msm: adsprpc: Variable map may UAF due to race conditions
Variable map may pointing to the same buffer on race conditions in functions fastrpc_internal_mmap, fastrpc_internal_munmap and, fastrpc_internal_munmap_fd. Use mutex to avoid race conditions on same buffer. Change-Id: Ic51bce81a92b68516c9bdcf4f9955a06392d75e8 Acked-by:Krishnaiah Tadakamalla <ktadakam@qti.qualcomm.com> Signed-off-by:
Signed-off-by: Mohammed Nayeem Ur Rahman <mohara@codeaurora.org>
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