Windows error 0x00000078, 120

arm32 asm -- fp is not set to old sp

I have a dump of an arm32 v7a function, and in its prologue I see the following: 0xef8137a4 ldr r3, [pc, #248] 0xef8137a8 strd r4, [sp, #-24]! 0xef8137ac cmp r0, #1 0xef8137b0 ldr r12, [pc, #240] 0xef8137b4 strd r6, [sp, #8] 0xef8137b8 mov r4, r0 0xef8137bc ldr r2, [pc, #232] [...] read more

Segmentation fault using pthread and arm-linux-gnueabihf-gcc

I have been trying all day to fix a segmentation fault that only occurs on one device. But from the beginning... #include <string.h> #include <stdio.h> #include <stdlib.h> #include "pthread.h" void* start_rtn(void* param); int main(int argc, char **argv) { printf("Hallo World\n"); pthread_t tid; int err = pthread_create(&tid, NULL, start_rtn, NULL); pthread_join(tid, [...] read more

mspgcc-size ROM/RAM usage in percentage

With mspgcc-size I can get an output like this: text data bss dec hex 13072 236 65296 78604 1330c We know that: Flash = data + text RAM = data + bss How can I extract the size of ROM/RAM from the selected -mmcu=msp430g2553 with the toolchain? e.g. ROM: 8192 [...] read more

LINUX KERNEL driver hangs/freeze after handling mapped register

I'm completely new developing in LINUX kernel, and I'm having some problems in a new LINUX driver I'm developing. After I map NXP PWM registers using ioremap()/ioremap_nocache() and then I try to write to the register mappend my system hags/freeze. Could you please help me understanding what it is happening? [...] read more

Cross-compiled gnu for m68k, on opening core dump file gives, no core file handler recognizes the format error

Cross compiled gdb, with configure --target=m68k-linux --program-prefix=m68k- , gives error as no core file handler recognizes the format. Details: The core file is generated on a m68k devcie and the log is analyzed on the i686-pc-linux-gnu GDB version - 7.6 Any clue on this subject? > ELf format of the [...] read more

C - Get File Bytes as Unsigned Int

I need the bytes of a BIN file converted to a unsigned int, in this format (JavaScript): p.write4(shellcode.add32(0x00000000), 0x00000be9); p.write4(shellcode.add32(0x00000004), 0x90909000); p.write4(shellcode.add32(0x00000008), 0x90909090); p.write4(shellcode.add32(0x0000000c), 0x90909090); p.write4(shellcode.add32(0x00000010), 0x0082b955); p.write4(shellcode.add32(0x00000014), 0x8948c000); p.write4(shellcode.add32(0x00000018), 0x415741e5); p.write4(shellcode.add32(0x0000001c), 0x41554156); p.write4(shellcode.add32(0x00000020), 0x83485354); p.write4(shellcode.add32(0x00000024), 0x320f18ec); p.write4(shellcode.add32(0x00000028), 0x89d58949); p.write4(shellcode.add32(0x0000002c), 0x64b948c0); p.write4(shellcode.add32(0x00000030), 0x77737069); p.write4(shellcode.add32(0x00000034), 0x49000000); p.write4(shellcode.add32(0x00000038), 0x4120e5c1); p.write4(shellcode.add32(0x0000003c), 0x000200bc); p.write4(shellcode.add32(0x00000040), [...] read more

Android FreeRDP SIGSEGV crash on samsung device

We have integrated FreeRDP in android application. Some of the devices like Samsung, We are getting SIGSEGV & SIGABRT crashes randomly. These are not reproducible issues and logs are not showing any specific method that causing the issue. I am posting some logs here. Could you please let me know [...] read more

Can i modify the previously created .so file using android NDK?

Currently I just started to using NDK and now I have some question in my mind. Is there anyway to modify previously created .so file using NDK? can we modify that .so file?I just want to change some specification and want to rebuild. Any help and suggestion will be appreciated. [...] read more

Marshaling unmanaged pointer from hooked function to managed object and calling its member functions using managed wrapper class

I have hooked QtGui4.dll's unmanaged function QPainter::drawTextItem(const QPointF &p, const QTextItem &ti); using EasyHook in C#. I have wrapped the QPointF and QTextItem classes into managed structs and can get the data from these parameters by marshaling them. However, I would like to call member functions of the unmanaged QPainter [...] read more

CUDA: use of shared memory to return an array from device functions

is it possible to allocate shared memory for a kernel (inside or extern) and use it in other device functions called from the kernel? Specially interesting for me will be, if/how i can use it as a returned parameter/array. It seems to be no problem to use shared memory as [...] read more

Information needed on two parameters in power setting GUID in Windows 10

A windows powerplan sets a number of behaviors of the system and these are enumerated as separate power setting GUIDs. For example Power Setting GUID: 7bc4a2f9-d8fc-4469-b07b-33eb785aaca0 (System unattended sleep timeout) GUID Alias: UNATTENDSLEEP Minimum Possible Setting: 0x00000000 Maximum Possible Setting: 0xffffffff Possible Settings increment: 0x00000001 Possible Settings units: Seconds Current [...] read more

How to determine processor frequency scale down to ~200 MHz due to ThermStatus

I am attempting to determine what is causing an embedded industrial computer (ARK-1550-S9A1E) with Intel 4th Gen Core i5-4300U Dual Core to scale down all the cores to around ~200 MHz from 1.90 GHz There is several utilities/tools (turbostat or msr) tools that indicate that the reason it has scaled [...] read more

Customizing Fantacy Remote .INI file

I am using Fantacy Remote to remote view other machines. I have attached the default .INI file that Fantacy Remote uses. When i connect to a machine, the client user should not have mouse and keyboard access of the Remote machine. It should be a View only remote connection. And [...] read more

Batch File to change DPI Scaling Factor

I'm trying to write a batch file that will change a users DPI settings when they first login. I've placed the file in the startup folder and it will prompt the user to logout before any changes are made to the registry. I don't want the users to be prompted [...] read more

NTP bufferoverflow in ctl_putdata()

After reading this: http://googleprojectzero.blogspot.de/2015/01/finding-and-exploiting-ntpd.html The Bug The most severe bug that turned out to be exploitable on OS X Mavericks is a buffer overflow in the code which handles control packets. Control mode responses are fragmented if they exceed the size of the buffer used to store them, as implemented [...] read more

Exception with semaphore wxwidgets

I'm using an example from WxWidget wiki to understand how to do the Inter-Thread and Inter-Process communication. I don't know why the example works but my code, very similar, doesn't at line "m_QueueCount.Wait(); // wait for semaphore (=queue count to become positive)" When I run the code an exeption is [...] read more

How can I get all frames of stack traces in "!htrace -diff" result?

It seems that "!htrace -diff" can only show 16 frames. How can I increase the frame counts in the stack traces? The following is one of the handles leaked detected by !htrace -diff. I can't read anything from it without a complete stack trace. Handle = 0x00000f7c - OPEN Thread [...] read more

Is it possible to enable checkjni on unrooted normal android device?

I want to enable checkjni on my android device. However, i am unable to set properties those were given in stackoverflow, because they use "su" or "root". Can't i enable checkjni on the device without root access? I want to see "checkJNI ON" on logcat when i use the device [...] read more