*** Error in `./moo': double free or corruption (fasttop): 0x000000000126e1f0 *** ======= Backtrace: ========= /lib64/libc.so.6(+0x77d75)[0x7fd47a838d75] /lib64/libc.so.6(+0x801ca)[0x7fd47a8411ca] /lib64/libc.so.6(cfree+0x4c)[0x7fd47a84472c] ./moo[0x455735] ./moo[0x443e10] ./moo[0x45dae2] ./moo[0x444a0a] ./moo[0x421d4f] ./moo[0x44c685] ./moo[0x4412cc] ./moo[0x4369fa] ./moo[0x43bdc1] ./moo[0x43c1b1] ./moo[0x43c523] ./moo[0x45be2f] ./moo[0x45aa96] ./moo[0x454e0e] /lib64/libc.so.6(__libc_start_main+0xf0)[0x7fd47a7e1580] ./moo[0x403699] ======= Memory map: ======== 00400000-00489000 r-xp 00000000 09:02 134217870 /home/con/old/moo 00688000-00689000 r--p 00088000 09:02 134217870 /home/con/old/moo 00689000-0068b000 rw-p 00089000 09:02 134217870 /home/con/old/moo 0068b000-00695000 rw-p 00000000 00:00 0 0123e000-12944000 rw-p 00000000 00:00 0 [heap] 7fd474000000-7fd474021000 rw-p 00000000 00:00 0 7fd474021000-7fd478000000 ---p 00000000 00:00 0 7fd478207000-7fd478282000 r-xp 00000000 09:01 67502397 /usr/lib64/libfreeblpriv3.so 7fd478282000-7fd478481000 ---p 0007b000 09:01 67502397 /usr/lib64/libfreeblpriv3.so 7fd478481000-7fd478483000 r--p 0007a000 09:01 67502397 /usr/lib64/libfreeblpriv3.so 7fd478483000-7fd478484000 rw-p 0007c000 09:01 67502397 /usr/lib64/libfreeblpriv3.so 7fd478484000-7fd478488000 rw-p 00000000 00:00 0 7fd478488000-7fd4784f7000 r-xp 00000000 09:01 67150080 /usr/lib64/libpcre.so.1.2.6 7fd4784f7000-7fd4786f6000 ---p 0006f000 09:01 67150080 /usr/lib64/libpcre.so.1.2.6 7fd4786f6000-7fd4786f7000 r--p 0006e000 09:01 67150080 /usr/lib64/libpcre.so.1.2.6 7fd4786f7000-7fd4786f8000 rw-p 0006f000 09:01 67150080 /usr/lib64/libpcre.so.1.2.6 7fd4786f8000-7fd478717000 r-xp 00000000 09:01 67152325 /usr/lib64/libselinux.so.1 7fd478717000-7fd478917000 ---p 0001f000 09:01 67152325 /usr/lib64/libselinux.so.1 7fd478917000-7fd478918000 r--p 0001f000 09:01 67152325 /usr/lib64/libselinux.so.1 7fd478918000-7fd478919000 rw-p 00020000 09:01 67152325 /usr/lib64/libselinux.so.1 7fd478919000-7fd47891b000 rw-p 00000000 00:00 0 7fd47891b000-7fd478932000 r-xp 00000000 09:01 67204333 /usr/lib64/libresolv-2.22.so 7fd478932000-7fd478b32000 ---p 00017000 09:01 67204333 /usr/lib64/libresolv-2.22.so 7fd478b32000-7fd478b33000 r--p 00017000 09:01 67204333 /usr/lib64/libresolv-2.22.so 7fd478b33000-7fd478b34000 rw-p 00018000 09:01 67204333 /usr/lib64/libresolv-2.22.so 7fd478b34000-7fd478b36000 rw-p 00000000 00:00 0 7fd478b36000-7fd478b39000 r-xp 00000000 09:01 67151543 /usr/lib64/libkeyutils.so.1.5 7fd478b39000-7fd478d38000 ---p 00003000 09:01 67151543 /usr/lib64/libkeyutils.so.1.5 7fd478d38000-7fd478d39000 r--p 00002000 09:01 67151543 /usr/lib64/libkeyutils.so.1.5 7fd478d39000-7fd478d3a000 rw-p 00000000 00:00 0 7fd478d3a000-7fd478d47000 r-xp 00000000 09:01 67163947 /usr/lib64/libkrb5support.so.0.1 7fd478d47000-7fd478f47000 ---p 0000d000 09:01 67163947 /usr/lib64/libkrb5support.so.0.1 7fd478f47000-7fd478f48000 r--p 0000d000 09:01 67163947 /usr/lib64/libkrb5support.so.0.1 7fd478f48000-7fd478f49000 rw-p 0000e000 09:01 67163947 /usr/lib64/libkrb5support.so.0.1 7fd478f49000-7fd478f79000 r-xp 00000000 09:01 