Public bug reported:
Binary package hint: rdesktop
- This bug has been heavily tested with 1.6.0-2ubuntu1 on Intrepid i386,
but the package hasn't changed in Jaunty or Karmic.
When using LTSP in rdesktop mode, with rdesktop -r
disk:disk=/media/root/ and as USB drive, it's possible to make rdesktop
segfault under certain circumstances.
How to duplicate:
- Login to rdesktop
- Insert USB key
- Go to "My computer" or equivalent, go to "disk on <terminal>", and click on
the directory containing the USB drive
- Press F5 until you see the files on the USB drive.
- Now, leave F5 pressed (it will refresh the file list continuously) and
disconnect the USB drive. You will get a segfault.
The problem is in disk.c. Rdesktop does a "rewinddir(pdir)". Between the
USB disconnect and the umounting of the directory, there is a state of
uncertainty where pdir=0. Doing a rewinddir(0) causes a segfault.
If you add a simple condition, it fixes the problem.
if(pdir==0)
return RD_STATUS_NO_SUCH_FILE;
** Affects: rdesktop (Ubuntu)
Importance: Undecided
Status: New
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Rdesktop crashes when removing USB key with LTSP
https://bugs.launchpad.net/bugs/389614
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