BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor5/7551 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 7551 Comm: syz-executor5 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a557f6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801a6309800 0000000000000003 ffff8801a557f718 ffffffff81df7854 ffff8801a557f730 ffffffff83f42ec0 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:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] SYSC_sendmsg net/socket.c:2013 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2009 [] entry_SYSCALL_64_fastpath+0x23/0xc6 device gre0 entered promiscuous mode device gre0 left promiscuous mode binder: 7645:7646 ioctl 40046205 0 returned -22 binder: 7645:7646 ERROR: BC_REGISTER_LOOPER called without request binder: 7645:7646 got transaction to invalid handle binder: 7645:7646 transaction failed 29201/-22, size 0-8 line 3007 binder: 7645:7646 ioctl c0306201 20001fd0 returned -14 binder: 7645:7646 BC_FREE_BUFFER u0000000000000000 no match binder: 7645:7646 IncRefs 0 refcount change on invalid ref 1 ret -22 binder: 7645:7646 got transaction to invalid handle binder: 7645:7646 transaction failed 29201/-22, size 72-8 line 3007 device gre0 entered promiscuous mode device gre0 left promiscuous mode binder: release 7645:7646 transaction 43 in, still active binder: send failed reply for transaction 43 to 7645:7660 binder: 7645:7646 ioctl c0306201 20004000 returned -14 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: 7645:7646 ioctl 40046205 6 returned -22 binder: 7645:7660 ioctl 40046205 0 returned -22 binder: 7645:7660 ERROR: BC_REGISTER_LOOPER called without request binder: 7645:7660 ioctl c0306201 20008fd0 returned -11 binder: 7645:7660 transaction failed 29189/-22, size 0-0 line 3007 binder: 7645:7679 unknown command 0 binder: 7645:7679 ioctl c0306201 20002fd0 returned -22 binder: 7645:7660 ioctl c0306201 20001fd0 returned -14 binder: 7645:7646 BC_FREE_BUFFER u0000000000000000 no match binder: 7645:7646 IncRefs 0 refcount change on invalid ref 1 ret -22 binder: 7645:7646 got transaction to invalid handle binder: 7645:7646 transaction failed 29201/-22, size 72-8 line 3007 binder: undelivered TRANSACTION_ERROR: 29189 device gre0 entered promiscuous mode device syz7 entered promiscuous mode IPVS: set_ctl: invalid protocol: 31912 1.136.255.255:0 Pp}Q_# IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready binder: 8001:8008 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 8001:8008 BC_INCREFS_DONE u000000002011a000 no match binder: 8001:8008 got transaction with invalid parent offset or type binder: 8001:8008 transaction failed 29201/-22, size 32-24 line 3253 binder: 8001:8008 got transaction with unaligned buffers size, 58534 binder: 8001:8008 transaction failed 29201/-22, size 0-40 line 3175 binder: BINDER_SET_CONTEXT_MGR already set binder: 8001:8011 ioctl 40046207 0 returned -16 binder_alloc: binder_alloc_mmap_handler: 8001 2011a000-2051a000 already mapped failed -16 binder_alloc: 8001: binder_alloc_buf, no vma binder: 8001:8008 transaction failed 29189/-3, size 0-40 line 3130 binder: undelivered TRANSACTION_ERROR: 29201 qtaguid: iface_stat: create6(lo): no inet dev nla_parse: 16 callbacks suppressed netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. device lo left promiscuous mode netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. device gre0 entered promiscuous mode netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'. device lo entered promiscuous mode qtaguid: iface_stat: create(lo): no inet dev audit_printk_skb: 3 callbacks suppressed audit: type=1400 audit(1513075793.156:43): avc: denied { sys_ptrace } for pid=8085 comm="ps" capability=19 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 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 netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'. device gre0 entered promiscuous mode audit: type=1400 audit(1513075793.526:44): avc: denied { fsetid } for pid=8128 comm="syz-executor7" capability=4 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 tc_dump_action: action bad kind SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=8212 comm=syz-executor1 IPVS: Creating netns size=2536 id=12 netlink: 6 bytes leftover