netlink: 'syz-executor5': attribute type 1 has an invalid length. ============================= WARNING: suspicious RCU usage 4.15.0+ #307 Not tainted ----------------------------- audit: type=1400 audit(1518304670.547:53): avc: denied { write } for pid=8251 comm="syz-executor6" name="net" dev="proc" ino=23521 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 ./include/linux/rcupdate.h:302 Illegal context switch in RCU read-side critical section! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor1/8263: #0: (rcu_read_lock){....}, at: [<000000007e00c61f>] __rds_conn_create+0xe46/0x1b50 net/rds/connection.c:218 stack backtrace: CPU: 0 PID: 8263 Comm: syz-executor1 Not tainted 4.15.0+ #307 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 audit: type=1400 audit(1518304670.547:54): avc: denied { add_name } for pid=8251 comm="syz-executor6" 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 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 audit: type=1400 audit(1518304670.551:55): avc: denied { create } for pid=8251 comm="syz-executor6" 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 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4592 rcu_preempt_sleep_check include/linux/rcupdate.h:301 [inline] ___might_sleep+0x385/0x470 kernel/sched/core.c:6093 __might_sleep+0x95/0x190 kernel/sched/core.c:6081 slab_pre_alloc_hook mm/slab.h:420 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc_trace+0x299/0x740 mm/slab.c:3605 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] rds_loop_conn_alloc+0xc8/0x380 net/rds/loop.c:126 __rds_conn_create+0x112f/0x1b50 net/rds/connection.c:227 rds_conn_create_outgoing+0x3f/0x50 net/rds/connection.c:309 rds_sendmsg+0xda3/0x2390 net/rds/send.c:1126 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 SYSC_sendto+0x361/0x5c0 net/socket.c:1747 SyS_sendto+0x40/0x50 net/socket.c:1715 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453a59 RSP: 002b:00007fe07a112c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fe07a1136d4 RCX: 0000000000453a59 RDX: 0000000000000000 RSI: 000000002056a000 RDI: 0000000000000013 RBP: 000000000071bea0 R08: 0000000020dfcff0 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004b9 R14: 00000000006f71f8 R15: 0000000000000000 BUG: sleeping function called from invalid context at mm/slab.h:420 in_atomic(): 1, irqs_disabled(): 0, pid: 8263, name: syz-executor1 1 lock held by syz-executor1/8263: #0: (rcu_read_lock){....}, at: [<000000007e00c61f>] __rds_conn_create+0xe46/0x1b50 net/rds/connection.c:218 CPU: 0 PID: 8263 Comm: syz-executor1 Not tainted 4.15.0+ #307 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 ___might_sleep+0x2b2/0x470 kernel/sched/core.c:6128 __might_sleep+0x95/0x190 kernel/sched/core.c:6081 slab_pre_alloc_hook mm/slab.h:420 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc_trace+0x299/0x740 mm/slab.c:3605 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] rds_loop_conn_alloc+0xc8/0x380 net/rds/loop.c:126 __rds_conn_create+0x112f/0x1b50 net/rds/connection.c:227 rds_conn_create_outgoing+0x3f/0x50 net/rds/connection.c:309 rds_sendmsg+0xda3/0x2390 net/rds/send.c:1126 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 SYSC_sendto+0x361/0x5c0 net/socket.c:1747 SyS_sendto+0x40/0x50 net/socket.c:1715 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453a59 RSP: 002b:00007fe07a112c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fe07a1136d4 RCX: 0000000000453a59 RDX: 0000000000000000 RSI: 000000002056a000 RDI: 0000000000000013 RBP: 000000000071bea0 R08: 0000000020dfcff0 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004b9 R14: 00000000006f71f8 R15: 0000000000000000 netlink: 'syz-executor5': attribute type 1 has an invalid length. syz-executor6 uses obsolete (PF_INET,SOCK_PACKET) sock: process `syz-executor0' is using obsolete setsockopt SO_BSDCOMPAT audit: type=1400 audit(1518304672.046:56): avc: denied { map } for pid=8404 comm="syz-executor3" path="/dev/snd/pcmC0D0c" dev="devtmpfs" ino=9131 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:sound_device_t:s0 tclass=chr_file permissive=1 audit: type=1400 audit(1518304672.700:57): avc: denied { setpcap } for pid=8470 comm="syz-executor7" 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 syz-executor3: vmalloc: allocation failure, allocated 2976112640 of 4294971392 bytes, mode:0x14010c0(GFP_KERNEL|__GFP_NORETRY), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 1 PID: 8498 Comm: syz-executor3 Tainted: G W 4.15.0+ #307 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3306 __vmalloc_area_node mm/vmalloc.c:1718 [inline] __vmalloc_node_range+0x482/0x650 mm/vmalloc.c:1759 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:428 kvmalloc include/linux/mm.h:541 [inline] xt_alloc_table_info+0x63/0xe0 net/netfilter/x_tables.c:1016 do_replace net/ipv4/netfilter/ip_tables.c:1130 [inline] do_ipt_set_ctl+0x29b/0x5f0 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0x97/0xa0 net/ipv4/ip_sockglue.c:1259 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453a59 RSP: 002b:00007f67e3f2cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f67e3f2d6d4 RCX: 0000000000453a59 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000071c010 R08: 00000000000003f8 R09: 0000000000000000 R10: 0000000020107be0 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004d5 R14: 00000000006f7498 R15: 0000000000000002 Mem-Info: active_anon:77769 inactive_anon:63 isolated_anon:0 active_file:3174 inactive_file:2393 isolated_file:32 unevictable:0 dirty:132 writeback:0 unstable:0 slab_reclaimable:10975 slab_unreclaimable:92986 mapped:21435 shmem:70 pagetables:674 bounce:0 free:28738 free_pcp:176 free_cma:0 Node 0 active_anon:311076kB inactive_anon:252kB active_file:12580kB inactive_file:8468kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:84540kB dirty:528kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 116736kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2868 6378 6378 Node 0 DMA32 free:44184kB min:30316kB low:37892kB high:45468kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2939944kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 3510 3510 Node 0 Normal free:43640kB min:37100kB low:46372kB high:55644kB active_anon:311028kB inactive_anon:252kB active_file:6512kB inactive_file:7040kB unevictable:0kB writepending:528kB present:4718592kB managed:3594328kB mlocked:0kB kernel_stack:3936kB pagetables:2696kB bounce:0kB free_pcp:740kB local_pcp:116kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 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 Node 0 DMA32: 7*4kB (ME) 6*8kB (UME) 3*16kB (M) 6*32kB (UME) 5*64kB (UME) 4*128kB (ME) 1*256kB (M) 4*512kB (UME) 4*1024kB (UM) 2*2048kB (ME) 8*4096kB (M) = 44412kB Node 0 Normal: 954*4kB (UM) 472*8kB (UMH) 236*16kB (UM) 65*32kB (UM) 115*64kB (UMH) 104*128kB (MH) 2*256kB (M) 2*512kB (UH) 7*1024kB (M) 0*2048kB 0*4096kB = 42824kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 3181 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 328424 pages reserved syz-executor3: vmalloc: allocation failure, allocated 2730668032 of 4294971392 bytes, mode:0x14010c0(GFP_KERNEL|__GFP_NORETRY), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 0 PID: 8475 Comm: syz-executor3 Tainted: G W 4.15.0+ #307 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3306 __vmalloc_area_node mm/vmalloc.c:1718 [inline] __vmalloc_node_range+0x482/0x650 mm/vmalloc.c:1759 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:428 kvmalloc include/linux/mm.h:541 [inline] xt_alloc_table_info+0x63/0xe0 net/netfilter/x_tables.c:1016 do_replace net/ipv4/netfilter/ip_tables.c:1130 [inline] do_ipt_set_ctl+0x29b/0x5f0 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0x97/0xa0 net/ipv4/ip_sockglue.c:1259 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x453a59 RSP: 002b:00007f67e3f6ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f67e3f6f6d4 RCX: 0000000000453a59 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000071bea0 R08: 00000000000003f8 R09: 0000000000000000 R10: 0000000020107be0 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004d5 R14: 00000000006f7498 R15: 0000000000000000 audit: type=1400 audit(1518304678.284:58): avc: denied { map } for pid=8553 comm="syz-executor0" path="/122/file0" dev="tmpfs" ino=25325 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:tmpfs_t:s0 tclass=dir permissive=1 xt_CT: netfilter: NOTRACK target is deprecated, use CT instead or upgrade iptables ====================================================== WARNING: possible circular locking dependency detected 4.15.0+ #307 Tainted: G W ------------------------------------------------------ syz-executor0/4212 is trying to acquire lock: (rtnl_mutex){+.+.}, at: [<00000000a7340b5f>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 but task is already holding lock: (&xt[i].mutex){+.+.