diff options
| author | Marvin Borner | 2021-04-02 23:26:28 +0200 |
|---|---|---|
| committer | Marvin Borner | 2021-04-02 23:26:28 +0200 |
| commit | ce98400f8a9ebd4e62e76b9e292b7598d0d66cc0 (patch) | |
| tree | 823f06c2c325ead611863eeb3ac974c1ae562878 /kernel/features/syscall.c | |
| parent | fe468b476d567b6aa0695a030c408ccf46278c7d (diff) | |
Added kernel section clear/protect after init
This is a huge security improvement as it prevents potential exploits
of using or modifying internal kernel functions or data.
Diffstat (limited to 'kernel/features/syscall.c')
| -rw-r--r-- | kernel/features/syscall.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/features/syscall.c b/kernel/features/syscall.c index ab14539..6a64996 100644 --- a/kernel/features/syscall.c +++ b/kernel/features/syscall.c @@ -24,8 +24,7 @@ static void syscall_handler(struct regs *r) switch (num) { case SYS_LOOP: { - loop(); - panic("Fell out of the looping!\n"); + panic("Loop is deprecated!\n"); break; } case SYS_ALLOC: { @@ -134,7 +133,7 @@ static void syscall_handler(struct regs *r) } } -void syscall_init(void) +CLEAR void syscall_init(void) { idt_set_gate(0x80, (u32)isr128, 0x08, 0x8E); isr_install_handler(0x80, syscall_handler); |