This bug was fixed in the package freeipmi - 1.6.4-3ubuntu1.1
---
freeipmi (1.6.4-3ubuntu1.1) focal; urgency=medium
* d/p/lp-1875771-libfreeipmi-fix-segfault-in-SPMI-parsing.patch: fix
crash on Dell iDRAC6/9 (LP: #1875771)
-- Christian Ehrhardt Mon, 07 Sep
2020 09:02:06 +020
Pre:
ii freeipmi-common 1.6.4-3ubuntu1 all GNU implementation of the IPMI
protocol - common files
ii freeipmi-tools 1.6.4-3ubuntu1 amd64GNU implementation of the IPMI
protocol - tools
ii libfreeipmi17 1.6.4-3ubuntu1 amd64GNU IPMI - libraries
ii libipmiconsole2 1.6.
Hello Jeff, or anyone else affected,
Accepted freeipmi into focal-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/freeipmi/1.6.4-3ubuntu1.1 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://
** Description changed:
- Ran ipmi-locate on a system running Focal. ipmi-locate returns the info
- I expect to see, and then segfaults (no core dump that I'm aware of).
+ [Impact]
+
+ * A variable was badly initialized leading to a 0x0 pointer that was
+accessed and segfaulting the progra
** Merge proposal linked:
https://code.launchpad.net/~paelzer/ubuntu/+source/freeipmi/+git/freeipmi/+merge/390350
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Title:
ipmi_locate segfaul
Upstream as
commit 7afb97681d5ccdc237891a8d2a3ec1c994958dd0
Author: Christian Ehrhardt
Date: Thu Sep 3 03:48:57 2020 -0700
libfreeipmi: fix segfault in SPMI parsing
on branch:
upstream/freeipmi-1-6-0-stable
Prepping this for Focal
=> https://launchpad.net/~ci-train-ppa-service/+archive/u
This bug was fixed in the package freeipmi - 1.6.4-3ubuntu2
---
freeipmi (1.6.4-3ubuntu2) groovy; urgency=medium
* d/p/lp-1875771-libfreeipmi-fix-segfault-in-SPMI-parsing.patch: fix
crash on Dell iDRAC6/9 (LP: #1875771
-- Christian Ehrhardt Thu, 03 Sep
2020 09:25:11 +0200
*
Jeff, thanks for testing that, and yeah that confirms the line in
question is in error.
Christian, good work on the additional archaeology which reveals how
this error originated, and on the packaging to get this into the distro.
Removing the bad line seems like the good fix/workaround for this
p
** Merge proposal linked:
https://code.launchpad.net/~paelzer/ubuntu/+source/freeipmi/+git/freeipmi/+merge/390219
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Title:
ipmi_locate segfaul
Now that we have the root cause and also explain why we see it now and not in
the past I have prepped this as a fix and submitted it:
https://lists.gnu.org/archive/html/freeipmi-devel/2020-09/msg1.html
Let us see what the response there is and then consider applying the fix
in Focal and Groov
Way back it seems it set this to zero for a reason.
http://git.savannah.gnu.org/cgit/freeipmi.git/commit/?id=68ed819225bdb529f34baca74e499a9645da5197
acpi_table was a global vaiable before and the predecessor of
"_ipmi_acpi_get_table" called "ipmi_acpi_get_table" was called with an &
operator.
On Wed, Sep 2, 2020 at 1:20 PM Bryce Harrington
<1875...@bugs.launchpad.net> wrote:
> If it was, that seems redundant with line 1308 so still seems odd. In
> any case, setting acpi_table = NULL and then passing that to
> _ipmi_acpi_get_table() seems very suspect. It might be interesting to
> see
1260: static int
1261: _ipmi_acpi_get_table_dev_mem (ipmi_locate_ctx_t ctx,
1262: char *signature,
1263: unsigned int table_instance,
1264: uint8_t **acpi_table,
1265: uint32_t *acpi_
Marking as "confirmed" as it sounds as if Christian & Jeff are homing in
on the root cause.
** Changed in: freeipmi (Ubuntu)
Status: Incomplete => Confirmed
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Yeah, there is no /sys/firmware/acpi/tables/SPMI* at all on that system.
So the difference must be in the code that makes it reach that path with the
Focal code but not on Bionic.
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https:
Thanks Jeff!
Fail at _ipmi_acpi_get_table
1031: *acpi_table = NULL;
At this time we see acpi_table=0x0
So dereference 0x0 and segfault.
