tree 3f2bc0cb9fb8b0d5b2bc747999c473af23c0cd89
parent 08a82c8020a153e5d61242d3079cabddef09ab77
author Indira Biruduraju <ibirudur@codeaurora.org> 1597139656 +0530
committer Luca Weiss <luca.weiss@fairphone.com> 1626347892 +0200

msm: kgsl: Remove VM_MAYWRITE flag to restrict mprotect

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>