Warning: Permanently added '10.128.1.213' (ED25519) to the list of known hosts.
[  443.306768][    C0] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  443.321395][    C0] CPU: 0 UID: 0 PID: 14209 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  443.332371][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  443.342468][    C0] Call Trace:
[  443.345759][    C0]  <IRQ>
[  443.348777][    C0]  dump_stack_lvl+0x241/0x360
[  443.353595][    C0]  ? __pfx_dump_stack_lvl+0x10/0x10
[  443.358829][    C0]  ? __pfx__printk+0x10/0x10
[  443.364335][    C0]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  443.369864][    C0]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  443.375362][    C0]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  443.380880][    C0]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  443.386963][    C0]  dccp_rcv_established+0x1bb/0x320
[  443.392288][    C0]  dccp_v4_do_rcv+0xff/0x1f0
[  443.397704][    C0]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  443.403893][    C0]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  443.409101][    C0]  __sk_receive_skb+0x82b/0x8b0
[  443.414582][    C0]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  443.419779][    C0]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  443.424749][    C0]  ip_protocol_deliver_rcu+0x2e9/0x440
[  443.430476][    C0]  ? ip_local_deliver_finish+0x230/0x5f0
[  443.436312][    C0]  ip_local_deliver_finish+0x341/0x5f0
[  443.441974][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  443.448247][    C0]  NF_HOOK+0x3a4/0x450
[  443.452765][    C0]  ? NF_HOOK+0x9a/0x450
[  443.456950][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  443.461558][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  443.467547][    C0]  ? ip_rcv_finish+0x406/0x560
[  443.472334][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  443.477804][    C0]  NF_HOOK+0x3a4/0x450
[  443.481879][    C0]  ? __lock_acquire+0x137a/0x2040
[  443.486956][    C0]  ? NF_HOOK+0x9a/0x450
[  443.491666][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  443.496669][    C0]  ? ip_rcv_core+0x801/0xd10
[  443.501307][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  443.506539][    C0]  ? __pfx_ip_rcv+0x10/0x10
[  443.511060][    C0]  __netif_receive_skb+0x2bf/0x650
[  443.516306][    C0]  ? __pfx_lock_acquire+0x10/0x10
[  443.521371][    C0]  ? __pfx___netif_receive_skb+0x10/0x10
[  443.527039][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  443.533110][    C0]  ? __pfx_lock_release+0x10/0x10
[  443.538141][    C0]  ? _raw_spin_lock_irq+0xdf/0x120
[  443.543280][    C0]  process_backlog+0x662/0x15b0
[  443.548194][    C0]  ? process_backlog+0x33b/0x15b0
[  443.553238][    C0]  ? __pfx_process_backlog+0x10/0x10
[  443.558886][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  443.565018][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  443.571388][    C0]  __napi_poll+0xcb/0x490
[  443.575786][    C0]  net_rx_action+0x89b/0x1240
[  443.580508][    C0]  ? __pfx_net_rx_action+0x10/0x10
[  443.585633][    C0]  ? sched_clock+0x4a/0x70
[  443.590052][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  443.596481][    C0]  handle_softirqs+0x2c4/0x970
[  443.601288][    C0]  ? do_softirq+0x11b/0x1e0
[  443.605888][    C0]  ? __pfx_handle_softirqs+0x10/0x10
[  443.611164][    C0]  ? rcu_is_watching+0x15/0xb0
[  443.616275][    C0]  do_softirq+0x11b/0x1e0
[  443.620614][    C0]  </IRQ>
[  443.623528][    C0]  <TASK>
[  443.626471][    C0]  ? __pfx_do_softirq+0x10/0x10
[  443.631569][    C0]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  443.637247][    C0]  ? rcu_is_watching+0x15/0xb0
[  443.642001][    C0]  __local_bh_enable_ip+0x1bb/0x200
[  443.647272][    C0]  ? dev_hard_start_xmit+0x773/0x7e0
[  443.652557][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  443.657762][    C0]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  443.663558][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  443.668744][    C0]  __dev_queue_xmit+0x1763/0x3e90
[  443.673765][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  443.678954][    C0]  ? __pfx___dev_queue_xmit+0x10/0x10
[  443.684440][    C0]  ? mark_lock+0x9a/0x350
[  443.688793][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  443.694775][    C0]  ? ip_finish_output2+0xa14/0x1390
[  443.699991][    C0]  ? ip_finish_output2+0x45f/0x1390
[  443.705191][    C0]  ip_finish_output2+0xd41/0x1390
[  443.710222][    C0]  ? ip_finish_output2+0x45f/0x1390
[  443.715411][    C0]  ? __pfx_ip_finish_output2+0x10/0x10
[  443.720869][    C0]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  443.725905][    C0]  ? __ip_finish_output+0x349/0x400
[  443.731221][    C0]  __ip_queue_xmit+0x118c/0x1b80
[  443.736282][    C0]  ? __ip_queue_xmit+0x5f/0x1b80
[  443.741264][    C0]  dccp_transmit_skb+0xf41/0x16a0
[  443.746299][    C0]  dccp_xmit_packet+0x376/0x610
[  443.751277][    C0]  ? __virt_addr_valid+0x183/0x530
[  443.756555][    C0]  dccp_write_xmit+0x138/0x220
[  443.761342][    C0]  dccp_sendmsg+0x76f/0xba0
[  443.765941][    C0]  ? __pfx_dccp_sendmsg+0x10/0x10
[  443.770977][    C0]  ? sock_rps_record_flow+0x1a/0x400
[  443.776277][    C0]  ? inet_sendmsg+0x330/0x390
[  443.781054][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  443.786478][    C0]  ? security_socket_sendmsg+0x87/0xb0
[  443.791971][    C0]  __sock_sendmsg+0x1a6/0x270
[  443.796671][    C0]  ____sys_sendmsg+0x525/0x7d0
[  443.801568][    C0]  ? __pfx_____sys_sendmsg+0x10/0x10
[  443.807056][    C0]  __sys_sendmsg+0x2b0/0x3a0
[  443.811662][    C0]  ? __pfx___sys_sendmsg+0x10/0x10
[  443.816786][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  443.822818][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  443.829172][    C0]  ? exc_page_fault+0x590/0x8c0
[  443.834034][    C0]  ? do_syscall_64+0xb6/0x230
[  443.838806][    C0]  do_syscall_64+0xf3/0x230
[  443.843493][    C0]  ? clear_bhb_loop+0x35/0x90
[  443.848191][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  443.854203][    C0] RIP: 0033:0x7f567dc63c69
[  443.858841][    C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  443.879243][    C0] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  443.887689][    C0] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  443.895827][    C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  443.903785][    C0] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  443.911756][    C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  443.919908][    C0] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  443.927909][    C0]  </TASK>
[  443.944204][T14207] dccp_close: ABORT with 24 bytes unread
[  443.972393][T14212] dccp_close: ABORT with 24 bytes unread
[  443.999471][T14216] dccp_close: ABORT with 24 bytes unread
[  444.025508][T14220] dccp_close: ABORT with 24 bytes unread
[  444.050833][T14224] dccp_close: ABORT with 24 bytes unread
[  444.077166][T14227] dccp_close: ABORT with 24 bytes unread
[  444.105014][T14234] dccp_close: ABORT with 24 bytes unread
[  444.130290][T14236] dccp_close: ABORT with 24 bytes unread
[  444.155769][T14240] dccp_close: ABORT with 24 bytes unread
[  444.181468][T14244] dccp_close: ABORT with 24 bytes unread
[  444.202745][    C0] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  444.217038][    C0] CPU: 0 UID: 0 PID: 14249 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  444.228004][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  444.238452][    C0] Call Trace:
[  444.241763][    C0]  <IRQ>
[  444.244634][    C0]  dump_stack_lvl+0x241/0x360
[  444.249330][    C0]  ? __pfx_dump_stack_lvl+0x10/0x10
[  444.254717][    C0]  ? __pfx__printk+0x10/0x10
[  444.259441][    C0]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  444.265992][    C0]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  444.271602][    C0]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  444.277461][    C0]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  444.283576][    C0]  dccp_rcv_established+0x1bb/0x320
[  444.289164][    C0]  dccp_v4_do_rcv+0xff/0x1f0
[  444.293759][    C0]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  444.299861][    C0]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  444.305250][    C0]  __sk_receive_skb+0x82b/0x8b0
[  444.310189][    C0]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  444.315495][    C0]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  444.320543][    C0]  ip_protocol_deliver_rcu+0x2e9/0x440
[  444.326385][    C0]  ? ip_local_deliver_finish+0x230/0x5f0
[  444.332053][    C0]  ip_local_deliver_finish+0x341/0x5f0
[  444.337845][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  444.344063][    C0]  NF_HOOK+0x3a4/0x450
[  444.348300][    C0]  ? NF_HOOK+0x9a/0x450
[  444.352512][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  444.357340][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  444.363521][    C0]  ? ip_rcv_finish+0x406/0x560
[  444.368428][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  444.373677][    C0]  NF_HOOK+0x3a4/0x450
[  444.377867][    C0]  ? __lock_acquire+0x137a/0x2040
[  444.383036][    C0]  ? NF_HOOK+0x9a/0x450
[  444.387458][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  444.392274][    C0]  ? ip_rcv_core+0x801/0xd10
[  444.397253][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  444.402801][    C0]  ? __pfx_ip_rcv+0x10/0x10
[  444.407596][    C0]  __netif_receive_skb+0x2bf/0x650
[  444.412717][    C0]  ? __pfx_lock_acquire+0x10/0x10
[  444.417764][    C0]  ? __pfx___netif_receive_skb+0x10/0x10
[  444.423410][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  444.429664][    C0]  ? __pfx_lock_release+0x10/0x10
[  444.434817][    C0]  ? _raw_spin_lock_irq+0xdf/0x120
[  444.440064][    C0]  process_backlog+0x662/0x15b0
[  444.444932][    C0]  ? process_backlog+0x33b/0x15b0
[  444.450171][    C0]  ? __pfx_process_backlog+0x10/0x10
[  444.455560][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  444.461562][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  444.468001][    C0]  __napi_poll+0xcb/0x490
[  444.472437][    C0]  net_rx_action+0x89b/0x1240
[  444.477427][    C0]  ? __pfx_net_rx_action+0x10/0x10
[  444.482634][    C0]  ? sched_clock+0x4a/0x70
[  444.487062][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  444.493397][    C0]  handle_softirqs+0x2c4/0x970
[  444.498468][    C0]  ? do_softirq+0x11b/0x1e0
[  444.503099][    C0]  ? __pfx_handle_softirqs+0x10/0x10
[  444.508493][    C0]  ? rcu_is_watching+0x15/0xb0
[  444.513409][    C0]  do_softirq+0x11b/0x1e0
[  444.517748][    C0]  </IRQ>
[  444.520698][    C0]  <TASK>
[  444.523620][    C0]  ? __pfx_do_softirq+0x10/0x10
[  444.528646][    C0]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  444.534727][    C0]  ? rcu_is_watching+0x15/0xb0
[  444.539788][    C0]  __local_bh_enable_ip+0x1bb/0x200
[  444.545351][    C0]  ? dev_hard_start_xmit+0x773/0x7e0
[  444.550693][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  444.555911][    C0]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  444.561823][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  444.567308][    C0]  __dev_queue_xmit+0x1763/0x3e90
