CPU: 0 PID: 5647 Comm: syz-executor1 Not tainted 4.9.80-g20c8a00 #30 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 check_preemption_disabled: 17 callbacks suppressed BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/5670 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 ffff8801b13ff880 ffffffff81d94b69 1ffff1003627ff13 ffff8801c219e000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801b13ff990 ffffffff81451ca2 024000c200000003 0000000041b58ab3 ffffffff84195215 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3056 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x2da/0x1cd0 net/ipv4/netfilter/arp_tables.c:549 [] ? 0xffffffff810002b8 [] do_replace net/ipv4/netfilter/arp_tables.c:986 [inline] [] do_arpt_set_ctl+0x2b7/0x650 net/ipv4/netfilter/arp_tables.c:1465 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1248 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2740 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1772 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1751 [] entry_SYSCALL_64_fastpath+0x29/0xe8 CPU: 1 PID: 5670 Comm: syz-executor0 Not tainted 4.9.80-g20c8a00 #30 Mem-Info: active_anon:58831 inactive_anon:44 isolated_anon:0 active_file:3478 inactive_file:8264 isolated_file:0 unevictable:0 dirty:140 writeback:0 unstable:0 slab_reclaimable:5364 slab_unreclaimable:59992 mapped:24108 shmem:51 pagetables:681 bounce:0 free:1470047 free_pcp:417 free_cma:0 Node 0 active_anon:235324kB inactive_anon:176kB active_file:13912kB inactive_file:33056kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96432kB dirty:560kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 71680kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32 free:2979960kB min:30592kB low:38240kB high:45888kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2980720kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:760kB local_pcp:48kB free_cma:0kB Normal free:2884320kB min:36824kB low:46028kB high:55232kB active_anon:235324kB inactive_anon:176kB active_file:13912kB inactive_file:33056kB unevictable:0kB writepending:560kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:21456kB slab_unreclaimable:239968kB kernel_stack:5856kB pagetables:2724kB bounce:0kB free_pcp:908kB local_pcp:568kB free_cma:0kB 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 ffff8801b0c8f478 ffffffff81d94b69 0000000000000001 ffffffff83c18800 ffffffff83f454c0 ffff8801b0c80000 0000000000000003 ffff8801b0c8f4b8 ffffffff81dfc144 ffff8801b0c8f4d0 ffffffff83f454c0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_state_construct net/xfrm/xfrm_user.c:590 [inline] [] xfrm_add_sa+0x1916/0x2e40 net/xfrm/xfrm_user.c:639 [] xfrm_user_rcv_msg+0x413/0x6a0 net/xfrm/xfrm_user.c:2525 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2351 [] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2533 [] netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] [] netlink_unicast+0x511/0x750 net/netlink/af_netlink.c:1301 [] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2003 [] SYSC_sendmsg net/socket.c:2014 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2010 [] entry_SYSCALL_64_fastpath+0x29/0xe8 2*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979960kB Normal: 153*4kB (UM) 66*8kB (UME) 9*16kB (M) 14*32kB (UME) 4*64kB (UE) 4*128kB (UE) 8*256kB (UME) 2*512kB (ME) 2*1024kB (UE) 3*2048kB (UM) 708*4096kB (M) = 2913732kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11801 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 320509 pages reserved A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=5833 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=5833 comm=syz-executor1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor1'. audit: type=1400 audit(1518073255.396:20): avc: denied { setuid } for pid=5901 comm="syz-executor0" capability=7 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 device lo entered promiscuous mode ALSA: seq fatal error: cannot create timer (-16) audit: type=1400 audit(1518073255.826:21): avc: denied { create } for pid=6014 comm="syz-executor4" 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 device gre0 entered promiscuous mode audit: type=1400 audit(1518073255.866:22): avc: denied { write } for pid=6014 comm="syz-executor4" 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 binder: 6037:6039 ioctl c018620b 20e8cbdc returned -14 device gre0 entered promiscuous mode TCP: request_sock_TCPv6: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. audit: type=1400 audit(1518073256.146:23): avc: denied { create } for pid=6084 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_connector_socket permissive=1 device eql entered promiscuous mode Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode audit: type=1400 audit(1518073256.676:24): avc: denied { setopt } for pid=6199 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 audit: type=1400 audit(1518073256.686:25): avc: denied { getopt } for pid=6210 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_generic_socket permissive=1 audit: type=1400 audit(1518073256.686:26): avc: denied { getattr } for pid=6210 comm="syz-executor7" path="socket:[14038]" dev="sockfs" ino=14038 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(1518073256.686:27): avc: denied { ioctl } for pid=6210 comm="syz-executor7" path="socket:[14037]" dev="sockfs" ino=14037 ioctlcmd=0x8903 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 audit: type=1400 audit(1518073256.696:28): avc: denied { getattr } for pid=6210 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_generic_socket permissive=1 binder_alloc: 6225: binder_alloc_buf, no vma binder: 6225:6229 transaction failed 29189/-3, size 72-16 line 3127 binder_alloc: 6225: