Warning: Permanently added '10.128.15.203' (ECDSA) to the list of known hosts.
2020/06/15 18:43:26 parsed 1 programs
2020/06/15 18:43:26 executed programs: 0
[   52.645191] dccp_close: ABORT with 24 bytes unread
[   52.686896] dccp_close: ABORT with 24 bytes unread
[   52.694686] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   52.708089] CPU: 0 PID: 4012 Comm: syz-executor5 Not tainted 5.8.0-rc1-syzkaller #0
[   52.715881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.722234] dccp_close: ABORT with 24 bytes unread
[   52.725233] Call Trace:
[   52.725251]  <IRQ>
[   52.725266]  dump_stack+0x136/0x187
[   52.725290]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   52.725308]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   52.748474]  ? dccp_parse_options+0x333/0x1000
[   52.753077]  dccp_deliver_input_to_ccids+0xcc/0x220
[   52.758101]  dccp_rcv_established+0x49/0x70
[   52.762429]  dccp_v4_do_rcv+0xf4/0x160
[   52.766321]  __sk_receive_skb+0x215/0x900
[   52.770488]  dccp_v4_rcv+0xc62/0x1da3
[   52.774320]  ip_protocol_deliver_rcu+0x516/0x6c0
[   52.779097]  ip_local_deliver_finish+0x1ee/0x2e0
[   52.783864]  ip_local_deliver+0x306/0x450
[   52.788022]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   52.789199] dccp_close: ABORT with 24 bytes unread
[   52.792945]  ? lock_downgrade+0x960/0x960
[   52.792963]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   52.792993]  ip_rcv_finish+0xb0/0x170
[   52.793005]  ip_rcv+0xcb/0x2f0
[   52.793020]  ? ip_local_deliver+0x450/0x450
[   52.810252] dccp_close: ABORT with 24 bytes unread
[   52.810789]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   52.810803]  ? find_held_lock+0x36/0x1d0
[   52.810818]  ? ip_local_deliver+0x450/0x450
[   52.838191]  __netif_receive_skb_one_core+0x16a/0x1c0
[   52.843382]  ? lock_acquire+0x200/0x960
[   52.847377]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   52.852584]  ? lock_release+0x950/0x950
[   52.856569]  ? process_backlog+0x3fe/0x700
[   52.860822]  __netif_receive_skb+0x1f/0x1b0
[   52.865157]  process_backlog+0x1f1/0x700
[   52.869235]  ? net_rx_action+0x236/0xe60
[   52.873314]  net_rx_action+0x44c/0xe60
[   52.877211]  ? __kasan_check_read+0x11/0x20
[   52.877239] dccp_close: ABORT with 24 bytes unread
[   52.881547]  ? napi_busy_loop+0x6e0/0x6e0
[   52.881570]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   52.881580]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   52.881589]  ? asm_call_on_stack+0x12/0x20
[   52.881601]  ? trace_hardirqs_on+0x31/0x190
[   52.881618]  __do_softirq+0x248/0x992
[   52.881646]  ? ip_finish_output2+0x6f4/0x21f0
[   52.881659]  asm_call_on_stack+0x12/0x20
[   52.881665]  </IRQ>
[   52.881680]  do_softirq_own_stack+0xf2/0x140
[   52.881691]  do_softirq.part.18+0x11a/0x150
[   52.881700]  __local_bh_enable_ip+0x1ee/0x230
[   52.881713]  ip_finish_output2+0x718/0x21f0
[   52.905913] dccp_close: ABORT with 24 bytes unread
[   52.909553]  ? ip_frag_next+0xa10/0xa10
[   52.909562]  ? rcu_read_lock_held+0x9c/0xb0
[   52.909572]  ? rcu_read_lock_held_common+0xa0/0xa0
[   52.909582]  ? lock_downgrade+0x960/0x960
[   52.909602]  __ip_finish_output+0x401/0xa70
[   52.909619]  ip_finish_output+0x27/0x170
[   52.939041] dccp_close: ABORT with 24 bytes unread
[   52.941852]  ip_output+0x1c6/0x560
[   52.941871]  ? ip_mc_output+0xd10/0xd10
[   52.941891]  ? __ip_finish_output+0xa70/0xa70
[   52.941898]  ? rcu_read_lock_held_common+0xa0/0xa0
[   52.941909]  ? rcu_read_lock_held+0x9c/0xb0
[   52.941926]  ip_local_out+0x7e/0x130
[   52.973895] dccp_close: ABORT with 24 bytes unread
[   52.977437]  __ip_queue_xmit+0x700/0x1de0
[   52.977445]  ? __skb_checksum+0x7c0/0x7c0
[   52.977453]  ? skb_send_sock_locked+0x750/0x750
[   52.977460]  ? reqsk_fastopen_remove+0x560/0x560
[   52.977468]  ? dccp_insert_options+0x1e2/0xb30
[   52.977492]  ip_queue_xmit+0x45/0x70
[   52.977505]  dccp_transmit_skb+0xb80/0x12b0
[   52.977513]  ? skb_unlink+0x117/0x1a0
[   53.015092] dccp_close: ABORT with 24 bytes unread
[   53.015685]  dccp_xmit_packet+0x1a0/0x580
[   53.015706]  dccp_write_xmit+0x128/0x180
[   53.015724]  dccp_sendmsg+0x68e/0xdb0
[   53.015752]  ? dccp_disconnect+0xb00/0xb00
[   53.015764]  ? aa_af_perm+0x240/0x240
[   53.015775]  ? rw_copy_check_uvector+0x66/0x3b0
[   53.015781]  ? __kasan_check_write+0x14/0x20
[   53.015814]  inet_sendmsg+0xbd/0xe0
[   53.015824]  ? inet_send_prepare+0x3a0/0x3a0
[   53.015831]  sock_sendmsg+0xdf/0x110
[   53.015843]  ____sys_sendmsg+0x6b4/0xb40
[   53.015857]  ? copy_msghdr_from_user+0xa3/0xf0
[   53.015867]  ? kernel_sendmsg+0x30/0x30
[   53.015885]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   53.015891]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   53.015915]  ___sys_sendmsg+0xe4/0x160
[   53.015928]  ? sendmsg_copy_msghdr+0x30/0x30
[   53.015944]  ? lock_downgrade+0x960/0x960
[   53.123103]  ? rcu_read_lock_held+0x9c/0xb0
[   53.127605]  ? rcu_read_lock_held_common+0xa0/0xa0
[   53.132552]  ? __fget_files+0x1c5/0x2e0
[   53.136549]  ? __fget_light+0x1b3/0x230
[   53.140643]  ? __fdget+0xe/0x10
[   53.143921]  ? sockfd_lookup_light+0x1c/0x150
[   53.148455]  __sys_sendmsg+0xdc/0x190
[   53.152256]  ? __sys_sendmsg_sock+0xa0/0xa0
[   53.156578]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   53.161423]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   53.166750]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   53.172051]  ? do_syscall_64+0x20/0xf0
[   53.175991]  __x64_sys_sendmsg+0x73/0xb0
[   53.180075]  do_syscall_64+0x6e/0xf0
[   53.183806]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   53.189136] RIP: 0033:0x452f89
[   53.192311] Code: Bad RIP value.
[   53.195653] RSP: 002b:00007fa882c97c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   53.203352] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   53.210599] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   53.217861] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   53.225122] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   53.233070] R13: 00000000ffffffff R14: 00007fa882c986d4 R15: 0000000000000002
[   53.281945] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   53.295241] CPU: 0 PID: 4080 Comm: syz-executor5 Not tainted 5.8.0-rc1-syzkaller #0
[   53.303036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.308977] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   53.312383] Call Trace:
[   53.312388]  <IRQ>
[   53.312401]  dump_stack+0x136/0x187
[   53.312428]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   53.312450]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   53.312456]  ? dccp_parse_options+0x333/0x1000
[   53.312485]  dccp_deliver_input_to_ccids+0xcc/0x220
[   53.353976]  dccp_rcv_established+0x49/0x70
[   53.358281]  dccp_v4_do_rcv+0xf4/0x160
[   53.362155]  __sk_receive_skb+0x215/0x900
[   53.366293]  dccp_v4_rcv+0xc62/0x1da3
[   53.370112]  ip_protocol_deliver_rcu+0x516/0x6c0
[   53.374861]  ip_local_deliver_finish+0x1ee/0x2e0
[   53.379612]  ip_local_deliver+0x306/0x450
[   53.383756]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   53.388680]  ? lock_downgrade+0x960/0x960
[   53.392813]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   53.397736]  ip_rcv_finish+0xb0/0x170
[   53.401520]  ip_rcv+0xcb/0x2f0
[   53.404715]  ? ip_local_deliver+0x450/0x450
[   53.409037]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   53.414398]  ? find_held_lock+0x36/0x1d0
[   53.418459]  ? ip_local_deliver+0x450/0x450
[   53.422762]  __netif_receive_skb_one_core+0x16a/0x1c0
[   53.427933]  ? lock_acquire+0x200/0x960
[   53.431890]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   53.437065]  ? lock_release+0x950/0x950
[   53.441028]  ? process_backlog+0x3fe/0x700
[   53.445251]  __netif_receive_skb+0x1f/0x1b0
[   53.450283]  process_backlog+0x1f1/0x700
[   53.454440]  ? net_rx_action+0x236/0xe60
[   53.459539]  net_rx_action+0x44c/0xe60
[   53.463412]  ? __kasan_check_read+0x11/0x20
[   53.469250]  ? napi_busy_loop+0x6e0/0x6e0
[   53.473498]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   53.479972]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   53.485426]  ? asm_call_on_stack+0x12/0x20
[   53.492982]  ? trace_hardirqs_on+0x31/0x190
[   53.497319]  __do_softirq+0x248/0x992
[   53.501209]  ? ip_finish_output2+0x6f4/0x21f0
[   53.505875]  asm_call_on_stack+0x12/0x20
[   53.509920]  </IRQ>
[   53.512156]  do_softirq_own_stack+0xf2/0x140
[   53.516550]  do_softirq.part.18+0x11a/0x150
[   53.520872]  __local_bh_enable_ip+0x1ee/0x230
[   53.525354]  ip_finish_output2+0x718/0x21f0
[   53.529694]  ? ip_frag_next+0xa10/0xa10
[   53.533682]  ? rcu_read_lock_held+0x9c/0xb0
[   53.538003]  ? rcu_read_lock_held_common+0xa0/0xa0
[   53.543783]  ? lock_downgrade+0x960/0x960
[   53.548011]  __ip_finish_output+0x401/0xa70
[   53.552324]  ip_finish_output+0x27/0x170
[   53.557077]  ip_output+0x1c6/0x560
[   53.560607]  ? ip_mc_output+0xd10/0xd10
[   53.564571]  ? __ip_finish_output+0xa70/0xa70
[   53.569065]  ? rcu_read_lock_held_common+0xa0/0xa0
[   53.573987]  ? rcu_read_lock_held+0x9c/0xb0
[   53.578297]  ip_local_out+0x7e/0x130
[   53.582001]  __ip_queue_xmit+0x700/0x1de0
[   53.586145]  ? __skb_checksum+0x7c0/0x7c0
[   53.590281]  ? skb_send_sock_locked+0x750/0x750
[   53.594929]  ? reqsk_fastopen_remove+0x560/0x560
[   53.599769]  ? dccp_insert_options+0x1e2/0xb30
[   53.604382]  ip_queue_xmit+0x45/0x70
[   53.608084]  dccp_transmit_skb+0xb80/0x12b0
[   53.612388]  ? skb_unlink+0x117/0x1a0
[   53.616189]  dccp_xmit_packet+0x1a0/0x580
[   53.620343]  dccp_write_xmit+0x128/0x180
[   53.624408]  dccp_sendmsg+0x68e/0xdb0
[   53.628206]  ? dccp_disconnect+0xb00/0xb00
[   53.632441]  ? aa_af_perm+0x240/0x240
[   53.636241]  ? rw_copy_check_uvector+0x66/0x3b0
[   53.640888]  ? __kasan_check_write+0x14/0x20
[   53.645298]  inet_sendmsg+0xbd/0xe0
[   53.649083]  ? inet_send_prepare+0x3a0/0x3a0
[   53.653473]  sock_sendmsg+0xdf/0x110
[   53.657175]  ____sys_sendmsg+0x6b4/0xb40
[   53.661239]  ? copy_msghdr_from_user+0xa3/0xf0
[   53.665805]  ? kernel_sendmsg+0x30/0x30
[   53.669770]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   53.675041]  ___sys_sendmsg+0xe4/0x160
[   53.679026]  ? sendmsg_copy_msghdr+0x30/0x30
[   53.684033]  ? lock_downgrade+0x960/0x960
[   53.688370]  ? rcu_read_lock_held+0x9c/0xb0
[   53.692676]  ? rcu_read_lock_held_common+0xa0/0xa0
[   53.698415]  ? __fget_files+0x1c5/0x2e0
[   53.702469]  ? __fget_light+0x1b3/0x230
[   53.706435]  ? __fdget+0xe/0x10
[   53.709712]  ? sockfd_lookup_light+0x1c/0x150
[   53.714195]  __sys_sendmsg+0xdc/0x190
[   53.717975]  ? __sys_sendmsg_sock+0xa0/0xa0
[   53.722301]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   53.727123]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   53.732410]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   53.737672]  ? do_syscall_64+0x20/0xf0
[   53.741562]  __x64_sys_sendmsg+0x73/0xb0
[   53.745656]  do_syscall_64+0x6e/0xf0
[   53.749358]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   53.754532] RIP: 0033:0x452f89
[   53.757699] Code: Bad RIP value.
