* [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails
@ 2014-09-03 17:09 bugzilla at busybox.net
2014-09-03 18:02 ` [Buildroot] [Bug 7364] " bugzilla at busybox.net
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0 siblings, 13 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-03 17:09 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
Summary: monit doesn't start with glibc 2.19 because geteuid()
fails
Product: buildroot
Version: 2014.08
Platform: PC
OS/Version: Linux
Status: NEW
Severity: minor
Priority: P5
Component: Other
AssignedTo: unassigned at buildroot.uclibc.org
ReportedBy: syntheticpp at gmx.net
CC: buildroot at uclibc.org
Estimated Hours: 0.0
monit exits in src/env.c:
struct passwd *pw;
/* Get password struct */
if ( ! (pw= getpwuid(geteuid())) ) {
LogError("%s: You don't exist. Go away.\n", prog);
exit(1);
}
Only happens with glibc and eglibc 2.19 (tested with GCC 4.9.1), 2.18 is fine.
GCC warns while linking:
y.tab.c:(.text+0x379c): warning: Using 'getpwuid' in statically linked
applications requires at runtime the shared libraries from the glibc version
used for linking
Somehow libnss related?
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* [Buildroot] [Bug 7364] monit doesn't start with glibc 2.19 because geteuid() fails
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
@ 2014-09-03 18:02 ` bugzilla at busybox.net
2014-09-03 18:57 ` bugzilla at busybox.net
` (11 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-03 18:02 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
--- Comment #1 from syntheticpp at gmx.net 2014-09-03 18:02:48 UTC ---
Logging in via ssh is delayed, looks like it runs into a timeout.
(strace shows that a select() on the client IP is paused)
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* [Buildroot] [Bug 7364] monit doesn't start with glibc 2.19 because geteuid() fails
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
2014-09-03 18:02 ` [Buildroot] [Bug 7364] " bugzilla at busybox.net
@ 2014-09-03 18:57 ` bugzilla at busybox.net
2014-09-04 12:22 ` bugzilla at busybox.net
` (10 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-03 18:57 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
Yann E. MORIN <yann.morin.1998@free.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |yann.morin.1998 at free.fr
--- Comment #2 from Yann E. MORIN <yann.morin.1998@free.fr> 2014-09-03 18:57:16 UTC ---
Normally, static linking with glibc is not possible, just because of
this issue: all that has to deal with names (usernames, groups,
hostnames...) need dynamic linking, becasue glibc uses libnss, which
dlopen()s the backend libraries, such as libnss_files.so.
How did you manage to have a statically-linked monit when using a
glibc toolchain? Care to share your .config, please?
Regards,
Yann E. MORIN.
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* [Buildroot] [Bug 7364] monit doesn't start with glibc 2.19 because geteuid() fails
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
2014-09-03 18:02 ` [Buildroot] [Bug 7364] " bugzilla at busybox.net
2014-09-03 18:57 ` bugzilla at busybox.net
@ 2014-09-04 12:22 ` bugzilla at busybox.net
2014-09-04 12:27 ` bugzilla at busybox.net
` (9 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-04 12:22 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
--- Comment #3 from syntheticpp at gmx.net 2014-09-04 12:22:51 UTC ---
>
> How did you manage to have a statically-linked monit when using a
> glibc toolchain? Care to share your .config, please?
>
It's the configuration of 2014.08 no changes by me.
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* [Buildroot] [Bug 7364] monit doesn't start with glibc 2.19 because geteuid() fails
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
` (2 preceding siblings ...)
2014-09-04 12:22 ` bugzilla at busybox.net
@ 2014-09-04 12:27 ` bugzilla at busybox.net
2014-09-04 15:52 ` bugzilla at busybox.net
` (8 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-04 12:27 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
--- Comment #4 from syntheticpp at gmx.net 2014-09-04 12:27:59 UTC ---
>
> GCC warns while linking:
> y.tab.c:(.text+0x379c): warning: Using 'getpwuid' in statically linked
> applications requires at runtime the shared libraries from the glibc version
> used for linking
This warning also shows up in the build which works (eglibc 2.18)
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* [Buildroot] [Bug 7364] monit doesn't start with glibc 2.19 because geteuid() fails
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
` (3 preceding siblings ...)
2014-09-04 12:27 ` bugzilla at busybox.net
@ 2014-09-04 15:52 ` bugzilla at busybox.net
2014-09-05 8:43 ` bugzilla at busybox.net
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From: bugzilla at busybox.net @ 2014-09-04 15:52 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
--- Comment #5 from Yann E. MORIN <yann.morin.1998@free.fr> 2014-09-04 15:52:07 UTC ---
> It's the configuration of 2014.08 no changes by me.
Sorry, this does not make sense:
- there is no default configuration in Buildroot;
- the default C library is uClibc, not glibc/eglibc.
So, yes, you did some configuration.
Please provide your .config file.
Regards,
Yann E. MORIN.
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* [Buildroot] [Bug 7364] monit doesn't start with glibc 2.19 because geteuid() fails
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
` (4 preceding siblings ...)
2014-09-04 15:52 ` bugzilla at busybox.net
@ 2014-09-05 8:43 ` bugzilla at busybox.net
2014-09-05 8:44 ` bugzilla at busybox.net
` (6 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-05 8:43 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
--- Comment #6 from syntheticpp at gmx.net 2014-09-05 08:43:42 UTC ---
Created attachment 5588
--> https://bugs.busybox.net/attachment.cgi?id=5588
defconfig
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* [Buildroot] [Bug 7364] monit doesn't start with glibc 2.19 because geteuid() fails
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
` (5 preceding siblings ...)
2014-09-05 8:43 ` bugzilla at busybox.net
@ 2014-09-05 8:44 ` bugzilla at busybox.net
2014-09-05 10:26 ` bugzilla at busybox.net
` (5 subsequent siblings)
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From: bugzilla at busybox.net @ 2014-09-05 8:44 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
--- Comment #7 from syntheticpp at gmx.net 2014-09-05 08:44:35 UTC ---
Created attachment 5594
--> https://bugs.busybox.net/attachment.cgi?id=5594
generated .config
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* [Buildroot] [Bug 7364] monit doesn't start with glibc 2.19 because geteuid() fails
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
` (6 preceding siblings ...)
2014-09-05 8:44 ` bugzilla at busybox.net
@ 2014-09-05 10:26 ` bugzilla at busybox.net
2014-09-05 10:27 ` [Buildroot] [Bug 7364] monit builds a static application, even though BR2_PREFER_STATIC_LIB is not set, and with glibc bugzilla at busybox.net
` (4 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-05 10:26 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
--- Comment #8 from Yann E. MORIN <yann.morin.1998@free.fr> 2014-09-05 10:26:22 UTC ---
Indeed, the build warns about the use os the NSS functions in statically linked
applications.
However, this is only a warning, and not a build failure.
monit should not build a static application to start with. Changing the subject
to reflect the real issue.
Regards,
Yann E. MORIN.
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* [Buildroot] [Bug 7364] monit builds a static application, even though BR2_PREFER_STATIC_LIB is not set, and with glibc.
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
` (7 preceding siblings ...)
2014-09-05 10:26 ` bugzilla at busybox.net
@ 2014-09-05 10:27 ` bugzilla at busybox.net
2014-09-05 10:30 ` bugzilla at busybox.net
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From: bugzilla at busybox.net @ 2014-09-05 10:27 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
Yann E. MORIN <yann.morin.1998@free.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|monit doesn't start with |monit builds a static
|glibc 2.19 because |application, even though
|geteuid() fails |BR2_PREFER_STATIC_LIB is
| |not set, and with glibc.
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* [Buildroot] [Bug 7364] monit builds a static application, even though BR2_PREFER_STATIC_LIB is not set, and with glibc.
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
` (8 preceding siblings ...)
2014-09-05 10:27 ` [Buildroot] [Bug 7364] monit builds a static application, even though BR2_PREFER_STATIC_LIB is not set, and with glibc bugzilla at busybox.net
@ 2014-09-05 10:30 ` bugzilla at busybox.net
2014-09-05 11:18 ` bugzilla at busybox.net
` (2 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-05 10:30 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
--- Comment #9 from Yann E. MORIN <yann.morin.1998@free.fr> 2014-09-05 10:30:26 UTC ---
When the C library is glibc/eglibc, we copy those files to the target:
LIB_EXTERNAL_LIBS+=libnss_files.so.* libnss_dns.so.*
Can you confirm those files are present in your target?
Regarding the delay to login: what is your authentication method? Maybe there
are a few other libnss files tht should be copied over...
Regards,
Yann E. MORIN.
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* [Buildroot] [Bug 7364] monit builds a static application, even though BR2_PREFER_STATIC_LIB is not set, and with glibc.
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
` (9 preceding siblings ...)
2014-09-05 10:30 ` bugzilla at busybox.net
@ 2014-09-05 11:18 ` bugzilla at busybox.net
2014-09-05 12:38 ` bugzilla at busybox.net
2014-09-06 21:48 ` bugzilla at busybox.net
12 siblings, 0 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-05 11:18 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
--- Comment #10 from Yann E. MORIN <yann.morin.1998@free.fr> 2014-09-05 11:18:45 UTC ---
I have a patch I'm currently testing...
Regards,
Yann E. MORIN.
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* [Buildroot] [Bug 7364] monit builds a static application, even though BR2_PREFER_STATIC_LIB is not set, and with glibc.
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
` (10 preceding siblings ...)
2014-09-05 11:18 ` bugzilla at busybox.net
@ 2014-09-05 12:38 ` bugzilla at busybox.net
2014-09-06 21:48 ` bugzilla at busybox.net
12 siblings, 0 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-05 12:38 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
--- Comment #11 from syntheticpp at gmx.net 2014-09-05 12:38:10 UTC ---
(In reply to comment #9)
> When the C library is glibc/eglibc, we copy those files to the target:
> LIB_EXTERNAL_LIBS+=libnss_files.so.* libnss_dns.so.*
>
> Can you confirm those files are present in your target?
Yes, they are.
>
> Regarding the delay to login: what is your authentication method? Maybe there
> are a few other libnss files tht should be copied over...
In meantime I saw it also with the other build, so not related to this bug
here.
>
> Regards,
> Yann E. MORIN.
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* [Buildroot] [Bug 7364] monit builds a static application, even though BR2_PREFER_STATIC_LIB is not set, and with glibc.
2014-09-03 17:09 [Buildroot] [Bug 7364] New: monit doesn't start with glibc 2.19 because geteuid() fails bugzilla at busybox.net
` (11 preceding siblings ...)
2014-09-05 12:38 ` bugzilla at busybox.net
@ 2014-09-06 21:48 ` bugzilla at busybox.net
12 siblings, 0 replies; 14+ messages in thread
From: bugzilla at busybox.net @ 2014-09-06 21:48 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=7364
Yann E. MORIN <yann.morin.1998@free.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #12 from Yann E. MORIN <yann.morin.1998@free.fr> 2014-09-06 21:48:40 UTC ---
Hello!
We believe this isuue has now been fixed with this changeset:
http://git.buildroot.org/buildroot/commit/?id=03f388619a4dfa2835774702a54504b56e2e00e0
I'm closing the issue now. If you believe this does not fix your
problem, be sure to re-open this issue for further investigations.
Thank you for the report! :-)
Regards,
Yann E. MORIN.
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