[FFmpeg-trac] #9550(undetermined:new): SIGBUS under libvirt when displaying text

[FFmpeg]

#9550: SIGBUS under libvirt  when displaying text
-------------------------------------+-------------------------------------
             Reporter:  moovman      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 random SIGBUS (SIG7) under libvirt when scaling, overlaying and drawing an
 rtmp input to rtmp output. can happen after 20 minutes or 20 hours.


 How to reproduce:
 {{{
 ffmpeg -nostdin -i rtmp://localhost/shoutin/thestation -analyzeduration 0
 -max_delay 1 -fflags nobuffer -fflags discardcorrupt -i /etc/nginx/logo-
 sm.png -filter_complex "setpts=PTS-STARTPTS,scale
 =1280:720,overlay=1125:650,drawtext=x=10:y=660:textfile=/etc/nginx/text.txt:fontfile=/usr/share/fonts/truetype/dejavu/DejaVuSerif.ttf:fontsize=24:fontcolor=white:reload=1"
 -pix_fmt yuv420p -r 30 -c:v libx264 -b:v 3072k -keyint_min 30 -g 6
 0 -force_key_frames "expr:gte(t,n_forced*2)" -x264opts no-scenecut -strict
 experimental -c:a aac -b:a 320k -af "asetpts=PTS-
 STARTPTS,aresample=async=1:min_hard_comp=0.100000" -f flv -aspect 16:9
 rtmp://localhost/loop/thestation

 ffmpeg version N-104775-g228b25ad9b Copyright (c) 2000-2021 the FFmpeg
 developers
   built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)

 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9550>
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