On Wed, 25 Jul 2007 16:40:06 -0700 [email protected] (Masoud Asgharifard Sharbiani) wrote:
> This patch makes the i386 behave the same way that x86_64 does when a
> segfault happens. A line gets printed to the kernel log so that tools
> that need to check for failures can behave more uniformly between
> different kernels. Like x86_64, it can be disabled by setting
> debug.show_unhandled_signals sysctl variable to 0 (or by doing
> echo 0 > /proc/sys/debug/show_unhandled_signals)
Is that still correct? Methinks /proc/sys/debug/exception-trace.
<Looks sadly at Documentation/filesystems/proc.txt>
<Argh, your patch was reversed. Applied with patch -R.>
> Also, all of the lines being printed are now using printk_ratelimit()
> to deny the ability of DoS from a local user with a program like the
> following:
> main()
> {
> while (1)
> if (!fork()) *(int *)0 = 0;
> }
yup.
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