Re: [PATCH v25 21/25] audit: add support for 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 nf/master]
[also build test ERROR on linus/master v5.12-rc2 next-20210309]
[cannot apply to pcmoore-audit/next nf-next/master security/next-testing]
[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/20210309-234224
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf.git master
config: h8300-randconfig-r026-20210308 (attached as .config)
compiler: h8300-linux-gcc (GCC) 9.3.0
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/96082b2d5d5bc80fd3dafdf8a737ba8961568067
        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/20210309-234224
        git checkout 96082b2d5d5bc80fd3dafdf8a737ba8961568067
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 

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 drivers/tty/n_tty.c:46:
>> 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 include/linux/rcupdate.h:24,
                    from include/linux/init_task.h:5,
                    from init/init_task.c:2:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   include/asm-generic/page.h:89:50: warning: ordered comparison of pointer with null pointer [-Wextra]
      89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
         |                                                  ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:137:2: note: in expansion of macro 'BUG_ON'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:137:10: note: in expansion of macro 'virt_addr_valid'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   In file included from init/init_task.c:12:
   include/linux/audit.h: At top level:
>> 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/h8300/kernel/ptrace.c:14:
>> 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 include/linux/kernel.h:10,
                    from arch/h8300/kernel/ptrace.c:11:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   include/asm-generic/page.h:89:50: warning: ordered comparison of pointer with null pointer [-Wextra]
      89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
         |                                                  ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:137:2: note: in expansion of macro 'BUG_ON'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:137:10: note: in expansion of macro 'virt_addr_valid'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   arch/h8300/kernel/ptrace.c: At top level:
   arch/h8300/kernel/ptrace.c:172:17: warning: no previous prototype for 'do_syscall_trace_enter' [-Wmissing-prototypes]
     172 | asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
         |                 ^~~~~~~~~~~~~~~~~~~~~~
   arch/h8300/kernel/ptrace.c:191:17: warning: no previous prototype for 'do_syscall_trace_leave' [-Wmissing-prototypes]
     191 | asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
         |                 ^~~~~~~~~~~~~~~~~~~~~~
   arch/h8300/kernel/ptrace.c: In function 'h8300_put_reg':
   arch/h8300/kernel/ptrace.c:61:20: warning: this statement may fall through [-Wimplicit-fallthrough=]
      61 |   task->thread.usp = data - sizeof(long)*2;
         |   ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
   arch/h8300/kernel/ptrace.c:62:2: note: here
      62 |  case PT_CCR:
         |  ^~~~
--
   In file included from kernel/module.c:58:
>> 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/module.c:4675:6: warning: no previous prototype for 'module_layout' [-Wmissing-prototypes]
    4675 | void module_layout(struct module *mod,
         |      ^~~~~~~~~~~~~
--
   In file included from include/asm-generic/bug.h:5,
                    from arch/h8300/include/asm/bug.h:8,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/gfp.h:5,
                    from include/linux/slab.h:15,
                    from kernel/fork.c:16:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   include/asm-generic/page.h:89:50: warning: ordered comparison of pointer with null pointer [-Wextra]
      89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
         |                                                  ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:137:2: note: in expansion of macro 'BUG_ON'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:137:10: note: in expansion of macro 'virt_addr_valid'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   In file included from kernel/fork.c:63:
   include/linux/audit.h: At top level:
>> 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:161:13: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes]
     161 | void __weak arch_release_task_struct(struct task_struct *tsk)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~
   kernel/fork.c:746:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes]
     746 | void __init __weak arch_task_cache_init(void) { }
         |                    ^~~~~~~~~~~~~~~~~~~~
   kernel/fork.c:836:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes]
     836 | 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)
         | ^
   In file included from include/asm-generic/bug.h:5,
                    from arch/h8300/include/asm/bug.h:8,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/mm.h:9,
                    from kernel/exit.c:8:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   include/asm-generic/page.h:89:50: warning: ordered comparison of pointer with null pointer [-Wextra]
      89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
         |                                                  ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:137:2: note: in expansion of macro 'BUG_ON'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:137:10: note: in expansion of macro 'virt_addr_valid'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   kernel/exit.c: At top level:
   kernel/exit.c:1763:13: warning: no previous prototype for 'abort' [-Wmissing-prototypes]
    1763 | __weak void abort(void)
         |             ^~~~~
--
   In file included from include/asm-generic/bug.h:5,
                    from arch/h8300/include/asm/bug.h:8,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/gfp.h:5,
                    from include/linux/slab.h:15,
                    from kernel/signal.c:14:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   include/asm-generic/page.h:89:50: warning: ordered comparison of pointer with null pointer [-Wextra]
      89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
         |                                                  ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:137:2: note: in expansion of macro 'BUG_ON'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:137:10: note: in expansion of macro 'virt_addr_valid'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   In file included from kernel/signal.c:48:
   include/linux/audit.h: At top level:
>> 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/signal.c:4645:6: warning: no previous prototype for 'kdb_send_sig' [-Wmissing-prototypes]
    4645 | void kdb_send_sig(struct task_struct *t, int sig)
         |      ^~~~~~~~~~~~
--
   In file included from include/asm-generic/bug.h:5,
                    from arch/h8300/include/asm/bug.h:8,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/mm.h:9,
                    from mm/nommu.c:20:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   include/asm-generic/page.h:89:50: warning: ordered comparison of pointer with null pointer [-Wextra]
      89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
         |                                                  ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:137:2: note: in expansion of macro 'BUG_ON'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:137:10: note: in expansion of macro 'virt_addr_valid'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   In file included from mm/nommu.c:37:
   include/linux/audit.h: At top level:
>> 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/h8300/include/asm/page.h:5,
                    from arch/h8300/include/asm/thread_info.h:12,
                    from include/linux/thread_info.h:58,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/h8300/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/mm.h:10,
                    from mm/nommu.c:20:
   mm/nommu.c: In function 'kobjsize':
   include/asm-generic/page.h:89:50: warning: ordered comparison of pointer with null pointer [-Wextra]
      89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
         |                                                  ^~
   mm/nommu.c:81:16: note: in expansion of macro 'virt_addr_valid'
      81 |  if (!objp || !virt_addr_valid(objp))
         |                ^~~~~~~~~~~~~~~
   mm/nommu.c: At top level:
   mm/nommu.c:1658:15: warning: no previous prototype for 'arch_get_unmapped_area' [-Wmissing-prototypes]
    1658 | unsigned long arch_get_unmapped_area(struct file *file, unsigned long addr,
         |               ^~~~~~~~~~~~~~~~~~~~~~
--
   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)
         | ^
   In file included from include/asm-generic/bug.h:5,
                    from arch/h8300/include/asm/bug.h:8,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/mm.h:9,
                    from fs/pipe.c:8:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   include/asm-generic/page.h:89:50: warning: ordered comparison of pointer with null pointer [-Wextra]
      89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
         |                                                  ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:137:2: note: in expansion of macro 'BUG_ON'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:137:10: note: in expansion of macro 'virt_addr_valid'
     137 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~


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	

---
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