after parsing attributes in process `syz-executor3'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=8281 comm=syz-executor3 FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 8263 Comm: syz-executor7 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cda1f710 ffffffff81d90889 ffff8801cda1f9f0 0000000000000000 ffff8801a66aba90 ffff8801cda1f8e0 ffff8801a66ab980 ffff8801cda1f908 ffffffff8165e497 0000000000003af1 ffff8801cda108f0 ffff8801cda108a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 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:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SYSC_select fs/select.c:652 [inline] [] SyS_select+0x158/0x1e0 fs/select.c:634 [] entry_SYSCALL_64_fastpath+0x23/0xc6 audit: type=1400 audit(1513075794.666:45): avc: denied { add_name } for pid=8313 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(1513075794.666:46): avc: denied { create } for pid=8313 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 CPU: 0 PID: 8276 Comm: syz-executor7 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cb38f930 ffffffff81d90889 ffff8801cb38fc10 0000000000000000 ffff8801a66aba90 ffff8801cb38fb00 ffff8801a66ab980 ffff8801cb38fb28 ffffffff8165e497 0000000000003af1 ffff8801cf0ca0f0 ffff8801cf0ca0a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 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:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 audit: type=1400 audit(1513075795.146:47): avc: denied { connect } for pid=8358 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 device gre0 entered promiscuous mode device gre0 entered promiscuous mode IPVS: Creating netns size=2536 id=13 audit: type=1400 audit(1513075795.356:48): avc: denied { net_broadcast } for pid=8424 comm="syz-executor7" 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 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 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 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 device lo entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=8642 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=8642 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=8752 comm=syz-executor5 device lo entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=8752 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=8780 comm=syz-executor0 device lo left promiscuous mode SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=8792 comm=syz-executor0 device lo entered promiscuous mode device lo left promiscuous mode syz-executor4: vmalloc: allocation failure: 17177772032 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 8854 Comm: syz-executor4 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c983f880 ffffffff81d90889 1ffff10039307f13 ffff8801cb81b000 ffffffff83ab7dc0 0000000000000001 0000000000400000 ffff8801c983f990 ffffffff8144eb82 024000c200000003 0000000041b58ab3 ffffffff84191625 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:911 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2736 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1771 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1750 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Mem-Info: active_anon:92769 inactive_anon:43 isolated_anon:0 active_file:3686 inactive_file:7251 isolated_file:0 unevictable:0 dirty:95 writeback:0 unstable:0 slab_reclaimable:6692 slab_unreclaimable:57069 mapped:22916 shmem:114 pagetables:789 bounce:0 free:1439810 free_pcp:411 free_cma:0 Node 0 active_anon:366960kB inactive_anon:172kB active_file:14744kB inactive_file:29016kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:91664kB dirty:392kB writeback:0kB shmem:456kB 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 lowmem_reserve[]: 0 2910 6411 6411 DMA32 free:2981148kB min:30600kB low:38248kB high:45896kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2981844kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:696kB local_pcp:696kB free_cma:0kB netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. lowmem_reserve[]: 0 0 3501 3501 Normal free:2746364kB min:36816kB low:46020kB high:55224kB active_anon:379560kB inactive_anon:172kB active_file:14744kB inactive_file:29028kB unevictable:0kB writepending:408kB