BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor5/10411 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 vmalloc: allocation failure: 15157949456 bytes syz-executor4: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 10409 Comm: syz-executor4 Not tainted 4.4.114-gfe09418 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 bba446934655c68d ffff8800b75b7880 ffffffff81d02e6d 1ffff10016eb6f13 ffff8801d7dbc740 00000000024000c2 0000000000000000 0000000000000001 ffff8800b75b7990 ffffffff81430709 ffffffff838ac420 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] warn_alloc_failed+0x1d9/0x240 mm/page_alloc.c:2757 [] __vmalloc_node_range+0x41d/0x630 mm/vmalloc.c:1692 [] __vmalloc_node mm/vmalloc.c:1715 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1729 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1744 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:721 [] translate_table+0x2da/0x1d50 net/ipv4/netfilter/arp_tables.c:651 [] do_replace net/ipv4/netfilter/arp_tables.c:1112 [inline] [] do_arpt_set_ctl+0x29e/0x640 net/ipv4/netfilter/arp_tables.c:1616 [] 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:1226 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2635 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2659 [] SYSC_setsockopt net/socket.c:1767 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1746 [] entry_SYSCALL_64_fastpath+0x1c/0x98 Mem-Info: active_anon:56485 inactive_anon:42 isolated_anon:0 active_file:3673 inactive_file:8441 isolated_file:0 unevictable:0 dirty:71 writeback:0 unstable:0 slab_reclaimable:6049 slab_unreclaimable:59553 mapped:24049 shmem:52 pagetables:724 bounce:0 free:1469212 free_pcp:496 free_cma:0 DMA free:15904kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15904kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes lowmem_reserve[]: 0 2911 6411 6411 DMA32 free:2685964kB min:30608kB low:38260kB high:45912kB active_anon:92700kB inactive_anon:100kB active_file:6908kB inactive_file:14100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129292kB managed:2982736kB mlocked:0kB dirty:272kB writeback:0kB mapped:38844kB shmem:104kB slab_reclaimable:11268kB slab_unreclaimable:107396kB kernel_stack:1888kB pagetables:1488kB unstable:0kB bounce:0kB free_pcp:808kB local_pcp:176kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 3500 3500 Normal free:3174980kB min:36808kB low:46008kB high:55212kB active_anon:133240kB inactive_anon:68kB active_file:7784kB inactive_file:19664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3584660kB mlocked:0kB dirty:12kB writeback:0kB mapped:57352kB shmem:104kB slab_reclaimable:12928kB slab_unreclaimable:130816kB kernel_stack:4096kB pagetables:1408kB unstable:0kB bounce:0kB free_pcp:1176kB local_pcp:568kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 0*4kB 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) = 15904kB DMA32: 429*4kB (UME) 168*8kB (UME) 196*16kB (UME) 144*32kB (UM) 62*64kB (UME) 63*128kB (UM) 43*256kB (UME) 46*512kB (UME) 43*1024kB (M) 1*2048kB (U) 631*4096kB (M) = 2688052kB Normal: 415*4kB (ME) 237*8kB (ME) 173*16kB (ME) 129*32kB (UME) 76*64kB (UME) 55*128kB (UM) 57*256kB (UME) 45*512kB (UME) 44*1024kB (UM) 4*2048kB (UME) 748*4096kB (M) = 3177044kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12165 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 320144 pages reserved vmalloc: allocation failure: 15157949456 bytes syz-executor4: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 10409 Comm: syz-executor4 Not tainted 4.4.114-gfe09418 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 bba446934655c68d ffff8800b75b7880 ffffffff81d02e6d 1ffff10016eb6f13 ffff8801d7dbc740 00000000024000c2 0000000000000000 0000000000000001 ffff8800b75b7990 ffffffff81430709 ffffffff838ac420 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] warn_alloc_failed+0x1d9/0x240 mm/page_alloc.c:2757 [] __vmalloc_node_range+0x41d/0x630 mm/vmalloc.c:1692 [] __vmalloc_node mm/vmalloc.c:1715 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1729 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1744 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:721 [] translate_table+0x2da/0x1d50 net/ipv4/netfilter/arp_tables.c:651 [] do_replace net/ipv4/netfilter/arp_tables.c:1112 [inline] [] do_arpt_set_ctl+0x29e/0x640 net/ipv4/netfilter/arp_tables.c:1616 [] 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:1226 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2635 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2659 [] SYSC_setsockopt net/socket.c:1767 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1746 [] entry_SYSCALL_64_fastpath+0x1c/0x98 Mem-Info: active_anon:57512 inactive_anon:42 isolated_anon:0 active_file:3673 inactive_file:8441 isolated_file:0 unevictable:0 dirty:71 writeback:0 unstable:0 slab_reclaimable:6049 slab_unreclaimable:59579 mapped:24049 shmem:52 pagetables:724 bounce:0 free:1468761 free_pcp:412 free_cma:0 DMA free:15904kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15904kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes lowmem_reserve[]: 0 2911 6411 6411 DMA32 free:2683728kB min:30608kB low:38260kB high:45912kB active_anon:96752kB inactive_anon:100kB active_file:6908kB inactive_file:14100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129292kB managed:2982736kB mlocked:0kB dirty:272kB writeback:0kB mapped:38844kB shmem:104kB slab_reclaimable:11268kB slab_unreclaimable:107396kB kernel_stack:1888kB pagetables:1488kB unstable:0kB bounce:0kB free_pcp:972kB local_pcp:340kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 3500 3500 Normal free:3175412kB min:36808kB low:46008kB high:55212kB active_anon:133296kB inactive_anon:68kB active_file:7784kB inactive_file:19664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3584660kB mlocked:0kB dirty:12kB writeback:0kB mapped:57352kB shmem:104kB slab_reclaimable:12928kB slab_unreclaimable:130920kB kernel_stack:4096kB pagetables:1408kB unstable:0kB bounce:0kB free_pcp:676kB local_pcp:68kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 0*4kB 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) = 15904kB DMA32: 428*4kB (ME) 167*8kB (ME) 189*16kB (UME) 142*32kB (UM) 62*64kB (UME) 63*128kB (UM) 43*256kB (UME) 46*512kB (UME) 43*1024kB (M) 1*2048kB (U) 630*4096kB (M) = 2683768kB Normal: 397*4kB (UME) 236*8kB (ME) 171*16kB (UME) 128*32kB (UME) 77*64kB (UME) 55*128kB (UM) 57*256kB (UME) 44*512kB (UME) 43*1024kB (UM) 4*2048kB (UME) 748*4096kB (M) = 3175428kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12165 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 320144 pages reserved CPU: 1 PID: 10411 Comm: syz-executor5 Not tainted 4.4.114-gfe09418 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 f11dd636e267609e ffff8800aee17800 ffffffff81d02e6d 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8800bbbf8000 0000000000000003 ffff8800aee17840 ffffffff81d62db4 ffffffff810002b8 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] ? 0xffffffff810002b8 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278 [] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485 [] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531 [] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134 [] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] SYSC_sendto+0x2c8/0x340 net/socket.c:1665 [] SyS_sendto+0x40/0x50 net/socket.c:1633 [] entry_SYSCALL_64_fastpath+0x1c/0x98 TCP: request_sock_TCPv6: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. audit: type=1400 audit(1517470354.711:39): avc: denied { create } for pid=10576 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(1517470354.771:40): avc: denied { write } for pid=10576 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 TCP: request_sock_TCPv6: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket audit: type=1326 audit(1517470356.631:41): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11051 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 audit: type=1400 audit(1517470356.691:42): avc: denied { create } for pid=11071 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_netfilter_socket permissive=1 audit: type=1326 audit(1517470356.751:43): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11051 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 audit: type=1400 audit(1517470356.911:44): avc: denied { set_context_mgr } for pid=11099 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: 11099:11112 got reply