syz-executor1: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 5446 Comm: syz-executor1 Not tainted 4.9.78-g68d447c #23 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/5454 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 ffff8801c5d7f880 ffffffff81d943a9 1ffff10038baff13 ffff8801c59c0000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801c5d7f990 ffffffff81451b82 024000c200000003 0000000041b58ab3 ffffffff84195325 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:2737 [] 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: 0 PID: 5454 Comm: syz-executor0 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b29776d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 ffffffff83f45480 ffff8801b28a0000 0000000000000003 ffff8801b2977718 ffffffff81dfb974[ 32.486679] Mem-Info: active_anon:54792 inactive_anon:42 isolated_anon:0 active_file:3524 inactive_file:8208 isolated_file:0 unevictable:0 dirty:6338 writeback:0 unstable:0 slab_reclaimable:6369 slab_unreclaimable:60145 mapped:24026 shmem:49 pagetables:639 bounce:0 free:1474020 free_pcp:391 free_cma:0 Node 0 active_anon:219168kB inactive_anon:168kB active_file:14096kB inactive_file:32832kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96104kB dirty:25352kB writeback:0kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 69632kB 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 0 2908 6410 6410DMA32 free:2980124kB min:30596kB low:38244kB high:45892kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2980760kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:636kB local_pcp:0kB free_cma:0kB 0 0 3501 3501Normal free:2900048kB min:36824kB low:46028kB high:55232kB active_anon:219168kB inactive_anon:168kB active_file:14096kB inactive_file:32832kB unevictable:0kB writepending:25352kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:25476kB slab_unreclaimable:240580kB kernel_stack:5856kB pagetables:2556kB bounce:0kB free_pcp:928kB local_pcp:480kB free_cma:0kB 0 0 0 0DMA: 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 11780 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 320509 pages reserved syz-executor1: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [] __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 [] entry_SYSCALL_64_fastpath+0x29/0xe8 CPU: 1 PID: 5459 Comm: syz-executor1 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b280f880 ffffffff81d943a9 1ffff10036501f13 ffff8801c558e000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801b280f990 ffffffff81451b82 024000c200000003 0000000041b58ab3 ffffffff84195325 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:2737 [] 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:51137 inactive_anon:42 isolated_anon:0 active_file:3524 inactive_file:8220 isolated_file:0 unevictable:0 dirty:6351 writeback:0 unstable:0 slab_reclaimable:6871 slab_unreclaimable:60881 mapped:24012 shmem:49 pagetables:639 bounce:0 free:1476499 free_pcp:471 free_cma:0 Node 0 active_anon:204548kB inactive_anon:168kB active_file:14096kB inactive_file:32880kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96048kB dirty:25404kB writeback:0kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 83968kB 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 lowmem_reserve[]: 0 2908 6410 6410 DMA32 free:2980124kB min:30596kB low:38244kB high:45892kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2980760kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:636kB local_pcp:636kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 Normal free:2903896kB min:36824kB low:46028kB high:55232kB active_anon:208956kB inactive_anon:168kB active_file:14096kB inactive_file:32904kB unevictable:0kB writepending:25428kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27532kB slab_unreclaimable:243456kB kernel_stack:5632kB pagetables:2604kB bounce:0kB free_pcp:800kB local_pcp:228kB free_cma:0kB lowmem_reserve[]: 0 0 0 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 DMA32: 3*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 4*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2980124kB Normal: 1399*4kB (UME) 566*8kB (UME) 286*16kB (UME) 62*32kB (UM) 17*64kB (UM) 9*128kB (M) 10*256kB (UME) 7*512kB (UME) 1*1024kB (M) 5*2048kB (UM) 702*4096kB (M) = 2911724kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11800 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 320509 pages reserved syz-executor4 uses obsolete (PF_INET,SOCK_PACKET) device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode audit: type=1401 audit(1517080022.364:24): op=fscreate invalid_context=AB386CD7F1D23B0E7314486494C8D560871ED875FA9F4BD1C737BBEF72516BB0515188578E35377114A5032BCA1FD79048BAF6FCEA050B306A2130F3EF3898E7A2C9319DB59FA5E20F9D38C3F33012C7C71EB9551427238F2BE00D61FE0D88D3762029B94B82FFD790B873D417A369EE0AE2541FE1292ACE2FE81B012DD99FE0C4F64E53CFEECAF728B2A6A1BBA7DF382C7F6CCB95E0EB387F9DCC34CE196C4749F95174566487114D2AEAAC6D220E4209BA8B4FC34696E5405949D5A6EAB09B1B5C82B9D3A4A71D8BB5A0F90F128EC34817D22AE2653EC323BEE642323E1766B34FA45F9CA42B3B42EE464668538DCD45E5D53E129CC210D72704D5D1702599E91C1B5570B9568BFF7DAD4F380DD314B7553CBCC79661E66420A02C32CE4EC4FAD5FE74766392CE7A9539E17771861BB684DD3FD48CE01AE5FAF3F5BB74A01F1C89B719D61419134F40D33291777E98753F69BB0B326BED4D579BB669337FBB15E9C0DB3BE3ECAC43C7AB574B695959253C9985D028E1AE2DBDC876E45798747D04CED0C284FC17D82735109657619A888E2DFBF5F1659CEBB208BB37EF60604AFCBF8026DF8581AE0F57D3F5920ACF9E467E0B28E9E780EBC5E2D45634CC56079A60E7320229B5DE5FF0 audit: type=1400 audit(1517080022.374:25): avc: denied { create } for pid=5569 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 syz-executor3: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 5619 Comm: syz-executor3 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c4e9f880 ffffffff81d943a9 1ffff100389d3f13 ffff8801c417e000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801c4e9f990 ffffffff81451b82 024000c200000003 0000000041b58ab3 ffffffff84195325 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 [] 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:2737 [] 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:54773 