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From: Christoph Hellwig <hch@lst.de>
To: kbuild-all@lists.01.org
Subject: Re: [hch-misc:sockopt-cleanups 17/22] net/ipv4/ip_sockglue.c:1489:13: sparse: sparse: incorrect type in initializer (different address spaces)
Date: Fri, 17 Jul 2020 18:40:11 +0200	[thread overview]
Message-ID: <20200717164011.GA17943@lst.de> (raw)
In-Reply-To: <202007172203.hFaTOOHm%lkp@intel.com>

[-- Attachment #1: Type: text/plain, Size: 14565 bytes --]

As far as I can tell the sparse annotations in the openrisc headers
are all messed up, and this is caused by that (just as the other one).

Can you guys drop openriscv sparse runs for now?

Or can the openrisc maintainers tries to fix up the sparse annotations
in their uaccess macros?

On Fri, Jul 17, 2020 at 10:07:06PM +0800, kernel test robot wrote:
> tree:   git://git.infradead.org/users/hch/misc.git sockopt-cleanups
> head:   c7b33f366ac60f1213a4ff71675dc62c56f171d3
> commit: 5a4c63f8320f6acd2dd457dd96c84e1ffeef580a [17/22] net/ipv4: remove compat_ip_{get,set}sockopt
> config: openrisc-randconfig-s031-20200717 (attached as .config)
> compiler: or1k-linux-gcc (GCC) 9.3.0
> 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: v0.6.2-49-g707c5017-dirty
>         git checkout 5a4c63f8320f6acd2dd457dd96c84e1ffeef580a
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=openrisc 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> 
> sparse warnings: (new ones prefixed by >>)
> 
>    net/ipv4/ip_sockglue.c:908:29: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int const *__gu_addr @@     got int [noderef] __user * @@
>    net/ipv4/ip_sockglue.c:908:29: sparse:     expected int const *__gu_addr
>    net/ipv4/ip_sockglue.c:908:29: sparse:     got int [noderef] __user *
>    net/ipv4/ip_sockglue.c:913:29: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected unsigned char const *__gu_addr @@     got unsigned char [noderef] __user * @@
>    net/ipv4/ip_sockglue.c:913:29: sparse:     expected unsigned char const *__gu_addr
>    net/ipv4/ip_sockglue.c:913:29: sparse:     got unsigned char [noderef] __user *
>    net/ipv4/ip_sockglue.c:1456:13: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int *__pu_addr @@     got int [noderef] __user *optlen @@
>    net/ipv4/ip_sockglue.c:1456:13: sparse:     expected int *__pu_addr
>    net/ipv4/ip_sockglue.c:1456:13: sparse:     got int [noderef] __user *optlen
>    net/ipv4/ip_sockglue.c:1488:13: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int *__pu_addr @@     got int [noderef] __user *optlen @@
>    net/ipv4/ip_sockglue.c:1488:13: sparse:     expected int *__pu_addr
>    net/ipv4/ip_sockglue.c:1488:13: sparse:     got int [noderef] __user *optlen
> >> net/ipv4/ip_sockglue.c:1489:13: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected unsigned int *__pu_addr @@     got unsigned int [noderef] __user * @@
> >> net/ipv4/ip_sockglue.c:1489:13: sparse:     expected unsigned int *__pu_addr
>    net/ipv4/ip_sockglue.c:1489:13: sparse:     got unsigned int [noderef] __user *
>    net/ipv4/ip_sockglue.c:1490:13: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected unsigned int *__pu_addr @@     got unsigned int [noderef] __user * @@
>    net/ipv4/ip_sockglue.c:1490:13: sparse:     expected unsigned int *__pu_addr
>    net/ipv4/ip_sockglue.c:1490:13: sparse:     got unsigned int [noderef] __user *
>    net/ipv4/ip_sockglue.c:1509:13: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int const *__gu_addr @@     got int [noderef] __user *optlen @@
>    net/ipv4/ip_sockglue.c:1509:13: sparse:     expected int const *__gu_addr
>    net/ipv4/ip_sockglue.c:1509:13: sparse:     got int [noderef] __user *optlen
>    net/ipv4/ip_sockglue.c:1535:32: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int *__pu_addr @@     got int [noderef] __user *optlen @@
>    net/ipv4/ip_sockglue.c:1535:32: sparse:     expected int *__pu_addr
>    net/ipv4/ip_sockglue.c:1535:32: sparse:     got int [noderef] __user *optlen
>    net/ipv4/ip_sockglue.c:1540:21: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int *__pu_addr @@     got int [noderef] __user *optlen @@
>    net/ipv4/ip_sockglue.c:1540:21: sparse:     expected int *__pu_addr
>    net/ipv4/ip_sockglue.c:1540:21: sparse:     got int [noderef] __user *optlen
>    net/ipv4/ip_sockglue.c:1630:21: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int *__pu_addr @@     got int [noderef] __user *optlen @@