[   53.761051] RSP: 002b:00007fa882c97c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   53.768747] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   53.776017] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   53.783266] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   53.790530] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   53.797781] R13: 00000000ffffffff R14: 00007fa882c986d4 R15: 0000000000000002
[   53.806472] CPU: 1 PID: 4083 Comm: syz-executor4 Not tainted 5.8.0-rc1-syzkaller #0
[   53.814613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.824370] Call Trace:
[   53.827025]  <IRQ>
[   53.829264]  dump_stack+0x136/0x187
[   53.832910]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   53.838132]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   53.843280]  ? dccp_parse_options+0x333/0x1000
[   53.848025]  dccp_deliver_input_to_ccids+0xcc/0x220
[   53.853258]  dccp_rcv_established+0x49/0x70
[   53.857784]  dccp_v4_do_rcv+0xf4/0x160
[   53.861952]  __sk_receive_skb+0x215/0x900
[   53.866237]  dccp_v4_rcv+0xc62/0x1da3
[   53.870105]  ip_protocol_deliver_rcu+0x516/0x6c0
[   53.874915]  ip_local_deliver_finish+0x1ee/0x2e0
[   53.879705]  ip_local_deliver+0x306/0x450
[   53.883885]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   53.888830]  ? lock_downgrade+0x960/0x960
[   53.893001]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   53.897959]  ip_rcv_finish+0xb0/0x170
[   53.901770]  ip_rcv+0xcb/0x2f0
[   53.905068]  ? ip_local_deliver+0x450/0x450
[   53.909417]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   53.914789]  ? find_held_lock+0x36/0x1d0
[   53.918872]  ? ip_local_deliver+0x450/0x450
[   53.923206]  __netif_receive_skb_one_core+0x16a/0x1c0
[   53.928505]  ? lock_acquire+0x200/0x960
[   53.932529]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   53.938070]  ? lock_release+0x950/0x950
[   53.942149]  ? process_backlog+0x3fe/0x700
[   53.947527]  __netif_receive_skb+0x1f/0x1b0
[   53.952036]  process_backlog+0x1f1/0x700
[   53.956372]  ? net_rx_action+0x236/0xe60
[   53.960587]  net_rx_action+0x44c/0xe60
[   53.964523]  ? __kasan_check_read+0x11/0x20
[   53.968919]  ? napi_busy_loop+0x6e0/0x6e0
[   53.973186]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   53.974581] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   53.978139]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   53.978149]  ? asm_call_on_stack+0x12/0x20
[   53.978159]  ? trace_hardirqs_on+0x31/0x190
[   53.978178]  __do_softirq+0x248/0x992
[   53.978209]  ? ip_finish_output2+0x6f4/0x21f0
[   53.978222]  asm_call_on_stack+0x12/0x20
[   53.978229]  </IRQ>
[   53.978239]  do_softirq_own_stack+0xf2/0x140
[   53.978249]  do_softirq.part.18+0x11a/0x150
[   53.978258]  __local_bh_enable_ip+0x1ee/0x230
[   53.978270]  ip_finish_output2+0x718/0x21f0
[   53.978294]  ? ip_frag_next+0xa10/0xa10
[   54.042303]  ? rcu_read_lock_held+0x9c/0xb0
[   54.046710]  ? rcu_read_lock_held_common+0xa0/0xa0
[   54.051653]  ? lock_downgrade+0x960/0x960
[   54.055806]  __ip_finish_output+0x401/0xa70
[   54.060131]  ip_finish_output+0x27/0x170
[   54.064178]  ip_output+0x1c6/0x560
[   54.067787]  ? ip_mc_output+0xd10/0xd10
[   54.071961]  ? __ip_finish_output+0xa70/0xa70
[   54.076437]  ? rcu_read_lock_held_common+0xa0/0xa0
[   54.081350]  ? rcu_read_lock_held+0x9c/0xb0
[   54.085660]  ip_local_out+0x7e/0x130
[   54.089361]  __ip_queue_xmit+0x700/0x1de0
[   54.093673]  ? __skb_checksum+0x7c0/0x7c0
[   54.097798]  ? skb_send_sock_locked+0x750/0x750
[   54.102459]  ? reqsk_fastopen_remove+0x560/0x560
[   54.107201]  ? dccp_insert_options+0x1e2/0xb30
[   54.111779]  ip_queue_xmit+0x45/0x70
[   54.115494]  dccp_transmit_skb+0xb80/0x12b0
[   54.119817]  ? skb_unlink+0x117/0x1a0
[   54.124914]  dccp_xmit_packet+0x1a0/0x580
[   54.129063]  dccp_write_xmit+0x128/0x180
[   54.133133]  dccp_sendmsg+0x68e/0xdb0
[   54.136927]  ? dccp_disconnect+0xb00/0xb00
[   54.141144]  ? aa_af_perm+0x240/0x240
[   54.144926]  ? rw_copy_check_uvector+0x66/0x3b0
[   54.149580]  ? __kasan_check_write+0x14/0x20
[   54.153998]  inet_sendmsg+0xbd/0xe0
[   54.157611]  ? inet_send_prepare+0x3a0/0x3a0
[   54.162026]  sock_sendmsg+0xdf/0x110
[   54.165752]  ____sys_sendmsg+0x6b4/0xb40
[   54.169802]  ? copy_msghdr_from_user+0xa3/0xf0
[   54.174382]  ? kernel_sendmsg+0x30/0x30
[   54.178348]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   54.183797]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   54.189272]  ___sys_sendmsg+0xe4/0x160
[   54.193251]  ? sendmsg_copy_msghdr+0x30/0x30
[   54.197739]  ? lock_downgrade+0x960/0x960
[   54.202580]  ? rcu_read_lock_held+0x9c/0xb0
[   54.208489]  ? rcu_read_lock_held_common+0xa0/0xa0
[   54.214590]  ? __fget_files+0x1c5/0x2e0
[   54.218560]  ? __fget_light+0x1b3/0x230
[   54.222536]  ? __fdget+0xe/0x10
[   54.225810]  ? sockfd_lookup_light+0x1c/0x150
[   54.230314]  __sys_sendmsg+0xdc/0x190
[   54.236093]  ? __sys_sendmsg_sock+0xa0/0xa0
[   54.240407]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   54.246550]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   54.251838]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   54.257735]  ? do_syscall_64+0x20/0xf0
[   54.262339]  __x64_sys_sendmsg+0x73/0xb0
[   54.266528]  do_syscall_64+0x6e/0xf0
[   54.271805]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.277167] RIP: 0033:0x452f89
[   54.281903] Code: Bad RIP value.
[   54.288655] RSP: 002b:00007f73b3819c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   54.296361] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   54.303736] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   54.310996] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   54.318282] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   54.325844] R13: 00000000ffffffff R14: 00007f73b381a6d4 R15: 0000000000000002
[   54.333179] CPU: 0 PID: 4100 Comm: syz-executor5 Not tainted 5.8.0-rc1-syzkaller #0
[   54.340992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.350442] Call Trace:
[   54.353023]  <IRQ>
[   54.355181]  dump_stack+0x136/0x187
[   54.362061]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   54.367430]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   54.374982]  ? dccp_parse_options+0x333/0x1000
[   54.379638]  dccp_deliver_input_to_ccids+0xcc/0x220
[   54.384760]  dccp_rcv_established+0x49/0x70
[   54.389096]  dccp_v4_do_rcv+0xf4/0x160
[   54.393375]  __sk_receive_skb+0x215/0x900
[   54.397547]  dccp_v4_rcv+0xc62/0x1da3
[   54.401739]  ip_protocol_deliver_rcu+0x516/0x6c0
[   54.406522]  ip_local_deliver_finish+0x1ee/0x2e0
[   54.412775]  ip_local_deliver+0x306/0x450
[   54.417181]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   54.423170]  ? lock_downgrade+0x960/0x960
[   54.427339]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   54.432998]  ip_rcv_finish+0xb0/0x170
[   54.437079]  ip_rcv+0xcb/0x2f0
[   54.440718]  ? ip_local_deliver+0x450/0x450
[   54.445072]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   54.450848]  ? find_held_lock+0x36/0x1d0
[   54.454938]  ? ip_local_deliver+0x450/0x450
[   54.459299]  __netif_receive_skb_one_core+0x16a/0x1c0
[   54.465056]  ? lock_acquire+0x200/0x960
[   54.469350]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   54.472146] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   54.475121]  ? lock_release+0x950/0x950
[   54.475141]  ? process_backlog+0x3fe/0x700
[   54.475156]  __netif_receive_skb+0x1f/0x1b0
[   54.475169]  process_backlog+0x1f1/0x700
[   54.475176]  ? net_rx_action+0x236/0xe60
[   54.475206]  net_rx_action+0x44c/0xe60
[   54.475220]  ? __kasan_check_read+0x11/0x20
[   54.475243]  ? napi_busy_loop+0x6e0/0x6e0
[   54.475262]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   54.539015]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   54.544786]  ? asm_call_on_stack+0x12/0x20
[   54.549462]  ? trace_hardirqs_on+0x31/0x190
[   54.553911]  __do_softirq+0x248/0x992
[   54.557811]  ? ip_finish_output2+0x6f4/0x21f0
[   54.562422]  asm_call_on_stack+0x12/0x20
[   54.566904]  </IRQ>
[   54.569141]  do_softirq_own_stack+0xf2/0x140
[   54.573539]  do_softirq.part.18+0x11a/0x150
[   54.577850]  __local_bh_enable_ip+0x1ee/0x230
[   54.582351]  ip_finish_output2+0x718/0x21f0
[   54.586667]  ? ip_frag_next+0xa10/0xa10
[   54.590634]  ? rcu_read_lock_held+0x9c/0xb0
[   54.594936]  ? rcu_read_lock_held_common+0xa0/0xa0
[   54.599858]  ? lock_downgrade+0x960/0x960
[   54.604018]  __ip_finish_output+0x401/0xa70
[   54.608327]  ip_finish_output+0x27/0x170
[   54.612374]  ip_output+0x1c6/0x560
[   54.615919]  ? ip_mc_output+0xd10/0xd10
[   54.619889]  ? __ip_finish_output+0xa70/0xa70
[   54.624363]  ? rcu_read_lock_held_common+0xa0/0xa0
[   54.629306]  ? rcu_read_lock_held+0x9c/0xb0
[   54.633629]  ip_local_out+0x7e/0x130
[   54.637356]  __ip_queue_xmit+0x700/0x1de0
[   54.641603]  ? __skb_checksum+0x7c0/0x7c0
[   54.645744]  ? skb_send_sock_locked+0x750/0x750
[   54.650393]  ? reqsk_fastopen_remove+0x560/0x560
[   54.655143]  ? dccp_insert_options+0x1e2/0xb30
[   54.659718]  ip_queue_xmit+0x45/0x70
[   54.663427]  dccp_transmit_skb+0xb80/0x12b0
[   54.667739]  ? skb_unlink+0x117/0x1a0
[   54.671537]  dccp_xmit_packet+0x1a0/0x580
[   54.675690]  dccp_write_xmit+0x128/0x180
[   54.679740]  dccp_sendmsg+0x68e/0xdb0
[   54.683708]  ? dccp_disconnect+0xb00/0xb00
[   54.687941]  ? aa_af_perm+0x240/0x240
[   54.691811]  ? rw_copy_check_uvector+0x66/0x3b0
[   54.696458]  ? __kasan_check_write+0x14/0x20
[   54.700867]  inet_sendmsg+0xbd/0xe0
[   54.704477]  ? inet_send_prepare+0x3a0/0x3a0
[   54.708951]  sock_sendmsg+0xdf/0x110
[   54.712655]  ____sys_sendmsg+0x6b4/0xb40
[   54.716713]  ? copy_msghdr_from_user+0xa3/0xf0
[   54.721282]  ? kernel_sendmsg+0x30/0x30
[   54.725354]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   54.730655]  ___sys_sendmsg+0xe4/0x160
[   54.734533]  ? sendmsg_copy_msghdr+0x30/0x30
[   54.738948]  ? lock_downgrade+0x960/0x960
[   54.743086]  ? rcu_read_lock_held+0x9c/0xb0
[   54.747402]  ? rcu_read_lock_held_common+0xa0/0xa0
[   54.752335]  ? __fget_files+0x1c5/0x2e0
[   54.756305]  ? __fget_light+0x1b3/0x230
[   54.760298]  ? __fdget+0xe/0x10
[   54.763592]  ? sockfd_lookup_light+0x1c/0x150
[   54.768087]  __sys_sendmsg+0xdc/0x190
[   54.771893]  ? __sys_sendmsg_sock+0xa0/0xa0
[   54.776194]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   54.781016]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   54.786738]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   54.792027]  ? do_syscall_64+0x20/0xf0
[   54.795918]  __x64_sys_sendmsg+0x73/0xb0
[   54.799986]  do_syscall_64+0x6e/0xf0
[   54.803692]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.808865] RIP: 0033:0x452f89
[   54.812042] Code: Bad RIP value.
[   54.815409] RSP: 002b:00007fa882c97c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   54.823105] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   54.830627] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
2020/06/15 18:43:31 executed programs: 33
[   54.837900] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   54.845167] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   54.852425] R13: 00000000ffffffff R14: 00007fa882c986d4 R15: 0000000000000002
[   54.859720] CPU: 1 PID: 4122 Comm: syz-executor4 Not tainted 5.8.0-rc1-syzkaller #0
[   54.867526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.876880] Call Trace:
[   54.879459]  <IRQ>
[   54.882308]  dump_stack+0x136/0x187
[   54.885963]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   54.891180]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   54.895939]  ? dccp_parse_options+0x333/0x1000
[   54.900553]  dccp_deliver_input_to_ccids+0xcc/0x220
[   54.905582]  dccp_rcv_established+0x49/0x70
[   54.910012]  dccp_v4_do_rcv+0xf4/0x160
[   54.913953]  __sk_receive_skb+0x215/0x900
[   54.918146]  dccp_v4_rcv+0xc62/0x1da3
[   54.922002]  ip_protocol_deliver_rcu+0x516/0x6c0
[   54.926782]  ip_local_deliver_finish+0x1ee/0x2e0
[   54.931552]  ip_local_deliver+0x306/0x450
[   54.935716]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   54.940645]  ? lock_downgrade+0x960/0x960
[   54.944806]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   54.949768]  ip_rcv_finish+0xb0/0x170
[   54.953602]  ip_rcv+0xcb/0x2f0
[   54.956817]  ? ip_local_deliver+0x450/0x450
[   54.961160]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   54.966538]  ? find_held_lock+0x36/0x1d0
[   54.970631]  ? ip_local_deliver+0x450/0x450
[   54.974965]  __netif_receive_skb_one_core+0x16a/0x1c0
[   54.980184]  ? lock_acquire+0x200/0x960
[   54.984177]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   54.989384]  ? lock_release+0x950/0x950
[   54.993403]  ? process_backlog+0x3fe/0x700
[   54.997742]  __netif_receive_skb+0x1f/0x1b0
[   55.002081]  process_backlog+0x1f1/0x700
[   55.006294]  ? net_rx_action+0x236/0xe60
[   55.006330] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   55.010370]  net_rx_action+0x44c/0xe60
[   55.010386]  ? __kasan_check_read+0x11/0x20
[   55.010412]  ? napi_busy_loop+0x6e0/0x6e0
[   55.010433]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   55.010442]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   55.047384]  ? asm_call_on_stack+0x12/0x20
[   55.051622]  ? trace_hardirqs_on+0x31/0x190
[   55.055958]  __do_softirq+0x248/0x992
[   55.060051]  ? ip_finish_output2+0x6f4/0x21f0
[   55.064546]  asm_call_on_stack+0x12/0x20
[   55.068602]  </IRQ>
[   55.070825]  do_softirq_own_stack+0xf2/0x140
[   55.075215]  do_softirq.part.18+0x11a/0x150
[   55.079604]  __local_bh_enable_ip+0x1ee/0x230
[   55.084107]  ip_finish_output2+0x718/0x21f0
[   55.088432]  ? ip_frag_next+0xa10/0xa10
[   55.092387]  ? rcu_read_lock_held+0x9c/0xb0
[   55.096707]  ? rcu_read_lock_held_common+0xa0/0xa0
[   55.101622]  ? lock_downgrade+0x960/0x960
[   55.105759]  __ip_finish_output+0x401/0xa70
[   55.110070]  ip_finish_output+0x27/0x170
[   55.114122]  ip_output+0x1c6/0x560
[   55.117650]  ? ip_mc_output+0xd10/0xd10
[   55.121611]  ? __ip_finish_output+0xa70/0xa70
[   55.126084]  ? rcu_read_lock_held_common+0xa0/0xa0
[   55.131003]  ? rcu_read_lock_held+0x9c/0xb0
[   55.135484]  ip_local_out+0x7e/0x130
[   55.139186]  __ip_queue_xmit+0x700/0x1de0
[   55.143337]  ? __skb_checksum+0x7c0/0x7c0
[   55.147480]  ? skb_send_sock_locked+0x750/0x750
[   55.152136]  ? reqsk_fastopen_remove+0x560/0x560
[   55.156872]  ? dccp_insert_options+0x1e2/0xb30
[   55.161450]  ip_queue_xmit+0x45/0x70
[   55.165263]  dccp_transmit_skb+0xb80/0x12b0
[   55.169576]  ? skb_unlink+0x117/0x1a0
[   55.173369]  dccp_xmit_packet+0x1a0/0x580
[   55.177591]  dccp_write_xmit+0x128/0x180
[   55.181641]  dccp_sendmsg+0x68e/0xdb0
[   55.185450]  ? dccp_disconnect+0xb00/0xb00
[   55.189668]  ? aa_af_perm+0x240/0x240
[   55.193449]  ? rw_copy_check_uvector+0x66/0x3b0
[   55.198095]  ? __kasan_check_write+0x14/0x20
[   55.202503]  inet_sendmsg+0xbd/0xe0
[   55.206124]  ? inet_send_prepare+0x3a0/0x3a0
[   55.210531]  sock_sendmsg+0xdf/0x110
[   55.214258]  ____sys_sendmsg+0x6b4/0xb40
[   55.218399]  ? copy_msghdr_from_user+0xa3/0xf0
[   55.223040]  ? kernel_sendmsg+0x30/0x30
[   55.227007]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   55.232265]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   55.237533]  ___sys_sendmsg+0xe4/0x160
[   55.241595]  ? sendmsg_copy_msghdr+0x30/0x30
[   55.246002]  ? lock_downgrade+0x960/0x960
[   55.250138]  ? rcu_read_lock_held+0x9c/0xb0
[   55.254912]  ? rcu_read_lock_held_common+0xa0/0xa0
[   55.259860]  ? __fget_files+0x1c5/0x2e0
[   55.263849]  ? __fget_light+0x1b3/0x230
[   55.267808]  ? __fdget+0xe/0x10
[   55.271068]  ? sockfd_lookup_light+0x1c/0x150
[   55.275552]  __sys_sendmsg+0xdc/0x190
[   55.279342]  ? __sys_sendmsg_sock+0xa0/0xa0
[   55.283658]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   55.288480]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   55.293776]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   55.299127]  ? do_syscall_64+0x20/0xf0
[   55.303015]  __x64_sys_sendmsg+0x73/0xb0
[   55.307059]  do_syscall_64+0x6e/0xf0
[   55.310760]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   55.316126] RIP: 0033:0x452f89
[   55.319294] Code: Bad RIP value.
