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Message-ID: <202204281940.PxJNtrGR-lkp@intel.com>
Date:   Thu, 28 Apr 2022 20:00:16 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Christoph Hellwig <hch@....de>
Subject: arch/h8300/kernel/signal.c:112:14: sparse: sparse: incorrect type in
 argument 1 (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8f4dd16603ce834d1c5c4da67803ea82dd282511
commit: 12700c17fc286149324f92d6d380bc48e43f253d uaccess: generalize access_ok()
date:   9 weeks ago
config: h8300-randconfig-s031-20220428 (https://download.01.org/0day-ci/archive/20220428/202204281940.PxJNtrGR-lkp@intel.com/config)
compiler: h8300-linux-gcc (GCC) 11.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=12700c17fc286149324f92d6d380bc48e43f253d
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 12700c17fc286149324f92d6d380bc48e43f253d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=h8300 SHELL=/bin/bash arch/h8300/kernel/ kernel/debug/kdb/

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


sparse warnings: (new ones prefixed by >>)
>> arch/h8300/kernel/signal.c:112:14: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __user *ptr @@     got struct rt_sigframe *frame @@
   arch/h8300/kernel/signal.c:112:14: sparse:     expected void const [noderef] __user *ptr
   arch/h8300/kernel/signal.c:112:14: sparse:     got struct rt_sigframe *frame
   arch/h8300/kernel/signal.c:114:37: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got struct sigset_t * @@
   arch/h8300/kernel/signal.c:114:37: sparse:     expected void const [noderef] __user *from
   arch/h8300/kernel/signal.c:114:37: sparse:     got struct sigset_t *
   arch/h8300/kernel/signal.c:122:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct sigaltstack const [noderef] [usertype] __user * @@     got struct sigaltstack * @@
   arch/h8300/kernel/signal.c:122:31: sparse:     expected struct sigaltstack const [noderef] [usertype] __user *
   arch/h8300/kernel/signal.c:122:31: sparse:     got struct sigaltstack *
   arch/h8300/kernel/signal.c:105:16: sparse: sparse: symbol 'sys_rt_sigreturn' was not declared. Should it be static?
   arch/h8300/kernel/signal.c:165:15: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct rt_sigframe *frame @@     got void [noderef] __user * @@
   arch/h8300/kernel/signal.c:165:15: sparse:     expected struct rt_sigframe *frame
   arch/h8300/kernel/signal.c:165:15: sparse:     got void [noderef] __user *
   arch/h8300/kernel/signal.c:167:14: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __user *ptr @@     got struct rt_sigframe *frame @@
   arch/h8300/kernel/signal.c:167:14: sparse:     expected void const [noderef] __user *ptr
   arch/h8300/kernel/signal.c:167:14: sparse:     got struct rt_sigframe *frame
   arch/h8300/kernel/signal.c:171:46: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct siginfo [noderef] [usertype] __user *to @@     got struct siginfo * @@
   arch/h8300/kernel/signal.c:171:46: sparse:     expected struct siginfo [noderef] [usertype] __user *to
   arch/h8300/kernel/signal.c:171:46: sparse:     got struct siginfo *
   arch/h8300/kernel/signal.c:174:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:174:16: sparse:     expected void const volatile [noderef] __user *ptr
   arch/h8300/kernel/signal.c:174:16: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:174:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __user *to @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:174:16: sparse:     expected void [noderef] __user *to
   arch/h8300/kernel/signal.c:174:16: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:175:16: sparse: sparse: Using plain integer as NULL pointer
   arch/h8300/kernel/signal.c:175:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got struct ucontext ** @@
   arch/h8300/kernel/signal.c:175:16: sparse:     expected void const volatile [noderef] __user *ptr
   arch/h8300/kernel/signal.c:175:16: sparse:     got struct ucontext **
   arch/h8300/kernel/signal.c:175:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __user *to @@     got struct ucontext ** @@
   arch/h8300/kernel/signal.c:175:16: sparse:     expected void [noderef] __user *to
   arch/h8300/kernel/signal.c:175:16: sparse:     got struct ucontext **
   arch/h8300/kernel/signal.c:176:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct sigaltstack [noderef] [usertype] __user * @@     got struct sigaltstack * @@
   arch/h8300/kernel/signal.c:176:33: sparse:     expected struct sigaltstack [noderef] [usertype] __user *
   arch/h8300/kernel/signal.c:176:33: sparse:     got struct sigaltstack *
   arch/h8300/kernel/signal.c:177:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct sigcontext [noderef] __user *sc @@     got struct sigcontext * @@
   arch/h8300/kernel/signal.c:177:34: sparse:     expected struct sigcontext [noderef] __user *sc
   arch/h8300/kernel/signal.c:177:34: sparse:     got struct sigcontext *
   arch/h8300/kernel/signal.c:178:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void [noderef] __user *to @@     got struct sigset_t * @@
   arch/h8300/kernel/signal.c:178:30: sparse:     expected void [noderef] __user *to
   arch/h8300/kernel/signal.c:178:30: sparse:     got struct sigset_t *
   arch/h8300/kernel/signal.c:185:24: sparse: sparse: cast removes address space '__user' of expression
   arch/h8300/kernel/signal.c:188:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:188:24: sparse:     expected void const volatile [noderef] __user *ptr
   arch/h8300/kernel/signal.c:188:24: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:188:24: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __user *to @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:188:24: sparse:     expected void [noderef] __user *to
   arch/h8300/kernel/signal.c:188:24: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:190:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned short * @@
   arch/h8300/kernel/signal.c:190:24: sparse:     expected void const volatile [noderef] __user *ptr
   arch/h8300/kernel/signal.c:190:24: sparse:     got unsigned short *
   arch/h8300/kernel/signal.c:190:24: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __user *to @@     got unsigned short * @@
   arch/h8300/kernel/signal.c:190:24: sparse:     expected void [noderef] __user *to
   arch/h8300/kernel/signal.c:190:24: sparse:     got unsigned short *
   arch/h8300/kernel/signal.c:193:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got char ** @@
   arch/h8300/kernel/signal.c:193:16: sparse:     expected void const volatile [noderef] __user *ptr
   arch/h8300/kernel/signal.c:193:16: sparse:     got char **
   arch/h8300/kernel/signal.c:193:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __user *to @@     got char ** @@
   arch/h8300/kernel/signal.c:193:16: sparse:     expected void [noderef] __user *to
   arch/h8300/kernel/signal.c:193:16: sparse:     got char **
   arch/h8300/kernel/signal.c:86:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __user *__p @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:86:9: sparse:     expected void const [noderef] __user *__p
   arch/h8300/kernel/signal.c:86:9: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:87:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __user *__p @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:87:9: sparse:     expected void const [noderef] __user *__p
   arch/h8300/kernel/signal.c:87:9: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:88:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __user *__p @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:88:9: sparse:     expected void const [noderef] __user *__p
   arch/h8300/kernel/signal.c:88:9: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:89:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __user *__p @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:89:9: sparse:     expected void const [noderef] __user *__p
   arch/h8300/kernel/signal.c:89:9: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:90:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __user *__p @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:90:9: sparse:     expected void const [noderef] __user *__p
   arch/h8300/kernel/signal.c:90:9: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:92:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __user *__p @@     got unsigned short * @@
   arch/h8300/kernel/signal.c:92:9: sparse:     expected void const [noderef] __user *__p
   arch/h8300/kernel/signal.c:92:9: sparse:     got unsigned short *
   arch/h8300/kernel/signal.c:97:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:97:16: sparse:     expected void const volatile [noderef] __user *ptr
   arch/h8300/kernel/signal.c:97:16: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:97:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:97:16: sparse:     expected void const [noderef] __user *from
   arch/h8300/kernel/signal.c:97:16: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:97:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:97:16: sparse:     expected void const [noderef] __user *from
   arch/h8300/kernel/signal.c:97:16: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:97:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:97:16: sparse:     expected void const [noderef] __user *from
   arch/h8300/kernel/signal.c:97:16: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:97:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:97:16: sparse:     expected void const [noderef] __user *from
   arch/h8300/kernel/signal.c:97:16: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:100:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __user *ptr @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:100:16: sparse:     expected void const volatile [noderef] __user *ptr
   arch/h8300/kernel/signal.c:100:16: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:100:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got unsigned long * @@
   arch/h8300/kernel/signal.c:100:16: sparse:     expected void const [noderef] __user *from
   arch/h8300/kernel/signal.c:100:16: sparse:     got unsigned long *
   arch/h8300/kernel/signal.c:100:16: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got unsigned long * @@

