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| author | Jinjie Ruan <[email protected]> | 2024-07-20 22:40:58 +0800 |
|---|---|---|
| committer | Huacai Chen <[email protected]> | 2024-07-20 22:40:58 +0800 |
| commit | a0f7085f6a63f19f83f2644ce2da49a8d3cf7c0f (patch) | |
| tree | 646a6b07f4a6de409ee4b11bb129f8d84ccd3197 /lib/test_fortify/write_overflow-strncpy-src.c | |
| parent | 08f417db702c5b05150b3851af7186fee96ddd46 (diff) | |
LoongArch: Add RANDOMIZE_KSTACK_OFFSET support
Add support of kernel stack offset randomization while handling syscall,
the offset is defaultly limited by KSTACK_OFFSET_MAX().
In order to avoid triggering stack canaries (due to __builtin_alloca())
and slowing down the entry path, use __no_stack_protector attribute to
disable stack protector for do_syscall() at function level.
With this patch, the REPORT_STACK test show that:
`loongarch64 bits of stack entropy: 7`
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Jinjie Ruan <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
Diffstat (limited to 'lib/test_fortify/write_overflow-strncpy-src.c')
0 files changed, 0 insertions, 0 deletions