* Re: [PATCH RFC net-next v3 4/8] vsock: make vsock bind reusable
[not found] <20230413-b4-vsock-dgram-v3-4-c2414413ef6a@bytedance.com>
@ 2023-06-01 17:15 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-06-01 17:15 UTC (permalink / raw)
To: Bobby Eshleman; +Cc: llvm, oe-kbuild-all
Hi Bobby,
[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:
[auto build test WARNING on ed72bd5a6790a0c3747cb32b0427f921bd03bb71]
url: https://github.com/intel-lab-lkp/linux/commits/Bobby-Eshleman/vsock-dgram-generalize-recvmsg-and-drop-transport-dgram_dequeue/20230531-084049
base: ed72bd5a6790a0c3747cb32b0427f921bd03bb71
patch link: https://lore.kernel.org/r/20230413-b4-vsock-dgram-v3-4-c2414413ef6a%40bytedance.com
patch subject: [PATCH RFC net-next v3 4/8] vsock: make vsock bind reusable
config: s390-randconfig-r044-20230531 (https://download.01.org/0day-ci/archive/20230602/202306020103.SKP4Pz6Z-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 4faf3aaf28226a4e950c103a14f6fc1d1fdabb1b)
reproduce (this is a W=1 build):
mkdir -p ~/bin
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/f69c7f6d6d618c47334134277ad9a2d3877020f5
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Bobby-Eshleman/vsock-dgram-generalize-recvmsg-and-drop-transport-dgram_dequeue/20230531-084049
git checkout f69c7f6d6d618c47334134277ad9a2d3877020f5
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=s390 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash net/vmw_vsock/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306020103.SKP4Pz6Z-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from net/vmw_vsock/af_vsock.c:93:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:547:31: 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:560:61: 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/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
#define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
^
In file included from net/vmw_vsock/af_vsock.c:93:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:573:61: 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/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
#define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
^
In file included from net/vmw_vsock/af_vsock.c:93:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:584:33: 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:594:59: 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:604:59: 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:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
>> net/vmw_vsock/af_vsock.c:233:14: warning: no previous prototype for function 'vsock_find_bound_socket_common' [-Wmissing-prototypes]
struct sock *vsock_find_bound_socket_common(struct sockaddr_vm *addr,
^
net/vmw_vsock/af_vsock.c:233:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
struct sock *vsock_find_bound_socket_common(struct sockaddr_vm *addr,
^
static
>> net/vmw_vsock/af_vsock.c:652:5: warning: no previous prototype for function 'vsock_bind_common' [-Wmissing-prototypes]
int vsock_bind_common(struct vsock_sock *vsk,
^
net/vmw_vsock/af_vsock.c:652:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int vsock_bind_common(struct vsock_sock *vsk,
^
static
>> net/vmw_vsock/af_vsock.c:720:5: warning: no previous prototype for function 'vsock_bind_stream' [-Wmissing-prototypes]
int vsock_bind_stream(struct vsock_sock *vsk,
^
net/vmw_vsock/af_vsock.c:720:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int vsock_bind_stream(struct vsock_sock *vsk,
^
static
15 warnings generated.
vim +/vsock_find_bound_socket_common +233 net/vmw_vsock/af_vsock.c
232
> 233 struct sock *vsock_find_bound_socket_common(struct sockaddr_vm *addr,
234 struct list_head *bind_table)
235 {
236 struct vsock_sock *vsk;
237
238 list_for_each_entry(vsk, bind_table, bound_table) {
239 if (vsock_addr_equals_addr(addr, &vsk->local_addr))
240 return sk_vsock(vsk);
241
242 if (addr->svm_port == vsk->local_addr.svm_port &&
243 (vsk->local_addr.svm_cid == VMADDR_CID_ANY ||
244 addr->svm_cid == VMADDR_CID_ANY))
245 return sk_vsock(vsk);
246 }
247
248 return NULL;
249 }
250
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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