[   55.322638] RSP: 002b:00007f73b3819c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   55.330334] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   55.337593] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   55.345638] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   55.352886] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   55.360142] R13: 00000000ffffffff R14: 00007f73b381a6d4 R15: 0000000000000001
[   55.367443] CPU: 0 PID: 4146 Comm: syz-executor3 Not tainted 5.8.0-rc1-syzkaller #0
[   55.375292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.385807] Call Trace:
[   55.388396]  <IRQ>
[   55.390556]  dump_stack+0x136/0x187
[   55.394214]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   55.399513]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   55.404713]  ? dccp_parse_options+0x333/0x1000
[   55.409335]  dccp_deliver_input_to_ccids+0xcc/0x220
[   55.414631]  dccp_rcv_established+0x49/0x70
[   55.419050]  dccp_v4_do_rcv+0xf4/0x160
[   55.423043]  __sk_receive_skb+0x215/0x900
[   55.427223]  dccp_v4_rcv+0xc62/0x1da3
[   55.431179]  ip_protocol_deliver_rcu+0x516/0x6c0
[   55.435978]  ip_local_deliver_finish+0x1ee/0x2e0
[   55.440841]  ip_local_deliver+0x306/0x450
[   55.445003]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   55.449940]  ? lock_downgrade+0x960/0x960
[   55.455323]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   55.460283]  ip_rcv_finish+0xb0/0x170
[   55.464103]  ip_rcv+0xcb/0x2f0
[   55.467394]  ? ip_local_deliver+0x450/0x450
[   55.471729]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   55.477107]  ? find_held_lock+0x36/0x1d0
[   55.481189]  ? ip_local_deliver+0x450/0x450
[   55.485538]  __netif_receive_skb_one_core+0x16a/0x1c0
[   55.490822]  ? lock_acquire+0x200/0x960
[   55.494804]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   55.500010]  ? lock_release+0x950/0x950
[   55.505590]  ? process_backlog+0x3fe/0x700
[   55.509844]  __netif_receive_skb+0x1f/0x1b0
[   55.514212]  process_backlog+0x1f1/0x700
[   55.518294]  ? net_rx_action+0x236/0xe60
[   55.522398]  net_rx_action+0x44c/0xe60
[   55.526326]  ? __kasan_check_read+0x11/0x20
[   55.530866]  ? napi_busy_loop+0x6e0/0x6e0
[   55.535063]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   55.539915]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   55.545213]  ? asm_call_on_stack+0x12/0x20
[   55.549490]  ? trace_hardirqs_on+0x31/0x190
[   55.553844]  __do_softirq+0x248/0x992
[   55.555002] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   55.557669]  ? ip_finish_output2+0x6f4/0x21f0
[   55.557687]  asm_call_on_stack+0x12/0x20
[   55.557694]  </IRQ>
[   55.557705]  do_softirq_own_stack+0xf2/0x140
[   55.557717]  do_softirq.part.18+0x11a/0x150
[   55.557726]  __local_bh_enable_ip+0x1ee/0x230
[   55.557740]  ip_finish_output2+0x718/0x21f0
[   55.600069]  ? ip_frag_next+0xa10/0xa10
[   55.604025]  ? rcu_read_lock_held+0x9c/0xb0
[   55.608340]  ? rcu_read_lock_held_common+0xa0/0xa0
[   55.613260]  ? lock_downgrade+0x960/0x960
[   55.617755]  __ip_finish_output+0x401/0xa70
[   55.622068]  ip_finish_output+0x27/0x170
[   55.626123]  ip_output+0x1c6/0x560
[   55.629659]  ? ip_mc_output+0xd10/0xd10
[   55.633636]  ? __ip_finish_output+0xa70/0xa70
[   55.638237]  ? rcu_read_lock_held_common+0xa0/0xa0
[   55.643173]  ? rcu_read_lock_held+0x9c/0xb0
[   55.647491]  ip_local_out+0x7e/0x130
[   55.651221]  __ip_queue_xmit+0x700/0x1de0
[   55.655350]  ? __skb_checksum+0x7c0/0x7c0
[   55.659488]  ? skb_send_sock_locked+0x750/0x750
[   55.664142]  ? reqsk_fastopen_remove+0x560/0x560
[   55.668898]  ? dccp_insert_options+0x1e2/0xb30
[   55.673474]  ip_queue_xmit+0x45/0x70
[   55.677185]  dccp_transmit_skb+0xb80/0x12b0
[   55.681520]  ? skb_unlink+0x117/0x1a0
[   55.685314]  dccp_xmit_packet+0x1a0/0x580
[   55.689469]  dccp_write_xmit+0x128/0x180
[   55.693524]  dccp_sendmsg+0x68e/0xdb0
[   55.697337]  ? dccp_disconnect+0xb00/0xb00
[   55.701564]  ? aa_af_perm+0x240/0x240
[   55.705354]  ? rw_copy_check_uvector+0x66/0x3b0
[   55.710013]  ? __kasan_check_write+0x14/0x20
[   55.714439]  inet_sendmsg+0xbd/0xe0
[   55.718048]  ? inet_send_prepare+0x3a0/0x3a0
[   55.722435]  sock_sendmsg+0xdf/0x110
[   55.726149]  ____sys_sendmsg+0x6b4/0xb40
[   55.730210]  ? copy_msghdr_from_user+0xa3/0xf0
[   55.734775]  ? kernel_sendmsg+0x30/0x30
[   55.738737]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   55.744008]  ___sys_sendmsg+0xe4/0x160
[   55.747879]  ? sendmsg_copy_msghdr+0x30/0x30
[   55.752285]  ? lock_downgrade+0x960/0x960
[   55.756514]  ? rcu_read_lock_held+0x9c/0xb0
[   55.760835]  ? rcu_read_lock_held_common+0xa0/0xa0
[   55.765758]  ? __fget_files+0x1c5/0x2e0
[   55.769725]  ? __fget_light+0x1b3/0x230
[   55.773695]  ? __fdget+0xe/0x10
[   55.776976]  ? sockfd_lookup_light+0x1c/0x150
[   55.781498]  __sys_sendmsg+0xdc/0x190
[   55.785290]  ? __sys_sendmsg_sock+0xa0/0xa0
[   55.789601]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   55.794422]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   55.799725]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   55.805162]  ? do_syscall_64+0x20/0xf0
[   55.809038]  __x64_sys_sendmsg+0x73/0xb0
[   55.813110]  do_syscall_64+0x6e/0xf0
[   55.816830]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   55.822009] RIP: 0033:0x452f89
[   55.825178] Code: Bad RIP value.
[   55.828534] RSP: 002b:00007fd73c1a7c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   55.836223] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   55.843473] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   55.850722] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   55.857970] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   55.865219] R13: 00000000ffffffff R14: 00007fd73c1a86d4 R15: 0000000000000002
[   55.872516] CPU: 1 PID: 4173 Comm: syz-executor1 Not tainted 5.8.0-rc1-syzkaller #0
[   55.880751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.890104] Call Trace:
[   55.892686]  <IRQ>
[   55.895309]  dump_stack+0x136/0x187
[   55.898969]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   55.905138]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   55.909991]  ? dccp_parse_options+0x333/0x1000
[   55.914612]  dccp_deliver_input_to_ccids+0xcc/0x220
[   55.919636]  dccp_rcv_established+0x49/0x70
[   55.923987]  dccp_v4_do_rcv+0xf4/0x160
[   55.927896]  __sk_receive_skb+0x215/0x900
[   55.932076]  dccp_v4_rcv+0xc62/0x1da3
[   55.935945]  ip_protocol_deliver_rcu+0x516/0x6c0
[   55.940721]  ip_local_deliver_finish+0x1ee/0x2e0
[   55.945490]  ip_local_deliver+0x306/0x450
[   55.949650]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   55.954766]  ? lock_downgrade+0x960/0x960
[   55.958937]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   55.963896]  ip_rcv_finish+0xb0/0x170
[   55.967703]  ip_rcv+0xcb/0x2f0
[   55.970928]  ? ip_local_deliver+0x450/0x450
[   55.975262]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   55.980720]  ? find_held_lock+0x36/0x1d0
[   55.984796]  ? ip_local_deliver+0x450/0x450
[   55.984935] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   55.989139]  __netif_receive_skb_one_core+0x16a/0x1c0
[   55.989146]  ? lock_acquire+0x200/0x960
[   55.989158]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   55.989177]  ? lock_release+0x950/0x950
[   55.989194]  ? process_backlog+0x3fe/0x700
[   55.989213]  __netif_receive_skb+0x1f/0x1b0
[   55.989229]  process_backlog+0x1f1/0x700
[   55.989236]  ? net_rx_action+0x236/0xe60
[   55.989265]  net_rx_action+0x44c/0xe60
[   56.045262]  ? __kasan_check_read+0x11/0x20
[   56.049577]  ? napi_busy_loop+0x6e0/0x6e0
[   56.053718]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   56.058543]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   56.063801]  ? asm_call_on_stack+0x12/0x20
[   56.068020]  ? trace_hardirqs_on+0x31/0x190
[   56.072463]  __do_softirq+0x248/0x992
[   56.076275]  ? ip_finish_output2+0x6f4/0x21f0
[   56.080765]  asm_call_on_stack+0x12/0x20
[   56.084810]  </IRQ>
[   56.087035]  do_softirq_own_stack+0xf2/0x140
[   56.091443]  do_softirq.part.18+0x11a/0x150
[   56.095749]  __local_bh_enable_ip+0x1ee/0x230
[   56.100273]  ip_finish_output2+0x718/0x21f0
[   56.104590]  ? ip_frag_next+0xa10/0xa10
[   56.108553]  ? rcu_read_lock_held+0x9c/0xb0
[   56.112973]  ? rcu_read_lock_held_common+0xa0/0xa0
[   56.117889]  ? lock_downgrade+0x960/0x960
[   56.122360]  __ip_finish_output+0x401/0xa70
[   56.126693]  ip_finish_output+0x27/0x170
[   56.130829]  ip_output+0x1c6/0x560
[   56.134356]  ? ip_mc_output+0xd10/0xd10
[   56.138342]  ? __ip_finish_output+0xa70/0xa70
[   56.142823]  ? rcu_read_lock_held_common+0xa0/0xa0
[   56.147736]  ? rcu_read_lock_held+0x9c/0xb0
[   56.153563]  ip_local_out+0x7e/0x130
[   56.157267]  __ip_queue_xmit+0x700/0x1de0
[   56.161488]  ? __skb_checksum+0x7c0/0x7c0
[   56.165617]  ? skb_send_sock_locked+0x750/0x750
[   56.170280]  ? reqsk_fastopen_remove+0x560/0x560
[   56.175030]  ? dccp_insert_options+0x1e2/0xb30
[   56.179612]  ip_queue_xmit+0x45/0x70
[   56.183314]  dccp_transmit_skb+0xb80/0x12b0
[   56.187644]  ? skb_unlink+0x117/0x1a0
[   56.191635]  dccp_xmit_packet+0x1a0/0x580
[   56.195784]  dccp_write_xmit+0x128/0x180
[   56.199947]  dccp_sendmsg+0x68e/0xdb0
[   56.204018]  ? dccp_disconnect+0xb00/0xb00
[   56.208694]  ? aa_af_perm+0x240/0x240
[   56.212479]  ? rw_copy_check_uvector+0x66/0x3b0
[   56.217167]  ? __kasan_check_write+0x14/0x20
[   56.221609]  inet_sendmsg+0xbd/0xe0
[   56.226017]  ? inet_send_prepare+0x3a0/0x3a0
[   56.230426]  sock_sendmsg+0xdf/0x110
[   56.234138]  ____sys_sendmsg+0x6b4/0xb40
[   56.238571]  ? copy_msghdr_from_user+0xa3/0xf0
[   56.243578]  ? kernel_sendmsg+0x30/0x30
[   56.247669]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   56.253075]  ___sys_sendmsg+0xe4/0x160
[   56.257068]  ? sendmsg_copy_msghdr+0x30/0x30
[   56.262725]  ? lock_downgrade+0x960/0x960
[   56.266887]  ? rcu_read_lock_held+0x9c/0xb0
[   56.272602]  ? rcu_read_lock_held_common+0xa0/0xa0
[   56.277817]  ? __fget_files+0x1c5/0x2e0
[   56.281986]  ? __fget_light+0x1b3/0x230
[   56.285947]  ? __fdget+0xe/0x10
[   56.289234]  ? sockfd_lookup_light+0x1c/0x150
[   56.293756]  __sys_sendmsg+0xdc/0x190
[   56.298262]  ? __sys_sendmsg_sock+0xa0/0xa0
[   56.302678]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   56.307685]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   56.313075]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   56.318356]  ? do_syscall_64+0x20/0xf0
[   56.322332]  __x64_sys_sendmsg+0x73/0xb0
[   56.326989]  do_syscall_64+0x6e/0xf0
[   56.330800]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   56.335971] RIP: 0033:0x452f89
[   56.339159] Code: Bad RIP value.
