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| author | Will Deacon | 2018-02-05 16:34:24 +0100 |
|---|---|---|
| committer | Catalin Marinas | 2018-02-06 23:53:42 +0100 |
| commit | 91b2d3442f6a44dce875670d702af22737ad5eff (patch) | |
| tree | b723651d1d77cee6e73d4d1a1898653f0801d6d4 /arch/arm64/mm | |
| parent | arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user (diff) | |
| download | kernel-qcow2-linux-91b2d3442f6a44dce875670d702af22737ad5eff.tar.gz kernel-qcow2-linux-91b2d3442f6a44dce875670d702af22737ad5eff.tar.xz kernel-qcow2-linux-91b2d3442f6a44dce875670d702af22737ad5eff.zip | |
arm64: futex: Mask __user pointers prior to dereference
The arm64 futex code has some explicit dereferencing of user pointers
where performing atomic operations in response to a futex command. This
patch uses masking to limit any speculative futex operations to within
the user address space.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/mm')
0 files changed, 0 insertions, 0 deletions