netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor5/8051 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 8051 Comm: syz-executor5 Not tainted 4.4.113-g962d1f3 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 99d952439bc39903 ffff8800b9787800 ffffffff81d028ed 0000000000000001 ffffffff839fe3a0 ffffffff83cef6a0 ffff8800b5042f80 0000000000000003 ffff8800b9787840 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. audit: type=1400 audit(1517383945.772:30): avc: denied { setopt } for pid=8289 comm="syz-executor5" 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 audit: type=1326 audit(1517383947.402:31): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8667 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 audit: type=1326 audit(1517383947.462:32): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8667 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 capability: warning: `syz-executor3' uses deprecated v2 capabilities in a way that may be insecure nla_parse: 1 callbacks suppressed netlink: 14 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 14 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: RTM_SETLINK with unknown ifindex PF_BRIDGE: RTM_SETLINK with unknown ifindex audit: type=1400 audit(1517383950.562:33): avc: denied { ioctl } for pid=9480 comm="syz-executor2" path="socket:[18953]" dev="sockfs" ino=18953 ioctlcmd=5609 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 audit: type=1326 audit(1517383951.982:34): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9663 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 audit: type=1326 audit(1517383952.062:35): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9663 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. binder: 9740:9741 ERROR: BC_REGISTER_LOOPER called without request keychord: Insufficient bytes present for keycount 105 keychord: invalid keycode count 0 binder: send failed reply for transaction 30 to 9740:9756 binder: undelivered TRANSACTION_COMPLETE binder: 9740:9756 ERROR: BC_REGISTER_LOOPER called without request keychord: Insufficient bytes present for keycount 105 binder: undelivered TRANSACTION_ERROR: 29189 binder: 9794:9798 ioctl 80404506 200c3000 returned -22 binder: 9794:9815 ioctl 80404506 200c3000 returned -22 netlink: 228 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 228 bytes leftover after parsing attributes in process `syz-executor2'. audit: type=1400 audit(1517383953.762:36): avc: denied { create } for pid=10095 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1 audit: type=1400 audit(1517383953.792:37): avc: denied { write } for pid=10095 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1 binder: 10141:10144 ioctl 5204 20005000 returned -22 binder: 10141:10144 BC_REQUEST_DEATH_NOTIFICATION death notification already set binder: BINDER_SET_CONTEXT_MGR already set binder: 10141:10168 ioctl 5204 20005000 returned -22 binder: 10141:10144 ioctl 40046207 0 returned -16 audit: type=1326 audit(1517383954.552:38): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10259 comm="syz-executor0" exe="/root/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0