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(parent: 5a17131) | patch
io_uring/kbuf: reject zero sized provided buffers io_uring-6.15-20250410
authorJens Axboe <axboe@kernel.dk>
Mon, 7 Apr 2025 13:51:23 +0000 (07:51 -0600)
committerJens Axboe <axboe@kernel.dk>
Mon, 7 Apr 2025 13:51:23 +0000 (07:51 -0600)
commitcf960726eb65e8d0bfecbcce6cf95f47b1ffa6cc
tree72dc0009a183968b05f9d0749f8d15620e40b3detree
parent5a17131a5dbd0ebca655bfb65fe3fe643ccc27f3commit | diff
io_uring/kbuf: reject zero sized provided buffers

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>
io_uring/kbuf.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)