gistfile1.txt

fatal error: runtime: stack split during syscall

runtime stack:
runtime.throw(0x6a8934)
	/usr/local/go/src/pkg/runtime/panic.c:464 +0x5c
runtime.newstack()
	/usr/local/go/src/pkg/runtime/stack.c:261 +0x5bc
runtime.morestack()
	/usr/local/go/src/pkg/runtime/asm_arm.s:212 +0x44

goroutine 1 [stack split]:
runtime: unexpected return pc for runtime.sigpanic called from 0x40219864
runtime.sigpanic()
	/usr/local/go/src/pkg/runtime/os_linux.c:219 fp=0xbe97e784

goroutine 3 [syscall]:
runtime.goexit()
	/usr/local/go/src/pkg/runtime/proc.c:1394

goroutine 4 [syscall]:
os/signal.loop()
	/usr/local/go/src/pkg/os/signal/signal_unix.go:21 +0x24
created by os/signal.init·1
	/usr/local/go/src/pkg/os/signal/signal_unix.go:27 +0x48

gistfile2.txt

fatal error: runtime: stack split during syscall

runtime stack:
runtime.throw(0x6a8934)
	/usr/local/go/src/pkg/runtime/panic.c:464 +0x5c
runtime.newstack()
	/usr/local/go/src/pkg/runtime/stack.c:261 +0x5bc
runtime.morestack()
	/usr/local/go/src/pkg/runtime/asm_arm.s:212 +0x44

goroutine 1 [stack split]:
runtime: unexpected return pc for runtime.sigpanic called from 0x401a7864
runtime.sigpanic()
	/usr/local/go/src/pkg/runtime/os_linux.c:219 fp=0xbe8d9774

goroutine 2 [syscall]:
runtime.notetsleepg(0x40025f9c, 0xf8475800, 0xd)
	/usr/local/go/src/pkg/runtime/lock_futex.c:189 +0x40
runtime.MHeap_Scavenger()
	/usr/local/go/src/pkg/runtime/mheap.c:463 +0xe4
runtime.goexit()
	/usr/local/go/src/pkg/runtime/proc.c:1394
created by runtime.main
	/usr/local/go/src/pkg/runtime/proc.c:179

goroutine 3 [syscall]:
runtime.goexit()
	/usr/local/go/src/pkg/runtime/proc.c:1394

goroutine 4 [syscall]:
runtime.notetsleepg(0x6ab870, 0xffffffff, 0xffffffff)
	/usr/local/go/src/pkg/runtime/lock_futex.c:189 +0x40
runtime.signal_recv(0x0)
	/usr/local/go/src/pkg/runtime/sigqueue.goc:110 +0x110
os/signal.loop()
	/usr/local/go/src/pkg/os/signal/signal_unix.go:21 +0x24
runtime.goexit()
	/usr/local/go/src/pkg/runtime/proc.c:1394
created by os/signal.init·1
	/usr/local/go/src/pkg/os/signal/signal_unix.go:27 +0x48

gistfile3.cpp

void
_wrap_add_torrent_params_name_get(void *swig_v)
{
  libtorrent::add_torrent_params *arg1 = (libtorrent::add_torrent_params *) 0 ;
  std::string *result = 0 ;
  
  struct swigargs {
    libtorrent::add_torrent_params *arg1;
    long : 0;
    _gostring_ result;
  } __attribute__((__packed__)) *swig_a = (struct swigargs *) swig_v;
  
  arg1 = *(libtorrent::add_torrent_params **)&swig_a->arg1; 
  
  result = (std::string *) & ((arg1)->name);
  swig_a->result = _swig_makegostring((*result).data(), (*result).length()); 
}

gistfile4.cpp

#ifdef __cplusplus
extern "C" {
#endif
void (*crosscall2)(void (*fn)(void *, int), void *, int) = NULL;
void (*_cgo_allocate)(void *, int) = NULL;
void (*_cgo_panic)(void *, int) = NULL;
#ifdef __cplusplus
}
#endif


#include <dlfcn.h>
void _ensure_cgo() {
  if (crosscall2 == NULL) {
    void *handle = dlopen(NULL, RTLD_LAZY);
    printf("handle=0x%x\n", handle);

    crosscall2 = (void (*)(void (*fn)(void *, int), void *, int))dlsym(handle, "crosscall2");
    printf("crosscall2=0x%x\n", crosscall2);

    _cgo_allocate = (void (*)(void *, int))dlsym(handle, "_cgo_allocate");
    printf("_cgo_allocate=0x%x\n", _cgo_allocate);

    _cgo_panic = (void (*)(void *, int))dlsym(handle, "_cgo_panic");
    printf("_cgo_panic=0x%x\n", _cgo_panic);
  }
}


static void *_swig_goallocate(size_t len) {
  _ensure_cgo();

  struct {
    size_t len;
    void *ret;
  } __attribute__((__packed__)) a;
  a.len = len;
  crosscall2(_cgo_allocate, &a, (int) sizeof a);
  return a.ret;
}

static void _swig_gopanic(const char *p) {
  _ensure_cgo();

  struct {
    const char *p;
  } __attribute__((__packed__)) a;
  a.p = p;
  crosscall2(_cgo_panic, &a, (int) sizeof a);
}

static _gostring_ _swig_makegostring(const char *p, size_t l) {
  _gostring_ ret;
  ret.p = (char*)_swig_goallocate(l + 1);
  memcpy(ret.p, p, l);
  ret.n = l;
  return ret;
}

gistfile5.txt

$ arm-linux-androideabi-readelf -Ws build/android_arm/torrent2http | grep -E 'crosscall2|_cgo_allocate|_cgo_panic'
     1: 001d6d70     0 FUNC    GLOBAL DEFAULT   11 crosscall2
     2: 001d6ca0     0 FUNC    GLOBAL DEFAULT   11 _cgo_allocate
     3: 001d6d40     0 FUNC    GLOBAL DEFAULT   11 _cgo_panic
 28359: 001d6ca0    48 FUNC    GLOBAL DEFAULT    1 _cgo_allocate
 28360: 001d6d40    48 FUNC    GLOBAL DEFAULT    1 _cgo_panic
 28361: 001d6d70    20 FUNC    GLOBAL DEFAULT    1 crosscall2

gistfile6.txt

handle=0x400e6ac0
crosscall2=0x1e6d70
_cgo_allocate=0x1e6ca0
_cgo_panic=0x1e6d40
SIGSEGV: segmentation violation
PC=0x28

runtime.cgocall(0x40202034, 0x70a06df0)
	/usr/local/go/src/pkg/runtime/cgocall.c:148 +0x108 fp=0x70a06de0
github.com/steeve/libtorrent-go._swig_wrap_add_torrent_params_name_get(0x2574a48, 0x2572f10, 0x1, 0x2ce5c)
	/Users/steeve/projects/go/src/github.com/steeve/libtorrent-go/libtorrent_gc.c:6168 +0x38 fp=0x70a06dec
github.com/steeve/libtorrent-go.SwigcptrAdd_torrent_params.GetName(0x2574a48, 0x1, 0x1)
	/Users/steeve/projects/go/src/github.com/steeve/libtorrent-go/libtorrent.go:3638 +0x2c fp=0x70a06dfc
main.main()
	/Users/steeve/projects/go/src/github.com/steeve/torrent2http/torrent2http.go:290 +0x904 fp=0x70a06f8c
runtime.main()
	/usr/local/go/src/pkg/runtime/proc.c:220 +0x100 fp=0x70a06fc0
runtime.goexit()
	/usr/local/go/src/pkg/runtime/proc.c:1394 fp=0x70a06fc0

goroutine 3 [syscall]:
runtime.goexit()
	/usr/local/go/src/pkg/runtime/proc.c:1394

goroutine 4 [syscall]:
os/signal.loop()
	/usr/local/go/src/pkg/os/signal/signal_unix.go:21 +0x24
created by os/signal.init·1
	/usr/local/go/src/pkg/os/signal/signal_unix.go:27 +0x48

trap    0xe
error   0x80000007
oldmask 0x0
r0      0x1e6ca0
r1      0xbe883780
r2      0x8
r3      0x1e6d70
r4      0x27
r5      0xbe8837a0
r6      0x405e7d10
r7      0x2574c04
r8      0x508f0824
r9      0x6ade60
r10     0x6abad0
fp      0x0
ip      0x4000
sp      0xbe8837ac
lr      0x401fa8ec
pc      0x28
cpsr    0x80000010
fault   0x28