[vlc-devel] [PATCH] stream_filter: fix null dereference by modules/demux/mpeg/ts.c

Francois Cartegnie fcvlcdev at free.fr
Fri Aug 21 17:07:17 CEST 2020

Le 21/08/2020 à 17:01, Akinobu Mita a écrit :
> This revers commit daeddd9bc724da5aa3c364c5b382da963f92b5b8
> ("stream_filter: remove tautology test").
> The close callback for MPEG Transport Stream demuxer module sets the
> b25stream's input stream to NULL and deletes the b25stream by calling
> vlc_stream_Delete() which ends up calling StreamDelete().
> (See /* don't chain kill demuxer's source */ comment in
> modules/demux/mpeg/ts.c)
> This change restores the test against NULL input stream in StreamDelete()
> to avoid NULL dereference.

Or fix stream_Delete() trying to deref module

Francois Cartegnie
VideoLAN - VLC Developer

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