BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/7909 syz-executor2: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 7912 Comm: syz-executor2 Not tainted 4.9.79-g47af77b #26 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cdf17880 ffffffff81d94b09 1ffff10039be2f13 ffff8801c5cb9800 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801cdf17990 ffffffff81451c92 024000c200000003 0000000041b58ab3 ffffffff84195205 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 Mem-Info: active_anon:55922 inactive_anon:42 isolated_anon:0 active_file:3550 inactive_file:8572 isolated_file:0 unevictable:0 dirty:65 writeback:0 unstable:0 slab_reclaimable:6097 slab_unreclaimable:59905 mapped:24087 shmem:49 pagetables:709 bounce:0 free:1471228 free_pcp:419 free_cma:0 Node 0 active_anon:223688kB inactive_anon:168kB active_file:14200kB inactive_file:34288kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96348kB dirty:260kB writeback:0kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 81920kB 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:712kB free_cma:0kB Normal free:2889044kB min:36824kB low:46028kB high:55232kB active_anon:223688kB inactive_anon:168kB active_file:14200kB inactive_file:34288kB unevictable:0kB writepending:260kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:24388kB slab_unreclaimable:239620kB kernel_stack:5728kB pagetables:2836kB bounce:0kB free_pcp:916kB local_pcp:360kB 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 12170 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 syz-executor2: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 7917 Comm: syz-executor2 Not tainted 4.9.79-g47af77b #26 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c3b5f880 ffffffff81d94b09 1ffff1003876bf13 ffff8801cb61c800 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801c3b5f990 ffffffff81451c92 024000c200000003 0000000041b58ab3 ffffffff84195205 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 Mem-Info: active_anon:56426 inactive_anon:42 isolated_anon:0 active_file:3550 inactive_file:8572 isolated_file:0 unevictable:0 dirty:65 writeback:0 unstable:0 slab_reclaimable:6097 slab_unreclaimable:59905 mapped:24087 shmem:49 pagetables:709 bounce:0 free:1470708 free_pcp:409 free_cma:0 Node 0 active_anon:225704kB inactive_anon:168kB active_file:14200kB inactive_file:34288kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96348kB dirty:260kB writeback:0kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 81920kB 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:712kB free_cma:0kB Normal free:2886964kB min:36824kB low:46028kB high:55232kB active_anon:225704kB inactive_anon:168kB active_file:14200kB inactive_file:34288kB unevictable:0kB writepending:260kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:24388kB slab_unreclaimable:239620kB kernel_stack:5728kB pagetables:2836kB bounce:0kB free_pcp:876kB local_pcp:320kB 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 12170 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 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 7909 Comm: syz-executor0 Not tainted 4.9.79-g47af77b #26 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c2e27478 ffffffff81d94b09 0000000000000000 ffffffff83c18800 ffffffff83f454c0 ffff8801c4654800 0000000000000003 ffff8801c2e274b8 ffffffff81dfc0e4 ffff8801c2e274d0 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 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/7933 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 7933 Comm: syz-executor0 Not tainted 4.9.79-g47af77b #26 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c9e9f478 ffffffff81d94b09 0000000000000001 ffffffff83c18800 ffffffff83f454c0 ffff8801c0b43000 0000000000000003 ffff8801c9e9f4b8 ffffffff81dfc0e4 ffff8801c9e9f4d0 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 device syz0 entered promiscuous mode audit: type=1400 audit(1517708091.387:52): avc: denied { lock } for pid=7977 comm="syz-executor3" path="socket:[17729]" dev="sockfs" ino=17729 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(1517708091.397:53): avc: denied { read } for pid=7977 comm="syz-executor3" path="socket:[17729]" dev="sockfs" ino=17729 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(1517708091.607:54): avc: denied { getopt } for pid=8038 comm="syz-executor2" 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 binder: 8058:8059 BC_FREE_BUFFER u0000000000000000 no match binder: 8058:8059 BC_REQUEST_DEATH_NOTIFICATION invalid ref 3 binder: 8058:8059 ERROR: BC_REGISTER_LOOPER called without request binder: 8058:8059 BC_FREE_BUFFER u0000000000000000 no match binder: 8058:8059 BC_ACQUIRE_DONE u0000000000000000 no match audit: type=1400 audit(1517708091.647:55): avc: denied { ioctl } for pid=8038 comm="syz-executor2" path="socket:[18616]" dev="sockfs" ino=18616 ioctlcmd=0x8916 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 binder: 8058:8070 transaction failed 29189/-22, size 0-0 line 3004 binder: 8058:8070 ioctl c0306201 20008fd0 returned -14 binder: 8058:8070 BC_FREE_BUFFER u0000000000000000 no match binder: 8058:8070 BC_REQUEST_DEATH_NOTIFICATION invalid ref 3 binder: 8058:8070 ERROR: BC_REGISTER_LOOPER called without request binder: 8058:8059 transaction failed 29189/-22, size 0-0 line 3004 binder: 8058:8087 ioctl c0306201 20008fd0 returned -14 binder: 8058:8070 BC_FREE_BUFFER