lib: Add epoch-based SMR

2026-11-01 21:06:48 +01:00
parent 3ff068e944
commit 7c04530681
24 changed files with 1059 additions and 84 deletions
@@ -93,8 +93,12 @@ struct syscall_ret sys_setuname(const __user struct __utsname* ptr) {
 struct syscall_ret sys_syslog(enum syslog_kind kind, __user char* message, size_t len) {
    struct syscall_ret ret = {};

-    const size_t buf_len = MIN(len + 1, 256);
+    const size_t buf_len = MIN(len, 255) + 1;
    char* buf = mem_alloc(buf_len, ALLOC_NOZERO);
+    if (!buf) {
+        ret.error = ENOMEM;
+        return ret;
+    }
    if (!usercopy_read(buf, message, buf_len - 1)) {
        mem_free(buf);