tree: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master head: 902d6a4c2a4f411582689e53fb101895ffe99028 commit: 902d6a4c2a4f411582689e53fb101895ffe99028 [16/16] netfilter: nf_defrag: Skip defrag if NOTRACK is set config: x86_64-randconfig-it0-01121151 (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: git checkout 902d6a4c2a4f411582689e53fb101895ffe99028 # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): In file included from include/uapi/linux/swab.h:6:0, from include/linux/swab.h:5, from include/uapi/linux/byteorder/little_endian.h:13, from include/linux/byteorder/little_endian.h:5, from arch/x86/include/uapi/asm/byteorder.h:5, from include/uapi/linux/ipv6.h:8, from include/linux/ipv6.h:5, from net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:10: net/ipv6/netfilter/nf_defrag_ipv6_hooks.c: In function 'ipv6_defrag': >> net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:68:9: error: 'struct sk_buff' has no member named '_nfct' if (skb->_nfct == IP_CT_UNTRACKED) ^ include/linux/compiler.h:58:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:68:2: note: in expansion of macro 'if' if (skb->_nfct == IP_CT_UNTRACKED) ^~ >> net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:68:9: error: 'struct sk_buff' has no member named '_nfct' if (skb->_nfct == IP_CT_UNTRACKED) ^ include/linux/compiler.h:58:42: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:68:2: note: in expansion of macro 'if' if (skb->_nfct == IP_CT_UNTRACKED) ^~ >> net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:68:9: error: 'struct sk_buff' has no member named '_nfct' if (skb->_nfct == IP_CT_UNTRACKED) ^ include/linux/compiler.h:69:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^~~~ >> net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:68:2: note: in expansion of macro 'if' if (skb->_nfct == IP_CT_UNTRACKED) ^~ net/ipv6/netfilter/nf_defrag_ipv6_hooks.c: At top level: include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'strcpy' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:425:2: note: in expansion of macro 'if' if (p_size == (size_t)-1 && q_size == (size_t)-1) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:415:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:413:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:404:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:402:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:393:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:391:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:383:2: note: in expansion of macro 'if' if (p_size < size || q_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:380:3: note: in expansion of macro 'if' if (q_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:378:3: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:377:2: note: in expansion of macro 'if' -- In file included from include/linux/kernel.h:10:0, from include/linux/skbuff.h:17, from include/linux/ip.h:20, from net/ipv4/netfilter/nf_defrag_ipv4.c:10: net/ipv4/netfilter/nf_defrag_ipv4.c: In function 'ipv4_conntrack_defrag': >> net/ipv4/netfilter/nf_defrag_ipv4.c:83:9: error: 'struct sk_buff' has no member named '_nfct' if (skb->_nfct != IP_CT_UNTRACKED && ip_is_fragment(ip_hdr(skb))) { ^ include/linux/compiler.h:58:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> net/ipv4/netfilter/nf_defrag_ipv4.c:83:2: note: in expansion of macro 'if' if (skb->_nfct != IP_CT_UNTRACKED && ip_is_fragment(ip_hdr(skb))) { ^~ >> net/ipv4/netfilter/nf_defrag_ipv4.c:83:9: error: 'struct sk_buff' has no member named '_nfct' if (skb->_nfct != IP_CT_UNTRACKED && ip_is_fragment(ip_hdr(skb))) { ^ include/linux/compiler.h:58:42: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> net/ipv4/netfilter/nf_defrag_ipv4.c:83:2: note: in expansion of macro 'if' if (skb->_nfct != IP_CT_UNTRACKED && ip_is_fragment(ip_hdr(skb))) { ^~ >> net/ipv4/netfilter/nf_defrag_ipv4.c:83:9: error: 'struct sk_buff' has no member named '_nfct' if (skb->_nfct != IP_CT_UNTRACKED && ip_is_fragment(ip_hdr(skb))) { ^ include/linux/compiler.h:69:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^~~~ >> net/ipv4/netfilter/nf_defrag_ipv4.c:83:2: note: in expansion of macro 'if' if (skb->_nfct != IP_CT_UNTRACKED && ip_is_fragment(ip_hdr(skb))) { ^~ net/ipv4/netfilter/nf_defrag_ipv4.c: At top level: include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'strcpy' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:425:2: note: in expansion of macro 'if' if (p_size == (size_t)-1 && q_size == (size_t)-1) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:415:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:413:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:404:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:402:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:393:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:391:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:383:2: note: in expansion of macro 'if' if (p_size < size || q_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:380:3: note: in expansion of macro 'if' if (q_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:378:3: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static ______f = { \ ^ include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:377:2: note: in expansion of macro 'if' vim +68 net/ipv6/netfilter/nf_defrag_ipv6_hooks.c > 10 #include <linux/ipv6.h> 11 #include <linux/in6.h> 12 #include <linux/netfilter.h> 13 #include <linux/module.h> 14 #include <linux/skbuff.h> 15 #include <linux/icmp.h> 16 #include <linux/sysctl.h> 17 #include <net/ipv6.h> 18 #include <net/inet_frag.h> 19 20 #include <linux/netfilter_ipv6.h> 21 #include <linux/netfilter_bridge.h> 22 #if IS_ENABLED(CONFIG_NF_CONNTRACK) 23 #include <net/netfilter/nf_conntrack.h> 24 #include <net/netfilter/nf_conntrack_helper.h> 25 #include <net/netfilter/nf_conntrack_l4proto.h> 26 #include <net/netfilter/nf_conntrack_l3proto.h> 27 #include <net/netfilter/nf_conntrack_core.h> 28 #include <net/netfilter/ipv6/nf_conntrack_ipv6.h> 29 #endif 30 #include <net/netfilter/nf_conntrack_zones.h> 31 #include <net/netfilter/ipv6/nf_defrag_ipv6.h> 32 33 static DEFINE_MUTEX(defrag6_mutex); 34 35 static enum ip6_defrag_users nf_ct6_defrag_user(unsigned int hooknum, 36 struct sk_buff *skb) 37 { 38 u16 zone_id = NF_CT_DEFAULT_ZONE_ID; 39 #if IS_ENABLED(CONFIG_NF_CONNTRACK) 40 if (skb_nfct(skb)) { 41 enum ip_conntrack_info ctinfo; 42 const struct nf_conn *ct = nf_ct_get(skb, &ctinfo); 43 44 zone_id = nf_ct_zone_id(nf_ct_zone(ct), CTINFO2DIR(ctinfo)); 45 } 46 #endif 47 if (nf_bridge_in_prerouting(skb)) 48 return IP6_DEFRAG_CONNTRACK_BRIDGE_IN + zone_id; 49 50 if (hooknum == NF_INET_PRE_ROUTING) 51 return IP6_DEFRAG_CONNTRACK_IN + zone_id; 52 else 53 return IP6_DEFRAG_CONNTRACK_OUT + zone_id; 54 } 55 56 static unsigned int ipv6_defrag(void *priv, 57 struct sk_buff *skb, 58 const struct nf_hook_state *state) 59 { 60 int err; 61 62 #if IS_ENABLED(CONFIG_NF_CONNTRACK) 63 /* Previously seen (loopback)? */ 64 if (skb_nfct(skb) && !nf_ct_is_template((struct nf_conn *)skb_nfct(skb))) 65 return NF_ACCEPT; 66 #endif 67 > 68 if (skb->_nfct == IP_CT_UNTRACKED) 69 return NF_ACCEPT; 70 71 err = nf_ct_frag6_gather(state->net, skb, 72 nf_ct6_defrag_user(state->hook, skb)); 73 /* queued */ 74 if (err == -EINPROGRESS) 75 return NF_STOLEN; 76 77 return err == 0 ? NF_ACCEPT : NF_DROP; 78 } 79 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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