id,summary,reporter,owner,description,type,status,priority,component,version,resolution,keywords,cc,blockedby,blocking,reproduced,analyzed 2140,null ptr deref due to vf_mp not setting pseudo palette,cehoyos,,"$ ffmpeg -i tests/lena.pnm -vf mp=il=d -pix_fmt gray gray.png {{{ (gdb) r -i gray.png -vf mp=il=i gray2.png Starting program: ffmpeg_g -i gray.png -vf mp=il=i gray2.png [Thread debugging using libthread_db enabled] Using host libthread_db library ""/lib64/libthread_db.so.1"". ffmpeg version N-48916-ge074fe2 Copyright (c) 2000-2013 the FFmpeg developers built on Jan 15 2013 15:59:20 with gcc 4.7 (SUSE Linux) configuration: --enable-gpl --disable-indev=jack libavutil 52. 14.100 / 52. 14.100 libavcodec 54. 89.100 / 54. 89.100 libavformat 54. 59.107 / 54. 59.107 libavdevice 54. 3.102 / 54. 3.102 libavfilter 3. 32.100 / 3. 32.100 libswscale 2. 1.103 / 2. 1.103 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 Input #0, image2, from 'gray.png': Duration: 00:00:00.04, start: 0.000000, bitrate: N/A Stream #0:0: Video: png, gray, 256x256, 25 tbr, 25 tbn, 25 tbc [Parsed_mp_0 @ 0x15d2a20] 'il' is a wrapped MPlayer filter (libmpcodecs). This filter may be removed once it has been ported to a native libavfilter. [New Thread 0x7ffff6563700 (LWP 11883)] [New Thread 0x7ffff5d62700 (LWP 11884)] [New Thread 0x7ffff5561700 (LWP 11885)] [New Thread 0x7ffff4d60700 (LWP 11886)] [New Thread 0x7fffe7fff700 (LWP 11887)] [New Thread 0x7fffe77fe700 (LWP 11888)] [New Thread 0x7fffe6ffd700 (LWP 11889)] [New Thread 0x7fffe67fc700 (LWP 11890)] Output #0, image2, to 'gray2.png': Metadata: encoder : Lavf54.59.107 Stream #0:0: Video: png, gray, 256x256, q=2-31, 200 kb/s, 90k tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (png -> png) Press [q] to stop, [?] for help Program received signal SIGSEGV, Segmentation fault. 0x0000000000bb9ae0 in av_image_copy (dst_data=dst_data@entry=0x15b9108, dst_linesizes=dst_linesizes@entry=0x15b9150, src_data=src_data@entry=0x15c6b88, src_linesizes=src_linesizes@entry=0x15c6bd0, pix_fmt=AV_PIX_FMT_GRAY8, width=256, height=256) at libavutil/imgutils.c:272 272 memcpy(dst_data[1], src_data[1], 4*256); (gdb) bt #0 0x0000000000bb9ae0 in av_image_copy (dst_data=dst_data@entry=0x15b9108, dst_linesizes=dst_linesizes@entry=0x15b9150, src_data=src_data@entry=0x15c6b88, src_linesizes=src_linesizes@entry=0x15c6bd0, pix_fmt=AV_PIX_FMT_GRAY8, width=256, height=256) at libavutil/imgutils.c:272 #1 0x0000000000470667 in ff_filter_frame_framed (link=link@entry=0x15d42c0, frame=frame@entry=0x15c6b80) at libavfilter/avfilter.c:693 #2 0x0000000000470a71 in ff_filter_frame (frame=0x15c6b80, link=0x15d42c0) at libavfilter/avfilter.c:791 #3 default_filter_frame (link=, frame=0x15c6b80) at libavfilter/avfilter.c:638 #4 0x00000000004707d6 in ff_filter_frame_framed (link=link@entry=0x15d4020, frame=frame@entry=0x15c6b80) at libavfilter/avfilter.c:719 #5 0x000000000047242b in ff_filter_frame (link=link@entry=0x15d4020, frame=frame@entry=0x15c6b80) at libavfilter/avfilter.c:791 #6 0x000000000048af2c in ff_vf_next_put_image (vf=0x15d2ac0, mpi=0x15d43a0, pts=0) at libavfilter/vf_mp.c:588 #7 0x000000000048abd2 in filter_frame (inlink=0x15d41e0, inpic=0x15d4700) at libavfilter/vf_mp.c:824 #8 0x00000000004707d6 in ff_filter_frame_framed (link=link@entry=0x15d41e0, frame=frame@entry=0x15d4700) at libavfilter/avfilter.c:719 #9 0x000000000047242b in ff_filter_frame (link=link@entry=0x15d41e0, frame=0x15d4700) at libavfilter/avfilter.c:791 #10 0x0000000000475182 in request_frame (link=0x15d41e0) at libavfilter/buffersrc.c:372 #11 0x00000000004755b4 in av_buffersrc_add_ref (s=0x15c6e00, buf=0x0, flags=flags@entry=7) at libavfilter/buffersrc.c:150 #12 0x000000000045e5ed in decode_video (ist=ist@entry=0x15ddb40, pkt=pkt@entry=0x7fffffffdb00, got_output=got_output@entry=0x7fffffffd89c) at ffmpeg.c:1672 #13 0x00000000004615ff in output_packet (pkt=0x7fffffffdaa0, ist=0x15ddb40) at ffmpeg.c:1792 #14 process_input (file_index=) at ffmpeg.c:2886 #15 0x0000000000451cb0 in transcode_step () at ffmpeg.c:2982 #16 transcode () at ffmpeg.c:3034 #17 main (argc=, argv=) at ffmpeg.c:3209 (gdb) disass $pc-32,$pc+32 Dump of assembler code from 0xbb9ac0 to 0xbb9b00: 0x0000000000bb9ac0 : add %al,(%rax) 0x0000000000bb9ac2 : add %al,-0xa(%rax) 0x0000000000bb9ac5 : movl $0x10d850f,(%rdx) 0x0000000000bb9acb : add %al,(%rax) 0x0000000000bb9acd : test $0x4,%dil 0x0000000000bb9ad1 : jne 0xbb9bc6 0x0000000000bb9ad7 : mov %eax,%ecx 0x0000000000bb9ad9 : xor %edx,%edx 0x0000000000bb9adb : shr $0x3,%ecx 0x0000000000bb9ade : test $0x4,%al => 0x0000000000bb9ae0 : rep movsq %ds:(%rsi),%es:(%rdi) 0x0000000000bb9ae3 : je 0xbb9aee 0x0000000000bb9ae5 : mov (%rsi),%edx 0x0000000000bb9ae7 : mov %edx,(%rdi) 0x0000000000bb9ae9 : mov $0x4,%edx 0x0000000000bb9aee : test $0x2,%al 0x0000000000bb9af0 : je 0xbb9afe 0x0000000000bb9af2 : movzwl (%rsi,%rdx,1),%ecx 0x0000000000bb9af6 : mov %cx,(%rdi,%rdx,1) 0x0000000000bb9afa : add $0x2,%rdx 0x0000000000bb9afe : test $0x1,%al (gdb) info register rax 0x400 1024 rbx 0x100 256 rcx 0x80 128 rdx 0x0 0 rsi 0x0 0 rdi 0x162daa0 23255712 rbp 0x100 0x100 rsp 0x7fffffffd1f0 0x7fffffffd1f0 r8 0x162d9a0 23255456 r9 0xf0 240 r10 0x0 0 r11 0x7ffff68d1d60 140737329831264 r12 0x161d840 23189568 r13 0x162daa0 23255712 r14 0x0 0 r15 0x100 256 rip 0xbb9ae0 0xbb9ae0 eflags 0x10246 [ PF ZF IF RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 }}} ",defect,closed,important,avfilter,git-master,fixed,crash SIGSEGV mpfilter,,,,0,1