会产生core

[GoogleCodeExporter]

基于 gcc4.8, gtest1.6测试会产生core

$ ./test_attach                                                                 

[/home/google/bhook-1.0.0/test/unittest/simple]
[==========] Running 2 tests from 1 test case.
[----------] Global test environment set-up.
[----------] 2 tests from MyLib
[ RUN      ] MyLib.case1
test_attach.cpp:26: Failure
Value of: ret
  Actual: -1
Expected: 1
[  FAILED  ] MyLib.case1 (10 ms)
[ RUN      ] MyLib.case2
[mylib.cpp][16] str:cmd2
[       OK ] MyLib.case2 (0 ms)
[----------] 2 tests from MyLib (10 ms total)

[----------] Global test environment tear-down
[==========] 2 tests from 1 test case ran. (10 ms total)
[  PASSED  ] 1 test.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] MyLib.case1

 1 FAILED TEST
[1]    16010 segmentation fault (core dumped)  ./test_attach

Original issue reported on code.google.com by [email protected] on 23 Jul 2013 at 7:53

[GoogleCodeExporter]

通过gdb,应该是bhook和gtest 
结合时，gtest存在某种机制，当离开main函数时，收场，调用��
�bhook框架，导致两次free内存，导致！

(gdb) run
Starting program: /home/google/bhook-1.0.0/test/unittest/simple/test_enable 
warning: no loadable sections found in added symbol-file system-supplied DSO at 
0x7ffff7ffa000
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Breakpoint 1, main (argc=1, argv=0x7fffffffe238) at test_enable.cpp:48
48              testing::InitGoogleTest(&argc, argv);
(gdb) n
50              testing::GTEST_FLAG(color) = "yes";
(gdb) 
52              attach_func_lib("func", (void *)my_func);
(gdb) 
[New Thread 0x7ffff5497700 (LWP 16050)]
54              return RUN_ALL_TESTS();
(gdb) 
[==========] Running 2 tests from 1 test case.
[----------] Global test environment set-up.
[----------] 2 tests from MyLib
[ RUN      ] MyLib.case1
[=HOOK=] this is hook func
test_enable.cpp:35: Failure
Value of: ret
  Actual: -1
Expected: 1
[  FAILED  ] MyLib.case1 (1 ms)
[ RUN      ] MyLib.case2
[mylib.cpp][16] str:cmd2
[       OK ] MyLib.case2 (0 ms)
[----------] 2 tests from MyLib (1 ms total)

[----------] Global test environment tear-down
[==========] 2 tests from 1 test case ran. (1 ms total)
[  PASSED  ] 1 test.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] MyLib.case1

 1 FAILED TEST
55      }
(gdb) 
__libc_start_main (main=0x402f6c <main(int, char**)>, argc=1, 
ubp_av=0x7fffffffe238, init=<optimized out>, fini=<optimized out>, 
rtld_fini=<optimized out>, 
    stack_end=0x7fffffffe228) at libc-start.c:294
294     libc-start.c: No such file or directory.
(gdb) 
*** Error in `/home/google/bhook-1.0.0/test/unittest/simple/test_enable': 
double free or corruption (out): 0x0000000000611550 ***
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
open: No such file or directory
read input error!
Program received signal SIGABRT, Aborted.
0x00007ffff63991e5 in __GI_raise (sig=sig@entry=6) at 
../nptl/sysdeps/unix/sysv/linux/raise.c:56
56      ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) 

Original comment by [email protected] on 23 Jul 2013 at 7:58