[   56.342512] RSP: 002b:00007fdacbdfdc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   56.350214] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   56.357489] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   56.364888] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   56.372138] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   56.379393] R13: 00000000ffffffff R14: 00007fdacbdfe6d4 R15: 0000000000000002
[   56.387112] CPU: 0 PID: 4192 Comm: syz-executor3 Not tainted 5.8.0-rc1-syzkaller #0
[   56.394918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.404274] Call Trace:
[   56.409462]  <IRQ>
[   56.411613]  dump_stack+0x136/0x187
[   56.415276]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   56.420685]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   56.425444]  ? dccp_parse_options+0x333/0x1000
[   56.430135]  dccp_deliver_input_to_ccids+0xcc/0x220
[   56.435193]  dccp_rcv_established+0x49/0x70
[   56.439518]  dccp_v4_do_rcv+0xf4/0x160
[   56.443414]  __sk_receive_skb+0x215/0x900
[   56.447585]  dccp_v4_rcv+0xc62/0x1da3
[   56.451428]  ip_protocol_deliver_rcu+0x516/0x6c0
[   56.459271] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   56.460716]  ip_local_deliver_finish+0x1ee/0x2e0
[   56.460731]  ip_local_deliver+0x306/0x450
[   56.483873]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   56.488871]  ? lock_downgrade+0x960/0x960
[   56.493005]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   56.497937]  ip_rcv_finish+0xb0/0x170
[   56.501737]  ip_rcv+0xcb/0x2f0
[   56.505299]  ? ip_local_deliver+0x450/0x450
[   56.509878]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   56.515438]  ? find_held_lock+0x36/0x1d0
[   56.528715]  ? ip_local_deliver+0x450/0x450
[   56.533131]  __netif_receive_skb_one_core+0x16a/0x1c0
[   56.538827]  ? lock_acquire+0x200/0x960
[   56.543134]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   56.548580]  ? lock_release+0x950/0x950
[   56.554119]  ? process_backlog+0x3fe/0x700
[   56.558357]  __netif_receive_skb+0x1f/0x1b0
[   56.562760]  process_backlog+0x1f1/0x700
[   56.566816]  ? net_rx_action+0x236/0xe60
[   56.571060]  net_rx_action+0x44c/0xe60
[   56.574949]  ? __kasan_check_read+0x11/0x20
[   56.579282]  ? napi_busy_loop+0x6e0/0x6e0
[   56.583420]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   56.588247]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   56.593616]  ? asm_call_on_stack+0x12/0x20
[   56.598077]  ? trace_hardirqs_on+0x31/0x190
[   56.602475]  __do_softirq+0x248/0x992
[   56.606534]  ? ip_finish_output2+0x6f4/0x21f0
[   56.611189]  asm_call_on_stack+0x12/0x20
[   56.615403]  </IRQ>
[   56.617624]  do_softirq_own_stack+0xf2/0x140
[   56.622193]  do_softirq.part.18+0x11a/0x150
[   56.626613]  __local_bh_enable_ip+0x1ee/0x230
[   56.631094]  ip_finish_output2+0x718/0x21f0
[   56.635421]  ? ip_frag_next+0xa10/0xa10
[   56.639462]  ? rcu_read_lock_held+0x9c/0xb0
[   56.643766]  ? rcu_read_lock_held_common+0xa0/0xa0
[   56.649115]  ? lock_downgrade+0x960/0x960
[   56.653256]  __ip_finish_output+0x401/0xa70
[   56.657570]  ip_finish_output+0x27/0x170
[   56.661634]  ip_output+0x1c6/0x560
[   56.665188]  ? ip_mc_output+0xd10/0xd10
[   56.669185]  ? __ip_finish_output+0xa70/0xa70
[   56.673674]  ? rcu_read_lock_held_common+0xa0/0xa0
[   56.678761]  ? rcu_read_lock_held+0x9c/0xb0
[   56.683247]  ip_local_out+0x7e/0x130
[   56.687520]  __ip_queue_xmit+0x700/0x1de0
[   56.691648]  ? __skb_checksum+0x7c0/0x7c0
[   56.695783]  ? skb_send_sock_locked+0x750/0x750
[   56.700533]  ? reqsk_fastopen_remove+0x560/0x560
[   56.705282]  ? dccp_insert_options+0x1e2/0xb30
[   56.709860]  ip_queue_xmit+0x45/0x70
[   56.713820]  dccp_transmit_skb+0xb80/0x12b0
[   56.718123]  ? skb_unlink+0x117/0x1a0
[   56.721924]  dccp_xmit_packet+0x1a0/0x580
[   56.726063]  dccp_write_xmit+0x128/0x180
[   56.731854]  dccp_sendmsg+0x68e/0xdb0
[   56.736099]  ? dccp_disconnect+0xb00/0xb00
[   56.740332]  ? aa_af_perm+0x240/0x240
[   56.745180]  ? rw_copy_check_uvector+0x66/0x3b0
[   56.749836]  ? __kasan_check_write+0x14/0x20
[   56.754245]  inet_sendmsg+0xbd/0xe0
[   56.762224]  ? inet_send_prepare+0x3a0/0x3a0
[   56.766631]  sock_sendmsg+0xdf/0x110
[   56.770341]  ____sys_sendmsg+0x6b4/0xb40
[   56.774391]  ? copy_msghdr_from_user+0xa3/0xf0
[   56.779665]  ? kernel_sendmsg+0x30/0x30
[   56.783629]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   56.788918]  ___sys_sendmsg+0xe4/0x160
[   56.792879]  ? sendmsg_copy_msghdr+0x30/0x30
[   56.797279]  ? lock_downgrade+0x960/0x960
[   56.801521]  ? rcu_read_lock_held+0x9c/0xb0
[   56.807286]  ? rcu_read_lock_held_common+0xa0/0xa0
[   56.812212]  ? __fget_files+0x1c5/0x2e0
[   56.816200]  ? __fget_light+0x1b3/0x230
[   56.820163]  ? __fdget+0xe/0x10
[   56.823522]  ? sockfd_lookup_light+0x1c/0x150
[   56.828008]  __sys_sendmsg+0xdc/0x190
[   56.831795]  ? __sys_sendmsg_sock+0xa0/0xa0
[   56.836115]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   56.840948]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   56.846235]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   56.851500]  ? do_syscall_64+0x20/0xf0
[   56.855594]  __x64_sys_sendmsg+0x73/0xb0
[   56.860428]  do_syscall_64+0x6e/0xf0
[   56.864258]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   56.869708] RIP: 0033:0x452f89
[   56.872899] Code: Bad RIP value.
[   56.876606] RSP: 002b:00007fd73c1a7c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   56.884294] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   56.891645] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   56.899267] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   56.906629] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   56.916484] R13: 00000000ffffffff R14: 00007fd73c1a86d4 R15: 0000000000000002
[   56.924009] CPU: 1 PID: 4190 Comm: syz-executor4 Not tainted 5.8.0-rc1-syzkaller #0
[   56.932602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.943681] Call Trace:
[   56.946373]  <IRQ>
[   56.948508]  dump_stack+0x136/0x187
[   56.952621]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   56.957801]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   56.962546]  ? dccp_parse_options+0x333/0x1000
[   56.967132]  dccp_deliver_input_to_ccids+0xcc/0x220
[   56.972136]  dccp_rcv_established+0x49/0x70
[   56.976448]  dccp_v4_do_rcv+0xf4/0x160
[   56.980330]  __sk_receive_skb+0x215/0x900
[   56.984470]  dccp_v4_rcv+0xc62/0x1da3
[   56.988293]  ip_protocol_deliver_rcu+0x516/0x6c0
[   56.993054]  ip_local_deliver_finish+0x1ee/0x2e0
[   56.997810]  ip_local_deliver+0x306/0x450
[   57.001951]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   57.006858]  ? lock_downgrade+0x960/0x960
[   57.010990]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   57.015928]  ip_rcv_finish+0xb0/0x170
[   57.019709]  ip_rcv+0xcb/0x2f0
[   57.023678]  ? ip_local_deliver+0x450/0x450
[   57.027988]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   57.033345]  ? find_held_lock+0x36/0x1d0
[   57.037414]  ? ip_local_deliver+0x450/0x450
[   57.041714]  __netif_receive_skb_one_core+0x16a/0x1c0
[   57.046882]  ? lock_acquire+0x200/0x960
[   57.050834]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   57.056023]  ? lock_release+0x950/0x950
[   57.059991]  ? process_backlog+0x3fe/0x700
[   57.064211]  __netif_receive_skb+0x1f/0x1b0
[   57.068514]  process_backlog+0x1f1/0x700
[   57.072566]  ? net_rx_action+0x236/0xe60
[   57.076619]  net_rx_action+0x44c/0xe60
[   57.080502]  ? __kasan_check_read+0x11/0x20
[   57.084810]  ? napi_busy_loop+0x6e0/0x6e0
[   57.089068]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   57.093917]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   57.099190]  ? asm_call_on_stack+0x12/0x20
[   57.103407]  ? trace_hardirqs_on+0x31/0x190
[   57.107721]  __do_softirq+0x248/0x992
[   57.111760]  ? ip_finish_output2+0x6f4/0x21f0
[   57.116243]  asm_call_on_stack+0x12/0x20
[   57.120304]  </IRQ>
[   57.122522]  do_softirq_own_stack+0xf2/0x140
[   57.127104]  do_softirq.part.18+0x11a/0x150
[   57.131416]  __local_bh_enable_ip+0x1ee/0x230
[   57.136208]  ip_finish_output2+0x718/0x21f0
[   57.140533]  ? ip_frag_next+0xa10/0xa10
[   57.144492]  ? rcu_read_lock_held+0x9c/0xb0
[   57.148813]  ? rcu_read_lock_held_common+0xa0/0xa0
[   57.153722]  ? lock_downgrade+0x960/0x960
[   57.157868]  __ip_finish_output+0x401/0xa70
[   57.163239]  ip_finish_output+0x27/0x170
[   57.167300]  ip_output+0x1c6/0x560
[   57.170835]  ? ip_mc_output+0xd10/0xd10
[   57.175053]  ? __ip_finish_output+0xa70/0xa70
[   57.179525]  ? rcu_read_lock_held_common+0xa0/0xa0
[   57.184435]  ? rcu_read_lock_held+0x9c/0xb0
[   57.188743]  ip_local_out+0x7e/0x130
[   57.192442]  __ip_queue_xmit+0x700/0x1de0
[   57.196569]  ? __skb_checksum+0x7c0/0x7c0
[   57.200703]  ? skb_send_sock_locked+0x750/0x750
[   57.205360]  ? reqsk_fastopen_remove+0x560/0x560
[   57.210123]  ? dccp_insert_options+0x1e2/0xb30
[   57.214708]  ip_queue_xmit+0x45/0x70
[   57.218416]  dccp_transmit_skb+0xb80/0x12b0
[   57.222715]  ? skb_unlink+0x117/0x1a0
[   57.226521]  dccp_xmit_packet+0x1a0/0x580
[   57.230659]  dccp_write_xmit+0x128/0x180
[   57.234776]  dccp_sendmsg+0x68e/0xdb0
[   57.238579]  ? dccp_disconnect+0xb00/0xb00
[   57.242804]  ? aa_af_perm+0x240/0x240
[   57.246592]  ? rw_copy_check_uvector+0x66/0x3b0
[   57.251237]  ? __kasan_check_write+0x14/0x20
[   57.255662]  inet_sendmsg+0xbd/0xe0
[   57.259283]  ? inet_send_prepare+0x3a0/0x3a0
[   57.263670]  sock_sendmsg+0xdf/0x110
[   57.267368]  ____sys_sendmsg+0x6b4/0xb40
[   57.271413]  ? copy_msghdr_from_user+0xa3/0xf0
[   57.275976]  ? kernel_sendmsg+0x30/0x30
[   57.279939]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   57.285223]  ? mark_lock+0xbf/0x630
[   57.288838]  ___sys_sendmsg+0xe4/0x160
[   57.292712]  ? sendmsg_copy_msghdr+0x30/0x30
[   57.297116]  ? lock_downgrade+0x960/0x960
[   57.301251]  ? rcu_read_lock_held+0x9c/0xb0
[   57.306159]  ? rcu_read_lock_held_common+0xa0/0xa0
[   57.311092]  ? __fget_files+0x1c5/0x2e0
[   57.315062]  ? __fget_light+0x1b3/0x230
[   57.319021]  ? __fdget+0xe/0x10
[   57.322300]  ? sockfd_lookup_light+0x1c/0x150
[   57.326779]  __sys_sendmsg+0xdc/0x190
[   57.330560]  ? __sys_sendmsg_sock+0xa0/0xa0
[   57.334878]  ? lapic_next_event+0x5a/0x90
[   57.339036]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   57.344301]  ? do_syscall_64+0x20/0xf0
[   57.348187]  __x64_sys_sendmsg+0x73/0xb0
[   57.352235]  do_syscall_64+0x6e/0xf0
[   57.355928]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   57.361121] RIP: 0033:0x452f89
[   57.364339] Code: Bad RIP value.
