: Unknown => Fix Released
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Title:
systemd-resolved has issues when the answer is over 512 bytes with
EDNS
** Bug watch added: Debian Bug tracker #915049
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=915049
** Also affects: systemd (Debian) via
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=915049
Importance: Unknown
Status: Unknown
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** Bug watch added: github.com/systemd/systemd/issues #10816
https://github.com/systemd/systemd/issues/10816
** Also affects: systemd via
https://github.com/systemd/systemd/issues/10816
Importance: Unknown
Status: Unknown
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The attachment "systemd-TCP-size-bionic.debdiff" seems to be a debdiff.
The ubuntu-sponsors team has been subscribed to the bug report so that
they can review and hopefully sponsor the debdiff. If the attachment
isn't a patch, please remove the "patch" flag from the attachment,
remove the "patch"
** Also affects: systemd (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: systemd (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: systemd (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: systemd (Ubuntu Xenial)
** Description changed:
+ [Impact]
+
+ TCP stub is cutting down the payload to 512 bytes when EDNS is disabled.
+ This makes non-EDNS clients (nslookup) receive a "shortened" answer even
+ when UDP returns a truncated reply for a new TCP query. For instance,
+
+ - If the client supports EDNS:
+
** Patch added: "systemd-TCP-size-cosmic.debdiff"
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1804487/+attachment/5217390/+files/systemd-TCP-size-cosmic.debdiff
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** Patch added: "systemd-TCP-size-disco.debdiff"
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1804487/+attachment/5217391/+files/systemd-TCP-size-disco.debdiff
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** Patch added: "systemd-TCP-size-bionic.debdiff"
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1804487/+attachment/5217389/+files/systemd-TCP-size-bionic.debdiff
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** Also affects: systemd (Ubuntu Disco)
Importance: Undecided
Status: New
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Title:
systemd-resolved has issues when the answer is over
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