On 2019-10-01, kbuild test robot <lkp@xxxxxxxxx> wrote: > Hi Aleksa, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on linus/master] > [cannot apply to v5.4-rc1 next-20190930] > [if your patch is applied to the wrong git tree, please drop us a note to help > improve the system. BTW, we also suggest to use '--base' option to specify the > base tree in git format-patch, please see https://stackoverflow.com/a/37406982] I forgot to include --base to signify this series depends on the copy_struct_from_user() one. I'll include it in the next version. > url: https://github.com/0day-ci/linux/commits/Aleksa-Sarai/namei-openat2-2-path-resolution-restrictions/20191001-025628 > config: i386-defconfig (attached as .config) > compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > fs/open.c: In function '__do_sys_openat2': > >> fs/open.c:1173:8: error: implicit declaration of function 'copy_struct_from_user'; did you mean 'copy_siginfo_from_user'? [-Werror=implicit-function-declaration] > err = copy_struct_from_user(&tmp, sizeof(tmp), how, usize); > ^~~~~~~~~~~~~~~~~~~~~ > copy_siginfo_from_user > cc1: some warnings being treated as errors > > vim +1173 fs/open.c > > 1163 > 1164 SYSCALL_DEFINE4(openat2, int, dfd, const char __user *, filename, > 1165 const struct open_how __user *, how, size_t, usize) > 1166 { > 1167 int err; > 1168 struct open_how tmp; > 1169 > 1170 if (unlikely(usize < OPEN_HOW_SIZE_VER0)) > 1171 return -EINVAL; > 1172 > > 1173 err = copy_struct_from_user(&tmp, sizeof(tmp), how, usize); > 1174 if (err) > 1175 return err; > 1176 > 1177 if (force_o_largefile()) > 1178 tmp.flags |= O_LARGEFILE; > 1179 > 1180 return do_sys_open(dfd, filename, &tmp); > 1181 } > 1182 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation -- Aleksa Sarai Senior Software Engineer (Containers) SUSE Linux GmbH <https://www.cyphar.com/>
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