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author | Ingo Molnar <mingo@kernel.org> | 2019-05-13 21:30:15 +0300 |
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committer | Ingo Molnar <mingo@kernel.org> | 2019-05-13 21:30:15 +0300 |
commit | 82045dd85566d87128dcc66277cf1177d9930a4a (patch) | |
tree | 22fea6311a4866293005a1a44f34310e4007a3c9 /fs/inode.c | |
parent | e0478542cfd4d993e38d5f92a3f3ecd238805e96 (diff) | |
parent | ffa6f55eb6188ee73339cab710fabf30d13110a7 (diff) | |
download | linux-82045dd85566d87128dcc66277cf1177d9930a4a.tar.xz |
Merge branch 'linus' into core/urgent, to merge in dependent changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/inode.c')
-rw-r--r-- | fs/inode.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/inode.c b/fs/inode.c index e9d97add2b36..9a453f3637f8 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -1817,8 +1817,13 @@ int file_remove_privs(struct file *file) int kill; int error = 0; - /* Fast path for nothing security related */ - if (IS_NOSEC(inode)) + /* + * Fast path for nothing security related. + * As well for non-regular files, e.g. blkdev inodes. + * For example, blkdev_write_iter() might get here + * trying to remove privs which it is not allowed to. + */ + if (IS_NOSEC(inode) || !S_ISREG(inode->i_mode)) return 0; kill = dentry_needs_remove_privs(dentry); |