netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'.
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 3194 Comm: syz-executor1 Not tainted 4.15.0-rc2-next-20171207+ #62
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
dccp_close: ABORT with 36 bytes unread
 tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
 ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
 dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
 dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
 dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
 sk_backlog_rcv include/net/sock.h:907 [inline]
 __sk_receive_skb+0x33e/0xc10 net/core/sock.c:511
 dccp_v4_rcv+0xeeb/0x1bf0 net/dccp/ipv4.c:874
dccp_close: ABORT with 36 bytes unread
 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish+0x881/0x19a0 net/ipv4/ip_input.c:397
dccp_close: ABORT with 36 bytes unread
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
 __netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
dccp_close: ABORT with 36 bytes unread
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
 process_backlog+0x203/0x740 net/core/dev.c:5205
 napi_poll net/core/dev.c:5603 [inline]
 net_rx_action+0x792/0x1910 net/core/dev.c:5669
 __do_softirq+0x29d/0xbb2 kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1133
 </IRQ>
 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
 do_softirq kernel/softirq.c:177 [inline]
 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:726 [inline]
 ip_finish_output2+0x8a7/0x1460 net/ipv4/ip_output.c:231
 ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:270 [inline]
 ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
 dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
 dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
 dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:808
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
 sock_sendmsg_nosec net/socket.c:636 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:646
 sock_write_iter+0x320/0x5e0 net/socket.c:915
 call_write_iter include/linux/fs.h:1776 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f3b32184c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 000000000000004e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ed7f0
R13: 00000000ffffffff R14: 00007f3b321856d4 R15: 0000000000000009
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 0 PID: 3285 Comm: syz-executor2 Not tainted 4.15.0-rc2-next-20171207+ #62
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
 ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
 dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
 dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
 dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
 sk_backlog_rcv include/net/sock.h:907 [inline]
 __sk_receive_skb+0x33e/0xc10 net/core/sock.c:511
 dccp_v4_rcv+0xeeb/0x1bf0 net/dccp/ipv4.c:874
 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish+0x881/0x19a0 net/ipv4/ip_input.c:397
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
 __netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
 process_backlog+0x203/0x740 net/core/dev.c:5205
 napi_poll net/core/dev.c:5603 [inline]
 net_rx_action+0x792/0x1910 net/core/dev.c:5669
 __do_softirq+0x29d/0xbb2 kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1133
 </IRQ>
 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
 do_softirq kernel/softirq.c:177 [inline]
 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:726 [inline]
 ip_finish_output2+0x8a7/0x1460 net/ipv4/ip_output.c:231
 ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:270 [inline]
 ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
 dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
 dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
 dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:808
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
 sock_sendmsg_nosec net/socket.c:636 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:646
 sock_write_iter+0x320/0x5e0 net/socket.c:915
 call_write_iter include/linux/fs.h:1776 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007fd766d88c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fd766d89700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffd438c3910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffd438c388f R14: 00007fd766d899c0 R15: 000000000000000a
CPU: 1 PID: 3271 Comm: syz-executor6 Not tainted 4.15.0-rc2-next-20171207+ #62
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
 ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
 dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
 dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
 dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
 sk_backlog_rcv include/net/sock.h:907 [inline]
 __sk_receive_skb+0x33e/0xc10 net/core/sock.c:511
 dccp_v4_rcv+0xeeb/0x1bf0 net/dccp/ipv4.c:874
 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish+0x881/0x19a0 net/ipv4/ip_input.c:397
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
 __netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
 process_backlog+0x203/0x740 net/core/dev.c:5205
 napi_poll net/core/dev.c:5603 [inline]
 net_rx_action+0x792/0x1910 net/core/dev.c:5669
 __do_softirq+0x29d/0xbb2 kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1133
 </IRQ>
 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
 do_softirq kernel/softirq.c:177 [inline]
 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:726 [inline]
 ip_finish_output2+0x8a7/0x1460 net/ipv4/ip_output.c:231
 ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:270 [inline]
 ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
 dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
 dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
 dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:808
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
 sock_sendmsg_nosec net/socket.c:636 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:646
 SYSC_sendto+0x358/0x5a0 net/socket.c:1727
 SyS_sendto+0x40/0x50 net/socket.c:1695
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f5f2f1ffc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39
RDX: 0000000000000002 RSI: 0000000020529ffe RDI: 0000000000000005
RBP: 000000000000054b R08: 0000000020c0fff0 R09: 0000000000000010
R10: 0000000000000001 R11: 0000000000000212 R12: 00000000006f4fa8
R13: 00000000ffffffff R14: 00007f5f2f2006d4 R15: 0000000000000000
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 3469 Comm: syz-executor3 Not tainted 4.15.0-rc2-next-20171207+ #62
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
 ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
 dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
 dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
 dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
 sk_backlog_rcv include/net/sock.h:907 [inline]
 __sk_receive_skb+0x33e/0xc10 net/core/sock.c:511
 dccp_v4_rcv+0xeeb/0x1bf0 net/dccp/ipv4.c:874
 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish+0x881/0x19a0 net/ipv4/ip_input.c:397
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
 __netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
 process_backlog+0x203/0x740 net/core/dev.c:5205
 napi_poll net/core/dev.c:5603 [inline]
 net_rx_action+0x792/0x1910 net/core/dev.c:5669
 __do_softirq+0x29d/0xbb2 kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1133
 </IRQ>
 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
 do_softirq kernel/softirq.c:177 [inline]
 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:726 [inline]
 ip_finish_output2+0x8a7/0x1460 net/ipv4/ip_output.c:231
 ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:270 [inline]
 ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
 dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
 dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
 dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:808
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
 sock_sendmsg_nosec net/socket.c:636 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:646
 sock_write_iter+0x320/0x5e0 net/socket.c:915
 call_write_iter include/linux/fs.h:1776 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f3c3f96fc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f3c3f970700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffe68ddca80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffe68ddc9ff R14: 00007f3c3f9709c0 R15: 000000000000000a
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 3593 Comm: syz-executor7 Not tainted 4.15.0-rc2-next-20171207+ #62
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
 ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
 dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
 dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
 dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
 sk_backlog_rcv include/net/sock.h:907 [inline]
 __sk_receive_skb+0x33e/0xc10 net/core/sock.c:511
 dccp_v4_rcv+0xeeb/0x1bf0 net/dccp/ipv4.c:874
 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish+0x881/0x19a0 net/ipv4/ip_input.c:397
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
 __netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
 process_backlog+0x203/0x740 net/core/dev.c:5205
 napi_poll net/core/dev.c:5603 [inline]
 net_rx_action+0x792/0x1910 net/core/dev.c:5669
 __do_softirq+0x29d/0xbb2 kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1133
 </IRQ>
 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
 do_softirq kernel/softirq.c:177 [inline]
 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:726 [inline]
 ip_finish_output2+0x8a7/0x1460 net/ipv4/ip_output.c:231
 ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:270 [inline]
 ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
 dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
 dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
 dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:808
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
 sock_sendmsg_nosec net/socket.c:636 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:646
 sock_write_iter+0x320/0x5e0 net/socket.c:915
 call_write_iter include/linux/fs.h:1776 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007fb83751ec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb83751f700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffe4d0b4300 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffe4d0b427f R14: 00007fb83751f9c0 R15: 000000000000000a
net_ratelimit: 67 callbacks suppressed
dccp_close: ABORT with 36 bytes unread
nla_parse: 202 callbacks suppressed
netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'.