[  444.572376][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  444.577509][    C0]  ? __pfx___dev_queue_xmit+0x10/0x10
[  444.582929][    C0]  ? mark_lock+0x9a/0x350
[  444.587345][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  444.593320][    C0]  ? ip_finish_output2+0xa14/0x1390
[  444.598610][    C0]  ? ip_finish_output2+0x45f/0x1390
[  444.603801][    C0]  ip_finish_output2+0xd41/0x1390
[  444.609116][    C0]  ? ip_finish_output2+0x45f/0x1390
[  444.614422][    C0]  ? __pfx_ip_finish_output2+0x10/0x10
[  444.619991][    C0]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  444.624840][    C0]  ? __ip_finish_output+0x349/0x400
[  444.630069][    C0]  __ip_queue_xmit+0x118c/0x1b80
[  444.635015][    C0]  ? __ip_queue_xmit+0x5f/0x1b80
[  444.640070][    C0]  dccp_transmit_skb+0xf41/0x16a0
[  444.645250][    C0]  dccp_xmit_packet+0x376/0x610
[  444.650336][    C0]  ? __virt_addr_valid+0x183/0x530
[  444.655500][    C0]  dccp_write_xmit+0x138/0x220
[  444.660523][    C0]  dccp_sendmsg+0x76f/0xba0
[  444.665210][    C0]  ? __pfx_dccp_sendmsg+0x10/0x10
[  444.670528][    C0]  ? sock_rps_record_flow+0x1a/0x400
[  444.676001][    C0]  ? inet_sendmsg+0x330/0x390
[  444.680673][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  444.685948][    C0]  ? security_socket_sendmsg+0x87/0xb0
[  444.691599][    C0]  __sock_sendmsg+0x1a6/0x270
[  444.696305][    C0]  ____sys_sendmsg+0x525/0x7d0
[  444.701266][    C0]  ? __pfx_____sys_sendmsg+0x10/0x10
[  444.706956][    C0]  __sys_sendmsg+0x2b0/0x3a0
[  444.711968][    C0]  ? __pfx___sys_sendmsg+0x10/0x10
[  444.717220][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  444.723403][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  444.729735][    C0]  ? exc_page_fault+0x590/0x8c0
[  444.734673][    C0]  ? do_syscall_64+0xb6/0x230
[  444.739832][    C0]  do_syscall_64+0xf3/0x230
[  444.744475][    C0]  ? clear_bhb_loop+0x35/0x90
[  444.749385][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  444.755431][    C0] RIP: 0033:0x7f567dc63c69
[  444.759929][    C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  444.779973][    C0] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  444.788587][    C0] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  444.796672][    C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  444.804691][    C0] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  444.812855][    C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  444.820850][    C0] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  444.828859][    C0]  </TASK>
[  444.936153][    C1] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  444.950705][    C1] CPU: 1 UID: 0 PID: 14270 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  444.961428][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  444.971857][    C1] Call Trace:
[  444.975317][    C1]  <IRQ>
[  444.978158][    C1]  dump_stack_lvl+0x241/0x360
[  444.982965][    C1]  ? __pfx_dump_stack_lvl+0x10/0x10
[  444.988295][    C1]  ? __pfx__printk+0x10/0x10
[  444.993021][    C1]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  444.998430][    C1]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  445.004075][    C1]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  445.009544][    C1]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  445.015636][    C1]  dccp_rcv_established+0x1bb/0x320
[  445.020953][    C1]  dccp_v4_do_rcv+0xff/0x1f0
[  445.025556][    C1]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  445.031235][    C1]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  445.036459][    C1]  __sk_receive_skb+0x82b/0x8b0
[  445.041612][    C1]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  445.046650][    C1]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  445.051603][    C1]  ip_protocol_deliver_rcu+0x2e9/0x440
[  445.057413][    C1]  ? ip_local_deliver_finish+0x230/0x5f0
[  445.063189][    C1]  ip_local_deliver_finish+0x341/0x5f0
[  445.068846][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  445.074935][    C1]  NF_HOOK+0x3a4/0x450
[  445.079129][    C1]  ? NF_HOOK+0x9a/0x450
[  445.083325][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  445.087937][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  445.093951][    C1]  ? ip_rcv_finish+0x406/0x560
[  445.098931][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  445.104149][    C1]  NF_HOOK+0x3a4/0x450
[  445.108502][    C1]  ? __lock_acquire+0x137a/0x2040
[  445.113892][    C1]  ? NF_HOOK+0x9a/0x450
[  445.118397][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  445.123084][    C1]  ? ip_rcv_core+0x801/0xd10
[  445.127900][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  445.133147][    C1]  ? __pfx_ip_rcv+0x10/0x10
[  445.137657][    C1]  __netif_receive_skb+0x2bf/0x650
[  445.142781][    C1]  ? __pfx_lock_acquire+0x10/0x10
[  445.147814][    C1]  ? __pfx___netif_receive_skb+0x10/0x10
[  445.153543][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  445.159615][    C1]  ? __pfx_lock_release+0x10/0x10
[  445.164916][    C1]  ? _raw_spin_lock_irq+0xdf/0x120
[  445.170064][    C1]  process_backlog+0x662/0x15b0
[  445.175000][    C1]  ? process_backlog+0x33b/0x15b0
[  445.180149][    C1]  ? __pfx_process_backlog+0x10/0x10
[  445.185481][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  445.191664][    C1]  ? attach_entity_load_avg+0x452/0x520
[  445.197408][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  445.203852][    C1]  __napi_poll+0xcb/0x490
[  445.208239][    C1]  net_rx_action+0x89b/0x1240
[  445.213075][    C1]  ? __pfx_net_rx_action+0x10/0x10
[  445.218322][    C1]  ? sched_clock+0x4a/0x70
[  445.222778][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  445.229247][    C1]  handle_softirqs+0x2c4/0x970
[  445.234052][    C1]  ? do_softirq+0x11b/0x1e0
[  445.238744][    C1]  ? __pfx_handle_softirqs+0x10/0x10
[  445.244213][    C1]  ? rcu_is_watching+0x15/0xb0
[  445.248996][    C1]  do_softirq+0x11b/0x1e0
[  445.253523][    C1]  </IRQ>
[  445.256515][    C1]  <TASK>
[  445.259534][    C1]  ? __pfx_do_softirq+0x10/0x10
[  445.264595][    C1]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  445.270686][    C1]  ? rcu_is_watching+0x15/0xb0
[  445.275483][    C1]  __local_bh_enable_ip+0x1bb/0x200
[  445.280700][    C1]  ? dev_hard_start_xmit+0x773/0x7e0
[  445.286124][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  445.291262][    C1]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  445.297003][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  445.302395][    C1]  __dev_queue_xmit+0x1763/0x3e90
[  445.307695][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  445.313229][    C1]  ? __pfx___dev_queue_xmit+0x10/0x10
[  445.319095][    C1]  ? mark_lock+0x9a/0x350
[  445.323454][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  445.329589][    C1]  ? ip_finish_output2+0xa14/0x1390
[  445.334895][    C1]  ? ip_finish_output2+0x45f/0x1390
[  445.340294][    C1]  ip_finish_output2+0xd41/0x1390
[  445.345519][    C1]  ? ip_finish_output2+0x45f/0x1390
[  445.350783][    C1]  ? __pfx_ip_finish_output2+0x10/0x10
[  445.356364][    C1]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  445.361249][    C1]  ? __ip_finish_output+0x349/0x400
[  445.366561][    C1]  __ip_queue_xmit+0x118c/0x1b80
[  445.371603][    C1]  ? __ip_queue_xmit+0x5f/0x1b80
[  445.376556][    C1]  dccp_transmit_skb+0xf41/0x16a0
[  445.381678][    C1]  dccp_xmit_packet+0x376/0x610
[  445.386846][    C1]  ? __virt_addr_valid+0x183/0x530
[  445.392000][    C1]  dccp_write_xmit+0x138/0x220
[  445.397004][    C1]  dccp_sendmsg+0x76f/0xba0
[  445.401868][    C1]  ? __pfx_dccp_sendmsg+0x10/0x10
[  445.407075][    C1]  ? sock_rps_record_flow+0x1a/0x400
[  445.412475][    C1]  ? inet_sendmsg+0x330/0x390
[  445.417361][    C1]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  445.422758][    C1]  ? security_socket_sendmsg+0x87/0xb0
[  445.428437][    C1]  __sock_sendmsg+0x1a6/0x270
[  445.433315][    C1]  ____sys_sendmsg+0x525/0x7d0
[  445.438191][    C1]  ? __pfx_____sys_sendmsg+0x10/0x10
[  445.443822][    C1]  __sys_sendmsg+0x2b0/0x3a0
[  445.448532][    C1]  ? __pfx___sys_sendmsg+0x10/0x10
[  445.453809][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  445.459988][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  445.466590][    C1]  ? exc_page_fault+0x590/0x8c0
[  445.471641][    C1]  ? do_syscall_64+0xb6/0x230
[  445.476467][    C1]  do_syscall_64+0xf3/0x230
[  445.481006][    C1]  ? clear_bhb_loop+0x35/0x90
[  445.485987][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  445.491991][    C1] RIP: 0033:0x7f567dc63c69
[  445.496411][    C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  445.516576][    C1] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  445.525266][    C1] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  445.533280][    C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  445.541427][    C1] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  445.549420][    C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  445.557590][    C1] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  445.565728][    C1]  </TASK>
[  445.697675][    C0] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  445.711916][    C0] CPU: 0 UID: 0 PID: 14291 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  445.722721][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  445.733076][    C0] Call Trace:
[  445.736578][    C0]  <IRQ>
[  445.739484][    C0]  dump_stack_lvl+0x241/0x360
[  445.744496][    C0]  ? __pfx_dump_stack_lvl+0x10/0x10
[  445.749753][    C0]  ? __pfx__printk+0x10/0x10
[  445.754480][    C0]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  445.760609][    C0]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  445.767212][    C0]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  445.773208][    C0]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  445.779343][    C0]  dccp_rcv_established+0x1bb/0x320
[  445.785008][    C0]  dccp_v4_do_rcv+0xff/0x1f0
[  445.789716][    C0]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  445.795406][    C0]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  445.800808][    C0]  __sk_receive_skb+0x82b/0x8b0
[  445.805702][    C0]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  445.810745][    C0]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  445.815967][    C0]  ip_protocol_deliver_rcu+0x2e9/0x440
[  445.821459][    C0]  ? ip_local_deliver_finish+0x230/0x5f0
[  445.827240][    C0]  ip_local_deliver_finish+0x341/0x5f0
[  445.832766][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  445.838801][    C0]  NF_HOOK+0x3a4/0x450
[  445.843115][    C0]  ? NF_HOOK+0x9a/0x450
[  445.847357][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  445.852005][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  445.858051][    C0]  ? ip_rcv_finish+0x406/0x560
[  445.862979][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  445.868322][    C0]  NF_HOOK+0x3a4/0x450
[  445.872434][    C0]  ? __lock_acquire+0x137a/0x2040
[  445.877507][    C0]  ? NF_HOOK+0x9a/0x450
[  445.881724][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  445.886434][    C0]  ? ip_rcv_core+0x801/0xd10