[   57.367694] RSP: 002b:00007f73b3819c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   57.375397] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   57.382647] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   57.389906] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   57.397155] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   57.404417] R13: 00000000ffffffff R14: 00007f73b381a6d4 R15: 0000000000000002
[   57.605196] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   57.618510] CPU: 0 PID: 4231 Comm: syz-executor2 Not tainted 5.8.0-rc1-syzkaller #0
[   57.626328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.635687] Call Trace:
[   57.638286]  <IRQ>
[   57.640454]  dump_stack+0x136/0x187
[   57.644103]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   57.649309]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   57.654078]  ? dccp_parse_options+0x333/0x1000
[   57.658687]  dccp_deliver_input_to_ccids+0xcc/0x220
[   57.663717]  dccp_rcv_established+0x49/0x70
[   57.668144]  dccp_v4_do_rcv+0xf4/0x160
[   57.672056]  __sk_receive_skb+0x215/0x900
[   57.676228]  dccp_v4_rcv+0xc62/0x1da3
[   57.680597]  ip_protocol_deliver_rcu+0x516/0x6c0
[   57.685375]  ip_local_deliver_finish+0x1ee/0x2e0
[   57.689819] net_ratelimit: 35 callbacks suppressed
[   57.689823] dccp_close: ABORT with 24 bytes unread
[   57.690919]  ip_local_deliver+0x306/0x450
[   57.690935]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   57.690942]  ? lock_downgrade+0x960/0x960
[   57.690960]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   57.690986]  ip_rcv_finish+0xb0/0x170
[   57.690999]  ip_rcv+0xcb/0x2f0
[   57.691013]  ? ip_local_deliver+0x450/0x450
[   57.691030]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   57.691041]  ? find_held_lock+0x36/0x1d0
[   57.691056]  ? ip_local_deliver+0x450/0x450
[   57.698625] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   57.700886]  __netif_receive_skb_one_core+0x16a/0x1c0
[   57.700894]  ? lock_acquire+0x200/0x960
[   57.700905]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   57.700925]  ? lock_release+0x950/0x950
[   57.700943]  ? process_backlog+0x3fe/0x700
[   57.700962]  __netif_receive_skb+0x1f/0x1b0
[   57.700976]  process_backlog+0x1f1/0x700
[   57.700983]  ? net_rx_action+0x236/0xe60
[   57.791959]  net_rx_action+0x44c/0xe60
[   57.795841]  ? __kasan_check_read+0x11/0x20
[   57.800164]  ? napi_busy_loop+0x6e0/0x6e0
[   57.804312]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   57.809138]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   57.816411]  ? asm_call_on_stack+0x12/0x20
[   57.820646]  ? trace_hardirqs_on+0x31/0x190
[   57.824967]  __do_softirq+0x248/0x992
[   57.828763]  ? ip_finish_output2+0x6f4/0x21f0
[   57.833242]  asm_call_on_stack+0x12/0x20
[   57.837282]  </IRQ>
[   57.839509]  do_softirq_own_stack+0xf2/0x140
[   57.843909]  do_softirq.part.18+0x11a/0x150
[   57.848222]  __local_bh_enable_ip+0x1ee/0x230
[   57.852723]  ip_finish_output2+0x718/0x21f0
[   57.857045]  ? ip_frag_next+0xa10/0xa10
[   57.861011]  ? rcu_read_lock_held+0x9c/0xb0
[   57.865315]  ? rcu_read_lock_held_common+0xa0/0xa0
[   57.870232]  ? lock_downgrade+0x960/0x960
[   57.874388]  __ip_finish_output+0x401/0xa70
[   57.878713]  ip_finish_output+0x27/0x170
[   57.882766]  ip_output+0x1c6/0x560
[   57.886292]  ? ip_mc_output+0xd10/0xd10
[   57.890255]  ? __ip_finish_output+0xa70/0xa70
[   57.894728]  ? rcu_read_lock_held_common+0xa0/0xa0
[   57.899638]  ? rcu_read_lock_held+0x9c/0xb0
[   57.903951]  ip_local_out+0x7e/0x130
[   57.907658]  __ip_queue_xmit+0x700/0x1de0
[   57.911802]  ? __skb_checksum+0x7c0/0x7c0
[   57.915928]  ? skb_send_sock_locked+0x750/0x750
[   57.920583]  ? reqsk_fastopen_remove+0x560/0x560
[   57.925320]  ? dccp_insert_options+0x1e2/0xb30
[   57.930591]  ip_queue_xmit+0x45/0x70
[   57.934306]  dccp_transmit_skb+0xb80/0x12b0
[   57.938617]  ? skb_unlink+0x117/0x1a0
[   57.942446]  dccp_xmit_packet+0x1a0/0x580
[   57.946583]  dccp_write_xmit+0x128/0x180
[   57.950635]  dccp_sendmsg+0x68e/0xdb0
[   57.954442]  ? dccp_disconnect+0xb00/0xb00
[   57.958662]  ? aa_af_perm+0x240/0x240
[   57.962461]  ? rw_copy_check_uvector+0x66/0x3b0
[   57.967112]  ? __kasan_check_write+0x14/0x20
[   57.971526]  inet_sendmsg+0xbd/0xe0
[   57.975137]  ? inet_send_prepare+0x3a0/0x3a0
[   57.979539]  sock_sendmsg+0xdf/0x110
[   57.983326]  ____sys_sendmsg+0x6b4/0xb40
[   57.987375]  ? copy_msghdr_from_user+0xa3/0xf0
[   57.991940]  ? kernel_sendmsg+0x30/0x30
[   57.995907]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   58.001277]  ___sys_sendmsg+0xe4/0x160
[   58.005166]  ? sendmsg_copy_msghdr+0x30/0x30
[   58.009576]  ? lock_downgrade+0x960/0x960
[   58.013720]  ? rcu_read_lock_held+0x9c/0xb0
[   58.018035]  ? rcu_read_lock_held_common+0xa0/0xa0
[   58.022967]  ? __fget_files+0x1c5/0x2e0
[   58.026957]  ? __fget_light+0x1b3/0x230
[   58.030938]  ? __fdget+0xe/0x10
[   58.034298]  ? sockfd_lookup_light+0x1c/0x150
[   58.038782]  __sys_sendmsg+0xdc/0x190
[   58.042583]  ? __sys_sendmsg_sock+0xa0/0xa0
[   58.046896]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   58.051759]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   58.057221]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   58.062487]  ? do_syscall_64+0x20/0xf0
[   58.066381]  __x64_sys_sendmsg+0x73/0xb0
[   58.071309]  do_syscall_64+0x6e/0xf0
[   58.075753]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   58.080937] RIP: 0033:0x452f89
[   58.084111] Code: Bad RIP value.
[   58.087473] RSP: 002b:00007f003160bc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   58.095175] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   58.102429] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   58.109770] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   58.117022] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   58.124710] R13: 00000000ffffffff R14: 00007f003160c6d4 R15: 0000000000000002
[   58.132293] CPU: 1 PID: 4249 Comm: syz-executor1 Not tainted 5.8.0-rc1-syzkaller #0
[   58.140097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   58.149455] Call Trace:
[   58.152068]  <IRQ>
[   58.154229]  dump_stack+0x136/0x187
[   58.157886]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   58.163270]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   58.168044]  ? dccp_parse_options+0x333/0x1000
[   58.172836]  dccp_deliver_input_to_ccids+0xcc/0x220
[   58.177867]  dccp_rcv_established+0x49/0x70
[   58.182197]  dccp_v4_do_rcv+0xf4/0x160
[   58.186098]  __sk_receive_skb+0x215/0x900
[   58.189762] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   58.190260]  dccp_v4_rcv+0xc62/0x1da3
[   58.190308]  ip_protocol_deliver_rcu+0x516/0x6c0
[   58.212740]  ip_local_deliver_finish+0x1ee/0x2e0
[   58.217509]  ip_local_deliver+0x306/0x450
[   58.222085]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   58.227014]  ? lock_downgrade+0x960/0x960
[   58.231153]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   58.236113]  ip_rcv_finish+0xb0/0x170
[   58.239925]  ip_rcv+0xcb/0x2f0
[   58.248130]  ? ip_local_deliver+0x450/0x450
[   58.252457]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   58.260521]  ? find_held_lock+0x36/0x1d0
[   58.264571]  ? ip_local_deliver+0x450/0x450
[   58.268964]  __netif_receive_skb_one_core+0x16a/0x1c0
[   58.274239]  ? lock_acquire+0x200/0x960
[   58.278219]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   58.283397]  ? lock_release+0x950/0x950
[   58.287391]  ? process_backlog+0x3fe/0x700
[   58.291631]  __netif_receive_skb+0x1f/0x1b0
[   58.296031]  process_backlog+0x1f1/0x700
[   58.300119]  ? net_rx_action+0x236/0xe60
[   58.304401]  net_rx_action+0x44c/0xe60
[   58.308277]  ? __kasan_check_read+0x11/0x20
[   58.312592]  ? napi_busy_loop+0x6e0/0x6e0
[   58.316746]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   58.321584]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   58.326844]  ? asm_call_on_stack+0x12/0x20
[   58.331236]  ? trace_hardirqs_on+0x31/0x190
[   58.335903]  __do_softirq+0x248/0x992
[   58.339702]  ? ip_finish_output2+0x6f4/0x21f0
[   58.344184]  asm_call_on_stack+0x12/0x20
[   58.348316]  </IRQ>
[   58.350537]  do_softirq_own_stack+0xf2/0x140
[   58.357620]  do_softirq.part.18+0x11a/0x150
[   58.362039]  __local_bh_enable_ip+0x1ee/0x230
[   58.366521]  ip_finish_output2+0x718/0x21f0
[   58.370839]  ? ip_frag_next+0xa10/0xa10
[   58.374791]  ? rcu_read_lock_held+0x9c/0xb0
[   58.379098]  ? rcu_read_lock_held_common+0xa0/0xa0
[   58.384037]  ? lock_downgrade+0x960/0x960
[   58.388179]  __ip_finish_output+0x401/0xa70
[   58.392492]  ip_finish_output+0x27/0x170
[   58.396540]  ip_output+0x1c6/0x560
[   58.401112]  ? ip_mc_output+0xd10/0xd10
[   58.405423]  ? __ip_finish_output+0xa70/0xa70
[   58.410764]  ? rcu_read_lock_held_common+0xa0/0xa0
[   58.415957]  ? rcu_read_lock_held+0x9c/0xb0
[   58.420269]  ip_local_out+0x7e/0x130
[   58.423992]  __ip_queue_xmit+0x700/0x1de0
[   58.428137]  ? __skb_checksum+0x7c0/0x7c0
[   58.432266]  ? skb_send_sock_locked+0x750/0x750
[   58.436928]  ? reqsk_fastopen_remove+0x560/0x560
[   58.441839]  ? dccp_insert_options+0x1e2/0xb30
[   58.446415]  ip_queue_xmit+0x45/0x70
[   58.450132]  dccp_transmit_skb+0xb80/0x12b0
[   58.454435]  ? skb_unlink+0x117/0x1a0
[   58.458231]  dccp_xmit_packet+0x1a0/0x580
[   58.462370]  dccp_write_xmit+0x128/0x180
[   58.466422]  dccp_sendmsg+0x68e/0xdb0
[   58.470220]  ? dccp_disconnect+0xb00/0xb00
[   58.474440]  ? aa_af_perm+0x240/0x240
[   58.478320]  ? rw_copy_check_uvector+0x66/0x3b0
[   58.484098]  ? __kasan_check_write+0x14/0x20
[   58.488529]  inet_sendmsg+0xbd/0xe0
[   58.492142]  ? inet_send_prepare+0x3a0/0x3a0
[   58.496618]  sock_sendmsg+0xdf/0x110
[   58.500319]  ____sys_sendmsg+0x6b4/0xb40
[   58.504381]  ? copy_msghdr_from_user+0xa3/0xf0
[   58.508945]  ? kernel_sendmsg+0x30/0x30
[   58.512925]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   58.518216]  ___sys_sendmsg+0xe4/0x160
[   58.522177]  ? sendmsg_copy_msghdr+0x30/0x30
[   58.526600]  ? lock_downgrade+0x960/0x960
[   58.530746]  ? rcu_read_lock_held+0x9c/0xb0
[   58.535066]  ? rcu_read_lock_held_common+0xa0/0xa0
[   58.540003]  ? __fget_files+0x1c5/0x2e0
[   58.544163]  ? __fget_light+0x1b3/0x230
[   58.548307]  ? __fdget+0xe/0x10
[   58.553930]  ? sockfd_lookup_light+0x1c/0x150
[   58.558417]  __sys_sendmsg+0xdc/0x190
[   58.562202]  ? __sys_sendmsg_sock+0xa0/0xa0
[   58.566506]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   58.571777]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   58.577065]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   58.582343]  ? do_syscall_64+0x20/0xf0
[   58.586232]  __x64_sys_sendmsg+0x73/0xb0
[   58.590302]  do_syscall_64+0x6e/0xf0
[   58.594001]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   58.599174] RIP: 0033:0x452f89
[   58.602367] Code: Bad RIP value.
[   58.605911] RSP: 002b:00007fdacbdfdc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   58.614298] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   58.623994] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   58.631771] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   58.639645] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   58.646896] R13: 00000000ffffffff R14: 00007fdacbdfe6d4 R15: 0000000000000002
[   58.654269] CPU: 0 PID: 4260 Comm: syz-executor5 Not tainted 5.8.0-rc1-syzkaller #0
[   58.661640] dccp_close: ABORT with 24 bytes unread
[   58.662063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   58.662068] Call Trace:
[   58.662072]  <IRQ>
[   58.662086]  dump_stack+0x136/0x187
[   58.662110]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   58.690083]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   58.695290]  ? dccp_parse_options+0x333/0x1000
[   58.699993]  dccp_deliver_input_to_ccids+0xcc/0x220
[   58.708144]  dccp_rcv_established+0x49/0x70
[   58.712473]  dccp_v4_do_rcv+0xf4/0x160
[   58.716376]  __sk_receive_skb+0x215/0x900
[   58.720639]  dccp_v4_rcv+0xc62/0x1da3
[   58.724503]  ip_protocol_deliver_rcu+0x516/0x6c0
[   58.725095] dccp_close: ABORT with 24 bytes unread
[   58.729271]  ip_local_deliver_finish+0x1ee/0x2e0
[   58.729291]  ip_local_deliver+0x306/0x450
[   58.729304]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   58.729311]  ? lock_downgrade+0x960/0x960
[   58.729326]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   58.729351]  ip_rcv_finish+0xb0/0x170
[   58.761440]  ip_rcv+0xcb/0x2f0
[   58.764745]  ? ip_local_deliver+0x450/0x450
[   58.770167]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   58.775547]  ? find_held_lock+0x36/0x1d0
[   58.779626]  ? ip_local_deliver+0x450/0x450
[   58.784067]  __netif_receive_skb_one_core+0x16a/0x1c0
[   58.791527]  ? lock_acquire+0x200/0x960
[   58.810276]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   58.815579]  ? lock_release+0x950/0x950
[   58.818343] dccp_close: ABORT with 24 bytes unread
[   58.819568]  ? process_backlog+0x3fe/0x700
[   58.819589]  __netif_receive_skb+0x1f/0x1b0
[   58.819605]  process_backlog+0x1f1/0x700
[   58.819613]  ? net_rx_action+0x236/0xe60
[   58.819644]  net_rx_action+0x44c/0xe60
[   58.819659]  ? __kasan_check_read+0x11/0x20
[   58.819678]  ? napi_busy_loop+0x6e0/0x6e0
[   58.851739] dccp_close: ABORT with 24 bytes unread
[   58.853610]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   58.853621]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   58.853630]  ? asm_call_on_stack+0x12/0x20
[   58.853643]  ? trace_hardirqs_on+0x31/0x190
[   58.853662]  __do_softirq+0x248/0x992
[   58.853689]  ? ip_finish_output2+0x6f4/0x21f0
[   58.863219] dccp_close: ABORT with 24 bytes unread
[   58.864958]  asm_call_on_stack+0x12/0x20
[   58.864966]  </IRQ>
[   58.864977]  do_softirq_own_stack+0xf2/0x140
[   58.864989]  do_softirq.part.18+0x11a/0x150
[   58.864998]  __local_bh_enable_ip+0x1ee/0x230
[   58.865014]  ip_finish_output2+0x718/0x21f0
[   58.865036]  ? ip_frag_next+0xa10/0xa10
[   58.876284] dccp_close: ABORT with 24 bytes unread
[   58.876812]  ? rcu_read_lock_held+0x9c/0xb0
[   58.876824]  ? rcu_read_lock_held_common+0xa0/0xa0
[   58.876835]  ? lock_downgrade+0x960/0x960
[   58.876860]  __ip_finish_output+0x401/0xa70
[   58.876880]  ip_finish_output+0x27/0x170
[   58.954383]  ip_output+0x1c6/0x560
[   58.956867] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   58.957936]  ? ip_mc_output+0xd10/0xd10
[   58.957955]  ? __ip_finish_output+0xa70/0xa70
[   58.957963]  ? rcu_read_lock_held_common+0xa0/0xa0
[   58.957975]  ? rcu_read_lock_held+0x9c/0xb0
[   58.957995]  ip_local_out+0x7e/0x130
[   58.958014]  __ip_queue_xmit+0x700/0x1de0
[   58.958022]  ? __skb_checksum+0x7c0/0x7c0
[   58.958029]  ? skb_send_sock_locked+0x750/0x750
[   59.008414]  ? reqsk_fastopen_remove+0x560/0x560
[   59.013177]  ? dccp_insert_options+0x1e2/0xb30
[   59.017753]  ip_queue_xmit+0x45/0x70
[   59.021543]  dccp_transmit_skb+0xb80/0x12b0
[   59.025860]  ? skb_unlink+0x117/0x1a0
[   59.029684]  dccp_xmit_packet+0x1a0/0x580
[   59.033841]  dccp_write_xmit+0x128/0x180
[   59.038001]  dccp_sendmsg+0x68e/0xdb0
[   59.041830]  ? dccp_disconnect+0xb00/0xb00
[   59.046050]  ? aa_af_perm+0x240/0x240
[   59.049833]  ? rw_copy_check_uvector+0x66/0x3b0
[   59.054504]  ? __kasan_check_write+0x14/0x20
[   59.058942]  inet_sendmsg+0xbd/0xe0
[   59.062584]  ? inet_send_prepare+0x3a0/0x3a0
[   59.066977]  sock_sendmsg+0xdf/0x110
[   59.070957]  ____sys_sendmsg+0x6b4/0xb40
[   59.075010]  ? copy_msghdr_from_user+0xa3/0xf0
[   59.079577]  ? kernel_sendmsg+0x30/0x30
[   59.083565]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   59.088863]  ___sys_sendmsg+0xe4/0x160
[   59.092813]  ? sendmsg_copy_msghdr+0x30/0x30
[   59.097237]  ? lock_downgrade+0x960/0x960
[   59.101393]  ? rcu_read_lock_held+0x9c/0xb0
[   59.109345]  ? rcu_read_lock_held_common+0xa0/0xa0
[   59.115249]  ? __fget_files+0x1c5/0x2e0
[   59.119233]  ? __fget_light+0x1b3/0x230
[   59.123199]  ? __fdget+0xe/0x10
[   59.126477]  ? sockfd_lookup_light+0x1c/0x150
[   59.130969]  __sys_sendmsg+0xdc/0x190
[   59.134761]  ? __sys_sendmsg_sock+0xa0/0xa0
[   59.139155]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   59.144000]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   59.150245]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   59.157001]  ? do_syscall_64+0x20/0xf0
[   59.160996]  __x64_sys_sendmsg+0x73/0xb0
[   59.165045]  do_syscall_64+0x6e/0xf0
[   59.168760]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   59.173930] RIP: 0033:0x452f89
[   59.177118] Code: Bad RIP value.
