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netlink: allow NLA_MSECS to have range validation 

Since NLA_MSECS is really equivalent to NLA_U64, allow
it to have range validation as well.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johannes Berg 2020-04-30 22:13:09 +02:00 committed by David S. Miller
parent d06a09b94c
commit da4063bdfc
2 changed files with 6 additions and 2 deletions
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6
include/net/netlink.h
View File

@ -371,7 +371,8 @@ struct nla_policy {
#define __NLA_ENSURE(condition) BUILD_BUG_ON_ZERO(!(condition))
#define NLA_ENSURE_UINT_TYPE(tp) \
(__NLA_ENSURE(tp == NLA_U8 || tp == NLA_U16 || \
tp == NLA_U32 || tp == NLA_U64) + tp)
tp == NLA_U32 || tp == NLA_U64 || \
tp == NLA_MSECS) + tp)
#define NLA_ENSURE_SINT_TYPE(tp) \
(__NLA_ENSURE(tp == NLA_S8 || tp == NLA_S16 || \
tp == NLA_S32 || tp == NLA_S64) + tp)
@ -379,7 +380,8 @@ struct nla_policy {
(__NLA_ENSURE(tp == NLA_S8 || tp == NLA_U8 || \
tp == NLA_S16 || tp == NLA_U16 || \
tp == NLA_S32 || tp == NLA_U32 || \
tp == NLA_S64 || tp == NLA_U64) + tp)
tp == NLA_S64 || tp == NLA_U64 || \
tp == NLA_MSECS) + tp)
#define NLA_ENSURE_NO_VALIDATION_PTR(tp) \
(__NLA_ENSURE(tp != NLA_BITFIELD32 && \
tp != NLA_REJECT && \

2
lib/nlattr.c
View File

@ -151,6 +151,7 @@ static int nla_validate_int_range_unsigned(const struct nla_policy *pt,
value = nla_get_u32(nla);
break;
case NLA_U64:
case NLA_MSECS:
value = nla_get_u64(nla);
break;
default:
@ -227,6 +228,7 @@ static int nla_validate_int_range(const struct nla_policy *pt,
case NLA_U16:
case NLA_U32:
case NLA_U64:
case NLA_MSECS:
return nla_validate_int_range_unsigned(pt, nla, extack);
case NLA_S8:
case NLA_S16: