dssim segfaults on compare.

[DeltaKilo]

dssim segfaults on trying to compare images from archive.
https://dl.dropboxusercontent.com/u/35428589/Do%20not%20touch/sample.tar.gz

[kornelski]

I'm unable to reproduce it. Can you provide a backtrace?

make clean
make CFLAGSOPT=-g
gdb --args ./dssim *.png

and then in gdb:

run
// crash
bt

[DeltaKilo]

Program received signal SIGSEGV, Segmentation fault.
_int_malloc (av=0x7ffff78a7760 <main_arena>, bytes=1975656) at malloc.c:3775
3775    malloc.c: No such file or directory.
(gdb) bt
#0  _int_malloc (av=0x7ffff78a7760 <main_arena>, bytes=1975656) at malloc.c:3775
#1  0x00007ffff756b5f0 in __GI___libc_malloc (bytes=1975656) at malloc.c:2891
#2  0x000000000040310a in dssim_set_modified (inf=0x607010, row_pointers=0x7ef790, image_width=789, image_height=626, gamma=0,45455000000000001)
    at dssim.c:348
#3  0x0000000000404c07 in main (argc=3, argv=0x7fffffffde38) at main.c:147

ldd ~/workshop/gits/dssim/dssim
    linux-vdso.so.1 =>  (0x00007fffb7ffe000)
    libpng12.so.0 => /lib/x86_64-linux-gnu/libpng12.so.0 (0x00007fc6708ec000)
    libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fc6705e6000)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fc67021f000)
    libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007fc670006000)
    /lib64/ld-linux-x86-64.so.2 (0x00007fc670b36000)

Ubuntu 14.04, glibc 2.19

[kornelski]

That code has been rewritten. Please reopen if the crash still happens.