kernel msg: ebtables bug: please report to author: entries_size too small BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt() CPU: 1 PID: 7665 Comm: syz-executor0 Not tainted 4.16.0-rc4+ #270 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: syz-executor5: vmalloc: allocation failure: 17045651456 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 syz-executor5 cpuset= tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422 / ccid3_hc_rx_packet_recv+0x696/0xeb3 net/dccp/ccids/ccid3.c:765 mems_allowed=0 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline] dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180 dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378 dccp_v4_do_rcv+0x135/0x160 net/dccp/ipv4.c:653 sk_backlog_rcv include/net/sock.h:909 [inline] __sk_receive_skb+0x33e/0xc10 net/core/sock.c:513 dccp_v4_rcv+0xf5f/0x1c80 net/dccp/ipv4.c:874 ip_local_deliver_finish+0x2f1/0xc50 net/ipv4/ip_input.c:216 NF_HOOK include/linux/netfilter.h:288 [inline] ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0xa36/0x2040 net/ipv4/ip_input.c:397 NF_HOOK include/linux/netfilter.h:288 [inline] ip_rcv+0xb76/0x1820 net/ipv4/ip_input.c:493 __netif_receive_skb_core+0x1a41/0x3460 net/core/dev.c:4557 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4622 process_backlog+0x203/0x740 net/core/dev.c:5302 napi_poll net/core/dev.c:5700 [inline] net_rx_action+0x792/0x1910 net/core/dev.c:5766 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1040 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329 do_softirq kernel/softirq.c:177 [inline] __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182 local_bh_enable include/linux/bottom_half.h:32 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:726 [inline] ip_finish_output2+0x962/0x1550 net/ipv4/ip_output.c:231 ip_finish_output+0x864/0xd10 net/ipv4/ip_output.c:317 NF_HOOK_COND include/linux/netfilter.h:277 [inline] ip_output+0x1d2/0x860 net/ipv4/ip_output.c:405 dst_output include/net/dst.h:444 [inline] ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142 dccp_xmit_packet+0x215/0x740 net/dccp/output.c:281 dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363 dccp_sendmsg+0x95f/0xdc0 net/dccp/proto.c:813 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763 sock_sendmsg_nosec net/socket.c:629 [inline] sock_sendmsg+0xca/0x110 net/socket.c:639 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2047 __sys_sendmsg+0xe5/0x210 net/socket.c:2081 SYSC_sendmsg net/socket.c:2092 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2088 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f83b2ec0c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f83b2ec16d4 RCX: 0000000000453e69 RDX: 0000000004044001 RSI: 0000000020001580 RDI: 0000000000000015 RBP: 000000000072bf58 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004c9 R14: 00000000006f7378 R15: 0000000000000001 CPU: 0 PID: 7661 Comm: syz-executor5 Not tainted 4.16.0-rc4+ #270 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: dccp_close: ABORT with 2 bytes unread __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3310 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:428 kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:778 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:703 do_replace net/ipv6/netfilter/ip6_tables.c:1164 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1690 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2878 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1850 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1829 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f410f5a4c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f410f5a56d4 RCX: 0000000000453e69 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000014 RBP: 000000000072bea0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000520 R14: 00000000006f7ba0 R15: 0000000000000000 Mem-Info: active_anon:50808 inactive_anon:63 isolated_anon:0 active_file:3488 inactive_file:8576 isolated_file:0 unevictable:0 dirty:6656 writeback:0 unstable:0 slab_reclaimable:8112 slab_unreclaimable:90167 mapped:24314 shmem:70 pagetables:599 bounce:0 free:1439974 free_pcp:517 free_cma:0 Node 0 active_anon:205276kB inactive_anon:252kB active_file:13952kB inactive_file:34304kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:97256kB dirty:26624kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no syz-executor5: vmalloc: allocation failure: 17045651456 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2864 6373 6373 syz-executor5 cpuset=/ mems_allowed=0 Node 0 DMA32 free:2934560kB min:30292kB low:37864kB