Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff94498700 (LWP 84433)]
av_buffer_ref (buf=0x7fffffffd970) at libavutil/buffer.c:101
101     avpriv_atomic_int_add_and_fetch(&buf->buffer->refcount, 1);
Missing separate debuginfos, use: debuginfo-install bzip2-libs-1.0.6-12.el7.x86_64 expat-2.1.0-8.el7.x86_64 fontconfig-2.10.95-7.el7.x86_64 freetype-2.4.11-10.el7_1.1.x86_64 glibc-2.17-78.el7.x86_64 libgcc-4.8.3-9.el7.x86_64 libstdc++-4.8.3-9.el7.x86_64 libxml2-2.9.1-5.el7_1.2.x86_64 xz-libs-5.1.2-9alpha.el7.x86_64 zlib-1.2.7-13.el7.x86_64
(gdb) bt
#0  av_buffer_ref (buf=0x7fffffffd970) at libavutil/buffer.c:101
#1  0x0000000000588637 in av_packet_ref (dst=dst@entry=0x7fff8c0008c0, src=src@entry=0x7fff94497e90) at libavcodec/avpacket.c:351
#2  0x00000000004f85b5 in ff_interleave_add_packet (compare=0x4f7550 <interleave_compare_dts>, pkt=0x7fff94497e90, s=0x171e520) at libavformat/mux.c:420
#3  ff_interleave_packet_per_dts (s=0x171e520, out=0x7fff94497df0, pkt=0x7fff94497e90, flush=0) at libavformat/mux.c:475
#4  0x00000000004f8c5d in interleave_packet (flush=0, in=0x7fff94497e90, out=0x7fff94497df0, s=0x171e520) at libavformat/mux.c:548
#5  av_interleaved_write_frame (s=0x171e520, pkt=pkt@entry=0x7fff94497e90) at libavformat/mux.c:578
#6  0x000000000045f309 in output_thread (arg=0x17368e0) at avconv.c:376
#7  0x00007ffff7bc6df5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007ffff66301ad in clone () from /lib64/libc.so.6
(gdb) list
96      if (!ret)
97          return NULL;
98
99      *ret = *buf;
100
101     avpriv_atomic_int_add_and_fetch(&buf->buffer->refcount, 1);
102
103     return ret;
104 }
105
(gdb)