> > Hi Namjae, Hi, > > First bad commit (maybe != root cause): > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 931294922e65a23e1aad6398b9ae02df74044679 > commit: 001c10aa51b4deb76eb074442ad1eac6df042f97 [3666/7588] cifsd: add Kconfig and Makefile > config: m68k-randconfig-r024-20210326 (attached as .config) > compiler: m68k-linux-gcc (GCC) 9.3.0 > reproduce (this is a W=1 build): > wget https://protect2.fireeye.com/v1/url?k=7cd734be-234c0df1-7cd6bff1-0cc47a30d446- > 6953035eb0a4be06&q=1&e=47f24740-e7a2-4216-818b- > e956bff95745&u=https%3A%2F%2Fraw.githubusercontent.com%2Fintel%2Flkp- > tests%2Fmaster%2Fsbin%2Fmake.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux- > next.git/commit/?id=001c10aa51b4deb76eb074442ad1eac6df042f97 > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout 001c10aa51b4deb76eb074442ad1eac6df042f97 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> Thanks for your report! Will fix it:) Thanks! > > All errors (new ones prefixed by >>): > > fs/cifsd/smb_common.c: In function 'ksmbd_override_fsids': > >> fs/cifsd/smb_common.c:613:7: error: implicit declaration of function > >> 'groups_alloc'; did you mean 'cgroup_sk_alloc'? > >> [-Werror=implicit-function-declaration] > 613 | gi = groups_alloc(0); > | ^~~~~~~~~~~~ > | cgroup_sk_alloc > fs/cifsd/smb_common.c:613:5: warning: assignment to 'struct group_info *' from 'int' makes pointer > from integer without a cast [-Wint-conversion] > 613 | gi = groups_alloc(0); > | ^ > >> fs/cifsd/smb_common.c:618:2: error: implicit declaration of function > >> 'set_groups'; did you mean 'get_cgroup_ns'? > >> [-Werror=implicit-function-declaration] > 618 | set_groups(cred, gi); > | ^~~~~~~~~~ > | get_cgroup_ns > cc1: some warnings being treated as errors > > Kconfig warnings: (for reference only) > WARNING: unmet direct dependencies detected for CRYPTO_ARC4 > Depends on CRYPTO && CRYPTO_USER_API_ENABLE_OBSOLETE > Selected by > - SMB_SERVER && NETWORK_FILESYSTEMS && INET > > > vim +613 fs/cifsd/smb_common.c > > 788b6f45c1d2ee Namjae Jeon 2021-03-16 589 788b6f45c1d2ee Namjae Jeon 2021-03-16 590 int > ksmbd_override_fsids(struct ksmbd_work *work) 788b6f45c1d2ee Namjae Jeon 2021-03-16 591 { > 788b6f45c1d2ee Namjae Jeon 2021-03-16 592 struct ksmbd_session *sess = work->sess; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 593 struct ksmbd_share_config *share = work->tcon- > >share_conf; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 594 struct cred *cred; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 595 struct group_info *gi; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 596 unsigned int uid; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 597 unsigned int gid; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 598 > 788b6f45c1d2ee Namjae Jeon 2021-03-16 599 uid = user_uid(sess->user); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 600 gid = user_gid(sess->user); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 601 if (share->force_uid != KSMBD_SHARE_INVALID_UID) > 788b6f45c1d2ee Namjae Jeon 2021-03-16 602 uid = share->force_uid; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 603 if (share->force_gid != KSMBD_SHARE_INVALID_GID) > 788b6f45c1d2ee Namjae Jeon 2021-03-16 604 gid = share->force_gid; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 605 > 788b6f45c1d2ee Namjae Jeon 2021-03-16 606 cred = prepare_kernel_cred(NULL); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 607 if (!cred) > 788b6f45c1d2ee Namjae Jeon 2021-03-16 608 return -ENOMEM; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 609 > 788b6f45c1d2ee Namjae Jeon 2021-03-16 610 cred->fsuid = make_kuid(current_user_ns(), uid); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 611 cred->fsgid = make_kgid(current_user_ns(), gid); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 612 > 788b6f45c1d2ee Namjae Jeon 2021-03-16 @613 gi = groups_alloc(0); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 614 if (!gi) { > 788b6f45c1d2ee Namjae Jeon 2021-03-16 615 abort_creds(cred); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 616 return -ENOMEM; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 617 } > 788b6f45c1d2ee Namjae Jeon 2021-03-16 @618 set_groups(cred, gi); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 619 put_group_info(gi); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 620 > 788b6f45c1d2ee Namjae Jeon 2021-03-16 621 if (!uid_eq(cred->fsuid, GLOBAL_ROOT_UID)) > 788b6f45c1d2ee Namjae Jeon 2021-03-16 622 cred->cap_effective = cap_drop_fs_set(cred- > >cap_effective); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 623 > 788b6f45c1d2ee Namjae Jeon 2021-03-16 624 WARN_ON(work->saved_cred != NULL); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 625 work->saved_cred = override_creds(cred); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 626 if (!work->saved_cred) { > 788b6f45c1d2ee Namjae Jeon 2021-03-16 627 abort_creds(cred); > 788b6f45c1d2ee Namjae Jeon 2021-03-16 628 return -EINVAL; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 629 } > 788b6f45c1d2ee Namjae Jeon 2021-03-16 630 return 0; > 788b6f45c1d2ee Namjae Jeon 2021-03-16 631 } 788b6f45c1d2ee Namjae Jeon 2021-03-16 632 > > :::::: The code at line 613 was first introduced by commit > :::::: 788b6f45c1d2eef909c296d775196bc6ec7dd63a cifsd: add server-side procedures for SMB3 > > :::::: TO: Namjae Jeon <namjae.jeon@xxxxxxxxxxx> > :::::: CC: Namjae Jeon <namjae.jeon@xxxxxxxxxxx> > > --- > 0-DAY CI Kernel Test Service, Intel Corporation https://protect2.fireeye.com/v1/url?k=7993f9c1- > 2608c08e-7992728e-0cc47a30d446-296faa3641d1eba2&q=1&e=47f24740-e7a2-4216-818b- > e956bff95745&u=https%3A%2F%2Flists.01.org%2Fhyperkitty%2Flist%2Fkbuild-all%40lists.01.org
