On 10/11/2017 03:43 PM, Maninder Singh wrote:
> Issue observed on ARM.
>
> Whenever there is switch from user mode, we end up with invalid last entry
> with some user space address as below:-
>
> save_stack+0x40/0xec
> __set_page_owner+0x2c/0x64
>
>
> __handle_domain_irq+0x9c/0x130
On 10/11/2017 03:43 PM, Maninder Singh wrote:
> Issue observed on ARM.
>
> Whenever there is switch from user mode, we end up with invalid last entry
> with some user space address as below:-
>
> save_stack+0x40/0xec
> __set_page_owner+0x2c/0x64
>
>
> __handle_domain_irq+0x9c/0x130
On Thu, Oct 12, 2017 at 1:10 PM, Vaneet Narang wrote:
> Hi Dmitry,
>
>>diff --git a/lib/stackdepot.c b/lib/stackdepot.c
>>index f87d138..a045748 100644
>>--- a/lib/stackdepot.c
>>+++ b/lib/stackdepot.c
>>@@ -214,6 +214,13 @@ depot_stack_handle_t depot_save_stack(struct
On Thu, Oct 12, 2017 at 1:10 PM, Vaneet Narang wrote:
> Hi Dmitry,
>
>>diff --git a/lib/stackdepot.c b/lib/stackdepot.c
>>index f87d138..a045748 100644
>>--- a/lib/stackdepot.c
>>+++ b/lib/stackdepot.c
>>@@ -214,6 +214,13 @@ depot_stack_handle_t depot_save_stack(struct stack_trace
>>*trace,
>>
Hi Dmitry,
>diff --git a/lib/stackdepot.c b/lib/stackdepot.c
>index f87d138..a045748 100644
>--- a/lib/stackdepot.c
>+++ b/lib/stackdepot.c
>@@ -214,6 +214,13 @@ depot_stack_handle_t depot_save_stack(struct stack_trace
>*trace,
> if (unlikely(trace->nr_entries == 0))
> goto
Hi Dmitry,
>diff --git a/lib/stackdepot.c b/lib/stackdepot.c
>index f87d138..a045748 100644
>--- a/lib/stackdepot.c
>+++ b/lib/stackdepot.c
>@@ -214,6 +214,13 @@ depot_stack_handle_t depot_save_stack(struct stack_trace
>*trace,
> if (unlikely(trace->nr_entries == 0))
> goto
Issue observed on ARM.
Whenever there is switch from user mode, we end up with invalid last entry
with some user space address as below:-
save_stack+0x40/0xec
__set_page_owner+0x2c/0x64
__handle_domain_irq+0x9c/0x130
gic_handle_irq+0x40/0x80
__irq_usr+0x4c/0x60
0xb6507818
So in
Issue observed on ARM.
Whenever there is switch from user mode, we end up with invalid last entry
with some user space address as below:-
save_stack+0x40/0xec
__set_page_owner+0x2c/0x64
__handle_domain_irq+0x9c/0x130
gic_handle_irq+0x40/0x80
__irq_usr+0x4c/0x60
0xb6507818
So in
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