transaction with no transaction stack binder: 11099:11112 transaction failed 29201/-71, size 64-8 line 2921 binder: BINDER_SET_CONTEXT_MGR already set binder: 11099:11112 ioctl 40046207 0 returned -16 binder: 11099:11112 got reply transaction with no transaction stack binder: 11099:11112 transaction failed 29201/-71, size 64-8 line 2921 binder: 11150:11155 ioctl 40046205 fa returned -22 binder: 11150:11155 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: 11150:11155 BC_DEAD_BINDER_DONE 0000000000000004 not found netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. binder: 11150:11155 BC_REQUEST_DEATH_NOTIFICATION invalid ref 2 netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. binder: BINDER_SET_CONTEXT_MGR already set binder: 11150:11155 unknown command 0 binder: 11150:11182 ioctl 40046207 0 returned -16 binder: 11150:11194 ioctl 40046205 fa returned -22 netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. binder: 11150:11155 ioctl c0306201 20a48000 returned -22 binder: 11150:11177 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: 11150:11155 BC_DEAD_BINDER_DONE 0000000000000004 not found binder: 11150:11155 BC_REQUEST_DEATH_NOTIFICATION invalid ref 2 binder: 11150:11155 BC_CLEAR_DEATH_NOTIFICATION invalid ref 1 netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. device syz2 entered promiscuous mode device syz2 left promiscuous mode SELinux: policydb version -768637669 does not match my version range 15-30 SELinux: policydb version -768637669 does not match my version range 15-30 audit: type=1400 audit(1517470358.391:45): avc: denied { create } for pid=11410 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_scsitransport_socket permissive=1 TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20009. Sending cookies. Check SNMP counters. FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 11486 Comm: syz-executor0 Not tainted 4.4.114-gfe09418 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 4f738f4bed0067fe ffff8801cdaff7d0 ffffffff81d02e6d ffff8801d86a4a80 1ffff10039b5ff07 ffff8801cdaff958 0000000000000000 0000000000000000 ffff8801cdaff980 ffffffff81606425 ffffffff81236920 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] handle_userfault+0x715/0xf50 fs/userfaultfd.c:316 [] do_anonymous_page mm/memory.c:2731 [inline] [] handle_pte_fault mm/memory.c:3295 [inline] [] __handle_mm_fault mm/memory.c:3426 [inline] [] handle_mm_fault+0x2938/0x3190 mm/memory.c:3455 [] __do_page_fault+0x35b/0xa00 arch/x86/mm/fault.c:1245 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1308 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1033 [] SYSC_select fs/select.c:648 [inline] [] SyS_select+0x14a/0x1d0 fs/select.c:630 [] entry_SYSCALL_64_fastpath+0x1c/0x98 binder: 11553:11558 BC_REQUEST_DEATH_NOTIFICATION death notification already set binder: BINDER_SET_CONTEXT_MGR already set binder: 11553:11558 ioctl 40046207 0 returned -16 binder: 11553:11575 BC_REQUEST_DEATH_NOTIFICATION death notification already set TCP: request_sock_TCP: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. TCP: request_sock_TCPv6: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. SELinux: policydb version -768637669 does not match my version range 15-30 TCP: request_sock_TCPv6: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. audit: type=1400 audit(1517470361.381:46): avc: denied { create } for pid=12023 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_fib_lookup_socket permissive=1 sock: process `syz-executor1' is using obsolete getsockopt SO_BSDCOMPAT audit: type=1400 audit(1517470361.461:47): avc: denied { write } for pid=12023 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_fib_lookup_socket permissive=1 audit: type=1400 audit(1517470362.121:48): avc: denied { getattr } for pid=12202 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 binder: 12204:12215 ioctl 80084503 208e8000 returned -22 binder: 12204:12215 ioctl 400445a0 20bceffc returned -22 audit: type=1400 audit(1517470362.161:49): avc: denied { setopt } for pid=12202 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 audit: type=1400 audit(1517470362.171:50): avc: denied { getopt } for pid=12202 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