[ 82.048838][ T25] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.90' (ED25519) to the list of known hosts. 2024/10/28 17:45:17 parsed 1 programs 2024/10/28 17:45:18 executed programs: 0 [ 86.854261][ T5896] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 86.942181][ T5897] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 86.965348][ 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() [ 86.971446][ T5900] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 86.979676][ C1] CPU: 1 UID: 0 PID: 5897 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 86.999188][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 87.004376][ T5905] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 87.009387][ C1] Call Trace: [ 87.009403][ C1] [ 87.009413][ C1] dump_stack_lvl+0x241/0x360 [ 87.029525][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 87.034887][ C1] ? __pfx__printk+0x10/0x10 [ 87.039552][ C1] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 87.045003][ C1] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 87.050617][ C1] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 87.056332][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 87.062397][ C1] dccp_rcv_established+0x1bb/0x320 [ 87.066436][ T5906] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 87.067647][ C1] dccp_v4_do_rcv+0xff/0x1f0 [ 87.067681][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 87.087308][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 87.092567][ C1] __sk_receive_skb+0x82b/0x8b0 [ 87.097510][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 87.102506][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 87.107431][ C1] ip_protocol_deliver_rcu+0x2e9/0x440 [ 87.112954][ C1] ? ip_local_deliver_finish+0x230/0x5f0 [ 87.118827][ C1] ip_local_deliver_finish+0x341/0x5f0 [ 87.124369][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 87.130584][ C1] NF_HOOK+0x3a4/0x450 [ 87.134721][ C1] ? NF_HOOK+0x9a/0x450 [ 87.136842][ T5912] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 87.139000][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 87.139046][ C1] ? ip_rcv_finish+0x406/0x560 [ 87.157563][ C1] ? __pfx_ip_rcv_finish+0x10/0x10 [ 87.162735][ C1] NF_HOOK+0x3a4/0x450 [ 87.166878][ C1] ? __lock_acquire+0x1384/0x2050 [ 87.171988][ C1] ? NF_HOOK+0x9a/0x450 [ 87.176204][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 87.180868][ C1] ? ip_rcv_core+0x801/0xd10 [ 87.185534][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 87.190292][ C1] __netif_receive_skb+0x2bf/0x650 [ 87.195556][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 87.200738][ C1] ? __pfx___netif_receive_skb+0x10/0x10 [ 87.206522][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 87.212659][ C1] ? __pfx_lock_release+0x10/0x10 [ 87.213001][ T5919] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 87.217815][ C1] ? _raw_spin_lock_irq+0xdf/0x120 [ 87.217865][ C1] process_backlog+0x662/0x15b0 [ 87.217900][ C1] ? process_backlog+0x33b/0x15b0 [ 87.217937][ C1] ? __pfx_process_backlog+0x10/0x10 [ 87.217964][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 87.217995][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 87.234890][ T5909] dccp_close: ABORT with 2 bytes unread [ 87.237089][ C1] __napi_poll+0xcb/0x490 [ 87.237131][ C1] net_rx_action+0x89b/0x1240 [ 87.237182][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 87.237214][ C1] ? sched_clock+0x4a/0x70 [ 87.237256][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 87.259237][ T5910] dccp_close: ABORT with 36 bytes unread [ 87.259987][ C1] handle_softirqs+0x2c5/0x980 [ 87.260034][ C1] ? do_softirq+0x11b/0x1e0 [ 87.260065][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 87.286654][ T5925] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 87.290696][ C1] do_softirq+0x11b/0x1e0 [ 87.290736][ C1] [ 87.290746][ C1] [ 87.290756][ C1] ? __pfx_do_softirq+0x10/0x10 [ 87.309168][ T5927] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 87.311180][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 87.311230][ C1] ? rcu_is_watching+0x15/0xb0 [ 87.311258][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 87.340347][ T5931] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 87.344802][ C1] ? dev_hard_start_xmit+0x773/0x7e0 [ 87.344847][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 87.344874][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 87.386141][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 87.391497][ C1] __dev_queue_xmit+0x171d/0x3ed0 [ 87.396859][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 87.402037][ C1] ? __lock_acquire+0x1384/0x2050 [ 87.407225][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 87.412694][ C1] ? mark_lock+0x9a/0x360 [ 87.417107][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 87.423341][ C1] ? ip_finish_output2+0xa14/0x1390 [ 87.428782][ C1] ? ip_finish_output2+0x45f/0x1390 [ 87.434045][ C1] ip_finish_output2+0xd41/0x1390 [ 87.439129][ C1] ? ip_finish_output2+0x45f/0x1390 [ 87.444489][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 87.450015][ C1] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 87.454936][ C1] ? __ip_finish_output+0x349/0x400 [ 87.460202][ C1] __ip_queue_xmit+0x118c/0x1b80 [ 87.465210][ C1] ? __ip_queue_xmit+0x5f/0x1b80 [ 87.470213][ C1] dccp_transmit_skb+0xf41/0x16a0 [ 87.474445][ T5941] dccp_close: ABORT with 36 bytes unread [ 87.475546][ C1] dccp_xmit_packet+0x376/0x610 [ 87.475580][ C1] ? __virt_addr_valid+0x183/0x530 [ 87.475608][ C1] dccp_write_xmit+0x138/0x220 [ 87.496573][ C1] dccp_sendmsg+0x76f/0xba0 [ 87.501164][ C1] ? __pfx_dccp_sendmsg+0x10/0x10 [ 87.506345][ C1] ? sock_rps_record_flow+0x1a/0x400 [ 87.511702][ C1] ? inet_sendmsg+0x330/0x390 [ 87.516461][ C1] __sock_sendmsg+0x1a6/0x270 [ 87.516828][ T5944] dccp_close: ABORT with 36 bytes unread [ 87.521174][ C1] sock_write_iter+0x2d7/0x3f0 [ 87.521211][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 87.521257][ C1] ? bpf_lsm_file_permission+0x9/0x10 [ 87.521279][ C1] ? security_file_permission+0x74/0x280 [ 87.531398][ T5949] dccp_close: ABORT with 36 bytes unread [ 87.532077][ C1] vfs_write+0xaeb/0xd30 [ 87.532125][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 87.532156][ C1] ? __pfx_vfs_write+0x10/0x10 [ 87.537975][ T5950] dccp_close: ABORT with 36 bytes unread [ 87.542821][ C1] ? fdget_pos+0x19a/0x320 [ 87.542856][ C1] ksys_write+0x183/0x2b0 [ 87.542883][ C1] ? __pfx_ksys_write+0x10/0x10 [ 87.542906][ C1] ? do_syscall_64+0x100/0x230 [ 87.587405][ T5938] dccp_close: ABORT with 36 bytes unread [ 87.588030][ C1] ? do_syscall_64+0xb6/0x230 [ 87.588071][ C1] do_syscall_64+0xf3/0x230 [ 87.608280][ C1] ? clear_bhb_loop+0x35/0x90 [ 87.613201][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.619236][ C1] RIP: 0033:0x449cf9 [ 87.623283][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 87.643566][ C1] RSP: 002b:00007f17df8540e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 87.647477][ T5956] dccp_close: ABORT with 36 bytes unread [ 87.652025][ C1] RAX: ffffffffffffffda RBX: 00000000005380d8 RCX: 0000000000449cf9 [ 87.652049][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 87.652066][ C1] RBP: 00007f17df854674 R08: 0000000000000000 R09: 0000000000000000 [ 87.652082][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 87.652098][ C1] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 87.652134][ C1] [ 87.710101][ 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() [ 87.717338][ T5897] dccp_close: ABORT with 36 bytes unread [ 87.724371][ C0] CPU: 0 UID: 0 PID: 5976 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 87.740450][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 87.750692][ C0] Call Trace: [ 87.754085][ C0] [ 87.756977][ C0] dump_stack_lvl+0x241/0x360 [ 87.761718][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 87.766989][ C0] ? __pfx__printk+0x10/0x10 [ 87.771811][ C0] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 87.777278][ C0] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 87.782907][ C0] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 87.788645][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 87.791605][ 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() [ 87.794643][ C0] dccp_rcv_established+0x1bb/0x320 [ 87.794687][ C0] dccp_v4_do_rcv+0xff/0x1f0 [ 87.818652][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 87.824332][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 87.829559][ C0] __sk_receive_skb+0x82b/0x8b0 [ 87.834427][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 87.839465][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 87.844337][ C0] ip_protocol_deliver_rcu+0x2e9/0x440 [ 87.849822][ C0] ? ip_local_deliver_finish+0x230/0x5f0 [ 87.855472][ C0] ip_local_deliver_finish+0x341/0x5f0 [ 87.861035][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 87.867144][ C0] NF_HOOK+0x3a4/0x450 [ 87.871233][ C0] ? NF_HOOK+0x9a/0x450 [ 87.875462][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 87.880168][ C0] ? ip_rcv_finish+0x406/0x560 [ 87.885042][ C0] ? __pfx_ip_rcv_finish+0x10/0x10 [ 87.890253][ C0] NF_HOOK+0x3a4/0x450 [ 87.894342][ C0] ? __lock_acquire+0x1384/0x2050 [ 87.899566][ C0] ? NF_HOOK+0x9a/0x450 [ 87.903824][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 87.908513][ C0] ? ip_rcv_core+0x801/0xd10 [ 87.913150][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 87.917669][ C0] __netif_receive_skb+0x2bf/0x650 [ 87.922825][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 87.927892][ C0] ? __pfx___netif_receive_skb+0x10/0x10 [ 87.933851][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 87.939860][ C0] ? __pfx_lock_release+0x10/0x10 [ 87.944993][ C0] ? _raw_spin_lock_irq+0xdf/0x120 [ 87.950476][ C0] process_backlog+0x662/0x15b0 [ 87.955372][ C0] ? process_backlog+0x33b/0x15b0 [ 87.960431][ C0] ? __pfx_process_backlog+0x10/0x10 [ 87.965820][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 87.971824][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 87.978389][ C0] __napi_poll+0xcb/0x490 [ 87.982741][ C0] net_rx_action+0x89b/0x1240 [ 87.987546][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 87.992768][ C0] ? sched_clock+0x4a/0x70 [ 87.997212][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.003564][ C0] handle_softirqs+0x2c5/0x980 [ 88.008349][ C0] ? do_softirq+0x11b/0x1e0 [ 