Alexander Sack - Debian Bugmail wrote:
I clone this bug, because it contains info on the display issue of
long lines. Further, I set the original bug to
unreproducible. Nevertheless, I see the output and for me it won't be
a suprise if drawing text in such a way could lead to some segfault
et al in some special situation.
- Alexander
I still find this bug fairly easy to reproduce. Most recently, I used a
script to send an email with about 65000 characters in the subject line:
[EMAIL PROTECTED]:~$ >tt.tt; printf "A Really Long Subject: " >> tt.tt; for
((i=0;i<65000;i++)); do printf "X" >> tt.tt; done
[EMAIL PROTECTED]:~$ vi tt.tt
[EMAIL PROTECTED]:~$ mail -s "$(<tt.tt)" andy
This is a big subject, non?
-Andy
.
Cc:
[EMAIL PROTECTED]:~$
I then did the following actions until thunderbird crashed (it took
about 30 seconds):
Highlight pieces of the garbled subject name. Drag the higlight to the
right (the garbled text will scroll), drag to the left, try copying the
hilighted text.
Next, use the little [-] box next to the subject to shrink the headers
to one line. Repeat the dragging exercise. Sometimes it will crash here.
Now, click the [+] to enlarge the header block. Repeat the dragging
exercise. Here is usually where things crash for me.
While dragging, I often pull the mouse all the way to the right to
increase the scrolling speed of the text, or I pull it up high, or back
left then right repeatedly, varying things up a bit. Usually this
results in a crash in about 30 seconds, following the expand/contract
procedure above.
This problem may be exacerbated by particular fonts or X servers. I'm
using a vncserver as the X server (3.3.7-7), and I believe I'm using
standard fonts (I don't have any themes installed), but I could very
well be wrong because I'm ignorant about how fonts work in X.
-Andy
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