io_uring: correct check for O_TMPFILE
authorAleksa Sarai <cyphar@cyphar.com>
Sat, 12 Aug 2023 13:16:11 +0000 (07:16 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 Aug 2023 16:27:24 +0000 (18:27 +0200)
commit5aac2726b6930f9d5dffb1090ebfc0cdfad6a30c
treead5825a66f080f8ee596731b4184b3298a435a8f
parentb61a06eca15cc4fd6ff50540ba3bbdea76e52c6b
io_uring: correct check for O_TMPFILE

Commit 72dbde0f2afbe4af8e8595a89c650ae6b9d9c36f upstream.

O_TMPFILE is actually __O_TMPFILE|O_DIRECTORY. This means that the old
check for whether RESOLVE_CACHED can be used would incorrectly think
that O_DIRECTORY could not be used with RESOLVE_CACHED.

Cc: stable@vger.kernel.org # v5.12+
Fixes: 3a81fd02045c ("io_uring: enable LOOKUP_CACHED path resolution for filename lookups")
Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
Link: https://lore.kernel.org/r/20230807-resolve_cached-o_tmpfile-v3-1-e49323e1ef6f@cyphar.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
io_uring/openclose.c