binder: undelivered transaction 16, process died. binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/6564 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 6564 Comm: syz-executor0 Not tainted 4.4.113-g962d1f3 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 f8e216655a393e95 ffff8800b7227800 ffffffff81d028ed 0000000000000001 ffffffff839fe3a0 ffffffff83cef6a0 ffff8801c985df00 0000000000000003 ffff8800b7227840 ffffffff81d62834 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 binder: 6613:6618 ERROR: BC_REGISTER_LOOPER called without request binder: BINDER_SET_CONTEXT_MGR already set binder: 6613:6627 ioctl 40046207 0 returned -16 binder: 6613:6618 ERROR: BC_REGISTER_LOOPER called without request binder_alloc: 6613: binder_alloc_buf, no vma binder: 6613:6637 transaction failed 29189/-3, size 0-0 line 3128 binder: 6613:6618 got reply transaction with no transaction stack binder: 6613:6618 transaction failed 29201/-71, size 24-8 line 2921 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 21, process died. IPVS: Creating netns size=2552 id=9 binder: 6884:6897 ioctl c04c5349 206bd000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 6884:6897 ioctl 40046207 0 returned -16 binder: 6884:6903 ioctl c04c5349 206bd000 returned -22 netlink: 24 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor4'. binder: 7127:7136 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 7127:7134 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 7127:7138 BC_DEAD_BINDER_DONE 0000000000000000 not found binder: undelivered death notification, 0000000000000000 binder: undelivered death notification, 0000000000000000 audit: type=1326 audit(1517378217.775:20): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7173 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 audit: type=1326 audit(1517378217.855:21): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7173 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex audit: type=1400 audit(1517378218.845:22): avc: denied { getopt } for pid=7339 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_generic_socket permissive=1 PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex audit: type=1400 audit(1517378218.895:23): avc: denied { read } for pid=7339 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_generic_socket permissive=1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 device syz6 entered promiscuous mode device syz6 left promiscuous mode capability: warning: `syz-executor6' uses deprecated v2 capabilities in a way that may be insecure Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable TCP: request_sock_TCPv6: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. binder_alloc: binder_alloc_mmap_handler: 8052 2011a000-2051a000 already mapped failed -16 binder: 8322:8326 ioctl 40046205 3fffff returned -22 binder: 8322:8326 ERROR: BC_REGISTER_LOOPER called without request binder: 8322:8331 ioctl 40046205 3fffff returned -22 binder: 8322:8331 ERROR: BC_REGISTER_LOOPER called without request ALSA: seq fatal error: cannot create timer (-22) netlink: 40 bytes leftover after parsing attributes in process `syz-executor6'. audit: type=1400 audit(1517378223.235:24): avc: denied { getopt } for pid=8391 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_alloc: binder_alloc_mmap_handler: 8500 20000000-20002000 already mapped failed -16 Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable audit: type=1400 audit(1517378223.875:25): avc: denied { create } for pid=8525 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1400 audit(1517378224.005:26): avc: denied { write } for pid=8548 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 binder_alloc: binder_alloc_mmap_handler: 8540 20000000-20002000 already mapped failed -16 netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'.