binder_alloc_buf, no vma binder: 6225:6237 transaction failed 29189/-3, size 72-16 line 3127 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 netlink: 72 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 72 bytes leftover after parsing attributes in process `syz-executor2'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2555 sclass=netlink_route_socket pig=6271 comm=syz-executor5 TCP: request_sock_TCPv6: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. device gre0 entered promiscuous mode device gre0 entered promiscuous mode binder: BINDER_SET_CONTEXT_MGR already set binder: 6464:6466 ioctl 40046207 0 returned -16 binder_alloc: 6464: binder_alloc_buf, no vma binder: 6464:6466 transaction failed 29189/-3, size 0-0 line 3127 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 6464:6466 transaction 20 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 20, target dead SELinux: truncated policydb string identifier SELinux: truncated policydb string identifier audit_printk_skb: 6 callbacks suppressed audit: type=1400 audit(1518073259.006:31): avc: denied { create } for pid=6767 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:init_var_run_t:s0 tclass=key permissive=1 audit: type=1400 audit(1518073259.096:32): avc: denied { write } for pid=6767 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:init_var_run_t:s0 tclass=key permissive=1 binder: 6826:6829 transaction failed 29189/-22, size 22519-0 line 3004 binder: undelivered TRANSACTION_ERROR: 29189 binder: 6846:6855 BC_REQUEST_DEATH_NOTIFICATION death notification already set binder: 6866:6867 ERROR: BC_REGISTER_LOOPER called without request binder: 6846:6868 tried to acquire reference to desc 0, got 1 instead binder: BINDER_SET_CONTEXT_MGR already set binder: 6871:6875 ioctl 40046207 0 returned -16 binder_alloc: 6846: binder_alloc_buf, no vma binder: 6871:6875 transaction failed 29189/-3, size 0-0 line 3127 audit: type=1400 audit(1518073259.376:33): avc: denied { transfer } for pid=6866 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=binder permissive=1 binder: 6846:6855 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 30, process died. binder: 6866:6867 ERROR: BC_REGISTER_LOOPER called without request binder: 6866:6878 got reply transaction with no transaction stack binder: 6866:6878 transaction failed 29201/-71, size 24-8 line 2920 netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. binder: release 6866:6867 transaction 34 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 34, target dead binder_alloc: binder_alloc_mmap_handler: 6871 20000000-20002000 already mapped failed -16 netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. binder_alloc: 6871: binder_alloc_buf, no vma binder: 6871:6892 transaction failed 29189/-3, size 0-0 line 3127 binder: undelivered death notification, 0000000000000000 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 6983 Comm: syz-executor5 Not tainted 4.9.80-g20c8a00 #30 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d5657610 ffffffff81d94b69 ffff8801d56578f0 0000000000000000 ffff8801ca943d90 ffff8801d56577e0 ffff8801ca943c80 ffff8801d5657808 ffffffff816624ba 0000000000007be1 ffff8801d566a0f0 ffff8801d566a0a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055 [] import_iovec+0xc8/0x3c0 lib/iov_iter.c:1243 [] do_readv_writev+0xd2/0x750 fs/read_write.c:850 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x29/0xe8 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 6983 Comm: syz-executor5 Not tainted 4.9.80-g20c8a00 #30 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d5657610 ffffffff81d94b69 ffff8801d56578f0 0000000000000000 ffff8801c9d4ab90 ffff8801d56577e0 ffff8801c9d4aa80 ffff8801d5657808 ffffffff816624ba 0000000000007be1 ffff8801d566a0f0 ffff8801d566a0a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055 [] import_iovec+0xc8/0x3c0 lib/iov_iter.c:1243 [] do_readv_writev+0xd2/0x750 fs/read_write.c:850 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x29/0xe8 binder: 7057:7060 ioctl c0306201 20008fd0 returned -14 binder: 7134:7147 ioctl c018620b 2000afe8 returned -14 device gre0 entered promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode binder_alloc: binder_alloc_mmap_handler: 7337 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7337:7339 ioctl 40046207 0 returned -16 PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex IPVS: Creating netns size=2536 id=9 binder: 7511:7515 ERROR: BC_REGISTER_LOOPER called without request binder_alloc: binder_alloc_mmap_handler: 7511 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7511:7523 ioctl 40046207 0 returned -16 IPVS: Creating netns size=2536 id=10 binder_alloc: 7511: binder_alloc_buf, no vma binder: 7511:7515 transaction failed 29189/-3, size 0-0 line 3127 binder: 7511:7530 ERROR: BC_REGISTER_LOOPER called without request binder: undelivered TRANSACTION_ERROR: 29189 audit: type=1400 audit(1518073262.046:34): avc: denied { net_admin } for pid=3739 comm="syz-executor0" capability=12 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(1518073262.096:35): avc: denied { net_admin } for pid=3750 comm="syz-executor1" capability=12 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(1518073262.106:36): avc: denied { setgid } for pid=7556 comm="syz-executor5" capability=6 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(1518073262.186:37): avc: denied { net_raw } for pid=7561 comm="syz-executor0" capability=13 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 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads audit: type=1400 audit(1518073263.076:38): avc: denied { sys_admin } for pid=7591 comm="syz-executor3" capability=21 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