[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Luca Ceresoli]

---
 package/netsnmp/netsnmp.mk |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/package/netsnmp/netsnmp.mk b/package/netsnmp/netsnmp.mk
index 5d789b9..959e39f 100644
--- a/package/netsnmp/netsnmp.mk
+++ b/package/netsnmp/netsnmp.mk
@@ -4,7 +4,7 @@
 #
 #############################################################
 
-NETSNMP_VERSION = 5.6.1.1
+NETSNMP_VERSION = 5.7.1
 NETSNMP_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/net-snmp
 NETSNMP_SOURCE = net-snmp-$(NETSNMP_VERSION).tar.gz
 NETSNMP_INSTALL_STAGING = YES
-- 
1.7.5.4

[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Gustavo Zacarias]

On 06.12.2011 06:43, Luca Ceresoli wrote:

> -NETSNMP_VERSION = 5.6.1.1
> +NETSNMP_VERSION = 5.7.1
>  NETSNMP_SITE =
> 
> http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/net-snmp
>  NETSNMP_SOURCE = net-snmp-$(NETSNMP_VERSION).tar.gz
>  NETSNMP_INSTALL_STAGING = YES

NAK.
The 5.7 series (up to 5.7.1) fails miserably with a segfault on 
powerpc.
Regards.

[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Peter Korsgaard]

>>>>> "Luca" == Luca Ceresoli <luca@lucaceresoli.net> writes:

 Luca> ---
 Luca>  package/netsnmp/netsnmp.mk |    2 +-
 Luca>  1 files changed, 1 insertions(+), 1 deletions(-)

Committed, thanks.

-- 
Bye, Peter Korsgaard

[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Peter Korsgaard]

>>>>> "Gustavo" == Gustavo Zacarias <gustavo@zacarias.com.ar> writes:

 Gustavo> On 06.12.2011 06:43, Luca Ceresoli wrote:
 >> -NETSNMP_VERSION = 5.6.1.1
 >> +NETSNMP_VERSION = 5.7.1
 >> NETSNMP_SITE =
 >> 
 >> http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/net-snmp
 >> NETSNMP_SOURCE = net-snmp-$(NETSNMP_VERSION).tar.gz
 >> NETSNMP_INSTALL_STAGING = YES

 Gustavo> NAK.
 Gustavo> The 5.7 series (up to 5.7.1) fails miserably with a segfault on
 Gustavo> powerpc.

Uhh, that's bad. Any idea what's causing it?

I already committed the bump. I'll revert again if we cannot fix it.

-- 
Bye, Peter Korsgaard

[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Luca Ceresoli]

Gustavo Zacarias wrote:
> On 06.12.2011 06:43, Luca Ceresoli wrote:
>
>> -NETSNMP_VERSION = 5.6.1.1
>> +NETSNMP_VERSION = 5.7.1
>> NETSNMP_SITE =
>>
>> http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/net-snmp
>> NETSNMP_SOURCE = net-snmp-$(NETSNMP_VERSION).tar.gz
>> NETSNMP_INSTALL_STAGING = YES
>
> NAK.
> The 5.7 series (up to 5.7.1) fails miserably with a segfault on powerpc.

Thanks for your information.

Did you report this to the net-snmp mailing list to get help and, 
hopefully, a fix?
It's disappointing that all buildroot users must stick to an old
version of a package because it's not working in some configurations.

Luca

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[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Gustavo Zacarias]

On 06.12.2011 08:11, Luca Ceresoli wrote:

>> NAK.
>> The 5.7 series (up to 5.7.1) fails miserably with a segfault on 
>> powerpc.
>
> Thanks for your information.
>
> Did you report this to the net-snmp mailing list to get help and,
> hopefully, a fix?
> It's disappointing that all buildroot users must stick to an old
> version of a package because it's not working in some configurations.
>
> Luca

Not yet, i need a meaningful trace rather than just pointing fingers.
I'll try to give it some time today but no promises, i'm pretty 
stretched lately.
Regards.

[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Gustavo Zacarias]

On 06.12.2011 08:11, Luca Ceresoli wrote:

>> NAK.
>> The 5.7 series (up to 5.7.1) fails miserably with a segfault on 
>> powerpc.
>
> Thanks for your information.
>
> Did you report this to the net-snmp mailing list to get help and,
> hopefully, a fix?
> It's disappointing that all buildroot users must stick to an old
> version of a package because it's not working in some configurations.
>
> Luca

Digging up found that bad mojo with closedir() and uclibc was to blame.
It's already been reported and a patch available at 
http://sourceforge.net/tracker/?func=detail&aid=3436528&group_id=12694&atid=312694
Tested working so add up the patch, respin and we're good to go.
Regards.

[Buildroot] [PATCH v2] netsnmp: bump to 5.7.1 LTS

[Luca Ceresoli]

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
---
Changed in v2:
 - added patch to fix crash on uClibc. Thanks Gustavo Zacarias for reporting,
   with request to test it as I do not have a target where I can reproduce the
   problem.

PS: Peter, I wonder if Gustavo should have a SoB line on this patch, since he
did a significant part of the work. If it is the case, is it something
that I should have done, or is this your role as a maintainer? Thanks.

 package/netsnmp/netsnmp-swinst-crash.patch |   17 +++++++++++++++++
 package/netsnmp/netsnmp.mk                 |    2 +-
 2 files changed, 18 insertions(+), 1 deletions(-)
 create mode 100644 package/netsnmp/netsnmp-swinst-crash.patch

diff --git a/package/netsnmp/netsnmp-swinst-crash.patch b/package/netsnmp/netsnmp-swinst-crash.patch
new file mode 100644
index 0000000..f7298a6
--- /dev/null
+++ b/package/netsnmp/netsnmp-swinst-crash.patch
@@ -0,0 +1,17 @@
+Fixes runtime error with uClibc (and possibly others).
+
+Original patch and bug description:
+http://sourceforge.net/tracker/?func=detail&aid=3436528&group_id=12694&atid=312694
+
+--- net-snmp-5.7.1/agent/mibgroup/host/data_access/swinst_pkginfo.c
++++ /home/fabled//net-snmp-5.7.1.patched/agent/mibgroup/host/data_access/swinst_pkginfo.c
+@@ -140,7 +140,8 @@
+         memcpy( entry->swDate, cp, date_len );
+         entry->swDate_len = date_len;
+     }
+-    closedir( d );
++    if (d != NULL)
++        closedir( d );
+ 
+     DEBUGMSGTL(("swinst:load:arch"," loaded %d entries\n",
+                 (int)CONTAINER_SIZE(container)));
diff --git a/package/netsnmp/netsnmp.mk b/package/netsnmp/netsnmp.mk
index 5d789b9..959e39f 100644
--- a/package/netsnmp/netsnmp.mk
+++ b/package/netsnmp/netsnmp.mk
@@ -4,7 +4,7 @@
 #
 #############################################################
 
-NETSNMP_VERSION = 5.6.1.1
+NETSNMP_VERSION = 5.7.1
 NETSNMP_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/net-snmp
 NETSNMP_SOURCE = net-snmp-$(NETSNMP_VERSION).tar.gz
 NETSNMP_INSTALL_STAGING = YES
-- 
1.7.5.4

[Buildroot] [PATCH v2] netsnmp: bump to 5.7.1 LTS

[Gustavo Zacarias]

On 06.12.2011 13:50, Luca Ceresoli wrote:

> Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>

> PS: Peter, I wonder if Gustavo should have a SoB line on this patch, 
> since he
> did a significant part of the work. If it is the case, is it 
> something
> that I should have done, or is this your role as a maintainer? 
> Thanks.

It's actually something i should do as above :)
Thanks!

[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Peter Korsgaard]

>>>>> "Gustavo" == Gustavo Zacarias <gustavo@zacarias.com.ar> writes:

Hi,

 Gustavo> Digging up found that bad mojo with closedir() and uclibc was
 Gustavo> to blame.  It's already been reported and a patch available at
 Gustavo> http://sourceforge.net/tracker/?func=detail&aid=3436528&group_id=12694&atid=312694
 Gustavo> Tested working so add up the patch, respin and we're good to
 Gustavo> go.  Regards.

Thanks, but I don't think that's the culprint as closedir() in uClibc
checks for NULL pointers (and have done so for 10 years).

int closedir(DIR * dir)
{
        int fd;

        if (!dir) {
                __set_errno(EBADF);
                return -1;
        }

        ..
}

-- 
Bye, Peter Korsgaard

[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Gustavo Zacarias]

On 06.12.2011 15:09, Peter Korsgaard wrote:

> Thanks, but I don't think that's the culprint as closedir() in uClibc
> checks for NULL pointers (and have done so for 10 years).
>
> int closedir(DIR * dir)
> {
>         int fd;
>
>         if (!dir) {
>                 __set_errno(EBADF);
>                 return -1;
>         }
>
>         ..
> }

Simple testcase for my failure:
Run snmpd with a basic config and run a snmpwalk against localhost 
"snmpwalk -v 1 -c something localhost".
The snmpd daemon will die before the walk is done.
Rebuilding net-snmp with the patch fixes it.
And a gdb backtrace points at closedir() exactly.
Powerpc e300c3 target with latest gcc/binutils and uclibc 0.9.32.
Regards.

[Buildroot] [PATCH] netsnmp: bump to 5.7.1 LTS

[Peter Korsgaard]

>>>>> "Gustavo" == Gustavo Zacarias <gustavo@zacarias.com.ar> writes:

Hi,

 Gustavo> Simple testcase for my failure:
 Gustavo> Run snmpd with a basic config and run a snmpwalk against localhost
 Gustavo> "snmpwalk -v 1 -c something localhost".
 Gustavo> The snmpd daemon will die before the walk is done.
 Gustavo> Rebuilding net-snmp with the patch fixes it.
 Gustavo> And a gdb backtrace points at closedir() exactly.
 Gustavo> Powerpc e300c3 target with latest gcc/binutils and uclibc 0.9.32.

Sorry, I missed the fact that include/dirent.h annotates closedir() with
__attribute__((nonnull)), which probably makes GCC drop the redundant if
(!dir) check.

I don't see any specific requirement in susv3 that it should handle NULL
pointers, so the patch seems OK:

http://www.bcs.zp.ua/manuals/en/susv3/functions/closedir.html

-- 
Bye, Peter Korsgaard

[Buildroot] [PATCH v2] netsnmp: bump to 5.7.1 LTS

[Peter Korsgaard]

>>>>> "Luca" == Luca Ceresoli <luca@lucaceresoli.net> writes:

 Luca> Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>

Committed, thanks.

-- 
Bye, Peter Korsgaard