xt_addrtype: both incoming and outgoing interface limitation cannot be selected ============================= WARNING: suspicious RCU usage 4.15.0-rc9+ #217 Not tainted ----------------------------- ./include/linux/rcupdate.h:302 Illegal context switch in RCU read-side critical section! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 0 3 locks held by syz-executor6/6154: #0: (&mm->mmap_sem){++++}, at: [<000000000fd1bf1b>] __do_page_fault+0x32d/0xc90 arch/x86/mm/fault.c:1359 #1: (&p->pi_lock){-.-.}, at: [<00000000b0892b54>] try_to_wake_up+0xbc/0x1600 kernel/sched/core.c:1988 #2: (rcu_read_lock){....}, at: [<0000000079f6f476>] select_task_rq_fair+0x37a/0x2770 kernel/sched/fair.c:6323 stack backtrace: CPU: 0 PID: 6154 Comm: syz-executor6 Not tainted 4.15.0-rc9+ #217 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+0x194/0x257 lib/dump_stack.c:53 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4585 rcu_preempt_sleep_check include/linux/rcupdate.h:301 [inline] ___might_sleep+0x385/0x470 kernel/sched/core.c:6025 clear_huge_page+0x37d/0x730 mm/memory.c:4586 __do_huge_pmd_anonymous_page mm/huge_memory.c:570 [inline] do_huge_pmd_anonymous_page+0x59c/0x1b00 mm/huge_memory.c:728 create_huge_pmd mm/memory.c:3834 [inline] __handle_mm_fault+0x1a0c/0x3ce0 mm/memory.c:4038 handle_mm_fault+0x334/0x8d0 mm/memory.c:4104 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1430 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1505 page_fault+0x4c/0x60 arch/x86/entry/entry_64.S:1260 RIP: 0033:0x405ad1 RSP: 002b:0000000000a2f460 EFLAGS: 00010246 RAX: 00000000209ba000 RBX: 000000000071ca20 RCX: 00000000000000e8 RDX: 6172cac5b777e287 RSI: 0000000000000000 RDI: 0000000001383848 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000a2f460 R11: 0000000000000000 R12: 0000000000000004 R13: fffffffffffffffe R14: 000000000071ca20 R15: 0000000000000002 ====================================================== WARNING: possible circular locking dependency detected 4.15.0-rc9+ #217 Not tainted ------------------------------------------------------ syz-executor0/6173 is trying to acquire lock: (rtnl_mutex){+.+.}, at: [<0000000078f70538>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 but task is already holding lock: (sk_lock-AF_INET6){+.+.}, at: [<00000000413042d5>] lock_sock include/net/sock.h:1463 [inline] (sk_lock-AF_INET6){+.+.}, at: [<00000000413042d5>] ipv6_setsockopt+0xff/0x150 net/ipv6/ipv6_sockglue.c:927 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (sk_lock-AF_INET6){+.+.}: lock_sock_nested+0xc2/0x110 net/core/sock.c:2780 lock_sock include/net/sock.h:1463 [inline] do_ipv6_setsockopt.isra.8+0x3c5/0x39d0 net/ipv6/ipv6_sockglue.c:167 ipv6_setsockopt+0xd7/0x150 net/ipv6/ipv6_sockglue.c:922 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 entry_SYSCALL_64_fastpath+0x29/0xa0 -> #0 (rtnl_mutex){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3914 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 register_netdevice_notifier+0xad/0x860 net/core/dev.c:1607 tee_tg_check+0x1a0/0x280 net/netfilter/xt_TEE.c:106 xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845 check_target net/ipv6/netfilter/ip6_tables.c:538 [inline] find_check_entry.isra.7+0x935/0xcf0 net/ipv6/netfilter/ip6_tables.c:580 translate_table+0xf52/0x1690 net/ipv6/netfilter/ip6_tables.c:749 do_replace net/ipv6/netfilter/ip6_tables.c:1165 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1691 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928 udpv6_setsockopt+0x45/0x80 net/ipv6/udp.c:1422 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 entry_SYSCALL_64_fastpath+0x29/0xa0 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sk_lock-AF_INET6); lock(rtnl_mutex); lock(sk_lock-AF_INET6); lock(rtnl_mutex); *** DEADLOCK *** 1 lock held by syz-executor0/6173: #0: (sk_lock-AF_INET6){+.+.}, at: [<00000000413042d5>] lock_sock include/net/sock.h:1463 [inline] #0: (sk_lock-AF_INET6){+.+.}, at: [<00000000413042d5>] ipv6_setsockopt+0xff/0x150 net/ipv6/ipv6_sockglue.c:927 stack backtrace: CPU: 1 PID: 6173 Comm: syz-executor0 Not tainted 4.15.0-rc9+ #217 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+0x194/0x257 lib/dump_stack.c:53 print_circular_bug.isra.37+0x2cd/0x2dc kernel/locking/lockdep.c:1218 check_prev_add kernel/locking/lockdep.c:1858 [inline] check_prevs_add kernel/locking/lockdep.c:1971 [inline] validate_chain kernel/locking/lockdep.c:2412 [inline] __lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3426 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3914 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 register_netdevice_notifier+0xad/0x860 net/core/dev.c:1607 tee_tg_check+0x1a0/0x280 net/netfilter/xt_TEE.c:106 xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845 check_target net/ipv6/netfilter/ip6_tables.c:538 [inline] find_check_entry.isra.7+0x935/0xcf0 net/ipv6/netfilter/ip6_tables.c:580 translate_table+0xf52/0x1690 net/ipv6/netfilter/ip6_tables.c:749 do_replace net/ipv6/netfilter/ip6_tables.c:1165 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1691 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928 udpv6_setsockopt+0x45/0x80 net/ipv6/udp.c:1422 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f45045dec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f45045df700 RCX: 0000000000453299 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000014 RBP: 0000000000000000 R08: 0000000000000408 R09: 0000000000000000 R10: 0000000020007000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a2f33f R14: 00007f45045df9c0 R15: 0000000000000000 xt_CT: You must specify a L4 protocol, and not use inversions on it. device lo entered promiscuous mode kauditd_printk_skb: 10 callbacks suppressed audit: type=1400 audit(1517342517.159:32): avc: denied { setopt } for pid=6280 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 sock: process `syz-executor5' is using obsolete setsockopt SO_BSDCOMPAT atomic_op 00000000ed2a4eca conn xmit_atomic (null) netlink: 'syz-executor1': attribute type 21 has an invalid length. audit: type=1400 audit(1517342517.789:33): avc: denied { create } for pid=6531 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_scsitransport_socket permissive=1 audit: type=1400 audit(1517342517.890:34): avc: denied { create } for pid=6571 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 audit: type=1400 audit(1517342517.897:35): avc: denied { write } for pid=6571 comm="syz-executor1" path="socket:[16048]" dev="sockfs" ino=16048 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 audit: type=1400 audit(1517342517.897:36): avc: denied { accept } for pid=6571 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 'syz-executor7': attribute type 28 has an invalid length. netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=180 sclass=netlink_route_socket pig=6719 comm=syz-executor1 xt_l2tp: invalid flags combination: 0 xt_l2tp: invalid flags combination: 0 netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. audit: type=1400 audit(1517342518.397:37): avc: denied { getopt } for pid=6744 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1400 audit(1517342518.398:38): avc: denied { ioctl } for pid=6744 comm="syz-executor7" path="socket:[15244]" dev="sockfs" ino=15244 ioctlcmd=0x8955 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 sctp: [Deprecated]: syz-executor6 (pid 6839) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor6 (pid 6848) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead audit: type=1400 audit(1517342518.773:39): avc: denied { read } for pid=6863 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 device syz6 entered promiscuous mode TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. device syz6 left promiscuous mode bpf: check failed: parse error openvswitch: netlink: ufid size 20 bytes exceeds the range (1, 16) openvswitch: netlink: Flow get message rejected, Key attribute missing. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=6942 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=6942 comm=syz-executor1 Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable openvswitch: netlink: ufid size 20 bytes exceeds the range (1, 16) openvswitch: netlink: Flow get message rejected, Key attribute missing. Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable netlink: 'syz-executor5': attribute type 1 has an invalid length. netlink: 'syz-executor5': attribute type 1 has an invalid length. bpf: check failed: parse error dccp_close: ABORT with 260 bytes unread can: request_module (can-proto-3) failed. can: request_module (can-proto-3) failed. insert transport fail, errno -17 IPv6: Can't replace route, no match found device syz3 entered promiscuous mode IPv6: Can't replace route, no match found device syz3 left promiscuous mode netlink: 'syz-executor0': attribute type 16 has an invalid length. netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 'syz-executor0': attribute type 16 has an invalid length. netlink: 'syz-executor0': attribute type 16 has an invalid length. audit: type=1400 audit(1517342520.176:40): avc: denied { map } for pid=7386 comm="syz-executor7" path=2F616E6F6E5F6875676570616765202864656C6574656429 dev="hugetlbfs" ino=16781 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:hugetlbfs_t:s0 tclass=file permissive=1 netlink: 394 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 394 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. device syz1 entered promiscuous mode device syz1 left promiscuous mode netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 'syz-executor4': attribute type 1 has an invalid length. netlink: 'syz-executor4': attribute type 1 has an invalid length. audit: type=1400 audit(1517342521.325:41): avc: denied { bind } for pid=7861 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 syz5: Invalid MTU 0 requested, hw min 68 syz5: Invalid MTU 0 requested, hw min 68 tc_ctl_action: received NO action attribs tc_ctl_action: received NO action attribs xt_l2tp: missing protocol rule (udp|l2tpip) device syz1 entered promiscuous mode device syz1 left promiscuous mode SELinux: unrecognized netlink message: protocol=9 nlmsg_type=44 sclass=netlink_audit_socket pig=8129 comm=syz-executor6 netlink: 'syz-executor3': attribute type 21 has an invalid length. netlink: 'syz-executor3': attribute type 21 has an invalid length. netlink: 'syz-executor5': attribute type 21 has an invalid length. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3 sclass=netlink_route_socket pig=8318 comm=syz-executor1 IPv4: Oversized IP packet from 127.0.0.1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3 sclass=netlink_route_socket pig=8334 comm=syz-executor1 kauditd_printk_skb: 1 callbacks suppressed audit: type=1400 audit(1517342522.762:43): avc: denied { accept } for pid=8415 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_netfilter_socket permissive=1 xt_CT: You must specify a L4 protocol, and not use inversions on it. xt_CT: You must specify a L4 protocol, and not use inversions on it. audit: type=1400 audit(1517342522.899:44): avc: denied { ioctl } for pid=8468 comm="syz-executor7" path="socket:[19535]" dev="sockfs" ino=19535 ioctlcmd=0x894c scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 audit: type=1400 audit(1517342522.908:45): avc: denied { setopt } for pid=8468 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 audit: type=1400 audit(1517342522.956:46): avc: denied { write } for pid=8475 comm="syz-executor3" 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 audit: type=1400 audit(1517342523.640:47): avc: denied { read } for pid=8728 comm="syz-executor5" path="socket:[18850]" dev="sockfs" ino=18850 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 audit: type=1400 audit(1517342523.734:48): avc: denied { accept } for pid=8765 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_generic_socket permissive=1 syz-executor3: vmalloc: allocation failure: 9126543360 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 0 PID: 8830 Comm: syz-executor3 Not tainted 4.15.0-rc9+ #217 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+0x194/0x257 lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3299 __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:406 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:774 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:704 do_replace net/ipv6/netfilter/ip6_tables.c:1165 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1691 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fd179923c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000013 RBP: 00000000000003d6 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000212 R12: 00000000006f4cb0 R13: 00000000ffffffff R14: 00007fd1799246d4 R15: 0000000000000000 Mem-Info: active_anon:54271 inactive_anon:63 isolated_anon:0 active_file:3437 inactive_file:8432 isolated_file:0 unevictable:0 dirty:6433 writeback:0 unstable:0 slab_reclaimable:8363 slab_unreclaimable:86712 mapped:24120 shmem:70 pagetables:621 bounce:0 free:1440601 free_pcp:397 free_cma:0 Node 0 active_anon:215044kB inactive_anon:252kB active_file:13748kB inactive_file:33728kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96480kB dirty:25732kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 90112kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 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 2868 6378 6378 Node 0 DMA32 free:2939272kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2939976kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:704kB local_pcp:704kB free_cma:0kB lowmem_reserve[]: 0 0 3510 3510 Node 0 Normal free:2807288kB min:37096kB low:46368kB high:55640kB active_anon:217096kB inactive_anon:252kB active_file:13748kB inactive_file:33728kB unevictable:0kB writepending:25732kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:3936kB pagetables:2484kB bounce:0kB free_pcp:928kB local_pcp:280kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (M) 5*8kB (M) 3*16kB (M) 3*32kB (M) 1*64kB (M) 3*128kB (M) 3*256kB (M) 2*512kB (M) 2*1024kB (M) 1*2048kB (M) 716*4096kB (M) = 2939272kB Node 0 Normal: 144*4kB (UM) 82*8kB (UME) 7*16kB (UME) 131*32kB (UME) 96*64kB (UM) 38*128kB (UME) 21*256kB (UM) 15*512kB (UM) 15*1024kB (UE) 12*2048kB (UME) 670*4096kB (UM) = 2813856kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11938 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 328415 pages reserved audit: type=1400 audit(1517342524.445:49): avc: denied { net_bind_service } for pid=8899 comm="syz-executor2" capability=10 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1517342524.810:50): avc: denied { bind } for pid=9033 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 audit: type=1400 audit(1517342524.810:51): avc: denied { getopt } for pid=9033 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 device lo entered promiscuous mode net_ratelimit: 1 callbacks suppressed IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 audit: type=1400 audit(1517342525.563:52): avc: denied { net_broadcast } for pid=9350 comm="syz-executor0" capability=11 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 syz2: FDB only supports static addresses syz2: FDB only supports static addresses