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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-08-09 12:12:52 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-08-09 12:12:52 +0200 |
| commit | d0ed4c60abfb9a4ab6cd416d1dea9df6266f8fc7 (patch) | |
| tree | 8fd3af1a9e788333e85d2a51a4fc2a9858a9a95a /fs/inode.c | |
| parent | 72a361a5b91c77b33ab2533674fdcec4de3278d0 (diff) | |
| parent | aba941392aeef2d1bc064a1e4b09293473ef7b9b (diff) | |
Merge branch 'acpi-scan' to satisfy dependencies.
Diffstat (limited to 'fs/inode.c')
| -rw-r--r-- | fs/inode.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/inode.c b/fs/inode.c index 2c300e981796..8c86c809ca17 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -1999,8 +1999,14 @@ void inode_init_owner(struct inode *inode, const struct inode *dir, inode->i_uid = current_fsuid(); if (dir && dir->i_mode & S_ISGID) { inode->i_gid = dir->i_gid; + + /* Directories are special, and always inherit S_ISGID */ if (S_ISDIR(mode)) mode |= S_ISGID; + else if ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP) && + !in_group_p(inode->i_gid) && + !capable_wrt_inode_uidgid(dir, CAP_FSETID)) + mode &= ~S_ISGID; } else inode->i_gid = current_fsgid(); inode->i_mode = mode; |