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video: tegra: nvmap: Don't allow executable memory

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Don't allow executable memory in alloc from VA code path to avoid any
security risks.

JIRA TMM-5962

Change-Id: Id32684a09f4a9a64d8e8774e993d6c1be8aaeaf0
Signed-off-by: Ketan Patil <ketanp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3295143
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Pritesh Raithatha <praithatha@nvidia.com>
This commit is contained in:
Ketan Patil
2025-02-03 07:23:03 +00:00
committed by Jon Hunter
parent f4cd590333
commit a57d56284d
1 changed files with 6 additions and 0 deletions
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6
drivers/video/tegra/nvmap/nvmap_handle.c
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@@ -371,6 +371,12 @@ struct nvmap_handle_ref *nvmap_create_handle_from_va(struct nvmap_client *client
}
vm_flags = vma->vm_flags;
if ((vm_flags & VM_EXEC) != 0) {
pr_err("Executable memory is not allowed\n");
nvmap_release_mmap_read_lock(mm);
return ERR_PTR(-EINVAL);
}
nvmap_release_mmap_read_lock(mm);
/*