inactive_anon:42 isolated_anon:0 active_file:3532 inactive_file:8225 isolated_file:0 unevictable:0 dirty:57 writeback:4 unstable:0 slab_reclaimable:6918 slab_unreclaimable:60505 mapped:24024 shmem:49 pagetables:657 bounce:0 free:1473229 free_pcp:442 free_cma:0 Node 0 active_anon:225268kB inactive_anon:168kB active_file:14128kB inactive_file:32912kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96096kB dirty:220kB writeback:16kB shmem:196kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 90112kB 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 lowmem_reserve[]: 0 2908 6410 6410 DMA32 free:2980124kB min:30596kB low:38244kB high:45892kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2980760kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:636kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 Normal free:2905604kB min:36824kB low:46028kB high:55232kB active_anon:210800kB inactive_anon:168kB active_file:14128kB inactive_file:32912kB unevictable:0kB writepending:236kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27672kB slab_unreclaimable:242044kB kernel_stack:5344kB pagetables:2572kB bounce:0kB free_pcp:1188kB local_pcp:576kB free_cma:0kB lowmem_reserve[]: 0 0 0 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 DMA32: 3*4kB (M) 4*8kB (M) 5*16kB (M) 1*32kB (M) 4*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2980124kB Normal: 1333*4kB (UME) 597*8kB (UM) 277*16kB (UME) 58*32kB (UM) 35*64kB (UME) 10*128kB (UM) 9*256kB (UM) 7*512kB (UME) 1*1024kB (M) 2*2048kB (UM) 702*4096kB (M) = 2906316kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11809 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 320509 pages reserved binder: BINDER_SET_CONTEXT_MGR already set binder: 5657:5674 ioctl 40046207 0 returned -16 binder_alloc: 5657: binder_alloc_buf, no vma binder: 5657:5682 transaction failed 29189/-3, size 0-0 line 3127 binder: 5657:5699 BC_FREE_BUFFER u0000000020000000 no match binder: undelivered TRANSACTION_ERROR: 29189 binder: release 5657:5661 transaction 14 in, still active binder: send failed reply for transaction 14 to 5657:5682 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 audit: type=1400 audit(1517080023.344:26): avc: denied { write } for pid=5795 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 audit: type=1400 audit(1517080023.414:27): avc: denied { ioctl } for pid=5795 comm="syz-executor4" path="socket:[16298]" dev="sockfs" ino=16298 ioctlcmd=0x8904 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(1517080023.434:28): avc: denied { setopt } for pid=5795 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: 5849:5855 unknown command 0 binder: 5849:5855 ioctl c0306201 20016fd0 returned -22 binder: 5849:5855 unknown command 0 binder: 5849:5855 ioctl c0306201 20019000 returned -22 binder: 5849:5855 BC_CLEAR_DEATH_NOTIFICATION death notification not active binder: 5849:5863 unknown command 0 binder: 5849:5863 ioctl c0306201 20016fd0 returned -22 binder: 5849:5855 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 5849:5855 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 5868:5875 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 5868:5875 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. 9pnet_virtio: no channels available for device ./file0 audit: type=1400 audit(1517080024.664:29): avc: denied { validate_trans } for pid=5971 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:security_t:s0 tclass=security permissive=1 IPVS: set_ctl: invalid protocol: 65286 0.0.0.0:60696 9pnet_virtio: no channels available for device H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 6073 Comm: syz-executor6 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d932f8c0 ffffffff81d943a9 ffff8801d932fba0 0000000000000000 ffff8801d0f6f010 ffff8801d932fa90 ffff8801d0f6ef00 ffff8801d932fab8 ffffffff81661d4a 0000000000001244 ffff8801c33508f0 ffff8801c33508a0 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 [] entry_SYSCALL_64_fastpath+0x29/0xe8 devpts: called with bogus options devpts: called with bogus options binder: 6224:6233 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 6224:6233 ERROR: BC_REGISTER_LOOPER called without request binder: 6224:6233 ERROR: BC_ENTER_LOOPER called after BC_REGISTER_LOOPER binder_alloc: binder_alloc_mmap_handler: 6327 2023d000-2063d000 already mapped failed -16 audit: type=1400 audit(1517080026.684:30): avc: denied { ioctl } for pid=6380 comm="syz-executor2" path="socket:[17678]" dev="sockfs" ino=17678 ioctlcmd=0x8924 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 netlink: 9 bytes leftover after parsing attributes in process `syz-executor3'. 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=53497 sclass=netlink_route_socket pig=6549 comm=syz-executor1 netlink: 9 bytes leftover after parsing attributes in process `syz-executor3'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=53497 sclass=netlink_route_socket pig=6540 comm=syz-executor1 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(1517080027.474:31): avc: denied { create } for pid=6571 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 device lo entered promiscuous mode audit: type=1400 audit(1517080028.574:32): avc: denied { write } for pid=6760 comm="syz-executor4" name="net" dev="proc" ino=17893 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1 audit: type=1400 audit(1517080028.614:33): avc: denied { add_name } for pid=6760 comm="syz-executor4" name="pfkey" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1 audit: type=1400 audit(1517080028.644:34): avc: denied { create } for pid=6760 comm="syz-executor4" name="pfkey" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:insmod_t:s0 tclass=file permissive=1 audit: type=1400 audit(1517080028.734:35): avc: denied { accept } for pid=6785 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 qtaguid: iface_stat: create6(lo): no inet dev netlink: 20 bytes leftover after parsing attributes in process `syz-executor5'. SELinux: Invalid class 85 netlink: 72 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 72 bytes leftover after parsing attributes in process `syz-executor4'.