Warning: Permanently added '10.128.0.118' (ED25519) to the list of known hosts.
[ 450.980413][ 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()
[ 450.994652][ C1] CPU: 1 UID: 0 PID: 14499 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 450.994667][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 450.994675][ C1] Call Trace:
[ 450.994680][ C1]
[ 450.994684][ C1] dump_stack_lvl+0x241/0x360
[ 450.994722][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 450.994735][ C1] ? __pfx__printk+0x10/0x10
[ 450.994749][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 450.994772][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 450.994784][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 450.994801][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 450.994815][ C1] dccp_rcv_established+0x1bb/0x320
[ 450.994832][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 450.994842][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 450.994857][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 450.994869][ C1] __sk_receive_skb+0x82b/0x8b0
[ 450.994892][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 450.994909][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 450.994933][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 450.994960][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 450.994983][ C1] ip_local_deliver_finish+0x343/0x600
[ 450.995001][ C1] NF_HOOK+0x3a0/0x450
[ 450.995013][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 450.995025][ C1] ? NF_HOOK+0x9e/0x450
[ 450.995036][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 450.995052][ C1] ? ip_rcv_finish+0x409/0x560
[ 450.995066][ C1] NF_HOOK+0x3a0/0x450
[ 450.995078][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 450.995089][ C1] ? NF_HOOK+0x9e/0x450
[ 450.995100][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 450.995122][ C1] ? ip_rcv_core+0x80c/0xd20
[ 450.995140][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 450.995152][ C1] __netif_receive_skb+0x2c9/0x670
[ 450.995168][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 450.995190][ C1] process_backlog+0x664/0x15c0
[ 450.995206][ C1] ? process_backlog+0x33d/0x15c0
[ 450.995223][ C1] ? __pfx_process_backlog+0x10/0x10
[ 450.995241][ C1] __napi_poll+0xcb/0x480
[ 450.995255][ C1] net_rx_action+0x89d/0x1240
[ 450.995279][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 450.995294][ C1] ? sched_clock+0x4a/0x70
[ 450.995315][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 450.995324][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 450.995342][ C1] handle_softirqs+0x2d6/0x9b0
[ 450.995356][ C1] ? do_softirq+0x11f/0x1e0
[ 450.995367][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 450.995378][ C1] ? rcu_is_watching+0x15/0xb0
[ 450.995392][ C1] do_softirq+0x11f/0x1e0
[ 450.995401][ C1]
[ 450.995404][ C1]
[ 450.995408][ C1] ? __pfx_do_softirq+0x10/0x10
[ 450.995416][ C1] ? rcu_is_watching+0x15/0xb0
[ 450.995429][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 450.995440][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 450.995451][ C1] __local_bh_enable_ip+0x1be/0x200
[ 450.995461][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 450.995471][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 450.995482][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 450.995492][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 450.995503][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 450.995513][ C1] ? __alloc_skb+0x1f2/0x480
[ 450.995520][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 450.995537][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 450.995550][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 450.995567][ C1] ? __lock_acquire+0xad5/0xd80
[ 450.995578][ C1] ? __lock_acquire+0xad5/0xd80
[ 450.995597][ C1] ? ip_finish_output2+0x947/0x12e0
[ 450.995610][ C1] ip_finish_output2+0xcd2/0x12e0
[ 450.995621][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 450.995635][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 450.995645][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 450.995653][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 450.995663][ C1] ? __ip_finish_output+0x34c/0x400
[ 450.995675][ C1] __ip_queue_xmit+0x1042/0x1960
[ 450.995686][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 450.995695][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 450.995706][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 450.995724][ C1] dccp_xmit_packet+0x35a/0x600
[ 450.995737][ C1] dccp_write_xmit+0x138/0x220
[ 450.995749][ C1] dccp_sendmsg+0x76b/0xbb0
[ 450.995764][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 450.995775][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 450.995787][ C1] ? inet_sendmsg+0x330/0x390
[ 450.995799][ C1] __sock_sendmsg+0x1a6/0x270
[ 450.995814][ C1] ____sys_sendmsg+0x523/0x860
[ 450.995828][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 450.995837][ C1] ? __fget_files+0x2a/0x420
[ 450.995852][ C1] ? __fget_files+0x2a/0x420
[ 450.995867][ C1] __sys_sendmsg+0x271/0x360
[ 450.995880][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 450.995918][ C1] ? do_syscall_64+0xb6/0x230
[ 450.995931][ C1] do_syscall_64+0xf3/0x230
[ 450.995943][ C1] ? clear_bhb_loop+0x45/0xa0
[ 450.995955][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 450.995968][ C1] RIP: 0033:0x7fd600b4fc69
[ 450.995983][ 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
[ 450.995991][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 450.996014][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 450.996026][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 450.996037][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 450.996049][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 450.996060][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 450.996090][ C1]
[ 451.553470][T14500] dccp_close: ABORT with 24 bytes unread
[ 451.583565][T14502] dccp_close: ABORT with 24 bytes unread
[ 451.609522][T14506] dccp_close: ABORT with 24 bytes unread
[ 451.629996][ 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()
[ 451.643987][ C1] CPU: 1 UID: 0 PID: 14511 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 451.644003][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 451.644009][ C1] Call Trace:
[ 451.644015][ C1]
[ 451.644020][ C1] dump_stack_lvl+0x241/0x360
[ 451.644053][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 451.644067][ C1] ? __pfx__printk+0x10/0x10
[ 451.644081][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 451.644102][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 451.644114][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 451.644131][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 451.644145][ C1] dccp_rcv_established+0x1bb/0x320
[ 451.644163][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 451.644172][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 451.644187][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 451.644195][ C1] __sk_receive_skb+0x82b/0x8b0
[ 451.644212][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 451.644221][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 451.644234][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 451.644248][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 451.644260][ C1] ip_local_deliver_finish+0x343/0x600
[ 451.644276][ C1] NF_HOOK+0x3a0/0x450
[ 451.644289][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 451.644301][ C1] ? NF_HOOK+0x9e/0x450
[ 451.644311][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 451.644322][ C1] ? ip_rcv_finish_core+0x993/0x1b60
[ 451.644333][ C1] ? ip_rcv_finish+0x192/0x560
[ 451.644344][ C1] ? ip_rcv_finish+0x19c/0x560
[ 451.644357][ C1] ? __sanitizer_cov_trace_pc+0x11/0x70
[ 451.644373][ C1] ? ip_rcv_finish+0x409/0x560
[ 451.644386][ C1] NF_HOOK+0x3a0/0x450
[ 451.644399][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 451.644411][ C1] ? NF_HOOK+0x9e/0x450
[ 451.644423][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 451.644433][ C1] ? ip_rcv_core+0x80c/0xd20
[ 451.644451][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 451.644463][ C1] __netif_receive_skb+0x2c9/0x670
[ 451.644479][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 451.644501][ C1] process_backlog+0x664/0x15c0
[ 451.644517][ C1] ? process_backlog+0x33d/0x15c0
[ 451.644534][ C1] ? __pfx_process_backlog+0x10/0x10
[ 451.644552][ C1] __napi_poll+0xcb/0x480
[ 451.644566][ C1] net_rx_action+0x89d/0x1240
[ 451.644590][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 451.644606][ C1] ? sched_clock+0x4a/0x70
[ 451.644626][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 451.644635][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 451.644666][ C1] handle_softirqs+0x2d6/0x9b0
[ 451.644691][ C1] ? do_softirq+0x11f/0x1e0
[ 451.644710][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 451.644730][ C1] ? rcu_is_watching+0x15/0xb0
[ 451.644755][ C1] do_softirq+0x11f/0x1e0
[ 451.644772][ C1]
[ 451.644778][ C1]
[ 451.644786][ C1] ? __pfx_do_softirq+0x10/0x10
[ 451.644799][ C1] ? rcu_is_watching+0x15/0xb0
[ 451.644819][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 451.644831][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 451.644842][ C1] __local_bh_enable_ip+0x1be/0x200
[ 451.644852][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 451.644862][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 451.644874][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 451.644883][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 451.644895][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 451.644904][ C1] ? __alloc_skb+0x1f2/0x480
[ 451.644912][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 451.644929][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 451.644941][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 451.644959][ C1] ? __lock_acquire+0xad5/0xd80
[ 451.644970][ C1] ? __lock_acquire+0xad5/0xd80
[ 451.644988][ C1] ? ip_finish_output2+0x947/0x12e0
[ 451.645001][ C1] ip_finish_output2+0xcd2/0x12e0
[ 451.645013][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 451.645026][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 451.645036][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 451.645050][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 451.645061][ C1] ? __ip_finish_output+0x34c/0x400
[ 451.645073][ C1] __ip_queue_xmit+0x1042/0x1960
[ 451.645084][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 451.645093][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 451.645104][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 451.645122][ C1] dccp_xmit_packet+0x35a/0x600
[ 451.645134][ C1] dccp_write_xmit+0x138/0x220
[ 451.645146][ C1] dccp_sendmsg+0x76b/0xbb0
[ 451.645162][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 451.645172][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 451.645184][ C1] ? inet_sendmsg+0x330/0x390
[ 451.645197][ C1] __sock_sendmsg+0x1a6/0x270
[ 451.645211][ C1] ____sys_sendmsg+0x523/0x860
[ 451.645226][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 451.645234][ C1] ? __fget_files+0x2a/0x420
[ 451.645245][ C1] ? __fget_files+0x2a/0x420
[ 451.645258][ C1] __sys_sendmsg+0x271/0x360
[ 451.645271][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 451.645308][ C1] ? do_syscall_64+0xb6/0x230
[ 451.645322][ C1] do_syscall_64+0xf3/0x230
[ 451.645333][ C1] ? clear_bhb_loop+0x45/0xa0
[ 451.645345][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.645355][ C1] RIP: 0033:0x7fd600b4fc69
[ 451.645366][ 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
[ 451.645374][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 451.645385][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 451.645392][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 451.645398][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 451.645404][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 451.645410][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 451.645425][ C1]
[ 452.227118][T14512] dccp_close: ABORT with 24 bytes unread
[ 452.246600][ 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()
[ 452.260600][ C0] CPU: 0 UID: 0 PID: 14515 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 452.260623][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 452.260632][ C0] Call Trace:
[ 452.260640][ C0]
[ 452.260648][ C0] dump_stack_lvl+0x241/0x360
[ 452.260670][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 452.260684][ C0] ? __pfx__printk+0x10/0x10
[ 452.260698][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 452.260718][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 452.260744][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 452.260762][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 452.260776][ C0] dccp_rcv_established+0x1bb/0x320
[ 452.260793][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 452.260803][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 452.260816][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 452.260825][ C0] __sk_receive_skb+0x82b/0x8b0
[ 452.260841][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 452.260850][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 452.260863][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 452.260877][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 452.260889][ C0] ip_local_deliver_finish+0x343/0x600
[ 452.260905][ C0] NF_HOOK+0x3a0/0x450
[ 452.260917][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 452.260929][ C0] ? NF_HOOK+0x9e/0x450
[ 452.260940][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 452.260956][ C0] ? ip_rcv_finish+0x409/0x560
[ 452.260970][ C0] NF_HOOK+0x3a0/0x450
[ 452.260984][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 452.260995][ C0] ? NF_HOOK+0x9e/0x450
[ 452.261006][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 452.261016][ C0] ? ip_rcv_core+0x80c/0xd20
[ 452.261033][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 452.261045][ C0] __netif_receive_skb+0x2c9/0x670
[ 452.261062][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 452.261084][ C0] process_backlog+0x664/0x15c0
[ 452.261099][ C0] ? process_backlog+0x33d/0x15c0
[ 452.261116][ C0] ? __pfx_process_backlog+0x10/0x10
[ 452.261138][ C0] __napi_poll+0xcb/0x480
[ 452.261153][ C0] net_rx_action+0x89d/0x1240
[ 452.261177][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 452.261192][ C0] ? sched_clock+0x4a/0x70
[ 452.261213][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 452.261222][ C0] ? sched_clock_cpu+0x77/0x4d0
[ 452.261240][ C0] handle_softirqs+0x2d6/0x9b0
[ 452.261255][ C0] ? do_softirq+0x11f/0x1e0
[ 452.261266][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 452.261277][ C0] ? rcu_is_watching+0x15/0xb0
[ 452.261290][ C0] do_softirq+0x11f/0x1e0
[ 452.261299][ C0]
[ 452.261302][ C0]
[ 452.261306][ C0] ? __pfx_do_softirq+0x10/0x10
[ 452.261315][ C0] ? rcu_is_watching+0x15/0xb0
[ 452.261327][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 452.261339][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 452.261350][ C0] __local_bh_enable_ip+0x1be/0x200
[ 452.261360][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 452.261370][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 452.261381][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 452.261391][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 452.261402][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 452.261412][ C0] ? __alloc_skb+0x1f2/0x480
[ 452.261428][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 452.261437][ C0] ? __pfx___schedule+0x10/0x10
[ 452.261449][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 452.261466][ C0] ? __lock_acquire+0xad5/0xd80
[ 452.261477][ C0] ? __lock_acquire+0xad5/0xd80
[ 452.261496][ C0] ? ip_finish_output2+0x947/0x12e0
[ 452.261509][ C0] ip_finish_output2+0xcd2/0x12e0
[ 452.261520][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 452.261533][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 452.261543][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 452.261551][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 452.261561][ C0] ? __ip_finish_output+0x34c/0x400
[ 452.261573][ C0] __ip_queue_xmit+0x1042/0x1960
[ 452.261584][ C0] ? dccp_v4_send_check+0x2d3/0x580
[ 452.261593][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 452.261605][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 452.261623][ C0] dccp_xmit_packet+0x35a/0x600
[ 452.261635][ C0] dccp_write_xmit+0x138/0x220
[ 452.261647][ C0] dccp_sendmsg+0x76b/0xbb0
[ 452.261662][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 452.261674][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 452.261696][ C0] ? inet_sendmsg+0x330/0x390
[ 452.261718][ C0] __sock_sendmsg+0x1a6/0x270
[ 452.261753][ C0] ____sys_sendmsg+0x523/0x860
[ 452.261775][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 452.261784][ C0] ? __fget_files+0x2a/0x420
[ 452.261795][ C0] ? __fget_files+0x2a/0x420
[ 452.261808][ C0] __sys_sendmsg+0x271/0x360
[ 452.261821][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 452.261858][ C0] ? do_syscall_64+0xb6/0x230
[ 452.261871][ C0] do_syscall_64+0xf3/0x230
[ 452.261882][ C0] ? clear_bhb_loop+0x45/0xa0
[ 452.261894][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 452.261905][ C0] RIP: 0033:0x7fd600b4fc69
[ 452.261915][ 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
[ 452.261922][ C0] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 452.261933][ C0] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 452.261940][ C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 452.261946][ C0] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 452.261952][ C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 452.261958][ C0] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 452.261973][ C0]
[ 452.268251][T14514] dccp_close: ABORT with 24 bytes unread
[ 452.846045][T14518] dccp_close: ABORT with 24 bytes unread
[ 452.871322][T14524] dccp_close: ABORT with 24 bytes unread
[ 452.897419][T14526] dccp_close: ABORT with 24 bytes unread
[ 452.923624][T14530] dccp_close: ABORT with 24 bytes unread
[ 452.951287][T14535] dccp_close: ABORT with 24 bytes unread
[ 452.970794][ 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()
[ 452.985067][ C1] CPU: 1 UID: 0 PID: 14539 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 452.985090][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 452.985101][ C1] Call Trace:
[ 452.985109][ C1]
[ 452.985116][ C1] dump_stack_lvl+0x241/0x360
[ 452.985149][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 452.985174][ C1] ? __pfx__printk+0x10/0x10
[ 452.985193][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 452.985213][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 452.985225][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 452.985242][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 452.985256][ C1] dccp_rcv_established+0x1bb/0x320
[ 452.985273][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 452.985283][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 452.985297][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 452.985305][ C1] __sk_receive_skb+0x82b/0x8b0
[ 452.985322][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 452.985331][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 452.985343][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 452.985357][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 452.985369][ C1] ip_local_deliver_finish+0x343/0x600
[ 452.985385][ C1] NF_HOOK+0x3a0/0x450
[ 452.985398][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 452.985410][ C1] ? NF_HOOK+0x9e/0x450
[ 452.985421][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 452.985437][ C1] ? ip_rcv_finish+0x409/0x560
[ 452.985451][ C1] NF_HOOK+0x3a0/0x450
[ 452.985463][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 452.985474][ C1] ? NF_HOOK+0x9e/0x450
[ 452.985485][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 452.985495][ C1] ? ip_rcv_core+0x80c/0xd20
[ 452.985512][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 452.985524][ C1] __netif_receive_skb+0x2c9/0x670
[ 452.985540][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 452.985562][ C1] process_backlog+0x664/0x15c0
[ 452.985578][ C1] ? process_backlog+0x33d/0x15c0
[ 452.985595][ C1] ? __pfx_process_backlog+0x10/0x10
[ 452.985610][ C1] ? do_raw_spin_unlock+0x13c/0x8b0
[ 452.985625][ C1] __napi_poll+0xcb/0x480
[ 452.985642][ C1] net_rx_action+0x89d/0x1240
[ 452.985667][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 452.985681][ C1] ? sched_clock+0x4a/0x70
[ 452.985702][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 452.985719][ C1] handle_softirqs+0x2d6/0x9b0
[ 452.985734][ C1] ? do_softirq+0x11f/0x1e0
[ 452.985744][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 452.985759][ C1] do_softirq+0x11f/0x1e0
[ 452.985768][ C1]
[ 452.985771][ C1]
[ 452.985775][ C1] ? __pfx_do_softirq+0x10/0x10
[ 452.985783][ C1] ? rcu_is_watching+0x15/0xb0
[ 452.985796][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 452.985808][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 452.985818][ C1] __local_bh_enable_ip+0x1be/0x200
[ 452.985828][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 452.985838][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 452.985850][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 452.985860][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 452.985871][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 452.985881][ C1] ? __alloc_skb+0x1f2/0x480
[ 452.985895][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 452.985912][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 452.985924][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 452.985942][ C1] ? __lock_acquire+0xad5/0xd80
[ 452.985953][ C1] ? __lock_acquire+0xad5/0xd80
[ 452.985972][ C1] ? ip_finish_output2+0x947/0x12e0
[ 452.985984][ C1] ip_finish_output2+0xcd2/0x12e0
[ 452.985996][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 452.986010][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 452.986020][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 452.986027][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 452.986038][ C1] ? __ip_finish_output+0x34c/0x400
[ 452.986049][ C1] __ip_queue_xmit+0x1042/0x1960
[ 452.986060][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 452.986069][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 452.986081][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 452.986099][ C1] dccp_xmit_packet+0x35a/0x600
[ 452.986111][ C1] dccp_write_xmit+0x138/0x220
[ 452.986123][ C1] dccp_sendmsg+0x76b/0xbb0
[ 452.986138][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 452.986152][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 452.986173][ C1] ? inet_sendmsg+0x330/0x390
[ 452.986196][ C1] __sock_sendmsg+0x1a6/0x270
[ 452.986224][ C1] ____sys_sendmsg+0x523/0x860
[ 452.986252][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 452.986263][ C1] ? __fget_files+0x2a/0x420
[ 452.986274][ C1] ? __fget_files+0x2a/0x420
[ 452.986287][ C1] __sys_sendmsg+0x271/0x360
[ 452.986300][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 452.986338][ C1] ? do_syscall_64+0xb6/0x230
[ 452.986351][ C1] do_syscall_64+0xf3/0x230
[ 452.986362][ C1] ? clear_bhb_loop+0x45/0xa0
[ 452.986374][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 452.986383][ C1] RIP: 0033:0x7fd600b4fc69
[ 452.986393][ 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
[ 452.986400][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 452.986412][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 452.986419][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 452.986425][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 452.986431][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 452.986436][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 452.986452][ C1]
[ 453.572224][ 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()
[ 453.586164][ C1] CPU: 1 UID: 0 PID: 14547 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 453.586178][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 453.586184][ C1] Call Trace:
[ 453.586189][ C1]
[ 453.586194][ C1] dump_stack_lvl+0x241/0x360
[ 453.586214][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 453.586227][ C1] ? __pfx__printk+0x10/0x10
[ 453.586241][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 453.586261][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 453.586273][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 453.586290][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 453.586304][ C1] dccp_rcv_established+0x1bb/0x320
[ 453.586321][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 453.586331][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 453.586344][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 453.586352][ C1] __sk_receive_skb+0x82b/0x8b0
[ 453.586369][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 453.586378][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 453.586391][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 453.586404][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 453.586416][ C1] ip_local_deliver_finish+0x343/0x600
[ 453.586432][ C1] NF_HOOK+0x3a0/0x450
[ 453.586445][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 453.586456][ C1] ? NF_HOOK+0x9e/0x450
[ 453.586467][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 453.586484][ C1] ? ip_rcv_finish+0x409/0x560
[ 453.586497][ C1] NF_HOOK+0x3a0/0x450
[ 453.586510][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 453.586521][ C1] ? NF_HOOK+0x9e/0x450
[ 453.586531][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 453.586548][ C1] ? ip_rcv_core+0x80c/0xd20
[ 453.586582][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 453.586606][ C1] __netif_receive_skb+0x2c9/0x670
[ 453.586637][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 453.586662][ C1] process_backlog+0x664/0x15c0
[ 453.586678][ C1] ? process_backlog+0x33d/0x15c0
[ 453.586695][ C1] ? __pfx_process_backlog+0x10/0x10
[ 453.586713][ C1] __napi_poll+0xcb/0x480
[ 453.586727][ C1] net_rx_action+0x89d/0x1240
[ 453.586752][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 453.586766][ C1] ? sched_clock+0x4a/0x70
[ 453.586787][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 453.586796][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 453.586814][ C1] handle_softirqs+0x2d6/0x9b0
[ 453.586828][ C1] ? do_softirq+0x11f/0x1e0
[ 453.586839][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 453.586857][ C1] ? rcu_is_watching+0x15/0xb0
[ 453.586871][ C1] do_softirq+0x11f/0x1e0
[ 453.586880][ C1]
[ 453.586883][ C1]
[ 453.586887][ C1] ? __pfx_do_softirq+0x10/0x10
[ 453.586895][ C1] ? rcu_is_watching+0x15/0xb0
[ 453.586908][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 453.586920][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 453.586931][ C1] __local_bh_enable_ip+0x1be/0x200
[ 453.586941][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 453.586951][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 453.586962][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 453.586972][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 453.586983][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 453.586993][ C1] ? __alloc_skb+0x1f2/0x480
[ 453.587000][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 453.587017][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 453.587030][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 453.587047][ C1] ? __lock_acquire+0xad5/0xd80
[ 453.587058][ C1] ? __lock_acquire+0xad5/0xd80
[ 453.587077][ C1] ? ip_finish_output2+0x947/0x12e0
[ 453.587090][ C1] ip_finish_output2+0xcd2/0x12e0
[ 453.587101][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 453.587115][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 453.587125][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 453.587132][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 453.587143][ C1] ? __ip_finish_output+0x34c/0x400
[ 453.587155][ C1] __ip_queue_xmit+0x1042/0x1960
[ 453.587165][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 453.587174][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 453.587186][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 453.587204][ C1] dccp_xmit_packet+0x35a/0x600
[ 453.587216][ C1] dccp_write_xmit+0x138/0x220
[ 453.587228][ C1] dccp_sendmsg+0x76b/0xbb0
[ 453.587243][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 453.587254][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 453.587266][ C1] ? inet_sendmsg+0x330/0x390
[ 453.587278][ C1] __sock_sendmsg+0x1a6/0x270
[ 453.587292][ C1] ____sys_sendmsg+0x523/0x860
[ 453.587308][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 453.587316][ C1] ? __fget_files+0x2a/0x420
[ 453.587327][ C1] ? __fget_files+0x2a/0x420
[ 453.587340][ C1] __sys_sendmsg+0x271/0x360
[ 453.587353][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 453.587390][ C1] ? do_syscall_64+0xb6/0x230
[ 453.587404][ C1] do_syscall_64+0xf3/0x230
[ 453.587415][ C1] ? clear_bhb_loop+0x45/0xa0
[ 453.587427][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 453.587437][ C1] RIP: 0033:0x7fd600b4fc69
[ 453.587447][ 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
[ 453.587455][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 453.587466][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 453.587472][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 453.587478][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 453.587484][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 453.587490][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 453.587505][ C1]
[ 454.202941][ 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()
[ 454.218691][ C1] CPU: 1 UID: 0 PID: 14559 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 454.218706][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 454.218712][ C1] Call Trace:
[ 454.218719][ C1]
[ 454.218724][ C1] dump_stack_lvl+0x241/0x360
[ 454.218754][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 454.218767][ C1] ? __pfx__printk+0x10/0x10
[ 454.218781][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 454.218802][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 454.218814][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 454.218831][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 454.218845][ C1] dccp_rcv_established+0x1bb/0x320
[ 454.218862][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 454.218872][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 454.218886][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 454.218894][ C1] __sk_receive_skb+0x82b/0x8b0
[ 454.218911][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 454.218920][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 454.218933][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 454.218947][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 454.218959][ C1] ip_local_deliver_finish+0x343/0x600
[ 454.218975][ C1] NF_HOOK+0x3a0/0x450
[ 454.218988][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 454.219000][ C1] ? NF_HOOK+0x9e/0x450
[ 454.219011][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 454.219033][ C1] ? ip_rcv_finish+0x409/0x560
[ 454.219055][ C1] NF_HOOK+0x3a0/0x450
[ 454.219078][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 454.219096][ C1] ? NF_HOOK+0x9e/0x450
[ 454.219112][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 454.219128][ C1] ? ip_rcv_core+0x80c/0xd20
[ 454.219154][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 454.219172][ C1] __netif_receive_skb+0x2c9/0x670
[ 454.219195][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 454.219229][ C1] process_backlog+0x664/0x15c0
[ 454.219252][ C1] ? process_backlog+0x33d/0x15c0
[ 454.219277][ C1] ? __pfx_process_backlog+0x10/0x10
[ 454.219295][ C1] ? __lock_acquire+0xad5/0xd80
[ 454.219313][ C1] ? do_raw_spin_lock+0x151/0x370
[ 454.219334][ C1] __napi_poll+0xcb/0x480
[ 454.219355][ C1] net_rx_action+0x89d/0x1240
[ 454.219391][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 454.219414][ C1] ? sched_clock+0x4a/0x70
[ 454.219444][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 454.219458][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 454.219473][ C1] ? ktime_get+0x1dc/0x200
[ 454.219558][ C1] handle_softirqs+0x2d6/0x9b0
[ 454.219594][ C1] ? do_softirq+0x11f/0x1e0
[ 454.219610][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 454.219631][ C1] do_softirq+0x11f/0x1e0
[ 454.219645][ C1]
[ 454.219649][ C1]
[ 454.219655][ C1] ? __pfx_do_softirq+0x10/0x10
[ 454.219667][ C1] ? rcu_is_watching+0x15/0xb0
[ 454.219687][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 454.219704][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 454.219720][ C1] __local_bh_enable_ip+0x1be/0x200
[ 454.219735][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 454.219750][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 454.219767][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 454.219782][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 454.219816][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 454.219831][ C1] ? __alloc_skb+0x1f2/0x480
[ 454.219842][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 454.219866][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 454.219885][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 454.219912][ C1] ? __lock_acquire+0xad5/0xd80
[ 454.219926][ C1] ? __lock_acquire+0xad5/0xd80
[ 454.219945][ C1] ? ip_finish_output2+0x947/0x12e0
[ 454.219958][ C1] ip_finish_output2+0xcd2/0x12e0
[ 454.219970][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 454.219984][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 454.219994][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 454.220002][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 454.220013][ C1] ? __ip_finish_output+0x34c/0x400
[ 454.220026][ C1] __ip_queue_xmit+0x1042/0x1960
[ 454.220037][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 454.220047][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 454.220059][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 454.220077][ C1] dccp_xmit_packet+0x35a/0x600
[ 454.220090][ C1] dccp_write_xmit+0x138/0x220
[ 454.220102][ C1] dccp_sendmsg+0x76b/0xbb0
[ 454.220117][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 454.220128][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 454.220141][ C1] ? inet_sendmsg+0x330/0x390
[ 454.220153][ C1] __sock_sendmsg+0x1a6/0x270
[ 454.220169][ C1] ____sys_sendmsg+0x523/0x860
[ 454.220184][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 454.220193][ C1] ? __fget_files+0x2a/0x420
[ 454.220204][ C1] ? __fget_files+0x2a/0x420
[ 454.220218][ C1] __sys_sendmsg+0x271/0x360
[ 454.220232][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 454.220270][ C1] ? do_syscall_64+0xb6/0x230
[ 454.220284][ C1] do_syscall_64+0xf3/0x230
[ 454.220296][ C1] ? clear_bhb_loop+0x45/0xa0
[ 454.220308][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.220318][ C1] RIP: 0033:0x7fd600b4fc69
[ 454.220329][ 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
[ 454.220337][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 454.220349][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 454.220356][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 454.220362][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 454.220369][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 454.220374][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 454.220390][ C1]
[ 454.991091][ 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()
[ 455.005058][ C1] CPU: 1 UID: 0 PID: 14599 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 455.005079][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 455.005088][ C1] Call Trace:
[ 455.005096][ C1]
[ 455.005102][ C1] dump_stack_lvl+0x241/0x360
[ 455.005130][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 455.005150][ C1] ? __pfx__printk+0x10/0x10
[ 455.005171][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 455.005200][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 455.005217][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 455.005242][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 455.005264][ C1] dccp_rcv_established+0x1bb/0x320
[ 455.005289][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 455.005303][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 455.005323][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 455.005336][ C1] __sk_receive_skb+0x82b/0x8b0
[ 455.005359][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 455.005373][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 455.005392][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 455.005413][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 455.005431][ C1] ip_local_deliver_finish+0x343/0x600
[ 455.005455][ C1] NF_HOOK+0x3a0/0x450
[ 455.005475][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 455.005493][ C1] ? NF_HOOK+0x9e/0x450
[ 455.005509][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 455.005534][ C1] ? ip_rcv_finish+0x409/0x560
[ 455.005555][ C1] NF_HOOK+0x3a0/0x450
[ 455.005573][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 455.005590][ C1] ? NF_HOOK+0x9e/0x450
[ 455.005607][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 455.005622][ C1] ? ip_rcv_core+0x80c/0xd20
[ 455.005648][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 455.005666][ C1] __netif_receive_skb+0x2c9/0x670
[ 455.005690][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 455.005730][ C1] process_backlog+0x664/0x15c0
[ 455.005753][ C1] ? process_backlog+0x33d/0x15c0
[ 455.005778][ C1] ? __pfx_process_backlog+0x10/0x10
[ 455.005805][ C1] __napi_poll+0xcb/0x480
[ 455.005830][ C1] net_rx_action+0x89d/0x1240
[ 455.005854][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 455.005869][ C1] ? sched_clock+0x4a/0x70
[ 455.005890][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 455.005899][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 455.005917][ C1] handle_softirqs+0x2d6/0x9b0
[ 455.005931][ C1] ? do_softirq+0x11f/0x1e0
[ 455.005942][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 455.005953][ C1] ? rcu_is_watching+0x15/0xb0
[ 455.005967][ C1] do_softirq+0x11f/0x1e0
[ 455.005976][ C1]
[ 455.005979][ C1]
[ 455.005983][ C1] ? __pfx_do_softirq+0x10/0x10
[ 455.005991][ C1] ? rcu_is_watching+0x15/0xb0
[ 455.006004][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 455.006015][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 455.006026][ C1] __local_bh_enable_ip+0x1be/0x200
[ 455.006036][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 455.006046][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 455.006058][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 455.006068][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 455.006079][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 455.006088][ C1] ? __alloc_skb+0x1f2/0x480
[ 455.006096][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 455.006113][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 455.006125][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 455.006143][ C1] ? __lock_acquire+0xad5/0xd80
[ 455.006154][ C1] ? __lock_acquire+0xad5/0xd80
[ 455.006172][ C1] ? ip_finish_output2+0x947/0x12e0
[ 455.006185][ C1] ip_finish_output2+0xcd2/0x12e0
[ 455.006196][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 455.006210][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 455.006220][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 455.006228][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 455.006238][ C1] ? __ip_finish_output+0x34c/0x400
[ 455.006250][ C1] __ip_queue_xmit+0x1042/0x1960
[ 455.006261][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 455.006270][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 455.006281][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 455.006299][ C1] dccp_xmit_packet+0x35a/0x600
[ 455.006311][ C1] dccp_write_xmit+0x138/0x220
[ 455.006323][ C1] dccp_sendmsg+0x76b/0xbb0
[ 455.006339][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 455.006349][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 455.006361][ C1] ? inet_sendmsg+0x330/0x390
[ 455.006374][ C1] __sock_sendmsg+0x1a6/0x270
[ 455.006388][ C1] ____sys_sendmsg+0x523/0x860
[ 455.006403][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 455.006411][ C1] ? __fget_files+0x2a/0x420
[ 455.006422][ C1] ? __fget_files+0x2a/0x420
[ 455.006435][ C1] __sys_sendmsg+0x271/0x360
[ 455.006448][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 455.006486][ C1] ? do_syscall_64+0xb6/0x230
[ 455.006499][ C1] do_syscall_64+0xf3/0x230
[ 455.006510][ C1] ? clear_bhb_loop+0x45/0xa0
[ 455.006522][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.006532][ C1] RIP: 0033:0x7fd600b4fc69
[ 455.006542][ 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
[ 455.006550][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 455.006561][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 455.006567][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 455.006573][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 455.006579][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 455.006585][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 455.006600][ C1]
[ 455.620567][ 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()
[ 455.634653][ C0] CPU: 0 UID: 0 PID: 14611 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 455.634676][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 455.634686][ C0] Call Trace:
[ 455.634693][ C0]
[ 455.634701][ C0] dump_stack_lvl+0x241/0x360
[ 455.634732][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 455.634745][ C0] ? __pfx__printk+0x10/0x10
[ 455.634759][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 455.634779][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 455.634791][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 455.634808][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 455.634822][ C0] dccp_rcv_established+0x1bb/0x320
[ 455.634840][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 455.634849][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 455.634863][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 455.634871][ C0] __sk_receive_skb+0x82b/0x8b0
[ 455.634889][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 455.634898][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 455.634910][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 455.634924][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 455.634936][ C0] ip_local_deliver_finish+0x343/0x600
[ 455.634952][ C0] NF_HOOK+0x3a0/0x450
[ 455.634965][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 455.634977][ C0] ? NF_HOOK+0x9e/0x450
[ 455.634987][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 455.635004][ C0] ? ip_rcv_finish+0x409/0x560
[ 455.635017][ C0] NF_HOOK+0x3a0/0x450
[ 455.635030][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 455.635041][ C0] ? NF_HOOK+0x9e/0x450
[ 455.635052][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 455.635062][ C0] ? ip_rcv_core+0x80c/0xd20
[ 455.635079][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 455.635091][ C0] __netif_receive_skb+0x2c9/0x670
[ 455.635107][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 455.635130][ C0] process_backlog+0x664/0x15c0
[ 455.635145][ C0] ? process_backlog+0x33d/0x15c0
[ 455.635162][ C0] ? __pfx_process_backlog+0x10/0x10
[ 455.635180][ C0] __napi_poll+0xcb/0x480
[ 455.635194][ C0] net_rx_action+0x89d/0x1240
[ 455.635219][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 455.635233][ C0] ? sched_clock+0x4a/0x70
[ 455.635254][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 455.635263][ C0] ? sched_clock_cpu+0x77/0x4d0
[ 455.635280][ C0] handle_softirqs+0x2d6/0x9b0
[ 455.635295][ C0] ? do_softirq+0x11f/0x1e0
[ 455.635306][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 455.635317][ C0] ? rcu_is_watching+0x15/0xb0
[ 455.635337][ C0] do_softirq+0x11f/0x1e0
[ 455.635346][ C0]
[ 455.635349][ C0]
[ 455.635353][ C0] ? __pfx_do_softirq+0x10/0x10
[ 455.635361][ C0] ? rcu_is_watching+0x15/0xb0
[ 455.635374][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 455.635385][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 455.635396][ C0] __local_bh_enable_ip+0x1be/0x200
[ 455.635406][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 455.635416][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 455.635428][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 455.635438][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 455.635449][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 455.635459][ C0] ? __alloc_skb+0x1f2/0x480
[ 455.635470][ C0] ? alloc_skb_with_frags+0xc3/0x830
[ 455.635487][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 455.635499][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 455.635517][ C0] ? __lock_acquire+0xad5/0xd80
[ 455.635528][ C0] ? __lock_acquire+0xad5/0xd80
[ 455.635547][ C0] ? ip_finish_output2+0x947/0x12e0
[ 455.635560][ C0] ip_finish_output2+0xcd2/0x12e0
[ 455.635571][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 455.635587][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 455.635597][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 455.635605][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 455.635615][ C0] ? __ip_finish_output+0x34c/0x400
[ 455.635627][ C0] __ip_queue_xmit+0x1042/0x1960
[ 455.635638][ C0] ? dccp_v4_send_check+0x2d3/0x580
[ 455.635647][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 455.635659][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 455.635677][ C0] dccp_xmit_packet+0x35a/0x600
[ 455.635689][ C0] dccp_write_xmit+0x138/0x220
[ 455.635701][ C0] dccp_sendmsg+0x76b/0xbb0
[ 455.635717][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 455.635732][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 455.635754][ C0] ? inet_sendmsg+0x330/0x390
[ 455.635777][ C0] __sock_sendmsg+0x1a6/0x270
[ 455.635805][ C0] ____sys_sendmsg+0x523/0x860
[ 455.635832][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 455.635843][ C0] ? __fget_files+0x2a/0x420
[ 455.635854][ C0] ? __fget_files+0x2a/0x420
[ 455.635867][ C0] __sys_sendmsg+0x271/0x360
[ 455.635881][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 455.635918][ C0] ? do_syscall_64+0xb6/0x230
[ 455.635932][ C0] do_syscall_64+0xf3/0x230
[ 455.635943][ C0] ? clear_bhb_loop+0x45/0xa0
[ 455.635955][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.635965][ C0] RIP: 0033:0x7fd600b4fc69
[ 455.635975][ 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
[ 455.635982][ C0] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 455.635994][ C0] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 455.636001][ C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 455.636007][ C0] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 455.636013][ C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 455.636019][ C0] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 455.636034][ C0]
[ 456.388730][ 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()
[ 456.402682][ C1] CPU: 1 UID: 0 PID: 14651 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 456.402697][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 456.402703][ C1] Call Trace:
[ 456.402710][ C1]
[ 456.402715][ C1] dump_stack_lvl+0x241/0x360
[ 456.402735][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 456.402748][ C1] ? __pfx__printk+0x10/0x10
[ 456.402762][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 456.402782][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 456.402794][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 456.402811][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 456.402825][ C1] dccp_rcv_established+0x1bb/0x320
[ 456.402842][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 456.402852][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 456.402865][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 456.402873][ C1] __sk_receive_skb+0x82b/0x8b0
[ 456.402890][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 456.402899][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 456.402912][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 456.402926][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 456.402938][ C1] ip_local_deliver_finish+0x343/0x600
[ 456.402954][ C1] NF_HOOK+0x3a0/0x450
[ 456.402967][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 456.402978][ C1] ? NF_HOOK+0x9e/0x450
[ 456.402989][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 456.403006][ C1] ? ip_rcv_finish+0x409/0x560
[ 456.403019][ C1] NF_HOOK+0x3a0/0x450
[ 456.403032][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 456.403051][ C1] ? NF_HOOK+0x9e/0x450
[ 456.403071][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 456.403090][ C1] ? ip_rcv_core+0x80c/0xd20
[ 456.403124][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 456.403144][ C1] __netif_receive_skb+0x2c9/0x670
[ 456.403161][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 456.403183][ C1] process_backlog+0x664/0x15c0
[ 456.403199][ C1] ? process_backlog+0x33d/0x15c0
[ 456.403216][ C1] ? __pfx_process_backlog+0x10/0x10
[ 456.403234][ C1] __napi_poll+0xcb/0x480
[ 456.403255][ C1] net_rx_action+0x89d/0x1240
[ 456.403280][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 456.403295][ C1] ? sched_clock+0x4a/0x70
[ 456.403316][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 456.403325][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 456.403344][ C1] handle_softirqs+0x2d6/0x9b0
[ 456.403358][ C1] ? do_softirq+0x11f/0x1e0
[ 456.403369][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 456.403380][ C1] ? rcu_is_watching+0x15/0xb0
[ 456.403394][ C1] do_softirq+0x11f/0x1e0
[ 456.403403][ C1]
[ 456.403406][ C1]
[ 456.403410][ C1] ? __pfx_do_softirq+0x10/0x10
[ 456.403421][ C1] ? rcu_is_watching+0x15/0xb0
[ 456.403434][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 456.403446][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 456.403457][ C1] __local_bh_enable_ip+0x1be/0x200
[ 456.403468][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 456.403477][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 456.403489][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 456.403501][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 456.403512][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 456.403522][ C1] ? __alloc_skb+0x1f2/0x480
[ 456.403530][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 456.403546][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 456.403559][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 456.403576][ C1] ? __lock_acquire+0xad5/0xd80
[ 456.403588][ C1] ? __lock_acquire+0xad5/0xd80
[ 456.403606][ C1] ? ip_finish_output2+0x947/0x12e0
[ 456.403619][ C1] ip_finish_output2+0xcd2/0x12e0
[ 456.403630][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 456.403644][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 456.403654][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 456.403663][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 456.403673][ C1] ? __ip_finish_output+0x34c/0x400
[ 456.403685][ C1] __ip_queue_xmit+0x1042/0x1960
[ 456.403696][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 456.403705][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 456.403717][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 456.403734][ C1] dccp_xmit_packet+0x35a/0x600
[ 456.403746][ C1] dccp_write_xmit+0x138/0x220
[ 456.403758][ C1] dccp_sendmsg+0x76b/0xbb0
[ 456.403774][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 456.403784][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 456.403796][ C1] ? inet_sendmsg+0x330/0x390
[ 456.403809][ C1] __sock_sendmsg+0x1a6/0x270
[ 456.403823][ C1] ____sys_sendmsg+0x523/0x860
[ 456.403837][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 456.403846][ C1] ? __fget_files+0x2a/0x420
[ 456.403856][ C1] ? __fget_files+0x2a/0x420
[ 456.403869][ C1] __sys_sendmsg+0x271/0x360
[ 456.403882][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 456.403919][ C1] ? do_syscall_64+0xb6/0x230
[ 456.403933][ C1] do_syscall_64+0xf3/0x230
[ 456.403944][ C1] ? clear_bhb_loop+0x45/0xa0
[ 456.403956][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 456.403965][ C1] RIP: 0033:0x7fd600b4fc69
[ 456.403976][ 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
[ 456.403983][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 456.403995][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 456.404001][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 456.404007][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 456.404013][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 456.404019][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 456.404034][ C1]
[ 456.963809][T14650] net_ratelimit: 28 callbacks suppressed
[ 456.963826][T14650] dccp_close: ABORT with 24 bytes unread
[ 456.994371][T14654] dccp_close: ABORT with 24 bytes unread
[ 457.021861][T14658] dccp_close: ABORT with 24 bytes unread
[ 457.042457][ 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()
[ 457.056544][ C1] CPU: 1 UID: 0 PID: 14663 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 457.056564][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 457.056572][ C1] Call Trace:
[ 457.056580][ C1]
[ 457.056587][ C1] dump_stack_lvl+0x241/0x360
[ 457.056613][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 457.056633][ C1] ? __pfx__printk+0x10/0x10
[ 457.056654][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 457.056683][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 457.056700][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 457.056725][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 457.056747][ C1] dccp_rcv_established+0x1bb/0x320
[ 457.056771][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 457.056785][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 457.056805][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 457.056817][ C1] __sk_receive_skb+0x82b/0x8b0
[ 457.056841][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 457.056855][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 457.056874][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 457.056894][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 457.056912][ C1] ip_local_deliver_finish+0x343/0x600
[ 457.056936][ C1] NF_HOOK+0x3a0/0x450
[ 457.056955][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 457.056972][ C1] ? NF_HOOK+0x9e/0x450
[ 457.056989][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 457.057014][ C1] ? ip_rcv_finish+0x409/0x560
[ 457.057034][ C1] NF_HOOK+0x3a0/0x450
[ 457.057052][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 457.057069][ C1] ? NF_HOOK+0x9e/0x450
[ 457.057085][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 457.057101][ C1] ? ip_rcv_core+0x80c/0xd20
[ 457.057127][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 457.057145][ C1] __netif_receive_skb+0x2c9/0x670
[ 457.057169][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 457.057201][ C1] process_backlog+0x664/0x15c0
[ 457.057224][ C1] ? process_backlog+0x33d/0x15c0
[ 457.057250][ C1] ? __pfx_process_backlog+0x10/0x10
[ 457.057277][ C1] ? xdp_do_check_flushed+0x217/0x240
[ 457.057302][ C1] __napi_poll+0xcb/0x480
[ 457.057316][ C1] net_rx_action+0x89d/0x1240
[ 457.057340][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 457.057355][ C1] ? sched_clock+0x4a/0x70
[ 457.057376][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 457.057393][ C1] handle_softirqs+0x2d6/0x9b0
[ 457.057412][ C1] ? do_softirq+0x11f/0x1e0
[ 457.057423][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 457.057437][ C1] do_softirq+0x11f/0x1e0
[ 457.057446][ C1]
[ 457.057449][ C1]
[ 457.057453][ C1] ? __pfx_do_softirq+0x10/0x10
[ 457.057461][ C1] ? rcu_is_watching+0x15/0xb0
[ 457.057475][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 457.057487][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 457.057497][ C1] __local_bh_enable_ip+0x1be/0x200
[ 457.057512][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 457.057522][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 457.057534][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 457.057544][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 457.057555][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 457.057565][ C1] ? __alloc_skb+0x1f2/0x480
[ 457.057572][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 457.057589][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 457.057601][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 457.057619][ C1] ? __lock_acquire+0xad5/0xd80
[ 457.057630][ C1] ? __lock_acquire+0xad5/0xd80
