devpts: called with bogus options syz-executor3: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 10549 Comm: syz-executor3 Not tainted 4.9.78-g7be1985 #24 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor4/10556 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 ffff8801b03ef880 ffffffff81d94409 1ffff1003607df13 ffff8801ae9b6000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801b03ef990 ffffffff81451bd2 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 CPU: 0 PID: 10556 Comm: syz-executor4 Not tainted 4.9.78-g7be1985 #24 Mem-Info: active_anon:56317 inactive_anon:39 isolated_anon:0 active_file:3581 inactive_file:8237 isolated_file:0 unevictable:0 dirty:55 writeback:0 unstable:0 slab_reclaimable:5582 slab_unreclaimable:60402 mapped:24179 shmem:48 pagetables:683 bounce:0 free:1472138 free_pcp:490 free_cma:0 Node 0 active_anon:225268kB inactive_anon:156kB active_file:14324kB inactive_file:32948kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96716kB dirty:220kB writeback:0kB shmem:192kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB 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:2980084kB 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:636kB local_pcp:0kB free_cma:0kB Normal free:2892560kB min:36824kB low:46028kB high:55232kB active_anon:225268kB inactive_anon:156kB active_file:14324kB inactive_file:32948kB unevictable:0kB writepending:220kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:22328kB slab_unreclaimable:241608kB kernel_stack:6048kB pagetables:2732kB bounce:0kB free_pcp:1324kB local_pcp:664kB 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 11865 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-executor3: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b0127478 ffffffff81d94409 0000000000000000 ffffffff83c18800 ffffffff83f45480 ffff8801d7ec8000 0000000000000003 ffff8801b01274b8 ffffffff81dfb9d4 ffff8801b01274d0 ffffffff83f45480 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 CPU: 1 PID: 10549 Comm: syz-executor3 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b03ef880 ffffffff81d94409 1ffff1003607df13 ffff8801ae9b6000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801b03ef990 ffffffff81451bd2 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:55634 inactive_anon:39 isolated_anon:0 active_file:3581 inactive_file:8248 isolated_file:0 unevictable:0 dirty:74 writeback:0 unstable:0 slab_reclaimable:5585 slab_unreclaimable:60354 mapped:24144 shmem:48 pagetables:623 bounce:0 free:1473213 free_pcp:436 free_cma:0 Node 0 active_anon:222536kB inactive_anon:156kB active_file:14324kB inactive_file:32992kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96576kB dirty:296kB writeback:0kB shmem:192kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 86016kB 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:2980084kB 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:636kB local_pcp:0kB free_cma:0kB Normal free:2896860kB min:36824kB low:46028kB high:55232kB active_anon:222536kB inactive_anon:156kB active_file:14324kB inactive_file:32992kB unevictable:0kB writepending:296kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:22340kB slab_unreclaimable:241416kB kernel_stack:5696kB pagetables:2492kB bounce:0kB free_pcp:1108kB local_pcp:564kB 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 11876 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 tmpfs: No value for mount option '·ô}×ÛÎ.«¯{·ÊÎrÊSt-%¨¤£ê½r&íÉ„lAÃ)ò謷Ä`_%ëÏ7Å·/âœ-Á€‚;M{ô¥½uûh1bÀ‡”JÚ?É©' tmpfs: No value for mount option '·ô}×ÛÎ.«¯{·ÊÎrÊSt-%¨¤£ê½r&íÉ„lAÃ)ò謷Ä`_%ëÏ7Å·/âœ-Á€‚;M{ô¥½uûh1bÀ‡”JÚ?É©' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=35351 sclass=netlink_route_socket pig=10887 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=35351 sclass=netlink_route_socket pig=10909 comm=syz-executor4 Empty option to dns_resolver key SELinux: unrecognized netlink message: protocol=6 nlmsg_type=40883 sclass=netlink_xfrm_socket pig=10931 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=40883 sclass=netlink_xfrm_socket pig=10939 comm=syz-executor2 Empty option to dns_resolver key syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 10950 Comm: syz-executor2 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d04cf938 ffffffff81d94409 1ffff1003a099f2a ffff8801d0290000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801d04cfa48 ffffffff81451bd2 024000c2d04cf988 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 [] sel_write_load+0x130/0xfd0 security/selinux/selinuxfs.c:514 [] __vfs_write+0x103/0x680 fs/read_write.c:510 [] vfs_write+0x189/0x530 fs/read_write.c:560 [] SYSC_write fs/read_write.c:607 [inline] [] SyS_write+0xd9/0x1b0 fs/read_write.c:599 [] entry_SYSCALL_64_fastpath+0x29/0xe8 Mem-Info: active_anon:64031 inactive_anon:41 isolated_anon:0 active_file:3581 inactive_file:8256 isolated_file:0 unevictable:0 dirty:108 writeback:0 unstable:0 slab_reclaimable:5579 slab_unreclaimable:60383 mapped:24174 shmem:48 pagetables:729 bounce:0 free:1464049 free_pcp:335 free_cma:0 Node 0 active_anon:256124kB inactive_anon:164kB active_file:14324kB inactive_file:33024kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96696kB dirty:432kB writeback:0kB shmem:192kB 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 DMA32 free:2980084kB 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:636kB local_pcp:0kB free_cma:0kB Normal free:2860204kB min:36824kB low:46028kB high:55232kB active_anon:256124kB inactive_anon:164kB active_file:14324kB inactive_file:33024kB unevictable:0kB writepending:432kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:22316kB slab_unreclaimable:241532kB kernel_stack:6112kB pagetables:2916kB bounce:0kB free_pcp:700kB local_pcp:552kB 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 11884 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: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 10950 Comm: syz-executor2 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d04cf938 ffffffff81d94409 1ffff1003a099f2a ffff8801d0290000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801d04cfa48 ffffffff81451bd2 024000c2d04cf988 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 [] sel_write_load+0x130/0xfd0 security/selinux/selinuxfs.c:514 [] __vfs_write+0x103/0x680 fs/read_write.c:510 [] vfs_write+0x189/0x530 fs/read_write.c:560 [] SYSC_write fs/read_write.c:607 [inline] [] SyS_write+0xd9/0x1b0 fs/read_write.c:599 [] entry_SYSCALL_64_fastpath+0x29/0xe8 Mem-Info: active_anon:64025 inactive_anon:41 isolated_anon:0 active_file:3581 inactive_file:8256 isolated_file:0 unevictable:0 dirty:109 writeback:0 unstable:0 slab_reclaimable:5579 slab_unreclaimable:60327 mapped:24175 shmem:48 pagetables:710 bounce:0 free:1464601 free_pcp:326 free_cma:0 Node 0 active_anon:256100kB inactive_anon:164kB active_file:14324kB inactive_file:33024kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96700kB dirty:436kB writeback:0kB shmem:192kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB 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:2980084kB 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:636kB local_pcp:0kB free_cma:0kB Normal free:2862412kB min:36824kB low:46028kB high:55232kB active_anon:256100kB inactive_anon:164kB active_file:14324kB inactive_file:33024kB unevictable:0kB writepending:436kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:22316kB slab_unreclaimable:241308kB kernel_stack:6208kB pagetables:2840kB bounce:0kB free_pcp:668kB local_pcp:592kB 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 11884 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. IPv6: NLM_F_REPLACE set, but no existing node found! netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. IPv6: NLM_F_REPLACE set, but no existing node found! binder: 11159:11174 ERROR: BC_REGISTER_LOOPER called without request binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: invalid inc weak node for 73 binder: 11159:11174 IncRefs 0 refcount change on invalid ref 1 ret -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 11159:11198 ERROR: BC_REGISTER_LOOPER called without request binder: 11159:11174 ioctl 40046207 0 returned -16 binder: 11159:11198 got reply transaction with no transaction stack binder_alloc: 11159: binder_alloc_buf, no vma binder: 11159:11174 transaction failed 29189/-3, size 0-0 line 