vusec / ridl Goto Github PK

$ taskset -c 0 ./leak
Segmentation fault (core dumped)
$ dmesg
[…]
[91284.376146] leak[23989]: segfault at ffffffffffffffff ip 00000000004010b5 sp 00007ffd8ad55f40 error 7 in leak[401000+1000]
[91284.376167] Code: 00 00 be 00 00 10 00 48 83 ec 68 31 ff e8 b3 ff ff ff b9 00 00 10 00 48 89 05 57 df 00 00 48 89 c7 88 d8 45 31 c9 41 83 c8 ff <f3> aa ba 03 00 00 00 b9 22 80 04 00 be 00 00 10 00 31 ff e8 83 ff
[…]

Setting up cmake (2.8.12.2-0ubuntu3) ...
username@www:~/software/ridl/build$ cmake ..
CMake Error at CMakeLists.txt:1 (cmake_minimum_required):
  CMake 3.1 or higher is required.  You are running version 2.8.12.2


-- Configuring incomplete, errors occurred!
username@www:~/software/ridl/build$

cmake ridl

Determining if the pthread_create exist failed with the following output:
Change Dir: /root/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_1b36d/fast"
/usr/bin/make -f CMakeFiles/cmTC_1b36d.dir/build.make CMakeFiles/cmTC_1b36d.dir/build
make[1]: Entering directory '/root/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_1b36d.dir/CheckSymbolExists.c.o
/usr/bin/cc    -o CMakeFiles/cmTC_1b36d.dir/CheckSymbolExists.c.o   -c /root/CMakeFiles/CMakeTmp/CheckSymbolExists.c
Linking C executable cmTC_1b36d
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_1b36d.dir/link.txt --verbose=1
/usr/bin/cc      -rdynamic CMakeFiles/cmTC_1b36d.dir/CheckSymbolExists.c.o  -o cmTC_1b36d
CMakeFiles/cmTC_1b36d.dir/CheckSymbolExists.c.o: In function `main':
CheckSymbolExists.c:(.text+0x1b): undefined reference to `pthread_create'
collect2: error: ld returned 1 exit status
CMakeFiles/cmTC_1b36d.dir/build.make:97: recipe for target 'cmTC_1b36d' failed
make[1]: *** [cmTC_1b36d] Error 1
make[1]: Leaving directory '/root/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_1b36d/fast' failed
make: *** [cmTC_1b36d/fast] Error 2

File /root/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <pthread.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef pthread_create
  return ((int*)(&pthread_create))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the function pthread_create exists in the pthreads failed with the following output:
Change Dir: /root/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_3f22c/fast"
/usr/bin/make -f CMakeFiles/cmTC_3f22c.dir/build.make CMakeFiles/cmTC_3f22c.dir/build
make[1]: Entering directory '/root/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_3f22c.dir/CheckFunctionExists.c.o
/usr/bin/cc   -DCHECK_FUNCTION_EXISTS=pthread_create   -o CMakeFiles/cmTC_3f22c.dir/CheckFunctionExists.c.o   -c /usr/share/cmake-3.10/Modules/CheckFunctionExists.c
Linking C executable cmTC_3f22c
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_3f22c.dir/link.txt --verbose=1
/usr/bin/cc  -DCHECK_FUNCTION_EXISTS=pthread_create    -rdynamic CMakeFiles/cmTC_3f22c.dir/CheckFunctionExists.c.o  -o cmTC_3f22c -lpthreads
/usr/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
CMakeFiles/cmTC_3f22c.dir/build.make:97: recipe for target 'cmTC_3f22c' failed
make[1]: *** [cmTC_3f22c] Error 1
make[1]: Leaving directory '/root/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_3f22c/fast' failed
make: *** [cmTC_3f22c/fast] Error 2

cmake .. -DCMAKE_CXX_FLAGS=-m32 -DCMAKE_C_FLAGS=-m32

# ./mdstool-cli
System:
 * Operating System: Linux 2.6.32-754.24.3.el6.i686
 * Processor:         Intel(R) Atom(TM) CPU N2800   @ 1.86GHz
 * Microarchitecture: Unknown
 * Microcode: 269
 * Memory: 3.81 GiB

[snip]

Speculative Store Bypass:
 * Status: Not Affected
 * Speculative Store Bypass Disable: Not Required