present:4718592kB managed:3585220kB mlocked:0kB slab_reclaimable:26800kB slab_unreclaimable:231016kB kernel_stack:6016kB pagetables:3348kB bounce:0kB free_pcp:780kB local_pcp:408kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB [ 64.769929] binder: 8915:8918 ioctl 40046205 0 returned -22 binder: 8915:8918 ERROR: BC_REGISTER_LOOPER called without request (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB [ 64.799022] binder: 8915:8918 got transaction to invalid handle binder: 8915:8918 transaction failed 29201/-22, size 0-8 line 3007 binder: 8915:8918 ioctl c0306201 20005fd0 returned -14 binder: release 8915:8918 transaction 56 in, still active binder: send failed reply for transaction 56 to 8915:8925 binder: undelivered TRANSACTION_ERROR: 29201 binder: 8915:8918 BC_FREE_BUFFER u0000000000000000 no match binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: 8915:8918 ioctl 40046205 6 returned -22 binder: 8915:8925 ioctl 40046205 0 returned -22 binder: 8915:8925 ERROR: BC_REGISTER_LOOPER called without request binder: 8915:8925 ioctl c0306201 20008fd0 returned -11 binder: 8915:8925 unknown command 0 binder: 8915:8925 ioctl c0306201 20002fd0 returned -22 binder: 8915:8918 BC_FREE_BUFFER u0000000000000000 no match binder: 8915:8918 IncRefs 0 refcount change on invalid ref 1 ret -22 binder: 8915:8918 got transaction to invalid handle binder: 8915:8918 transaction failed 29201/-22, size 72-8 line 3007 binder: 8915:8918 ioctl c0306201 20005fd0 returned -14 binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 59 to 8915:8918 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 (M) 3*4096kB (M) = 15908kB DMA32: 1*4kB (M) 3*8kB (M) 6*16kB (M) 3*32kB (M) 3*64kB (M) 3*128kB (M) 2*256kB (M) 2*512kB (M) 1*1024kB (M) 2*2048kB (M) 726*4096kB (M) = 2981148kB Normal: 808*4kB (UME) 496*8kB (UME) 354*16kB (UME) 665*32kB (UME) 1101*64kB (UM) 205*128kB (UME) 30*256kB (UME) 2*512kB (ME) 0*1024kB 2*2048kB (UM) 650*4096kB (M) = 2806048kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11058 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 320236 pages reserved netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. 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 netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 8988 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d57379a0 ffffffff81d90889 ffff8801d5737c80 0000000000000000 ffff8801ce46c890 ffff8801d5737b70 ffff8801ce46c780 ffff8801d5737b98 ffffffff8165e497 0000000000003af1 ffff8801c357d0f0 ffff8801c357d0a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 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:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 8975 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a45478f0 ffffffff81d90889 ffff8801a4547bd0 0000000000000000 ffff8801ce46c890 ffff8801a4547ac0 ffff8801ce46c780 ffff8801a4547ae8 ffffffff8165e497 0000000000003af1 ffff8801d981e8f0 ffff8801d981e8a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 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:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 9002 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c315f9a0 ffffffff81d90889 ffff8801c315fc80 0000000000000000 ffff8801a66aad10 ffff8801c315fb70 ffff8801a66aac00 ffff8801c315fb98 ffffffff8165e497 0000000000003af1 ffff8801a3cd88f0 ffff8801a3cd88a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 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:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 8994 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d8fdf8f0 ffffffff81d90889 ffff8801d8fdfbd0 0000000000000000 ffff8801a66aad10 ffff8801d8fdfac0 ffff8801a66aac00 ffff8801d8fdfae8 ffffffff8165e497 0000000000003af1 ffff8801c35788f0 ffff8801c35788a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 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:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 8968 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cef678a0 ffffffff81d90889 ffff8801cef67b80 0000000000000000 ffff8801a66aad10 ffff8801cef67a70 ffff8801a66aac00 ffff8801cef67a98 ffffffff8165e497 0000000000003af1 ffff8801d563a0f0 ffff8801d563a0a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 