67151528 /usr/lib64/libk5crypto.so.3.1 7fd478f79000-7fd479178000 ---p 00030000 09:01 67151528 /usr/lib64/libk5crypto.so.3.1 7fd479178000-7fd47917a000 r--p 0002f000 09:01 67151528 /usr/lib64/libk5crypto.so.3.1 7fd47917a000-7fd47917b000 rw-p 00031000 09:01 67151528 /usr/lib64/libk5crypto.so.3.1 7fd47917b000-7fd47917e000 r-xp 00000000 09:01 67151011 /usr/lib64/libcom_err.so.2.1 7fd47917e000-7fd47937d000 ---p 00003000 09:01 67151011 /usr/lib64/libcom_err.so.2.1 7fd47937d000-7fd47937e000 r--p 00002000 09:01 67151011 /usr/lib64/libcom_err.so.2.1 7fd47937e000-7fd47937f000 rw-p 00003000 09:01 67151011 /usr/lib64/libcom_err.so.2.1 7fd47937f000-7fd479456000 r-xp 00000000 09:01 67163808 /usr/lib64/libkrb5.so.3.3 7fd479456000-7fd479655000 ---p 000d7000 09:01 67163808 /usr/lib64/libkrb5.so.3.3 7fd479655000-7fd479665000 r--p 000d6000 09:01 67163808 /usr/lib64/libkrb5.so.3.3 7fd479665000-7fd479667000 rw-p 000e6000 09:01 67163808 /usr/lib64/libkrb5.so.3.3 7fd479667000-7fd4796b2000 r-xp 00000000 09:01 67151805 /usr/lib64/libgssapi_krb5.so.2.2 7fd4796b2000-7fd4798b2000 ---p 0004b000 09:01 67151805 /usr/lib64/libgssapi_krb5.so.2.2 7fd4798b2000-7fd4798b4000 r--p 0004b000 09:01 67151805 /usr/lib64/libgssapi_krb5.so.2.2 7fd4798b4000-7fd4798b5000 rw-p 0004d000 09:01 67151805 /usr/lib64/libgssapi_krb5.so.2.2 7fd4798b5000-7fd4798b7000 r-xp 00000000 09:01 67153925 /usr/lib64/libfreebl3.so 7fd4798b7000-7fd479ab6000 ---p 00002000 09:01 67153925 /usr/lib64/libfreebl3.so 7fd479ab6000-7fd479ab7000 r--p 00001000 09:01 67153925 /usr/lib64/libfreebl3.so 7fd479ab7000-7fd479ab8000 rw-p 00002000 09:01 67153925 /usr/lib64/libfreebl3.so 7fd479ab8000-7fd479abb000 r-xp 00000000 09:01 67157059 /usr/lib64/libdl-2.22.so 7fd479abb000-7fd479cba000 ---p 00003000 09:01 67157059 /usr/lib64/libdl-2.22.so 7fd479cba000-7fd479cbb000 r--p 00002000 09:01 67157059 /usr/lib64/libdl-2.22.so 7fd479cbb000-7fd479cbc000 rw-p 00003000 09:01 67157059 /usr/lib64/libdl-2.22.so 7fd479cbc000-7fd479eef000 r-xp 00000000 09:01 67152317 /usr/lib64/libcrypto.so.1.0.2h 7fd479eef000-7fd47a0ef000 ---p 00233000 09:01 67152317 /usr/lib64/libcrypto.so.1.0.2h 7fd47a0ef000-7fd47a10b000 r--p 00233000 09:01 67152317 /usr/lib64/libcrypto.so.1.0.2h 7fd47a10b000-7fd47a118000 rw-p 0024f000 09:01 67152317 /usr/lib64/libcrypto.so.1.0.2h 7fd47a118000-7fd47a11c000 rw-p 00000000 00:00 0 7fd47a11c000-7fd47a183000 r-xp 00000000 09:01 67152346 /usr/lib64/libssl.so.1.0.2h 7fd47a183000-7fd47a383000 ---p 00067000 09:01 67152346 /usr/lib64/libssl.so.1.0.2h 7fd47a383000-7fd47a387000 r--p 00067000 09:01 67152346 /usr/lib64/libssl.so.1.0.2h 7fd47a387000-7fd47a38e000 rw-p 0006b000 09:01 67152346 /usr/lib64/libssl.so.1.0.2h 7fd47a38e000-7fd47a3a3000 r-xp 00000000 09:01 67150076 /usr/lib64/libz.so.1.2.8 7fd47a3a3000-7fd47a5a2000 ---p 00015000 09:01 67150076 /usr/lib64/libz.so.1.2.8 7fd47a5a2000-7fd47a5a3000 r--p 00014000 09:01 67150076 /usr/lib64/libz.so.1.2.8 7fd47a5a3000-7fd47a5a4000 rw-p 00015000 09:01 67150076 /usr/lib64/libz.so.1.2.8 7fd47a5a4000-7fd47a5bc000 r-xp 00000000 09:01 67204325 /usr/lib64/libpthread-2.22.so 7fd47a5bc000-7fd47a7bb000 ---p 00018000 09:01 67204325 /usr/lib64/libpthread-2.22.so 7fd47a7bb000-7fd47a7bc000 r--p 00017000 09:01 67204325 /usr/lib64/libpthread-2.22.so 7fd47a7bc000-7fd47a7bd000 rw-p 00018000 09:01 67204325 /usr/lib64/libpthread-2.22.so 7fd47a7bd000-7fd47a7c1000 rw-p 00000000 00:00 0 7fd47a7c1000-7fd47a978000 r-xp 00000000 09:01 67154076 /usr/lib64/libc-2.22.so 7fd47a978000-7fd47ab78000 ---p 001b7000 09:01 67154076 /usr/lib64/libc-2.22.so 7fd47ab78000-7fd47ab7c000 r--p 001b7000 09:01 67154076 /usr/lib64/libc-2.22.so 7fd47ab7c000-7fd47ab7e000 rw-p 001bb000 09:01 67154076 /usr/lib64/libc-2.22.so 7fd47ab7e000-7fd47ab82000 rw-p 00000000 00:00 0 7fd47ab82000-7fd47ab98000 r-xp 00000000 09:01 67151672 /usr/lib64/libgcc_s-5.3.1-20160406.so.1 7fd47ab98000-7fd47ad97000 ---p 00016000 09:01 67151672 /usr/lib64/libgcc_s-5.3.1-20160406.so.1 7fd47ad97000-7fd47ad98000 r--p 00015000 09:01 67151672 /usr/lib64/libgcc_s-5.3.1-20160406.so.1 7fd47ad98000-7fd47ad99000 rw-p 00016000 09:01 67151672 /usr/lib64/libgcc_s-5.3.1-20160406.so.1 7fd47ad99000-7fd47ae9a000 r-xp 00000000 09:01 67157188 /usr/lib64/libm-2.22.so 7fd47ae9a000-7fd47b099000 ---p 00101000 09:01 67157188 /usr/lib64/libm-2.22.so 7fd47b099000-7fd47b09a000 r--p 00100000 09:01 67157188 /usr/lib64/libm-2.22.so 7fd47b09a000-7fd47b09b000 rw-p 00101000 09:01 67157188 /usr/lib64/libm-2.22.so 7fd47b09b000-7fd47b20d000 r-xp 00000000 09:01 67152262 /usr/lib64/libstdc++.so.6.0.21 7fd47b20d000-7fd47b40d000 ---p 00172000 09:01 67152262 /usr/lib64/libstdc++.so.6.0.21 7fd47b40d000-7fd47b417000 r--p 00172000 09:01 67152262 /usr/lib64/libstdc++.so.6.0.21 7fd47b417000-7fd47b419000 rw-p 0017c000 09:01 67152262 /usr/lib64/libstdc++.so.6.0.21 7fd47b419000-7fd47b41d000 rw-p 00000000 00:00 0 7fd47b41d000-7fd47b424000 r-xp 00000000 09:01 67157048 /usr/lib64/libcrypt-2.22.so 7fd47b424000-7fd47b623000 ---p 00007000 09:01 67157048 /usr/lib64/libcrypt-2.22.so 7fd47b623000-7fd47b624000 r--p 00006000 09:01 67157048 /usr/lib64/libcrypt-2.22.so 7fd47b624000-7fd47b625000 rw-p 00007000 09:01 67157048 /usr/lib64/libcrypt-2.22.so 7fd47b625000-7fd47b653000 rw-p 00000000 00:00 0 7fd47b653000-7fd47b94e000 r-xp 00000000 09:01 101152312 /usr/lib64/mysql/libmysqlclient.so.18.0.0 7fd47b94e000-7fd47bb4d000 ---p 002fb000 09:01 101152312 /usr/lib64/mysql/libmysqlclient.so.18.0.0 7fd47bb4d000-7fd47bb55000 r--p 002fa000 09:01 101152312 /usr/lib64/mysql/libmysqlclient.so.18.0.0 7fd47bb55000-7fd47bbbb000 rw-p 00302000 09:01 101152312 /usr/lib64/mysql/libmysqlclient.so.18.0.0 7fd47bbbb000-7fd47bbc4000 rw-p 00000000 00:00 0 7fd47bbc4000-7fd47bbe5000 r-xp 00000000 09:01 67155027 /usr/lib64/ld-2.22.so 7fd47bc4b000-7fd47bd4c000 rw-p 00000000 00:00 0 7fd47bdce000-7fd47bdda000 rw-p 00000000 00:00 0 7fd47bde2000-7fd47bde4000 rw-p 00000000 00:00 0 7fd47bde4000-7fd47bde5000 r--p 00020000 09:01 67155027 /usr/lib64/ld-2.22.so 7fd47bde5000-7fd47bde6000 rw-p 00021000 09:01 67155027 /usr/lib64/ld-2.22.so 7fd47bde6000-7fd47bde7000 rw-p 00000000 00:00 0 7ffd573d6000-7ffd573f7000 rw-p 00000000 00:00 0 [stack] 7ffd573f7000-7ffd573f9000 r--p 00000000 00:00 0 [vvar] 7ffd573f9000-7ffd573fb000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]