}, at: [<00000000d982344c>] xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1046 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&xt[i].mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1046 xt_request_find_table_lock+0x28/0xc0 net/netfilter/x_tables.c:1093 get_info+0x154/0x690 net/ipv6/netfilter/ip6_tables.c:989 do_arpt_get_ctl+0x2a9/0xa00 net/ipv4/netfilter/arp_tables.c:1481 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x6a/0xc0 net/netfilter/nf_sockopt.c:122 ip_getsockopt+0x15c/0x220 net/ipv4/ip_sockglue.c:1571 tcp_getsockopt+0x82/0xd0 net/ipv4/tcp.c:3359 sock_common_getsockopt+0x95/0xd0 net/core/sock.c:2934 SYSC_getsockopt net/socket.c:1880 [inline] SyS_getsockopt+0x178/0x340 net/socket.c:1862 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b -> #1 (sk_lock-AF_INET){+.+.}: lock_sock_nested+0xc2/0x110 net/core/sock.c:2777 lock_sock include/net/sock.h:1463 [inline] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 ip_setsockopt+0x3a/0xa0 net/ipv4/ip_sockglue.c:1252 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b -> #0 (rtnl_mutex){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 unregister_netdevice_notifier+0x91/0x4e0 net/core/dev.c:1673 tee_tg_destroy+0x61/0xc0 net/netfilter/xt_TEE.c:123 cleanup_entry+0x242/0x380 net/ipv6/netfilter/ip6_tables.c:673 __do_replace+0x7ac/0xa70 net/ipv6/netfilter/ip6_tables.c:1108 do_replace net/ipv6/netfilter/ip6_tables.c:1164 [inline] do_ip6t_set_ctl+0x40f/0x5f0 net/ipv6/netfilter/ip6_tables.c:1686 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b other info that might help us debug this: Chain exists of: rtnl_mutex --> sk_lock-AF_INET --> &xt[i].mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&xt[i].mutex); lock(sk_lock-AF_INET); lock(&xt[i].mutex); lock(rtnl_mutex); *** DEADLOCK *** 1 lock held by syz-executor0/4212: #0: (&xt[i].mutex){+.+.}, at: [<00000000d982344c>] xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1046 stack backtrace: CPU: 0 PID: 4212 Comm: syz-executor0 Tainted: G W 4.15.0+ #307 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 print_circular_bug.isra.38+0x2cd/0x2dc kernel/locking/lockdep.c:1223 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2417 [inline] __lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3431 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 unregister_netdevice_notifier+0x91/0x4e0 net/core/dev.c:1673 tee_tg_destroy+0x61/0xc0 net/netfilter/xt_TEE.c:123 cleanup_entry+0x242/0x380 net/ipv6/netfilter/ip6_tables.c:673 __do_replace+0x7ac/0xa70 net/ipv6/netfilter/ip6_tables.c:1108 do_replace net/ipv6/netfilter/ip6_tables.c:1164 [inline] do_ip6t_set_ctl+0x40f/0x5f0 net/ipv6/netfilter/ip6_tables.c:1686 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x45654a RSP: 002b:0000000000a2e5d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000a2e600 RCX: 000000000045654a RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000013 RBP: 00000000006fc320 R08: 00000000000003b8 R09: 0000000000004000 R10: 00000000006fa100 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000013 R14: 0000000000000029 R15: 00000000006fa160 QAT: Invalid ioctl QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=0 nlmsg_type=260 sclass=netlink_route_socket pig=8711 comm=syz-executor1 ieee80211 phy2: Selected rate control algorithm 'minstrel_ht' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=260 sclass=netlink_route_socket pig=8717 comm=syz-executor1 ieee80211 phy3: Selected rate control algorithm 'minstrel_ht' ieee80211 phy4: Selected rate control algorithm 'minstrel_ht' x86/PAT: syz-executor0:8743 map pfn RAM range req write-combining for [mem 0x1d0c90000-0x1d0c93fff], got write-back ion_ioctl: ioctl validate failed x86/PAT: syz-executor0:8743 map pfn RAM range req write-combining for [mem 0x1a0c50000-0x1a0c53fff], got write-back ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' audit: type=1400 audit(1518304680.341:59): avc: denied { transfer } for pid=8781 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 binder: 8781:8786 ioctl 4b35 7 returned -22 binder: 8781:8800 ioctl 8138ae83 200acec8 returned -22 ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' binder: BINDER_SET_CONTEXT_MGR already set binder: 8781:8786 ioctl 40046207 0 returned -16 binder_alloc: 8781: binder_alloc_buf, no vma binder: 8781:8834 transaction failed 29189/-3, size 40-8 line 2957 binder: 8781:8786 ioctl 4b35 7 returned -22 binder: 8781:8836 ioctl 8138ae83 200acec8 returned -22 binder: release 8781:8786 transaction 24 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 24, target dead audit: type=1326 audit(1518304680.519:60): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8847 comm="syz-executor6" exe="/root/syz-executor6" sig=9 arch=c000003e syscall=202 compat=0 ip=0x453a59 code=0x0