#11246: libplacebo and ffmpeg git tip segfault on init, core dumped
-------------------------------------+-------------------------------------
Reporter: Dennis E. | Type: defect
Mungai |
Status: new | Priority: normal
Component: avfilter | Version: git-
Keywords: libplacebo | master
vulkan | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
**Summary of the bug:**
Any invocation of {{{libplacebo}}} now fails with an immediate segfault:
{{{
[23974.534317] vf#0:0[1003115]: segfault at 128 ip 000073c61c877e26 sp
000073c5c83e7508 error 4 in libavfilter.so.10.6.100[73c61c7ac000+315000]
likely on CPU 14 (core 26, socket 0)
[23974.534337] Code: 41 5c c3 90 49 89 d4 eb d1 66 66 2e 0f 1f 84 00 00 00
00 00 f3 0f 1e fa 48 8b 87 28 01 00 00 c3 0f 1f 40 00 f3 0f 1e fa 31 c0
<48> 83 bf 28 01 00 00 00 0f 95 c0 c3 66 66 2e 0f 1f 84 00 00 00 00
[23978.918960] vf#0:0[1003155]: segfault at 128 ip 00007eec7bbbee26 sp
00007eec537e7508 error 4 in libavfilter.so.10.6.100[7eec7baf3000+315000]
likely on CPU 12 (core 24, socket 0)
[23978.918978] Code: 41 5c c3 90 49 89 d4 eb d1 66 66 2e 0f 1f 84 00 00 00
00 00 f3 0f 1e fa 48 8b 87 28 01 00 00 c3 0f 1f 40 00 f3 0f 1e fa 31 c0
<48> 83 bf 28 01 00 00 00 0f 95 c0 c3 66 66 2e 0f 1f 84 00 00 00 00
}}}
**Sample command:**
In both instances, as tested on both NVIDIA and Intel Vulkan devices:
{{{
ffmpeg -init_hw_device "vulkan=vk:0,disable_multiplane=1" \
-f lavfi -i color=red:s=3840x2160 \
-vf hwupload,libplacebo,hwdownload,format=yuv420p -f null -
}}}
The pipeline(s) die with:
{{{
Input #0, lavfi, from 'color=red:s=3840x2160':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: wrapped_avframe, yuv420p, 3840x2160 [SAR 1:1 DAR
16:9], 25 fps, 25 tbr, 25 tbn
Stream mapping:
Stream #0:0 -> #0:0 (wrapped_avframe (native) -> wrapped_avframe
(native))
Press [q] to stop, [?] for help
Segmentation fault (core dumped)
}}}
Suspected commit(s) 8160178dfc0e6bdaacf80dec58e595a9d595eedc
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11246>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker_______________________________________________
FFmpeg-trac mailing list
FFmpeg-trac@avcodec.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-trac
To unsubscribe, visit link above, or email
ffmpeg-trac-requ...@ffmpeg.org with subject "unsubscribe".
