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901efe1231
The user msg is also copied to the abort packet when doing SCTP_ABORT in sctp_sendmsg_check_sflags(). When SCTP_SENDALL is set, iov_iter_revert() should have been called for sending abort on the next asoc with copying this msg. Otherwise, memcpy_from_msg() in sctp_make_abort_user() will fail and return error. Fixes: 4910280503f3 ("sctp: add support for snd flag SCTP_SENDALL process in sendmsg") Reported-by: Ying Xu <yinxu@redhat.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>