linux-kernel - [ebiederm-user-namespace:kthread-cleanups-for-v5.19 2/7] arch/h8300/kernel/process.c:108:46: error: unknown type name 'kernel_clone

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <202205071135.brFxCRDU-lkp@intel.com>
Date:   Sat, 7 May 2022 11:20:35 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [ebiederm-user-namespace:kthread-cleanups-for-v5.19 2/7]
 arch/h8300/kernel/process.c:108:46: error: unknown type name
 'kernel_clone_args'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git kthread-cleanups-for-v5.19
head:   688122ff3e49ddca3c6c3572cadb19285045bbe3
commit: 498391acef1e0098a722e7f45496fda39a15284a [2/7] fork: Pass struct kernel_clone_args into copy_thread
config: h8300-randconfig-r025-20220506 (https://download.01.org/0day-ci/archive/20220507/202205071135.brFxCRDU-lkp@intel.com/config)
compiler: h8300-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git/commit/?id=498391acef1e0098a722e7f45496fda39a15284a
        git remote add ebiederm-user-namespace https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git
        git fetch --no-tags ebiederm-user-namespace kthread-cleanups-for-v5.19
        git checkout 498391acef1e0098a722e7f45496fda39a15284a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=h8300 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   arch/h8300/kernel/process.c:58:6: warning: no previous prototype for 'arch_cpu_idle' [-Wmissing-prototypes]
      58 | void arch_cpu_idle(void)
         |      ^~~~~~~~~~~~~
>> arch/h8300/kernel/process.c:108:46: error: unknown type name 'kernel_clone_args'
     108 | int copy_thread(struct task_struct *p, const kernel_clone_args *args)
         |                                              ^~~~~~~~~~~~~~~~~
   arch/h8300/kernel/process.c:108:5: error: conflicting types for 'copy_thread'; have 'int(struct task_struct *, const int *)'
     108 | int copy_thread(struct task_struct *p, const kernel_clone_args *args)
         |     ^~~~~~~~~~~
   In file included from arch/h8300/kernel/process.c:30:
   include/linux/sched/task.h:71:12: note: previous declaration of 'copy_thread' with type 'int(struct task_struct *, const struct kernel_clone_args *)'
      71 | extern int copy_thread(struct task_struct *, const struct kernel_clone_args *);
         |            ^~~~~~~~~~~
   arch/h8300/kernel/process.c: In function 'copy_thread':
   arch/h8300/kernel/process.c:110:33: error: request for member 'stack' in something not a structure or union
     110 |         unsigned long usp = args->stack;
         |                                 ^~
   arch/h8300/kernel/process.c:111:36: error: request for member 'stack_size' in something not a structure or union
     111 |         unsigned long topstk = args->stack_size;
         |                                    ^~
   arch/h8300/kernel/process.c: At top level:
   arch/h8300/kernel/process.c:153:16: warning: no previous prototype for 'sys_clone' [-Wmissing-prototypes]
     153 | asmlinkage int sys_clone(unsigned long __user *args)
         |                ^~~~~~~~~


vim +/kernel_clone_args +108 arch/h8300/kernel/process.c

   107	
 > 108	int copy_thread(struct task_struct *p, const kernel_clone_args *args)
   109	{
   110		unsigned long usp = args->stack;
   111		unsigned long topstk = args->stack_size;
   112		struct pt_regs *childregs;
   113	
   114		childregs = (struct pt_regs *) (THREAD_SIZE + task_stack_page(p)) - 1;
   115	
   116		if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) {
   117			memset(childregs, 0, sizeof(struct pt_regs));
   118			childregs->retpc = (unsigned long) ret_from_kernel_thread;
   119			childregs->er4 = topstk; /* arg */
   120			childregs->er5 = usp; /* fn */
   121		}  else {
   122			*childregs = *current_pt_regs();
   123			childregs->er0 = 0;
   124			childregs->retpc = (unsigned long) ret_from_fork;
   125			p->thread.usp = usp ?: rdusp();
   126		}
   127		p->thread.ksp = (unsigned long)childregs;
   128	
   129		return 0;
   130	}
   131	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp