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Date: Mon, 16 Nov 2020 21:10:40 +0800
From: kernel test robot <lkp@...el.com>
To: Martin Schiller <ms@....tdt.de>, andrew.hendry@...il.com,
davem@...emloft.net, kuba@...nel.org, xie.he.0141@...il.com
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
linux-x25@...r.kernel.org, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, Martin Schiller <ms@....tdt.de>
Subject: Re: [PATCH 2/6] net/x25: make neighbour params configurable
Hi Martin,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on net-next/master]
[also build test ERROR on net/master linus/master sparc-next/master v5.10-rc4 next-20201116]
[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/Martin-Schiller/net-x25-add-remove-x25_link_device-by-NETDEV_REGISTER-UNREGISTER/20201116-153459
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 0064c5c1b3bf2a695c772c90e8dea38426a870ff
config: x86_64-randconfig-a011-20201116 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c044709b8fbea2a9a375e4173a6bd735f6866c0c)
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
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/0day-ci/linux/commit/2d44533245f7e8388db93c53c26703ac52650e57
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Martin-Schiller/net-x25-add-remove-x25_link_device-by-NETDEV_REGISTER-UNREGISTER/20201116-153459
git checkout 2d44533245f7e8388db93c53c26703ac52650e57
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
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 >>):
>> net/x25/af_x25.c:1709:30: error: assigning to 'struct compat_x25_facilities' from incompatible type 'struct x25_facilities'
x25_subscr.facilities = nb->facilities;
^ ~~~~~~~~~~~~~~
>> net/x25/af_x25.c:1761:24: error: assigning to 'struct x25_facilities' from incompatible type 'struct compat_x25_facilities'
nb->facilities = x25_subscr.facilities;
^ ~~~~~~~~~~~~~~~~~~~~~
2 errors generated.
vim +1709 net/x25/af_x25.c
1678
1679 #ifdef CONFIG_COMPAT
1680 static int compat_x25_subscr_ioctl(unsigned int cmd,
1681 struct compat_x25_subscrip_struct __user *x25_subscr32)
1682 {
1683 struct compat_x25_subscrip_struct x25_subscr;
1684 struct x25_neigh *nb;
1685 struct net_device *dev;
1686 int rc = -EINVAL;
1687
1688 if (cmd != SIOCX25GSUBSCRIP && cmd != SIOCX25SSUBSCRIP)
1689 goto out;
1690
1691 rc = -EFAULT;
1692 if (copy_from_user(&x25_subscr, x25_subscr32, sizeof(*x25_subscr32)))
1693 goto out;
1694
1695 rc = -EINVAL;
1696 dev = x25_dev_get(x25_subscr.device);
1697 if (dev == NULL)
1698 goto out;
1699
1700 nb = x25_get_neigh(dev);
1701 if (nb == NULL)
1702 goto out_dev_put;
1703
1704 if (cmd == SIOCX25GSUBSCRIP) {
1705 read_lock_bh(&x25_neigh_list_lock);
1706 x25_subscr.extended = nb->extended;
1707 x25_subscr.dce = nb->dce;
1708 x25_subscr.lc = nb->lc;
> 1709 x25_subscr.facilities = nb->facilities;
1710 x25_subscr.t20 = nb->t20;
1711 x25_subscr.global_facil_mask = nb->global_facil_mask;
1712 read_unlock_bh(&x25_neigh_list_lock);
1713 rc = copy_to_user(x25_subscr32, &x25_subscr,
1714 sizeof(*x25_subscr32)) ? -EFAULT : 0;
1715 } else {
1716 rc = -EINVAL;
1717
1718 if (dev->flags & IFF_UP)
1719 return -EBUSY;
1720
1721 if (x25_subscr.extended != 0 && x25_subscr.extended != 1)
1722 goto out_dev_and_neigh_put;
1723 if (x25_subscr.dce != 0 && x25_subscr.dce != 1)
1724 goto out_dev_and_neigh_put;
1725 if (x25_subscr.lc < 1 || x25_subscr.lc > 4095)
1726 goto out_dev_and_neigh_put;
1727 if (x25_subscr.facilities.pacsize_in < X25_PS16 ||
1728 x25_subscr.facilities.pacsize_in > X25_PS4096)
1729 goto out_dev_and_neigh_put;
1730 if (x25_subscr.facilities.pacsize_out < X25_PS16 ||
1731 x25_subscr.facilities.pacsize_out > X25_PS4096)
1732 goto out_dev_and_neigh_put;
1733 if (x25_subscr.facilities.winsize_in < 1 ||
1734 x25_subscr.facilities.winsize_in > 127)
1735 goto out_dev_and_neigh_put;
1736 if (x25_subscr.facilities.throughput) {
1737 int out = x25_subscr.facilities.throughput & 0xf0;
1738 int in = x25_subscr.facilities.throughput & 0x0f;
1739 if (!out)
1740 x25_subscr.facilities.throughput |=
1741 X25_DEFAULT_THROUGHPUT << 4;
1742 else if (out < 0x30 || out > 0xD0)
1743 goto out_dev_and_neigh_put;
1744 if (!in)
1745 x25_subscr.facilities.throughput |=
1746 X25_DEFAULT_THROUGHPUT;
1747 else if (in < 0x03 || in > 0x0D)
1748 goto out_dev_and_neigh_put;
1749 }
1750 if (x25_subscr.facilities.reverse &&
1751 (x25_subscr.facilities.reverse & 0x81) != 0x81)
1752 goto out_dev_and_neigh_put;
1753 if (x25_subscr.t20 < 1 * HZ || x25_subscr.t20 > 300 * HZ)
1754 goto out_dev_and_neigh_put;
1755
1756 rc = 0;
1757 write_lock_bh(&x25_neigh_list_lock);
1758 nb->extended = x25_subscr.extended;
1759 nb->dce = x25_subscr.dce;
1760 nb->lc = x25_subscr.lc;
> 1761 nb->facilities = x25_subscr.facilities;
1762 nb->t20 = x25_subscr.t20;
1763 nb->global_facil_mask = x25_subscr.global_facil_mask;
1764 write_unlock_bh(&x25_neigh_list_lock);
1765 }
1766 dev_put(dev);
1767
1768 x25_neigh_put(nb);
1769 out:
1770 return rc;
1771 out_dev_and_neigh_put:
1772 x25_neigh_put(nb);
1773 out_dev_put:
1774 dev_put(dev);
1775 goto out;
1776 }
1777
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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