diff options
Diffstat (limited to 'tools/include/nolibc/stackprotector.h')
| -rw-r--r-- | tools/include/nolibc/stackprotector.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/include/nolibc/stackprotector.h b/tools/include/nolibc/stackprotector.h index ae8b1d3a374d..916a92062ba0 100644 --- a/tools/include/nolibc/stackprotector.h +++ b/tools/include/nolibc/stackprotector.h @@ -40,9 +40,10 @@ void __stack_chk_fail_local(void) __attribute__((weak,used,section(".data.nolibc_stack_chk"))) uintptr_t __stack_chk_guard; -static __no_stack_protector void __stack_chk_init(void) +static __nolibc_no_stack_protector void __stack_chk_init(void) { - __nolibc_syscall3(__NR_getrandom, &__stack_chk_guard, sizeof(__stack_chk_guard), 0); + __nolibc_syscall3(__NR_getrandom, &__stack_chk_guard, sizeof(__stack_chk_guard), + GRND_INSECURE | GRND_NONBLOCK); /* a bit more randomness in case getrandom() fails, ensure the guard is never 0 */ if (__stack_chk_guard != (uintptr_t) &__stack_chk_guard) __stack_chk_guard ^= (uintptr_t) &__stack_chk_guard; |