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:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 binder: 9068:9072 not enough space to store 0 fds in buffer binder: 9068:9072 transaction failed 29201/-22, size 72-32 line 3272 binder_alloc: binder_alloc_mmap_handler: 9068 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 9068:9072 ioctl 40046207 0 returned -16 binder_alloc: 9068: binder_alloc_buf, no vma binder: 9068:9084 transaction failed 29189/-3, size 72-32 line 3130 device gre0 entered promiscuous mode device lo entered promiscuous mode sg_write: data in/out 978914142/2 bytes for SCSI command 0x57-- guessing data in; program syz-executor5 not setting count and/or reply_len properly binder: 9181:9182 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 9162:9173 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 9162:9173 BC_INCREFS_DONE u000000002011a000 no match binder: 9162:9173 got transaction with invalid parent offset or type binder: 9162:9173 transaction failed 29201/-22, size 32-24 line 3253 binder: 9162:9173 got transaction with unaligned buffers size, 58534 binder: 9162:9173 transaction failed 29201/-22, size 0-40 line 3175 binder_alloc: binder_alloc_mmap_handler: 9162 2011a000-2051a000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 9162:9173 ioctl 40046207 0 returned -16 binder: 9162:9184 unknown command 0 binder: 9162:9184 ioctl c0306201 20004000 returned -22 binder_alloc: 9162: binder_alloc_buf, no vma binder: 9162:9184 transaction failed 29189/-3, size 0-40 line 3130 binder: undelivered TRANSACTION_ERROR: 29201 binder: 9181:9202 got transaction with unaligned buffers size, 58534 binder: 9181:9202 transaction failed 29201/-22, size 0-40 line 3175 binder: 9181:9182 BC_INCREFS_DONE u000000002011a000 no match binder: 9181:9182 got transaction with invalid offset (0, min 0 max 32) or object. binder: 9181:9182 transaction failed 29201/-22, size 32-24 line 3193 binder: BINDER_SET_CONTEXT_MGR already set binder: 9181:9202 ioctl 40046207 0 returned -16 binder: 9181:9182 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 9181:9182 BC_INCREFS_DONE u000000002011a000 no match binder_alloc: 9181: binder_alloc_buf, no vma binder: 9181:9202 ioctl c0306201 2000f000 returned -14 IPVS: Creating netns size=2536 id=14 binder_alloc: 9181: binder_alloc_buf, no vma binder: 9181:9217 transaction failed 29189/-3, size 0-40 line 3130 binder: 9181:9182 transaction failed 29189/-3, size 32-24 line 3130 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 audit: type=1400 audit(1513075800.276:49): avc: denied { setpcap } for pid=9248 comm="syz-executor2" capability=8 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=15 binder: 9277:9278 ioctl 40046205 0 returned -22 binder: 9277:9278 ERROR: BC_REGISTER_LOOPER called without request binder: 9277:9287 got transaction to invalid handle binder: 9277:9287 transaction failed 29201/-22, size 0-8 line 3007 binder: 9277:9287 got reply transaction with no transaction stack binder: 9277:9287 transaction failed 29201/-71, size 24-8 line 2923 binder: 9277:9287 ioctl c0306201 20005fd0 returned -14 9pnet_virtio: no channels available for device HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH binder: undelivered TRANSACTION_ERROR: 29201 binder: 9277:9287 BC_FREE_BUFFER u0000000000000000 no match binder: 9277:9278 ioctl 40046205 6 returned -22 binder: 9277:9296 ioctl 40046205 0 returned -22 9pnet_virtio: no channels available for device HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH binder: 9277:9287 ERROR: BC_REGISTER_LOOPER called without request binder: 9277:9278 ioctl c0306201 20007000 returned -11 binder: 9277:9287 got transaction to invalid handle binder: 9277:9287 transaction failed 29201/-22, size 0-8 line 3007 binder: 9277:9287 got reply transaction with no transaction stack binder: 9277:9287 transaction failed 29201/-71, size 24-8 line 2923 binder: 9277:9278 BC_FREE_BUFFER u0000000000000000 no match binder: 9277:9278 IncRefs 0 refcount change on invalid ref 1 ret -22 binder: 9277:9278 got transaction to invalid handle binder: 9277:9278 transaction failed 29201/-22, size 72-8 line 3007 binder: 9277:9278 ioctl c0306201 20005fd0 returned -14 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201