Copying stack trace below. Hope the whole crash report has been uploaded.
Best regards, xavier g.

Stacktrace:
 #0  malloc_consolidate (av=av@entry=0x7f55ac000020) at malloc.c:4157
         fb = <optimized out>
         maxfb = 0x7f55ac000070
         p = 0x7f55abfe0f0f
         nextp = 0x0
         unsorted_bin = 0x7f55ac000078
         first_unsorted = <optimized out>
         nextchunk = 0x7f55ac00a40f
         size = 169216
         nextsize = 4018432
         prevsize = 135168
         nextinuse = <optimized out>
         bck = <optimized out>
         fwd = <optimized out>
         __func__ = "malloc_consolidate"
 #1  0x00007f55cd942878 in _int_malloc (av=0x7f55ac000020, bytes=1816) at 
malloc.c:3423
         nb = 1824
         idx = 76
         bin = <optimized out>
         victim = <optimized out>
         size = <optimized out>
         victim_index = <optimized out>
         remainder = <optimized out>
         remainder_size = <optimized out>
         block = <optimized out>
         bit = <optimized out>
         map = <optimized out>
         fwd = <optimized out>
         bck = <optimized out>
         errstr = 0x0
         __func__ = "_int_malloc"
 #2  0x00007f55cd945230 in __GI___libc_malloc (bytes=1816) at malloc.c:2891
         ar_ptr = 0x7f55ac000020
         victim = 0x1c1
         __func__ = "__libc_malloc"
 #3  0x00007f55cd9cdb95 in __backtrace_symbols (array=0x7f55abd4e010, size=20) 
at backtracesyms.c:71
         info = 0x7f55abd4db68
         status = 0x7f55abd4db08
         cnt = <optimized out>
         total = <optimized out>
         result = <optimized out>
         __PRETTY_FUNCTION__ = "__backtrace_symbols"
 #4  0x00000000005cdcb9 in ?? ()
 No symbol table info available.
 #5  0x00000000005cedef in ?? ()
 No symbol table info available.
 #6  0x000000000045deff in ?? ()
 No symbol table info available.
 #7  0x00007f55ce9d28dc in wxFatalSignalHandler () from 
/usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
 No symbol table info available.
 #8  <signal handler called>
 No locals.
 #9  0x00007f55cc6992a7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #10 0x00007f55cc699639 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #11 0x00007f55cc69ac05 in g_source_remove () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #12 0x00007f55cf0462ba in 
GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket*, GSocketEvent) () 
from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
 No symbol table info available.
 #13 0x00007f55cec63392 in GSocket::Write(char const*, int) () from 
/usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
 No symbol table info available.
 #14 0x00007f55cec5ef69 in wxSocketBase::_Write(void const*, unsigned int) () 
from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
 No symbol table info available.
 #15 0x00007f55cec5efa4 in wxSocketBase::Write(void const*, unsigned int) () 
from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
 No symbol table info available.
 #16 0x000000000059d594 in ?? ()
 No symbol table info available.
 #17 0x00000000004a60b0 in ?? ()
 No symbol table info available.
 #18 0x00000000004a47b1 in ?? ()
 No symbol table info available.
 #19 0x00000000004860c9 in ?? ()
 No symbol table info available.
 #20 0x00000000004e8e74 in ?? ()
 No symbol table info available.
 #21 0x00007f55ce9ce863 in wxThreadInternal::PthreadStart(wxThread*) () from 
/usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
 No symbol table info available.
 #22 0x00007f55cdc90182 in start_thread (arg=0x7f55abd4f700) at 
pthread_create.c:312
         __res = <optimized out>
         pd = 0x7f55abd4f700
         now = <optimized out>
         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140005931808512, 
-4755467584429577510, 0, 0, 140005931809216, 140005931808512, 
4659669550528244442, 4659735773718424282}, mask_was_saved = 0}}, priv = {pad = 
{0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
         not_first_call = <optimized out>
         pagesize_m1 = <optimized out>
         sp = <optimized out>
         freesize = <optimized out>
         __PRETTY_FUNCTION__ = "start_thread"
 #23 0x00007f55cd9bcfbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
 No locals.
