Here are two backtraces from two crashes while trying to download
www.riha-journal.org for offline viewing.
This was the command I ran:
httrack --continue -x --connection-per-second=1 www.riha-journal.org
I am using:
HTTrack version 3.46+libhtsjava.so.2
*** glibc detected *** httrack: free(): invalid pointer: 0x00007ffffa09ab98
***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x76a16)[0x7fdd3a96fa16]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x6c)[0x7fdd3a9747bc]
/usr/lib/libhttrack.so.2(back_unserialize+0x42)[0x7fdd3aee7182]
/usr/lib/libhttrack.so.2(back_unserialize_ref+0x42)[0x7fdd3aee8ac2]
/usr/lib/libhttrack.so.2(cache_read_including_broken+0xdc)[0x7fdd3aefd4ac]
/usr/lib/libhttrack.so.2(url_savename2+0x3f22)[0x7fdd3af329f2]
/usr/lib/libhttrack.so.2(htsparse+0x4fe9)[0x7fdd3aed04f9]
/usr/lib/libhttrack.so.2(httpmirror+0x555e)[0x7fdd3aebd74e]
/usr/lib/libhttrack.so.2(hts_main2+0x4545)[0x7fdd3af21905]
httrack[0x401b43]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd)[0x7fdd3a917ead]
httrack[0x401bb9]
======= Memory map: ========
00400000-00406000 r-xp 00000000 08:01 550251
/usr/bin/httrack
00605000-00606000 r--p 00005000 08:01 550251
/usr/bin/httrack
00606000-00607000 rw-p 00006000 08:01 550251
/usr/bin/httrack
021d1000-02530000 rw-p 00000000 00:00 0
[heap]
7fdd33dea000-7fdd33dff000 r-xp 00000000 08:01 2883588
/lib/x86_64-linux-gnu/libgcc_s.so.1
7fdd33dff000-7fdd33fff000 ---p 00015000 08:01 2883588
/lib/x86_64-linux-gnu/libgcc_s.so.1
7fdd33fff000-7fdd34000000 rw-p 00015000 08:01 2883588
/lib/x86_64-linux-gnu/libgcc_s.so.1
7fdd34000000-7fdd34021000 rw-p 00000000 00:00 0
7fdd34021000-7fdd38000000 ---p 00000000 00:00 0
7fdd381d1000-7fdd381e4000 r-xp 00000000 08:01 2884151
/lib/x86_64-linux-gnu/libresolv-2.13.so
7fdd381e4000-7fdd383e3000 ---p 00013000 08:01 2884151
/lib/x86_64-linux-gnu/libresolv-2.13.so
7fdd383e3000-7fdd383e4000 r--p 00012000 08:01 2884151
/lib/x86_64-linux-gnu/libresolv-2.13.so
7fdd383e4000-7fdd383e5000 rw-p 00013000 08:01 2884151
/lib/x86_64-linux-gnu/libresolv-2.13.so
7fdd383e5000-7fdd383e7000 rw-p 00000000 00:00 0
7fdd383e7000-7fdd383ec000 r-xp 00000000 08:01 2883609
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7fdd383ec000-7fdd385eb000 ---p 00005000 08:01 2883609
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7fdd385eb000-7fdd385ec000 r--p 00004000 08:01 2883609
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7fdd385ec000-7fdd385ed000 rw-p 00005000 08:01 2883609
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7fdd385ed000-7fdd385ef000 r-xp 00000000 08:01 2884286
/lib/libnss_mdns4_minimal.so.2
7fdd385ef000-7fdd387ee000 ---p 00002000 08:01 2884286
/lib/libnss_mdns4_minimal.so.2
7fdd387ee000-7fdd387ef000 rw-p 00001000 08:01 2884286
/lib/libnss_mdns4_minimal.so.2
7fdd387ef000-7fdd387fa000 r-xp 00000000 08:01 2883610
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7fdd387fa000-7fdd389f9000 ---p 0000b000 08:01 2883610
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7fdd389f9000-7fdd389fa000 r--p 0000a000 08:01 2883610
