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(parent: 932909d) | patch
netfilter: x_tables: add and use xt_check_proc_name
authorFlorian Westphal <[email protected]>
Sat, 10 Mar 2018 00:15:45 +0000 (01:15 +0100)
committerPablo Neira Ayuso <[email protected]>
Sun, 11 Mar 2018 20:24:29 +0000 (21:24 +0100)
commitb1d0a5d0cba4597c0394997b2d5fced3e3841b4e
tree70d90ea7b61812f4472ac77f78eb697aac3f1e2btree | snapshot
parent932909d9b28d27e807ff8eecb68c7748f6701628commit | diff
netfilter: x_tables: add and use xt_check_proc_name

recent and hashlimit both create /proc files, but only check that
name is 0 terminated.

This can trigger WARN() from procfs when name is "" or "/".
Add helper for this and then use it for both.

Cc: Eric Dumazet <[email protected]>
Reported-by: Eric Dumazet <[email protected]>
Reported-by: <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
include/linux/netfilter/x_tables.h diff | blob | history
net/netfilter/x_tables.c diff | blob | history
net/netfilter/xt_hashlimit.c diff | blob | history
net/netfilter/xt_recent.c diff | blob | history
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