88.012872][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 88.018267][ C0] do_softirq+0x11b/0x1e0 [ 88.022667][ C0] [ 88.025627][ C0] [ 88.028586][ C0] ? __pfx_do_softirq+0x10/0x10 [ 88.033450][ C0] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 88.039108][ C0] ? rcu_is_watching+0x15/0xb0 [ 88.043892][ C0] __local_bh_enable_ip+0x1bb/0x200 [ 88.049285][ C0] ? dev_hard_start_xmit+0x773/0x7e0 [ 88.054587][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 88.059790][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 88.065567][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 88.070799][ C0] __dev_queue_xmit+0x171d/0x3ed0 [ 88.075949][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 88.081163][ C0] ? __lock_acquire+0x1384/0x2050 [ 88.086215][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 88.091729][ C0] ? mark_lock+0x9a/0x360 [ 88.096077][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 88.102205][ C0] ? ip_finish_output2+0xa14/0x1390 [ 88.107423][ C0] ? ip_finish_output2+0x45f/0x1390 [ 88.112640][ C0] ip_finish_output2+0xd41/0x1390 [ 88.117682][ C0] ? ip_finish_output2+0x45f/0x1390 [ 88.122900][ C0] ? __pfx_ip_finish_output2+0x10/0x10 [ 88.128378][ C0] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 88.133417][ C0] ? __ip_finish_output+0x349/0x400 [ 88.138730][ C0] __ip_queue_xmit+0x118c/0x1b80 [ 88.143711][ C0] ? __ip_queue_xmit+0x5f/0x1b80 [ 88.148680][ C0] dccp_transmit_skb+0xf41/0x16a0 [ 88.153818][ C0] dccp_xmit_packet+0x376/0x610 [ 88.158688][ C0] ? __virt_addr_valid+0x183/0x530 [ 88.163873][ C0] dccp_write_xmit+0x138/0x220 [ 88.168660][ C0] dccp_sendmsg+0x76f/0xba0 [ 88.173187][ C0] ? __pfx_dccp_sendmsg+0x10/0x10 [ 88.178583][ C0] ? sock_rps_record_flow+0x1a/0x400 [ 88.184065][ C0] ? inet_sendmsg+0x330/0x390 [ 88.188804][ C0] __sock_sendmsg+0x1a6/0x270 [ 88.193508][ C0] sock_write_iter+0x2d7/0x3f0 [ 88.198298][ C0] ? __pfx_sock_write_iter+0x10/0x10 [ 88.203619][ C0] ? bpf_lsm_file_permission+0x9/0x10 [ 88.209015][ C0] ? security_file_permission+0x74/0x280 [ 88.214669][ C0] vfs_write+0xaeb/0xd30 [ 88.218967][ C0] ? __pfx_sock_write_iter+0x10/0x10 [ 88.224271][ C0] ? __pfx_vfs_write+0x10/0x10 [ 88.229068][ C0] ? fdget_pos+0x19a/0x320 [ 88.233683][ C0] ksys_write+0x183/0x2b0 [ 88.238113][ C0] ? __pfx_ksys_write+0x10/0x10 [ 88.242973][ C0] ? do_syscall_64+0x100/0x230 [ 88.247841][ C0] ? do_syscall_64+0xb6/0x230 [ 88.252640][ C0] do_syscall_64+0xf3/0x230 [ 88.257173][ C0] ? clear_bhb_loop+0x35/0x90 [ 88.261867][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.267783][ C0] RIP: 0033:0x449cf9 [ 88.271788][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 88.291843][ C0] RSP: 002b:00007fd9ee4cc0e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 88.300366][ C0] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9 [ 88.308349][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 88.316429][ C0] RBP: 00007fd9ee4cc674 R08: 0000000000000000 R09: 0000000000000000 [ 88.324495][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 88.332562][ C0] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 88.340562][ C0] [ 88.343596][ C1] CPU: 1 UID: 0 PID: 5980 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 88.353991][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 88.363053][ T5976] dccp_close: ABORT with 36 bytes unread [ 88.364242][ C1] Call Trace: [ 88.364257][ C1] [ 88.364268][ C1] dump_stack_lvl+0x241/0x360 [ 88.364305][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.386159][ C1] ? __pfx__printk+0x10/0x10 [ 88.391075][ C1] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 88.396600][ C1] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 88.402086][ C1] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 88.407654][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 88.413824][ C1] dccp_rcv_established+0x1bb/0x320 [ 88.419061][ C1] dccp_v4_do_rcv+0xff/0x1f0 [ 88.423667][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 88.429316][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 88.434534][ C1] __sk_receive_skb+0x82b/0x8b0 [ 88.439423][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 88.444370][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 88.449235][ C1] ip_protocol_deliver_rcu+0x2e9/0x440 [ 88.454997][ C1] ? ip_local_deliver_finish+0x230/0x5f0 [ 88.460801][ C1] ip_local_deliver_finish+0x341/0x5f0 [ 88.466294][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 88.472290][ C1] NF_HOOK+0x3a4/0x450 [ 88.476380][ C1] ? NF_HOOK+0x9a/0x450 [ 88.480563][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 88.485227][ C1] ? ip_rcv_finish+0x406/0x560 [ 88.490132][ C1] ? __pfx_ip_rcv_finish+0x10/0x10 [ 88.495264][ C1] NF_HOOK+0x3a4/0x450 [ 88.499352][ C1] ? __lock_acquire+0x1384/0x2050 [ 88.504395][ C1] ? NF_HOOK+0x9a/0x450 [ 88.508655][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 88.513324][ C1] ? ip_rcv_core+0x801/0xd10 [ 88.517945][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 88.522549][ C1] __netif_receive_skb+0x2bf/0x650 [ 88.527684][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 88.532772][ C1] ? __pfx___netif_receive_skb+0x10/0x10 [ 88.538596][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 88.544601][ C1] ? __pfx_lock_release+0x10/0x10 [ 88.549638][ C1] ? _raw_spin_lock_irq+0xdf/0x120 [ 88.554767][ C1] process_backlog+0x662/0x15b0 [ 88.559635][ C1] ? process_backlog+0x33b/0x15b0 [ 88.564694][ C1] ? __pfx_process_backlog+0x10/0x10 [ 88.570079][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 88.576077][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.582511][ C1] __napi_poll+0xcb/0x490 [ 88.587297][ C1] net_rx_action+0x89b/0x1240 [ 88.592115][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 88.597457][ C1] ? sched_clock+0x4a/0x70 [ 88.602086][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.608469][ C1] handle_softirqs+0x2c5/0x980 [ 88.613263][ C1] ? do_softirq+0x11b/0x1e0 [ 88.617789][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 88.623450][ C1] do_softirq+0x11b/0x1e0 [ 88.627895][ C1] [ 88.630849][ C1] [ 88.633883][ C1] ? __pfx_do_softirq+0x10/0x10 [ 88.638776][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 88.644513][ C1] ? rcu_is_watching+0x15/0xb0 [ 88.649420][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 88.654729][ C1] ? dev_hard_start_xmit+0x773/0x7e0 [ 88.660033][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 88.665159][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 88.670898][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 88.676201][ C1] __dev_queue_xmit+0x171d/0x3ed0 [ 88.681604][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 88.686837][ C1] ? __lock_acquire+0x1384/0x2050 [ 88.692008][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 88.697504][ C1] ? mark_lock+0x9a/0x360 [ 88.701974][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 88.708432][ C1] ? ip_finish_output2+0xa14/0x1390 [ 88.713768][ C1] ? ip_finish_output2+0x45f/0x1390 [ 88.719003][ C1] ip_finish_output2+0xd41/0x1390 [ 88.724061][ C1] ? ip_finish_output2+0x45f/0x1390 [ 88.729297][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 88.734785][ C1] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 88.739739][ C1] ? __ip_finish_output+0x349/0x400 [ 88.744952][ C1] __ip_queue_xmit+0x118c/0x1b80 [ 88.750345][ C1] ? __ip_queue_xmit+0x5f/0x1b80 [ 88.755297][ C1] dccp_transmit_skb+0xf41/0x16a0 [ 88.760351][ C1] dccp_xmit_packet+0x376/0x610 [ 88.765384][ C1] ? __virt_addr_valid+0x183/0x530 [ 88.770508][ C1] dccp_write_xmit+0x138/0x220 [ 88.775290][ C1] dccp_sendmsg+0x76f/0xba0 [ 88.779993][ C1] ? __pfx_dccp_sendmsg+0x10/0x10 [ 88.785026][ C1] ? sock_rps_record_flow+0x1a/0x400 [ 88.790323][ C1] ? inet_sendmsg+0x330/0x390 [ 88.795011][ C1] __sock_sendmsg+0x1a6/0x270 [ 88.799705][ C1] __sys_sendto+0x39b/0x4f0 [ 88.804221][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 88.809254][ C1] ? do_futex+0x33b/0x560 [ 88.813616][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 88.819647][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.826205][ C1] __x64_sys_sendto+0xde/0x100 [ 88.831006][ C1] do_syscall_64+0xf3/0x230 [ 88.835614][ C1] ? clear_bhb_loop+0x35/0x90 [ 88.840398][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.846355][ C1] RIP: 0033:0x449cf9 [ 88.850263][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 88.870227][ C1] RSP: 002b:00007fbe1f0de0e8 EFLAGS: 00000212 ORIG_RAX: 000000000000002c [ 88.878775][ C1] RAX: ffffffffffffffda RBX: 00000000005380d8 RCX: 0000000000449cf9 [ 88.886853][ C1] RDX: 0000000000000002 RSI: 0000000020529ffe RDI: 0000000000000005 [ 88.894834][ C1] RBP: 00007fbe1f0de674 R08: 0000000020c0fff0 R09: 0000000000000010 [ 88.902818][ C1] R10: 0000000000000001 R11: 0000000000000212 R12: 00000000ffffffff [ 88.910801][ C1] R13: 000000000000045a R14: 00000000004d4970 R15: 0000000000495546 [ 88.918890][ C1] [ 89.232797][ 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() [ 89.247024][ C1] CPU: 1 UID: 0 PID: 6047 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 89.257462][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 89.267609][ C1] Call Trace: [ 89.270886][ C1] [ 89.273733][ C1] dump_stack_lvl+0x241/0x360 [ 89.278440][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 89.283642][ C1] ? __pfx__printk+0x10/0x10 [ 89.288320][ C1] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 89.293726][ C1] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 89.299292][ C1] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 89.304829][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 89.310904][ C1] dccp_rcv_established+0x1bb/0x320 [ 89.316132][ C1] dccp_v4_do_rcv+0xff/0x1f0 [ 89.320743][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 89.326395][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 89.332042][ C1] __sk_receive_skb+0x82b/0x8b0 [ 89.336907][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 89.341850][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 89.346720][ C1] ip_protocol_deliver_rcu+0x2e9/0x440 [ 89.352193][ C1] ? ip_local_deliver_finish+0x230/0x5f0 [ 89.357843][ C1] ip_local_deliver_finish+0x341/0x5f0 [ 89.363425][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 89.369513][ C1] NF_HOOK+0x3a4/0x450 [ 89.373612][ C1] ? NF_HOOK+0x9a/0x450 [ 89.377782][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 89.382398][ C1] ? ip_rcv_finish+0x406/0x560 [ 89.387201][ C1] ? __pfx_ip_rcv_finish+0x10/0x10 [ 89.392339][ C1] NF_HOOK+0x3a4/0x450 [ 89.396852][ C1] ? __lock_acquire+0x1384/0x2050 [ 89.401890][ C1] ? NF_HOOK+0x9a/0x450 [ 89.406131][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 89.410740][ C1] ? ip_rcv_core+0x801/0xd10 [ 89.415426][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 89.419973][ C1] __netif_receive_skb+0x2bf/0x650 [ 89.425116][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 89.430246][ C1] ? __pfx___netif_receive_skb+0x10/0x10 [ 89.435880][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 89.441951][ C1] ? __pfx_lock_release+0x10/0x10 [ 89.447158][ C1] ? _raw_spin_lock_irq+0xdf/0x120 [ 89.452304][ C1] process_backlog+0x662/0x15b0 [ 89.457171][ C1] ? process_backlog+0x33b/0x15b0 [ 89.462211][ C1] ? __pfx_process_backlog+0x10/0x10 [ 89.467502][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 89.473500][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 89.480030][ C1] __napi_poll+0xcb/0x490 [ 89.484639][ C1] net_rx_action+0x89b/0x1240 [ 89.489369][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 89.494610][ C1] ? sched_clock+0x4a/0x70 [ 89.499062][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 89.505664][ C1] handle_softirqs+0x2c5/0x980 [ 89.510627][ C1] ? do_softirq+0x11b/0x1e0 [ 89.515166][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 89.520695][ C1] do_softirq+0x11b/0x1e0 [ 89.525060][ C1] [ 89.527992][ C1] [ 89.530948][ C1] ? __pfx_do_softirq+0x10/0x10 [ 89.535820][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 89.541474][ C1] ? rcu_is_watching+0x15/0xb0 [ 89.546538][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 89.551897][ C1] ? dev_hard_start_xmit+0x773/0x7e0 [ 89.557315][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 89.562541][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 89.568298][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 89.573528][ C1] __dev_queue_xmit+0x171d/0x3ed0 [ 89.578685][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 89.583988][ C1] ? __lock_acquire+0x1384/0x2050 [ 89.589028][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 89.594431][ C1] ? mark_lock+0x9a/0x360 [ 89.598871][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 89.604878][ C1] ? ip_finish_output2+0xa14/0x1390 [ 89.610281][ C1] ? ip_finish_output2+0x45f/0x1390 [ 89.615527][ C1] ip_finish_output2+0xd41/0x1390 [ 89.620729][ C1] ? ip_finish_output2+0x45f/0x1390 [ 89.626313][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 89.631983][ C1] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 89.637017][ C1] ? __ip_finish_output+0x349/0x400 [ 89.642340][ C1] __ip_queue_xmit+0x118c/0x1b80 [ 89.647336][ C1] ? __ip_queue_xmit+0x5f/0x1b80 [ 89.652398][ C1] dccp_transmit_skb+0xf41/0x16a0 [ 89.657441][ C1] dccp_xmit_packet+0x376/0x610 [ 89.662437][ C1] ? __virt_addr_valid+0x183/0x530 [ 89.667578][ C1] dccp_write_xmit+0x138/0x220 [ 89.672471][ C1] dccp_sendmsg+0x76f/0xba0 [ 89.676994][ C1] ? __pfx_dccp_sendmsg+0x10/0x10 [ 89.682044][ C1] ? sock_rps_record_flow+0x1a/0x400 [ 89.687330][ C1] ? inet_sendmsg+0x330/0x390 [ 89.692014][ C1] __sock_sendmsg+0x1a6/0x270 [ 89.696704][ C1] sock_write_iter+0x2d7/0x3f0 [ 89.701568][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 89.706867][ C1] ? bpf_lsm_file_permission+0x9/0x10 [ 89.712418][ C1] ? security_file_permission+0x74/0x280 [ 89.718053][ C1] vfs_write+0xaeb/0xd30 [ 89.722388][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 89.727700][ C1] ? __pfx_vfs_write+0x10/0x10 [ 89.732492][ C1] ? fdget_pos+0x19a/0x320 [ 89.737026][ C1] ksys_write+0x183/0x2b0 [ 89.741541][ C1] ? __pfx_ksys_write+0x10/0x10 [ 89.746446][ C1] ? do_syscall_64+0x100/0x230 [ 89.751573][ C1] ? do_syscall_64+0xb6/0x230 [ 89.756301][ C1] do_syscall_64+0xf3/0x230 [ 89.760826][ C1] ? clear_bhb_loop+0x35/0x90 [ 89.765591][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.771492][ C1] RIP: 0033:0x449cf9 [ 89.775474][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 89.795256][ C1] RSP: 002b:00007fe0610250e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 89.803762][ C1] RAX: ffffffffffffffda RBX: 00000000005380d8 RCX: 0000000000449cf9 [ 89.811732][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 89.819808][ C1] RBP: 00007fe061025674 R08: 0000000000000000 R09: 0000000000000000 [ 89.827878][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 89.835955][ C1] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 89.844087][ C1] [ 90.140356][ 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() [ 90.154461][ C1] CPU: 1 UID: 0 PID: 6107 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 90.164791][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 90.174846][ C1] Call Trace: [ 90.178127][ C1] [ 90.181054][ C1] dump_stack_lvl+0x241/0x360 [ 90.185773][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 90.191445][ C1] ? __pfx__printk+0x10/0x10 [ 90.196047][ C1] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 90.201429][ C1] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 90.206985][ C1] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 90.212463][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 90.218554][ C1] dccp_rcv_established+0x1bb/0x320 [ 90.223843][ C1] dccp_v4_do_rcv+0xff/0x1f0 [ 90.228463][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 90.234101][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 90.239300][ C1] __sk_receive_skb+0x82b/0x8b0 [ 90.244151][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 90.249088][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 90.253955][ C1] ip_protocol_deliver_rcu+0x2e9/0x440 [ 90.259425][ C1] ? ip_local_deliver_finish+0x230/0x5f0 [ 90.265230][ C1] ip_local_deliver_finish+0x341/0x5f0 [ 90.270692][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 90.276678][ C1] NF_HOOK+0x3a4/0x450 [ 90.280792][ C1] ? NF_HOOK+0x9a/0x450 [ 90.284979][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 90.289634][ C1] ? ip_rcv_finish+0x406/0x560 [ 90.294403][ C1] ? __pfx_ip_rcv_finish+0x10/0x10 [ 90.299535][ C1] NF_HOOK+0x3a4/0x450 [ 90.303714][ C1] ? __lock_acquire+0x1384/0x2050 [ 90.309052][ C1] ? NF_HOOK+0x9a/0x450 [ 90.313220][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 90.317909][ C1] ? ip_rcv_core+0x801/0xd10 [ 90.322511][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 90.327033][ C1] __netif_receive_skb+0x2bf/0x650 [ 90.332162][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 90.337197][ C1] ? __pfx___netif_receive_skb+0x10/0x10 [ 90.342842][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 90.349015][ C1] ? __pfx_lock_release+0x10/0x10 [ 90.354062][ C1] ? _raw_spin_lock_irq+0xdf/0x120 [ 90.359181][ C1] process_backlog+0x662/0x15b0 [ 90.364043][ C1] ? process_backlog+0x33b/0x15b0 [ 90.369076][ C1] ? __pfx_process_backlog+0x10/0x10 [ 90.374478][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 90.380670][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 90.387007][ C1] __napi_poll+0xcb/0x490 [ 90.391982][ C1] net_rx_action+0x89b/0x1240 [ 90.396706][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 90.402088][ C1] ? sched_clock+0x4a/0x70 [ 90.406526][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 90.413081][ C1] handle_softirqs+0x2c5/0x980 [ 90.417877][ C1] ? do_softirq+0x11b/0x1e0 [ 90.422386][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 90.427767][ C1] do_softirq+0x11b/0x1e0 [ 90.432197][ C1] [ 90.435220][ C1] [ 90.438176][ C1] ? __pfx_do_softirq+0x10/0x10 [ 90.443047][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 90.448796][ C1] ? rcu_is_watching+0x15/0xb0 [ 90.453579][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 90.458804][ C1] ? dev_hard_start_xmit+0x773/0x7e0 [ 90.464090][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 90.469205][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 90.474948][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 90.481184][ C1] __dev_queue_xmit+0x171d/0x3ed0 [ 90.486234][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 90.491374][ C1] ? __lock_acquire+0x1384/0x2050 [ 90.496407][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 90.501891][ C1] ? mark_lock+0x9a/0x360 [ 90.506345][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 90.512361][ C1] ? ip_finish_output2+0xa14/0x1390 [ 90.517573][ C1] ? ip_finish_output2+0x45f/0x1390 [ 90.523220][ C1] ip_finish_output2+0xd41/0x1390 [ 90.528334][ C1] ? ip_finish_output2+0x45f/0x1390 [ 90.533545][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 90.539007][ C1] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 90.544030][ C1] ? __ip_finish_output+0x349/0x400 [ 90.549316][ C1] __ip_queue_xmit+0x118c/0x1b80 [ 90.554342][ C1] ? __ip_queue_xmit+0x5f/0x1b80 [ 90.559395][ C1] dccp_transmit_skb+0xf41/0x16a0 [ 90.564445][ C1] dccp_xmit_packet+0x376/0x610 [ 90.569297][ C1] ? __virt_addr_valid+0x183/0x530 [ 90.574496][ C1] dccp_write_xmit+0x138/0x220 [ 90.579276][ C1] dccp_sendmsg+0x76f/0xba0 [ 90.583783][ C1] ? __pfx_dccp_sendmsg+0x10/0x10 [ 90.588831][ C1] ? sock_rps_record_flow+0x1a/0x400 [ 90.594128][ C1] ? inet_sendmsg+0x330/0x390 [ 90.598892][ C1] __sock_sendmsg+0x1a6/0x270 [ 90.603571][ C1] sock_write_iter+0x2d7/0x3f0 [ 90.608437][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 90.613924][ C1] ? bpf_lsm_file_permission+0x9/0x10 [ 90.619296][ C1] ? security_file_permission+0x74/0x280 [ 90.624938][ C1] vfs_write+0xaeb/0xd30 [ 90.629277][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 90.634938][ C1] ? __pfx_vfs_write+0x10/0x10 [ 90.639816][ C1] ? fdget_pos+0x19a/0x320 [ 90.644322][ C1] ksys_write+0x183/0x2b0 [ 90.648839][ C1] ? __pfx_ksys_write+0x10/0x10 [ 90.653705][ C1] ? do_syscall_64+0x100/0x230 [ 90.658473][ C1] ? do_syscall_64+0xb6/0x230 [ 90.663262][ C1] do_syscall_64+0xf3/0x230 [ 90.667790][ C1] ? clear_bhb_loop+0x35/0x90 [ 90.672841][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.678931][ C1] RIP: 0033:0x449cf9 [ 90.682917][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 90.702549][ C1] RSP: 002b:00007fbe1f0de0e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 90.710994][ C1] RAX: ffffffffffffffda RBX: 00000000005380d8 RCX: 0000000000449cf9 [ 90.719114][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 90.727378][ C1] RBP: 00007fbe1f0de674 R08: 0000000000000000 R09: 0000000000000000 [ 