Speculative Store Bypass:
 * Status: Vulnerable
 * Speculative Store Bypass Disable: Not Available

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */

--- CMakeLists.txt.orig 2019-05-23 06:02:35 UTC
+++ CMakeLists.txt
@@ -86,7 +86,7 @@ if (${CMAKE_SYSTEM_NAME} STREQUAL Windows)
                source/msw/image.c
                source/msw/window.c)
        set(BUILD_GUI 1)
-elseif (${CMAKE_SYSTEM_NAME} STREQUAL Linux)
+elseif (${CMAKE_SYSTEM_NAME} STREQUAL Linux OR ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD|DragonFly")
        list(APPEND SOURCES
                source/linux/l1tf.c
                source/linux/meltdown.c

root@localhost:~/ridl/build# make
Scanning dependencies of target mdstool-cli
[  4%] Building C object CMakeFiles/mdstool-cli.dir/source/bitmap.c.o
[  8%] Building C object CMakeFiles/mdstool-cli.dir/source/human.c.o
[ 12%] Building C object CMakeFiles/mdstool-cli.dir/source/system.c.o
[ 16%] Building C object CMakeFiles/mdstool-cli.dir/source/topology.c.o
[ 20%] Building C object CMakeFiles/mdstool-cli.dir/source/x86/gcc/cpuid.c.o
/root/ridl/source/x86/gcc/cpuid.c: In function ‘cpuidex’:
/root/ridl/source/x86/gcc/cpuid.c:12:2: warning: implicit declaration of function ‘__get_cpuid_count’ [-Wimplicit-function-declaration]
  __get_cpuid_count(leaf, subleaf, regs + 0, regs + 1, regs + 2, regs + 3);
  ^
[ 24%] Building C object CMakeFiles/mdstool-cli.dir/source/linux/l1tf.c.o
[ 28%] Building C object CMakeFiles/mdstool-cli.dir/source/linux/meltdown.c.o
[ 32%] Building C object CMakeFiles/mdstool-cli.dir/source/linux/memory.c.o
[ 36%] Building C object CMakeFiles/mdstool-cli.dir/source/linux/microcode.c.o
[ 40%] Building C object CMakeFiles/mdstool-cli.dir/source/linux/spectre.c.o
[ 44%] Building C object CMakeFiles/mdstool-cli.dir/source/linux/ssb.c.o
[ 48%] Building C object CMakeFiles/mdstool-cli.dir/source/linux/topology.c.o
[ 52%] Building C object CMakeFiles/mdstool-cli.dir/source/linux/vuln.c.o
[ 56%] Building C object CMakeFiles/mdstool-cli.dir/source/unix/os.c.o
[ 60%] Building C object CMakeFiles/mdstool-cli.dir/source/x86/cpuid.c.o
[ 64%] Building C object CMakeFiles/mdstool-cli.dir/source/x86/meltdown.c.o
[ 68%] Building C object CMakeFiles/mdstool-cli.dir/source/x86/ridl.c.o
[ 72%] Building C object CMakeFiles/mdstool-cli.dir/source/cli/l1tf.c.o
[ 76%] Building C object CMakeFiles/mdstool-cli.dir/source/cli/main.c.o
[ 80%] Building C object CMakeFiles/mdstool-cli.dir/source/cli/meltdown.c.o
[ 84%] Building C object CMakeFiles/mdstool-cli.dir/source/cli/ridl.c.o
[ 88%] Building C object CMakeFiles/mdstool-cli.dir/source/cli/spectre.c.o
[ 92%] Building C object CMakeFiles/mdstool-cli.dir/source/cli/ssb.c.o
[ 96%] Building C object CMakeFiles/mdstool-cli.dir/source/cli/system.c.o
[100%] Linking C executable mdstool-cli
CMakeFiles/mdstool-cli.dir/source/x86/gcc/cpuid.c.o: In function `cpuidex':
cpuid.c:(.text+0x11f): undefined reference to `__get_cpuid_count'
collect2: error: ld returned 1 exit status
CMakeFiles/mdstool-cli.dir/build.make:692: recipe for target 'mdstool-cli' failed
make[2]: *** [mdstool-cli] Error 1
CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/mdstool-cli.dir/all' failed
make[1]: *** [CMakeFiles/mdstool-cli.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2