This patchset is another attempt to add missing dentry revalidations to
certain places in the lookup codepath. The main difference from the last
patchset is:
* I've dropped the patch that added permissions checks when chasing
LAST_BIND symlinks. There's a lot disagreement about whether the
current behavior is even a bug. I'd prefer to see more concensus on
that point before we do anything here.
* I've rejiggered the error handling in this codepath to ensure that the
bind mounts could still be unmounted. Testing showed that returning an
error in do_lookup when a bind-mounted dentry went stale made it
un-unmountable.
Comments and suggestions appreciated...
Jeff Layton (2):
vfs: force reval of target when following LAST_BIND symlinks
vfs: force reval on dentry of bind mounted files on FS_REVAL_DOT
filesystems
fs/namei.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 55 insertions(+), 1 deletions(-)
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