Don Lewis wrote:
On 18 Sep, [EMAIL PROTECTED] wrote:
Here i report a patch different from Giorgos' one. The approch is completely
different: working on syscall_register() function in kern/kern_syscalls.c
file.
==============================
cat kern_syscalls.diff
--- kern_syscalls.c Sat Sep 18 14:37:53 2004
+++ kern_syscalls2.c Sat Sep 18 14:37:53 2004
@@ -73,6 +73,11 @@
sysent[*offset].sy_call != (sy_call_t *)lkmressys)
return EEXIST;
+#if (__i386__) && (INVARIANTS)
+ KASSERT(new_sysent->nargs >= 0 && new_sysent->nargs <= i386_SYS_ARGS,
+ "invalid number of syscalls");
+#endif
+
*old_sysent = sysent[*offset];
sysent[*offset] = *new_sysent;
return 0;
Why panic the machine at this point? Just refuse to install the syscall
and return an error.
and the test for INVARIANTS is un-needed.. KASSERT only compiles to anything
when INVARIANTS is defined.
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