forked from rubenslte/android_kernel_samsung_msm8226
When VM_MAYWRITE flag is used during mmap(), mprotect() can be used later to change the protection of memstore to allow write. Make sure this does not happen by removing VM_MAYWRITE from the vm_flags of vma. Change-Id: I6f69f05858ea40611d512cfa796caabeaa88cdb5 Signed-off-by: Indira Biruduraju <ibirudur@codeaurora.org> CVE-2020-11282 Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>