high:45436kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2935308kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:748kB local_pcp:48kB free_cma:0kB CPU: 1 PID: 7670 Comm: syz-executor5 Not tainted 4.16.0-rc4+ #270 lowmem_reserve[]: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 0 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3310 0 3509 3509 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 Node 0 kvmalloc_node+0x82/0xd0 mm/util.c:428 Normal free:2807044kB min:37120kB low:46400kB high:55680kB active_anon:205276kB inactive_anon:252kB active_file:13952kB inactive_file:34304kB unevictable:0kB writepending:26624kB present:4718592kB managed:3593744kB mlocked:0kB kernel_stack:4576kB pagetables:2396kB bounce:0kB free_pcp:1248kB local_pcp:676kB free_cma:0kB kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:778 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:703 lowmem_reserve[]: 0 do_replace net/ipv6/netfilter/ip6_tables.c:1164 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1690 0 0 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 0 ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2878 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1850 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1829 Node 0 DMA: 1*4kB do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 (U) 0*8kB 0*16kB 1*32kB entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 (U) RSP: 002b:00007f410f562c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f410f5636d4 RCX: 0000000000453e69 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000014 RBP: 000000000072c010 R08: 0000000000000004 R09: 0000000000000000 2*64kB R10: 0000000020001fde R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000520 R14: 00000000006f7ba0 R15: 0000000000000002 (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 2*4kB (M) 3*8kB (M) 2*16kB (M) 3*32kB (M) 2*64kB (M) 2*128kB (M) 1*256kB (M) 2*512kB (M) 2*1024kB (M) 1*2048kB (M) 715*4096kB (M) = 2934560kB Node 0 Normal: 95*4kB (UME) 57*8kB (UME) 833*16kB (UM) 342*32kB (UM) 164*64kB (UME) 106*128kB (UME) 30*256kB (U) 24*512kB (UME) 84*1024kB (UME) 5*2048kB (UM) 645*4096kB (UM) = 2807316kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12137 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 329729 pages reserved SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61087 sclass=netlink_route_socket pig=7749 comm=syz-executor2 audit: type=1400 audit(1521328710.789:55): avc: denied { setopt } for pid=7754 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 syz-executor2 (7822) used greatest stack depth: 11576 bytes left netlink: 'syz-executor6': attribute type 1 has an invalid length. netlink: 'syz-executor6': attribute type 1 has an invalid length. openvswitch: netlink: Flow actions attr not present in new flow. openvswitch: netlink: Flow actions attr not present in new flow. netlink: 12 bytes leftover after parsing attributes in process `syz-executor3'. sit0: Invalid MTU 6619167 requested, hw max 65508 sit0: Invalid MTU 6619167 requested, hw max 65508 audit: type=1400 audit(1521328711.756:56): avc: denied { ioctl } for pid=8069 comm="syz-executor0" path="socket:[20747]" dev="sockfs" ino=20747 ioctlcmd=0x8915 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=sock_file permissive=1 sctp: [Deprecated]: syz-executor3 (pid 8097) Use of int in max_burst socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor3 (pid 8097) Use of int in max_burst socket option. Use struct sctp_assoc_value instead SELinux: unrecognized netlink message: protocol=0 nlmsg_type=273 sclass=netlink_route_socket pig=8126 comm=syz-executor6 kernel msg: ebtables bug: please report to author: Valid hook without chain kernel msg: ebtables bug: please report to author: Valid hook without chain audit: type=1400 audit(1521328712.229:57): avc: denied { map } for pid=8204 comm="syz-executor7" path="socket:[20145]" dev="sockfs" ino=20145 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=tcp_socket permissive=1 netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 'syz-executor5': attribute type 1 has an invalid length. netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. sctp: [Deprecated]: syz-executor7 (pid 8816) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor7 (pid 8832) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 'syz-executor4': attribute type 29 has an invalid length. kernel msg: ebtables bug: please report to author: entries_size too small kernel msg: ebtables bug: please report to author: entries_size too small SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket pig=9214 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket pig=9225 comm=syz-executor2