Bernd Eckenfels wrote:
> In article <[email protected]> you wrote:
>> printk("%s/%d: potentially unexpected fatal signal %d.\n",
>> current->comm, current->pid, signr);
>
> can we have both KERN_WARNING please?
>
> Gruss
> Bernd
Depends on print_fatal_signals patch.
---
Limit the rate of print_fatal_signal() to avoid potential denial-of-service
attacks.
Signed-off-by: Andrea Righi <[email protected]>
diff -urpN linux-2.6.22-rc1-mm1/kernel/signal.c linux-2.6.22-rc1-mm1-vm-log-enomem/kernel/signal.c
--- linux-2.6.22-rc1-mm1/kernel/signal.c 2007-05-19 11:25:24.000000000 +0200
+++ linux-2.6.22-rc1-mm1-vm-log-enomem/kernel/signal.c 2007-05-19 11:30:00.000000000 +0200
@@ -790,7 +790,10 @@ static void print_vmas(void)
static void print_fatal_signal(struct pt_regs *regs, int signr)
{
- printk("%s/%d: potentially unexpected fatal signal %d.\n",
+ if (unlikely(!printk_ratelimit()))
+ return;
+
+ printk(KERN_WARNING "%s/%d: potentially unexpected fatal signal %d.\n",
current->comm, current->pid, signr);
#ifdef __i386__
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
