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| author | Alan Cox <alc@FreeBSD.org> | 2021-06-26 03:29:38 +0000 |
|---|---|---|
| committer | Alan Cox <alc@FreeBSD.org> | 2021-06-26 04:01:32 +0000 |
| commit | 5dd84e315a9f777772017f9f628aa67f08a6493a (patch) | |
| tree | f85349640cb085be360fa6f9a62f8e3936e35ed8 /usr.bin/cpio/Makefile | |
| parent | 18b19f8c6e04935a63a951afe0e540674bc94455 (diff) | |
| download | src-5dd84e315a9f777772017f9f628aa67f08a6493a.tar.gz src-5dd84e315a9f777772017f9f628aa67f08a6493a.zip | |
arm64: fix a potential KVA leak in pmap_demote_l1()
In the unlikely event that the 1 GB page mapping being demoted is used
to access the L1 page table page containing the 1 GB page mapping and
the vm_page_alloc() to allocate a new L2 page table page fails, we
would leak a page of kernel virtual address space. Fix this leak.
MFC after: 1 week
Diffstat (limited to 'usr.bin/cpio/Makefile')
0 files changed, 0 insertions, 0 deletions