Bug#921266: The segfault Is defintely not caused by t-online, but linpone

[Alf]

Am 09.04.19 um 16:20 schrieb Jonas Smedegaard:
> Quoting Alf (2019-04-08 22:08:27)
>> I have done further tests and finally given up to get linphone working
>> as a SIP client here - the segfault on password enty is absolutely
>> reproducible.
>>
>> To solve this issue I have tried "twinkle" (another SIP client from
>> Buster-repo and that was set up within a few minutes.
>> Just entered the SIP and STUN servers and my credentials for my
>> t-online account - and all works as expected.
>>
>> This definitely confirms that it is not related to t-online, nor to
>> some missconfiguration of my system.
>>
>> Moreover such a segfault is caused by severe bugs in the application
>> itself. Again the syslog message:
>>
>> tux kernel: [ 4866.131680] linphone[6107]: segfault at 0 ip
>> 0000003153a8f37a sp 00007ffe572604c8 error 4 in
>> libc-2.24.so[3153a00000+194000]
>> Mar  3 18:17:33 tux kernel: [ 4866.131690] Code: 89 e6 5b 4c 89 ef 5d 41
>> 5c 41 5d e9 e0 49 ff ff 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d
>> c0 0f 00 00 0f 8f 78 02 00 00 <f3> 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66
>> 0f da c1 66 0f ef c9 66 0f
>>
>> of which the tail is always the same:
>> -------------------------------------
>> ... 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d c0 0f 00 00 0f 8f 78
>> 02 00 00 <f3> 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66 0f da c1 66 0f ef c9 66 0f
>>
>>  There is also no means to gather more info about the crash in libc6
>> besides the syslog entry. Linphone's debug output.
>> Even at highest level does not disclose anything valuable for me.
>>
>> So linphone 3.12 from Buster is buggy and absolutely unusable for me,
>> severity should be set back to 'serious' to reflect that.
>
> Above crash involves libc-2.24 which is not Buster, so it seems you test
> in some mixture of stable and testing system.
>
> Probably helpful to know which official Debian package repository you
> primarily use, and which packages deviate from that - in any way,
> including held packages and packages from deb-multimedia.org.
>
> Please also mention code included by other means than official Debian
> packages - e.g. self-compiled kernel, flatpak...
>
>
>  - Jonas
>

Sorry, don't know how that happened - shame on me.
Of course Buster has:
ii  libc6:amd64    2.28-8       amd64        GNU C Library: Shared libraries

Here the segfault message generated a few minutes ago in Buster.
You can see, also here the tail is identical

Apr  9 17:54:37 tux kernel: [  203.438238] linphonec[1581]: segfault at
0 ip 00007fd44a1ecc7a sp 00007ffcb9a79018 error 4 in
libc-2.28.so[7fd44a17e000+148000]
Apr  9 17:54:37 tux kernel: [  203.438248] Code: 0f b6 0e 0f b6 07 29 c8
c3 0f 1f 80 00 00 00 00 89 f8 31 d2 66 0f ef ff 09 f0 25 ff 0f 00 00 3d
c0 0f 00 00 0f 8f 78 02 00 00 <f3> 0f 6f 0f f3 0f 6f 06 66 0f 74 c1 66
0f da c1 66 0f ef c9 66 0f