tree 2526c919b059f3773dc923717368ff94c9d626f6
parent 357fdad075abb976ee43f2dd450c40dcef4b7e2d
author Tuomas Tynkkynen <tuomas@tuxera.com> 1504709947 +0300
committer Al Viro <viro@zeniv.linux.org.uk> 1508814601 -0400

fs/9p: Compare qid.path in v9fs_test_inode

Commit fd2421f54423 ("fs/9p: When doing inode lookup compare qid details
and inode mode bits.") transformed v9fs_qid_iget() to use iget5_locked()
instead of iget_locked(). However, the test() callback is not checking
fid.path at all, which means that a lookup in the inode cache can now
accidentally locate a completely wrong inode from the same inode hash
bucket if the other fields (qid.type and qid.version) match.

Fixes: fd2421f54423 ("fs/9p: When doing inode lookup compare qid details and inode mode bits.")
Cc: stable@vger.kernel.org
Reviewed-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Tuomas Tynkkynen <tuomas@tuxera.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>