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netfilter: nf_tables: pass ctx to nf_tables_expr_destroy()

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nft_set_elem_destroy() can be called from call_rcu context. Annotate
netns and table in set object so we can populate the context object.
Moreover, pass context object to nf_tables_set_elem_destroy() from the
commit phase, since it is already available from there.

Signed-off-by: Pablo Neira Ayuso <[email protected]>
This commit is contained in:
Pablo Neira Ayuso 2018-06-02 23:38:48 +02:00
commit 3453c92731
2 changed files with 16 additions and 4 deletions
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4
include/net/netfilter/nf_tables.h
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@ -370,6 +370,8 @@ void nft_unregister_set(struct nft_set_type *type);
*
* @list: table set list node
* @bindings: list of set bindings
* @table: table this set belongs to
* @net: netnamespace this set belongs to
* @name: name of the set
* @handle: unique handle of the set
* @ktype: key type (numeric type defined by userspace, not used in the kernel)
@ -393,6 +395,8 @@ void nft_unregister_set(struct nft_set_type *type);
struct nft_set {
struct list_head list;
struct list_head bindings;
struct nft_table *table;
possible_net_t net;
char *name;
u64 handle;
u32 ktype;