OSD subpictures NULL dereference
12803491 is the first bad commit
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f4b31816816 in SpuRenderRegion (render_date=3528363396326, subtitle_area_count=0, subtitle_area=<optimized out>, fmt=<optimized out>, chroma_list=<optimized out>, scale_size=..., scaled_pic=0x0, region=<optimized out>, entry=0x7f4a74000bb0, dst_area=0x7f4a7fffd990, spu=<optimized out>)
at ../../vlc/src/video_output/vout_subpictures.c:1074
1074 if (*scaled_pic == NULL)
#0 0x00007f4b31816816 in SpuRenderRegion (render_date=3528363396326, subtitle_area_count=0, subtitle_area=<optimized out>, fmt=<optimized out>, chroma_list=<optimized out>, scale_size=..., scaled_pic=0x0, region=<optimized out>, entry=0x7f4a74000bb0, dst_area=0x7f4a7fffd990, spu=<optimized out>)
at ../../vlc/src/video_output/vout_subpictures.c:1074
#1 SpuRenderSubpictures
(spu=spu@entry=0x7f4a98004740, i_subpicture=i_subpicture@entry=1, p_entries=p_entries@entry=0x7f4a74000bb0, chroma_list=chroma_list@entry=0x7f4aac02a708 <gl_subpicture_chromas>, fmt_dst=fmt_dst@entry=0x7f4a7fffeb10, fmt_src=fmt_src@entry=0x7f4a980ee1d8, system_now=3528363396326, render_subtitle_date=3528364396326, external_scale=false) at ../../vlc/src/video_output/vout_subpictures.c:1301
#2 0x00007f4b31818fc7 in spu_Render (spu=<optimized out>, chroma_list=<optimized out>, fmt_dst=fmt_dst@entry=0x7f4a7fffeb10, fmt_src=0x7f4a980ee1d8, system_now=system_now@entry=3528363396326, render_subtitle_date=render_subtitle_date@entry=3528364396326, ignore_osd=<optimized out>, external_scale=<optimized out>)
at ../../vlc/src/video_output/vout_subpictures.c:2093
#3 0x00007f4b3180d7b9 in RenderSPUs (ignore_osd=false, render_subtitle_date=3528364396326, system_now=3528363396326, spu_frame=0x7f4a7fffeb10, subpicture_chromas=<optimized out>, sys=0x7f4a98001c40) at ../../vlc/src/video_output/video_output.c:1122
#4 PrerenderPicture (out_subpic=<synthetic pointer>, out_pic=<synthetic pointer>, render_now=<synthetic pointer>, filtered=<optimized out>, sys=0x7f4a98001c40) at ../../vlc/src/video_output/video_output.c:1286
#5 RenderPicture (sys=sys@entry=0x7f4a98001c40, render_now=render_now@entry=true) at ../../vlc/src/video_output/video_output.c:1312
#6 0x00007f4b3180e83d in DisplayPicture (vout=0x7f4a98001c40) at ../../vlc/src/video_output/video_output.c:1521
#7 Thread (object=0x7f4a98001c40) at ../../vlc/src/video_output/video_output.c:1845
#8 0x00007f4b314c0947 in start_thread () at /lib64/libc.so.6
#9 0x00007f4b31546860 in clone3 () at /lib64/libc.so.6
with bonus crash on bisection point 4df34d78 is the first bad commit