[   59.180552] RSP: 002b:00007fa882c97c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   59.188340] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   59.195608] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   59.202875] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   59.210129] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   59.217555] R13: 00000000ffffffff R14: 00007fa882c986d4 R15: 0000000000000002
[   59.224846] CPU: 1 PID: 4297 Comm: syz-executor4 Not tainted 5.8.0-rc1-syzkaller #0
[   59.230760] dccp_close: ABORT with 24 bytes unread
[   59.232645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   59.232649] Call Trace:
[   59.232653]  <IRQ>
[   59.232666]  dump_stack+0x136/0x187
[   59.232690]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   59.232712]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   59.232718]  ? dccp_parse_options+0x333/0x1000
[   59.232740]  dccp_deliver_input_to_ccids+0xcc/0x220
[   59.238797] dccp_close: ABORT with 24 bytes unread
[   59.247011]  dccp_rcv_established+0x49/0x70
[   59.247023]  dccp_v4_do_rcv+0xf4/0x160
[   59.247040]  __sk_receive_skb+0x215/0x900
[   59.247066]  dccp_v4_rcv+0xc62/0x1da3
[   59.247106]  ip_protocol_deliver_rcu+0x516/0x6c0
[   59.276158] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   59.280076]  ip_local_deliver_finish+0x1ee/0x2e0
[   59.280094]  ip_local_deliver+0x306/0x450
[   59.280109]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   59.280116]  ? lock_downgrade+0x960/0x960
[   59.280133]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   59.280159]  ip_rcv_finish+0xb0/0x170
[   59.340735]  ip_rcv+0xcb/0x2f0
[   59.343916]  ? ip_local_deliver+0x450/0x450
[   59.348226]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   59.353591]  ? find_held_lock+0x36/0x1d0
[   59.357639]  ? ip_local_deliver+0x450/0x450
[   59.361954]  __netif_receive_skb_one_core+0x16a/0x1c0
[   59.367213]  ? lock_acquire+0x200/0x960
[   59.371183]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   59.376360]  ? lock_release+0x950/0x950
[   59.380327]  ? process_backlog+0x3fe/0x700
[   59.384559]  __netif_receive_skb+0x1f/0x1b0
[   59.388867]  process_backlog+0x1f1/0x700
[   59.392921]  ? net_rx_action+0x236/0xe60
[   59.396993]  net_rx_action+0x44c/0xe60
[   59.400876]  ? __kasan_check_read+0x11/0x20
[   59.405188]  ? napi_busy_loop+0x6e0/0x6e0
[   59.409338]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   59.414517]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   59.419798]  ? asm_call_on_stack+0x12/0x20
[   59.424015]  ? trace_hardirqs_on+0x31/0x190
[   59.428338]  __do_softirq+0x248/0x992
[   59.432144]  ? ip_finish_output2+0x6f4/0x21f0
[   59.436627]  asm_call_on_stack+0x12/0x20
[   59.440673]  </IRQ>
[   59.442934]  do_softirq_own_stack+0xf2/0x140
[   59.447335]  do_softirq.part.18+0x11a/0x150
[   59.451652]  __local_bh_enable_ip+0x1ee/0x230
[   59.456138]  ip_finish_output2+0x718/0x21f0
[   59.460454]  ? ip_frag_next+0xa10/0xa10
[   59.464405]  ? rcu_read_lock_held+0x9c/0xb0
[   59.468707]  ? rcu_read_lock_held_common+0xa0/0xa0
[   59.473617]  ? lock_downgrade+0x960/0x960
[   59.477770]  __ip_finish_output+0x401/0xa70
[   59.482186]  ip_finish_output+0x27/0x170
[   59.486248]  ip_output+0x1c6/0x560
[   59.490010]  ? ip_mc_output+0xd10/0xd10
[   59.493976]  ? __ip_finish_output+0xa70/0xa70
[   59.498576]  ? rcu_read_lock_held_common+0xa0/0xa0
[   59.503501]  ? rcu_read_lock_held+0x9c/0xb0
[   59.507823]  ip_local_out+0x7e/0x130
[   59.513109]  __ip_queue_xmit+0x700/0x1de0
[   59.517243]  ? __skb_checksum+0x7c0/0x7c0
[   59.522005]  ? skb_send_sock_locked+0x750/0x750
[   59.526672]  ? reqsk_fastopen_remove+0x560/0x560
[   59.532033]  ? dccp_insert_options+0x1e2/0xb30
[   59.537230]  ip_queue_xmit+0x45/0x70
[   59.540929]  dccp_transmit_skb+0xb80/0x12b0
[   59.545237]  ? skb_unlink+0x117/0x1a0
[   59.549036]  dccp_xmit_packet+0x1a0/0x580
[   59.553186]  dccp_write_xmit+0x128/0x180
[   59.557233]  dccp_sendmsg+0x68e/0xdb0
[   59.561032]  ? dccp_disconnect+0xb00/0xb00
[   59.565249]  ? aa_af_perm+0x240/0x240
[   59.569043]  ? rw_copy_check_uvector+0x66/0x3b0
[   59.573696]  ? __kasan_check_write+0x14/0x20
[   59.578114]  inet_sendmsg+0xbd/0xe0
[   59.581733]  ? inet_send_prepare+0x3a0/0x3a0
[   59.586120]  sock_sendmsg+0xdf/0x110
[   59.589822]  ____sys_sendmsg+0x6b4/0xb40
[   59.593869]  ? copy_msghdr_from_user+0xa3/0xf0
[   59.598444]  ? kernel_sendmsg+0x30/0x30
[   59.602426]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   59.607803]  ___sys_sendmsg+0xe4/0x160
[   59.611676]  ? sendmsg_copy_msghdr+0x30/0x30
[   59.616068]  ? lock_downgrade+0x960/0x960
[   59.620212]  ? rcu_read_lock_held+0x9c/0xb0
[   59.624527]  ? rcu_read_lock_held_common+0xa0/0xa0
[   59.629721]  ? __fget_files+0x1c5/0x2e0
[   59.633698]  ? __fget_light+0x1b3/0x230
[   59.637655]  ? __fdget+0xe/0x10
[   59.640917]  ? sockfd_lookup_light+0x1c/0x150
[   59.645410]  __sys_sendmsg+0xdc/0x190
[   59.649202]  ? __sys_sendmsg_sock+0xa0/0xa0
[   59.653502]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   59.658325]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   59.663626]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   59.668885]  ? do_syscall_64+0x20/0xf0
[   59.672770]  __x64_sys_sendmsg+0x73/0xb0
[   59.676814]  do_syscall_64+0x6e/0xf0
[   59.680512]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   59.685696] RIP: 0033:0x452f89
[   59.688869] Code: Bad RIP value.
[   59.692214] RSP: 002b:00007f73b3819c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   59.699903] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   59.707156] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   59.714403] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   59.721652] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   59.728902] R13: 00000000ffffffff R14: 00007f73b381a6d4 R15: 0000000000000002
[   59.736191] CPU: 0 PID: 4298 Comm: syz-executor3 Not tainted 5.8.0-rc1-syzkaller #0
[   59.743981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   59.753420] Call Trace:
[   59.755999]  <IRQ>
[   59.758196]  dump_stack+0x136/0x187
[   59.761841]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   59.767026]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   59.771940]  ? dccp_parse_options+0x333/0x1000
[   59.776523]  dccp_deliver_input_to_ccids+0xcc/0x220
[   59.781543]  dccp_rcv_established+0x49/0x70
[   59.785846]  dccp_v4_do_rcv+0xf4/0x160
[   59.789720]  __sk_receive_skb+0x215/0x900
[   59.793874]  dccp_v4_rcv+0xc62/0x1da3
[   59.797763]  ip_protocol_deliver_rcu+0x516/0x6c0
[   59.802518]  ip_local_deliver_finish+0x1ee/0x2e0
[   59.807262]  ip_local_deliver+0x306/0x450
[   59.811397]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   59.816303]  ? lock_downgrade+0x960/0x960
[   59.820456]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   59.825380]  ip_rcv_finish+0xb0/0x170
[   59.829168]  ip_rcv+0xcb/0x2f0
[   59.832344]  ? ip_local_deliver+0x450/0x450
[   59.836660]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   59.842009]  ? find_held_lock+0x36/0x1d0
[   59.846055]  ? ip_local_deliver+0x450/0x450
[   59.850370]  __netif_receive_skb_one_core+0x16a/0x1c0
[   59.855546]  ? lock_acquire+0x200/0x960
[   59.859556]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   59.864741]  ? lock_release+0x950/0x950
[   59.868700]  ? process_backlog+0x3fe/0x700
[   59.872934]  __netif_receive_skb+0x1f/0x1b0
[   59.877336]  process_backlog+0x1f1/0x700
[   59.881373]  ? net_rx_action+0x236/0xe60
[   59.885425]  net_rx_action+0x44c/0xe60
[   59.889309]  ? __kasan_check_read+0x11/0x20
[   59.893626]  ? napi_busy_loop+0x6e0/0x6e0
[   59.897760]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   59.902592]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   59.908128]  ? asm_call_on_stack+0x12/0x20
[   59.912356]  ? trace_hardirqs_on+0x31/0x190
[   59.916675]  __do_softirq+0x248/0x992
[   59.920467]  ? ip_finish_output2+0x6f4/0x21f0
[   59.924991]  asm_call_on_stack+0x12/0x20
[   59.929031]  </IRQ>
[   59.931249]  do_softirq_own_stack+0xf2/0x140
[   59.935655]  do_softirq.part.18+0x11a/0x150
[   59.939957]  __local_bh_enable_ip+0x1ee/0x230
[   59.944448]  ip_finish_output2+0x718/0x21f0
[   59.951369]  ? ip_frag_next+0xa10/0xa10
[   59.955320]  ? rcu_read_lock_held+0x9c/0xb0
[   59.959630]  ? rcu_read_lock_held_common+0xa0/0xa0
[   59.964541]  ? lock_downgrade+0x960/0x960
[   59.968676]  __ip_finish_output+0x401/0xa70
[   59.972998]  ip_finish_output+0x27/0x170
[   59.977053]  ip_output+0x1c6/0x560
[   59.980668]  ? ip_mc_output+0xd10/0xd10
[   59.984628]  ? __ip_finish_output+0xa70/0xa70
[   59.989115]  ? rcu_read_lock_held_common+0xa0/0xa0
[   59.994024]  ? rcu_read_lock_held+0x9c/0xb0
[   59.998342]  ip_local_out+0x7e/0x130
[   60.002049]  __ip_queue_xmit+0x700/0x1de0
[   60.006190]  ? __skb_checksum+0x7c0/0x7c0
[   60.010329]  ? skb_send_sock_locked+0x750/0x750
[   60.015242]  ? reqsk_fastopen_remove+0x560/0x560
[   60.019986]  ? dccp_insert_options+0x1e2/0xb30
[   60.024681]  ip_queue_xmit+0x45/0x70
[   60.028384]  dccp_transmit_skb+0xb80/0x12b0
[   60.032691]  ? skb_unlink+0x117/0x1a0
[   60.036496]  dccp_xmit_packet+0x1a0/0x580
[   60.040651]  dccp_write_xmit+0x128/0x180
[   60.044706]  dccp_sendmsg+0x68e/0xdb0
[   60.048502]  ? dccp_disconnect+0xb00/0xb00
[   60.052719]  ? aa_af_perm+0x240/0x240
[   60.056519]  ? rw_copy_check_uvector+0x66/0x3b0
[   60.061167]  ? __kasan_check_write+0x14/0x20
[   60.065579]  inet_sendmsg+0xbd/0xe0
[   60.069192]  ? inet_send_prepare+0x3a0/0x3a0
[   60.073579]  sock_sendmsg+0xdf/0x110
[   60.077297]  ____sys_sendmsg+0x6b4/0xb40
[   60.081340]  ? copy_msghdr_from_user+0xa3/0xf0
[   60.085900]  ? kernel_sendmsg+0x30/0x30
[   60.089882]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   60.095158]  ___sys_sendmsg+0xe4/0x160
[   60.099036]  ? sendmsg_copy_msghdr+0x30/0x30
[   60.103429]  ? lock_downgrade+0x960/0x960
[   60.107571]  ? rcu_read_lock_held+0x9c/0xb0
[   60.111871]  ? rcu_read_lock_held_common+0xa0/0xa0
[   60.116790]  ? __fget_files+0x1c5/0x2e0
[   60.120917]  ? __fget_light+0x1b3/0x230
[   60.124884]  ? __fdget+0xe/0x10
[   60.128162]  ? sockfd_lookup_light+0x1c/0x150
[   60.132731]  __sys_sendmsg+0xdc/0x190
[   60.136512]  ? __sys_sendmsg_sock+0xa0/0xa0
[   60.140815]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   60.145651]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   60.150930]  ? calculate_sigpending+0x41/0xa0
[   60.155447]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   60.160708]  ? do_syscall_64+0x20/0xf0
[   60.164586]  __x64_sys_sendmsg+0x73/0xb0
[   60.168639]  do_syscall_64+0x6e/0xf0
[   60.172333]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   60.177505] RIP: 0033:0x452f89
[   60.180745] Code: Bad RIP value.
