Backtrace I got: (gdb) bt full #0 __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44 No locals. #1 0xb6c77e5e in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 _a1 = 0 _a3tmp = 6 _a1tmp = 0 _a3 = 6 _nametmp = 268 _a2tmp = 4227 _a2 = 4227 _name = 268 _sys_result = pd = 0xb6731450 pid = 0 selftid = 4227 #2 0xb6c78b4e in __GI_abort () at abort.c:89 save_stage = 2 act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0 }}, sa_flags = 0, sa_restorer = 0xb6730c98} sigs = {__val = {32, 0 }} #3 0xb6ca13f8 in __libc_message (do_abort=, fmt=0xb6d1f638 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175 ap = {__ap = 0xb6730ce4} fd = 2 on_2 = list = nlist = cp = written = #4 0xb6ca5296 in malloc_printerr (action=1, str=0xb6d1f76c "double free or corruption (!prev)", ptr=) at malloc.c:4996 buf = "01d78008" cp = #5 0xb6ca5d76 in _int_free (av=, p=, have_lock=0) at malloc.c:3840 size = fb = nextchunk = nextsize = nextinuse = prevsize = bck = fwd = errstr = locked = __func__ = "_int_free" #6 0x0003a652 in deallocate (this=0x1d7f6a8, __p=) at /usr/include/c++/4.9/ext/new_allocator.h:110 No locals. #7 deallocate (__a=..., __n=, __p=) at /usr/include/c++/4.9/bits/alloc_traits.h:383 No locals. #8 _M_deallocate (this=0x1d7f6a8, __n=, __p=) at /usr/include/c++/4.9/bits/stl_vector.h:178 No locals. #9 std::vector >::_M_default_append (this=this@entry=0x1d7f6a8, __n=__n@entry=896) at /usr/include/c++/4.9/bits/vector.tcc:578 __new_start = 0xb3c00468 "\350\235\327\001 \233\327\001" __new_finish = 0xb3c00868 "" #10 0x0004657e in _M_default_append (__n=896, this=0x1d7f6a8) at /usr/include/c++/4.9/bits/vector.tcc:545 No locals. #11 resize (__new_size=, this=0x1d7f6a8) at /usr/include/c++/4.9/bits/stl_vector.h:676 No locals. #12 boost::asio::basic_streambuf >::reserve (this=this@entry=0x1d7f684, n=n@entry=1024) at /usr/include/boost/asio/basic_streambuf.hpp:325 gnext = pnext = 0 pend = 1024 #13 0x00049570 in prepare (n=1024, this=0x1d7f684) at /usr/include/boost/asio/basic_streambuf.hpp:207 No locals. #14 MtpDaemon::read_more_notify (this=0x1d7f628) at /build/buildd/mtp-0.0.4+15.04.20141113/server/server.cpp:191 __PRETTY_FUNCTION__ = "void MtpDaemon::read_more_notify()" #15 0xb6f035de in ?? () from /usr/lib/arm-linux-gnueabihf/libboost_thread.so.1.55.0 No symbol table info available. #16 0xb6ea7f98 in start_thread (arg=0xb6731450) at pthread_create.c:311