[  445.891056][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  445.896297][    C0]  ? __pfx_ip_rcv+0x10/0x10
[  445.901126][    C0]  __netif_receive_skb+0x2bf/0x650
[  445.906269][    C0]  ? __pfx_lock_acquire+0x10/0x10
[  445.911604][    C0]  ? __pfx___netif_receive_skb+0x10/0x10
[  445.917294][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  445.923333][    C0]  ? __pfx_lock_release+0x10/0x10
[  445.928470][    C0]  ? _raw_spin_lock_irq+0xdf/0x120
[  445.933845][    C0]  process_backlog+0x662/0x15b0
[  445.938919][    C0]  ? process_backlog+0x33b/0x15b0
[  445.944214][    C0]  ? __pfx_process_backlog+0x10/0x10
[  445.949614][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  445.956122][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  445.962953][    C0]  __napi_poll+0xcb/0x490
[  445.967443][    C0]  net_rx_action+0x89b/0x1240
[  445.972203][    C0]  ? __pfx_net_rx_action+0x10/0x10
[  445.977437][    C0]  ? sched_clock+0x4a/0x70
[  445.981932][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  445.988299][    C0]  handle_softirqs+0x2c4/0x970
[  445.993225][    C0]  ? do_softirq+0x11b/0x1e0
[  445.997754][    C0]  ? __pfx_handle_softirqs+0x10/0x10
[  446.003181][    C0]  do_softirq+0x11b/0x1e0
[  446.007557][    C0]  </IRQ>
[  446.010526][    C0]  <TASK>
[  446.013485][    C0]  ? __pfx_do_softirq+0x10/0x10
[  446.018376][    C0]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  446.024071][    C0]  ? rcu_is_watching+0x15/0xb0
[  446.028876][    C0]  __local_bh_enable_ip+0x1bb/0x200
[  446.034199][    C0]  ? dev_hard_start_xmit+0x773/0x7e0
[  446.039514][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  446.044654][    C0]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  446.050486][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  446.055730][    C0]  __dev_queue_xmit+0x1763/0x3e90
[  446.060770][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  446.065893][    C0]  ? __pfx___dev_queue_xmit+0x10/0x10
[  446.071292][    C0]  ? mark_lock+0x9a/0x350
[  446.075717][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  446.081830][    C0]  ? ip_finish_output2+0xa14/0x1390
[  446.087121][    C0]  ? ip_finish_output2+0x45f/0x1390
[  446.092327][    C0]  ip_finish_output2+0xd41/0x1390
[  446.097632][    C0]  ? ip_finish_output2+0x45f/0x1390
[  446.102846][    C0]  ? __pfx_ip_finish_output2+0x10/0x10
[  446.108832][    C0]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  446.113884][    C0]  ? __ip_finish_output+0x349/0x400
[  446.119227][    C0]  __ip_queue_xmit+0x118c/0x1b80
[  446.124352][    C0]  ? __ip_queue_xmit+0x5f/0x1b80
[  446.129379][    C0]  dccp_transmit_skb+0xf41/0x16a0
[  446.134425][    C0]  dccp_xmit_packet+0x376/0x610
[  446.139487][    C0]  ? __virt_addr_valid+0x183/0x530
[  446.144621][    C0]  dccp_write_xmit+0x138/0x220
[  446.149515][    C0]  dccp_sendmsg+0x76f/0xba0
[  446.154065][    C0]  ? __pfx_dccp_sendmsg+0x10/0x10
[  446.159098][    C0]  ? sock_rps_record_flow+0x1a/0x400
[  446.164598][    C0]  ? inet_sendmsg+0x330/0x390
[  446.169401][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  446.174972][    C0]  ? security_socket_sendmsg+0x87/0xb0
[  446.180540][    C0]  __sock_sendmsg+0x1a6/0x270
[  446.185249][    C0]  ____sys_sendmsg+0x525/0x7d0
[  446.190312][    C0]  ? __pfx_____sys_sendmsg+0x10/0x10
[  446.195732][    C0]  __sys_sendmsg+0x2b0/0x3a0
[  446.200379][    C0]  ? __pfx___sys_sendmsg+0x10/0x10
[  446.205555][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  446.211560][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  446.218031][    C0]  ? exc_page_fault+0x590/0x8c0
[  446.222926][    C0]  ? do_syscall_64+0xb6/0x230
[  446.227689][    C0]  do_syscall_64+0xf3/0x230
[  446.232299][    C0]  ? clear_bhb_loop+0x35/0x90
[  446.237183][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  446.243102][    C0] RIP: 0033:0x7f567dc63c69
[  446.247530][    C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  446.267251][    C0] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  446.276031][    C0] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  446.284505][    C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  446.292840][    C0] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  446.301124][    C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  446.309216][    C0] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  446.317300][    C0]  </TASK>
[  446.343196][    C0] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  446.357488][    C0] CPU: 0 UID: 0 PID: 14294 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  446.368443][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  446.378669][    C0] Call Trace:
[  446.382119][    C0]  <IRQ>
[  446.385130][    C0]  dump_stack_lvl+0x241/0x360
[  446.389889][    C0]  ? __pfx_dump_stack_lvl+0x10/0x10
[  446.395283][    C0]  ? __pfx__printk+0x10/0x10
[  446.400256][    C0]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  446.406180][    C0]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  446.411934][    C0]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  446.417425][    C0]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  446.423606][    C0]  dccp_rcv_established+0x1bb/0x320
[  446.428926][    C0]  dccp_v4_do_rcv+0xff/0x1f0
[  446.433637][    C0]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  446.439549][    C0]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  446.445000][    C0]  __sk_receive_skb+0x82b/0x8b0
[  446.449960][    C0]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  446.454919][    C0]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  446.459799][    C0]  ip_protocol_deliver_rcu+0x2e9/0x440
[  446.465355][    C0]  ? ip_local_deliver_finish+0x230/0x5f0
[  446.471028][    C0]  ip_local_deliver_finish+0x341/0x5f0
[  446.476685][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  446.482936][    C0]  NF_HOOK+0x3a4/0x450
[  446.487121][    C0]  ? NF_HOOK+0x9a/0x450
[  446.491317][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  446.495923][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  446.502061][    C0]  ? ip_rcv_finish+0x406/0x560
[  446.506930][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  446.512159][    C0]  NF_HOOK+0x3a4/0x450
[  446.516253][    C0]  ? __lock_acquire+0x137a/0x2040
[  446.521303][    C0]  ? NF_HOOK+0x9a/0x450
[  446.525473][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  446.530155][    C0]  ? ip_rcv_core+0x801/0xd10
[  446.534760][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  446.539988][    C0]  ? __pfx_ip_rcv+0x10/0x10
[  446.544530][    C0]  __netif_receive_skb+0x2bf/0x650
[  446.549787][    C0]  ? __pfx_lock_acquire+0x10/0x10
[  446.555009][    C0]  ? __pfx___netif_receive_skb+0x10/0x10
[  446.560749][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  446.567017][    C0]  ? __pfx_lock_release+0x10/0x10
[  446.572297][    C0]  ? _raw_spin_lock_irq+0xdf/0x120
[  446.577619][    C0]  process_backlog+0x662/0x15b0
[  446.583092][    C0]  ? process_backlog+0x33b/0x15b0
[  446.588699][    C0]  ? __pfx_process_backlog+0x10/0x10
[  446.594544][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  446.601198][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  446.607722][    C0]  __napi_poll+0xcb/0x490
[  446.612517][    C0]  net_rx_action+0x89b/0x1240
[  446.617204][    C0]  ? __pfx_net_rx_action+0x10/0x10
[  446.622492][    C0]  ? sched_clock+0x4a/0x70
[  446.626908][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  446.633236][    C0]  handle_softirqs+0x2c4/0x970
[  446.638003][    C0]  ? do_softirq+0x11b/0x1e0
[  446.642602][    C0]  ? __pfx_handle_softirqs+0x10/0x10
[  446.647912][    C0]  ? rcu_is_watching+0x15/0xb0
[  446.652949][    C0]  do_softirq+0x11b/0x1e0
[  446.657279][    C0]  </IRQ>
[  446.660197][    C0]  <TASK>
[  446.663330][    C0]  ? __pfx_do_softirq+0x10/0x10
[  446.668404][    C0]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  446.674052][    C0]  ? rcu_is_watching+0x15/0xb0
[  446.678941][    C0]  __local_bh_enable_ip+0x1bb/0x200
[  446.684336][    C0]  ? dev_hard_start_xmit+0x773/0x7e0
[  446.689626][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  446.694911][    C0]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  446.700678][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  446.705814][    C0]  __dev_queue_xmit+0x1763/0x3e90
[  446.711200][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  446.716330][    C0]  ? __pfx___dev_queue_xmit+0x10/0x10
[  446.721836][    C0]  ? mark_lock+0x9a/0x350
[  446.726261][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  446.732360][    C0]  ? ip_finish_output2+0xa14/0x1390
[  446.737582][    C0]  ? ip_finish_output2+0x45f/0x1390
[  446.742782][    C0]  ip_finish_output2+0xd41/0x1390
[  446.747799][    C0]  ? ip_finish_output2+0x45f/0x1390
[  446.753018][    C0]  ? __pfx_ip_finish_output2+0x10/0x10
[  446.758495][    C0]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  446.763393][    C0]  ? __ip_finish_output+0x349/0x400
[  446.768801][    C0]  __ip_queue_xmit+0x118c/0x1b80
[  446.774307][    C0]  ? __ip_queue_xmit+0x5f/0x1b80
[  446.780736][    C0]  dccp_transmit_skb+0xf41/0x16a0
[  446.787136][    C0]  dccp_xmit_packet+0x376/0x610
[  446.792635][    C0]  ? __virt_addr_valid+0x183/0x530
[  446.798096][    C0]  dccp_write_xmit+0x138/0x220
[  446.802903][    C0]  dccp_sendmsg+0x76f/0xba0
[  446.807614][    C0]  ? __pfx_dccp_sendmsg+0x10/0x10
[  446.812665][    C0]  ? sock_rps_record_flow+0x1a/0x400
[  446.818222][    C0]  ? inet_sendmsg+0x330/0x390
[  446.823181][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  446.828511][    C0]  ? security_socket_sendmsg+0x87/0xb0
[  446.834111][    C0]  __sock_sendmsg+0x1a6/0x270
[  446.838822][    C0]  ____sys_sendmsg+0x525/0x7d0
[  446.843714][    C0]  ? __pfx_____sys_sendmsg+0x10/0x10
[  446.849307][    C0]  __sys_sendmsg+0x2b0/0x3a0
[  446.854071][    C0]  ? __pfx___sys_sendmsg+0x10/0x10
[  446.859397][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  446.865899][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  446.872884][    C0]  ? exc_page_fault+0x590/0x8c0
[  446.878303][    C0]  ? do_syscall_64+0xb6/0x230
[  446.883280][    C0]  do_syscall_64+0xf3/0x230
[  446.888085][    C0]  ? clear_bhb_loop+0x35/0x90
[  446.892903][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  446.899023][    C0] RIP: 0033:0x7f567dc63c69
[  446.903702][    C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  446.924219][    C0] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  446.932869][    C0] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  446.941295][    C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  446.949459][    C0] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  446.957796][    C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  446.966317][    C0] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  446.974571][    C0]  </TASK>
[  447.061988][    C1] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  447.076392][    C1] CPU: 1 UID: 0 PID: 14310 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  447.087349][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  447.097515][    C1] Call Trace:
[  447.100821][    C1]  <IRQ>
[  447.103694][    C1]  dump_stack_lvl+0x241/0x360
[  447.110909][    C1]  ? __pfx_dump_stack_lvl+0x10/0x10
[  447.119170][    C1]  ? __pfx__printk+0x10/0x10
[  447.123777][    C1]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  447.129176][    C1]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  447.134825][    C1]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  447.140478][    C1]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  447.146534][    C1]  dccp_rcv_established+0x1bb/0x320
[  447.151843][    C1]  dccp_v4_do_rcv+0xff/0x1f0
[  447.156575][    C1]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  447.162400][    C1]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  447.167871][    C1]  __sk_receive_skb+0x82b/0x8b0
[  447.172904][    C1]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  447.177952][    C1]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  447.182825][    C1]  ip_protocol_deliver_rcu+0x2e9/0x440
[  447.188303][    C1]  ? ip_local_deliver_finish+0x230/0x5f0
[  447.194068][    C1]  ip_local_deliver_finish+0x341/0x5f0
[  447.199734][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  447.205732][    C1]  NF_HOOK+0x3a4/0x450
[  447.210246][    C1]  ? NF_HOOK+0x9a/0x450
[  447.214407][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  447.219031][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  447.225042][    C1]  ? ip_rcv_finish+0x406/0x560
[  447.229836][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  447.235067][    C1]  NF_HOOK+0x3a4/0x450
[  447.239180][    C1]  ? __lock_acquire+0x137a/0x2040
[  447.244224][    C1]  ? NF_HOOK+0x9a/0x450
[  447.248404][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  447.253068][    C1]  ? ip_rcv_core+0x801/0xd10
[  447.257766][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  447.263050][    C1]  ? __pfx_ip_rcv+0x10/0x10
[  447.267665][    C1]  __netif_receive_skb+0x2bf/0x650
[  447.273241][    C1]  ? __pfx_lock_acquire+0x10/0x10
[  447.278448][    C1]  ? __pfx___netif_receive_skb+0x10/0x10
[  447.284286][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  447.290301][    C1]  ? __pfx_lock_release+0x10/0x10
[  447.295344][    C1]  ? _raw_spin_lock_irq+0xdf/0x120
[  447.301124][    C1]  process_backlog+0x662/0x15b0
[  447.306257][    C1]  ? process_backlog+0x33b/0x15b0
[  447.311320][    C1]  ? __pfx_process_backlog+0x10/0x10
[  447.316697][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  447.323038][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  447.329384][    C1]  __napi_poll+0xcb/0x490
[  447.333728][    C1]  net_rx_action+0x89b/0x1240
[  447.338631][    C1]  ? __pfx_net_rx_action+0x10/0x10
[  447.343955][    C1]  ? sched_clock+0x4a/0x70
[  447.348467][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  447.355002][    C1]  handle_softirqs+0x2c4/0x970
[  447.359792][    C1]  ? do_softirq+0x11b/0x1e0
[  447.364504][    C1]  ? __pfx_handle_softirqs+0x10/0x10
[  447.369825][    C1]  ? rcu_is_watching+0x15/0xb0
[  447.374679][    C1]  do_softirq+0x11b/0x1e0
[  447.379011][    C1]  </IRQ>
[  447.382019][    C1]  <TASK>
[  447.385043][    C1]  ? __pfx_do_softirq+0x10/0x10
[  447.389931][    C1]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  447.395679][    C1]  ? rcu_is_watching+0x15/0xb0
[  447.400543][    C1]  __local_bh_enable_ip+0x1bb/0x200
[  447.405740][    C1]  ? dev_hard_start_xmit+0x773/0x7e0
[  447.411215][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  447.416351][    C1]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  447.422112][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  447.428023][    C1]  __dev_queue_xmit+0x1763/0x3e90
[  447.433208][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  447.438354][    C1]  ? __pfx___dev_queue_xmit+0x10/0x10
[  447.443850][    C1]  ? mark_lock+0x9a/0x350
[  447.448325][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  447.454421][    C1]  ? ip_finish_output2+0xa14/0x1390
[  447.459720][    C1]  ? ip_finish_output2+0x45f/0x1390
[  447.464999][    C1]  ip_finish_output2+0xd41/0x1390
[  447.470030][    C1]  ? ip_finish_output2+0x45f/0x1390
[  447.475442][    C1]  ? __pfx_ip_finish_output2+0x10/0x10
[  447.481078][    C1]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  447.486120][    C1]  ? __ip_finish_output+0x349/0x400
[  447.491412][    C1]  __ip_queue_xmit+0x118c/0x1b80
[  447.496453][    C1]  ? __ip_queue_xmit+0x5f/0x1b80
[  447.501565][    C1]  dccp_transmit_skb+0xf41/0x16a0
[  447.506706][    C1]  dccp_xmit_packet+0x376/0x610
[  447.511570][    C1]  ? __virt_addr_valid+0x183/0x530
[  447.516693][    C1]  dccp_write_xmit+0x138/0x220
[  447.521461][    C1]  dccp_sendmsg+0x76f/0xba0
[  447.526063][    C1]  ? __pfx_dccp_sendmsg+0x10/0x10
[  447.531108][    C1]  ? sock_rps_record_flow+0x1a/0x400
[  447.536663][    C1]  ? inet_sendmsg+0x330/0x390
[  447.541523][    C1]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  447.546834][    C1]  ? security_socket_sendmsg+0x87/0xb0
[  447.552481][    C1]  __sock_sendmsg+0x1a6/0x270
[  447.557168][    C1]  ____sys_sendmsg+0x525/0x7d0
[  447.561958][    C1]  ? __pfx_____sys_sendmsg+0x10/0x10
[  447.567377][    C1]  __sys_sendmsg+0x2b0/0x3a0
[  447.571983][    C1]  ? __pfx___sys_sendmsg+0x10/0x10
[  447.577225][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  447.583405][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  447.589756][    C1]  ? exc_page_fault+0x590/0x8c0
[  447.594703][    C1]  ? do_syscall_64+0xb6/0x230
[  447.599394][    C1]  do_syscall_64+0xf3/0x230
[  447.604015][    C1]  ? clear_bhb_loop+0x35/0x90
[  447.608769][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  447.614682][    C1] RIP: 0033:0x7f567dc63c69
[  447.619101][    C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  447.638883][    C1] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  447.647300][    C1] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  447.655270][    C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  447.663257][    C1] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  447.671319][    C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  447.679644][    C1] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  447.688248][    C1]  </TASK>
[  447.713155][    C0] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  447.727726][    C0] CPU: 0 UID: 0 PID: 14315 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  447.738858][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  447.749170][    C0] Call Trace:
[  447.752447][    C0]  <IRQ>
[  447.755380][    C0]  dump_stack_lvl+0x241/0x360
[  447.760163][    C0]  ? __pfx_dump_stack_lvl+0x10/0x10
[  447.765358][    C0]  ? __pfx__printk+0x10/0x10
[  447.769941][    C0]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  447.775309][    C0]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  447.780773][    C0]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  447.786398][    C0]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  447.792405][    C0]  dccp_rcv_established+0x1bb/0x320
[  447.797716][    C0]  dccp_v4_do_rcv+0xff/0x1f0
[  447.802337][    C0]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  447.807987][    C0]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  447.813209][    C0]  __sk_receive_skb+0x82b/0x8b0
[  447.818087][    C0]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  447.823027][    C0]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  447.827870][    C0]  ip_protocol_deliver_rcu+0x2e9/0x440
[  447.833377][    C0]  ? ip_local_deliver_finish+0x230/0x5f0
[  447.839046][    C0]  ip_local_deliver_finish+0x341/0x5f0
[  447.844645][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  447.850671][    C0]  NF_HOOK+0x3a4/0x450
[  447.855073][    C0]  ? NF_HOOK+0x9a/0x450
[  447.859223][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  447.864063][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  447.870394][    C0]  ? ip_rcv_finish+0x406/0x560
[  447.875151][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  447.880370][    C0]  NF_HOOK+0x3a4/0x450
[  447.884690][    C0]  ? __lock_acquire+0x137a/0x2040
[  447.889802][    C0]  ? NF_HOOK+0x9a/0x450
[  447.893944][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  447.898519][    C0]  ? ip_rcv_core+0x801/0xd10
[  447.903122][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  447.908314][    C0]  ? __pfx_ip_rcv+0x10/0x10
[  447.912957][    C0]  __netif_receive_skb+0x2bf/0x650
[  447.918094][    C0]  ? __pfx_lock_acquire+0x10/0x10
[  447.923154][    C0]  ? __pfx___netif_receive_skb+0x10/0x10
[  447.929218][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  447.935193][    C0]  ? __pfx_lock_release+0x10/0x10
[  447.940300][    C0]  ? _raw_spin_lock_irq+0xdf/0x120
[  447.945427][    C0]  process_backlog+0x662/0x15b0
[  447.950271][    C0]  ? process_backlog+0x33b/0x15b0
[  447.955591][    C0]  ? __pfx_process_backlog+0x10/0x10
[  447.961076][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  447.967151][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  447.973474][    C0]  __napi_poll+0xcb/0x490
[  447.977802][    C0]  net_rx_action+0x89b/0x1240
[  447.982492][    C0]  ? __pfx_net_rx_action+0x10/0x10
[  447.987600][    C0]  ? sched_clock+0x4a/0x70
[  447.992205][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  447.998528][    C0]  handle_softirqs+0x2c4/0x970
[  448.003289][    C0]  ? do_softirq+0x11b/0x1e0
[  448.007808][    C0]  ? __pfx_handle_softirqs+0x10/0x10
[  448.013173][    C0]  ? rcu_is_watching+0x15/0xb0
[  448.017981][    C0]  do_softirq+0x11b/0x1e0
[  448.022473][    C0]  </IRQ>
[  448.025417][    C0]  <TASK>
[  448.028357][    C0]  ? __pfx_do_softirq+0x10/0x10
[  448.033349][    C0]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  448.039105][    C0]  ? rcu_is_watching+0x15/0xb0
[  448.043983][    C0]  __local_bh_enable_ip+0x1bb/0x200
[  448.049191][    C0]  ? dev_hard_start_xmit+0x773/0x7e0
[  448.054476][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  448.059682][    C0]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  448.065592][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  448.070699][    C0]  __dev_queue_xmit+0x1763/0x3e90
[  448.075726][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  448.081024][    C0]  ? __pfx___dev_queue_xmit+0x10/0x10
[  448.086553][    C0]  ? mark_lock+0x9a/0x350
[  448.091244][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  448.097256][    C0]  ? ip_finish_output2+0xa14/0x1390
[  448.102486][    C0]  ? ip_finish_output2+0x45f/0x1390
[  448.107709][    C0]  ip_finish_output2+0xd41/0x1390
[  448.112765][    C0]  ? ip_finish_output2+0x45f/0x1390
[  448.118077][    C0]  ? __pfx_ip_finish_output2+0x10/0x10
[  448.123541][    C0]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  448.128419][    C0]  ? __ip_finish_output+0x349/0x400
[  448.134043][    C0]  __ip_queue_xmit+0x118c/0x1b80
[  448.139022][    C0]  ? __ip_queue_xmit+0x5f/0x1b80
[  448.144055][    C0]  dccp_transmit_skb+0xf41/0x16a0
[  448.149084][    C0]  dccp_xmit_packet+0x376/0x610
