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| author | Ard Biesheuvel <ardb@kernel.org> | 2021-07-26 16:24:01 +0200 |
|---|---|---|
| committer | Ard Biesheuvel <ardb@kernel.org> | 2021-08-03 07:43:07 +0200 |
| commit | ff80ef5bf5bd59e5eab82d1d846acc613ebbf6c4 (patch) | |
| tree | 5112b8bff7532ef4f26bdcb4404117387d2c8c47 /tools/perf/scripts/python | |
| parent | 3a262423755b83a5f85009ace415d6e7f572dfe8 (diff) | |
efi/libstub: arm64: Warn when efi_random_alloc() fails
Randomization of the physical load address of the kernel image relies on
efi_random_alloc() returning successfully, and currently, we ignore any
failures and just carry on, using the ordinary, non-randomized page
allocator routine. This means we never find out if a failure occurs,
which could harm security, so let's at least warn about this condition.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions