libc.so.1`realfree+0x70(2e66ada8, ff1c2858, ff1bc008, ff1c27c8, 2e301a21, 369390)
libc.so.1`_malloc_unlocked+0x24c(1408, 0, ff1bc008, 1408, 367f78, 2)
libc.so.1`malloc+0x20(1408, 0, 0, 0, 21eec, ff199b94)
libc.so.1`_findbuf+0x94(112630, 5, ff1bc008, ffffffff, 1400, 5)
libc.so.1`_filbuf+0x54(112630, 1, 0, ff1bc008, 40, 40)
libc.so.1`getc+0xbc(112630, ff1c3a54, ff1bfcd8, 112630, 0, 0)
PerlIOStdio_read+0x1c(0, ffbed67f, 1, d87d0, 0, 0)
Perl_PerlIO_read+0x2c(122030, ffbed67f, 1, d8a20, 0, 0)
PerlIO_getc+0xc(122030, 0, 0, 7efefeff, 54e1f0, 0)
Perl_sv_gets+0x574(2a9528, 122030, 0, 0, 216fc, 40)
Perl_pp_backtick+0x208(117034, 0, 112800, 1, 290, 0)
Perl_runops_standard+0x30(112400, 301a00, 112800, 114ff4, eb478, 0)
S_run_body+0x150(1, 11250c, ffbef9c8, 0, 0, 0)
perl_run+0x90(0, 112800, 3, ffbefb04, 0, 0)
main+0x94(0, ffbefb04, ffbefb14, 111fbc, 0, 0)
_start+0x5c(0, 0, 0, 0, 0, 0)