Bug#809365: call stack added

[ChenQin]

Legend: code, data, rodata, value
Stopped reason: SIGSEGV
0x00007ffff4e5a5c8 in strncasecmp () from /usr/lib/x86_64-linux-gnu/libasan.so.0
gdb-peda$ bt
#0  0x00007ffff4e5a5c8 in strncasecmp () from /usr/lib/x86_64-linux-gnu/libasan.so.0
#1  0x0000000000474954 in maker_number (make=0x0) at maker_generic.c:741
#2  process_makernote (inptr=inptr at entry=0x60360000fd80, byteorder=byteorder at entry=0x4d4d, maker_entry=maker_entry at entry=0x789f80 <entry>, fileoffset_base=fileoffset_base at entry=0xc, max_offset=max_offset at entry=0x332303c, summary_entry=summary_entry at entry=0x60280001fb40, parent_name=parent_name at entry=0x60060000efe0 "JPEG.APP1.Ifd0.Exif", indent=indent at entry=0x8) at maker_generic.c:137
#3  0x00000000004448f4 in process_exif_ifd (inptr=inptr at entry=0x60360000fd80, byteorder=byteorder at entry=0x4d4d, exif_offset=<optimized out>, fileoffset_base=fileoffset_base at entry=0xc, max_offset=max_offset at entry=0x63c, summary_entry=summary_entry at entry=0x60280001fb40, parent_name=parent_name at entry=0x60040000dfd0 "JPEG.APP1.Ifd0", ifdnum=ifdnum at entry=0x0, indent=0x8, indent at entry=0x6) at process.c:1958
#4  0x000000000043c6be in process_tiff_ifd (inptr=inptr at entry=0x60360000fd80, byteorder=<optimized out>, ifd_offset=0x8, fileoffset_base=fileoffset_base at entry=0xc, max_offset=0x63c, max_offset at entry=0x0, summary_entry=<optimized out>, summary_entry at entry=0x60280001fcc0, parent_name=parent_name at entry=0x60040000dff0 "JPEG.APP1", ifdtype=ifdtype at entry=0x0, ifdnum=ifdnum at entry=0x0, subifdnum=subifdnum at entry=0xffffffff, indent=0x6, indent at entry=0x4) at process.c:674
#5  0x00000000004478bd in process_app1 (inptr=inptr at entry=0x60360000fd80, app1_offset=app1_offset at entry=0x2, tag=tag at entry=0xffe1, summary_entry=summary_entry at entry=0x60280001fcc0, parent_name=parent_name at entry=0x502600 "JPEG", indent=indent at entry=0x2) at process.c:3893
#6  0x000000000044a56e in process_jpeg_segments (inptr=inptr at entry=0x60360000fd80, marker_offset=<optimized out>, tag=<optimized out>, tag at entry=0xffd8, data_length=data_length at entry=0x0, summary_entry=summary_entry at entry=0x60280001fcc0, parent_name=parent_name at entry=0x502600 "JPEG", prefix=prefix at entry=0x502540 "@", indent=indent at entry=0x0) at process.c:3082
#7  0x0000000000403a5d in main (argc=<optimized out>, argv=0x7fffffffe838) at main.c:210
#8  0x00007ffff4798a40 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000405d69 in _start ()