[Aptitude-devel] Bug#819840: Bug#819840: aptitude: Segfaults if suspended and foregrounded on virtual linux console

Axel Beckert abe at debian.org
Wed Apr 6 00:22:50 UTC 2016


Hi again,

> It's possibly the first time I did this with an aptitude version
> released after Jessie. So I can't tell when it started, except that it
> didn't happen with Debian Jessie on armhf nor with Raspian Jessie. I'm
> not sure about Raspbian Stretch, but I may have used aptitude (0.7.5)
> there on the vt console once or twice, too. Can and will check,
> though.

For that I need to boot my Raspberry Pi with a different SD card which
I haven't done yet.

But I found out some more stuff:

1) I first recognized with the state before the dinstall run of
   2016-04-04 20:54.

2) It also happens inside a screen session when the screen session
   initally was started on the Linux vt console and hence had
   TERM=screen.linux.

3) It even happens remotely inside such a screen session despite it's
   connected to an xterm via ssh. So I now can also check stuff
   remotely.

4) It still happens with apt 1.2.10 installed.

5) The backtrace on armhf is unusable:

Reading symbols from /usr/bin/aptitude-curses...Reading symbols from /usr/lib/debug/.build-id/d1/1cf88a5f126adb6c2781dfc207e3a039441afa.debug...done.
done.
[New LWP 28093]
[New LWP 28100]
[New LWP 28094]
[New LWP 28096]
[New LWP 28095]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
Core was generated by `aptitude'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x763fdcf0 in ?? ()
[Current thread is 1 (Thread 0x7647d000 (LWP 28093))]
(gdb) bt
#0  0x763fdcf0 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) quit

:-(

Not sure if it's gdb which is broken on armhf or something else.

		Regards, Axel
-- 
 ,''`.  |  Axel Beckert <abe at debian.org>, http://people.debian.org/~abe/
: :' :  |  Debian Developer, ftp.ch.debian.org Admin
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