diff options
| author | Jozsef Kadlecsik <kadlec@netfilter.org> | 2021-07-14 12:37:07 +0200 |
|---|---|---|
| committer | Jozsef Kadlecsik <kadlec@netfilter.org> | 2021-07-14 12:40:49 +0200 |
| commit | 15932461c91e8aedf54e885d429b954b439605d2 (patch) | |
| tree | 23bed1696242969f326735a809da308b94ff5cd6 /kernel/include/linux/netfilter/ipset/ip_set.h | |
| parent | 578462f89dab9d91c38f74a93bc6855ced11ea3c (diff) | |
Limit the maximal range of consecutive elements to add/delete
The range size of consecutive elements were not limited. Thus one
could define a huge range which may result soft lockup errors due
to the long execution time. Now the range size is limited to 2^20
entries. Reported by Brad Spengler.
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Diffstat (limited to 'kernel/include/linux/netfilter/ipset/ip_set.h')
| -rw-r--r-- | kernel/include/linux/netfilter/ipset/ip_set.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/include/linux/netfilter/ipset/ip_set.h b/kernel/include/linux/netfilter/ipset/ip_set.h index 554f90f..3a6963c 100644 --- a/kernel/include/linux/netfilter/ipset/ip_set.h +++ b/kernel/include/linux/netfilter/ipset/ip_set.h @@ -199,6 +199,9 @@ struct ip_set_region { u32 elements; /* Number of elements vs timeout */ }; +/* Max range where every element is added/deleted in one step */ +#define IPSET_MAX_RANGE (1<<20) + /* The max revision number supported by any set type + 1 */ #define IPSET_REVISION_MAX 9 |