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f0355ee97f
[ Upstream commit 0c5dc070ff3d6246d22ddd931f23a6266249e3db ]
Ilja reported that, simply putting it, nothing was validating that
from_addr_param functions were operating on initialized memory. That is,
the parameter itself was being validated by sctp_walk_params, but it
doesn't check for types and their specific sizes and it could be a 0-length
one, causing from_addr_param to potentially work over the next parameter or
even uninitialized memory.
The fix here is to, in all calls to from_addr_param, check if enough space
is there for the wanted IP address type.
Change-Id: I45b2a9773891b313e8093af0f2521efabdd28f6f
Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Git-commit: c7a03ebace
Git-repo: https://android.googlesource.com/kernel/common
Signed-off-by: PavanKumar S.R <quic_pavasr@quicinc.com>