Messages in this thread Patch in this message | | | From | Leon Yu <> | Subject | [PATCH] aio: fix potential leak in aio_run_iocb(). | Date | Thu, 1 May 2014 03:31:28 +0000 |
| |
iovec should be reclaimed whenever caller of rw_copy_check_uvector() returns, but it doesn't hold when failure happens right after aio_setup_vectored_rw().
Fix that in a such way to avoid hairy goto.
Signed-off-by: Leon Yu <chianglungyu@gmail.com> --- fs/aio.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/fs/aio.c b/fs/aio.c index 12a3de0e..04cd768 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -1299,10 +1299,8 @@ rw_common: &iovec, compat) : aio_setup_single_vector(req, rw, buf, &nr_segs, iovec); - if (ret) - return ret; - - ret = rw_verify_area(rw, file, &req->ki_pos, req->ki_nbytes); + if (!ret) + ret = rw_verify_area(rw, file, &req->ki_pos, req->ki_nbytes); if (ret < 0) { if (iovec != &inline_vec) kfree(iovec); -- 1.9.2
| |