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| author |   Mao Han <han_mao@c-sky.com> | 2019-10-11 10:56:55 +0800 |
|---|---|---|
| committer |   Guo Ren <guoren@linux.alibaba.com> | 2020-02-21 15:43:24 +0800 |
| commit | 2f78c73f78c39dabc5c44ad8dd61fd6ec65636d6 (patch) | |
| tree | b9ba43f4bb9d709d612c77b3ed4c260a204a2d38 /lib/test_overflow.c | |
| parent | MAINTAINERS: csky: Add mailing list for csky (diff) | |
| download | wireguard-linux-2f78c73f78c39dabc5c44ad8dd61fd6ec65636d6.tar.xz wireguard-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 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions