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| author | Pavel Begunkov <asml.silence@gmail.com> | 2020-12-06 22:22:46 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-12-07 08:43:44 -0700 |
| commit | e8c954df234145c5765870382c2bc630a48beec9 (patch) | |
| tree | 7d2aa221c44703939d97de9328729e3caeb7ae38 | |
| parent | 2d280bc8930ba9ed1705cfd548c6c8924949eaf1 (diff) | |
| download | linux-fullhistory-e8c954df234145c5765870382c2bc630a48beec9.tar.gz | |
io_uring: fix mis-seting personality's creds
After io_identity_cow() copies an work.identity it wants to copy creds
to the new just allocated id, not the old one. Otherwise it's
akin to req->work.identity->creds = req->work.identity->creds.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/io_uring.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index a2a7c65a77aa92..908817cea4f54a 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1284,7 +1284,7 @@ static bool io_identity_cow(struct io_kiocb *req) */ io_init_identity(id); if (creds) - req->work.identity->creds = creds; + id->creds = creds; /* add one for this request */ refcount_inc(&id->count); |