Re: [PATCHv6 bpf-next 1/9] x86/shstk: Make return uprobe work with shadow stack

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 05/21, Jiri Olsa wrote:
>
> Currently the application with enabled shadow stack will crash
> if it sets up return uprobe. The reason is the uretprobe kernel
> code changes the user space task's stack, but does not update
> shadow stack accordingly.
>
> Adding new functions to update values on shadow stack and using
> them in uprobe code to keep shadow stack in sync with uretprobe
> changes to user stack.

I don't think my ack has any value in this area but looks good to me.

Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>


> Fixes: 8b1c23543436 ("x86/shstk: Add return uprobe support")

Hmm... Was this commit ever applied?

Oleg.





[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux