linux/io_uring/kbuf.c
Jens Axboe 3e0356857e io_uring/kbuf: reject zero sized provided buffers
commit cf960726eb upstream.

This isn't fixing a real issue, but there's also zero point in going
through group and buffer setup, when the buffers are going to be
rejected once attempted to get used.

Cc: stable@vger.kernel.org
Reported-by: syzbot+58928048fd1416f1457c@syzkaller.appspotmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-04-20 10:15:40 +02:00

851 lines
21 KiB