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7fdd389fa000-7fdd389fb000 rw-p 0000b000 08:01 2883610
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7fdd38a0e000-7fdd39e99000 rw-p 00000000 00:00 0
7fdd39e99000-7fdd39e9b000 r-xp 00000000 08:01 550248
/usr/lib/libhtsjava.so.2.0.46
7fdd39e9b000-7fdd3a09b000 ---p 00002000 08:01 550248
/usr/lib/libhtsjava.so.2.0.46
7fdd3a09b000-7fdd3a09c000 r--p 00002000 08:01 550248
/usr/lib/libhtsjava.so.2.0.46
7fdd3a09c000-7fdd3a09d000 rw-p 00003000 08:01 550248
/usr/lib/libhtsjava.so.2.0.46
7fdd3a09d000-7fdd3a267000 r-xp 00000000 08:01 526775
/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7fdd3a267000-7fdd3a467000 ---p 001ca000 08:01 526775
/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7fdd3a467000-7fdd3a482000 r--p 001ca000 08:01 526775
/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7fdd3a482000-7fdd3a491000 rw-p 001e5000 08:01 526775
/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7fdd3a491000-7fdd3a495000 rw-p 00000000 00:00 0
7fdd3a495000-7fdd3a4eb000 r-xp 00000000 08:01 526777
/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
7fdd3a4eb000-7fdd3a6eb000 ---p 00056000 08:01 526777
/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
7fdd3a6eb000-7fdd3a6ee000 r--p 00056000 08:01 526777
/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
7fdd3a6ee000-7fdd3a6f5000 rw-p 00059000 08:01 526777
/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
7fdd3a6f5000-7fdd3a6f7000 r-xp 00000000 08:01 2883600
/lib/x86_64-linux-gnu/libdl-2.13.so
7fdd3a6f7000-7fdd3a8f7000 ---p 00002000 08:01 2883600
/lib/x86_64-linux-gnu/libdl-2.13.so
7fdd3a8f7000-7fdd3a8f8000 r--p 00002000 08:01 2883600
/lib/x86_64-linux-gnu/libdl-2.13.so
7fdd3a8f8000-7fdd3a8f9000 rw-p 00003000 08:01 2883600
/lib/x86_64-linux-gnu/libdl-2.13.so
7fdd3a8f9000-7fdd3aa7b000 r-xp 00000000 08:01 2883594
/lib/x86_64-linux-gnu/libc-2.13.so
7fdd3aa7b000-7fdd3ac7b000 ---p 00182000 08:01 2883594
/lib/x86_64-linux-gnu/libc-2.13.so
7fdd3ac7b000-7fdd3ac7f000 r--p 00182000 08:01 2883594
/lib/x86_64-linux-gnu/libc-2.13.so
7fdd3ac7f000-7fdd3ac80000 rw-p 00186000 08:01 2883594
/lib/x86_64-linux-gnu/libc-2.13.so
7fdd3ac80000-7fdd3ac85000 rw-p 00000000 00:00 0
7fdd3ac85000-7fdd3ac9b000 r-xp 00000000 08:01 2883674
/lib/x86_64-linux-gnu/libz.so.1.2.7
7fdd3ac9b000-7fdd3ae9a000 ---p 00016000 08:01 2883674
/lib/x86_64-linux-gnu/libz.so.1.2.7
7fdd3ae9a000-7fdd3ae9b000 r--p 00015000 08:01 2883674
/lib/x86_64-linux-gnu/libz.so.1.2.7
7fdd3ae9b000-7fdd3ae9c000 rw-p 00016000 08:01 2883674
/lib/x86_64-linux-gnu/libz.so.1.2.7
7fdd3ae9c000-7fdd3af77000 r-xp 00000000 08:01 550247
/usr/lib/libhttrack.so.2.0.46
7fdd3af77000-7fdd3b177000 ---p 000db000 08:01 550247
/usr/lib/libhttrack.so.2.0.46
7fdd3b177000-7fdd3b178000 r--p 000db000 08:01 550247
/usr/lib/libhttrack.so.2.0.46
7fdd3b178000-7fdd3b17c000 rw-p 000dc000 08:01 550247
/usr/lib/libhttrack.so.2.0.46
7fdd3b17c000-7fdd3b193000 r-xp 00000000 08:01 2883587