StacktraceAddressSignature: 
/usr/bin/amule:11:x86_64:/lib/x86_64-linux-gnu/libc-2.19.so+80878:/lib/x86_64-linux-gnu/libc-2.19.so+83230:/lib/x86_64-linux-gnu/libc-2.19.so+10bb95:/usr/bin/amule+1cdcb9:/usr/bin/amule+1cedef:/usr/bin/amule+5deff:/usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0.8.0+dd8dc:/lib/x86_64-linux-gnu/libglib-2.0.so.0.4000.0+462a7:/lib/x86_64-linux-gnu/libglib-2.0.so.0.4000.0+46639:/lib/x86_64-linux-gnu/libglib-2.0.so.0.4000.0+47c05:/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0.8.0+1d72ba:/usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0.8.0+22392:/usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0.8.0+1df69:/usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0.8.0+1dfa4:/usr/bin/amule+19d594
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_source_remove () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket*, GSocketEvent) () 
from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
 GSocket::Write(char const*, int) () from 
/usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
Tags:  trusty
ThreadStacktrace:
 .
 Thread 6 (Thread 0x7f55c181e700 (LWP 3995)):
 #0  0x00007f55cd9afc6d in poll () at ../sysdeps/unix/syscall-template.S:81
 No locals.
 #1  0x00007f55cc69bfe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #2  0x00007f55cc69c0ec in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #3  0x00007f55cc69c129 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #4  0x00007f55cc6c0f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #5  0x00007f55cdc90182 in start_thread (arg=0x7f55c181e700) at 
pthread_create.c:312
         __res = <optimized out>
         pd = 0x7f55c181e700
         now = <optimized out>
         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140006295463680, 
-4755467584429577510, 0, 0, 140006295464384, 140006295463680, 
4659726356302572250, 4659735773718424282}, mask_was_saved = 0}}, priv = {pad = 
{0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
         not_first_call = <optimized out>
         pagesize_m1 = <optimized out>
         sp = <optimized out>
         freesize = <optimized out>
         __PRETTY_FUNCTION__ = "start_thread"
 #6  0x00007f55cd9bcfbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
 No locals.
 .
 Thread 5 (Thread 0x7f55c2690700 (LWP 3986)):
 #0  0x00007f55cd9afc6d in poll () at ../sysdeps/unix/syscall-template.S:81
 No locals.
 #1  0x00007f55cc69bfe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #2  0x00007f55cc69c30a in g_main_loop_run () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #3  0x00007f55ca3eee16 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #4  0x00007f55cc6c0f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #5  0x00007f55cdc90182 in start_thread (arg=0x7f55c2690700) at 
pthread_create.c:312
         __res = <optimized out>
         pd = 0x7f55c2690700
         now = <optimized out>
         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140006310610688, 
-4755467584429577510, 0, 0, 140006310611392, 140006310610688, 
4659725590724651738, 4659735773718424282}, mask_was_saved = 0}}, priv = {pad = 
{0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
         not_first_call = <optimized out>
         pagesize_m1 = <optimized out>
         sp = <optimized out>
         freesize = <optimized out>
         __PRETTY_FUNCTION__ = "start_thread"
 #6  0x00007f55cd9bcfbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
 No locals.
 .
 Thread 4 (Thread 0x7f55c2e91700 (LWP 3985)):
 #0  0x00007f55cd9afc6d in poll () at ../sysdeps/unix/syscall-template.S:81
 No locals.
 #1  0x00007f55cc69bfe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #2  0x00007f55cc69c0ec in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #3  0x00007f55c2e991ad in ?? () from 
/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
 No symbol table info available.
