summaryrefslogtreecommitdiff
path: root/tools/include/nolibc
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
commit8f9aa2c90530ab92301a82231ae44f3722becd93 (patch)
treefb282e955b0a880b07131a135257fe3ec764e928 /tools/include/nolibc
parent93467b31bec6da512b51544e5e4584f2745e995e (diff)
parent155b42bec9cbb6b8cdc47dd9bd09503a81fbe493 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/include/nolibc')
-rw-r--r--tools/include/nolibc/getopt.h2
-rw-r--r--tools/include/nolibc/stackprotector.h3
2 files changed, 3 insertions, 2 deletions
diff --git a/tools/include/nolibc/getopt.h b/tools/include/nolibc/getopt.h
index 87565e3b6a33..3ad140f692df 100644
--- a/tools/include/nolibc/getopt.h
+++ b/tools/include/nolibc/getopt.h
@@ -71,7 +71,7 @@ int getopt(int argc, char * const argv[], const char *optstring)
d = optstring[i++];
} while (d && d != c);
- if (d != c || c == ':') {
+ if (!d || d != c || c == ':') {
optopt = c;
if (optstring[0] != ':' && opterr)
fprintf(stderr, "%s: unrecognized option: %c\n", argv[0], *optchar);
diff --git a/tools/include/nolibc/stackprotector.h b/tools/include/nolibc/stackprotector.h
index ae8b1d3a374d..4d1aa5371c77 100644
--- a/tools/include/nolibc/stackprotector.h
+++ b/tools/include/nolibc/stackprotector.h
@@ -42,7 +42,8 @@ uintptr_t __stack_chk_guard;
static __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;