[   60.184269] RSP: 002b:00007fd73c186c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   60.191958] RAX: ffffffffffffffda RBX: 000000000071c010 RCX: 0000000000452f89
[   60.199228] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   60.206479] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
2020/06/15 18:43:37 executed programs: 75
[   60.213736] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   60.220985] R13: 00000000ffffffff R14: 00007fd73c1876d4 R15: 0000000000000008
[   60.234288] dccp_close: ABORT with 24 bytes unread
[   60.288119] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   60.301589] CPU: 0 PID: 4317 Comm: syz-executor3 Not tainted 5.8.0-rc1-syzkaller #0
[   60.309389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   60.319228] Call Trace:
[   60.321816]  <IRQ>
[   60.324083]  dump_stack+0x136/0x187
[   60.328785]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   60.334222]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   60.339031]  ? dccp_parse_options+0x333/0x1000
[   60.343849]  dccp_deliver_input_to_ccids+0xcc/0x220
[   60.348887]  dccp_rcv_established+0x49/0x70
[   60.353246]  dccp_v4_do_rcv+0xf4/0x160
[   60.357242]  __sk_receive_skb+0x215/0x900
[   60.361425]  dccp_v4_rcv+0xc62/0x1da3
[   60.365749]  ip_protocol_deliver_rcu+0x516/0x6c0
[   60.370707]  ip_local_deliver_finish+0x1ee/0x2e0
[   60.375685]  ip_local_deliver+0x306/0x450
[   60.379954]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   60.386115]  ? lock_downgrade+0x960/0x960
[   60.391237]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   60.396357]  ip_rcv_finish+0xb0/0x170
[   60.400611]  ip_rcv+0xcb/0x2f0
[   60.403956]  ? ip_local_deliver+0x450/0x450
[   60.408298]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   60.414392]  ? find_held_lock+0x36/0x1d0
[   60.418750]  ? ip_local_deliver+0x450/0x450
[   60.423351]  __netif_receive_skb_one_core+0x16a/0x1c0
[   60.428664]  ? lock_acquire+0x200/0x960
[   60.432654]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   60.437869]  ? lock_release+0x950/0x950
[   60.441869]  ? process_backlog+0x3fe/0x700
[   60.446207]  __netif_receive_skb+0x1f/0x1b0
[   60.450573]  process_backlog+0x1f1/0x700
[   60.454654]  ? net_rx_action+0x236/0xe60
[   60.458769]  net_rx_action+0x44c/0xe60
[   60.462689]  ? __kasan_check_read+0x11/0x20
[   60.467063]  ? napi_busy_loop+0x6e0/0x6e0
[   60.471238]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   60.475786] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   60.476080]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   60.476089]  ? asm_call_on_stack+0x12/0x20
[   60.476100]  ? trace_hardirqs_on+0x31/0x190
[   60.503099]  __do_softirq+0x248/0x992
[   60.506897]  ? ip_finish_output2+0x6f4/0x21f0
[   60.511381]  asm_call_on_stack+0x12/0x20
[   60.515433]  </IRQ>
[   60.517660]  do_softirq_own_stack+0xf2/0x140
[   60.522060]  do_softirq.part.18+0x11a/0x150
[   60.526364]  __local_bh_enable_ip+0x1ee/0x230
[   60.530846]  ip_finish_output2+0x718/0x21f0
[   60.535180]  ? ip_frag_next+0xa10/0xa10
[   60.539144]  ? rcu_read_lock_held+0x9c/0xb0
[   60.543446]  ? rcu_read_lock_held_common+0xa0/0xa0
[   60.548364]  ? lock_downgrade+0x960/0x960
[   60.552588]  __ip_finish_output+0x401/0xa70
[   60.556916]  ip_finish_output+0x27/0x170
[   60.560981]  ip_output+0x1c6/0x560
[   60.564512]  ? ip_mc_output+0xd10/0xd10
[   60.568478]  ? __ip_finish_output+0xa70/0xa70
[   60.573158]  ? rcu_read_lock_held_common+0xa0/0xa0
[   60.578418]  ? rcu_read_lock_held+0x9c/0xb0
[   60.582817]  ip_local_out+0x7e/0x130
[   60.586524]  __ip_queue_xmit+0x700/0x1de0
[   60.590741]  ? __skb_checksum+0x7c0/0x7c0
[   60.594872]  ? skb_send_sock_locked+0x750/0x750
[   60.599527]  ? reqsk_fastopen_remove+0x560/0x560
[   60.606087]  ? dccp_insert_options+0x1e2/0xb30
[   60.610687]  ip_queue_xmit+0x45/0x70
[   60.614390]  dccp_transmit_skb+0xb80/0x12b0
[   60.618701]  ? skb_unlink+0x117/0x1a0
[   60.622688]  dccp_xmit_packet+0x1a0/0x580
[   60.627029]  dccp_write_xmit+0x128/0x180
[   60.631819]  dccp_sendmsg+0x68e/0xdb0
[   60.636161]  ? dccp_disconnect+0xb00/0xb00
[   60.640473]  ? aa_af_perm+0x240/0x240
[   60.644260]  ? rw_copy_check_uvector+0x66/0x3b0
[   60.648996]  ? __kasan_check_write+0x14/0x20
[   60.653421]  inet_sendmsg+0xbd/0xe0
[   60.657033]  ? inet_send_prepare+0x3a0/0x3a0
[   60.661424]  sock_sendmsg+0xdf/0x110
[   60.665229]  ____sys_sendmsg+0x6b4/0xb40
[   60.669277]  ? copy_msghdr_from_user+0xa3/0xf0
[   60.675653]  ? kernel_sendmsg+0x30/0x30
[   60.680626]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   60.685917]  ___sys_sendmsg+0xe4/0x160
[   60.689883]  ? sendmsg_copy_msghdr+0x30/0x30
[   60.694284]  ? lock_downgrade+0x960/0x960
[   60.698440]  ? rcu_read_lock_held+0x9c/0xb0
[   60.702765]  ? rcu_read_lock_held_common+0xa0/0xa0
[   60.707829]  ? __fget_files+0x1c5/0x2e0
[   60.711807]  ? __fget_light+0x1b3/0x230
[   60.715775]  ? __fdget+0xe/0x10
[   60.719044]  ? sockfd_lookup_light+0x1c/0x150
[   60.723525]  __sys_sendmsg+0xdc/0x190
[   60.727336]  ? __sys_sendmsg_sock+0xa0/0xa0
[   60.731645]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   60.736674]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   60.742015]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   60.747470]  ? do_syscall_64+0x20/0xf0
[   60.751434]  __x64_sys_sendmsg+0x73/0xb0
[   60.755481]  do_syscall_64+0x6e/0xf0
[   60.759178]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   60.764475] RIP: 0033:0x452f89
[   60.767650] Code: Bad RIP value.
[   60.771002] RSP: 002b:00007fd73c1a7c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   60.778706] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   60.785962] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   60.793299] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   60.801519] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   60.808776] R13: 00000000ffffffff R14: 00007fd73c1a86d4 R15: 0000000000000002
[   60.816061] CPU: 1 PID: 4342 Comm: syz-executor1 Not tainted 5.8.0-rc1-syzkaller #0
[   60.823393] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   60.824473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   60.824477] Call Trace:
[   60.824481]  <IRQ>
[   60.824495]  dump_stack+0x136/0x187
[   60.824520]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   60.824542]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   60.824549]  ? dccp_parse_options+0x333/0x1000
[   60.824572]  dccp_deliver_input_to_ccids+0xcc/0x220
[   60.876234]  dccp_rcv_established+0x49/0x70
[   60.880553]  dccp_v4_do_rcv+0xf4/0x160
[   60.884435]  __sk_receive_skb+0x215/0x900
[   60.888575]  dccp_v4_rcv+0xc62/0x1da3
[   60.892399]  ip_protocol_deliver_rcu+0x516/0x6c0
[   60.897246]  ip_local_deliver_finish+0x1ee/0x2e0
[   60.901989]  ip_local_deliver+0x306/0x450
[   60.906120]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   60.911027]  ? lock_downgrade+0x960/0x960
[   60.915171]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   60.920096]  ip_rcv_finish+0xb0/0x170
[   60.923883]  ip_rcv+0xcb/0x2f0
[   60.927068]  ? ip_local_deliver+0x450/0x450
[   60.931475]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   60.936982]  ? find_held_lock+0x36/0x1d0
[   60.941029]  ? ip_local_deliver+0x450/0x450
[   60.945505]  __netif_receive_skb_one_core+0x16a/0x1c0
[   60.950675]  ? lock_acquire+0x200/0x960
[   60.955517]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   60.960695]  ? lock_release+0x950/0x950
[   60.964669]  ? process_backlog+0x3fe/0x700
[   60.968899]  __netif_receive_skb+0x1f/0x1b0
[   60.973206]  process_backlog+0x1f1/0x700
[   60.977258]  ? net_rx_action+0x236/0xe60
[   60.981314]  net_rx_action+0x44c/0xe60
[   60.986154]  ? __kasan_check_read+0x11/0x20
[   60.990477]  ? napi_busy_loop+0x6e0/0x6e0
[   60.994612]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   60.999448]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   61.004705]  ? asm_call_on_stack+0x12/0x20
[   61.008919]  ? trace_hardirqs_on+0x31/0x190
[   61.013231]  __do_softirq+0x248/0x992
[   61.017038]  ? ip_finish_output2+0x6f4/0x21f0
[   61.021516]  asm_call_on_stack+0x12/0x20
[   61.025569]  </IRQ>
[   61.027801]  do_softirq_own_stack+0xf2/0x140
[   61.032205]  do_softirq.part.18+0x11a/0x150
[   61.036517]  __local_bh_enable_ip+0x1ee/0x230
[   61.041014]  ip_finish_output2+0x718/0x21f0
[   61.045327]  ? ip_frag_next+0xa10/0xa10
[   61.049279]  ? rcu_read_lock_held+0x9c/0xb0
[   61.053590]  ? rcu_read_lock_held_common+0xa0/0xa0
[   61.058500]  ? lock_downgrade+0x960/0x960
[   61.062723]  __ip_finish_output+0x401/0xa70
[   61.067042]  ip_finish_output+0x27/0x170
[   61.071184]  ip_output+0x1c6/0x560
[   61.074712]  ? ip_mc_output+0xd10/0xd10
[   61.078694]  ? __ip_finish_output+0xa70/0xa70
[   61.083181]  ? rcu_read_lock_held_common+0xa0/0xa0
[   61.088097]  ? rcu_read_lock_held+0x9c/0xb0
[   61.092438]  ip_local_out+0x7e/0x130
[   61.096149]  __ip_queue_xmit+0x700/0x1de0
[   61.100275]  ? __skb_checksum+0x7c0/0x7c0
[   61.104416]  ? skb_send_sock_locked+0x750/0x750
[   61.109079]  ? reqsk_fastopen_remove+0x560/0x560
[   61.114008]  ? dccp_insert_options+0x1e2/0xb30
[   61.118591]  ip_queue_xmit+0x45/0x70
[   61.122294]  dccp_transmit_skb+0xb80/0x12b0
[   61.126610]  ? skb_unlink+0x117/0x1a0
[   61.130499]  dccp_xmit_packet+0x1a0/0x580
[   61.134647]  dccp_write_xmit+0x128/0x180
[   61.138714]  dccp_sendmsg+0x68e/0xdb0
[   61.142507]  ? dccp_disconnect+0xb00/0xb00
[   61.146737]  ? aa_af_perm+0x240/0x240
[   61.150519]  ? rw_copy_check_uvector+0x66/0x3b0
[   61.155172]  ? __kasan_check_write+0x14/0x20
[   61.159589]  inet_sendmsg+0xbd/0xe0
[   61.163372]  ? inet_send_prepare+0x3a0/0x3a0
[   61.167783]  sock_sendmsg+0xdf/0x110
[   61.171496]  ____sys_sendmsg+0x6b4/0xb40
[   61.175565]  ? copy_msghdr_from_user+0xa3/0xf0
[   61.180154]  ? kernel_sendmsg+0x30/0x30
[   61.184139]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   61.189400]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   61.194685]  ___sys_sendmsg+0xe4/0x160
[   61.198573]  ? sendmsg_copy_msghdr+0x30/0x30
[   61.202980]  ? lock_downgrade+0x960/0x960
[   61.207122]  ? rcu_read_lock_held+0x9c/0xb0
[   61.211426]  ? rcu_read_lock_held_common+0xa0/0xa0
[   61.216351]  ? __fget_files+0x1c5/0x2e0
[   61.220341]  ? __fget_light+0x1b3/0x230
[   61.224301]  ? __fdget+0xe/0x10
[   61.227574]  ? sockfd_lookup_light+0x1c/0x150
[   61.232180]  __sys_sendmsg+0xdc/0x190
[   61.235969]  ? __sys_sendmsg_sock+0xa0/0xa0
[   61.240403]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   61.245245]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   61.250547]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   61.255811]  ? do_syscall_64+0x20/0xf0
[   61.259694]  __x64_sys_sendmsg+0x73/0xb0
[   61.263739]  do_syscall_64+0x6e/0xf0
[   61.267443]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   61.272616] RIP: 0033:0x452f89
[   61.275792] Code: Bad RIP value.