 #4  0x00007f55cc6c0f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #5  0x00007f55cdc90182 in start_thread (arg=0x7f55c2e91700) at 
pthread_create.c:312
         __res = <optimized out>
         pd = 0x7f55c2e91700
         now = <optimized out>
         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140006319003392, 
-4755467584429577510, 0, 0, 140006319004096, 140006319003392, 
4659724503561054938, 4659735773718424282}, mask_was_saved = 0}}, priv = {pad = 
{0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
         not_first_call = <optimized out>
         pagesize_m1 = <optimized out>
         sp = <optimized out>
         freesize = <optimized out>
         __PRETTY_FUNCTION__ = "start_thread"
 #6  0x00007f55cd9bcfbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
 No locals.
 .
 Thread 3 (Thread 0x7f55c081c700 (LWP 4004)):
 #0  pthread_cond_timedwait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
 No locals.
 #1  0x00007f55ce9cd5b6 in wxConditionInternal::WaitTimeout(unsigned long) () 
from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
 No symbol table info available.
 #2  0x00007f55ce9ce148 in wxSemaphoreInternal::WaitTimeout(unsigned long) () 
from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
 No symbol table info available.
 #3  0x00000000005ca8c5 in ?? ()
 No symbol table info available.
 #4  0x00007f55ce9ce863 in wxThreadInternal::PthreadStart(wxThread*) () from 
/usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
 No symbol table info available.
 #5  0x00007f55cdc90182 in start_thread (arg=0x7f55c081c700) at 
pthread_create.c:312
         __res = <optimized out>
         pd = 0x7f55c081c700
         now = <optimized out>
         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140006278678272, 
-4755467584429577510, 0, 0, 140006278678976, 140006278678272, 
4659728552104602330, 4659735773718424282}, mask_was_saved = 0}}, priv = {pad = 
{0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
         not_first_call = <optimized out>
         pagesize_m1 = <optimized out>
         sp = <optimized out>
         freesize = <optimized out>
         __PRETTY_FUNCTION__ = "start_thread"
 #6  0x00007f55cd9bcfbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
 No locals.
 .
 Thread 2 (Thread 0x7f55d0666a00 (LWP 3981)):
 #0  __lll_lock_wait () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
 No locals.
 #1  0x00007f55cdc9268d in _L_lock_1082 () from 
/lib/x86_64-linux-gnu/libpthread.so.0
 No symbol table info available.
 #2  0x00007f55cdc92607 in __GI___pthread_mutex_lock (mutex=0xb37fd0) at 
../nptl/pthread_mutex_lock.c:134
         max_cnt = -1
         __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
         type = 4294966784
 #3  0x00007f55cc6dd991 in g_mutex_lock () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #4  0x00007f55cc69b92e in g_main_context_check () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #5  0x00007f55cc69bf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #6  0x00007f55cc69c30a in g_main_loop_run () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #7  0x00007f55cd1aa447 in gtk_main () from 
/usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
 No symbol table info available.
 #8  0x00007f55cf04528a in wxEventLoop::Run() () from 
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
 No symbol table info available.
 #9  0x00007f55cf0b6b4c in wxAppBase::MainLoop() () from 
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
 No symbol table info available.
 #10 0x00007f55ce97ce5d in wxEntry(int&, wchar_t**) () from 
/usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
 No symbol table info available.
 #11 0x0000000000447782 in ?? ()
 No symbol table info available.
 #12 0x00007f55cd8e3ec5 in __libc_start_main (main=0x447770, argc=1, 
argv=0x7fffd37a3048, init=<optimized out>, fini=<optimized out>, 
rtld_fini=<optimized out>, stack_end=0x7fffd37a3038) at libc-start.c:287
         result = <optimized out>
         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4755467584429577510, 
4543104, 140736741388352, 0, 0, 4755389547575028442, 4659735162123889370}, 
mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x6460c0, 0x7fffd37a3048}, data 
= {prev = 0x0, cleanup = 0x0, canceltype = 6578368}}}
         not_first_call = <optimized out>
 #13 0x00000000004552a9 in ?? ()
 No symbol table info available.
