[bug #4248] Viewer can crash the system dead when in GUI
- From: Jozef Behran <INVALID NOREPLY gnu org>
- To: Jozef Behran <jozef behran krs sk>, Roland Illig <roland illig gmx de>, mc-devel gnome org
- Subject: [bug #4248] Viewer can crash the system dead when in GUI
- Date: Thu, 25 May 2006 18:11:00 +0000
Follow-up Comment #3, bug #4248 (project mc):
The problem is not where the swapping is handled or whether a device buffer
is empty or not. The problem is that the viewer when subjected to the
commands outlined in the report, it will read and read and read and read ...
until a hard operating system crash or something similar stops it. You should
limit that "read and read and read and ..." to something reasonable. More
precisely the viewer should not read more than about 8MB between two
keystrokes and also the actions performed between these two keystrokes should
not last longer than about 0.25 of seconds.
Attempting to read the whole file into memory when switching to hex view
definitely is a bug. You don't need that.
Attempt to go to the end of the displayed data when the data is still growing
is harder to fix but a reasonable solution would be to allow the data to grow
for example 8 MB and then move to the end of the data fetched so far.
Using ulimit causes hard abort when the program hits the limit and that is
somewhat user-unfriendly. A nice error message would be much better.
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