Kernel: Don't allow to kill kernel processes

The protection was only for SIGKILL before.
Author: https://github.com/sppmacd Commit: https://github.com/SerenityOS/serenity/commit/6efcc2fc99b Pull-request: https://github.com/SerenityOS/serenity/pull/6583 Issue: https://github.com/SerenityOS/serenity/issues/6582
2021-04-23 12:07:55 +02:00 · 2021-04-23 12:07:55 +02:00 · 6efcc2fc99 · 2024-07-18 19:11:56 +09:00
commit 6efcc2fc99
parent 072c264a04
1 changed files with 2 additions and 2 deletions
--- a/Kernel/Syscalls/kill.cpp
+++ b/Kernel/Syscalls/kill.cpp
@ -14,8 +14,8 @@ KResult Process::do_kill(Process& process, int signal)
    // FIXME: Should setuid processes have some special treatment here?
    if (!is_superuser() && euid() != process.uid() && uid() != process.uid())
        return EPERM;
-    if (process.is_kernel_process() && signal == SIGKILL) {
-        dbgln("Aattempted to send SIGKILL to kernel process {} ({})", process.name(), process.pid());
+    if (process.is_kernel_process()) {
+        dbgln("Attempted to send signal {} to kernel process {} ({})", signal, process.name(), process.pid());
        return EPERM;
    }
    if (signal != 0)