diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-03-25 17:36:31 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-03-25 23:07:06 +0100 |
| commit | c86d18f4aa93e0e66cda0e55827cd03eea6bc5f8 (patch) | |
| tree | e40e3457c300917787897f7b9509bc70119f0419 /fs | |
| parent | io_uring: fix put_kbuf without proper locking (diff) | |
| download | linux-c86d18f4aa93e0e66cda0e55827cd03eea6bc5f8.tar.xz linux-c86d18f4aa93e0e66cda0e55827cd03eea6bc5f8.zip | |
io_uring: fix memory leak of uid in files registration
When there are no files for __io_sqe_files_scm() to process in the
range, it'll free everything and return. However, it forgets to put uid.
Fixes: 08a451739a9b5 ("io_uring: allow sparse fixed file sets")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/accee442376f33ce8aaebb099d04967533efde92.1648226048.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/io_uring.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index cc3a22d60fb4..39a9ff31dbc5 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -8845,6 +8845,7 @@ static int __io_sqe_files_scm(struct io_ring_ctx *ctx, int nr, int offset) fput(fpl->fp[i]); } else { kfree_skb(skb); + free_uid(fpl->user); kfree(fpl); } |