On Tue, 2024-05-21 at 12:48 +0200, 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.
>
> Fixes: 8b1c23543436 ("x86/shstk: Add return uprobe support")
> Signed-off-by: Jiri Olsa <jo...@kernel.org>
> ---
Acked-by: Rick Edgecombe <rick.p.edgeco...@intel.com>
- [PATCHv6 bpf-next 0/9] uprobe: uretprobe speed up Jiri Olsa
- [PATCHv6 bpf-next 1/9] x86/shstk: Make return uprob... Jiri Olsa
- Re: [PATCHv6 bpf-next 1/9] x86/shstk: Make retu... Oleg Nesterov
- Re: [PATCHv6 bpf-next 1/9] x86/shstk: Make retu... Edgecombe, Rick P
- [PATCHv6 bpf-next 2/9] uprobe: Wire up uretprobe sy... Jiri Olsa
- [PATCHv6 bpf-next 3/9] uprobe: Add uretprobe syscal... Jiri Olsa
- [PATCHv6 bpf-next 4/9] selftests/x86: Add return up... Jiri Olsa
- [PATCHv6 bpf-next 5/9] selftests/bpf: Add uretprobe... Jiri Olsa
- [PATCHv6 bpf-next 6/9] selftests/bpf: Add uretprobe... Jiri Olsa
- [PATCHv6 bpf-next 7/9] selftests/bpf: Add uretprobe... Jiri Olsa
- [PATCHv6 bpf-next 8/9] selftests/bpf: Add uretprobe... Jiri Olsa
- [PATCHv6 9/9] man2: Add uretprobe syscall page Jiri Olsa
- Re: [PATCHv6 9/9] man2: Add uretprobe syscall p... Alejandro Colomar
