diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/filter.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index bcdf798d995d..4553321552a7 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -2074,7 +2074,8 @@ static bool __is_valid_access(int off, int size, enum bpf_access_type type) } static bool sk_filter_is_valid_access(int off, int size, - enum bpf_access_type type) + enum bpf_access_type type, + enum bpf_reg_type *reg_type) { if (off == offsetof(struct __sk_buff, tc_classid)) return false; @@ -2093,7 +2094,8 @@ static bool sk_filter_is_valid_access(int off, int size, } static bool tc_cls_act_is_valid_access(int off, int size, - enum bpf_access_type type) + enum bpf_access_type type, + enum bpf_reg_type *reg_type) { if (type == BPF_WRITE) { switch (off) { @@ -2108,6 +2110,16 @@ static bool tc_cls_act_is_valid_access(int off, int size, return false; } } + + switch (off) { + case offsetof(struct __sk_buff, data): + *reg_type = PTR_TO_PACKET; + break; + case offsetof(struct __sk_buff, data_end): + *reg_type = PTR_TO_PACKET_END; + break; + } + return __is_valid_access(off, size, type); } |