3127 binder: 11159:11198 transaction failed 29201/-71, size 24-8 line 2920 binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 72, process died. binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: 11262:11273 BC_FREE_BUFFER u0000000000000000 no match binder_alloc: binder_alloc_mmap_handler: 11262 20000000-20002000 already mapped failed -16 binder: 11269:11285 got reply transaction with no transaction stack binder: 11269:11285 transaction failed 29201/-71, size 0-8 line 2920 binder: 11269:11285 ioctl 5204 2000dffc returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 11262:11273 ioctl 40046207 0 returned -16 binder_alloc: 11262: binder_alloc_buf, no vma binder: 11262:11289 transaction failed 29189/-3, size 0-0 line 3127 binder: 11269:11297 got reply transaction with no transaction stack binder: undelivered TRANSACTION_ERROR: 29189 binder: release 11262:11273 transaction 80 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 80, target dead binder: 11269:11297 transaction failed 29201/-71, size 0-8 line 2920 IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE IPv6: NLM_F_CREATE should be set when creating new route binder: release 11331:11339 transaction 85 in, still active binder: send failed reply for transaction 85 to 11331:11352 binder: BINDER_SET_CONTEXT_MGR already set binder: 11331:11339 ioctl 40046207 0 returned -16 binder_alloc: 11331: binder_alloc_buf, no vma binder: 11331:11359 transaction failed 29189/-3, size 0-0 line 3127 binder: 11331:11352 BC_FREE_BUFFER u0000000020dbd000 no match binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: BINDER_SET_CONTEXT_MGR already set binder: 11363:11367 ioctl 40046207 0 returned -16 binder_alloc: 11363: binder_alloc_buf, no vma binder: 11363:11383 transaction failed 29189/-3, size 0-0 line 3127 binder: 11363:11396 BC_FREE_BUFFER u0000000020000000 no match FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 11395 Comm: syz-executor4 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ce967940 ffffffff81d94409 ffff8801ce967c20 0000000000000000 ffff8801d7ff0d10 ffff8801ce967b10 ffff8801d7ff0c00 ffff8801ce967b38 ffffffff81661d9a 0000000000002e68 ffff8801ce5388f0 ffff8801ce5388a0 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 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: 11483:11489 ERROR: BC_REGISTER_LOOPER called without request ====================================================== binder_alloc: binder_alloc_mmap_handler: 11483 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 11483:11489 ioctl 40046207 0 returned -16 binder: 11483:11505 ERROR: BC_REGISTER_LOOPER called without request binder_alloc: 11483: binder_alloc_buf, no vma binder: 11483:11489 transaction failed 29189/-3, size 0-0 line 3127 [ INFO: possible circular locking dependency detected ] 4.9.78-g7be1985 #24 Not tainted ------------------------------------------------------- syz-executor7/11490 is trying to acquire lock: (&sb->s_type->i_mutex_key#10){++++++}, at: [] inode_lock include/linux/fs.h:746 [inline] (&sb->s_type->i_mutex_key#10){++++++}, at: [] shmem_file_llseek+0xef/0x240 mm/shmem.c:2403 but task is already holding lock: (ashmem_mutex){+.+.+.}, at: [] ashmem_llseek+0x56/0x1f0 drivers/staging/android/ashmem.c:343 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: lock_acquire+0x12e/0x410 kernel/locking/lockdep.c:3756 __mutex_lock_common kernel/locking/mutex.c:521 [inline] mutex_lock_nested+0xbb/0x870 kernel/locking/mutex.c:621 ashmem_mmap+0x53/0x400 drivers/staging/android/ashmem.c:379 mmap_region+0x7dd/0xfd0 mm/mmap.c:1694 do_mmap+0x57b/0xbe0 mm/mmap.c:1473 do_mmap_pgoff include/linux/mm.h:2019 [inline] vm_mmap_pgoff+0x16b/0x1b0 mm/util.c:305 SYSC_mmap_pgoff mm/mmap.c:1523 [inline] SyS_mmap_pgoff+0x33f/0x560 mm/mmap.c:1481 SYSC_mmap arch/x86/kernel/sys_x86_64.c:95 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:86 entry_SYSCALL_64_fastpath+0x29/0xe8 lock_acquire+0x12e/0x410 kernel/locking/lockdep.c:3756 __might_fault+0x14a/0x1d0 mm/memory.c:3994 copy_to_user arch/x86/include/asm/uaccess.h:718 [inline] filldir+0x1aa/0x340 fs/readdir.c:195 dir_emit_dot include/linux/fs.h:3203 [inline] dir_emit_dots include/linux/fs.h:3214 [inline] dcache_readdir+0x12d/0x5e0 fs/libfs.c:191 iterate_dir+0x4a6/0x5d0 fs/readdir.c:50 SYSC_getdents fs/readdir.c:230 [inline] SyS_getdents+0x14a/0x2a0 fs/readdir.c:211 entry_SYSCALL_64_fastpath+0x29/0xe8 check_prev_add kernel/locking/lockdep.c:1828 [inline] check_prevs_add kernel/locking/lockdep.c:1938 [inline] validate_chain kernel/locking/lockdep.c:2265 [inline] __lock_acquire+0x2bf9/0x3640 kernel/locking/lockdep.c:3345 lock_acquire+0x12e/0x410 kernel/locking/lockdep.c:3756 down_write+0x41/0xa0 kernel/locking/rwsem.c:52 inode_lock include/linux/fs.h:746 [inline] shmem_file_llseek+0xef/0x240 mm/shmem.c:2403 vfs_llseek+0xa2/0xd0 fs/read_write.c:301 ashmem_llseek+0xe7/0x1f0 drivers/staging/android/ashmem.c:355 vfs_llseek fs/read_write.c:301 [inline] SYSC_lseek fs/read_write.c:314 [inline] SyS_lseek+0xeb/0x170 fs/read_write.c:305 entry_SYSCALL_64_fastpath+0x29/0xe8 other info that might help us debug this: Chain exists of: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(ashmem_mutex); lock(&mm->mmap_sem); lock(ashmem_mutex); lock(&sb->s_type->i_mutex_key#10); *** DEADLOCK *** 1 lock held by syz-executor7/11490: #0: (ashmem_mutex){+.+.+.}, at: [] ashmem_llseek+0x56/0x1f0 drivers/staging/android/ashmem.c:343 stack backtrace: CPU: 1 PID: 11490 Comm: syz-executor7 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd40fb98 ffffffff81d94409 ffffffff853a1c40 ffffffff853ab0c0 ffffffff853c1830 ffff8801cda6e8d8 ffff8801cda6e000 ffff8801cd40fbe0 ffffffff81238631 ffff8801cda6e8d8 00000000cda6e8b0 ffff8801cda6e8d8 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] print_circular_bug+0x271/0x310 kernel/locking/lockdep.c:1202 [] check_prev_add kernel/locking/lockdep.c:1828 [inline] [] check_prevs_add kernel/locking/lockdep.c:1938 [inline] [] validate_chain kernel/locking/lockdep.c:2265 [inline] [] __lock_acquire+0x2bf9/0x3640 kernel/locking/lockdep.c:3345 [] lock_acquire+0x12e/0x410 kernel/locking/lockdep.c:3756 [] down_write+0x41/0xa0 kernel/locking/rwsem.c:52 [] inode_lock include/linux/fs.h:746 [inline] [] shmem_file_llseek+0xef/0x240 mm/shmem.c:2403 [] vfs_llseek+0xa2/0xd0 fs/read_write.c:301 [] ashmem_llseek+0xe7/0x1f0 drivers/staging/android/ashmem.c:355 [] vfs_llseek fs/read_write.c:301 [inline] [] SYSC_lseek fs/read_write.c:314 [inline] [] SyS_lseek+0xeb/0x170 fs/read_write.c:305 [] entry_SYSCALL_64_fastpath+0x29/0xe8 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 91, process died. FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 11506 Comm: syz-executor2 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd847990 ffffffff81d94409 ffff8801cd847c70 0000000000000000 ffff8801be9b1d90 ffff8801cd847b60 ffff8801be9b1c80 ffff8801cd847b88 ffffffff81661d9a 0000000000000000 ffff8801cd847ae0 00000001c16d2067 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 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 11493 Comm: syz-executor2 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b7ba7890 ffffffff81d94409 ffff8801b7ba7b70 0000000000000000 ffff8801be9b1d90 ffff8801b7ba7a60 ffff8801be9b1c80 ffff8801b7ba7a88 ffffffff81661d9a 0000000000002e68 ffff8801b7ba79e0 00000001c16d2067 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 [] getname_flags+0x10e/0x580 fs/namei.c:148 [] getname+0x19/0x20 fs/namei.c:208 [] do_sys_open+0x21d/0x4c0 fs/open.c:1066 [] SYSC_openat fs/open.c:1099 [inline] [] SyS_openat+0x30/0x40 fs/open.c:1093 [] entry_SYSCALL_64_fastpath+0x29/0xe8 CPU: 1 PID: 11523 Comm: syz-executor2 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b7bd7940 ffffffff81d94409 ffff8801b7bd7c20 0000000000000000 ffff8801be9b1d90 ffff8801b7bd7b10 ffff8801be9b1c80 ffff8801b7bd7b38 ffffffff81661d9a 0000000000000000 ffff8801b7bd7a90 00000001c16d2067 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 audit: type=1400 audit(1517368192.063:43): avc: denied { write } for pid=11479 comm="syz-executor2" name="net" dev="proc" ino=20323 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(1517368192.063:44): avc: denied { add_name } for pid=11479 comm="syz-executor2" 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(1517368192.063:45): avc: denied { create } for