vim +112 arch/h8300/kernel/signal.c

883251dd163c55 Yoshinori Sato    2015-05-11  104  
883251dd163c55 Yoshinori Sato    2015-05-11  105  asmlinkage int sys_rt_sigreturn(void)
883251dd163c55 Yoshinori Sato    2015-05-11  106  {
883251dd163c55 Yoshinori Sato    2015-05-11  107  	unsigned long usp = rdusp();
883251dd163c55 Yoshinori Sato    2015-05-11  108  	struct rt_sigframe *frame = (struct rt_sigframe *)(usp - 4);
883251dd163c55 Yoshinori Sato    2015-05-11  109  	sigset_t set;
883251dd163c55 Yoshinori Sato    2015-05-11  110  	int er0;
883251dd163c55 Yoshinori Sato    2015-05-11  111  
96d4f267e40f95 Linus Torvalds    2019-01-03 @112  	if (!access_ok(frame, sizeof(*frame)))
883251dd163c55 Yoshinori Sato    2015-05-11  113  		goto badframe;
883251dd163c55 Yoshinori Sato    2015-05-11  114  	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
883251dd163c55 Yoshinori Sato    2015-05-11  115  		goto badframe;
883251dd163c55 Yoshinori Sato    2015-05-11  116  
883251dd163c55 Yoshinori Sato    2015-05-11  117  	set_current_blocked(&set);
883251dd163c55 Yoshinori Sato    2015-05-11  118  
883251dd163c55 Yoshinori Sato    2015-05-11  119  	if (restore_sigcontext(&frame->uc.uc_mcontext, &er0))
883251dd163c55 Yoshinori Sato    2015-05-11  120  		goto badframe;
883251dd163c55 Yoshinori Sato    2015-05-11  121  
883251dd163c55 Yoshinori Sato    2015-05-11  122  	if (restore_altstack(&frame->uc.uc_stack))
883251dd163c55 Yoshinori Sato    2015-05-11  123  		goto badframe;
883251dd163c55 Yoshinori Sato    2015-05-11  124  
883251dd163c55 Yoshinori Sato    2015-05-11  125  	return er0;
883251dd163c55 Yoshinori Sato    2015-05-11  126  
883251dd163c55 Yoshinori Sato    2015-05-11  127  badframe:
3cf5d076fb4d48 Eric W. Biederman 2019-05-23  128  	force_sig(SIGSEGV);
883251dd163c55 Yoshinori Sato    2015-05-11  129  	return 0;
883251dd163c55 Yoshinori Sato    2015-05-11  130  }
883251dd163c55 Yoshinori Sato    2015-05-11  131  

:::::: The code at line 112 was first introduced by commit
:::::: 96d4f267e40f9509e8a66e2b39e8b95655617693 Remove 'type' argument from access_ok() function

:::::: TO: Linus Torvalds <torvalds@...ux-foundation.org>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

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

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