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(parent: b7c6d08) | patch
io_uring/kbuf: reject zero sized provided buffers
authorJens Axboe <axboe@kernel.dk>
Mon, 7 Apr 2025 13:51:23 +0000 (07:51 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 20 Apr 2025 08:15:40 +0000 (10:15 +0200)
commit3e0356857ed5986d62203a567cd5e51513643176
treeb01526fb0b46820e1002e8ec4c4568b9bdfe4eabtree
parentb7c6d081c19a5e11bbd77bb97a62cff2b6b21cb5commit | diff
io_uring/kbuf: reject zero sized provided buffers

commit cf960726eb65e8d0bfecbcce6cf95f47b1ffa6cc 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>
io_uring/kbuf.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git