Re: [PATCH v28 21/25] audit: support non-syscall auxiliary records

[kernel test robot <lkp@intel.com>]

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Hi Casey,

I love your patch! Yet something to improve:

[auto build test ERROR on pcmoore-audit/next]
[also build test ERROR on nf/master linus/master v5.14-rc2]
[cannot apply to nf-next/master next-20210722]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Casey-Schaufler/LSM-Infrastructure-management-of-the-sock-security/20210722-094735
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git next
config: openrisc-randconfig-r025-20210722 (attached as .config)
compiler: or1k-linux-gcc (GCC) 10.3.0
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://github.com/0day-ci/linux/commit/63ea5078624b9ff368f945d654ace5f79160fb6a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Casey-Schaufler/LSM-Infrastructure-management-of-the-sock-security/20210722-094735
        git checkout 63ea5078624b9ff368f945d654ace5f79160fb6a
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=openrisc SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   In file included from init/init_task.c:12:
>> include/linux/audit.h:557:1: error: expected identifier or '(' before '+' token
     557 | +static inline struct audit_context *audit_alloc_local(gfp_t gfpflags)
         | ^
--
   In file included from arch/openrisc/kernel/ptrace.c:23:
>> include/linux/audit.h:557:1: error: expected identifier or '(' before '+' token
     557 | +static inline struct audit_context *audit_alloc_local(gfp_t gfpflags)
         | ^
   arch/openrisc/kernel/ptrace.c:157:17: warning: no previous prototype for 'do_syscall_trace_enter' [-Wmissing-prototypes]
     157 | asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
         |                 ^~~~~~~~~~~~~~~~~~~~~~
   arch/openrisc/kernel/ptrace.c:176:17: warning: no previous prototype for 'do_syscall_trace_leave' [-Wmissing-prototypes]
     176 | asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
         |                 ^~~~~~~~~~~~~~~~~~~~~~
--
   In file included from kernel/fork.c:63:
>> include/linux/audit.h:557:1: error: expected identifier or '(' before '+' token
     557 | +static inline struct audit_context *audit_alloc_local(gfp_t gfpflags)
         | ^
   kernel/fork.c:162:13: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes]
     162 | void __weak arch_release_task_struct(struct task_struct *tsk)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~
   kernel/fork.c:752:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes]
     752 | void __init __weak arch_task_cache_init(void) { }
         |                    ^~~~~~~~~~~~~~~~~~~~
   kernel/fork.c:847:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes]
     847 | int __weak arch_dup_task_struct(struct task_struct *dst,
         |            ^~~~~~~~~~~~~~~~~~~~
--
   In file included from kernel/exit.c:49:
>> include/linux/audit.h:557:1: error: expected identifier or '(' before '+' token
     557 | +static inline struct audit_context *audit_alloc_local(gfp_t gfpflags)
         | ^
   kernel/exit.c:1810:13: warning: no previous prototype for 'abort' [-Wmissing-prototypes]
    1810 | __weak void abort(void)
         |             ^~~~~
--
   In file included from kernel/audit.c:51:
>> include/linux/audit.h:557:1: error: expected identifier or '(' before '+' token
     557 | +static inline struct audit_context *audit_alloc_local(gfp_t gfpflags)
         | ^
   kernel/audit.c:1781:14: warning: no previous prototype for 'audit_serial' [-Wmissing-prototypes]
    1781 | unsigned int audit_serial(void)
         |              ^~~~~~~~~~~~
   kernel/audit.c: In function 'audit_log_vformat':
   kernel/audit.c:1929:2: warning: function 'audit_log_vformat' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
    1929 |  len = vsnprintf(skb_tail_pointer(skb), avail, fmt, args);
         |  ^~~
   kernel/audit.c:1938:3: warning: function 'audit_log_vformat' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
    1938 |   len = vsnprintf(skb_tail_pointer(skb), avail, fmt, args2);
         |   ^~~
--
   In file included from fs/pipe.c:23:
>> include/linux/audit.h:557:1: error: expected identifier or '(' before '+' token
     557 | +static inline struct audit_context *audit_alloc_local(gfp_t gfpflags)
         | ^
   fs/pipe.c:741:15: warning: no previous prototype for 'account_pipe_buffers' [-Wmissing-prototypes]
     741 | unsigned long account_pipe_buffers(struct user_struct *user,
         |               ^~~~~~~~~~~~~~~~~~~~
   fs/pipe.c:747:6: warning: no previous prototype for 'too_many_pipe_buffers_soft' [-Wmissing-prototypes]
     747 | bool too_many_pipe_buffers_soft(unsigned long user_bufs)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/pipe.c:754:6: warning: no previous prototype for 'too_many_pipe_buffers_hard' [-Wmissing-prototypes]
     754 | bool too_many_pipe_buffers_hard(unsigned long user_bufs)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/pipe.c:761:6: warning: no previous prototype for 'pipe_is_unprivileged_user' [-Wmissing-prototypes]
     761 | bool pipe_is_unprivileged_user(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   fs/pipe.c:1231:5: warning: no previous prototype for 'pipe_resize_ring' [-Wmissing-prototypes]
    1231 | int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots)
         |     ^~~~~~~~~~~~~~~~
--
   In file included from include/linux/fsnotify.h:16,
                    from kernel/trace/trace.c:49:
>> include/linux/audit.h:557:1: error: expected identifier or '(' before '+' token
     557 | +static inline struct audit_context *audit_alloc_local(gfp_t gfpflags)
         | ^
   kernel/trace/trace.c: In function 'trace_check_vprintf':
   kernel/trace/trace.c:3815:3: warning: function 'trace_check_vprintf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
    3815 |   trace_seq_vprintf(&iter->seq, iter->fmt, ap);
         |   ^~~~~~~~~~~~~~~~~
   kernel/trace/trace.c:3870:3: warning: function 'trace_check_vprintf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
    3870 |   trace_seq_vprintf(&iter->seq, p, ap);
         |   ^~~~~~~~~~~~~~~~~
   At top level:
   kernel/trace/trace.c:1692:37: warning: 'tracing_max_lat_fops' defined but not used [-Wunused-const-variable=]
    1692 | static const struct file_operations tracing_max_lat_fops;
         |                                     ^~~~~~~~~~~~~~~~~~~~
--
   In file included from net/socket.c:81:
>> include/linux/audit.h:557:1: error: expected identifier or '(' before '+' token
     557 | +static inline struct audit_context *audit_alloc_local(gfp_t gfpflags)
         | ^
   net/socket.c: In function '__sys_getsockopt':
   net/socket.c:2178:6: warning: variable 'max_optlen' set but not used [-Wunused-but-set-variable]
    2178 |  int max_optlen;
         |      ^~~~~~~~~~


vim +557 include/linux/audit.h

   553	
   554	extern int audit_n_rules;
   555	extern int audit_signals;
   556	#else /* CONFIG_AUDITSYSCALL */
 > 557	+static inline struct audit_context *audit_alloc_local(gfp_t gfpflags)
   558	{
   559		return NULL;
   560	}
   561	static inline void audit_free_context(struct audit_context *context)
   562	{ }
   563	static inline int audit_alloc(struct task_struct *task)
   564	{
   565		return 0;
   566	}
   567	static inline void audit_free(struct task_struct *task)
   568	{ }
   569	static inline void audit_syscall_entry(int major, unsigned long a0,
   570					       unsigned long a1, unsigned long a2,
   571					       unsigned long a3)
   572	{ }
   573	static inline void audit_syscall_exit(void *pt_regs)
   574	{ }
   575	static inline bool audit_dummy_context(void)
   576	{
   577		return true;
   578	}
   579	static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
   580	{ }
   581	static inline struct audit_context *audit_context(void)
   582	{
   583		return NULL;
   584	}
   585	static inline struct filename *audit_reusename(const __user char *name)
   586	{
   587		return NULL;
   588	}
   589	static inline void audit_getname(struct filename *name)
   590	{ }
   591	static inline void audit_inode(struct filename *name,
   592					const struct dentry *dentry,
   593					unsigned int aflags)
   594	{ }
   595	static inline void audit_file(struct file *file)
   596	{
   597	}
   598	static inline void audit_inode_parent_hidden(struct filename *name,
   599					const struct dentry *dentry)
   600	{ }
   601	static inline void audit_inode_child(struct inode *parent,
   602					     const struct dentry *dentry,
   603					     const unsigned char type)
   604	{ }
   605	static inline void audit_core_dumps(long signr)
   606	{ }
   607	static inline void audit_seccomp(unsigned long syscall, long signr, int code)
   608	{ }
   609	static inline void audit_seccomp_actions_logged(const char *names,
   610							const char *old_names, int res)
   611	{ }
   612	static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
   613	{ }
   614	static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
   615						gid_t gid, umode_t mode)
   616	{ }
   617	static inline void audit_bprm(struct linux_binprm *bprm)
   618	{ }
   619	static inline int audit_socketcall(int nargs, unsigned long *args)
   620	{
   621		return 0;
   622	}
   623	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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