Bug#923527: bliss: example segfaults in gmp

David Bremner bremner at debian.org
Mon Mar 25 00:46:11 GMT 2019


Bernhard Übelacker <bernhardu at mailbox.org> writes:

> Hello David Bremner,
>
> Do you still get this crash?

yes

> Is my bliss command line wrong?

it looks ok, same as mine

> Maybe something got lost in the input file,
> so you could attach it to the email?
>

ok

> Is the backtrace you copied all of the output or
> did you remove the frame in function main?

Here is the full backtrace

Program received signal SIGSEGV, Segmentation fault.
0x00007fd9b3fea0f9 in __gmpz_set_si () from /usr/lib/x86_64-linux-gnu/libgmp.so.10
(gdb) bt
#0  0x00007fd9b3fea0f9 in __gmpz_set_si () from /usr/lib/x86_64-linux-gnu/libgmp.so.10
#1  0x00007fd9b453ac10 in bliss::AbstractGraph::search(bool, bliss::Stats&) ()
   from /usr/lib/x86_64-linux-gnu/libbliss.so.2
#2  0x00007fd9b453da3c in bliss::AbstractGraph::find_automorphisms(bliss::Stats&, void (*)(void*, unsigned int, unsigned int const*), void*) () from /usr/lib/x86_64-linux-gnu/libbliss.so.2
#3  0x000055d66f737cd0 in main (argc=2, argv=0x7ffc262cb408) at bliss.cc:297

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