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| author | Mao Han <han_mao@c-sky.com> | 2019-10-11 04:56:55 +0200 |
|---|---|---|
| committer | Guo Ren <guoren@linux.alibaba.com> | 2020-02-21 08:43:24 +0100 |
| commit | 2f78c73f78c39dabc5c44ad8dd61fd6ec65636d6 (patch) | |
| tree | b9ba43f4bb9d709d612c77b3ed4c260a204a2d38 /arch/csky/Kconfig | |
| parent | MAINTAINERS: csky: Add mailing list for csky (diff) | |
| download | linux-2f78c73f78c39dabc5c44ad8dd61fd6ec65636d6.tar.xz linux-2f78c73f78c39dabc5c44ad8dd61fd6ec65636d6.zip | |
csky: Initial stack protector support
This is a basic -fstack-protector support without per-task canary
switching. The protector will report something like when stack
corruption is detected:
It's tested with strcpy local array overflow in sys_kill and get:
stack-protector: Kernel stack is corrupted in: sys_kill+0x23c/0x23c
TODO:
- Support task switch for different cannary
Signed-off-by: Mao Han <han_mao@c-sky.com>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Diffstat (limited to 'arch/csky/Kconfig')
| -rw-r--r-- | arch/csky/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig index da09c884cc30..ea7f3b890d03 100644 --- a/arch/csky/Kconfig +++ b/arch/csky/Kconfig @@ -49,6 +49,7 @@ config CSKY select HAVE_PERF_USER_STACK_DUMP select HAVE_DMA_API_DEBUG select HAVE_DMA_CONTIGUOUS + select HAVE_STACKPROTECTOR select HAVE_SYSCALL_TRACEPOINTS select MAY_HAVE_SPARSE_IRQ select MODULES_USE_ELF_RELA if MODULES |