dlm: use kernel_connect() and kernel_bind()
authorJordan Rife <jrife@google.com>
Mon, 6 Nov 2023 21:24:38 +0000 (15:24 -0600)
committerDavid Teigland <teigland@redhat.com>
Thu, 16 Nov 2023 17:58:42 +0000 (11:58 -0600)
commite9cdebbe23f1aa9a1caea169862f479ab3fa2773
treeb27945908a655317eb50fbb3b459dc45b63eb686
parentb85ea95d086471afb4ad062012a4d73cd328fa86
dlm: use kernel_connect() and kernel_bind()

Recent changes to kernel_connect() and kernel_bind() ensure that
callers are insulated from changes to the address parameter made by BPF
SOCK_ADDR hooks. This patch wraps direct calls to ops->connect() and
ops->bind() with kernel_connect() and kernel_bind() to protect callers
in such cases.

Link: https://lore.kernel.org/netdev/9944248dba1bce861375fcce9de663934d933ba9.camel@redhat.com/
Fixes: d74bad4e74ee ("bpf: Hooks for sys_connect")
Fixes: 4fbac77d2d09 ("bpf: Hooks for sys_bind")
Cc: stable@vger.kernel.org
Signed-off-by: Jordan Rife <jrife@google.com>
Signed-off-by: David Teigland <teigland@redhat.com>
fs/dlm/lowcomms.c