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 3855 Comm: syz-executor1 Not tainted 4.15.0-rc2-next-20171207+ #62
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
 ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
 dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
 dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
 dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
 sk_backlog_rcv include/net/sock.h:907 [inline]
 __sk_receive_skb+0x33e/0xc10 net/core/sock.c:511
 dccp_v4_rcv+0xeeb/0x1bf0 net/dccp/ipv4.c:874
 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish+0x881/0x19a0 net/ipv4/ip_input.c:397
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
 __netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
 process_backlog+0x203/0x740 net/core/dev.c:5205
 napi_poll net/core/dev.c:5603 [inline]
 net_rx_action+0x792/0x1910 net/core/dev.c:5669
 __do_softirq+0x29d/0xbb2 kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1133
 </IRQ>
 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
 do_softirq kernel/softirq.c:177 [inline]
 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:726 [inline]
 ip_finish_output2+0x8a7/0x1460 net/ipv4/ip_output.c:231
 ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:270 [inline]
 ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
 dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
 dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
 dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:808
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
 sock_sendmsg_nosec net/socket.c:636 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:646
 sock_write_iter+0x320/0x5e0 net/socket.c:915
 call_write_iter include/linux/fs.h:1776 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f3b32163c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f3b32164700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffdd9aff2b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffdd9aff22f R14: 00007f3b321649c0 R15: 000000000000000a
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 0 PID: 4122 Comm: syz-executor7 Not tainted 4.15.0-rc2-next-20171207+ #62
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
 ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
 dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
 dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
 dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
 sk_backlog_rcv include/net/sock.h:907 [inline]
 __sk_receive_skb+0x33e/0xc10 net/core/sock.c:511
 dccp_v4_rcv+0xeeb/0x1bf0 net/dccp/ipv4.c:874
 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish+0x881/0x19a0 net/ipv4/ip_input.c:397
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
 __netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
 process_backlog+0x203/0x740 net/core/dev.c:5205
 napi_poll net/core/dev.c:5603 [inline]
 net_rx_action+0x792/0x1910 net/core/dev.c:5669
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
 __do_softirq+0x29d/0xbb2 kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1133
 </IRQ>
 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
 do_softirq kernel/softirq.c:177 [inline]
 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:726 [inline]
 ip_finish_output2+0x8a7/0x1460 net/ipv4/ip_output.c:231
 ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:270 [inline]
 ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
 dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
 dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
 dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:808
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
 sock_sendmsg_nosec net/socket.c:636 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:646
 sock_write_iter+0x320/0x5e0 net/socket.c:915
 call_write_iter include/linux/fs.h:1776 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007fb837560c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 0000000000000384 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2500
R13: 00000000ffffffff R14: 00007fb8375616d4 R15: 0000000000000000
CPU: 1 PID: 4203 Comm: syz-executor1 Not tainted 4.15.0-rc2-next-20171207+ #62
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
 ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
 dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
 dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
 dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
 sk_backlog_rcv include/net/sock.h:907 [inline]
 __sk_receive_skb+0x33e/0xc10 net/core/sock.c:511
 dccp_v4_rcv+0xeeb/0x1bf0 net/dccp/ipv4.c:874
 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish+0x881/0x19a0 net/ipv4/ip_input.c:397
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
 __netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
 process_backlog+0x203/0x740 net/core/dev.c:5205
 napi_poll net/core/dev.c:5603 [inline]
 net_rx_action+0x792/0x1910 net/core/dev.c:5669
 __do_softirq+0x29d/0xbb2 kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1133
 </IRQ>
 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
 do_softirq kernel/softirq.c:177 [inline]
 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:726 [inline]
 ip_finish_output2+0x8a7/0x1460 net/ipv4/ip_output.c:231
 ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:270 [inline]
 ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
 dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
 dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
 dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:808
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
 sock_sendmsg_nosec net/socket.c:636 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:646
 sock_write_iter+0x320/0x5e0 net/socket.c:915
 call_write_iter include/linux/fs.h:1776 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x68a/0x970 fs/read_write.c:482
 vfs_write+0x18f/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f3b32163c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f3b32164700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffdd9aff2b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffdd9aff22f R14: 00007f3b321649c0 R15: 000000000000000a
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 4369 Comm: syz-executor7 Not tainted 4.15.0-rc2-next-20171207+ #62
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
 ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
 ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
 dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
 dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
 dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
 sk_backlog_rcv include/net/sock.h:907 [inline]
 __sk_receive_skb+0x33e/0xc10 net/core/sock.c:511
 dccp_v4_rcv+0xeeb/0x1bf0 net/dccp/ipv4.c:874
 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish+0x881/0x19a0 net/ipv4/ip_input.c:397
 NF_HOOK include/linux/netfilter.h:281 [inline]
 ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
 __netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
 process_backlog+0x203/0x740 net/core/dev.c:5205
 napi_poll net/core/dev.c:5603 [inline]
 net_rx_action+0x792/0x1910 net/core/dev.c:5669
 __do_softirq+0x29d/0xbb2 kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1133
 </IRQ>
 do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
 do_softirq kernel/softirq.c:177 [inline]
 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:726 [inline]
 ip_finish_output2+0x8a7/0x1460 net/ipv4/ip_output.c:231
 ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:270 [inline]
 ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
 ip_queue_xmit+0x8c0/0x18e0 net/ipv4/ip_output.c:504
 dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
 dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281