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TLS: Fix length check in do_tls_getsockopt_tx()
authorMatthias Rosenfelder <mrosenfelder.lkml@gmail.com>
Thu, 6 Jul 2017 04:56:36 +0000 (00:56 -0400)
committerDavid S. Miller <davem@davemloft.net>
Thu, 6 Jul 2017 09:58:19 +0000 (10:58 +0100)
commit5a3b886c3cc5de1b9ec618bf27e1b31c6624f3ca
tree44ee8905a9dda4c6c90f2b3527ea1ef5181f3bb4tree | snapshot
parente8f37d57dff20a455abb36942e326073dd47738dcommit | diff
TLS: Fix length check in do_tls_getsockopt_tx()

copy_to_user() copies the struct the pointer is pointing to, but the
length check compares against sizeof(pointer) and not sizeof(struct).
On 32-bit the size is probably the same, so it might have worked
accidentally.

Signed-off-by: Matthias Rosenfelder <mrosenfelder.lkml@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/tls/tls_main.c diff | blob | history
Domain: System / Kernel; Licenses: GPL-2.0;