[  448.153936][    C0]  ? __virt_addr_valid+0x183/0x530
[  448.159069][    C0]  dccp_write_xmit+0x138/0x220
[  448.163913][    C0]  dccp_sendmsg+0x76f/0xba0
[  448.168514][    C0]  ? __pfx_dccp_sendmsg+0x10/0x10
[  448.173615][    C0]  ? sock_rps_record_flow+0x1a/0x400
[  448.178905][    C0]  ? inet_sendmsg+0x330/0x390
[  448.183585][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  448.189026][    C0]  ? security_socket_sendmsg+0x87/0xb0
[  448.194574][    C0]  __sock_sendmsg+0x1a6/0x270
[  448.199374][    C0]  ____sys_sendmsg+0x525/0x7d0
[  448.204226][    C0]  ? __pfx_____sys_sendmsg+0x10/0x10
[  448.209611][    C0]  __sys_sendmsg+0x2b0/0x3a0
[  448.214314][    C0]  ? __pfx___sys_sendmsg+0x10/0x10
[  448.219466][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  448.225488][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  448.231848][    C0]  ? exc_page_fault+0x590/0x8c0
[  448.236716][    C0]  ? do_syscall_64+0xb6/0x230
[  448.241386][    C0]  do_syscall_64+0xf3/0x230
[  448.245878][    C0]  ? clear_bhb_loop+0x35/0x90
[  448.250542][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  448.256508][    C0] RIP: 0033:0x7f567dc63c69
[  448.260928][    C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  448.280808][    C0] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  448.289224][    C0] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  448.297364][    C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  448.305501][    C0] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  448.313479][    C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  448.321638][    C0] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  448.329790][    C0]  </TASK>
[  448.532627][    C0] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  448.546881][    C0] CPU: 0 UID: 0 PID: 14351 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  448.557594][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  448.568117][    C0] Call Trace:
[  448.571413][    C0]  <IRQ>
[  448.574268][    C0]  dump_stack_lvl+0x241/0x360
[  448.579062][    C0]  ? __pfx_dump_stack_lvl+0x10/0x10
[  448.584266][    C0]  ? __pfx__printk+0x10/0x10
[  448.588895][    C0]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  448.594278][    C0]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  448.599780][    C0]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  448.605283][    C0]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  448.611292][    C0]  dccp_rcv_established+0x1bb/0x320
[  448.616537][    C0]  dccp_v4_do_rcv+0xff/0x1f0
[  448.621233][    C0]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  448.627136][    C0]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  448.632339][    C0]  __sk_receive_skb+0x82b/0x8b0
[  448.637192][    C0]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  448.642218][    C0]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  448.647100][    C0]  ip_protocol_deliver_rcu+0x2e9/0x440
[  448.652564][    C0]  ? ip_local_deliver_finish+0x230/0x5f0
[  448.658366][    C0]  ip_local_deliver_finish+0x341/0x5f0
[  448.663900][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  448.669983][    C0]  NF_HOOK+0x3a4/0x450
[  448.674053][    C0]  ? NF_HOOK+0x9a/0x450
[  448.678205][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  448.682794][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  448.688877][    C0]  ? ip_rcv_finish+0x406/0x560
[  448.693635][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  448.698898][    C0]  NF_HOOK+0x3a4/0x450
[  448.703051][    C0]  ? __lock_acquire+0x137a/0x2040
[  448.708098][    C0]  ? NF_HOOK+0x9a/0x450
[  448.712247][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  448.716884][    C0]  ? ip_rcv_core+0x801/0xd10
[  448.721560][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  448.726668][    C0]  ? __pfx_ip_rcv+0x10/0x10
[  448.731174][    C0]  __netif_receive_skb+0x2bf/0x650
[  448.736290][    C0]  ? __pfx_lock_acquire+0x10/0x10
[  448.741322][    C0]  ? __pfx___netif_receive_skb+0x10/0x10
[  448.746949][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  448.752924][    C0]  ? __pfx_lock_release+0x10/0x10
[  448.757952][    C0]  ? _raw_spin_lock_irq+0xdf/0x120
[  448.763081][    C0]  process_backlog+0x662/0x15b0
[  448.768248][    C0]  ? process_backlog+0x33b/0x15b0
[  448.773298][    C0]  ? __pfx_process_backlog+0x10/0x10
[  448.778575][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  448.784650][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  448.791060][    C0]  __napi_poll+0xcb/0x490
[  448.795390][    C0]  net_rx_action+0x89b/0x1240
[  448.800084][    C0]  ? __pfx_net_rx_action+0x10/0x10
[  448.805286][    C0]  ? sched_clock+0x4a/0x70
[  448.809710][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  448.816047][    C0]  handle_softirqs+0x2c4/0x970
[  448.820900][    C0]  ? do_softirq+0x11b/0x1e0
[  448.825400][    C0]  ? __pfx_handle_softirqs+0x10/0x10
[  448.830688][    C0]  do_softirq+0x11b/0x1e0
[  448.835035][    C0]  </IRQ>
[  448.837960][    C0]  <TASK>
[  448.840969][    C0]  ? __pfx_do_softirq+0x10/0x10
[  448.845837][    C0]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  448.851649][    C0]  ? rcu_is_watching+0x15/0xb0
[  448.856466][    C0]  __local_bh_enable_ip+0x1bb/0x200
[  448.861684][    C0]  ? dev_hard_start_xmit+0x773/0x7e0
[  448.866967][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  448.872077][    C0]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  448.877884][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  448.883003][    C0]  __dev_queue_xmit+0x1763/0x3e90
[  448.888124][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  448.893247][    C0]  ? __pfx___dev_queue_xmit+0x10/0x10
[  448.898634][    C0]  ? mark_lock+0x9a/0x350
[  448.902968][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  448.909040][    C0]  ? ip_finish_output2+0xa14/0x1390
[  448.914253][    C0]  ? ip_finish_output2+0x45f/0x1390
[  448.919465][    C0]  ip_finish_output2+0xd41/0x1390
[  448.924496][    C0]  ? ip_finish_output2+0x45f/0x1390
[  448.929792][    C0]  ? __pfx_ip_finish_output2+0x10/0x10
[  448.935256][    C0]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  448.940193][    C0]  ? __ip_finish_output+0x349/0x400
[  448.945392][    C0]  __ip_queue_xmit+0x118c/0x1b80
[  448.950335][    C0]  ? __ip_queue_xmit+0x5f/0x1b80
[  448.955293][    C0]  dccp_transmit_skb+0xf41/0x16a0
[  448.960414][    C0]  dccp_xmit_packet+0x376/0x610
[  448.965521][    C0]  ? __virt_addr_valid+0x183/0x530
[  448.970648][    C0]  dccp_write_xmit+0x138/0x220
[  448.975431][    C0]  dccp_sendmsg+0x76f/0xba0
[  448.979936][    C0]  ? __pfx_dccp_sendmsg+0x10/0x10
[  448.984994][    C0]  ? sock_rps_record_flow+0x1a/0x400
[  448.990411][    C0]  ? inet_sendmsg+0x330/0x390
[  448.995107][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  449.000406][    C0]  ? security_socket_sendmsg+0x87/0xb0
[  449.005910][    C0]  __sock_sendmsg+0x1a6/0x270
[  449.010659][    C0]  ____sys_sendmsg+0x525/0x7d0
[  449.015476][    C0]  ? __pfx_____sys_sendmsg+0x10/0x10
[  449.020893][    C0]  __sys_sendmsg+0x2b0/0x3a0
[  449.025513][    C0]  ? __pfx___sys_sendmsg+0x10/0x10
[  449.030661][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  449.036698][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  449.043028][    C0]  ? exc_page_fault+0x590/0x8c0
[  449.047919][    C0]  ? do_syscall_64+0xb6/0x230
[  449.052962][    C0]  do_syscall_64+0xf3/0x230
[  449.057467][    C0]  ? clear_bhb_loop+0x35/0x90
[  449.062320][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  449.068233][    C0] RIP: 0033:0x7f567dc63c69
[  449.072680][    C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  449.092772][    C0] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  449.101321][    C0] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  449.109290][    C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  449.117553][    C0] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  449.125555][    C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  449.133652][    C0] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  449.141734][    C0]  </TASK>
[  449.151818][T14350] net_ratelimit: 25 callbacks suppressed
[  449.151833][T14350] dccp_close: ABORT with 24 bytes unread
[  449.183979][T14356] dccp_close: ABORT with 24 bytes unread
[  449.210202][T14358] dccp_close: ABORT with 24 bytes unread
[  449.234513][T14362] dccp_close: ABORT with 24 bytes unread
[  449.259660][T14366] dccp_close: ABORT with 24 bytes unread
[  449.287511][T14370] dccp_close: ABORT with 24 bytes unread
[  449.311929][T14374] dccp_close: ABORT with 24 bytes unread
[  449.337412][T14378] dccp_close: ABORT with 24 bytes unread
[  449.362187][T14384] dccp_close: ABORT with 24 bytes unread
[  449.387982][T14386] dccp_close: ABORT with 24 bytes unread
[  449.500778][    C0] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  449.514787][    C0] CPU: 0 UID: 0 PID: 14411 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  449.525494][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  449.535675][    C0] Call Trace:
[  449.538979][    C0]  <IRQ>
[  449.541954][    C0]  dump_stack_lvl+0x241/0x360
[  449.546898][    C0]  ? __pfx_dump_stack_lvl+0x10/0x10
[  449.552450][    C0]  ? __pfx__printk+0x10/0x10
[  449.557045][    C0]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  449.562421][    C0]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  449.567881][    C0]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  449.573351][    C0]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  449.579519][    C0]  dccp_rcv_established+0x1bb/0x320
[  449.584863][    C0]  dccp_v4_do_rcv+0xff/0x1f0
[  449.589517][    C0]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  449.595171][    C0]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  449.600462][    C0]  __sk_receive_skb+0x82b/0x8b0
[  449.605540][    C0]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  449.610612][    C0]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  449.615594][    C0]  ip_protocol_deliver_rcu+0x2e9/0x440
[  449.621077][    C0]  ? ip_local_deliver_finish+0x230/0x5f0
[  449.626721][    C0]  ip_local_deliver_finish+0x341/0x5f0
[  449.632191][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  449.638518][    C0]  NF_HOOK+0x3a4/0x450
[  449.642647][    C0]  ? NF_HOOK+0x9a/0x450
[  449.646922][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  449.651511][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  449.657490][    C0]  ? ip_rcv_finish+0x406/0x560
[  449.662249][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  449.667387][    C0]  NF_HOOK+0x3a4/0x450
[  449.671539][    C0]  ? __lock_acquire+0x137a/0x2040
[  449.676664][    C0]  ? NF_HOOK+0x9a/0x450
[  449.680912][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  449.685494][    C0]  ? ip_rcv_core+0x801/0xd10
[  449.690220][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  449.695332][    C0]  ? __pfx_ip_rcv+0x10/0x10
[  449.699868][    C0]  __netif_receive_skb+0x2bf/0x650
[  449.705113][    C0]  ? __pfx_lock_acquire+0x10/0x10
[  449.710285][    C0]  ? __pfx___netif_receive_skb+0x10/0x10
[  449.715932][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  449.721916][    C0]  ? __pfx_lock_release+0x10/0x10
[  449.727041][    C0]  ? _raw_spin_lock_irq+0xdf/0x120
[  449.732263][    C0]  process_backlog+0x662/0x15b0
[  449.737297][    C0]  ? process_backlog+0x33b/0x15b0
[  449.742326][    C0]  ? __pfx_process_backlog+0x10/0x10
[  449.747641][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  449.753630][    C0]  ? attach_entity_load_avg+0x452/0x520
[  449.759188][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  449.765617][    C0]  __napi_poll+0xcb/0x490
[  449.769965][    C0]  net_rx_action+0x89b/0x1240
[  449.774859][    C0]  ? __pfx_net_rx_action+0x10/0x10
[  449.780003][    C0]  ? sched_clock+0x4a/0x70
[  449.784439][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  449.790800][    C0]  handle_softirqs+0x2c4/0x970
[  449.795593][    C0]  ? do_softirq+0x11b/0x1e0
[  449.800102][    C0]  ? __pfx_handle_softirqs+0x10/0x10
[  449.805525][    C0]  ? rcu_is_watching+0x15/0xb0
[  449.810323][    C0]  do_softirq+0x11b/0x1e0
[  449.814695][    C0]  </IRQ>
[  449.817660][    C0]  <TASK>
[  449.820711][    C0]  ? __pfx_do_softirq+0x10/0x10
[  449.825590][    C0]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  449.831322][    C0]  ? rcu_is_watching+0x15/0xb0
[  449.836183][    C0]  __local_bh_enable_ip+0x1bb/0x200
[  449.841901][    C0]  ? dev_hard_start_xmit+0x773/0x7e0
[  449.847443][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  449.852637][    C0]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  449.858361][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  449.863470][    C0]  __dev_queue_xmit+0x1763/0x3e90
[  449.868718][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  449.874036][    C0]  ? __pfx___dev_queue_xmit+0x10/0x10
[  449.879438][    C0]  ? mark_lock+0x9a/0x350
[  449.883778][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  449.890031][    C0]  ? ip_finish_output2+0xa14/0x1390
[  449.895366][    C0]  ? ip_finish_output2+0x45f/0x1390
[  449.900563][    C0]  ip_finish_output2+0xd41/0x1390
[  449.905689][    C0]  ? ip_finish_output2+0x45f/0x1390
[  449.911340][    C0]  ? __pfx_ip_finish_output2+0x10/0x10
[  449.917244][    C0]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  449.922562][    C0]  ? __ip_finish_output+0x349/0x400
[  449.927782][    C0]  __ip_queue_xmit+0x118c/0x1b80
[  449.932734][    C0]  ? __ip_queue_xmit+0x5f/0x1b80
[  449.937933][    C0]  dccp_transmit_skb+0xf41/0x16a0
[  449.943399][    C0]  dccp_xmit_packet+0x376/0x610
[  449.948368][    C0]  ? __virt_addr_valid+0x183/0x530
[  449.953496][    C0]  dccp_write_xmit+0x138/0x220
[  449.958353][    C0]  dccp_sendmsg+0x76f/0xba0
[  449.962875][    C0]  ? __pfx_dccp_sendmsg+0x10/0x10
[  449.968076][    C0]  ? sock_rps_record_flow+0x1a/0x400
[  449.973554][    C0]  ? inet_sendmsg+0x330/0x390
[  449.978370][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  449.984016][    C0]  ? security_socket_sendmsg+0x87/0xb0
[  449.989569][    C0]  __sock_sendmsg+0x1a6/0x270
[  449.994341][    C0]  ____sys_sendmsg+0x525/0x7d0
[  449.999109][    C0]  ? __pfx_____sys_sendmsg+0x10/0x10
[  450.004419][    C0]  __sys_sendmsg+0x2b0/0x3a0
[  450.009300][    C0]  ? __pfx___sys_sendmsg+0x10/0x10
[  450.014515][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  450.020524][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  450.026879][    C0]  ? exc_page_fault+0x590/0x8c0
[  450.031733][    C0]  ? do_syscall_64+0xb6/0x230
[  450.036481][    C0]  do_syscall_64+0xf3/0x230
[  450.041006][    C0]  ? clear_bhb_loop+0x35/0x90
[  450.046058][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  450.052239][    C0] RIP: 0033:0x7f567dc63c69
[  450.056660][    C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  450.076352][    C0] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  450.084765][    C0] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  450.092824][    C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  450.100972][    C0] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  450.108940][    C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  450.117365][    C0] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  450.125632][    C0]  </TASK>
[  450.150773][    C1] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  450.165541][    C1] CPU: 1 UID: 0 PID: 14416 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  450.176306][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  450.186638][    C1] Call Trace:
[  450.189926][    C1]  <IRQ>
[  450.192794][    C1]  dump_stack_lvl+0x241/0x360
[  450.197791][    C1]  ? __pfx_dump_stack_lvl+0x10/0x10
[  450.202985][    C1]  ? __pfx__printk+0x10/0x10
[  450.207570][    C1]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  450.212963][    C1]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  450.218534][    C1]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  450.224581][    C1]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  450.230707][    C1]  dccp_rcv_established+0x1bb/0x320
[  450.235947][    C1]  dccp_v4_do_rcv+0xff/0x1f0
[  450.240561][    C1]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  450.246554][    C1]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  450.251763][    C1]  __sk_receive_skb+0x82b/0x8b0
[  450.256607][    C1]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  450.261549][    C1]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  450.266497][    C1]  ip_protocol_deliver_rcu+0x2e9/0x440
[  450.272010][    C1]  ? ip_local_deliver_finish+0x230/0x5f0
[  450.277666][    C1]  ip_local_deliver_finish+0x341/0x5f0
[  450.283146][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  450.289137][    C1]  NF_HOOK+0x3a4/0x450
[  450.293204][    C1]  ? NF_HOOK+0x9a/0x450
[  450.297373][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  450.302080][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  450.308527][    C1]  ? ip_rcv_finish+0x406/0x560
[  450.313474][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  450.319194][    C1]  NF_HOOK+0x3a4/0x450
[  450.323428][    C1]  ? __lock_acquire+0x137a/0x2040
[  450.328449][    C1]  ? NF_HOOK+0x9a/0x450
[  450.332869][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  450.337493][    C1]  ? ip_rcv_core+0x801/0xd10
[  450.342095][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  450.347335][    C1]  ? __pfx_ip_rcv+0x10/0x10
[  450.352196][    C1]  __netif_receive_skb+0x2bf/0x650
[  450.357328][    C1]  ? __pfx_lock_acquire+0x10/0x10
[  450.362410][    C1]  ? __pfx___netif_receive_skb+0x10/0x10
[  450.368139][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  450.374227][    C1]  ? __pfx_lock_release+0x10/0x10
[  450.379276][    C1]  ? _raw_spin_lock_irq+0xdf/0x120
[  450.384398][    C1]  process_backlog+0x662/0x15b0
[  450.389254][    C1]  ? process_backlog+0x33b/0x15b0
[  450.394285][    C1]  ? __pfx_process_backlog+0x10/0x10
[  450.399568][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  450.405885][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  450.412377][    C1]  __napi_poll+0xcb/0x490
[  450.416780][    C1]  net_rx_action+0x89b/0x1240
[  450.421661][    C1]  ? __pfx_net_rx_action+0x10/0x10
[  450.426875][    C1]  ? sched_clock+0x4a/0x70
[  450.431469][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  450.437795][    C1]  handle_softirqs+0x2c4/0x970
[  450.442554][    C1]  ? do_softirq+0x11b/0x1e0
[  450.447082][    C1]  ? __pfx_handle_softirqs+0x10/0x10
[  450.452444][    C1]  ? rcu_is_watching+0x15/0xb0
[  450.457809][    C1]  do_softirq+0x11b/0x1e0
[  450.462126][    C1]  </IRQ>
[  450.465068][    C1]  <TASK>
[  450.468011][    C1]  ? __pfx_do_softirq+0x10/0x10
[  450.473039][    C1]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  450.478721][    C1]  ? rcu_is_watching+0x15/0xb0
[  450.483566][    C1]  __local_bh_enable_ip+0x1bb/0x200
[  450.488850][    C1]  ? dev_hard_start_xmit+0x773/0x7e0
[  450.494477][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  450.499608][    C1]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  450.505393][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  450.510782][    C1]  __dev_queue_xmit+0x1763/0x3e90
[  450.515946][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  450.521076][    C1]  ? __pfx___dev_queue_xmit+0x10/0x10
[  450.526557][    C1]  ? mark_lock+0x9a/0x350
[  450.530918][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  450.536913][    C1]  ? ip_finish_output2+0xa14/0x1390
[  450.542467][    C1]  ? ip_finish_output2+0x45f/0x1390
[  450.547744][    C1]  ip_finish_output2+0xd41/0x1390
[  450.552848][    C1]  ? ip_finish_output2+0x45f/0x1390
[  450.558153][    C1]  ? __pfx_ip_finish_output2+0x10/0x10
[  450.563786][    C1]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  450.568805][    C1]  ? __ip_finish_output+0x349/0x400
[  450.573991][    C1]  __ip_queue_xmit+0x118c/0x1b80
[  450.578922][    C1]  ? __ip_queue_xmit+0x5f/0x1b80
[  450.584050][    C1]  dccp_transmit_skb+0xf41/0x16a0
[  450.589091][    C1]  dccp_xmit_packet+0x376/0x610
[  450.593938][    C1]  ? __virt_addr_valid+0x183/0x530
[  450.599132][    C1]  dccp_write_xmit+0x138/0x220
[  450.603912][    C1]  dccp_sendmsg+0x76f/0xba0
[  450.608446][    C1]  ? __pfx_dccp_sendmsg+0x10/0x10
[  450.613665][    C1]  ? sock_rps_record_flow+0x1a/0x400
[  450.619314][    C1]  ? inet_sendmsg+0x330/0x390
[  450.624093][    C1]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  450.629620][    C1]  ? security_socket_sendmsg+0x87/0xb0
[  450.635259][    C1]  __sock_sendmsg+0x1a6/0x270
[  450.639930][    C1]  ____sys_sendmsg+0x525/0x7d0
[  450.644866][    C1]  ? __pfx_____sys_sendmsg+0x10/0x10
[  450.650173][    C1]  __sys_sendmsg+0x2b0/0x3a0
[  450.654846][    C1]  ? __pfx___sys_sendmsg+0x10/0x10
[  450.660145][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  450.666293][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  450.672612][    C1]  ? exc_page_fault+0x590/0x8c0
[  450.677475][    C1]  ? do_syscall_64+0xb6/0x230
[  450.682154][    C1]  do_syscall_64+0xf3/0x230
[  450.686729][    C1]  ? clear_bhb_loop+0x35/0x90
[  450.691392][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  450.697446][    C1] RIP: 0033:0x7f567dc63c69
[  450.701870][    C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  450.721757][    C1] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  450.730186][    C1] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  450.738150][    C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  450.746419][    C1] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  450.754484][    C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  450.762687][    C1] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  450.771207][    C1]  </TASK>
[  450.972194][    C1] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  450.986398][    C1] CPU: 1 UID: 0 PID: 14456 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  450.997086][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  451.007146][    C1] Call Trace:
[  451.010419][    C1]  <IRQ>
[  451.013253][    C1]  dump_stack_lvl+0x241/0x360
