commit | f3587d76da05f68098ddb1cb3c98cc6a9e8a402c | [log] [tgz] |
---|---|---|
author | Keith Busch <keith.busch@intel.com> | Wed Nov 07 07:37:45 2018 -0700 |
committer | Jens Axboe <axboe@kernel.dk> | Wed Nov 07 15:41:31 2018 -0700 |
tree | 8b63b149df907b539e68069d20bcfcfd1480a06d | |
parent | e31d36b0a453d581fb077fce6883811c5e14874d [diff] |
block: Clear kernel memory before copying to user If the kernel allocates a bounce buffer for user read data, this memory needs to be cleared before copying it to the user, otherwise it may leak kernel memory to user space. Laurence Oberman <loberman@redhat.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>