maintainer-feedback requested: [Bug 267200] multimedia/ffmpeg: Segmentation fault in ff_seek_frame_binary()
Date: Wed, 19 Oct 2022 16:26:13 UTC
Bugzilla Automation <bugzilla@FreeBSD.org> has asked freebsd-multimedia
(Nobody) <multimedia@FreeBSD.org> for maintainer-feedback:
Bug 267200: multimedia/ffmpeg: Segmentation fault in ff_seek_frame_binary()
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267200
--- Description ---
OS: 13-STABLE n252783
multimedia/ffmpeg:
Options :
ALSA : on
AMR_NB : off
AMR_WB : off
AOM : off
ARIBB24 : off
ASM : on
ASS : on
BS2B : off
CACA : off
CDIO : off
CODEC2 : off
DAV1D : on
DC1394 : off
DEBUG : on
DOCS : off
DRM : off
FDK_AAC : off
FLITE : off
FONTCONFIG : off
FREETYPE : on
FREI0R : on
FRIBIDI : off
GCRYPT : off
GLSLANG : on
GME : off
GMP : on
GNUTLS : on
GPL3 : on
GSM : off
ICONV : on
ILBC : off
JACK : off
KVAZAAR : off
LADSPA : on
LAME : on
LENSFUN : off
LIBBLURAY : off
LIBRSVG2 : off
LIBRTMP : off
LIBXML2 : off
LTO : off
LV2 : off
MBEDTLS : off
MFX : off
MODPLUG : off
MYSOFA : off
NONFREE : on
OPENAL : on
OPENCL : on
OPENGL : on
OPENH264 : off
OPENJPEG : on
OPENMPT : on
OPENSSL : off
OPTIMIZED_CFLAGS: on
OPUS : off
POCKETSPHINX : off
PULSEAUDIO : on
RABBITMQ : off
RAV1E : off
RIST : off
RTCPU : on
RUBBERBAND : off
SDL : off
SMB : off
SNAPPY : off
SNDIO : off
SOXR : off
SPEEX : on
SRT : off
SSH : off
SVTAV1 : off
SVTHEVC : off
SVTVP9 : off
TESSERACT : off
THEORA : on
TWOLAME : off
V4L : on
VAAPI : on
VAPOURSYNTH : off
VDPAU : on
VIDSTAB : off
VMAF : off
VORBIS : on
VO_AMRWBENC : on
VPX : on
VULKAN : on
WEBP : off
X264 : on
X265 : on
XCB : off
XVID : on
XVIDEO : off
ZIMG : off
ZMQ : off
ZVBI : off
When I'm try to play video in BDAV container use multimedia/mpv and seek +5
sec, I'm getting Segmentation fault:
(+) Video --vid=1 (h264 1920x1080 23.976fps)
(+) Audio --aid=1 --alang=rus (ac3 6ch 48000Hz)
Audio --aid=2 --alang=rus (ac3 6ch 48000Hz)
Audio --aid=3 --alang=eng (dts 6ch 48000Hz)
Audio --aid=4 --alang=eng (ac3 2ch 48000Hz)
Subs --sid=1 --slang=rus (hdmv_pgs_subtitle)
Subs --sid=2 --slang=ukr (hdmv_pgs_subtitle)
Subs --sid=3 --slang=eng (hdmv_pgs_subtitle)
Subs --sid=4 --slang=eng (hdmv_pgs_subtitle)
Subs --sid=5 --slang=rus (hdmv_pgs_subtitle)
Subs --sid=6 --slang=ukr (hdmv_pgs_subtitle)
Subs --sid=7 --slang=eng (hdmv_pgs_subtitle)
[New LWP 127957 of process 58190]
Using hardware decoding (vdpau-copy).
[New LWP 127958 of process 58190]
[LWP 127958 of process 58190 exited]
[New LWP 127959 of process 58190]
AO: [oss] 48000Hz stereo 2ch spdif-ac3
VO: [gpu] 1920x1080 nv12
AV: 00:01:00 / 01:31:47 (1%) A-V: -0.046
Thread 15 "mpv/demux" received signal SIGSEGV, Segmentation fault.
Address not mapped to object.
[Switching to LWP 127955 of process 58190]
0x0000000801fcaa03 in ff_seek_frame_binary (s=s@entry=0x834260000,
stream_index=<optimized out>, stream_index@entry=0,
target_ts=target_ts@entry=64865460, flags=flags@entry=0) at
libavformat/utils.c:2175
2175 if (e->timestamp <= target_ts || e->pos == e->min_distance) {
(gdb) bt
#0 0x0000000801fcaa03 in ff_seek_frame_binary (s=s@entry=0x834260000,
stream_index=<optimized out>, stream_index@entry=0,
target_ts=target_ts@entry=64865460, flags=flags@entry=0) at
libavformat/utils.c:2175
#1 0x0000000801fcba9b in seek_frame_internal (s=0x834260000, stream_index=0,
timestamp=64865460, flags=0) at libavformat/utils.c:2481
#2 av_seek_frame (s=0x834260000, stream_index=<optimized out>,
timestamp=<optimized out>, flags=0) at libavformat/utils.c:2504
#3 0x000000000031a380 in ?? ()
#4 0x000000000031315c in ?? ()
#5 0x000000000030c9fd in ?? ()
#6 0x000000000030bc7e in ?? ()
#7 0x0000000802c219b8 in ?? () from /lib/libthr.so.3
#8 0x0000000000000000 in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffde5f1000
The problem only with BDAV container. Video in other containers plays fine.