On Wed, 28 Jul 2021 01:25:18 +0800 kernel test robot wrote: > Hi Pavel, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on ipsec-next/master] > [also build test ERROR on next-20210726] > [cannot apply to ipsec/master net-next/master net/master > sparc-next/master v5.14-rc3] [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/Pavel-Skripkin/net-xfrm-fix-shift-out-of-bounce/20210727-224549 > base: > https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git > master config: s390-randconfig-r034-20210727 (attached as .config) > compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project > c658b472f3e61e1818e1909bf02f3d65470018a5) 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 s390 cross > compiling tool for clang build # apt-get install > binutils-s390x-linux-gnu # > https://github.com/0day-ci/linux/commit/0d1cb044926e3d81c86b5add2eeaf38c7aec7f90 > git remote add linux-review https://github.com/0day-ci/linux git > fetch --no-tags linux-review > Pavel-Skripkin/net-xfrm-fix-shift-out-of-bounce/20210727-224549 git > checkout 0d1cb044926e3d81c86b5add2eeaf38c7aec7f90 # save the attached > .config to linux build tree mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross > O=build_dir ARCH=s390 SHELL=/bin/bash net/xfrm/ > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All errors (new ones prefixed by >>): > > In file included from net/xfrm/xfrm_user.c:22: > 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/s390/include/asm/io.h:75: > 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/big_endian.h:36:59: 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/xfrm/xfrm_user.c:22: > 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/s390/include/asm/io.h:75: > 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/big_endian.h:34:59: 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/xfrm/xfrm_user.c:22: > 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/s390/include/asm/io.h:75: > 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:609:20: 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:617:20: 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:625:20: 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:634:21: 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:643:21: 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:652:21: > warning: performing pointer arithmetic on a null pointer has > undefined behavior [-Wnull-pointer-arithmetic] writesl(PCI_IOBASE + > addr, buffer, count); ~~~~~~~~~~ ^ > >> net/xfrm/xfrm_user.c:1975:54: error: expected ';' after expression > dirmask = (1 << up->dirmask) & XFRM_POL_DEFAULT_MASK > ^ > ; Oops :) Thank you, kernel test robot. #syz test git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master With regards, Pavel Skripkin