>    net/ipv4/ip_sockglue.c:1630:21: sparse:     expected int *__pu_addr
>    net/ipv4/ip_sockglue.c:1630:21: sparse:     got int [noderef] __user *optlen
>    net/ipv4/ip_sockglue.c:1693:24: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int *__pu_addr @@     got int [noderef] __user *optlen @@
>    net/ipv4/ip_sockglue.c:1693:24: sparse:     expected int *__pu_addr
>    net/ipv4/ip_sockglue.c:1693:24: sparse:     got int [noderef] __user *optlen
>    net/ipv4/ip_sockglue.c:1713:21: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int *__pu_addr @@     got int [noderef] __user *optlen @@
>    net/ipv4/ip_sockglue.c:1713:21: sparse:     expected int *__pu_addr
>    net/ipv4/ip_sockglue.c:1713:21: sparse:     got int [noderef] __user *optlen
>    net/ipv4/ip_sockglue.c:1719:21: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected int *__pu_addr @@     got int [noderef] __user *optlen @@
>    net/ipv4/ip_sockglue.c:1719:21: sparse:     expected int *__pu_addr
>    net/ipv4/ip_sockglue.c:1719:21: sparse:     got int [noderef] __user *optlen
>    arch/openrisc/include/asm/cmpxchg.h:101:29: sparse: sparse: shift too big (32) for type int
>    include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *to @@     got void [noderef] __user *to @@
>    include/linux/uaccess.h:131:38: sparse:     expected void *to
>    include/linux/uaccess.h:131:38: sparse:     got void [noderef] __user *to
>    include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got void const *from @@
>    include/linux/uaccess.h:131:42: sparse:     expected void const [noderef] __user *from
>    include/linux/uaccess.h:131:42: sparse:     got void const *from
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const *from @@     got void const [noderef] __user *from @@
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse:     expected void const *from
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse:     got void const [noderef] __user *from
>    include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *to @@     got void [noderef] __user *to @@
>    include/linux/uaccess.h:131:38: sparse:     expected void *to
>    include/linux/uaccess.h:131:38: sparse:     got void [noderef] __user *to
>    include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got void const *from @@
>    include/linux/uaccess.h:131:42: sparse:     expected void const [noderef] __user *from
>    include/linux/uaccess.h:131:42: sparse:     got void const *from
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const *from @@     got void const [noderef] __user *from @@
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse:     expected void const *from
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse:     got void const [noderef] __user *from
>    include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *to @@     got void [noderef] __user *to @@
>    include/linux/uaccess.h:131:38: sparse:     expected void *to
>    include/linux/uaccess.h:131:38: sparse:     got void [noderef] __user *to
>    include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got void const *from @@
>    include/linux/uaccess.h:131:42: sparse:     expected void const [noderef] __user *from
>    include/linux/uaccess.h:131:42: sparse:     got void const *from
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const *from @@     got void const [noderef] __user *from @@
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse:     expected void const *from
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse:     got void const [noderef] __user *from
>    include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *to @@     got void [noderef] __user *to @@
>    include/linux/uaccess.h:131:38: sparse:     expected void *to
>    include/linux/uaccess.h:131:38: sparse:     got void [noderef] __user *to
>    include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got void const *from @@
>    include/linux/uaccess.h:131:42: sparse:     expected void const [noderef] __user *from
>    include/linux/uaccess.h:131:42: sparse:     got void const *from
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const *from @@     got void const [noderef] __user *from @@
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse:     expected void const *from
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse:     got void const [noderef] __user *from