[  451.018182][    C1]  ? __pfx_dump_stack_lvl+0x10/0x10
[  451.023506][    C1]  ? __pfx__printk+0x10/0x10
[  451.028124][    C1]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  451.033587][    C1]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  451.039047][    C1]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  451.044529][    C1]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  451.050700][    C1]  dccp_rcv_established+0x1bb/0x320
[  451.055962][    C1]  dccp_v4_do_rcv+0xff/0x1f0
[  451.060562][    C1]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  451.066245][    C1]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  451.071552][    C1]  __sk_receive_skb+0x82b/0x8b0
[  451.076399][    C1]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  451.081324][    C1]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  451.086359][    C1]  ip_protocol_deliver_rcu+0x2e9/0x440
[  451.091907][    C1]  ? ip_local_deliver_finish+0x230/0x5f0
[  451.097595][    C1]  ip_local_deliver_finish+0x341/0x5f0
[  451.103065][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  451.109052][    C1]  NF_HOOK+0x3a4/0x450
[  451.113160][    C1]  ? NF_HOOK+0x9a/0x450
[  451.117326][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  451.122035][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  451.128211][    C1]  ? ip_rcv_finish+0x406/0x560
[  451.133011][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  451.138300][    C1]  NF_HOOK+0x3a4/0x450
[  451.142380][    C1]  ? __lock_acquire+0x137a/0x2040
[  451.147492][    C1]  ? NF_HOOK+0x9a/0x450
[  451.151644][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  451.156249][    C1]  ? ip_rcv_core+0x801/0xd10
[  451.160878][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  451.166105][    C1]  ? __pfx_ip_rcv+0x10/0x10
[  451.170704][    C1]  __netif_receive_skb+0x2bf/0x650
[  451.175825][    C1]  ? __pfx_lock_acquire+0x10/0x10
[  451.180929][    C1]  ? __pfx___netif_receive_skb+0x10/0x10
[  451.186588][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  451.192603][    C1]  ? __pfx_lock_release+0x10/0x10
[  451.197636][    C1]  ? _raw_spin_lock_irq+0xdf/0x120
[  451.202771][    C1]  process_backlog+0x662/0x15b0
[  451.207686][    C1]  ? process_backlog+0x33b/0x15b0
[  451.212745][    C1]  ? __pfx_process_backlog+0x10/0x10
[  451.218047][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  451.224053][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  451.230479][    C1]  __napi_poll+0xcb/0x490
[  451.234924][    C1]  net_rx_action+0x89b/0x1240
[  451.239653][    C1]  ? __pfx_net_rx_action+0x10/0x10
[  451.244762][    C1]  ? sched_clock+0x4a/0x70
[  451.249269][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  451.255776][    C1]  handle_softirqs+0x2c4/0x970
[  451.260569][    C1]  ? do_softirq+0x11b/0x1e0
[  451.265244][    C1]  ? __pfx_handle_softirqs+0x10/0x10
[  451.270964][    C1]  do_softirq+0x11b/0x1e0
[  451.275498][    C1]  </IRQ>
[  451.278425][    C1]  <TASK>
[  451.281350][    C1]  ? __pfx_do_softirq+0x10/0x10
[  451.286309][    C1]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  451.291950][    C1]  ? rcu_is_watching+0x15/0xb0
[  451.296711][    C1]  __local_bh_enable_ip+0x1bb/0x200
[  451.301925][    C1]  ? dev_hard_start_xmit+0x773/0x7e0
[  451.307308][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  451.312409][    C1]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  451.318121][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  451.323327][    C1]  __dev_queue_xmit+0x1763/0x3e90
[  451.328441][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  451.333688][    C1]  ? __pfx___dev_queue_xmit+0x10/0x10
[  451.339061][    C1]  ? mark_lock+0x9a/0x350
[  451.343395][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  451.349397][    C1]  ? ip_finish_output2+0xa14/0x1390
[  451.354679][    C1]  ? ip_finish_output2+0x45f/0x1390
[  451.359897][    C1]  ip_finish_output2+0xd41/0x1390
[  451.364926][    C1]  ? ip_finish_output2+0x45f/0x1390
[  451.370271][    C1]  ? __pfx_ip_finish_output2+0x10/0x10
[  451.375926][    C1]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  451.380840][    C1]  ? __ip_finish_output+0x349/0x400
[  451.386161][    C1]  __ip_queue_xmit+0x118c/0x1b80
[  451.391147][    C1]  ? __ip_queue_xmit+0x5f/0x1b80
[  451.396098][    C1]  dccp_transmit_skb+0xf41/0x16a0
[  451.401132][    C1]  dccp_xmit_packet+0x376/0x610
[  451.406237][    C1]  ? __virt_addr_valid+0x183/0x530
[  451.411894][    C1]  dccp_write_xmit+0x138/0x220
[  451.416720][    C1]  dccp_sendmsg+0x76f/0xba0
[  451.421274][    C1]  ? __pfx_dccp_sendmsg+0x10/0x10
[  451.426395][    C1]  ? sock_rps_record_flow+0x1a/0x400
[  451.431707][    C1]  ? inet_sendmsg+0x330/0x390
[  451.436398][    C1]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  451.441754][    C1]  ? security_socket_sendmsg+0x87/0xb0
[  451.447239][    C1]  __sock_sendmsg+0x1a6/0x270
[  451.451936][    C1]  ____sys_sendmsg+0x525/0x7d0
[  451.456750][    C1]  ? __pfx_____sys_sendmsg+0x10/0x10
[  451.462071][    C1]  __sys_sendmsg+0x2b0/0x3a0
[  451.466671][    C1]  ? __pfx___sys_sendmsg+0x10/0x10
[  451.472153][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  451.478230][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  451.484668][    C1]  ? exc_page_fault+0x590/0x8c0
[  451.489535][    C1]  ? do_syscall_64+0xb6/0x230
[  451.494504][    C1]  do_syscall_64+0xf3/0x230
[  451.499104][    C1]  ? clear_bhb_loop+0x35/0x90
[  451.503864][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  451.509757][    C1] RIP: 0033:0x7f567dc63c69
[  451.514163][    C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  451.533773][    C1] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  451.542344][    C1] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  451.550524][    C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  451.558762][    C1] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  451.566793][    C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  451.574937][    C1] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  451.582920][    C1]  </TASK>
[  451.611579][    C1] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  451.625781][    C1] CPU: 1 UID: 0 PID: 14460 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  451.636513][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  451.646709][    C1] Call Trace:
[  451.649998][    C1]  <IRQ>
[  451.652836][    C1]  dump_stack_lvl+0x241/0x360
[  451.657517][    C1]  ? __pfx_dump_stack_lvl+0x10/0x10
[  451.662816][    C1]  ? __pfx__printk+0x10/0x10
[  451.667412][    C1]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  451.672793][    C1]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  451.678279][    C1]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  451.683750][    C1]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  451.689768][    C1]  dccp_rcv_established+0x1bb/0x320
[  451.695000][    C1]  dccp_v4_do_rcv+0xff/0x1f0
[  451.699689][    C1]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  451.705335][    C1]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  451.710539][    C1]  __sk_receive_skb+0x82b/0x8b0
[  451.715393][    C1]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  451.720323][    C1]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  451.725169][    C1]  ip_protocol_deliver_rcu+0x2e9/0x440
[  451.730752][    C1]  ? ip_local_deliver_finish+0x230/0x5f0
[  451.736382][    C1]  ip_local_deliver_finish+0x341/0x5f0
[  451.742016][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  451.747992][    C1]  NF_HOOK+0x3a4/0x450
[  451.752067][    C1]  ? NF_HOOK+0x9a/0x450
[  451.756477][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  451.761154][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  451.767343][    C1]  ? ip_rcv_finish+0x406/0x560
[  451.772333][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  451.777629][    C1]  NF_HOOK+0x3a4/0x450
[  451.781788][    C1]  ? __lock_acquire+0x137a/0x2040
[  451.786904][    C1]  ? NF_HOOK+0x9a/0x450
[  451.791081][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  451.795696][    C1]  ? ip_rcv_core+0x801/0xd10
[  451.800419][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  451.805773][    C1]  ? __pfx_ip_rcv+0x10/0x10
[  451.810312][    C1]  __netif_receive_skb+0x2bf/0x650
[  451.815430][    C1]  ? __pfx_lock_acquire+0x10/0x10
[  451.820473][    C1]  ? __pfx___netif_receive_skb+0x10/0x10
[  451.826194][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  451.832185][    C1]  ? __pfx_lock_release+0x10/0x10
[  451.837381][    C1]  ? _raw_spin_lock_irq+0xdf/0x120
[  451.842591][    C1]  process_backlog+0x662/0x15b0
[  451.847581][    C1]  ? process_backlog+0x33b/0x15b0
[  451.852702][    C1]  ? __pfx_process_backlog+0x10/0x10
[  451.857993][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  451.864067][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  451.870393][    C1]  __napi_poll+0xcb/0x490
[  451.874727][    C1]  net_rx_action+0x89b/0x1240
[  451.879425][    C1]  ? __pfx_net_rx_action+0x10/0x10
[  451.884540][    C1]  ? sched_clock+0x4a/0x70
[  451.888998][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  451.895524][    C1]  handle_softirqs+0x2c4/0x970
[  451.900335][    C1]  ? do_softirq+0x11b/0x1e0
[  451.904929][    C1]  ? __pfx_handle_softirqs+0x10/0x10
[  451.910218][    C1]  ? rcu_is_watching+0x15/0xb0
[  451.915075][    C1]  do_softirq+0x11b/0x1e0
[  451.919430][    C1]  </IRQ>
[  451.922359][    C1]  <TASK>
[  451.925286][    C1]  ? __pfx_do_softirq+0x10/0x10
[  451.930226][    C1]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  451.936133][    C1]  ? rcu_is_watching+0x15/0xb0
[  451.941218][    C1]  __local_bh_enable_ip+0x1bb/0x200
[  451.946435][    C1]  ? dev_hard_start_xmit+0x773/0x7e0
[  451.951814][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  451.957041][    C1]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  451.962887][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  451.967996][    C1]  __dev_queue_xmit+0x1763/0x3e90
[  451.973056][    C1]  ? __dev_queue_xmit+0x2da/0x3e90
[  451.978171][    C1]  ? __pfx___dev_queue_xmit+0x10/0x10
[  451.983672][    C1]  ? mark_lock+0x9a/0x350
[  451.988009][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  451.994341][    C1]  ? ip_finish_output2+0xa14/0x1390
[  451.999543][    C1]  ? ip_finish_output2+0x45f/0x1390
[  452.004737][    C1]  ip_finish_output2+0xd41/0x1390
[  452.009765][    C1]  ? ip_finish_output2+0x45f/0x1390
[  452.014972][    C1]  ? __pfx_ip_finish_output2+0x10/0x10
[  452.020437][    C1]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  452.025296][    C1]  ? __ip_finish_output+0x349/0x400
[  452.030598][    C1]  __ip_queue_xmit+0x118c/0x1b80
[  452.035573][    C1]  ? __ip_queue_xmit+0x5f/0x1b80
[  452.040631][    C1]  dccp_transmit_skb+0xf41/0x16a0
[  452.045750][    C1]  dccp_xmit_packet+0x376/0x610
[  452.050649][    C1]  ? __virt_addr_valid+0x183/0x530
[  452.055865][    C1]  dccp_write_xmit+0x138/0x220
[  452.060787][    C1]  dccp_sendmsg+0x76f/0xba0
[  452.065417][    C1]  ? __pfx_dccp_sendmsg+0x10/0x10