 .
 Thread 1 (Thread 0x7f55abd4f700 (LWP 4001)):
 #0  malloc_consolidate (av=av@entry=0x7f55ac000020) at malloc.c:4157
         fb = <optimized out>
         maxfb = 0x7f55ac000070
         p = 0x7f55abfe0f0f
         nextp = 0x0
         unsorted_bin = 0x7f55ac000078
         first_unsorted = <optimized out>
         nextchunk = 0x7f55ac00a40f
         size = 169216
         nextsize = 4018432
         prevsize = 135168
         nextinuse = <optimized out>
         bck = <optimized out>
         fwd = <optimized out>
         __func__ = "malloc_consolidate"
 #1  0x00007f55cd942878 in _int_malloc (av=0x7f55ac000020, bytes=1816) at 
malloc.c:3423
         nb = 1824
         idx = 76
--
 #3  0x00007f55cd9cdb95 in __backtrace_symbols (array=0x7f55abd4e010, size=20) 
at backtracesyms.c:71
         info = 0x7f55abd4db68
         status = 0x7f55abd4db08
         cnt = <optimized out>
         total = <optimized out>
         result = <optimized out>
         __PRETTY_FUNCTION__ = "__backtrace_symbols"
 #4  0x00000000005cdcb9 in ?? ()
 No symbol table info available.
 #5  0x00000000005cedef in ?? ()
 No symbol table info available.
 #6  0x000000000045deff in ?? ()
 No symbol table info available.
 #7  0x00007f55ce9d28dc in wxFatalSignalHandler () from 
/usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
 No symbol table info available.
 #8  <signal handler called>
 No locals.
 #9  0x00007f55cc6992a7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #10 0x00007f55cc699639 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #11 0x00007f55cc69ac05 in g_source_remove () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #12 0x00007f55cf0462ba in 
GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket*, GSocketEvent) () 
from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
 No symbol table info available.
 #13 0x00007f55cec63392 in GSocket::Write(char const*, int) () from 
/usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
 No symbol table info available.
 #14 0x00007f55cec5ef69 in wxSocketBase::_Write(void const*, unsigned int) () 
from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
 No symbol table info available.
 #15 0x00007f55cec5efa4 in wxSocketBase::Write(void const*, unsigned int) () 
from /usr/lib/x86_64-linux-gnu/libwx_baseu_net-2.8.so.0
 No symbol table info available.
 #16 0x000000000059d594 in ?? ()
 No symbol table info available.
 #17 0x00000000004a60b0 in ?? ()
 No symbol table info available.
 #18 0x00000000004a47b1 in ?? ()
 No symbol table info available.
 #19 0x00000000004860c9 in ?? ()
 No symbol table info available.
 #20 0x00000000004e8e74 in ?? ()
 No symbol table info available.
 #21 0x00007f55ce9ce863 in wxThreadInternal::PthreadStart(wxThread*) () from 
/usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0
 No symbol table info available.
 #22 0x00007f55cdc90182 in start_thread (arg=0x7f55abd4f700) at 
pthread_create.c:312
         __res = <optimized out>
         pd = 0x7f55abd4f700
         now = <optimized out>
         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140005931808512, 
-4755467584429577510, 0, 0, 140005931809216, 140005931808512, 
4659669550528244442, 4659735773718424282}, mask_was_saved = 0}}, priv = {pad = 
{0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
         not_first_call = <optimized out>
         pagesize_m1 = <optimized out>
         sp = <optimized out>
         freesize = <optimized out>
         __PRETTY_FUNCTION__ = "start_thread"
 #23 0x00007f55cd9bcfbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
 No locals.
Title: amule crashed with SIGSEGV in g_source_remove()

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https://bugs.launchpad.net/bugs/1307635

Title:
  amule crashed with SIGSEGV in g_source_remove()

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