Paolo Abeni 4b5af44129 mptcp: don't leak msk in token container ... If a listening MPTCP socket has unaccepted sockets at close time, the related msks are freed via mptcp_sock_destruct(), which in turn does not invoke the proto->destroy() method nor the mptcp_token_destroy() function. Due to the above, the child msk socket is not removed from the token container, leading to later UaF. Address the issue explicitly removing the token even in the above error path. Fixes: 79c0949e9a ("mptcp: Add key generation and token tree") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net>		2020-06-10 16:07:00 -07:00
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crypto.c	Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6	2020-06-01 12:00:10 -07:00
ctrl.c
diag.c
Kconfig
Makefile
mib.c
mib.h
options.c	mptcp: bugfix for RM_ADDR option parsing	2020-06-08 19:09:41 -07:00
pm_netlink.c
pm.c
protocol.c	mptcp: fix races between shutdown and recvmsg	2020-06-10 13:34:14 -07:00
protocol.h	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-05-24 13:47:27 -07:00
subflow.c	mptcp: don't leak msk in token container	2020-06-10 16:07:00 -07:00
token.c