SELinux: unrecognized netlink message: protocol=4 nlmsg_type=32 sclass=netlink_tcpdiag_socket pig=22685 comm=syz-executor7 ============================= WARNING: suspicious RCU usage 4.14.0+ #129 Not tainted ----------------------------- ./include/net/inet_sock.h:136 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor6/22735: #0: (sk_lock-AF_INET6){+.+.}, at: [] lock_sock include/net/sock.h:1465 [inline] #0: (sk_lock-AF_INET6){+.+.}, at: [] inet6_bind+0x35c/0x1020 net/ipv6/af_inet6.c:310 stack backtrace: CPU: 0 PID: 22735 Comm: syz-executor6 Not tainted 4.14.0+ #129 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 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4675 ireq_opt_deref include/net/inet_sock.h:135 [inline] inet_csk_route_req+0x82a/0xca0 net/ipv4/inet_connection_sock.c:544 dccp_v4_send_response+0xa7/0x640 net/dccp/ipv4.c:485 dccp_v4_conn_request+0x9f4/0x11b0 net/dccp/ipv4.c:633 dccp_v6_conn_request+0xd30/0x1350 net/dccp/ipv6.c:317 dccp_rcv_state_process+0x574/0x1620 net/dccp/input.c:612 dccp_v4_do_rcv+0xeb/0x160 net/dccp/ipv4.c:682 dccp_v6_do_rcv+0x81a/0x9b0 net/dccp/ipv6.c:578 sk_backlog_rcv include/net/sock.h:911 [inline] __release_sock+0x124/0x360 net/core/sock.c:2264 release_sock+0xa4/0x2a0 net/core/sock.c:2779 inet6_bind+0x3ad/0x1020 net/ipv6/af_inet6.c:412 SYSC_bind+0x1b4/0x3f0 net/socket.c:1475 SyS_bind+0x24/0x30 net/socket.c:1461 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f0fb08b7be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 0000000000758248 RCX: 0000000000452879 RDX: 000000000000001c RSI: 0000000020000000 RDI: 0000000000000013 RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a6f7ff R14: 00007f0fb08b89c0 R15: 0000000000000002 ============================= WARNING: suspicious RCU usage 4.14.0+ #129 Not tainted ----------------------------- ./include/net/inet_sock.h:136 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor6/22735: #0: (sk_lock-AF_INET6){+.+.}, at: [] lock_sock include/net/sock.h:1465 [inline] #0: (sk_lock-AF_INET6){+.+.}, at: [] inet6_bind+0x35c/0x1020 net/ipv6/af_inet6.c:310 stack backtrace: CPU: 0 PID: 22735 Comm: syz-executor6 Not tainted 4.14.0+ #129 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 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4675 ireq_opt_deref include/net/inet_sock.h:135 [inline] dccp_v4_send_response+0x4b0/0x640 net/dccp/ipv4.c:496 dccp_v4_conn_request+0x9f4/0x11b0 net/dccp/ipv4.c:633 dccp_v6_conn_request+0xd30/0x1350 net/dccp/ipv6.c:317 dccp_rcv_state_process+0x574/0x1620 net/dccp/input.c:612 dccp_v4_do_rcv+0xeb/0x160 net/dccp/ipv4.c:682 dccp_v6_do_rcv+0x81a/0x9b0 net/dccp/ipv6.c:578 sk_backlog_rcv include/net/sock.h:911 [inline] __release_sock+0x124/0x360 net/core/sock.c:2264 release_sock+0xa4/0x2a0 net/core/sock.c:2779 inet6_bind+0x3ad/0x1020 net/ipv6/af_inet6.c:412 SYSC_bind+0x1b4/0x3f0 net/socket.c:1475 SyS_bind+0x24/0x30 net/socket.c:1461 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f0fb08b7be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 0000000000758248 RCX: 0000000000452879 RDX: 000000000000001c RSI: 0000000020000000 RDI: 0000000000000013 RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a6f7ff R14: 00007f0fb08b89c0 R15: 0000000000000002 nla_parse: 20 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23005 comm=syz-executor7 dccp_v6_rcv: dropped packet with invalid checksum sctp: [Deprecated]: syz-executor1 (pid 23182) Use of int in max_burst socket option. Use struct sctp_assoc_value instead dccp_v6_rcv: dropped packet with invalid checksum sctp: [Deprecated]: syz-executor1 (pid 23182) Use of int in max_burst socket option. Use struct sctp_assoc_value instead dccp_invalid_packet: P.Data Offset(172) too large dccp_invalid_packet: P.Data Offset(172) too large dccp_close: ABORT with 2 bytes unread do_dccp_setsockopt: sockopt(CHANGE_L/R) is deprecated: fix your app do_dccp_setsockopt: sockopt(CHANGE_L/R) is deprecated: fix your app netlink: 6 bytes leftover after parsing attributes in process `syz-executor4'. device lo left promiscuous mode netlink: 6 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE IPv6: NLM_F_CREATE should be set when creating new route IPv6: NLM_F_CREATE should be set when creating new route SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23659 comm=syz-executor6 sctp: [Deprecated]: syz-executor1 (pid 23732) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor1 (pid 23732) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device lo left promiscuous mode ICMPv6: NA: bb:bb:bb:bb:bb:06 advertised our address fe80::6aa on syz6! sctp: [Deprecated]: syz-executor3 (pid 23983) Use of int in maxseg socket option. Use struct sctp_assoc_value instead ICMPv6: NA: bb:bb:bb:bb:bb:06 advertised our address fe80::6aa on syz6! SELinux: failure in selinux_parse_skb(), unable to parse packet sctp: [Deprecated]: syz-executor3 (pid 23996) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor5 (pid 24069) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor5 (pid 24085) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead øÿÿÿ: renamed from lo RDS: rds_bind could not find a transport for 255.255.255.255, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 255.255.255.255, load rds_tcp or rds_rdma? nla_parse: 18 callbacks suppressed netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=190 sclass=netlink_route_socket pig=24421 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=190 sclass=netlink_route_socket pig=24421 comm=syz-executor1 device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode SELinux: unrecognized netlink message: protocol=6 nlmsg_type=25898 sclass=netlink_xfrm_socket pig=24543 comm=syz-executor0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. sctp: [Deprecated]: syz-executor5 (pid 24578) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor5 (pid 24578) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. IPv6: NLM_F_REPLACE set, but no existing node found! netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. IPv6: NLM_F_REPLACE set, but no existing node found! sctp: [Deprecated]: syz-executor1 (pid 24755) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor1 (pid 24783) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead do_dccp_setsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app do_dccp_setsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'. lo: Invalid MTU -1530256143 requested, hw min 68 netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'. lo: Invalid MTU -1530256143 requested, hw min 68 dccp_invalid_packet: invalid packet type dccp_invalid_packet: invalid packet type dccp_close: ABORT with 1 bytes unread sctp: [Deprecated]: syz-executor1 (pid 25121) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor0 (pid 25128) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor0 (pid 25112) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor1 (pid 25179) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor3 (pid 25188) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor3 (pid 25226) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device øÿÿÿ entered promiscuous mode device øÿÿÿ left promiscuous mode