Fixes a use-after-free in do_last() handling of sysctl_protected_... checks.
UAF normally doesn't happen there, but race with rename() and it becomes possible.
The following changes since commit 508c8772760d4ef9c1a044519b564710c3684fc5:
fix autofs regression caused by follow_managed() changes (2020-01-15 01:36:46 -0500)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git fixes
for you to fetch changes up to d0cb50185ae942b03c4327be322055d622dc79f6:
do_last(): fetch directory ->i_mode and ->i_uid before it's too late (2020-01-26 09:31:07 -0500)
----------------------------------------------------------------
Al Viro (1):
do_last(): fetch directory ->i_mode and ->i_uid before it's too late
fs/namei.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