[   61.279160] RSP: 002b:00007fdacbdfdc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   61.286853] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   61.294364] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   61.301614] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   61.308887] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   61.316148] R13: 00000000ffffffff R14: 00007fdacbdfe6d4 R15: 0000000000000002
[   61.323469] CPU: 0 PID: 4341 Comm: syz-executor2 Not tainted 5.8.0-rc1-syzkaller #0
[   61.331296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   61.341437] Call Trace:
[   61.344004]  <IRQ>
[   61.346161]  dump_stack+0x136/0x187
[   61.349781]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   61.354960]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   61.359697]  ? dccp_parse_options+0x333/0x1000
[   61.364286]  dccp_deliver_input_to_ccids+0xcc/0x220
[   61.369287]  dccp_rcv_established+0x49/0x70
[   61.373607]  dccp_v4_do_rcv+0xf4/0x160
[   61.377567]  __sk_receive_skb+0x215/0x900
[   61.381705]  dccp_v4_rcv+0xc62/0x1da3
[   61.385521]  ip_protocol_deliver_rcu+0x516/0x6c0
[   61.390265]  ip_local_deliver_finish+0x1ee/0x2e0
[   61.395014]  ip_local_deliver+0x306/0x450
[   61.399147]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   61.404060]  ? lock_downgrade+0x960/0x960
[   61.408197]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   61.413118]  ip_rcv_finish+0xb0/0x170
[   61.416907]  ip_rcv+0xcb/0x2f0
[   61.420082]  ? ip_local_deliver+0x450/0x450
[   61.424493]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   61.431238]  ? find_held_lock+0x36/0x1d0
[   61.435297]  ? ip_local_deliver+0x450/0x450
[   61.439631]  __netif_receive_skb_one_core+0x16a/0x1c0
[   61.444832]  ? lock_acquire+0x200/0x960
[   61.448805]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   61.453982]  ? lock_release+0x950/0x950
[   61.457943]  ? process_backlog+0x3fe/0x700
[   61.462169]  __netif_receive_skb+0x1f/0x1b0
[   61.466492]  process_backlog+0x1f1/0x700
[   61.470530]  ? net_rx_action+0x236/0xe60
[   61.474599]  net_rx_action+0x44c/0xe60
[   61.478475]  ? __kasan_check_read+0x11/0x20
[   61.482795]  ? napi_busy_loop+0x6e0/0x6e0
[   61.487628]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   61.492449]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   61.497702]  ? asm_call_on_stack+0x12/0x20
[   61.502059]  ? trace_hardirqs_on+0x31/0x190
[   61.506380]  __do_softirq+0x248/0x992
[   61.510180]  ? ip_finish_output2+0x6f4/0x21f0
[   61.514662]  asm_call_on_stack+0x12/0x20
[   61.518706]  </IRQ>
[   61.520928]  do_softirq_own_stack+0xf2/0x140
[   61.525316]  do_softirq.part.18+0x11a/0x150
[   61.529627]  __local_bh_enable_ip+0x1ee/0x230
[   61.534104]  ip_finish_output2+0x718/0x21f0
[   61.538416]  ? ip_frag_next+0xa10/0xa10
[   61.542367]  ? rcu_read_lock_held+0x9c/0xb0
[   61.546667]  ? rcu_read_lock_held_common+0xa0/0xa0
[   61.551577]  ? lock_downgrade+0x960/0x960
[   61.555723]  __ip_finish_output+0x401/0xa70
[   61.560034]  ip_finish_output+0x27/0x170
[   61.564529]  ip_output+0x1c6/0x560
[   61.568065]  ? ip_mc_output+0xd10/0xd10
[   61.572051]  ? __ip_finish_output+0xa70/0xa70
[   61.576555]  ? rcu_read_lock_held_common+0xa0/0xa0
[   61.581482]  ? rcu_read_lock_held+0x9c/0xb0
[   61.585804]  ip_local_out+0x7e/0x130
[   61.589519]  __ip_queue_xmit+0x700/0x1de0
[   61.593651]  ? __skb_checksum+0x7c0/0x7c0
[   61.597776]  ? skb_send_sock_locked+0x750/0x750
[   61.602423]  ? reqsk_fastopen_remove+0x560/0x560
[   61.607157]  ? dccp_insert_options+0x1e2/0xb30
[   61.611741]  ip_queue_xmit+0x45/0x70
[   61.615448]  dccp_transmit_skb+0xb80/0x12b0
[   61.619757]  ? skb_unlink+0x117/0x1a0
[   61.623559]  dccp_xmit_packet+0x1a0/0x580
[   61.628130]  dccp_write_xmit+0x128/0x180
[   61.632179]  dccp_sendmsg+0x68e/0xdb0
[   61.635970]  ? dccp_disconnect+0xb00/0xb00
[   61.640222]  ? aa_af_perm+0x240/0x240
[   61.644012]  ? rw_copy_check_uvector+0x66/0x3b0
[   61.648656]  ? __kasan_check_write+0x14/0x20
[   61.653064]  inet_sendmsg+0xbd/0xe0
[   61.656672]  ? inet_send_prepare+0x3a0/0x3a0
[   61.661234]  sock_sendmsg+0xdf/0x110
[   61.664930]  ____sys_sendmsg+0x6b4/0xb40
[   61.668990]  ? copy_msghdr_from_user+0xa3/0xf0
[   61.673564]  ? kernel_sendmsg+0x30/0x30
[   61.677534]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   61.682833]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   61.688106]  ___sys_sendmsg+0xe4/0x160
[   61.691976]  ? sendmsg_copy_msghdr+0x30/0x30
[   61.696369]  ? lock_downgrade+0x960/0x960
[   61.700592]  ? rcu_read_lock_held+0x9c/0xb0
[   61.704902]  ? rcu_read_lock_held_common+0xa0/0xa0
[   61.709822]  ? __fget_files+0x1c5/0x2e0
[   61.713793]  ? __fget_light+0x1b3/0x230
[   61.717751]  ? __fdget+0xe/0x10
[   61.721039]  ? sockfd_lookup_light+0x1c/0x150
[   61.725525]  __sys_sendmsg+0xdc/0x190
[   61.729314]  ? __sys_sendmsg_sock+0xa0/0xa0
[   61.733614]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   61.738454]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   61.743734]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   61.749017]  ? do_syscall_64+0x20/0xf0
[   61.752988]  __x64_sys_sendmsg+0x73/0xb0
[   61.757055]  do_syscall_64+0x6e/0xf0
[   61.760755]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   61.765925] RIP: 0033:0x452f89
[   61.769095] Code: Bad RIP value.
[   61.772436] RSP: 002b:00007f003160bc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   61.780120] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   61.787376] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   61.794623] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   61.801873] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   61.809118] R13: 00000000ffffffff R14: 00007f003160c6d4 R15: 0000000000000002
[   61.864063] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   61.877365] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.8.0-rc1-syzkaller #0
[   61.884810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   61.894197] Call Trace:
[   61.896791]  dump_stack+0x136/0x187
[   61.900436]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   61.905643]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   61.910397]  ? dccp_parse_options+0x333/0x1000
[   61.915004]  dccp_deliver_input_to_ccids+0xcc/0x220
[   61.920047]  dccp_rcv_established+0x49/0x70
[   61.924377]  dccp_v4_do_rcv+0xf4/0x160
[   61.928472]  __sk_receive_skb+0x215/0x900
[   61.932650]  dccp_v4_rcv+0xc62/0x1da3
[   61.936501]  ip_protocol_deliver_rcu+0x516/0x6c0
[   61.941298]  ip_local_deliver_finish+0x1ee/0x2e0
[   61.946073]  ip_local_deliver+0x306/0x450
[   61.950229]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   61.955176]  ? lock_downgrade+0x960/0x960
[   61.959332]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   61.964289]  ip_rcv_finish+0xb0/0x170
[   61.968104]  ip_rcv+0xcb/0x2f0
[   61.971336]  ? ip_local_deliver+0x450/0x450
[   61.975678]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   61.981063]  ? ip_local_deliver+0x450/0x450
[   61.985397]  __netif_receive_skb_one_core+0x16a/0x1c0
[   61.990595]  ? lock_acquire+0x200/0x960
[   61.994577]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   61.999793]  ? lock_release+0x950/0x950
[   62.003784]  ? process_backlog+0x3fe/0x700
[   62.008126]  __netif_receive_skb+0x1f/0x1b0
[   62.012470]  process_backlog+0x1f1/0x700
[   62.016597]  ? net_rx_action+0x236/0xe60
[   62.020681]  net_rx_action+0x44c/0xe60
[   62.024601]  ? napi_busy_loop+0x6e0/0x6e0
[   62.028780]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   62.033651]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   62.034709] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   62.038922]  ? run_ksoftirqd+0x88/0x100
[   62.038934]  ? trace_hardirqs_on+0x31/0x190
[   62.038955]  __do_softirq+0x248/0x992
[   62.038982]  ? takeover_tasklets+0x7b0/0x7b0
[   62.038997]  run_ksoftirqd+0x88/0x100
[   62.072400]  smpboot_thread_fn+0x342/0x790
[   62.076721]  ? smpboot_register_percpu_thread+0x360/0x360
[   62.082257]  ? __kasan_check_read+0x11/0x20
[   62.086570]  ? __kthread_parkme+0xd6/0x1b0
[   62.090790]  ? schedule+0xdd/0x2b0
[   62.094319]  ? smpboot_register_percpu_thread+0x360/0x360
[   62.099842]  kthread+0x370/0x440
[   62.103192]  ? kthread_mod_delayed_work+0x190/0x190
[   62.108193]  ret_from_fork+0x22/0x30
[   62.111920] CPU: 0 PID: 4376 Comm: syz-executor1 Not tainted 5.8.0-rc1-syzkaller #0
[   62.119886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   62.129267] Call Trace:
[   62.131884]  <IRQ>
[   62.134039]  dump_stack+0x136/0x187
[   62.137694]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   62.142906]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   62.147744]  ? dccp_parse_options+0x333/0x1000
[   62.152354]  dccp_deliver_input_to_ccids+0xcc/0x220
[   62.157386]  dccp_rcv_established+0x49/0x70
[   62.161731]  dccp_v4_do_rcv+0xf4/0x160
[   62.165633]  __sk_receive_skb+0x215/0x900
[   62.169801]  dccp_v4_rcv+0xc62/0x1da3
[   62.172138] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:412/tfrc_rx_hist_sample_rtt()
[   62.173638]  ip_protocol_deliver_rcu+0x516/0x6c0
[   62.173665]  ip_local_deliver_finish+0x1ee/0x2e0
[   62.173687]  ip_local_deliver+0x306/0x450
[   62.200487]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   62.205400]  ? lock_downgrade+0x960/0x960
[   62.209535]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   62.214469]  ip_rcv_finish+0xb0/0x170
[   62.218255]  ip_rcv+0xcb/0x2f0
[   62.221442]  ? ip_local_deliver+0x450/0x450
[   62.225750]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   62.231133]  ? find_held_lock+0x36/0x1d0
[   62.235201]  ? ip_local_deliver+0x450/0x450
[   62.239509]  __netif_receive_skb_one_core+0x16a/0x1c0
[   62.244680]  ? lock_acquire+0x200/0x960
[   62.248641]  ? __netif_receive_skb_core+0x2a20/0x2a20
[   62.253823]  ? lock_release+0x950/0x950
[   62.257783]  ? process_backlog+0x3fe/0x700
[   62.262007]  __netif_receive_skb+0x1f/0x1b0
[   62.266312]  process_backlog+0x1f1/0x700
[   62.270361]  ? net_rx_action+0x236/0xe60
[   62.274418]  net_rx_action+0x44c/0xe60
[   62.278313]  ? __kasan_check_read+0x11/0x20
[   62.282639]  ? napi_busy_loop+0x6e0/0x6e0
[   62.286797]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   62.291972]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   62.297230]  ? asm_call_on_stack+0x12/0x20
[   62.301448]  ? trace_hardirqs_on+0x31/0x190
[   62.305768]  __do_softirq+0x248/0x992
[   62.309564]  ? ip_finish_output2+0x6f4/0x21f0
[   62.314054]  asm_call_on_stack+0x12/0x20
[   62.318092]  </IRQ>
[   62.320309]  do_softirq_own_stack+0xf2/0x140
[   62.324714]  do_softirq.part.18+0x11a/0x150
[   62.329017]  __local_bh_enable_ip+0x1ee/0x230
[   62.333506]  ip_finish_output2+0x718/0x21f0
[   62.337833]  ? ip_frag_next+0xa10/0xa10
[   62.341785]  ? rcu_read_lock_held+0x9c/0xb0
[   62.346092]  ? rcu_read_lock_held_common+0xa0/0xa0
[   62.351033]  ? lock_downgrade+0x960/0x960
[   62.355179]  __ip_finish_output+0x401/0xa70
[   62.359496]  ip_finish_output+0x27/0x170
[   62.363542]  ip_output+0x1c6/0x560
[   62.367068]  ? ip_mc_output+0xd10/0xd10
[   62.371029]  ? __ip_finish_output+0xa70/0xa70
[   62.375510]  ? rcu_read_lock_held_common+0xa0/0xa0
[   62.380431]  ? rcu_read_lock_held+0x9c/0xb0
[   62.384740]  ip_local_out+0x7e/0x130
[   62.388480]  __ip_queue_xmit+0x700/0x1de0
[   62.393562]  ? __skb_checksum+0x7c0/0x7c0
[   62.397690]  ? skb_send_sock_locked+0x750/0x750
[   62.402337]  ? reqsk_fastopen_remove+0x560/0x560
[   62.407071]  ? dccp_insert_options+0x1e2/0xb30
[   62.411644]  ip_queue_xmit+0x45/0x70
[   62.415340]  dccp_transmit_skb+0xb80/0x12b0
[   62.419640]  ? skb_unlink+0x117/0x1a0
[   62.423448]  dccp_xmit_packet+0x1a0/0x580
[   62.427583]  dccp_write_xmit+0x128/0x180
[   62.431640]  dccp_sendmsg+0x68e/0xdb0
[   62.435446]  ? dccp_disconnect+0xb00/0xb00
[   62.439674]  ? aa_af_perm+0x240/0x240
[   62.443455]  ? rw_copy_check_uvector+0x66/0x3b0
[   62.448109]  ? __kasan_check_write+0x14/0x20
[   62.452518]  inet_sendmsg+0xbd/0xe0
[   62.456128]  ? inet_send_prepare+0x3a0/0x3a0
[   62.460516]  sock_sendmsg+0xdf/0x110
[   62.464215]  ____sys_sendmsg+0x6b4/0xb40
[   62.468258]  ? copy_msghdr_from_user+0xa3/0xf0
[   62.472824]  ? kernel_sendmsg+0x30/0x30
[   62.476785]  ? lockdep_hardirqs_on_prepare+0x590/0x590
[   62.482069]  ___sys_sendmsg+0xe4/0x160
[   62.485942]  ? sendmsg_copy_msghdr+0x30/0x30
[   62.490336]  ? lock_downgrade+0x960/0x960
[   62.494485]  ? rcu_read_lock_held+0x9c/0xb0
[   62.498802]  ? rcu_read_lock_held_common+0xa0/0xa0
[   62.503746]  ? __fget_files+0x1c5/0x2e0
[   62.507728]  ? __fget_light+0x1b3/0x230
[   62.511695]  ? __fdget+0xe/0x10
[   62.514978]  ? sockfd_lookup_light+0x1c/0x150
[   62.519551]  __sys_sendmsg+0xdc/0x190
[   62.523341]  ? __sys_sendmsg_sock+0xa0/0xa0
[   62.527644]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   62.532467]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   62.537754]  ? rcu_read_lock_any_held.part.8+0x50/0x50
[   62.543015]  ? do_syscall_64+0x20/0xf0
[   62.546891]  __x64_sys_sendmsg+0x73/0xb0
[   62.550938]  do_syscall_64+0x6e/0xf0
[   62.554635]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   62.559813] RIP: 0033:0x452f89
[   62.562989] Code: Bad RIP value.
[   62.566332] RSP: 002b:00007fdacbdfdc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[   62.574030] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452f89
[   62.581289] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[   62.588539] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[   62.595803] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[   62.603065] R13: 00000000ffffffff R14: 00007fdacbdfe6d4 R15: 0000000000000002
[   62.610436] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.8.0-rc1-syzkaller #0
[   62.617892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   62.627286] Call Trace:
[   62.629881]  dump_stack+0x136/0x187
[   62.633557]  tfrc_rx_hist_sample_rtt.cold.3+0x47/0x4c
[   62.638762]  ccid3_hc_rx_packet_recv+0x471/0xec0
[   62.643516]  ? dccp_parse_options+0x333/0x1000
[   62.648119]  dccp_deliver_input_to_ccids+0xcc/0x220
[   62.653145]  dccp_rcv_established+0x49/0x70
[   62.657472]  dccp_v4_do_rcv+0xf4/0x160
[   62.661370]  __sk_receive_skb+0x215/0x900
[   62.665546]  dccp_v4_rcv+0xc62/0x1da3
[   62.669381]  ip_protocol_deliver_rcu+0x516/0x6c0
[   62.674159]  ip_local_deliver_finish+0x1ee/0x2e0
[   62.678943]  ip_local_deliver+0x306/0x450
[   62.683089]  ? ip_local_deliver_finish+0x2e0/0x2e0
[   62.688008]  ? lock_downgrade+0x960/0x960
[   62.692144]  ? ip_protocol_deliver_rcu+0x6c0/0x6c0
[   62.697066]  ip_rcv_finish+0xb0/0x170
[   62.700861]  ip_rcv+0xcb/0x2f0
[   62.704037]  ? ip_local_deliver+0x450/0x450
[   62.708354]  ? ip_rcv_finish_core.isra.18+0x1ba0/0x1ba0
[   62.713726]  ? ip_local_deliver+0x450/0x450