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(parent: 3982746) | patch
net: copy from user before calling __get_compat_msghdr
authorDylan Yudaken <dylany@fb.com>
Thu, 14 Jul 2022 11:02:57 +0000 (04:02 -0700)
committerJens Axboe <axboe@kernel.dk>
Mon, 25 Jul 2022 00:39:17 +0000 (18:39 -0600)
commit7c08328adfb70f28179692f506088e9a282450d8
treefa5f25b57b6ac98b2af9048f4e604d6547d27f37tree | snapshot
parent3982746f5330065c73fee4e32a4ee3bc0c10333ccommit | diff
net: copy from user before calling __get_compat_msghdr

this is in preparation for multishot receive from io_uring, where it needs
to have access to the original struct user_msghdr.

functionally this should be a no-op.

Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220714110258.1336200-3-dylany@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
include/net/compat.h diff | blob | history
io_uring/net.c diff | blob | history
net/compat.c diff | blob | history
Linux Kernel Source Tree.