is allowed for the running system.
The optional switch 'nousertaint' is handy in this particular scenario,
as it will avoid userspace induced crashes by writes to sysctl interface
/proc/sys/kernel/tainted causing false positive hits for such policies.
Suggested-by: Qian Cai
Signed-o
On Wed, May 13, 2020 at 03:47:22PM +, Luis Chamberlain wrote:
> On Wed, May 13, 2020 at 11:00:26AM -0400, Rafael Aquini wrote:
> > Analogously to the introduction of panic_on_warn, this patch
> > introduces a kernel option named panic_on_taint in order to
> > provide a s
anoid mode),
is allowed for the running system.
The optional switch 'nousertaint' is handy in this particular
scenario as it will avoid userspace induced crashes by writes
to /proc/sys/kernel/tainted causing false positive hits for
such policies.
Suggested-by: Qian Cai
Signed-o
On Mon, May 11, 2020 at 06:24:55PM +, Luis Chamberlain wrote:
> On Sat, May 09, 2020 at 09:57:37AM -0400, Rafael Aquini wrote:
> > +Trigger Kdump on add_taint()
> > +
> > +
> > +The kernel parameter, panic_on_taint, calls panic()
On Sun, May 10, 2020 at 10:59:21AM +0800, Baoquan He wrote:
> On 05/09/20 at 09:57am, Rafael Aquini wrote:
> > Analogously to the introduction of panic_on_warn, this patch
> > introduces a kernel option named panic_on_taint in order to
> > provide a simple and generic way
On Sat, May 09, 2020 at 03:48:54AM +, Luis Chamberlain wrote:
> On Fri, May 08, 2020 at 08:47:19AM -0400, Rafael Aquini wrote:
> > On Thu, May 07, 2020 at 10:25:58PM +, Luis Chamberlain wrote:
> > > On Thu, May 07, 2020 at 06:06:06PM -0400, Rafael Aquini wrote:
> >
running system.
Suggested-by: Qian Cai
Signed-off-by: Rafael Aquini
---
Changelog:
* v2: get rid of unnecessary/misguided compiler hints (Luis)
* v2: enhance documentation text for the new kernel parameter (Randy)
* v3: drop sysctl interface, keep it only as a kernel parameter (Luis
On Thu, May 07, 2020 at 10:25:58PM +, Luis Chamberlain wrote:
> On Thu, May 07, 2020 at 06:06:06PM -0400, Rafael Aquini wrote:
> > On Thu, May 07, 2020 at 08:33:40PM +, Luis Chamberlain wrote:
> > > I *think* that a cmdline route to enable this would likely remove the
On Thu, May 07, 2020 at 07:07:20PM -0400, Qian Cai wrote:
>
>
> > On May 7, 2020, at 6:15 PM, Rafael Aquini wrote:
> >
> > It's a reasonable and self-contained feature that we have a valid use for.
> > I honestly fail to see it causing that amount of annoya
On Thu, May 07, 2020 at 06:05:27PM -0400, Qian Cai wrote:
>
>
> > On May 7, 2020, at 4:42 PM, Rafael Aquini wrote:
> >
> > On Wed, May 06, 2020 at 10:50:19PM -0400, Qian Cai wrote:
> >>
> >>
> >>> On May 6, 2020, at 6:28 PM, Rafael Aquin
On Thu, May 07, 2020 at 08:33:40PM +, Luis Chamberlain wrote:
> On Thu, May 07, 2020 at 02:47:05PM -0400, Rafael Aquini wrote:
> > On Thu, May 07, 2020 at 02:43:16PM -0400, Rafael Aquini wrote:
> > > On Thu, May 07, 2020 at 06:22:57PM +, Luis Chamberlain wrote:
> >
On Wed, May 06, 2020 at 10:50:19PM -0400, Qian Cai wrote:
>
>
> > On May 6, 2020, at 6:28 PM, Rafael Aquini wrote:
> >
> > Analogously to the introduction of panic_on_warn, this patch
> > introduces a kernel option named panic_on_taint in order to
> > prov
On Thu, May 07, 2020 at 06:50:46PM +, Luis Chamberlain wrote:
> On Thu, May 07, 2020 at 02:06:31PM -0400, Rafael Aquini wrote:
> > Another, perhaps less frequent, use for this option would be
> > as a mean for assuring a security policy (in paranoid mode)
> > case whe
On Thu, May 07, 2020 at 02:43:16PM -0400, Rafael Aquini wrote:
> On Thu, May 07, 2020 at 06:22:57PM +, Luis Chamberlain wrote:
> > On Thu, May 07, 2020 at 02:06:31PM -0400, Rafael Aquini wrote:
> > > diff --git a/kernel/sysctl.c b/kernel/sysctl.c
> > > index 8a176d
On Thu, May 07, 2020 at 06:22:57PM +, Luis Chamberlain wrote:
> On Thu, May 07, 2020 at 02:06:31PM -0400, Rafael Aquini wrote:
> > diff --git a/kernel/sysctl.c b/kernel/sysctl.c
> > index 8a176d8727a3..b80ab660d727 100644
> > --- a/kernel/sysctl.c
> > +++ b/ker
running system.
Suggested-by: Qian Cai
Signed-off-by: Rafael Aquini
---
Changelog, from v1:
* get rid of unnecessary/misguided compiler hints (Luis)
* enhance documentation text for the new kernel parameter (Randy)
Documentation/admin-guide/kdump/kdump.rst | 10
On Wed, May 06, 2020 at 11:24:48PM +, Luis Chamberlain wrote:
> On Wed, May 06, 2020 at 06:28:15PM -0400, Rafael Aquini wrote:
> > Analogously to the introduction of panic_on_warn, this patch
> > introduces a kernel option named panic_on_taint in order to
> > provide a s
running system.
Suggested-by: Qian Cai
Signed-off-by: Rafael Aquini
---
Documentation/admin-guide/kdump/kdump.rst | 10 ++
.../admin-guide/kernel-parameters.txt | 3 ++
Documentation/admin-guide/sysctl/kernel.rst | 36 +++
include/linux/kernel.h
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