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Re: [PATCH] android: binder: Sanity check at binder ioctl

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Hi Chen,

[auto build test ERROR on v4.4-rc8]
[also build test ERROR on next-20160118]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Chen-Feng/android-binder-Sanity-check-at-binder-ioctl/20160119-112456
config: x86_64-randconfig-x009-201603 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   In file included from include/asm-generic/bug.h:4:0,
                    from arch/x86/include/asm/bug.h:35,
                    from include/linux/bug.h:4,
                    from include/linux/mmdebug.h:4,
                    from include/linux/mm.h:8,
                    from include/asm-generic/cacheflush.h:5,
                    from arch/x86/include/asm/cacheflush.h:5,
                    from drivers/android/binder.c:20:
   drivers/android/binder.c: In function 'binder_ioctl':
>> drivers/android/binder.c:2739:39: error: 'struct task_struct' has no member named 'tsk'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
                                          ^
   include/linux/compiler.h:147:28: note: in definition of macro '__trace_if'
     if (__builtin_constant_p((cond)) ? !!(cond) :   \
                               ^
>> drivers/android/binder.c:2739:2: note: in expansion of macro 'if'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
     ^
>> drivers/android/binder.c:2739:6: note: in expansion of macro 'unlikely'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
         ^
>> drivers/android/binder.c:2739:39: error: 'struct task_struct' has no member named 'tsk'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
                                          ^
   include/linux/compiler.h:147:28: note: in definition of macro '__trace_if'
     if (__builtin_constant_p((cond)) ? !!(cond) :   \
                               ^
>> drivers/android/binder.c:2739:2: note: in expansion of macro 'if'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
     ^
>> drivers/android/binder.c:2739:6: note: in expansion of macro 'unlikely'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
         ^
>> drivers/android/binder.c:2739:39: error: 'struct task_struct' has no member named 'tsk'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
                                          ^
   include/linux/compiler.h:147:28: note: in definition of macro '__trace_if'
     if (__builtin_constant_p((cond)) ? !!(cond) :   \
                               ^
>> drivers/android/binder.c:2739:2: note: in expansion of macro 'if'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
     ^
   include/linux/compiler.h:123:14: note: in expansion of macro 'likely_notrace'
       ______r = likely_notrace(x);   \
                 ^
   include/linux/compiler.h:137:58: note: in expansion of macro '__branch_check__'
    #  define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
                                                             ^
>> drivers/android/binder.c:2739:6: note: in expansion of macro 'unlikely'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
         ^
>> drivers/android/binder.c:2739:39: error: 'struct task_struct' has no member named 'tsk'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
                                          ^
   include/linux/compiler.h:147:40: note: in definition of macro '__trace_if'
     if (__builtin_constant_p((cond)) ? !!(cond) :   \
                                           ^
>> drivers/android/binder.c:2739:2: note: in expansion of macro 'if'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
     ^
>> drivers/android/binder.c:2739:6: note: in expansion of macro 'unlikely'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
         ^
>> drivers/android/binder.c:2739:39: error: 'struct task_struct' has no member named 'tsk'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
                                          ^
   include/linux/compiler.h:147:40: note: in definition of macro '__trace_if'
     if (__builtin_constant_p((cond)) ? !!(cond) :   \
                                           ^
>> drivers/android/binder.c:2739:2: note: in expansion of macro 'if'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
     ^
>> drivers/android/binder.c:2739:6: note: in expansion of macro 'unlikely'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
         ^
>> drivers/android/binder.c:2739:39: error: 'struct task_struct' has no member named 'tsk'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
                                          ^
   include/linux/compiler.h:147:40: note: in definition of macro '__trace_if'
     if (__builtin_constant_p((cond)) ? !!(cond) :   \
                                           ^
>> drivers/android/binder.c:2739:2: note: in expansion of macro 'if'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
     ^
   include/linux/compiler.h:123:14: note: in expansion of macro 'likely_notrace'
       ______r = likely_notrace(x);   \
                 ^
   include/linux/compiler.h:137:58: note: in expansion of macro '__branch_check__'
    #  define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
                                                             ^
>> drivers/android/binder.c:2739:6: note: in expansion of macro 'unlikely'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
         ^
>> drivers/android/binder.c:2739:39: error: 'struct task_struct' has no member named 'tsk'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
                                          ^
   include/linux/compiler.h:158:16: note: in definition of macro '__trace_if'
      ______r = !!(cond);     \
                   ^
>> drivers/android/binder.c:2739:2: note: in expansion of macro 'if'
     if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
     ^

vim +2739 drivers/android/binder.c

  2733		struct binder_thread *thread;
  2734		unsigned int size = _IOC_SIZE(cmd);
  2735		void __user *ubuf = (void __user *)arg;
  2736	
  2737		/*pr_info("binder_ioctl: %d:%d %x %lx\n",
  2738				proc->pid, current->pid, cmd, arg);*/
> 2739		if (unlikely(proc->tsk->mm != current->tsk->mm && proc->tsk->mm))
  2740			return -EINVAL;
  2741	
  2742		trace_binder_ioctl(cmd, arg);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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[PATCH] android: binder: Sanity check at binder ioctl Chen Feng <puck.chen@hisilicon.com> - 2016-01-19 04:30 +0100
  Re: [PATCH] android: binder: Sanity check at binder ioctl kbuild test robot <lkp@intel.com> - 2016-01-19 04:50 +0100

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