Re: [PATCH v3 3/3] arm64/mm: migrate swapper_pg_dir and tramp_pg_dir

Hi Jun, On 06/06/18 05:39, Jun Yao wrote: > Migrate swapper_pg_dir and tramp_pg_dir. And their virtual addresses > do not correlate with kernel's address. This is all to make 'KSMA' harder, where an single arbitrary write is used to add a block mapping to the page-tables, giving the attacker

Re: [PATCH v3 3/3] arm64/mm: migrate swapper_pg_dir and tramp_pg_dir

Hi Jun, On 06/06/18 05:39, Jun Yao wrote: > Migrate swapper_pg_dir and tramp_pg_dir. And their virtual addresses > do not correlate with kernel's address. This is all to make 'KSMA' harder, where an single arbitrary write is used to add a block mapping to the page-tables, giving the attacker

[PATCH v3 3/3] arm64/mm: migrate swapper_pg_dir and tramp_pg_dir

Migrate swapper_pg_dir and tramp_pg_dir. And their virtual addresses do not correlate with kernel's address. Signed-off-by: Jun Yao --- arch/arm64/include/asm/pgtable.h | 1 + arch/arm64/mm/mmu.c | 79 +--- 2 files changed, 52 insertions(+), 28

[PATCH v3 3/3] arm64/mm: migrate swapper_pg_dir and tramp_pg_dir

Migrate swapper_pg_dir and tramp_pg_dir. And their virtual addresses do not correlate with kernel's address. Signed-off-by: Jun Yao --- arch/arm64/include/asm/pgtable.h | 1 + arch/arm64/mm/mmu.c | 79 +--- 2 files changed, 52 insertions(+), 28