Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 320509 pages reserved BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor7/8509 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cb517828 ffffffff81d94fc9 1ffff100396a2f08 ffff8801cf301800 ffffffff83ab9320 0000000000000001 0000000000400000 ffff8801cb517938 ffffffff81451e22 024000c200000003 0000000041b58ab3 ffffffff841958e5 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+0x21a/0x1e80 net/ipv6/netfilter/ip6_tables.c:730 [] ? 0xffffffff810002b8 [] do_replace net/ipv6/netfilter/ip6_tables.c:1182 [inline] [] do_ip6t_set_ctl+0x2be/0x470 net/ipv6/netfilter/ip6_tables.c:1708 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:912 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2755 [] 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 [] do_syscall_64+0x1a5/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 CPU: 0 PID: 8509 Comm: syz-executor7 Not tainted 4.9.82-g7595d55 #39 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cc86f678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 ffffffff83f45ba0 ffff8801cc3a8000 0000000000000003 ffff8801cc86f6b8 ffffffff81dfc5c4 ffff8801cc86f6d0 ffffffff83f45ba0 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 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506 [] pfkey_process+0x68b/0x750 net/key/af_key.c:2834 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678 [] 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 [] do_syscall_64+0x1a5/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=17 sclass=netlink_tcpdiag_socket pig=8511 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=17 sclass=netlink_tcpdiag_socket pig=8511 comm=syz-executor4 Mem-Info: active_anon:60477 inactive_anon:45 isolated_anon:0 active_file:3527 inactive_file:8428 isolated_file:0 unevictable:0 dirty:193 writeback:0 unstable:0 slab_reclaimable:6645 slab_unreclaimable:59123 mapped:24243 shmem:52 pagetables:674 bounce:0 free:1468233 free_pcp:369 free_cma:0 Node 0 active_anon:241908kB inactive_anon:180kB active_file:14108kB inactive_file:33712kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96972kB dirty:772kB writeback:0kB shmem:208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 94208kB 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:2979952kB 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:768kB local_pcp:720kB free_cma:0kB Normal free:2877072kB min:36824kB low:46028kB high:55232kB active_anon:241908kB inactive_anon:180kB active_file:14108kB inactive_file:33712kB unevictable:0kB writepending:772kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26580kB slab_unreclaimable:236492kB kernel_stack:5760kB pagetables:2696kB bounce:0kB free_pcp:708kB local_pcp:504kB 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 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12006 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 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=22 sclass=netlink_tcpdiag_socket pig=8587 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=22 sclass=netlink_tcpdiag_socket pig=8594 comm=syz-executor5 TCP: request_sock_TCPv6: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 syz-executor6 (8736) used greatest stack depth: 23872 bytes left audit: type=1400 audit(1519290849.873:33): avc: denied { create } for pid=8900 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_scsitransport_socket permissive=1 IPVS: Creating netns size=2536 id=9 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 mmap: syz-executor1 (8991): VmData 18530304 exceed data ulimit 0. Update limits or use boot option ignore_rlimit_data. binder: binder_mmap: 9095 20000000-20002000 bad vm_flags failed -1 binder: binder_mmap: 9095 20000000-20002000 bad vm_flags failed -1 binder: undelivered death notification, 0000000000000000 binder: undelivered death notification, 0000000000000000 IPVS: Creating netns size=2536 id=10 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. audit: type=1400 audit(1519290855.583:34): avc: denied { transfer } for pid=9539 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=binder permissive=1 binder: release 9539:9544 transaction 24 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: BINDER_SET_CONTEXT_MGR already set binder: 9539:9553 ioctl 40046207 0 returned -16 binder_alloc: 9539: binder_alloc_buf, no vma binder: 9539:9549 transaction failed 29189/-3, size 40-8 line 3127 binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 24, target dead device lo entered promiscuous mode device lo left promiscuous mode audit: type=1400 audit(1519290856.123:35): avc: denied { setopt } for pid=9676 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 lo entered promiscuous mode device lo left promiscuous mode netlink: 64 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor1'.