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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

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Move the bpf verifier trace check into the new switch statement in
HEAD.

Resolve the overlapping changes in hinic, where bug fixes overlap
the addition of VF support.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2020-05-15 13:48:59 -07:00
parent 93d43e5868 f85c1598dd
commit da07f52d3c
342 changed files with 3468 additions and 1533 deletions
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7
kernel/bpf/arraymap.c
View File

@@ -486,7 +486,12 @@ static int array_map_mmap(struct bpf_map *map, struct vm_area_struct *vma)
if (!(map->map_flags & BPF_F_MMAPABLE))
return -EINVAL;
return remap_vmalloc_range(vma, array_map_vmalloc_addr(array), pgoff);
if (vma->vm_pgoff * PAGE_SIZE + (vma->vm_end - vma->vm_start) >
PAGE_ALIGN((u64)array->map.max_entries * array->elem_size))
return -EINVAL;
return remap_vmalloc_range(vma, array_map_vmalloc_addr(array),
vma->vm_pgoff + pgoff);
}
const struct bpf_map_ops array_map_ops = {

4
kernel/bpf/syscall.c
View File

@@ -1489,8 +1489,10 @@ static int map_lookup_and_delete_elem(union bpf_attr *attr)
if (err)
goto free_value;
if (copy_to_user(uvalue, value, value_size) != 0)
if (copy_to_user(uvalue, value, value_size) != 0) {
err = -EFAULT;
goto free_value;
}
err = 0;

20
kernel/bpf/verifier.c
View File

@@ -4389,7 +4389,9 @@ static void do_refine_retval_range(struct bpf_reg_state *regs, int ret_type,
if (ret_type != RET_INTEGER ||
(func_id != BPF_FUNC_get_stack &&
func_id != BPF_FUNC_probe_read_str))
func_id != BPF_FUNC_probe_read_str &&
func_id != BPF_FUNC_probe_read_kernel_str &&
func_id != BPF_FUNC_probe_read_user_str))
return;
ret_reg->smax_value = meta->msize_max_value;
@@ -7113,9 +7115,23 @@ static int check_return_code(struct bpf_verifier_env *env)
range = tnum_const(0);
break;
case BPF_PROG_TYPE_TRACING:
if (env->prog->expected_attach_type != BPF_TRACE_ITER)
switch (env->prog->expected_attach_type) {
case BPF_TRACE_FENTRY:
case BPF_TRACE_FEXIT:
range = tnum_const(0);
break;
case BPF_TRACE_ITER:
case BPF_TRACE_RAW_TP:
case BPF_MODIFY_RETURN:
return 0;
default:
return -ENOTSUPP;
}
break;
case BPF_PROG_TYPE_EXT:
/* freplace program can return anything as its return value
* depends on the to-be-replaced kernel func or bpf program.
*/
default:
return 0;
}