90.735457][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 90.743445][ C1] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 90.751573][ C1] [ 90.931583][ 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() [ 90.945799][ C1] CPU: 1 UID: 0 PID: 6146 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 90.956186][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 90.966378][ C1] Call Trace: [ 90.969785][ C1] [ 90.972742][ C1] dump_stack_lvl+0x241/0x360 [ 90.977522][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 90.982748][ C1] ? __pfx__printk+0x10/0x10 [ 90.987348][ C1] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 90.992814][ C1] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 90.998272][ C1] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 91.003734][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 91.009732][ C1] dccp_rcv_established+0x1bb/0x320 [ 91.014960][ C1] dccp_v4_do_rcv+0xff/0x1f0 [ 91.019655][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 91.025303][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 91.030604][ C1] __sk_receive_skb+0x82b/0x8b0 [ 91.035545][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 91.040582][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 91.045448][ C1] ip_protocol_deliver_rcu+0x2e9/0x440 [ 91.050927][ C1] ? ip_local_deliver_finish+0x230/0x5f0 [ 91.056570][ C1] ip_local_deliver_finish+0x341/0x5f0 [ 91.062130][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 91.068284][ C1] NF_HOOK+0x3a4/0x450 [ 91.072377][ C1] ? NF_HOOK+0x9a/0x450 [ 91.077275][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 91.081915][ C1] ? ip_rcv_finish+0x406/0x560 [ 91.086863][ C1] ? __pfx_ip_rcv_finish+0x10/0x10 [ 91.092018][ C1] NF_HOOK+0x3a4/0x450 [ 91.096459][ C1] ? __lock_acquire+0x1384/0x2050 [ 91.101500][ C1] ? NF_HOOK+0x9a/0x450 [ 91.105753][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 91.110473][ C1] ? ip_rcv_core+0x801/0xd10 [ 91.115286][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 91.119835][ C1] __netif_receive_skb+0x2bf/0x650 [ 91.125061][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 91.130091][ C1] ? __pfx___netif_receive_skb+0x10/0x10 [ 91.135792][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 91.141861][ C1] ? __pfx_lock_release+0x10/0x10 [ 91.146895][ C1] ? _raw_spin_lock_irq+0xdf/0x120 [ 91.152024][ C1] process_backlog+0x662/0x15b0 [ 91.156974][ C1] ? process_backlog+0x33b/0x15b0 [ 91.162022][ C1] ? __pfx_process_backlog+0x10/0x10 [ 91.167335][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 91.173575][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.179974][ C1] __napi_poll+0xcb/0x490 [ 91.184339][ C1] net_rx_action+0x89b/0x1240 [ 91.189052][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 91.194201][ C1] ? sched_clock+0x4a/0x70 [ 91.198637][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.205058][ C1] handle_softirqs+0x2c5/0x980 [ 91.209999][ C1] ? do_softirq+0x11b/0x1e0 [ 91.214670][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 91.220065][ C1] do_softirq+0x11b/0x1e0 [ 91.224414][ C1] [ 91.227371][ C1] [ 91.230422][ C1] ? __pfx_do_softirq+0x10/0x10 [ 91.235371][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 91.241012][ C1] ? rcu_is_watching+0x15/0xb0 [ 91.245885][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 91.251085][ C1] ? dev_hard_start_xmit+0x773/0x7e0 [ 91.256378][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 91.261532][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 91.267405][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 91.272581][ C1] __dev_queue_xmit+0x171d/0x3ed0 [ 91.277813][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 91.282944][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 91.288942][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 91.294412][ C1] ? mark_lock+0x9a/0x360 [ 91.298816][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 91.304999][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.311660][ C1] ? irqentry_exit+0x63/0x90 [ 91.316446][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 91.321744][ C1] ? __ip_queue_xmit+0x118c/0x1b80 [ 91.326889][ C1] ? ip_finish_output2+0xa14/0x1390 [ 91.332116][ C1] ? ip_finish_output2+0x45f/0x1390 [ 91.337320][ C1] ip_finish_output2+0xd41/0x1390 [ 91.342345][ C1] ? ip_finish_output2+0x45f/0x1390 [ 91.347544][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 91.353020][ C1] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 91.357970][ C1] ? __ip_finish_output+0x349/0x400 [ 91.363365][ C1] __ip_queue_xmit+0x118c/0x1b80 [ 91.368499][ C1] ? __ip_queue_xmit+0x5f/0x1b80 [ 91.373479][ C1] dccp_transmit_skb+0xf41/0x16a0 [ 91.378537][ C1] dccp_xmit_packet+0x376/0x610 [ 91.383481][ C1] ? __virt_addr_valid+0x183/0x530 [ 91.388699][ C1] dccp_write_xmit+0x138/0x220 [ 91.393493][ C1] dccp_sendmsg+0x76f/0xba0 [ 91.398008][ C1] ? __pfx_dccp_sendmsg+0x10/0x10 [ 91.403032][ C1] ? sock_rps_record_flow+0x1a/0x400 [ 91.408406][ C1] ? inet_sendmsg+0x330/0x390 [ 91.413180][ C1] __sock_sendmsg+0x1a6/0x270 [ 91.417950][ C1] sock_write_iter+0x2d7/0x3f0 [ 91.423148][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 91.428473][ C1] ? bpf_lsm_file_permission+0x9/0x10 [ 91.433887][ C1] ? security_file_permission+0x74/0x280 [ 91.439664][ C1] vfs_write+0xaeb/0xd30 [ 91.444037][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 91.449334][ C1] ? __pfx_vfs_write+0x10/0x10 [ 91.454115][ C1] ? fdget_pos+0x19a/0x320 [ 91.458535][ C1] ksys_write+0x183/0x2b0 [ 91.462868][ C1] ? __pfx_ksys_write+0x10/0x10 [ 91.467717][ C1] ? do_syscall_64+0x100/0x230 [ 91.472494][ C1] ? do_syscall_64+0xb6/0x230 [ 91.477180][ C1] do_syscall_64+0xf3/0x230 [ 91.481715][ C1] ? clear_bhb_loop+0x35/0x90 [ 91.486397][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.492672][ C1] RIP: 0033:0x449cf9 [ 91.496574][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 91.516487][ C1] RSP: 002b:00007f17df8330e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 91.525088][ C1] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9 2024/10/28 17:45:23 executed programs: 60 [ 91.533079][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 91.541234][ C1] RBP: 00007f17df833674 R08: 0000000000000000 R09: 0000000000000000 [ 91.549222][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 91.557345][ C1] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 91.565457][ C1] [ 91.697900][ 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() [ 91.712155][ C0] CPU: 0 UID: 0 PID: 6175 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 91.719137][ 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() [ 91.722664][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 91.722682][ C0] Call Trace: [ 91.722692][ C0] [ 91.722703][ C0] dump_stack_lvl+0x241/0x360 [ 91.722741][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 91.722768][ C0] ? __pfx__printk+0x10/0x10 [ 91.722794][ C0] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 91.773148][ C0] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 91.778719][ C0] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 91.786027][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 91.792028][ C0] dccp_rcv_established+0x1bb/0x320 [ 91.797250][ C0] dccp_v4_do_rcv+0xff/0x1f0 [ 91.801957][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 91.807693][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 91.812900][ C0] __sk_receive_skb+0x82b/0x8b0 [ 91.817863][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 91.822999][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 91.828044][ C0] ip_protocol_deliver_rcu+0x2e9/0x440 [ 91.833524][ C0] ? ip_local_deliver_finish+0x230/0x5f0 [ 91.839205][ C0] ip_local_deliver_finish+0x341/0x5f0 [ 91.844701][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 91.850697][ C0] NF_HOOK+0x3a4/0x450 [ 91.854787][ C0] ? NF_HOOK+0x9a/0x450 [ 91.858956][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 91.863659][ C0] ? ip_rcv_finish+0x406/0x560 [ 91.868441][ C0] ? __pfx_ip_rcv_finish+0x10/0x10 [ 91.873568][ C0] NF_HOOK+0x3a4/0x450 [ 91.877657][ C0] ? __lock_acquire+0x1384/0x2050 [ 91.882721][ C0] ? NF_HOOK+0x9a/0x450 [ 91.886980][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 91.891673][ C0] ? ip_rcv_core+0x801/0xd10 [ 91.896296][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 91.900904][ C0] __netif_receive_skb+0x2bf/0x650 [ 91.906035][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 91.911106][ C0] ? __pfx___netif_receive_skb+0x10/0x10 [ 91.916755][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 91.922847][ C0] ? __pfx_lock_release+0x10/0x10 [ 91.927906][ C0] ? _raw_spin_lock_irq+0xdf/0x120 [ 91.933229][ C0] process_backlog+0x662/0x15b0 [ 91.938200][ C0] ? process_backlog+0x33b/0x15b0 [ 91.943257][ C0] ? __pfx_process_backlog+0x10/0x10 [ 91.948574][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 91.954752][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.961101][ C0] __napi_poll+0xcb/0x490 [ 91.965542][ C0] net_rx_action+0x89b/0x1240 [ 91.970268][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 91.975457][ C0] ? sched_clock+0x4a/0x70 [ 91.980004][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 91.986362][ C0] handle_softirqs+0x2c5/0x980 [ 91.991257][ C0] ? do_softirq+0x11b/0x1e0 [ 91.995777][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 92.001090][ C0] do_softirq+0x11b/0x1e0 [ 92.005436][ C0] [ 92.008380][ C0] [ 92.011324][ C0] ? __pfx_do_softirq+0x10/0x10 [ 92.016199][ C0] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 92.021853][ C0] ? rcu_is_watching+0x15/0xb0 [ 92.026683][ C0] __local_bh_enable_ip+0x1bb/0x200 [ 92.032014][ C0] ? dev_hard_start_xmit+0x773/0x7e0 [ 92.037721][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 92.043116][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 92.048892][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 92.054030][ C0] __dev_queue_xmit+0x171d/0x3ed0 [ 92.059082][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 92.064206][ C0] ? __lock_acquire+0x1384/0x2050 [ 92.069256][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 92.074666][ C0] ? mark_lock+0x9a/0x360 [ 92.079026][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 92.085028][ C0] ? ip_finish_output2+0xa14/0x1390 [ 92.090331][ C0] ? ip_finish_output2+0x45f/0x1390 [ 92.095543][ C0] ip_finish_output2+0xd41/0x1390 [ 92.100591][ C0] ? ip_finish_output2+0x45f/0x1390 [ 92.105810][ C0] ? __pfx_ip_finish_output2+0x10/0x10 [ 92.111473][ C0] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 92.116339][ C0] ? __ip_finish_output+0x349/0x400 [ 92.121837][ C0] __ip_queue_xmit+0x118c/0x1b80 [ 92.126899][ C0] ? __ip_queue_xmit+0x5f/0x1b80 [ 92.131852][ C0] dccp_transmit_skb+0xf41/0x16a0 [ 92.137078][ C0] dccp_xmit_packet+0x376/0x610 [ 92.141943][ C0] ? __virt_addr_valid+0x183/0x530 [ 92.147081][ C0] dccp_write_xmit+0x138/0x220 [ 92.151861][ C0] dccp_sendmsg+0x76f/0xba0 [ 92.156398][ C0] ? __pfx_dccp_sendmsg+0x10/0x10 [ 92.161454][ C0] ? sock_rps_record_flow+0x1a/0x400 [ 92.166929][ C0] ? inet_sendmsg+0x330/0x390 [ 92.171626][ C0] __sock_sendmsg+0x1a6/0x270 [ 92.176506][ C0] sock_write_iter+0x2d7/0x3f0 [ 92.181379][ C0] ? __pfx_sock_write_iter+0x10/0x10 [ 92.186693][ C0] ? bpf_lsm_file_permission+0x9/0x10 [ 92.192075][ C0] ? security_file_permission+0x74/0x280 [ 92.197726][ C0] vfs_write+0xaeb/0xd30 [ 92.202016][ C0] ? __pfx_sock_write_iter+0x10/0x10 [ 92.207319][ C0] ? __pfx_vfs_write+0x10/0x10 [ 92.212117][ C0] ? fdget_pos+0x19a/0x320 [ 92.216638][ C0] ksys_write+0x183/0x2b0 [ 92.221070][ C0] ? __pfx_ksys_write+0x10/0x10 [ 92.226064][ C0] ? do_syscall_64+0x100/0x230 [ 92.230849][ C0] ? do_syscall_64+0xb6/0x230 [ 92.235564][ C0] do_syscall_64+0xf3/0x230 [ 92.240090][ C0] ? clear_bhb_loop+0x35/0x90 [ 92.244789][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.250700][ C0] RIP: 0033:0x449cf9 [ 92.254632][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 92.274604][ C0] RSP: 002b:00007fd9ee4cc0e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 92.283037][ C0] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9 [ 92.291018][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 92.299001][ C0] RBP: 00007fd9ee4cc674 R08: 0000000000000000 R09: 0000000000000000 [ 92.306981][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 92.314959][ C0] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 92.322952][ C0] [ 92.325983][ C1] CPU: 1 UID: 0 PID: 6176 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 92.336355][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 92.346604][ C1] Call Trace: [ 92.349981][ C1] [ 92.352836][ C1] dump_stack_lvl+0x241/0x360 [ 92.357618][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 92.363207][ C1] ? __pfx__printk+0x10/0x10 [ 92.367814][ C1] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 92.373217][ C1] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 92.378707][ C1] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 92.384184][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 92.390179][ C1] dccp_rcv_established+0x1bb/0x320 [ 92.395483][ C1] dccp_v4_do_rcv+0xff/0x1f0 [ 92.400080][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 92.405815][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 92.411025][ C1] __sk_receive_skb+0x82b/0x8b0 [ 92.415975][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 92.420930][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 92.425832][ C1] ip_protocol_deliver_rcu+0x2e9/0x440 [ 92.431336][ C1] ? ip_local_deliver_finish+0x230/0x5f0 [ 92.437339][ C1] ip_local_deliver_finish+0x341/0x5f0 [ 92.442818][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 92.448909][ C1] NF_HOOK+0x3a4/0x450 [ 92.452994][ C1] ? NF_HOOK+0x9a/0x450 [ 92.457180][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 92.461802][ C1] ? ip_rcv_finish+0x406/0x560 [ 92.466616][ C1] ? __pfx_ip_rcv_finish+0x10/0x10 [ 92.471769][ C1] NF_HOOK+0x3a4/0x450 [ 92.476033][ C1] ? __lock_acquire+0x1384/0x2050 [ 92.481248][ C1] ? NF_HOOK+0x9a/0x450 [ 92.485415][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 92.490016][ C1] ? ip_rcv_core+0x801/0xd10 [ 92.494741][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 92.499384][ C1] __netif_receive_skb+0x2bf/0x650 [ 92.504529][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 92.509580][ C1] ? __pfx___netif_receive_skb+0x10/0x10 [ 92.515315][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 92.521312][ C1] ? __pfx_lock_release+0x10/0x10 [ 92.526441][ C1] ? _raw_spin_lock_irq+0xdf/0x120 [ 92.531579][ C1] process_backlog+0x662/0x15b0 [ 92.536509][ C1] ? process_backlog+0x33b/0x15b0 [ 92.541655][ C1] ? __pfx_process_backlog+0x10/0x10 [ 92.546957][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 92.553044][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 92.559422][ C1] __napi_poll+0xcb/0x490 [ 92.563804][ C1] net_rx_action+0x89b/0x1240 [ 92.568547][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 92.573762][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 92.579788][ C1] handle_softirqs+0x2c5/0x980 [ 92.584679][ C1] ? do_softirq+0x11b/0x1e0 [ 92.589286][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 92.594639][ C1] do_softirq+0x11b/0x1e0 [ 92.598983][ C1] [ 92.601937][ C1] [ 92.604924][ C1] ? __pfx_do_softirq+0x10/0x10 [ 92.609817][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 92.615673][ C1] ? rcu_is_watching+0x15/0xb0 [ 92.620544][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 92.625853][ C1] ? dev_hard_start_xmit+0x773/0x7e0 [ 92.632020][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 92.637419][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 92.643672][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 92.648929][ C1] __dev_queue_xmit+0x171d/0x3ed0 [ 92.654163][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 92.659400][ C1] ? __lock_acquire+0x1384/0x2050 [ 92.664472][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 92.669966][ C1] ? mark_lock+0x9a/0x360 [ 92.674311][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 92.680442][ C1] ? ip_finish_output2+0xa14/0x1390 [ 92.685678][ C1] ? ip_finish_output2+0x45f/0x1390 [ 92.690898][ C1] ip_finish_output2+0xd41/0x1390 [ 92.695978][ C1] ? ip_finish_output2+0x45f/0x1390 [ 92.701196][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 92.706670][ C1] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 92.711533][ C1] ? __ip_finish_output+0x349/0x400 [ 92.716780][ C1] __ip_queue_xmit+0x118c/0x1b80 [ 92.721763][ C1] ? __ip_queue_xmit+0x5f/0x1b80 [ 92.726715][ C1] dccp_transmit_skb+0xf41/0x16a0 [ 92.732036][ C1] dccp_xmit_packet+0x376/0x610 [ 92.736984][ C1] ? __virt_addr_valid+0x183/0x530 [ 92.742115][ C1] dccp_write_xmit+0x138/0x220 [ 92.746895][ C1] dccp_sendmsg+0x76f/0xba0 [ 92.751420][ C1] ? __pfx_dccp_sendmsg+0x10/0x10 [ 92.756492][ C1] ? sock_rps_record_flow+0x1a/0x400 [ 92.761804][ C1] ? inet_sendmsg+0x330/0x390 [ 92.766505][ C1] __sock_sendmsg+0x1a6/0x270 [ 92.771552][ C1] sock_write_iter+0x2d7/0x3f0 [ 92.776431][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 92.781742][ C1] ? bpf_lsm_file_permission+0x9/0x10 [ 92.787123][ C1] ? security_file_permission+0x74/0x280 [ 92.792861][ C1] vfs_write+0xaeb/0xd30 [ 92.797130][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 92.802543][ C1] ? __pfx_vfs_write+0x10/0x10 [ 92.807512][ C1] ? fdget_pos+0x19a/0x320 [ 92.812028][ C1] ksys_write+0x183/0x2b0 [ 92.816397][ C1] ? __pfx_ksys_write+0x10/0x10 [ 92.821368][ C1] ? do_syscall_64+0x100/0x230 [ 92.826184][ C1] ? do_syscall_64+0xb6/0x230 [ 92.830892][ C1] do_syscall_64+0xf3/0x230 [ 92.835582][ C1] ? clear_bhb_loop+0x35/0x90 [ 92.840296][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.846231][ C1] RIP: 0033:0x449cf9 [ 92.850156][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 92.870230][ C1] RSP: 002b:00007fe0610040e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 92.878760][ C1] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9 [ 92.886765][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 92.894769][ C1] RBP: 00007fe061004674 R08: 0000000000000000 R09: 0000000000000000 [ 92.902760][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 92.910747][ C1] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 92.918789][ C1] [ 92.930189][ T6149] net_ratelimit: 35 callbacks suppressed [ 92.930214][ T6149] dccp_close: ABORT with 36 bytes unread [ 92.942088][ T6166] dccp_close: ABORT with 36 bytes unread [ 92.950089][ T6169] dccp_close: ABORT with 36 bytes unread [ 92.959468][ T6159] dccp_close: ABORT with 36 bytes unread [ 92.971145][ T6151] dccp_close: ABORT with 36 bytes unread [ 92.996210][ T6187] __nla_validate_parse: 113 callbacks suppressed [ 92.996232][ T6187] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 92.998349][ T6167] dccp_close: ABORT with 36 bytes unread [ 93.020684][ T6185] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 93.025237][ T6176] dccp_close: ABORT with 36 bytes unread [ 93.053132][ T6188] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 93.070353][ T6184] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 93.080809][ T6193] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 93.091048][ T6190] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 93.104219][ T6189] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 93.114685][ T6199] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 93.126065][ T6200] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 93.148194][ T6194] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'. [ 93.164418][ T6185] dccp_close: ABORT with 36 bytes unread [ 93.171814][ 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() [ 93.185794][ C0] CPU: 0 UID: 0 PID: 6212 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 93.196231][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 93.206482][ C0] Call Trace: [ 93.209769][ C0] [ 93.212685][ C0] dump_stack_lvl+0x241/0x360 [ 93.217383][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.222636][ C0] ? __pfx__printk+0x10/0x10 [ 93.227267][ C0] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 93.232742][ C0] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 93.238202][ C0] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 93.243671][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 93.249656][ C0] dccp_rcv_established+0x1bb/0x320 [ 93.254872][ C0] dccp_v4_do_rcv+0xff/0x1f0 [ 93.259461][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 93.265106][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 93.270298][ C0] __sk_receive_skb+0x82b/0x8b0 [ 93.275146][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 93.280106][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 93.285132][ C0] ip_protocol_deliver_rcu+0x2e9/0x440 [ 93.290628][ C0] ? ip_local_deliver_finish+0x230/0x5f0 [ 93.296267][ C0] ip_local_deliver_finish+0x341/0x5f0 [ 93.301736][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 93.307747][ C0] NF_HOOK+0x3a4/0x450 [ 93.311843][ C0] ? NF_HOOK+0x9a/0x450 [ 93.316031][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 93.320652][ C0] ? ip_rcv_finish+0x406/0x560 [ 93.325558][ C0] ? __pfx_ip_rcv_finish+0x10/0x10 [ 93.330912][ C0] NF_HOOK+0x3a4/0x450 [ 93.334994][ C0] ? __lock_acquire+0x1384/0x2050 [ 93.340135][ C0] ? NF_HOOK+0x9a/0x450 [ 93.344336][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 93.348956][ C0] ? ip_rcv_core+0x801/0xd10 [ 93.353682][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 93.358202][ C0] __netif_receive_skb+0x2bf/0x650 [ 93.363605][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 93.368678][ C0] ? __pfx___netif_receive_skb+0x10/0x10 [ 93.374324][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 93.380421][ C0] ? __pfx_lock_release+0x10/0x10 [ 93.385503][ C0] ? _raw_spin_lock_irq+0xdf/0x120 [ 93.390865][ C0] process_backlog+0x662/0x15b0 [ 93.396013][ C0] ? process_backlog+0x33b/0x15b0 [ 93.401356][ C0] ? __pfx_process_backlog+0x10/0x10 [ 93.406650][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 93.412737][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 93.419200][ C0] __napi_poll+0xcb/0x490 [ 93.423550][ C0] net_rx_action+0x89b/0x1240 [ 93.428354][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 93.433599][ C0] ? sched_clock+0x4a/0x70 [ 93.438133][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 93.444480][ C0] handle_softirqs+0x2c5/0x980 [ 93.449274][ C0] ? do_softirq+0x11b/0x1e0 [ 93.453798][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 93.459098][ C0] do_softirq+0x11b/0x1e0 [ 93.463518][ C0] [ 93.466714][ C0] [ 93.469647][ C0] ? __pfx_do_softirq+0x10/0x10 [ 93.474497][ C0] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 93.480224][ C0] ? rcu_is_watching+0x15/0xb0 [ 93.485073][ C0] __local_bh_enable_ip+0x1bb/0x200 [ 93.490272][ C0] ? dev_hard_start_xmit+0x773/0x7e0 [ 93.495556][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 93.500668][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 93.506483][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 93.511691][ C0] __dev_queue_xmit+0x171d/0x3ed0 [ 93.516765][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 93.521915][ C0] ? __lock_acquire+0x1384/0x2050 [ 93.526949][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 93.532343][ C0] ? mark_lock+0x9a/0x360 [ 93.536683][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 93.542679][ C0] ? ip_finish_output2+0xa14/0x1390 [ 93.547890][ C0] ? ip_finish_output2+0x45f/0x1390 [ 93.553082][ C0] ip_finish_output2+0xd41/0x1390 [ 93.558120][ C0] ? ip_finish_output2+0x45f/0x1390 [ 93.563375][ C0] ? __pfx_ip_finish_output2+0x10/0x10 [ 93.569245][ C0] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 93.574163][ C0] ? __ip_finish_output+0x349/0x400 [ 93.579472][ C0] __ip_queue_xmit+0x118c/0x1b80 [ 93.584432][ C0] ? __ip_queue_xmit+0x5f/0x1b80 [ 93.589385][ C0] dccp_transmit_skb+0xf41/0x16a0 [ 93.594424][ C0] dccp_xmit_packet+0x376/0x610 [ 93.599415][ C0] ? __virt_addr_valid+0x183/0x530 [ 93.604718][ C0] dccp_write_xmit+0x138/0x220 [ 93.609797][ C0] dccp_sendmsg+0x76f/0xba0 [ 93.614407][ C0] ? __pfx_dccp_sendmsg+0x10/0x10 [ 93.619548][ C0] ? sock_rps_record_flow+0x1a/0x400 [ 93.624896][ C0] ? inet_sendmsg+0x330/0x390 [ 93.629612][ C0] __sock_sendmsg+0x1a6/0x270 [ 93.634302][ C0] sock_write_iter+0x2d7/0x3f0 [ 93.639101][ C0] ? __pfx_sock_write_iter+0x10/0x10 [ 93.644428][ C0] ? bpf_lsm_file_permission+0x9/0x10 [ 93.649817][ C0] ? security_file_permission+0x74/0x280 [ 93.655479][ C0] vfs_write+0xaeb/0xd30 [ 93.659849][ C0] ? __pfx_sock_write_iter+0x10/0x10 [ 93.665136][ C0] ? __pfx_vfs_write+0x10/0x10 [ 93.669933][ C0] ? fdget_pos+0x19a/0x320 [ 93.674375][ C0] ksys_write+0x183/0x2b0 [ 93.678751][ C0] ? __pfx_ksys_write+0x10/0x10 [ 93.683607][ C0] ? do_syscall_64+0x100/0x230 [ 93.688380][ C0] ? do_syscall_64+0xb6/0x230 [ 93.693056][ C0] do_syscall_64+0xf3/0x230 [ 93.697676][ C0] ? clear_bhb_loop+0x35/0x90 [ 93.702356][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.708602][ C0] RIP: 0033:0x449cf9 [ 93.712536][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 93.732265][ C0] RSP: 002b:00007f0cd3df80e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 93.740713][ C0] RAX: ffffffffffffffda RBX: 0000000000538248 RCX: 0000000000449cf9 [ 93.748687][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 93.756687][ C0] RBP: 00007f0cd3df8674 R08: 0000000000000000 R09: 0000000000000000 [ 93.764704][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 93.772790][ C0] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 93.780876][ C0] [ 93.800290][ T6194] dccp_close: ABORT with 36 bytes unread [ 93.804716][ T6196] dccp_close: ABORT with 36 bytes unread [ 94.104113][ 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() [ 94.119297][ C1] CPU: 1 UID: 0 PID: 6276 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 94.129683][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 94.139968][ C1] Call Trace: [ 94.143297][ C1] [ 94.146193][ C1] dump_stack_lvl+0x241/0x360 [ 94.150932][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.156188][ C1] ? __pfx__printk+0x10/0x10 [ 94.160835][ C1] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 94.166644][ C1] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 94.168214][ 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() [ 94.172147][ C1] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 94.172195][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 94.172229][ C1] dccp_rcv_established+0x1bb/0x320 [ 94.203051][ C1] dccp_v4_do_rcv+0xff/0x1f0 [ 94.207681][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 94.213427][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 94.218633][ C1] __sk_receive_skb+0x82b/0x8b0 [ 94.223689][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 94.228729][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 94.233594][ C1] ip_protocol_deliver_rcu+0x2e9/0x440 [ 94.239084][ C1] ? ip_local_deliver_finish+0x230/0x5f0 [ 94.244824][ C1] ip_local_deliver_finish+0x341/0x5f0 [ 94.250395][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 94.256392][ C1] NF_HOOK+0x3a4/0x450 [ 94.260742][ C1] ? NF_HOOK+0x9a/0x450 [ 94.264909][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 94.269527][ C1] ? ip_rcv_finish+0x406/0x560 [ 94.274306][ C1] ? __pfx_ip_rcv_finish+0x10/0x10 [ 94.279441][ C1] NF_HOOK+0x3a4/0x450 [ 94.283613][ C1] ? __lock_acquire+0x1384/0x2050 [ 94.288760][ C1] ? NF_HOOK+0x9a/0x450 [ 94.293107][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 94.297714][ C1] ? ip_rcv_core+0x801/0xd10 [ 94.302507][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 94.307033][ C1] __netif_receive_skb+0x2bf/0x650 [ 94.312251][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 94.317292][ C1] ? __pfx___netif_receive_skb+0x10/0x10 [ 94.322937][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 94.328960][ C1] ? __pfx_lock_release+0x10/0x10 [ 94.334002][ C1] ? _raw_spin_lock_irq+0xdf/0x120 [ 94.339135][ C1] process_backlog+0x662/0x15b0 [ 94.344096][ C1] ? process_backlog+0x33b/0x15b0 [ 94.349160][ C1] ? __pfx_process_backlog+0x10/0x10 [ 94.354551][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 94.360554][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 94.366995][ C1] __napi_poll+0xcb/0x490 [ 94.371520][ C1] net_rx_action+0x89b/0x1240 [ 94.376271][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 94.381404][ C1] ? sched_clock+0x4a/0x70 [ 94.385882][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 94.392282][ C1] handle_softirqs+0x2c5/0x980 [ 94.397094][ C1] ? do_softirq+0x11b/0x1e0 [ 94.401630][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 94.406945][ C1] do_softirq+0x11b/0x1e0 [ 94.411293][ C1] [ 94.414234][ C1] [ 94.417180][ C1] ? __pfx_do_softirq+0x10/0x10 [ 94.422338][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 94.428080][ C1] ? rcu_is_watching+0x15/0xb0 [ 94.432863][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 94.438518][ C1] ? dev_hard_start_xmit+0x773/0x7e0 [ 94.443826][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 94.449125][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 94.454879][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 94.460010][ C1] __dev_queue_xmit+0x171d/0x3ed0 [ 94.465169][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 94.470296][ C1] ? __lock_acquire+0x1384/0x2050 [ 94.475382][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 94.480885][ C1] ? mark_lock+0x9a/0x360 [ 94.485407][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 94.491413][ C1] ? ip_finish_output2+0xa14/0x1390 [ 94.496658][ C1] ? ip_finish_output2+0x45f/0x1390 [ 94.502053][ C1] ip_finish_output2+0xd41/0x1390 [ 94.507118][ C1] ? ip_finish_output2+0x45f/0x1390 [ 94.512516][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 94.518078][ C1] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 94.523032][ C1] ? __ip_finish_output+0x349/0x400 [ 94.528247][ C1] __ip_queue_xmit+0x118c/0x1b80 [ 94.533205][ C1] ? __ip_queue_xmit+0x5f/0x1b80 [ 94.538162][ C1] dccp_transmit_skb+0xf41/0x16a0 [ 94.543300][ C1] dccp_xmit_packet+0x376/0x610 [ 94.548190][ C1] ? __virt_addr_valid+0x183/0x530 [ 94.553344][ C1] dccp_write_xmit+0x138/0x220 [ 94.558144][ C1] dccp_sendmsg+0x76f/0xba0 [ 94.562681][ C1] ? __pfx_dccp_sendmsg+0x10/0x10 [ 94.567766][ C1] ? sock_rps_record_flow+0x1a/0x400 [ 94.573070][ C1] ? inet_sendmsg+0x330/0x390 [ 94.577773][ C1] __sock_sendmsg+0x1a6/0x270 [ 94.582477][ C1] sock_write_iter+0x2d7/0x3f0 [ 94.587349][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 94.592842][ C1] ? bpf_lsm_file_permission+0x9/0x10 [ 94.598431][ C1] ? security_file_permission+0x74/0x280 [ 94.604087][ C1] vfs_write+0xaeb/0xd30 [ 94.608355][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 94.613935][ C1] ? __pfx_vfs_write+0x10/0x10 [ 94.618828][ C1] ? fdget_pos+0x19a/0x320 [ 94.623609][ C1] ksys_write+0x183/0x2b0 [ 94.628049][ C1] ? __pfx_ksys_write+0x10/0x10 [ 94.633005][ C1] ? do_syscall_64+0x100/0x230 [ 94.637962][ C1] ? do_syscall_64+0xb6/0x230 [ 94.642668][ C1] do_syscall_64+0xf3/0x230 [ 94.647185][ C1] ? clear_bhb_loop+0x35/0x90 [ 94.652054][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.658063][ C1] RIP: 0033:0x449cf9 [ 94.662497][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 94.682401][ C1] RSP: 002b:00007f2aa65550e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 94.691095][ C1] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9 [ 94.699080][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 94.707084][ C1] RBP: 00007f2aa6555674 R08: 0000000000000000 R09: 0000000000000000 [ 94.715186][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 94.723356][ C1] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 94.731628][ C1] [ 94.734689][ C0] CPU: 0 UID: 0 PID: 6286 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 94.745086][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 94.755189][ C0] Call Trace: [ 94.758577][ C0] [ 94.761442][ C0] dump_stack_lvl+0x241/0x360 [ 94.766172][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.771388][ C0] ? __pfx__printk+0x10/0x10 [ 94.776087][ C0] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 94.781484][ C0] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 94.786977][ C0] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 94.792461][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 94.798462][ C0] dccp_rcv_established+0x1bb/0x320 [ 94.803683][ C0] dccp_v4_do_rcv+0xff/0x1f0 [ 94.808312][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 94.814137][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 94.819397][ C0] __sk_receive_skb+0x82b/0x8b0 [ 94.824416][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 94.829388][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 94.834259][ C0] ip_protocol_deliver_rcu+0x2e9/0x440 [ 94.839738][ C0] ? ip_local_deliver_finish+0x230/0x5f0 [ 94.845390][ C0] ip_local_deliver_finish+0x341/0x5f0 [ 94.850964][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 94.857153][ C0] NF_HOOK+0x3a4/0x450 [ 94.861242][ C0] ? NF_HOOK+0x9a/0x450 [ 94.865431][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 94.870135][ C0] ? ip_rcv_finish+0x406/0x560 [ 94.875093][ C0] ? __pfx_ip_rcv_finish+0x10/0x10 [ 94.880244][ C0] NF_HOOK+0x3a4/0x450 [ 94.884331][ C0] ? __lock_acquire+0x1384/0x2050 [ 94.889560][ C0] ? NF_HOOK+0x9a/0x450 [ 94.893830][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 94.898433][ C0] ? ip_rcv_core+0x801/0xd10 [ 94.903154][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 94.907673][ C0] __netif_receive_skb+0x2bf/0x650 [ 94.912818][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 94.917948][ C0] ? __pfx___netif_receive_skb+0x10/0x10 [ 94.923596][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 94.929621][ C0] ? __pfx_lock_release+0x10/0x10 [ 94.934755][ C0] ? _raw_spin_lock_irq+0xdf/0x120 [ 94.939977][ C0] process_backlog+0x662/0x15b0 [ 94.944862][ C0] ? process_backlog+0x33b/0x15b0 [ 94.949995][ C0] ? __pfx_process_backlog+0x10/0x10 [ 94.955299][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 94.961470][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 94.967848][ C0] __napi_poll+0xcb/0x490 [ 94.972513][ C0] net_rx_action+0x89b/0x1240 [ 94.977314][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 94.982537][ C0] ? sched_clock+0x4a/0x70 [ 94.987071][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 94.993424][ C0] handle_softirqs+0x2c5/0x980 [ 94.998466][ C0] ? do_softirq+0x11b/0x1e0 [ 95.003013][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 95.008317][ C0] do_softirq+0x11b/0x1e0 [ 95.012687][ C0] [ 95.015627][ C0] [ 95.018574][ C0] ? __pfx_do_softirq+0x10/0x10 [ 95.023440][ C0] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 95.029208][ C0] ? rcu_is_watching+0x15/0xb0 [ 95.034353][ C0] __local_bh_enable_ip+0x1bb/0x200 [ 95.039586][ C0] ? dev_hard_start_xmit+0x773/0x7e0 [ 95.045387][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 95.050639][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 95.056386][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 95.061513][ C0] __dev_queue_xmit+0x171d/0x3ed0 [ 95.066615][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 95.071735][ C0] ? __lock_acquire+0x1384/0x2050 [ 95.076866][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 95.082441][ C0] ? mark_lock+0x9a/0x360 [ 95.086801][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 95.092927][ C0] ? ip_finish_output2+0xa14/0x1390 [ 95.098189][ C0] ? ip_finish_output2+0x45f/0x1390 [ 95.103405][ C0] ip_finish_output2+0xd41/0x1390 [ 95.108441][ C0] ? ip_finish_output2+0x45f/0x1390 [ 95.113776][ C0] ? __pfx_ip_finish_output2+0x10/0x10 [ 95.119356][ C0] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 95.124395][ C0] ? __ip_finish_output+0x349/0x400 [ 95.129613][ C0] __ip_queue_xmit+0x118c/0x1b80 [ 95.134571][ C0] ? __ip_queue_xmit+0x5f/0x1b80 [ 95.139649][ C0] dccp_transmit_skb+0xf41/0x16a0 [ 95.144698][ C0] dccp_xmit_packet+0x376/0x610 [ 95.149617][ C0] ? __virt_addr_valid+0x183/0x530 [ 95.154743][ C0] dccp_write_xmit+0x138/0x220 [ 95.159526][ C0] dccp_sendmsg+0x76f/0xba0 [ 95.164045][ C0] ? __pfx_dccp_sendmsg+0x10/0x10 [ 95.169081][ C0] ? sock_rps_record_flow+0x1a/0x400 [ 95.174377][ C0] ? inet_sendmsg+0x330/0x390 [ 95.179066][ C0] __sock_sendmsg+0x1a6/0x270 [ 95.183933][ C0] sock_write_iter+0x2d7/0x3f0 [ 95.188798][ C0] ? __pfx_sock_write_iter+0x10/0x10 [ 95.194111][ C0] ? bpf_lsm_file_permission+0x9/0x10 [ 95.199498][ C0] ? security_file_permission+0x74/0x280 [ 95.205234][ C0] vfs_write+0xaeb/0xd30 [ 95.209516][ C0] ? __pfx_sock_write_iter+0x10/0x10 [ 95.214900][ C0] ? __pfx_vfs_write+0x10/0x10 [ 95.219781][ C0] ? fdget_pos+0x19a/0x320 [ 95.224207][ C0] ksys_write+0x183/0x2b0 [ 95.228563][ C0] ? __pfx_ksys_write+0x10/0x10 [ 95.233506][ C0] ? do_syscall_64+0x100/0x230 [ 95.238378][ C0] ? do_syscall_64+0xb6/0x230 [ 95.243064][ C0] do_syscall_64+0xf3/0x230 [ 95.247749][ C0] ? clear_bhb_loop+0x35/0x90 [ 95.252449][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.258351][ C0] RIP: 0033:0x449cf9 [ 95.262345][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 95.282310][ C0] RSP: 002b:00007f76dea0f0e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 95.290749][ C0] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9 [ 95.298819][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 95.306806][ C0] RBP: 00007f76dea0f674 R08: 0000000000000000 R09: 0000000000000000 [ 95.314875][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 95.322942][ C0] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 95.331110][ C0] [ 95.488899][ 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() [ 95.503088][ C1] CPU: 1 UID: 0 PID: 6295 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 95.513565][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 95.523848][ C1] Call Trace: [ 95.527249][ C1] [ 95.530128][ C1] dump_stack_lvl+0x241/0x360 [ 95.535117][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 95.540407][ C1] ? __pfx__printk+0x10/0x10 [ 95.545117][ C1] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 95.550574][ C1] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 95.556209][ C1] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 95.562094][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 95.568263][ C1] dccp_rcv_established+0x1bb/0x320 [ 95.573539][ C1] dccp_v4_do_rcv+0xff/0x1f0 [ 95.574399][ 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() [ 95.578177][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 95.578216][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 95.578237][ C1] __sk_receive_skb+0x82b/0x8b0 [ 95.578264][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 95.578286][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 95.617817][ C1] ip_protocol_deliver_rcu+0x2e9/0x440 [ 95.623541][ C1] ? ip_local_deliver_finish+0x230/0x5f0 [ 95.629192][ C1] ip_local_deliver_finish+0x341/0x5f0 [ 95.634780][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 95.640803][ C1] NF_HOOK+0x3a4/0x450 [ 95.644917][ C1] ? NF_HOOK+0x9a/0x450 [ 95.649116][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 95.653908][ C1] ? ip_rcv_finish+0x406/0x560 [ 95.658792][ C1] ? __pfx_ip_rcv_finish+0x10/0x10 [ 95.663920][ C1] NF_HOOK+0x3a4/0x450 [ 95.668001][ C1] ? __lock_acquire+0x1384/0x2050 [ 95.673054][ C1] ? NF_HOOK+0x9a/0x450 [ 95.677229][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 95.681840][ C1] ? ip_rcv_core+0x801/0xd10 [ 95.686610][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 95.691189][ C1] __netif_receive_skb+0x2bf/0x650 [ 95.696345][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 95.701416][ C1] ? __pfx___netif_receive_skb+0x10/0x10 [ 95.707162][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 95.713170][ C1] ? __pfx_lock_release+0x10/0x10 [ 95.718220][ C1] ? _raw_spin_lock_irq+0xdf/0x120 [ 95.723358][ C1] process_backlog+0x662/0x15b0 [ 95.728237][ C1] ? process_backlog+0x33b/0x15b0 [ 95.733284][ C1] ? __pfx_process_backlog+0x10/0x10 [ 95.738675][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 95.744676][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 95.751123][ C1] __napi_poll+0xcb/0x490 [ 95.755474][ C1] net_rx_action+0x89b/0x1240 [ 95.760192][ C1] ? __pfx_net_rx_action+0x10/0x10 [ 95.765330][ C1] ? sched_clock+0x4a/0x70 [ 95.769865][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 95.776219][ C1] handle_softirqs+0x2c5/0x980 [ 95.781011][ C1] ? do_softirq+0x11b/0x1e0 [ 95.785575][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 95.790885][ C1] do_softirq+0x11b/0x1e0 [ 95.795255][ C1] [ 95.798213][ C1] [ 95.801172][ C1] ? __pfx_do_softirq+0x10/0x10 [ 95.806056][ C1] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 95.811722][ C1] ? rcu_is_watching+0x15/0xb0 [ 95.816690][ C1] __local_bh_enable_ip+0x1bb/0x200 [ 95.821945][ C1] ? dev_hard_start_xmit+0x773/0x7e0 [ 95.827350][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 95.832480][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 95.838221][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 95.843352][ C1] __dev_queue_xmit+0x171d/0x3ed0 [ 95.848404][ C1] ? __dev_queue_xmit+0x2da/0x3ed0 [ 95.853539][ C1] ? __lock_acquire+0x1384/0x2050 [ 95.858641][ C1] ? __pfx___dev_queue_xmit+0x10/0x10 [ 95.864051][ C1] ? mark_lock+0x9a/0x360 [ 95.868660][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 95.874926][ C1] ? ip_finish_output2+0xa14/0x1390 [ 95.880144][ C1] ? ip_finish_output2+0x45f/0x1390 [ 95.885441][ C1] ip_finish_output2+0xd41/0x1390 [ 95.890483][ C1] ? ip_finish_output2+0x45f/0x1390 [ 95.895701][ C1] ? __pfx_ip_finish_output2+0x10/0x10 [ 95.901175][ C1] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 95.906044][ C1] ? __ip_finish_output+0x349/0x400 [ 95.911528][ C1] __ip_queue_xmit+0x118c/0x1b80 [ 95.916485][ C1] ? __ip_queue_xmit+0x5f/0x1b80 [ 95.921790][ C1] dccp_transmit_skb+0xf41/0x16a0 [ 95.926942][ C1] dccp_xmit_packet+0x376/0x610 [ 95.932154][ C1] ? __virt_addr_valid+0x183/0x530 [ 95.937285][ C1] dccp_write_xmit+0x138/0x220 [ 95.942064][ C1] dccp_sendmsg+0x76f/0xba0 [ 95.946588][ C1] ? __pfx_dccp_sendmsg+0x10/0x10 [ 95.951981][ C1] ? sock_rps_record_flow+0x1a/0x400 [ 95.957308][ C1] ? inet_sendmsg+0x330/0x390 [ 95.961999][ C1] __sock_sendmsg+0x1a6/0x270 [ 95.966701][ C1] sock_write_iter+0x2d7/0x3f0 [ 95.971498][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 95.976932][ C1] ? bpf_lsm_file_permission+0x9/0x10 [ 95.982494][ C1] ? security_file_permission+0x74/0x280 [ 95.988154][ C1] vfs_write+0xaeb/0xd30 [ 95.992509][ C1] ? __pfx_sock_write_iter+0x10/0x10 [ 95.997905][ C1] ? __pfx_vfs_write+0x10/0x10 [ 96.002703][ C1] ? fdget_pos+0x19a/0x320 [ 96.007159][ C1] ksys_write+0x183/0x2b0 [ 96.011550][ C1] ? __pfx_ksys_write+0x10/0x10 [ 96.016488][ C1] ? do_syscall_64+0x100/0x230 [ 96.021336][ C1] ? do_syscall_64+0xb6/0x230 [ 96.026077][ C1] do_syscall_64+0xf3/0x230 [ 96.030639][ C1] ? clear_bhb_loop+0x35/0x90 [ 96.035712][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.041737][ C1] RIP: 0033:0x449cf9 [ 96.045728][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 96.065470][ C1] RSP: 002b:00007f17df8750e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 [ 96.074176][ C1] RAX: ffffffffffffffda RBX: 0000000000538020 RCX: 0000000000449cf9 [ 96.082173][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005 [ 96.090348][ C1] RBP: 00007f17df875674 R08: 0000000000000000 R09: 0000000000000000 [ 96.098421][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff [ 96.106430][ C1] R13: 000000000000060a R14: 00000000004d71f0 R15: 0000000000495546 [ 96.114472][ C1] [ 96.117521][ C0] CPU: 0 UID: 0 PID: 6316 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 96.128008][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 96.138201][ C0] Call Trace: [ 96.141539][ C0] [ 96.144444][ C0] dump_stack_lvl+0x241/0x360 [ 96.149198][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 96.154477][ C0] ? __pfx__printk+0x10/0x10 [ 96.159096][ C0] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 96.164512][ C0] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 96.170041][ C0] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 96.175581][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 96.181728][ C0] dccp_rcv_established+0x1bb/0x320 [ 96.187014][ C0] dccp_v4_do_rcv+0xff/0x1f0 [ 96.191662][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 96.197365][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 96.202620][ C0] __sk_receive_skb+0x82b/0x8b0 [ 96.207534][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 96.212527][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 96.217469][ C0] ip_protocol_deliver_rcu+0x2e9/0x440 [ 96.222993][ C0] ? ip_local_deliver_finish+0x230/0x5f0 [ 96.228706][ C0] ip_local_deliver_finish+0x341/0x5f0 [ 96.234244][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 96.240377][ C0] NF_HOOK+0x3a4/0x450 [ 96.244538][ C0] ? NF_HOOK+0x9a/0x450 [ 96.248756][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 96.253416][ C0] ? ip_rcv_finish+0x406/0x560 [ 96.258246][ C0] ? __pfx_ip_rcv_finish+0x10/0x10 [ 96.263526][ C0] NF_HOOK+0x3a4/0x450 [ 96.267672][ C0] ? __lock_acquire+0x1384/0x2050 [ 96.272766][ C0] ? NF_HOOK+0x9a/0x450 [ 96.276988][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 96.281813][ C0] ? ip_rcv_core+0x801/0xd10 [ 96.286472][ C0] ? __pfx_ip_rcv+0x10/0x10 [ 96.291122][ C0] __netif_receive_skb+0x2bf/0x650 [ 96.296297][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 96.301388][ C0] ? __pfx___netif_receive_skb+0x10/0x10 [ 96.307098][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 96.313368][ C0] ? __pfx_lock_release+0x10/0x10 [ 96.318467][ C0] ? _raw_spin_lock_irq+0xdf/0x120 [ 96.323745][ C0] process_backlog+0x662/0x15b0 [ 96.328684][ C0] ? process_backlog+0x33b/0x15b0 [ 96.333832][ C0] ? __pfx_process_backlog+0x10/0x10 [ 96.339186][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 96.345246][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 96.351645][ C0] __napi_poll+0xcb/0x490 [ 96.356144][ C0] net_rx_action+0x89b/0x1240 [ 96.360936][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 96.366122][ C0] ? sched_clock+0x4a/0x70 [ 96.370633][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 96.377057][ C0] handle_softirqs+0x2c5/0x980 [ 96.381903][ C0] ? do_softirq+0x11b/0x1e0 [ 96.386556][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 96.392064][ C0] do_softirq+0x11b/0x1e0 [ 96.396540][ C0] [ 96.399519][ C0] [ 96.402493][ C0] ? __pfx_do_softirq+0x10/0x10 [ 96.407403][ C0] ? __pfx_lockdep_softirqs_on+0x10/0x10 [ 96.413105][ C0] ? rcu_is_watching+0x15/0xb0 [ 96.417940][ C0] __local_bh_enable_ip+0x1bb/0x200 [ 96.423291][ C0] ? dev_hard_start_xmit+0x773/0x7e0 [ 96.428725][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 96.433912][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 96.439703][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 96.444886][ C0] __dev_queue_xmit+0x171d/0x3ed0 [ 96.449986][ C0] ? __dev_queue_xmit+0x2da/0x3ed0 [ 96.455154][ C0] ? __lock_acquire+0x1384/0x2050 [ 96.460260][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 96.465724][ C0] ? mark_lock+0x9a/0x360 [ 96.470128][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 96.476194][ C0] ? ip_finish_output2+0xa14/0x1390 [ 96.482154][ C0] ? ip_finish_output2+0x45f/0x1390 [ 96.487682][ C0] ip_finish_output2+0xd41/0x1390 [ 96.492779][ C0] ? ip_finish_output2+0x45f/0x1390 [ 96.498049][ C0] ? __pfx_ip_finish_output2+0x10/0x10 [ 96.503665][ C0] ? ip_skb_dst_mtu+0x6ba/0x9b0 [ 96.508670][ C0] ? __ip_finish_output+0x349/0x400 [ 96.513928][ C0] __ip_queue_xmit+0x118c/0x1b80 [ 96.518942][ C0] ? __ip_queue_xmit+0x5f/0x1b80 [ 96.523949][ C0] dccp_transmit_skb+0xf41/0x16a0 [ 96.529057][ C0] dccp_xmit_packet+0x376/0x610 [ 96.533977][ C0] ? __virt_addr_valid+0x183/0x530 [ 96.539255][ C0] dccp_write_xmit+0x138/0x220 [ 96.544085][ C0] dccp_sendmsg+0x76f/0xba0 [ 96.548672][ C0] ? __pfx_dccp_sendmsg+0x10/0x10 [ 96.553933][ C0] ? sock_rps_record_flow+0x1a/0x400 [ 96.556510][ 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() [ 96.559254][ C0] ? inet_sendmsg+0x330/0x390 [ 96.559292][ C0] __sock_sendmsg+0x1a6/0x270 [ 96.559329][ C0] __sys_sendto+0x39b/0x4f0 [ 96.559359][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 96.592378][ C0] ? do_futex+0x33b/0x560 [ 96.596866][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 96.602888][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 96.609246][ C0] __x64_sys_sendto+0xde/0x100 [ 96.614396][ C0] do_syscall_64+0xf3/0x230 [ 96.618919][ C0] ? clear_bhb_loop+0x35/0x90 [ 96.623789][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.629791][ C0] RIP: 0033:0x449cf9 [ 96.633766][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1e 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 b4 ff ff ff f7 d8 64 89 01 48 [ 96.653685][ C0] RSP: 002b:00007f0cd3e5b0e8 EFLAGS: 00000212 ORIG_RAX: 000000000000002c [ 96.662129][ C0] RAX: ffffffffffffffda RBX: 0000000000538020 RCX: 0000000000449cf9 [ 96.670224][ C0] RDX: 0000000000000002 RSI: 0000000020529ffe RDI: 0000000000000005 [ 96.678235][ C0] RBP: 00007f0cd3e5b674 R08: 0000000020c0fff0 R09: 0000000000000010 [ 96.686594][ C0] R10: 0000000000000001 R11: 0000000000000212 R12: 00000000ffffffff [ 96.694663][ C0] R13: 000000000000045a R14: 00000000004d4970 R15: 0000000000495546 [ 96.702661][ C0] [ 96.705691][ C1] CPU: 1 UID: 0 PID: 6369 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-g819837584309 #0 [ 96.716344][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 96.726421][ C1] Call Trace: [ 96.729713][ C1] [ 96.732608][ C1] dump_stack_lvl+0x241/0x360 [ 96.737343][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 96.742569][ C1] ? __pfx__printk+0x10/0x10 [ 96.747214][ C1] ? tfrc_rx_handle_loss+0xc33/0x1880 [ 96.752762][ C1] tfrc_rx_hist_sample_rtt+0x397/0x4b0 [ 96.758263][ C1] ccid3_hc_rx_packet_recv+0x69d/0xe60 [ 96.764112][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10 [ 96.770303][ C1] dccp_rcv_established+0x1bb/0x320 [ 96.775615][ C1] dccp_v4_do_rcv+0xff/0x1f0 [ 96.780216][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x440 [ 96.785883][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10 [ 96.791123][ C1] __sk_receive_skb+0x82b/0x8b0 [ 96.796077][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10 [ 96.801227][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10 [ 96.806119][ C1] ip_protocol_deliver_rcu+0x2e9/0x440 [ 96.811706][ C1] ? ip_local_deliver_finish+0x230/0x5f0 [ 96.817359][ C1] ip_local_deliver_finish+0x341/0x5f0 [ 96.822856][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 96.828850][ C1] NF_HOOK+0x3a4/0x450 [ 96.833020][ C1] ? NF_HOOK+0x9a/0x450 [ 96.837191][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 96.841804][ C1] ? ip_rcv_finish+0x406/0x560 [ 96.846582][ C1] ? __pfx_ip_rcv_finish+0x10/0x10 [ 96.851703][ C1] NF_HOOK+0x3a4/0x450 [ 96.855892][ C1] ? __lock_acquire+0x1384/0x2050 [ 96.861022][ C1] ? NF_HOOK+0x9a/0x450 [ 96.865217][ C1] ? __pfx_NF_HOOK+0x10/0x10 [ 96.869847][ C1] ? ip_rcv_core+0x801/0xd10 [ 96.874609][ C1] ? __pfx_ip_rcv+0x10/0x10 [ 96.879155][ C1] __netif_receive_skb+0x2bf/0x650 [ 96.884376][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 96.889425][ C1] ? __pfx___netif_receive_skb+0x10/0x10 [ 96.895221][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 96.901221][ C1] ? __pfx_lock_release+0x10/0x10 [ 96.906261][ C1] ? _raw_spin_lock_irq+0xdf/0x120 [ 96.911390][ C1] process_backlog+0x662/0x15b0 [ 96.916260][ C1] ? process_backlog+0x33b/0x15b0 [ 96.921313][ C1] ? __pfx_process_backlog+0x10/0x10 [ 96.926719][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 96.932725][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 96.939280][ C1] __napi_poll+0xcb/0x490