>    include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *to @@     got void [noderef] __user *to @@
>    include/linux/uaccess.h:131:38: sparse:     expected void *to
>    include/linux/uaccess.h:131:38: sparse:     got void [noderef] __user *to
>    include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const [noderef] __user *from @@     got void const *from @@
>    include/linux/uaccess.h:131:42: sparse:     expected void const [noderef] __user *from
>    include/linux/uaccess.h:131:42: sparse:     got void const *from
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const *from @@     got void const [noderef] __user *from @@
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse:     expected void const *from
>    arch/openrisc/include/asm/uaccess.h:246:55: sparse:     got void const [noderef] __user *from
> 
> vim +1489 net/ipv4/ip_sockglue.c
> 
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1461  
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1462  static int compat_ip_get_mcast_msfilter(struct sock *sk, void __user *optval,
> 5a4c63f8320f6ac Christoph Hellwig 2020-07-16  1463  		int __user *optlen, int len)
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1464  {
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1465  	const int size0 = offsetof(struct compat_group_filter, gf_slist);
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1466  	struct compat_group_filter __user *p = optval;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1467  	struct compat_group_filter gf32;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1468  	struct group_filter gf;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1469  	int num;
> 5a4c63f8320f6ac Christoph Hellwig 2020-07-16  1470  	int err;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1471  
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1472  	if (len < size0)
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1473  		return -EINVAL;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1474  	if (copy_from_user(&gf32, p, size0))
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1475  		return -EFAULT;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1476  
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1477  	gf.gf_interface = gf32.gf_interface;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1478  	gf.gf_fmode = gf32.gf_fmode;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1479  	num = gf.gf_numsrc = gf32.gf_numsrc;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1480  	gf.gf_group = gf32.gf_group;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1481  
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1482  	err = ip_mc_gsfget(sk, &gf, p->gf_slist);
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1483  	if (err)
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1484  		return err;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1485  	if (gf.gf_numsrc < num)
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1486  		num = gf.gf_numsrc;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1487  	len = GROUP_FILTER_SIZE(num) - (sizeof(gf) - sizeof(gf32));
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1488  	if (put_user(len, optlen) ||
> 4aa551d47237465 Christoph Hellwig 2020-07-15 @1489  	    put_user(gf.gf_fmode, &p->gf_fmode) ||
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1490  	    put_user(gf.gf_numsrc, &p->gf_numsrc))
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1491  		return -EFAULT;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1492  	return 0;
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1493  }
> 4aa551d47237465 Christoph Hellwig 2020-07-15  1494  
> 
> :::::: The code at line 1489 was first introduced by commit
> :::::: 4aa551d4723746507de5fb607831811a9e458837 net/ipv4: factor out MCAST_MSFILTER getsockopt helpers
> 
> :::::: TO: Christoph Hellwig <hch@lst.de>
> :::::: CC: Christoph Hellwig <hch@lst.de>
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org


---end quoted text---

  reply	other threads:[~2020-07-17 16:40 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-17 14:07 [hch-misc:sockopt-cleanups 17/22] net/ipv4/ip_sockglue.c:1489:13: sparse: sparse: incorrect type in initializer (different address spaces) kernel test robot
2020-07-17 16:40 ` Christoph Hellwig [this message]
2020-07-17 21:24   ` Stafford Horne
2020-07-18  7:02     ` Christoph Hellwig

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