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| author | Stefan Schmidt <stefan@datenfreihafen.org> | 2018-08-06 09:04:48 +0200 |
|---|---|---|
| committer | Stefan Schmidt <stefan@datenfreihafen.org> | 2018-08-06 09:04:48 +0200 |
| commit | a30461080366214b690a367225a48c95d7a6a189 (patch) | |
| tree | 02cd7cfb8cea14cebe1ab2a1638edd8c9b9e0d3f /fs/inode.c | |
| parent | 811e299f4645588cc7a1b78d97b6847c155324b9 (diff) | |
| parent | 981467033a37d916649647fa3afe1fe99bba1817 (diff) | |
Merge remote-tracking branch 'net-next/master'
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; |