From: Zi Shen Lim
Date: Wed, 18 Nov 2015 00:56:02 -0800
> During code review, I noticed we were passing a bad buffer pointer
> to bpf_load_pointer helper function called by jitted code.
>
> Point to the buffer allocated by JIT, so we don't silently corrupt
> other parts of the stack.
>
> Signed
On 11/18/2015 1:41 PM, Z Lim wrote:
On Wed, Nov 18, 2015 at 1:07 PM, Shi, Yang wrote:
On 11/18/2015 12:56 AM, Zi Shen Lim wrote:
emit_a64_mov_i64(r3, size, ctx);
- emit(A64_ADD_I(1, r4, fp, MAX_BPF_STACK), ctx);
+ emit(A64_SUB_I(1, r4, fp, STACK_SIZ
On Wed, Nov 18, 2015 at 1:07 PM, Shi, Yang wrote:
> On 11/18/2015 12:56 AM, Zi Shen Lim wrote:
>> emit_a64_mov_i64(r3, size, ctx);
>> - emit(A64_ADD_I(1, r4, fp, MAX_BPF_STACK), ctx);
>> + emit(A64_SUB_I(1, r4, fp, STACK_SIZE), ctx);
>
>
> Should not it
On 11/18/2015 12:56 AM, Zi Shen Lim wrote:
During code review, I noticed we were passing a bad buffer pointer
to bpf_load_pointer helper function called by jitted code.
Point to the buffer allocated by JIT, so we don't silently corrupt
other parts of the stack.
Signed-off-by: Zi Shen Lim
---
From: Zi Shen Lim
Date: Wed, 18 Nov 2015 00:56:02 -0800
> During code review, I noticed we were passing a bad buffer pointer
> to bpf_load_pointer helper function called by jitted code.
>
> Point to the buffer allocated by JIT, so we don't silently corrupt
> other parts of the stack.
>
> Signed
During code review, I noticed we were passing a bad buffer pointer
to bpf_load_pointer helper function called by jitted code.
Point to the buffer allocated by JIT, so we don't silently corrupt
other parts of the stack.
Signed-off-by: Zi Shen Lim
---
arch/arm64/net/bpf_jit_comp.c | 27 ++