/lib/x86_64-linux-gnu/libpthread-2.13.soAborted
=========================================================================================================================
*** glibc detected *** httrack: free(): invalid pointer: 0x00007fff66e06458
***usseau-le-carmagnole (437860 bytes) - OK
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x76a16)[0x7f50b82f1a16]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x6c)[0x7f50b82f67bc]
/usr/lib/libhttrack.so.2(back_unserialize+0x42)[0x7f50b8869182]
/usr/lib/libhttrack.so.2(back_unserialize_ref+0x42)[0x7f50b886aac2]
/usr/lib/libhttrack.so.2(cache_read_including_broken+0xdc)[0x7f50b887f4ac]
/usr/lib/libhttrack.so.2(url_savename2+0x3f22)[0x7f50b88b49f2]
/usr/lib/libhttrack.so.2(htsparse+0x4fe9)[0x7f50b88524f9]
/usr/lib/libhttrack.so.2(httpmirror+0x555e)[0x7f50b883f74e]
/usr/lib/libhttrack.so.2(hts_main2+0x4545)[0x7f50b88a3905]
httrack[0x401b43]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd)[0x7f50b8299ead]
httrack[0x401bb9]
======= Memory map: ========
00400000-00406000 r-xp 00000000 08:01 550251
/usr/bin/httrack
00605000-00606000 r--p 00005000 08:01 550251
/usr/bin/httrack
00606000-00607000 rw-p 00006000 08:01 550251
/usr/bin/httrack
006b7000-00a25000 rw-p 00000000 00:00 0
[heap]
7f50b0000000-7f50b0021000 rw-p 00000000 00:00 0
7f50b0021000-7f50b4000000 ---p 00000000 00:00 0
7f50b593d000-7f50b5952000 r-xp 00000000 08:01 2883588
/lib/x86_64-linux-gnu/libgcc_s.so.1
7f50b5952000-7f50b5b52000 ---p 00015000 08:01 2883588
/lib/x86_64-linux-gnu/libgcc_s.so.1
7f50b5b52000-7f50b5b53000 rw-p 00015000 08:01 2883588
/lib/x86_64-linux-gnu/libgcc_s.so.1
7f50b5b53000-7f50b5b66000 r-xp 00000000 08:01 2884151
/lib/x86_64-linux-gnu/libresolv-2.13.so
7f50b5b66000-7f50b5d65000 ---p 00013000 08:01 2884151
/lib/x86_64-linux-gnu/libresolv-2.13.so
7f50b5d65000-7f50b5d66000 r--p 00012000 08:01 2884151
/lib/x86_64-linux-gnu/libresolv-2.13.so
7f50b5d66000-7f50b5d67000 rw-p 00013000 08:01 2884151
/lib/x86_64-linux-gnu/libresolv-2.13.so
7f50b5d67000-7f50b5d69000 rw-p 00000000 00:00 0
7f50b5d69000-7f50b5d6e000 r-xp 00000000 08:01 2883609
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7f50b5d6e000-7f50b5f6d000 ---p 00005000 08:01 2883609
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7f50b5f6d000-7f50b5f6e000 r--p 00004000 08:01 2883609
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7f50b5f6e000-7f50b5f6f000 rw-p 00005000 08:01 2883609
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7f50b5f6f000-7f50b5f71000 r-xp 00000000 08:01 2884286
/lib/libnss_mdns4_minimal.so.2
7f50b5f71000-7f50b6170000 ---p 00002000 08:01 2884286
/lib/libnss_mdns4_minimal.so.2
7f50b6170000-7f50b6171000 rw-p 00001000 08:01 2884286
/lib/libnss_mdns4_minimal.so.2
7f50b6171000-7f50b617c000 r-xp 00000000 08:01 2883610
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7f50b617c000-7f50b637b000 ---p 0000b000 08:01 2883610
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7f50b637b000-7f50b637c000 r--p 0000a000 08:01 2883610
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7f50b637c000-7f50b637d000 rw-p 0000b000 08:01 2883610
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7f50b6390000-7f50b781b000 rw-p 00000000 00:00 0
7f50b781b000-7f50b781d000 r-xp 00000000 08:01 550248
/usr/lib/libhtsjava.so.2.0.46
7f50b781d000-7f50b7a1d000 ---p 00002000 08:01 550248
/usr/lib/libhtsjava.so.2.0.46
7f50b7a1d000-7f50b7a1e000 r--p 00002000 08:01 550248
/usr/lib/libhtsjava.so.2.0.46
7f50b7a1e000-7f50b7a1f000 rw-p 00003000 08:01 550248
/usr/lib/libhtsjava.so.2.0.46
7f50b7a1f000-7f50b7be9000 r-xp 00000000 08:01 526775
/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7f50b7be9000-7f50b7de9000 ---p 001ca000 08:01 526775
/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7f50b7de9000-7f50b7e04000 r--p 001ca000 08:01 526775
/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7f50b7e04000-7f50b7e13000 rw-p 001e5000 08:01 526775
/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
7f50b7e13000-7f50b7e17000 rw-p 00000000 00:00 0
7f50b7e17000-7f50b7e6d000 r-xp 00000000 08:01 526777
/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
7f50b7e6d000-7f50b806d000 ---p 00056000 08:01 526777
/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
7f50b806d000-7f50b8070000 r--p 00056000 08:01 526777
/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
7f50b8070000-7f50b8077000 rw-p 00059000 08:01 526777
/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
7f50b8077000-7f50b8079000 r-xp 00000000 08:01 2883600
/lib/x86_64-linux-gnu/libdl-2.13.so
7f50b8079000-7f50b8279000 ---p 00002000 08:01 2883600
/lib/x86_64-linux-gnu/libdl-2.13.so
7f50b8279000-7f50b827a000 r--p 00002000 08:01 2883600
/lib/x86_64-linux-gnu/libdl-2.13.so
7f50b827a000-7f50b827b000 rw-p 00003000 08:01 2883600
/lib/x86_64-linux-gnu/libdl-2.13.so
7f50b827b000-7f50b83fd000 r-xp 00000000 08:01 2883594
/lib/x86_64-linux-gnu/libc-2.13.so
7f50b83fd000-7f50b85fd000 ---p 00182000 08:01 2883594
/lib/x86_64-linux-gnu/libc-2.13.so
7f50b85fd000-7f50b8601000 r--p 00182000 08:01 2883594
/lib/x86_64-linux-gnu/libc-2.13.so
7f50b8601000-7f50b8602000 rw-p 00186000 08:01 2883594
/lib/x86_64-linux-gnu/libc-2.13.so
7f50b8602000-7f50b8607000 rw-p 00000000 00:00 0
7f50b8607000-7f50b861d000 r-xp 00000000 08:01 2883674
/lib/x86_64-linux-gnu/libz.so.1.2.7
7f50b861d000-7f50b881c000 ---p 00016000 08:01 2883674
/lib/x86_64-linux-gnu/libz.so.1.2.7
7f50b881c000-7f50b881d000 r--p 00015000 08:01 2883674
/lib/x86_64-linux-gnu/libz.so.1.2.7
7f50b881d000-7f50b881e000 rw-p 00016000 08:01 2883674
/lib/x86_64-linux-gnu/libz.so.1.2.7
7f50b881e000-7f50b88f9000 r-xp 00000000 08:01 550247
/usr/lib/libhttrack.so.2.0.46
7f50b88f9000-7f50b8af9000 ---p 000db000 08:01 550247
/usr/lib/libhttrack.so.2.0.46
7f50b8af9000-7f50b8afa000 r--p 000db000 08:01 550247
/usr/lib/libhttrack.so.2.0.46
7f50b8afa000-7f50b8afe000 rw-p 000dc000 08:01 550247
/usr/lib/libhttrack.so.2.0.46
7f50b8afe000-7f50b8b15000 r-xp 00000000 08:01 2883587
/lib/x86_64-linux-gnu/libpthread-2.13.soAborted
| 
