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Re: [musl] [ncurses] Segmentation Fault -- ungetmouse [confirmed]
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From: |
Rich Felker |
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Subject: |
Re: [musl] [ncurses] Segmentation Fault -- ungetmouse [confirmed] |
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Date: |
Mon, 27 Mar 2017 08:15:59 -0400 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Mon, Mar 27, 2017 at 02:12:31PM +0200, A. Hopkins wrote:
> > Minimal Working Example of a program that segfaults on a musl system.
> >
> > #include <curses.h>
> > int main()
> > {
> > initscr();
> > MEVENT m;
> > ungetmouse(&m);
> > }
> >
> > Regards.
>
> I confirm that this segfaults.
Why would anyone expect it not to crash? You're passing a pointer to a
structure with indeterminate value to a function that will access it.
Rich