Ronald S. Bultje <rsbul...@gmail.com> added the comment: ==56585== Invalid read of size 4 ==56585== at 0x10036F181: vc1_decode_ac_coeff (in ./ffmpeg_g) ==56585== by 0x100373E51: vc1_decode_i_blocks_adv (in ./ffmpeg_g)==56585== by 0x3000000017: ??? ==56585== by 0x1010EA52F: ??? ==56585== by 0x7FFF0000000C: ??? ==56585== by 0x400000019: ??? ==56585== by 0x16FFFFFFFF: ??? ==56585== by 0x7FFF5FBFE45B: ??? ==56585== by 0x7FFF5FBFE457: ??? ==56585== by 0x7FFF5FBFE453: ??? ==56585== by 0x10106FFF2: ??? ==56585== by 0x5BFF: ??? ==56585== Address 0x101059597 is 1,687 bytes inside a block of size 1,690 alloc 'd ==56585== at 0x100CDFD06: memalign (vg_replace_malloc.c:581) ==56585== by 0x100CDFD5F: posix_memalign (vg_replace_malloc.c:709) ==56585== by 0x1004B50DC: av_mallocz (in ./ffmpeg_g) ==56585== by 0x7FFF5FBFE91F: ??? [..]
==56585== Invalid read of size 4 ==56585== at 0x100373A6A: vc1_decode_i_blocks_adv (in ./ffmpeg_g) ==56585== by 0x3000000017: ??? ==56585== by 0x1010EA52F: ??? ==56585== by 0x7FFF0000000C: ??? ==56585== by 0x400000019: ??? ==56585== by 0x16FFFFFFFF: ??? ==56585== by 0x7FFF5FBFE45B: ??? ==56585== by 0x7FFF5FBFE457: ???==56585== by 0x7FFF5FBFE453: ??? ==56585== by 0x10106FFF2: ??? ==56585== by 0x5BFF: ??? ==56585== by 0x11: ??? ==56585== Address 0x101059598 is 1,688 bytes inside a block of size 1,690 alloc 'd ==56585== at 0x100CDFD06: memalign (vg_replace_malloc.c:581) ==56585== by 0x100CDFD5F: posix_memalign (vg_replace_malloc.c:709) ==56585== by 0x1004B50DC: av_mallocz (in ./ffmpeg_g) ==56585== by 0x7FFF5FBFE91F: ??? disass of second address: 0x0000000100373a1b <vc1_decode_i_blocks_adv+1195>: mov 0x35d0(%rbp),%ebx 0x0000000100373a21 <vc1_decode_i_blocks_adv+1201>: mov %ebx,0x94(%rsp) 0x0000000100373a28 <vc1_decode_i_blocks_adv+1208>: mov 0x35d4(%rbp),%eax 0x0000000100373a2e <vc1_decode_i_blocks_adv+1214>: mov %eax,0x90(%rsp) 0x0000000100373a35 <vc1_decode_i_blocks_adv+1221>: mov 0x90(%rbp),%r13d 0x0000000100373a3c <vc1_decode_i_blocks_adv+1228>: movslq 0x3d24(%rbp),%rax 0x0000000100373a43 <vc1_decode_i_blocks_adv+1235>: lea (%rax,%rax,2),%rax 0x0000000100373a47 <vc1_decode_i_blocks_adv+1239>: shl $0x3,%rax 0x0000000100373a4b <vc1_decode_i_blocks_adv+1243>: add 0x2bd6ae(%rip),%rax # 0x100631100 0x0000000100373a52 <vc1_decode_i_blocks_adv+1250>: mov 0x8(%rax),%r8 0x0000000100373a56 <get_vlc2+0>: mov 0x3d68(%rbp),%esi 0x0000000100373a5c <get_vlc2+6>: mov 0x3d58(%rbp),%r9 0x0000000100373a63 <get_vlc2+13>: mov %esi,%eax 0x0000000100373a65 <get_vlc2+15>: shr $0x3,%eax 0x0000000100373a68 <get_vlc2+18>: mov %eax,%eax 0x0000000100373a6a <get_vlc2+20>: mov (%r9,%rax,1),%eax 0x0000000100373a6e <av_bswap32+0>: bswap %eax 0x0000000100373a70 <NEG_USR32+0>: mov %esi,%ecx 0x0000000100373a72 <NEG_USR32+2>: and $0x7,%ecx 0x0000000100373a75 <NEG_USR32+5>: shl %cl,%eax 0x0000000100373a77 <NEG_USR32+7>: shr $0xf7,%eax disass of first: 0x000000010036f15a <vc1_decode_ac_coeff+42>: lea 0x82c6df(%rip),%rdi # 0x100b9b840 <ff_vc1_ac_coeff_table> 0x000000010036f161 <vc1_decode_ac_coeff+49>: movslq %r8d,%r8 0x000000010036f164 <vc1_decode_ac_coeff+52>: lea (%r8,%r8,2),%rax 0x000000010036f168 <vc1_decode_ac_coeff+56>: mov 0x8(%rdi,%rax,8),%r10 0x000000010036f16d <vc1_decode_ac_coeff+61>: mov 0x3d68(%rbx),%esi 0x000000010036f173 <vc1_decode_ac_coeff+67>: mov 0x3d58(%rbx),%rbp 0x000000010036f17a <vc1_decode_ac_coeff+74>: mov %esi,%eax 0x000000010036f17c <vc1_decode_ac_coeff+76>: shr $0x3,%eax 0x000000010036f17f <vc1_decode_ac_coeff+79>: mov %eax,%eax 0x000000010036f181 <vc1_decode_ac_coeff+81>: mov 0x0(%rbp,%rax,1),%eax 0x000000010036f185 <av_bswap32+0>: bswap %eax 0x000000010036f187 <NEG_USR32+0>: mov %esi,%ecx 0x000000010036f189 <NEG_USR32+2>: and $0x7,%ecx 0x000000010036f18c <NEG_USR32+5>: shl %cl,%eax 0x000000010036f18e <NEG_USR32+7>: shr $0xf7,%eax 0x000000010036f191 <vc1_decode_ac_coeff+97>: mov %eax,%eax 0x000000010036f193 <vc1_decode_ac_coeff+99>: lea (%r10,%rax,4),%rax 0x000000010036f197 <vc1_decode_ac_coeff+103>: movswl (%rax),%r9d 0x000000010036f19b <vc1_decode_ac_coeff+107>: movswl 0x2(%rax),%edx 0x000000010036f19f <vc1_decode_ac_coeff+111>: test %edx,%edx ________________________________________________ FFmpeg issue tracker <iss...@roundup.ffmpeg.org> <https://roundup.ffmpeg.org/issue2584> ________________________________________________