pid=11479 comm="syz-executor2" 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 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 11506 Comm: syz-executor2 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd847990 ffffffff81d94409 ffff8801cd847c70 0000000000000000 ffff8801b69fc110 ffff8801cd847b60 ffff8801b69fc000 ffff8801cd847b88 ffffffff81661d9a ffffffff810edc40 ffff8801cd847ae0 00000001cfa3a067 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 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 11493 Comm: syz-executor2 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b7ba7890 ffffffff81d94409 ffff8801b7ba7b70 0000000000000000 ffff8801b69fc110 ffff8801b7ba7a60 ffff8801b69fc000 ffff8801b7ba7a88 ffffffff81661d9a ffff8801cea5c540 ffff8801b7ba79e0 00000001cfa3a067 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 [] getname_flags+0x10e/0x580 fs/namei.c:148 [] getname+0x19/0x20 fs/namei.c:208 [] do_sys_open+0x21d/0x4c0 fs/open.c:1066 [] SYSC_openat fs/open.c:1099 [inline] [] SyS_openat+0x30/0x40 fs/open.c:1093 [] entry_SYSCALL_64_fastpath+0x29/0xe8 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 11523 Comm: syz-executor2 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b7bd7940 ffffffff81d94409 ffff8801b7bd7c20 0000000000000000 ffff8801b69fc110 ffff8801b7bd7b10 ffff8801b69fc000 ffff8801b7bd7b38 ffffffff81661d9a 1ffff10036f7af2f ffff8801b7bd7a90 00000001cfa3a067 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 binder: 11697:11709 ERROR: BC_REGISTER_LOOPER called without request binder: 11697:11709 ioctl c0306201 20008fd0 returned -11 binder: 11697:11709 ERROR: BC_REGISTER_LOOPER called without request cgroup: cgroup2: unknown option "" cgroup: cgroup2: unknown option "" netlink: 9 bytes leftover after parsing attributes in process `syz-executor0'. 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 `syz-executor0'. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. syz-executor4: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 12095 Comm: syz-executor4 Not tainted 4.9.78-g7be1985 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ccbdf880 ffffffff81d94409 1ffff1003997bf13 ffff8801bec3e000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801ccbdf990 ffffffff81451bd2 024000c22ff0eadd 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:61426 inactive_anon:39 isolated_anon:0 active_file:3591 inactive_file:8324 isolated_file:0 unevictable:0 dirty:77 writeback:0 unstable:0 slab_reclaimable:5555 slab_unreclaimable:60486 mapped:24132 shmem:46 pagetables:691 bounce:0 free:1467359 free_pcp:392 free_cma:0 Node 0 active_anon:243584kB inactive_anon:156kB active_file:14364kB inactive_file:33296kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96528kB dirty:308kB writeback:0kB shmem:184kB 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:2980084kB 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:636kB local_pcp:636kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 Normal free:2888772kB min:36824kB low:46028kB high:55232kB active_anon:231156kB inactive_anon:156kB active_file:14364kB inactive_file:33296kB unevictable:0kB writepending:308kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:22220kB slab_unreclaimable:241688kB kernel_stack:6048kB pagetables:2616kB bounce:0kB free_pcp:868kB local_pcp:660kB 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) 5*8kB (M) 4*16kB (M) 2*32kB (M) 3*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2980084kB Normal: 465*4kB (UME) 593*8kB (UME) 167*16kB (UME) 63*32kB (UME) 113*64kB (UME) 38*128kB (UME) 20*256kB (UME) 7*512kB (ME) 4*1024kB (UME) 4*2048kB (ME) 697*4096kB (M) = 2899292kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11960 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 binder: 12343:12344 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 12343:12344 unknown command 0 binder: 12343:12344 ioctl c0306201 2000a000 returned -22 binder: 12343:12361 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 12343:12361 unknown command 0 binder: 12343:12361 ioctl c0306201 2000a000 returned -22 TCP: request_sock_TCPv6: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters.