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(parent: d3125db) | patch
io_uring: reg buffer overflow checks hardening
authorPavel Begunkov <asml.silence@gmail.com>
Wed, 24 Mar 2021 22:59:01 +0000 (22:59 +0000)
committerJens Axboe <axboe@kernel.dk>
Sun, 4 Apr 2021 21:27:39 +0000 (15:27 -0600)
commitf8df76ff8293a79e8f0287818d2e4c435b126f99
tree374beea0f8aef65538f1ea1f3c634a7a940dafd3tree
parentd3125db8c48414b10c97a4da6b968590ea03bdb8commit | diff
io_uring: reg buffer overflow checks hardening

We are safe with overflows in io_sqe_buffer_register() because it will
just yield alloc failure, but it's nicer to check explicitly.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/2b0625551be3d97b80a5fd21c8cd79dc1c91f0b5.1616624589.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)