u0000000000000000 no match binder: 8058:8070 BC_ACQUIRE_DONE u0000000000000000 no match binder: undelivered TRANSACTION_ERROR: 29189 syz2: FDB only supports static addresses IPVS: Creating netns size=2536 id=11 dummy0: renamed from gre0 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 mip6: mip6_destopt_init_state: spi is not 0: 3674472448 mip6: mip6_destopt_init_state: spi is not 0: 3674472448 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor2/8484 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 8484 Comm: syz-executor2 Not tainted 4.9.79-g47af77b #26 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ba6c7490 ffffffff81d94b09 0000000000000000 ffffffff83c18800 ffffffff83f454c0 ffff8801d95e6000 0000000000000003 ffff8801ba6c74d0 ffffffff81dfc0e4 ffff8801ba6c74e8 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 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __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 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor2/8484 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 8484 Comm: syz-executor2 Not tainted 4.9.79-g47af77b #26 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ba6c7490 ffffffff81d94b09 0000000000000000 ffffffff83c18800 ffffffff83f454c0 ffff8801d95e6000 0000000000000003 ffff8801ba6c74d0 ffffffff81dfc0e4 ffff8801ba6c74e8 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 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __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 device gre0 entered promiscuous mode device gre0 entered promiscuous mode IPVS: Creating netns size=2536 id=12 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(1517708095.237:56): avc: denied { setopt } for pid=8708 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 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 device gre0 entered promiscuous mode binder: 8826:8831 BC_INCREFS_DONE u0000000000000000 no match audit: type=1400 audit(1517708096.087:57): avc: denied { net_broadcast } for pid=8828 comm="syz-executor5" 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 IPVS: Creating netns size=2536 id=13 audit: type=1400 audit(1517708096.767:58): avc: denied { execute } for pid=9038 comm="syz-executor5" dev="pipefs" ino=18345 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=fifo_file 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(1517708097.817:59): avc: denied { setopt } for pid=9147 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 9pnet_virtio: no channels available for device H 9pnet_virtio: no channels available for device H FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 9285 Comm: syz-executor5 Not tainted 4.9.79-g47af77b #26 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801bb007930 ffffffff81d94b09 ffff8801bb007c10 0000000000000000 ffff8801b9b7f310 ffff8801bb007b00 ffff8801b9b7f200 ffff8801bb007b28 ffffffff816624aa 0000000000002b25 ffff8801affd38f0 ffff8801affd38a0 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 binder: 9321:9323 ioctl c0306201 20003fd0 returned -14 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470 binder: 9321:9323 Acquire 1 refcount change on invalid ref 0 ret -22 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055 [] entry_SYSCALL_64_fastpath+0x29/0xe8 binder: 9332:9342 ERROR: BC_REGISTER_LOOPER called without request SELinux: policydb magic number 0x758787cf does not match expected magic number 0xf97cff8c audit: type=1400 audit(1517708098.567:60): avc: denied { transfer } for pid=9332 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=binder permissive=1 binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 30, process died. binder: 9332:9362 ERROR: BC_REGISTER_LOOPER called without request binder_alloc: 9332: binder_alloc_buf, no vma binder: 9332:9362 transaction failed 29189/-3, size 0-0 line 3127 binder: 9332:9376 got reply transaction with no transaction stack binder: 9332:9376 transaction failed 29201/-71, size 24-8 line 2920 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 SELinux: policydb magic number 0x758787cf does not match expected magic number 0xf97cff8c netlink: 9 bytes leftover after parsing attributes in process `+'. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. netlink: 9 bytes leftover after parsing attributes in process `+'. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. device lo entered promiscuous mode qtaguid: iface_stat: create(lo): no inet dev qtaguid: iface_stat: create6(lo): no inet dev IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready qtaguid: iface_stat: create6(lo): no inet dev device lo left promiscuous mode device lo entered promiscuous mode qtaguid: iface_stat: create(lo): no inet dev qtaguid: iface_stat: create6(lo): no inet dev IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready qtaguid: iface_stat: create6(lo): no inet dev device lo left promiscuous mode binder: 9596:9599 BC_FREE_BUFFER u0000000020000000 matched unreturned buffer binder: 9596:9598 ioctl 80104592 207ba000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 9596:9598 ioctl 40046207 0 returned -16 binder: 9596:9599 BC_FREE_BUFFER u0000000020000000 no match binder_alloc: 9596: binder_alloc_buf, no vma binder: 9596:9598 transaction failed 29189/-3, size 0-0 line 3127 binder: 9596:9598 ioctl 80104592 207ba000 returned -22 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE