On Tue, Sep 18, 2018 at 11:51:55AM +0200, Jiri Slaby wrote:
> On 09/18/2018, 11:17 AM, Greg Kroah-Hartman wrote:
> > My question is why we just don't call panic() here instead of trying to
> > duplicate the logic of that function here. Why is that happening?
>
> Historically (before d6580a9f1), w
On Tue, Sep 18, 2018 at 08:11:33AM +0200, Jiri Slaby wrote:
> On 09/17/2018, 11:33 PM, Matthias Kaehlcke wrote:
> > sysrq_handle_crash() dereferences a NULL pointer on purpose to force
> > an exception, the local variable 'killer' is assigned to NULL and
> > dereferenced later. Clang detects the NU
From: Matthias Kaehlcke
> Sent: 17 September 2018 22:33
>
> sysrq_handle_crash() dereferences a NULL pointer on purpose to force
> an exception, the local variable 'killer' is assigned to NULL and
> dereferenced later. Clang detects the NULL pointer dereference at compile
> time and emits a BRK in
On 9/18/2018 2:47 PM, Greg Kroah-Hartman wrote:
On Tue, Sep 18, 2018 at 02:35:02PM +0530, Sai Prakash Ranjan wrote:
On 9/18/2018 12:50 PM, Greg Kroah-Hartman wrote:
On Tue, Sep 18, 2018 at 12:28:39PM +0530, Sai Prakash Ranjan wrote:
On 9/18/2018 11:41 AM, Jiri Slaby wrote:
On 09/17/2018, 11:3
On Tue, Sep 18, 2018 at 02:35:02PM +0530, Sai Prakash Ranjan wrote:
> On 9/18/2018 12:50 PM, Greg Kroah-Hartman wrote:
> > On Tue, Sep 18, 2018 at 12:28:39PM +0530, Sai Prakash Ranjan wrote:
> > > On 9/18/2018 11:41 AM, Jiri Slaby wrote:
> > > > On 09/17/2018, 11:33 PM, Matthias Kaehlcke wrote:
> >
On 9/18/2018 12:50 PM, Greg Kroah-Hartman wrote:
On Tue, Sep 18, 2018 at 12:28:39PM +0530, Sai Prakash Ranjan wrote:
On 9/18/2018 11:41 AM, Jiri Slaby wrote:
On 09/17/2018, 11:33 PM, Matthias Kaehlcke wrote:
sysrq_handle_crash() dereferences a NULL pointer on purpose to force
an exception, the
On Tue, Sep 18, 2018 at 12:28:39PM +0530, Sai Prakash Ranjan wrote:
> On 9/18/2018 11:41 AM, Jiri Slaby wrote:
> > On 09/17/2018, 11:33 PM, Matthias Kaehlcke wrote:
> > > sysrq_handle_crash() dereferences a NULL pointer on purpose to force
> > > an exception, the local variable 'killer' is assigned
On 9/18/2018 11:41 AM, Jiri Slaby wrote:
On 09/17/2018, 11:33 PM, Matthias Kaehlcke wrote:
sysrq_handle_crash() dereferences a NULL pointer on purpose to force
an exception, the local variable 'killer' is assigned to NULL and
dereferenced later. Clang detects the NULL pointer dereference at comp
On 09/17/2018, 11:33 PM, Matthias Kaehlcke wrote:
> sysrq_handle_crash() dereferences a NULL pointer on purpose to force
> an exception, the local variable 'killer' is assigned to NULL and
> dereferenced later. Clang detects the NULL pointer dereference at compile
> time and emits a BRK instruction
On 9/18/2018 3:03 AM, Matthias Kaehlcke wrote:
sysrq_handle_crash() dereferences a NULL pointer on purpose to force
an exception, the local variable 'killer' is assigned to NULL and
dereferenced later. Clang detects the NULL pointer dereference at compile
time and emits a BRK instruction (on arm6
sysrq_handle_crash() dereferences a NULL pointer on purpose to force
an exception, the local variable 'killer' is assigned to NULL and
dereferenced later. Clang detects the NULL pointer dereference at compile
time and emits a BRK instruction (on arm64) instead of the expected NULL
pointer exception
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