[tin-dev] tin-2.4.5 SIGSEGV when clicking past the end of topic list in a newsgroup in mate-terminal

[Urs Janßen]

On Wed, Jan 27, 2021 at 02:44:26PM +0100, Dominik 'Rathann' Mierzejewski wrote:
> Dear developers,
> 
> I accidentally clicked my mouse in the "empty" area past the end of the
> topic list in newsgroup view in my X terminal (mate-terminal) and tin
> crashed with SIGSEGV. Here's the backtrace:

someone is using the mouse buttons? (never found the actions bound to them
intuitive/usefull, so I do run with use_mouse=OFF all the time).

[...]
> #6  0x00005555555c9039 in info_message (fmt=0x5555555f83ae "%s") at ./screen.c:116
> #7  0x0000555555584320 in draw_subject_arrow () at ./group.c:986
> #8  draw_subject_arrow () at ./group.c:977
> #9  0x0000555555584220 in global_mouse_action (left_action=<optimized out>, right_action=0x55555558b660 <group_right>)
>     at ./global.c:335
> #10 0x000055555558b886 in group_page (group=<optimized out>) at ./group.c:208
[...]
> It's 100% reproducible. Open a newsgroup with unread articles (more than
> one screen). Go to the end (I press "End" key) and click in the empty
> area past the last topic.

the following patch should fix this (but there might be more issues with
using the mouse - I doubt that's in widespread use).
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