Messages in this thread | | | Date | Wed, 30 Jan 2019 06:48:51 -0800 | From | Luis Chamberlain <> | Subject | Re: [PATCH v2] sysctl: Add panic-fatal-signals |
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On Mon, Jan 28, 2019 at 10:05:45AM -0800, Andrew Morton wrote: > On Mon, 28 Jan 2019 09:49:59 +0100 Vincent Whitchurch <vincent.whitchurch@axis.com> wrote: > > --- a/init/Kconfig > > +++ b/init/Kconfig > > @@ -1242,6 +1242,20 @@ config SYSCTL_SYSCALL > > > > If unsure say N here. > > > > +config SYSCTL_PANIC_FATAL_SIGNALS > > + bool "panic-fatal-signals sysctl" if EXPERT > > + depends on PROC_SYSCTL > > + help > > + If you say Y here, a kernel.panic-fatal-signals sysctl will be > > + offered. If this sysctl is turned on, the kernel will panic if any > > + userspace process receives a fatal signal which would trigger a core > > + dump. > > + > > + When used together with kernel core dumps, this can be useful for > > + debugging some system-wide problems, primarily on embedded systems. > > + > > + If unsure, say N. > > I suggest that the Kconfig help and the forthcoming documentation > should clearly explain the dangers of enabling this!
And so, should default to n.
Luis
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