[RAMEN9610-21564]do_last(): fetch directory ->i_mode and ->i_uid before it's too...
authorAl Viro <viro@zeniv.linux.org.uk>
Sun, 26 Jan 2020 14:29:34 +0000 (09:29 -0500)
committerPDO SCM Team <hudsoncm@motorola.com>
Thu, 28 May 2020 22:48:51 +0000 (22:48 +0000)
commit5aae84169c8197cbd1c18d6a70e2056bb3d72af8
treeefea5c116d55c022c83d1d94ff114dcd9edf54b9
parent4facfb8b40e38a5a5370e48049d977eab4aac061
[RAMEN9610-21564]do_last(): fetch directory ->i_mode and ->i_uid before it's too late

commit d0cb50185ae942b03c4327be322055d622dc79f6 upstream.

may_create_in_sticky() call is done when we already have dropped the
reference to dir.

Change-Id: Ied338ffbf1c0ab7a9ed65dfb25fc44bde879d64b
Fixes: 30aba6656f61e (namei: allow restricted O_CREAT of FIFOs and regular files)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/namei.c