12:18 a.m.
tree: https://github.com/jpirko/linux_mlxsw net_next_queue
head: ce6310a4aba2da1dc893711cbce783d143142dec
commit: 1a9b86c9fd9536b5c0dfbf7b4acbb7f61c820b74 [1058/1107] rxrpc: use udp tunnel APIs
instead of open code in rxrpc_open_socket
config: powerpc64-randconfig-r016-20210209 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
c9439ca36342fb6013187d0a69aef92736951476)
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 powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
#
https://github.com/jpirko/linux_mlxsw/commit/1a9b86c9fd9536b5c0dfbf7b4acb...
git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw
git fetch --no-tags jpirko-mlxsw net_next_queue
git checkout 1a9b86c9fd9536b5c0dfbf7b4acbb7f61c820b74
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:43:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:41:1: note: expanded from here
__do_insb
^
arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb'
#define __do_insb(p, b, n) readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from net/rxrpc/local_object.c:12:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:43:1: note: expanded from here
__do_insw
^
arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
#define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from net/rxrpc/local_object.c:12:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:45:1: note: expanded from here
__do_insl
^
arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
#define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from net/rxrpc/local_object.c:12:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:47:1: note: expanded from here
__do_outsb
^
arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
#define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from net/rxrpc/local_object.c:12:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:49:1: note: expanded from here
__do_outsw
^
arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from net/rxrpc/local_object.c:12:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/powerpc/include/asm/io.h:619:
arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:616:3: note: expanded from macro
'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:51:1: note: expanded from here
__do_outsl
^
arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
> net/rxrpc/local_object.c:124:12: error: no member named
'local_ip6' in 'struct udp_port_cfg'
udp_conf.local_ip6 = srx->transport.sin6.sin6_addr;
~~~~~~~~ ^
12 warnings and 1 error generated.
vim +124 net/rxrpc/local_object.c
103
104 /*
105 * create the local socket
106 * - must be called with rxrpc_local_mutex locked
107 */
108 static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
109 {
110 struct udp_tunnel_sock_cfg tuncfg = {NULL};
111 struct sockaddr_rxrpc *srx = &local->srx;
112 struct udp_port_cfg udp_conf = {0};
113 struct sock *usk;
114 int ret;
115
116 _enter("%p{%d,%d}",
117 local, srx->transport_type, srx->transport.family);
118
119 udp_conf.family = srx->transport.family;
120 if (udp_conf.family == AF_INET) {
121 udp_conf.local_ip = srx->transport.sin.sin_addr;
122 udp_conf.local_udp_port = srx->transport.sin.sin_port;
123 } else {
124 udp_conf.local_ip6 = srx->transport.sin6.sin6_addr;
125 udp_conf.local_udp_port = srx->transport.sin6.sin6_port;
126 }
127 ret = udp_sock_create(net, &udp_conf, &local->socket);
128 if (ret < 0) {
129 _leave(" = %d [socket]", ret);
130 return ret;
131 }
132
133 tuncfg.encap_type = UDP_ENCAP_RXRPC;
134 tuncfg.encap_rcv = rxrpc_input_packet;
135 tuncfg.sk_user_data = local;
136 setup_udp_tunnel_sock(net, local->socket, &tuncfg);
137
138 /* set the socket up */
139 usk = local->socket->sk;
140 usk->sk_error_report = rxrpc_error_report;
141
142 switch (srx->transport.family) {
143 case AF_INET6:
144 /* we want to receive ICMPv6 errors */
145 ip6_sock_set_recverr(usk);
146
147 /* Fall through and set IPv4 options too otherwise we don't get
148 * errors from IPv4 packets sent through the IPv6 socket.
149 */
150 fallthrough;
151 case AF_INET:
152 /* we want to receive ICMP errors */
153 ip_sock_set_recverr(usk);
154
155 /* we want to set the don't fragment bit */
156 ip_sock_set_mtu_discover(usk, IP_PMTUDISC_DO);
157
158 /* We want receive timestamps. */
159 sock_enable_timestamps(usk);
160 break;
161
162 default:
163 BUG();
164 }
165
166 _leave(" = 0");
167 return 0;
168 }
169
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org