Seg Fault rdesktop
Stückenschneider, Björn <[email protected]> Mon, 10 Nov 2014 16:14:34 +0000
| Newsgroups | gmane.network.rdesktop.user |
|---|---|
| Message-ID | <7B3EAA5BF866314D87EDD774D504F99F1323C1A4@vsrv-os01-mail2.buw.local> |
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Hi,
I just stumpled on a seg fault while trying to use rdesktop after an update=
of my pc. I run gentoo 3.16.5 x86_64 and use rdesktop-1.8.3
Log file tells me something like:
[ 8221.014342] rdesktop[4670]: segfault at 0 ip 00007feb1deb5b67 sp 00007ff=
f8d069888 error 6 in libc-2.19.so[7feb1de2a000+19d000]
[ 8234.595630] rdesktop[4672]: segfault at 0 ip 00007f09df10eb67 sp 00007ff=
f91346278 error 6 in libc-2.19.so[7f09df083000+19d000]
[striped unrelated log entries]
[10909.885587] rdesktop[26919]: segfault at 0 ip 00007f37cfbf3b67 sp 00007f=
ffc4f79828 error 6 in libc-2.19.so[7f37cfb68000+19d000]
[12137.604414] rdesktop[30355]: segfault at 0 ip 00007f8347f7bb67 sp 00007f=
ff12265688 error 6 in libc-2.19.so[7f8347ef0000+19d000]
[striped unrelated log entries]
[12197.597852] rdesktop[30370]: segfault at 0 ip 00007ff44ea30b67 sp 00007f=
fffc4c5748 error 6 in libc-2.19.so[7ff44e9a5000+19d000]
[12233.678555] rdesktop[30375]: segfault at 0 ip 00007f05f23adb67 sp 00007f=
ff8562ef68 error 6 in libc-2.19.so[7f05f2322000+19d000]
[12238.834934] rdesktop[30376]: segfault at 0 ip 00007fc0942ffb67 sp 00007f=
ff15a5e7c8 error 6 in libc-2.19.so[7fc094274000+19d000]
This happens with my user and root. As soon as I set 'echo '0' >> /proc/sys=
/kernel/randomize_va_space' it is possible to start it as root.
I activated ASLR in kernel space with this update, so this makes sense to m=
e. Anyway this looks like a bug to me but maybe someone proves me wrong.
Can anyone help me fixing this? If this is a bug where should I file it and=
what is needed? If this behaviour correlates with kernel ASLR, this should=
be easily reprducible.
Anyway any suggestions or questions are appreciated. Thank you in advance
Bjoern Stueckenschneider
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<div style=3D"direction: ltr;font-family: Arial;color: #000000;font-size: 1=
0pt;">Hi,<br>
<br>
I just stumpled on a seg fault while trying to use rdesktop after an update=
of my pc. I run gentoo 3.16.5 x86_64 and use rdesktop-1.8.3<br>
Log file tells me something like:<br>
<br>
[ 8221.014342] rdesktop[4670]: segfault at 0 ip 00007feb1deb5b67 sp 00007ff=
f8d069888 error 6 in libc-2.19.so[7feb1de2a000+19d000]<br>
[ 8234.595630] rdesktop[4672]: segfault at 0 ip 00007f09df10eb67 sp 00007ff=
f91346278 error 6 in libc-2.19.so[7f09df083000+19d000]<br>
[striped unrelated log entries]<br>
[10909.885587] rdesktop[26919]: segfault at 0 ip 00007f37cfbf3b67 sp 00007f=
ffc4f79828 error 6 in libc-2.19.so[7f37cfb68000+19d000]<br>
[12137.604414] rdesktop[30355]: segfault at 0 ip 00007f8347f7bb67 sp 00007f=
ff12265688 error 6 in libc-2.19.so[7f8347ef0000+19d000]<br>
[striped unrelated log entries]<br>
[12197.597852] rdesktop[30370]: segfault at 0 ip 00007ff44ea30b67 sp 00007f=
fffc4c5748 error 6 in libc-2.19.so[7ff44e9a5000+19d000]<br>
[12233.678555] rdesktop[30375]: segfault at 0 ip 00007f05f23adb67 sp 00007f=
ff8562ef68 error 6 in libc-2.19.so[7f05f2322000+19d000]<br>
[12238.834934] rdesktop[30376]: segfault at 0 ip 00007fc0942ffb67 sp 00007f=
ff15a5e7c8 error 6 in libc-2.19.so[7fc094274000+19d000]<br>
<br>
This happens with my user and root. As soon as I set 'echo '0' >> /pr=
oc/sys/kernel/randomize_va_space' it is possible to start it as root.<br>
I activated ASLR in kernel space with this update, so this makes sense to m=
e. Anyway this looks like a bug to me but maybe someone proves me wrong.<br=
>
Can anyone help me fixing this? If this is a bug where should I file it and=
what is needed? If this behaviour correlates with kernel ASLR, this should=
be easily reprducible.<br>
Anyway any suggestions or questions are appreciated. Thank you in advance<b=
r>
<br>
Bjoern Stueckenschneider<br>
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