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Date: Thu, 12 May 2022 23:48:49 +0800
From: kernel test robot <lkp@...el.com>
To: Eric Dumazet <eric.dumazet@...il.com>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
netdev <netdev@...r.kernel.org>,
Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH net-next 09/10] ipv6: add READ_ONCE(sk->sk_bound_dev_if)
in INET6_MATCH()
Hi Eric,
I love your patch! Yet something to improve:
[auto build test ERROR on net-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Eric-Dumazet/net-add-annotations-for-sk-sk_bound_dev_if/20220512-073914
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git b57c7e8b76c646cf77ce4353a779a8b781592209
config: riscv-randconfig-r032-20220512 (https://download.01.org/0day-ci/archive/20220512/202205122338.qp5zlcyC-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 18dd123c56754edf62c7042dcf23185c3727610f)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/ba3ce839eb3de33511aa07e29cabb8e7ed4e0cf0
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Eric-Dumazet/net-add-annotations-for-sk-sk_bound_dev_if/20220512-073914
git checkout ba3ce839eb3de33511aa07e29cabb8e7ed4e0cf0
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash net/
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 >>):
In file included from net/core/filter.c:26:
In file included from include/linux/sock_diag.h:5:
In file included from include/linux/netlink.h:7:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from net/core/filter.c:26:
In file included from include/linux/sock_diag.h:5:
In file included from include/linux/netlink.h:7:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from net/core/filter.c:26:
In file included from include/linux/sock_diag.h:5:
In file included from include/linux/netlink.h:7:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:1024:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
~~~~~~~~~~ ^
In file included from net/core/filter.c:64:
>> include/net/inet6_hashtables.h:119:28: error: no member named 'skc_v6_daddr' in 'struct sock_common'; did you mean 'skc_daddr'?
!ipv6_addr_equal(&sk->sk_v6_daddr, saddr) ||
^
include/net/sock.h:388:34: note: expanded from macro 'sk_v6_daddr'
#define sk_v6_daddr __sk_common.skc_v6_daddr
^
include/net/sock.h:170:11: note: 'skc_daddr' declared here
__be32 skc_daddr;
^
In file included from net/core/filter.c:64:
>> include/net/inet6_hashtables.h:120:28: error: no member named 'skc_v6_rcv_saddr' in 'struct sock_common'; did you mean 'skc_rcv_saddr'?
!ipv6_addr_equal(&sk->sk_v6_rcv_saddr, daddr))
^
include/net/sock.h:389:37: note: expanded from macro 'sk_v6_rcv_saddr'
#define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr
^
include/net/sock.h:171:11: note: 'skc_rcv_saddr' declared here
__be32 skc_rcv_saddr;
^
7 warnings and 2 errors generated.
vim +119 include/net/inet6_hashtables.h
107
108 static inline bool INET6_MATCH(const struct sock *sk, struct net *net,
109 const struct in6_addr *saddr,
110 const struct in6_addr *daddr,
111 const __portpair ports,
112 const int dif, const int sdif)
113 {
114 int bound_dev_if;
115
116 if (!net_eq(sock_net(sk), net) ||
117 sk->sk_family != AF_INET6 ||
118 sk->sk_portpair != ports ||
> 119 !ipv6_addr_equal(&sk->sk_v6_daddr, saddr) ||
> 120 !ipv6_addr_equal(&sk->sk_v6_rcv_saddr, daddr))
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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