[Aptitude-devel] Bug#963790: Bug#963790: aptitude: crashes on arm64

[Mikulas Patocka]

On Sat, 27 Jun 2020, Axel Beckert wrote:

> Hi Mikulas,
> 
> Mikulas Patocka wrote:
> > > > Aptitude crashes on arm64. If I ress 'q' and quit aptitude, I get a crash.
> > > > If I press 'g' to let aptitude do some work, I get a crash.
> > > 
> > > Hmmm, I assume this is reproducible on your machine?
> > 
> > Yes - it is 100% reproducible.
> 
> Thanks!
> 
> > I've found out that the crash only happens with the kernel 5.8-rc. 
> > Aptitude works on 5.7.
> 
> Okay… O.o
> 
> Wonder if this should be reassigned to the kernel then. Any chance
> that you find evidence in this by other similar (maybe other curses or
> slang?) applications crashing, too.

The crash happens in the libcwidget library - and aptitude is the only 
package that uses it.

> > So, it may be bug in the kernel and not aptitude. I 
> > bisected it, and it is caused by the kernel commit 
> > d27865279f12035c730818aa1a0280fada866a37.
> 
> This seems to be an arm64-only commit, so I assume this is really
> arm64-specific.

Yes.

Mikulas