[  452.070814][    C1]  ? sock_rps_record_flow+0x1a/0x400
[  452.076318][    C1]  ? inet_sendmsg+0x330/0x390
[  452.081119][    C1]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  452.086404][    C1]  ? security_socket_sendmsg+0x87/0xb0
[  452.091865][    C1]  __sock_sendmsg+0x1a6/0x270
[  452.096636][    C1]  ____sys_sendmsg+0x525/0x7d0
[  452.101508][    C1]  ? __pfx_____sys_sendmsg+0x10/0x10
[  452.107261][    C1]  __sys_sendmsg+0x2b0/0x3a0
[  452.111855][    C1]  ? __pfx___sys_sendmsg+0x10/0x10
[  452.117093][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  452.123304][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  452.129859][    C1]  ? exc_page_fault+0x590/0x8c0
[  452.134743][    C1]  ? do_syscall_64+0xb6/0x230
[  452.139428][    C1]  do_syscall_64+0xf3/0x230
[  452.144112][    C1]  ? clear_bhb_loop+0x35/0x90
[  452.148971][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.154986][    C1] RIP: 0033:0x7f567dc63c69
[  452.159550][    C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  452.179259][    C1] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  452.187714][    C1] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  452.195702][    C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  452.203843][    C1] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  452.211815][    C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  452.219785][    C1] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  452.227891][    C1]  </TASK>
[  452.312499][    C0] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  452.326574][    C0] CPU: 0 UID: 0 PID: 14477 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  452.337445][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  452.347593][    C0] Call Trace:
[  452.350888][    C0]  <IRQ>
[  452.353757][    C0]  dump_stack_lvl+0x241/0x360
[  452.358454][    C0]  ? __pfx_dump_stack_lvl+0x10/0x10
[  452.363768][    C0]  ? __pfx__printk+0x10/0x10
[  452.368428][    C0]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  452.373917][    C0]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  452.379396][    C0]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  452.385041][    C0]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  452.391123][    C0]  dccp_rcv_established+0x1bb/0x320
[  452.396409][    C0]  dccp_v4_do_rcv+0xff/0x1f0
[  452.401146][    C0]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  452.406882][    C0]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  452.412111][    C0]  __sk_receive_skb+0x82b/0x8b0
[  452.416966][    C0]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  452.422176][    C0]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  452.427037][    C0]  ip_protocol_deliver_rcu+0x2e9/0x440
[  452.432535][    C0]  ? ip_local_deliver_finish+0x230/0x5f0
[  452.438261][    C0]  ip_local_deliver_finish+0x341/0x5f0
[  452.444102][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  452.450103][    C0]  NF_HOOK+0x3a4/0x450
[  452.454186][    C0]  ? NF_HOOK+0x9a/0x450
[  452.458336][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  452.462944][    C0]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  452.468934][    C0]  ? ip_rcv_finish+0x406/0x560
[  452.473703][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  452.478910][    C0]  NF_HOOK+0x3a4/0x450
[  452.482998][    C0]  ? __lock_acquire+0x137a/0x2040
[  452.488128][    C0]  ? NF_HOOK+0x9a/0x450
[  452.492366][    C0]  ? __pfx_NF_HOOK+0x10/0x10
[  452.497119][    C0]  ? ip_rcv_core+0x801/0xd10
[  452.501700][    C0]  ? __pfx_ip_rcv_finish+0x10/0x10
[  452.506986][    C0]  ? __pfx_ip_rcv+0x10/0x10
[  452.511494][    C0]  __netif_receive_skb+0x2bf/0x650
[  452.516606][    C0]  ? __pfx_lock_acquire+0x10/0x10
[  452.521690][    C0]  ? __pfx___netif_receive_skb+0x10/0x10
[  452.527341][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  452.533331][    C0]  ? __pfx_lock_release+0x10/0x10
[  452.538464][    C0]  ? _raw_spin_lock_irq+0xdf/0x120
[  452.543603][    C0]  process_backlog+0x662/0x15b0
[  452.548771][    C0]  ? process_backlog+0x33b/0x15b0
[  452.553827][    C0]  ? __pfx_process_backlog+0x10/0x10
[  452.559226][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  452.565261][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  452.571599][    C0]  __napi_poll+0xcb/0x490
[  452.576089][    C0]  net_rx_action+0x89b/0x1240
[  452.581044][    C0]  ? __pfx_net_rx_action+0x10/0x10
[  452.586180][    C0]  ? sched_clock+0x4a/0x70
[  452.590619][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  452.596976][    C0]  handle_softirqs+0x2c4/0x970
[  452.601753][    C0]  ? do_softirq+0x11b/0x1e0
[  452.606264][    C0]  ? __pfx_handle_softirqs+0x10/0x10
[  452.611651][    C0]  do_softirq+0x11b/0x1e0
[  452.616158][    C0]  </IRQ>
[  452.619094][    C0]  <TASK>
[  452.622117][    C0]  ? __pfx_do_softirq+0x10/0x10
[  452.627043][    C0]  ? __pfx_lockdep_softirqs_on+0x10/0x10
[  452.632875][    C0]  ? rcu_is_watching+0x15/0xb0
[  452.637663][    C0]  __local_bh_enable_ip+0x1bb/0x200
[  452.642955][    C0]  ? dev_hard_start_xmit+0x773/0x7e0
[  452.648280][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  452.653431][    C0]  ? __pfx___local_bh_enable_ip+0x10/0x10
[  452.659168][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  452.664322][    C0]  __dev_queue_xmit+0x1763/0x3e90
[  452.669372][    C0]  ? __dev_queue_xmit+0x2da/0x3e90
[  452.674489][    C0]  ? __pfx___dev_queue_xmit+0x10/0x10
[  452.679961][    C0]  ? mark_lock+0x9a/0x350
[  452.684302][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  452.690396][    C0]  ? ip_finish_output2+0xa14/0x1390
[  452.695608][    C0]  ? ip_finish_output2+0x45f/0x1390
[  452.700807][    C0]  ip_finish_output2+0xd41/0x1390
[  452.705949][    C0]  ? ip_finish_output2+0x45f/0x1390
[  452.711244][    C0]  ? __pfx_ip_finish_output2+0x10/0x10
[  452.716919][    C0]  ? ip_skb_dst_mtu+0x6ba/0x9b0
[  452.721927][    C0]  ? __ip_finish_output+0x349/0x400
[  452.727151][    C0]  __ip_queue_xmit+0x118c/0x1b80
[  452.732149][    C0]  ? __ip_queue_xmit+0x5f/0x1b80
[  452.737093][    C0]  dccp_transmit_skb+0xf41/0x16a0
[  452.742165][    C0]  dccp_xmit_packet+0x376/0x610
[  452.747019][    C0]  ? __virt_addr_valid+0x183/0x530
[  452.752231][    C0]  dccp_write_xmit+0x138/0x220
[  452.757355][    C0]  dccp_sendmsg+0x76f/0xba0
[  452.761914][    C0]  ? __pfx_dccp_sendmsg+0x10/0x10
[  452.766983][    C0]  ? sock_rps_record_flow+0x1a/0x400
[  452.772304][    C0]  ? inet_sendmsg+0x330/0x390
[  452.776997][    C0]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  452.782534][    C0]  ? security_socket_sendmsg+0x87/0xb0
[  452.788120][    C0]  __sock_sendmsg+0x1a6/0x270
[  452.792920][    C0]  ____sys_sendmsg+0x525/0x7d0
[  452.797987][    C0]  ? __pfx_____sys_sendmsg+0x10/0x10
[  452.803372][    C0]  __sys_sendmsg+0x2b0/0x3a0
[  452.807990][    C0]  ? __pfx___sys_sendmsg+0x10/0x10
[  452.813148][    C0]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  452.819327][    C0]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  452.825761][    C0]  ? exc_page_fault+0x590/0x8c0
[  452.830688][    C0]  ? do_syscall_64+0xb6/0x230
[  452.835380][    C0]  do_syscall_64+0xf3/0x230
[  452.839950][    C0]  ? clear_bhb_loop+0x35/0x90
[  452.844753][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.850712][    C0] RIP: 0033:0x7f567dc63c69
[  452.855145][    C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  452.875089][    C0] RSP: 002b:00007f567dbf5228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  452.883607][    C0] RAX: ffffffffffffffda RBX: 00007f567dce731c RCX: 00007f567dc63c69
[  452.891763][    C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[  452.899999][    C0] RBP: 00007f567dce7318 R08: 0000000000000013 R09: 00007f567dbf56c0
[  452.908324][    C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f567dcb4038
[  452.916730][    C0] R13: 00007f567dce72e0 R14: f8e4cbe49e572d45 R15: 00007fffab8603d8
[  452.924807][    C0]  </TASK>
[  453.011765][    C1] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:417/tfrc_rx_hist_sample_rtt()
[  453.025814][    C1] CPU: 1 UID: 0 PID: 14494 Comm: syz-executor204 Not tainted 6.11.0-rc4-syzkaller-g47ac09b91bef #0
[  453.036851][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[  453.047053][    C1] Call Trace:
[  453.050332][    C1]  <IRQ>
[  453.053183][    C1]  dump_stack_lvl+0x241/0x360
[  453.057867][    C1]  ? __pfx_dump_stack_lvl+0x10/0x10
[  453.063325][    C1]  ? __pfx__printk+0x10/0x10
[  453.067923][    C1]  ? tfrc_rx_handle_loss+0xc33/0x1880
[  453.073303][    C1]  tfrc_rx_hist_sample_rtt+0x397/0x4b0
[  453.078768][    C1]  ccid3_hc_rx_packet_recv+0x69d/0xe60
[  453.084516][    C1]  ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[  453.090621][    C1]  dccp_rcv_established+0x1bb/0x320
[  453.095843][    C1]  dccp_v4_do_rcv+0xff/0x1f0
[  453.100649][    C1]  ? ip_protocol_deliver_rcu+0x2e9/0x440
[  453.106334][    C1]  ? __pfx_dccp_v4_do_rcv+0x10/0x10
[  453.111559][    C1]  __sk_receive_skb+0x82b/0x8b0
[  453.116428][    C1]  ? __pfx_dccp_v4_rcv+0x10/0x10
[  453.121373][    C1]  ? __pfx_tcp_v4_rcv+0x10/0x10
[  453.126242][    C1]  ip_protocol_deliver_rcu+0x2e9/0x440
[  453.131803][    C1]  ? ip_local_deliver_finish+0x230/0x5f0
[  453.137549][    C1]  ip_local_deliver_finish+0x341/0x5f0
[  453.143272][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  453.149246][    C1]  NF_HOOK+0x3a4/0x450
[  453.153322][    C1]  ? NF_HOOK+0x9a/0x450
[  453.157473][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  453.162144][    C1]  ? __pfx_ip_local_deliver_finish+0x10/0x10
[  453.168124][    C1]  ? ip_rcv_finish+0x406/0x560
[  453.172883][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  453.178044][    C1]  NF_HOOK+0x3a4/0x450
[  453.182107][    C1]  ? __lock_acquire+0x137a/0x2040
[  453.187161][    C1]  ? NF_HOOK+0x9a/0x450
[  453.191311][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  453.195981][    C1]  ? ip_rcv_core+0x801/0xd10
[  453.200656][    C1]  ? __pfx_ip_rcv_finish+0x10/0x10
[  453.205767][    C1]  ? __pfx_ip_rcv+0x10/0x10
[  453.210263][    C1]  __netif_receive_skb+0x2bf/0x650
[  453.215572][    C1]  ? __pfx_lock_acquire+0x10/0x10
[  453.220594][    C1]  ? __pfx___netif_receive_skb+0x10/0x10
[  453.226220][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  453.232217][    C1]  ? __pfx_lock_release+0x10/0x10
[  453.237359][    C1]  ? _raw_spin_lock_irq+0xdf/0x120
[  453.242801][    C1]  process_backlog+0x662/0x15b0
[  453.247703][    C1]  ? process_backlog+0x33b/0x15b0
[  453.253094][    C1]  ? __pfx_process_backlog+0x10/0x10
[  453.258580][    C1]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[  453.264715][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  453.271301][    C1]  __napi_poll+0xcb/0x490
[  453.275663][    C1]  net_rx_action+0x89b/0x1240
[  453.280471][    C1]  ? __pfx_net_rx_action+0x10/0x10
[  453.285762][    C1]  ? sched_clock+0x4a/0x70
[  453.290193][    C1]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[  453.296830][    C1]  handle_softirqs+0x2c4/0x970
[  453.301957][    C1]  ? do_softirq+0x11b/0x1e0
[  453.306549][    C1]  ? __pfx_handle_softirqs+0x10/0x10