** Changed in: glibc (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1915006
Title:
Consider merging 4.0-5 for Hirsute
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This bug was fixed in the package chrony - 4.0-5ubuntu2
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chrony (4.0-5ubuntu2) hirsute; urgency=medium
* d/p/lp-1915006-sys_linux-allow-statx-and-fstatat64-in-seccomp-filte.patch:
add compatibility for glibc 2.33 (LP: 1915006)
chrony (4.0-5ubuntu1) hirsute; urgency=medium
Repro in canonistack and locally were good and eventually also in
proposed-migration on a retry.
It now is ready, but entangled with glibc.
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This is haunted.
While working in former sniff tests and now the fix works.
I'm seeing a hang on armhf on another test now.
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
/autopkgtest-
hirsute/hirsute/armhf/c/chrony/20210215_234914_e1be6@/log.gz
My fix was upstream accepted and successfully tested in arm canonistack
instances.
Uploading that to Hirsute to not only make 4.0-5* pass but also to un-break it
with the new glibc.
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I have a fix that works in old glibc environments.
With those two I'm proposing that to upstream (and FYI the Debian maintainer).
Should pop up any minute at
https://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-dev/2021/02/threads.html
Once we have feedback on this (looking at other such
But it does not stop there, then I next hit:
0.003749 SYS_327(-100, 0xffdbcc3c, 0xffdbcb50, 0)
= -100 <0.000532>
0.000821 --- SIGSYS (Bad system call) ---
That is fstatat64
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chrony 4.0-2ubuntu1 @ glibc 2.32
/usr/sbin/chronyd -d -x -f /etc/chrony/chrony.conf -u root -F -1
2021-02-12T08:56:55Z chronyd version 4.0 starting (+CMDMON +NTP +REFCLOCK +RTC
+PRIVDROP +SCFILTER +SIGND +ASYNCDNS +NTS +SECHASH +IPV6 -DEBUG)
2021-02-12T08:56:55Z Wrong owner of /run/chrony (UID !=
The bug doesn't have a glibc task to fix it there, but to hold the glibc
transition until a fix is available otherwise we break this 21.04. Also
adding update-excuse as this is a failing dependent test of glibc.
** Tags added: update-excuse
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But if we go back libc6 2.33-0ubuntu2 => 2.32-0ubuntu6 and run the same it
works just fine.
So it is libc6 2.33 that introduces the breakage by adding another syscall that
is currently blocked.
Looking into past cases we won't change libc for this, but instead want
to add this as an allowed
Starting it without going to the background confirmed my assumption:
../../chronyd -d -x -f /root/chrony-4.0/test/system/tmp/chronyd.conf -u root -F
-1
2021-02-12T08:28:54Z chronyd version 4.0 starting (+CMDMON +NTP +REFCLOCK +RTC
+PRIVDROP +SCFILTER +SIGND +ASYNCDNS +NTS +SECHASH +IPV6 -DEBUG)
Debugging the testcase:
The test checks for filtering, which is compiled in:
"+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SIGND +ASYNCDNS +NTS +SECHASH
+IPV6 -DEBUG"
contains
"+SCFILTER"
Then it starts chrony, once with -F 1 and once with -F -1 which controls
the effect of the SCFilter.
Recreating this on canonistack arm64 host with armhf LXD container.
Building chrony locally and running the test reproduces the test.
It is good that I can re-create this already at build-time.
That makes it less complex to switch glibc between 2.32 and 2.33 and doing a
rebuild to check.
I
Hi Christian,
Could you please send the output of 'strace -o chrony_debug.txt --
chronyd -d -F -1'?
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Title:
Consider merging 4.0-5 for Hirsute
The merge and tests went mostly fine, except for one issue.
The test "run_system_tests" executes a subtest called "005-scfilter".
This one started to fail before the new upload.
[1]: contains a bunch of runs on the former 4.0-2ubuntu1 that failed the same
way.
With the new code it is the same,
MP:
https://code.launchpad.net/~paelzer/ubuntu/+source/chrony/+git/chrony/+merge/397790
Debian-MR: https://salsa.debian.org/debian/chrony/-/merge_requests/6
PPA: https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/4423/+packages
Uplaoded to Hirsute ...
** Merge proposal linked:
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