Now how far up does this crash have data...
_ipmi_acpi_get_firmware_table does
1485 uint8_t *acpi_table = NULL;
...
1498 if ((_ipmi_acpi_get_table_sysfs
ahhh thanks.
Here's a text dump of that adding --rebuild-package-info.
On Tue, Sep 1, 2020 at 11:10 AM Christian Ehrhardt
<1875...@bugs.launchpad.net> wrote:
>
> Just add --rebuild-package-info and it will add the Package data
>
> --
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Just add --rebuild-package-info and it will add the Package data
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Title:
ipmi_locate segfault on Focal (Dell iDRAC6/9)
To manage notifications a
And here's the crash file for ipmi-locate on the older iDRAC6 machine w/
Focal...
Note, apport-retrace errors out saying:
# apport-retrace /var/crash/_usr_sbin_ipmi-locate.0.crash --stdout
ERROR: report file does not contain one of the required fields: Package
** Attachment added: "_usr_sbin_ipm
Sorry about that... I had the debug for freeipmi-tools installed, but
not for libfreeipmi17. Corrected and here's the gdb trace.
This is for 1.6.4 on Focal on an older Dell w/ iDRAC6
** Attachment added: "gdb-ipmi-locate.txt"
https://bugs.launchpad.net/ubuntu/+source/freeipmi/+bug/1875771/+a
The log has no line numbers in most places.
So I guess we need debug packages.
I've looked at the bit we see, the call from ipmi-locate.c:283 is the
same in Bionic and Focal.
275 static void
276 acpi_probe_display (ipmi_locate
One further comment, this was discovered while trying to do
certification at the Dell labs in Austin. So unfortunately, I don't
know that we have any avenue to involve them, but we can poke our
contacts in the Dell testing team to see if they can assist further.
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Here's the gdb log from version 1.6.4 on groovy on the older iDRAC6
system. I'm waiting on Michael to get the same from the newer iDRAC9
system.
** Attachment added: "gdb-freeipmi-tools-1.6.4.txt"
https://bugs.launchpad.net/ubuntu/+source/freeipmi/+bug/1875771/+attachment/5406202/+files/gdb-
** Summary changed:
- ipmi_locate segfault on Focal
+ ipmi_locate segfault on Focal (Dell iDRAC6/9)
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Title:
ipmi_locate segfault on Focal (Dell
I confirmed Paride's finding that it neither reproduces on my own
hardware nor are forum/blog/google searches turn up anything useful.
Bug #1893136 does indeed appear to be a dupe to this bug (once confirmed
by the reporter it can be set as a dupe of this).
Given that the affected systems appear t
Bah... I was going to let this just die, because the only thing we could
ever reproduce it on were old iDRAC6 systems.
But now, according to this bug: #1893136 it appears that this is also
segfaulting on some very new Dell systems with iDRAC9, so we definitely
will need to get this issue resolved.
[Expired for freeipmi (Ubuntu) because there has been no activity for 60
days.]
** Changed in: freeipmi (Ubuntu)
Status: Incomplete => Expired
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I wonder how common those systems would be for the overall Ubuntu users?
Might be important for the priority.
Is there any chance you could report upstream to see if they are aware
(or even intentional drop of something).
And on the other side is there a way to easily get a login to a system -
no
** Tags removed: server-triage-discuss
** Changed in: freeipmi (Ubuntu)
Importance: Undecided => Medium
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Title:
ipmi_locate segfault on Focal
Hi Jeff,
Interesting, thanks for the digging. I did search on the relevant bug
trackers and mailing lists I could think of but couldn't find any
similar bug report. I think this will require some debugging on an
affected machine. To start with I'd try to find out which version of the
freeipmi Ubun
Hi Paride...
I did some additional testing and so far I have started seeing a
pattern. The failing systems (the segfaulting ones) are all Dells with
iDRAC6 (they're older Dells, 11G). I have one newer Dell system and it
did not segfault. I also ran on HP, Supermicro, Quanta and Lenovo
systems w
Hi Jeff,
No objection ipmi-locate shouldn't crash, so we have almost certainly
have a bug here, however I couldn't reproduce the crash on a couple of
Focal machines where I tried. Is there anything relevant you can think
of which may play a role in the crash?
There is no Debian bug on this failur
The issue appears to be with the version of freeipmi-tools in Focal.
I installed version 1.4.11 from Bionic on the Focal machine and ipmi-locate
does not segfault:
ubuntu@mayapple:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 2
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