On Tue, Apr 18, 2017 at 12:39:58PM -0500, Peter Tirsek wrote:
> Commit 834184b1f3a4 ("netfilter: defrag: only register defrag
> functionality if needed") used the outdated XT_SOCKET_HAVE_IPV6 macro
> which was removed earlier in commit 8db4c5be88f6 ("netfilter: move
> socket lookup infrastructure to nf_socket_ipv{4,6}.c"). With that macro
> never being defined, the xt_socket match emits an "Unknown family 10"
> warning when used with IPv6:
>
> WARNING: CPU: 0 PID: 1377 at net/netfilter/xt_socket.c:160 socket_mt_enable_defrag+0x47/0x50 [xt_socket]
> Unknown family 10
> Modules linked in: xt_socket nf_socket_ipv4 nf_socket_ipv6 nf_defrag_ipv4 [...]
> CPU: 0 PID: 1377 Comm: ip6tables-resto Not tainted 4.10.10 #1
> Hardware name: [...]
> Call Trace:
> ? __warn+0xe7/0x100
> ? socket_mt_enable_defrag+0x47/0x50 [xt_socket]
> ? socket_mt_enable_defrag+0x47/0x50 [xt_socket]
> ? warn_slowpath_fmt+0x39/0x40
> ? socket_mt_enable_defrag+0x47/0x50 [xt_socket]
> ? socket_mt_v2_check+0x12/0x40 [xt_socket]
> ? xt_check_match+0x6b/0x1a0 [x_tables]
> ? xt_find_match+0x93/0xd0 [x_tables]
> ? xt_request_find_match+0x20/0x80 [x_tables]
> ? translate_table+0x48e/0x870 [ip6_tables]
> ? translate_table+0x577/0x870 [ip6_tables]
> ? walk_component+0x3a/0x200
> ? kmalloc_order+0x1d/0x50
> ? do_ip6t_set_ctl+0x181/0x490 [ip6_tables]
> ? filename_lookup+0xa5/0x120
> ? nf_setsockopt+0x3a/0x60
> ? ipv6_setsockopt+0xb0/0xc0
> ? sock_common_setsockopt+0x23/0x30
> ? SyS_socketcall+0x41d/0x630
> ? vfs_read+0xfa/0x120
> ? do_fast_syscall_32+0x7a/0x110
> ? entry_SYSENTER_32+0x47/0x71
>
> This patch brings the conditional back in line with how the rest of the
> file handles IPv6.
Applied, thanks.
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