[ 457.057649][ C1] ? ip_finish_output2+0x947/0x12e0
[ 457.057662][ C1] ip_finish_output2+0xcd2/0x12e0
[ 457.057673][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 457.057687][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 457.057697][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 457.057705][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 457.057715][ C1] ? __ip_finish_output+0x34c/0x400
[ 457.057727][ C1] __ip_queue_xmit+0x1042/0x1960
[ 457.057738][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 457.057747][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 457.057759][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 457.057776][ C1] dccp_xmit_packet+0x35a/0x600
[ 457.057789][ C1] dccp_write_xmit+0x138/0x220
[ 457.057801][ C1] dccp_sendmsg+0x76b/0xbb0
[ 457.057816][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 457.057827][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 457.057839][ C1] ? inet_sendmsg+0x330/0x390
[ 457.057851][ C1] __sock_sendmsg+0x1a6/0x270
[ 457.057866][ C1] ____sys_sendmsg+0x523/0x860
[ 457.057880][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 457.057889][ C1] ? __fget_files+0x2a/0x420
[ 457.057900][ C1] ? __fget_files+0x2a/0x420
[ 457.057912][ C1] __sys_sendmsg+0x271/0x360
[ 457.057925][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 457.057962][ C1] ? do_syscall_64+0xb6/0x230
[ 457.057975][ C1] do_syscall_64+0xf3/0x230
[ 457.057987][ C1] ? clear_bhb_loop+0x45/0xa0
[ 457.057998][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.058008][ C1] RIP: 0033:0x7fd600b4fc69
[ 457.058018][ 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
[ 457.058026][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 457.058037][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 457.058044][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 457.058050][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 457.058056][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 457.058062][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 457.058077][ C1]
[ 457.610508][T14663] dccp_close: ABORT with 24 bytes unread
[ 457.636470][T14666] dccp_close: ABORT with 24 bytes unread
[ 457.661406][T14670] dccp_close: ABORT with 24 bytes unread
[ 457.687057][T14674] dccp_close: ABORT with 24 bytes unread
[ 457.713464][T14678] dccp_close: ABORT with 24 bytes unread
[ 457.739964][T14682] dccp_close: ABORT with 24 bytes unread
[ 457.762185][ 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()
[ 457.776310][ C1] CPU: 1 UID: 0 PID: 14687 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 457.776326][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 457.776332][ C1] Call Trace:
[ 457.776339][ C1]
[ 457.776344][ C1] dump_stack_lvl+0x241/0x360
[ 457.776364][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 457.776380][ C1] ? __pfx__printk+0x10/0x10
[ 457.776396][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 457.776416][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 457.776429][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 457.776446][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 457.776460][ C1] dccp_rcv_established+0x1bb/0x320
[ 457.776477][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 457.776487][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 457.776500][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 457.776509][ C1] __sk_receive_skb+0x82b/0x8b0
[ 457.776525][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 457.776534][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 457.776547][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 457.776561][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 457.776573][ C1] ip_local_deliver_finish+0x343/0x600
[ 457.776589][ C1] NF_HOOK+0x3a0/0x450
[ 457.776602][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 457.776613][ C1] ? NF_HOOK+0x9e/0x450
[ 457.776624][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 457.776640][ C1] ? ip_rcv_finish+0x409/0x560
[ 457.776654][ C1] NF_HOOK+0x3a0/0x450
[ 457.776666][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 457.776677][ C1] ? NF_HOOK+0x9e/0x450
[ 457.776688][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 457.776698][ C1] ? ip_rcv_core+0x80c/0xd20
[ 457.776715][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 457.776727][ C1] __netif_receive_skb+0x2c9/0x670
[ 457.776744][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 457.776766][ C1] process_backlog+0x664/0x15c0
[ 457.776781][ C1] ? process_backlog+0x33d/0x15c0
[ 457.776798][ C1] ? __pfx_process_backlog+0x10/0x10
[ 457.776810][ C1] ? __lock_acquire+0xad5/0xd80
[ 457.776822][ C1] ? do_raw_spin_lock+0x151/0x370
[ 457.776836][ C1] __napi_poll+0xcb/0x480
[ 457.776854][ C1] net_rx_action+0x89d/0x1240
[ 457.776878][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 457.776893][ C1] ? sched_clock+0x4a/0x70
[ 457.776913][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 457.776922][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 457.776933][ C1] ? ktime_get+0x1dc/0x200
[ 457.776952][ C1] handle_softirqs+0x2d6/0x9b0
[ 457.776966][ C1] ? do_softirq+0x11f/0x1e0
[ 457.776977][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 457.776991][ C1] do_softirq+0x11f/0x1e0
[ 457.777000][ C1]
[ 457.777004][ C1]
[ 457.777008][ C1] ? __pfx_do_softirq+0x10/0x10
[ 457.777016][ C1] ? rcu_is_watching+0x15/0xb0
[ 457.777030][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 457.777041][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 457.777052][ C1] __local_bh_enable_ip+0x1be/0x200
[ 457.777062][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 457.777072][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 457.777084][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 457.777094][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 457.777105][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 457.777114][ C1] ? __alloc_skb+0x1f2/0x480
[ 457.777122][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 457.777242][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 457.777256][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 457.777274][ C1] ? __lock_acquire+0xad5/0xd80
[ 457.777286][ C1] ? __lock_acquire+0xad5/0xd80
[ 457.777305][ C1] ? ip_finish_output2+0x947/0x12e0
[ 457.777318][ C1] ip_finish_output2+0xcd2/0x12e0
[ 457.777331][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 457.777345][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 457.777355][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 457.777363][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 457.777373][ C1] ? __ip_finish_output+0x34c/0x400
[ 457.777385][ C1] __ip_queue_xmit+0x1042/0x1960
[ 457.777396][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 457.777405][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 457.777419][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 457.777443][ C1] dccp_xmit_packet+0x35a/0x600
[ 457.777455][ C1] dccp_write_xmit+0x138/0x220
[ 457.777467][ C1] dccp_sendmsg+0x76b/0xbb0
[ 457.777482][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 457.777493][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 457.777505][ C1] ? inet_sendmsg+0x330/0x390
[ 457.777518][ C1] __sock_sendmsg+0x1a6/0x270
[ 457.777532][ C1] ____sys_sendmsg+0x523/0x860
[ 457.777547][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 457.777556][ C1] ? __fget_files+0x2a/0x420
[ 457.777567][ C1] ? __fget_files+0x2a/0x420
[ 457.777580][ C1] __sys_sendmsg+0x271/0x360
[ 457.777593][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 457.777630][ C1] ? do_syscall_64+0xb6/0x230
[ 457.777644][ C1] do_syscall_64+0xf3/0x230
[ 457.777655][ C1] ? clear_bhb_loop+0x45/0xa0
[ 457.777667][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.777677][ C1] RIP: 0033:0x7fd600b4fc69
[ 457.777688][ 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
[ 457.777695][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 457.777707][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 457.777714][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 457.777720][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 457.777726][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 457.777732][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 457.777747][ C1]
[ 458.347357][T14688] dccp_close: ABORT with 24 bytes unread
[ 458.366568][ 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()
[ 458.380766][ C1] CPU: 1 UID: 0 PID: 14691 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 458.380781][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 458.380787][ C1] Call Trace:
[ 458.380793][ C1]
[ 458.380797][ C1] dump_stack_lvl+0x241/0x360
[ 458.380817][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 458.380830][ C1] ? __pfx__printk+0x10/0x10
[ 458.380844][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 458.380865][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 458.380877][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 458.380894][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 458.380908][ C1] dccp_rcv_established+0x1bb/0x320
[ 458.380925][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 458.380934][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 458.380948][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 458.380956][ C1] __sk_receive_skb+0x82b/0x8b0
[ 458.380973][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 458.380983][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 458.380995][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 458.381009][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 458.381021][ C1] ip_local_deliver_finish+0x343/0x600
[ 458.381037][ C1] NF_HOOK+0x3a0/0x450
[ 458.381050][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 458.381062][ C1] ? NF_HOOK+0x9e/0x450
[ 458.381073][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 458.381090][ C1] ? ip_rcv_finish+0x409/0x560
[ 458.381103][ C1] NF_HOOK+0x3a0/0x450
[ 458.381120][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 458.381132][ C1] ? NF_HOOK+0x9e/0x450
[ 458.381142][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 458.381152][ C1] ? ip_rcv_core+0x80c/0xd20
[ 458.381170][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 458.381182][ C1] __netif_receive_skb+0x2c9/0x670
[ 458.381198][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 458.381221][ C1] process_backlog+0x664/0x15c0
[ 458.381236][ C1] ? process_backlog+0x33d/0x15c0
[ 458.381253][ C1] ? __pfx_process_backlog+0x10/0x10
[ 458.381268][ C1] ? xdp_do_check_flushed+0x217/0x240
[ 458.381284][ C1] __napi_poll+0xcb/0x480
[ 458.381298][ C1] net_rx_action+0x89d/0x1240
[ 458.381322][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 458.381337][ C1] ? sched_clock+0x4a/0x70
[ 458.381358][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 458.381368][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 458.381386][ C1] handle_softirqs+0x2d6/0x9b0
[ 458.381401][ C1] ? do_softirq+0x11f/0x1e0
[ 458.381411][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 458.381422][ C1] ? rcu_is_watching+0x15/0xb0
[ 458.381436][ C1] do_softirq+0x11f/0x1e0
[ 458.381445][ C1]
[ 458.381448][ C1]
[ 458.381452][ C1] ? __pfx_do_softirq+0x10/0x10
[ 458.381460][ C1] ? rcu_is_watching+0x15/0xb0
[ 458.381473][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 458.381484][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 458.381496][ C1] __local_bh_enable_ip+0x1be/0x200
[ 458.381506][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 458.381516][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 458.381528][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 458.381537][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 458.381550][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 458.381566][ C1] ? __alloc_skb+0x1f2/0x480
[ 458.381573][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 458.381590][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 458.381602][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 458.381625][ C1] ? __lock_acquire+0xad5/0xd80
[ 458.381637][ C1] ? __lock_acquire+0xad5/0xd80
[ 458.381655][ C1] ? ip_finish_output2+0x947/0x12e0
[ 458.381668][ C1] ip_finish_output2+0xcd2/0x12e0
[ 458.381680][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 458.381694][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 458.381704][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 458.381711][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 458.381722][ C1] ? __ip_finish_output+0x34c/0x400
[ 458.381733][ C1] __ip_queue_xmit+0x1042/0x1960
[ 458.381744][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 458.381753][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 458.381765][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 458.381783][ C1] dccp_xmit_packet+0x35a/0x600
[ 458.381795][ C1] dccp_write_xmit+0x138/0x220
[ 458.381807][ C1] dccp_sendmsg+0x76b/0xbb0
[ 458.381822][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 458.381832][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 458.381844][ C1] ? inet_sendmsg+0x330/0x390
[ 458.381856][ C1] __sock_sendmsg+0x1a6/0x270
[ 458.381871][ C1] ____sys_sendmsg+0x523/0x860
[ 458.381886][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 458.381894][ C1] ? __fget_files+0x2a/0x420
[ 458.381905][ C1] ? __fget_files+0x2a/0x420
[ 458.381918][ C1] __sys_sendmsg+0x271/0x360
[ 458.381931][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 458.381968][ C1] ? do_syscall_64+0xb6/0x230
[ 458.381982][ C1] do_syscall_64+0xf3/0x230
[ 458.381994][ C1] ? clear_bhb_loop+0x45/0xa0
[ 458.382006][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.382015][ C1] RIP: 0033:0x7fd600b4fc69
[ 458.382026][ 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
[ 458.382033][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 458.382045][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 458.382051][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 458.382057][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 458.382063][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 458.382069][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 458.382084][ C1]
[ 458.960891][ 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()
[ 458.974945][ C0] CPU: 0 UID: 0 PID: 14695 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 458.974960][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 458.974967][ C0] Call Trace:
[ 458.974973][ C0]
[ 458.974978][ C0] dump_stack_lvl+0x241/0x360
[ 458.974998][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 458.975012][ C0] ? __pfx__printk+0x10/0x10
[ 458.975036][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 458.975072][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 458.975095][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 458.975123][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 458.975138][ C0] dccp_rcv_established+0x1bb/0x320
[ 458.975156][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 458.975165][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 458.975179][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 458.975187][ C0] __sk_receive_skb+0x82b/0x8b0
[ 458.975204][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 458.975214][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 458.975226][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 458.975240][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 458.975252][ C0] ip_local_deliver_finish+0x343/0x600
[ 458.975268][ C0] NF_HOOK+0x3a0/0x450
[ 458.975281][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 458.975292][ C0] ? NF_HOOK+0x9e/0x450
[ 458.975311][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 458.975328][ C0] ? ip_rcv_finish+0x409/0x560
[ 458.975342][ C0] NF_HOOK+0x3a0/0x450
[ 458.975354][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 458.975366][ C0] ? NF_HOOK+0x9e/0x450
[ 458.975376][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 458.975387][ C0] ? ip_rcv_core+0x80c/0xd20
[ 458.975404][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 458.975416][ C0] __netif_receive_skb+0x2c9/0x670
[ 458.975433][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 458.975456][ C0] process_backlog+0x664/0x15c0
[ 458.975471][ C0] ? process_backlog+0x33d/0x15c0
[ 458.975488][ C0] ? __pfx_process_backlog+0x10/0x10
[ 458.975499][ C0] ? __lock_acquire+0xad5/0xd80
[ 458.975511][ C0] ? do_raw_spin_lock+0x151/0x370
[ 458.975525][ C0] __napi_poll+0xcb/0x480
[ 458.975539][ C0] net_rx_action+0x89d/0x1240
[ 458.975563][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 458.975578][ C0] ? sched_clock+0x4a/0x70
[ 458.975599][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 458.975608][ C0] ? sched_clock_cpu+0x77/0x4d0
[ 458.975618][ C0] ? ktime_get+0x1dc/0x200
[ 458.975636][ C0] handle_softirqs+0x2d6/0x9b0
[ 458.975651][ C0] ? do_softirq+0x11f/0x1e0
[ 458.975662][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 458.975676][ C0] do_softirq+0x11f/0x1e0
[ 458.975685][ C0]
[ 458.975688][ C0]
[ 458.975692][ C0] ? __pfx_do_softirq+0x10/0x10
[ 458.975700][ C0] ? rcu_is_watching+0x15/0xb0
[ 458.975714][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 458.975725][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 458.975736][ C0] __local_bh_enable_ip+0x1be/0x200
[ 458.975746][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 458.975756][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 458.975768][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 458.975778][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 458.975789][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 458.975798][ C0] ? __alloc_skb+0x1f2/0x480
[ 458.975806][ C0] ? alloc_skb_with_frags+0xc3/0x830
[ 458.975822][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 458.975835][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 458.975852][ C0] ? __lock_acquire+0xad5/0xd80
[ 458.975863][ C0] ? __lock_acquire+0xad5/0xd80
[ 458.975882][ C0] ? ip_finish_output2+0x947/0x12e0
[ 458.975894][ C0] ip_finish_output2+0xcd2/0x12e0
[ 458.975906][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 458.975920][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 458.975930][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 458.975938][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 458.975948][ C0] ? __ip_finish_output+0x34c/0x400
[ 458.975960][ C0] __ip_queue_xmit+0x1042/0x1960
[ 458.975971][ C0] ? dccp_v4_send_check+0x2d3/0x580
[ 458.975980][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 458.975991][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 458.976009][ C0] dccp_xmit_packet+0x35a/0x600
[ 458.976021][ C0] dccp_write_xmit+0x138/0x220
[ 458.976033][ C0] dccp_sendmsg+0x76b/0xbb0
[ 458.976049][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 458.976061][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 458.976074][ C0] ? inet_sendmsg+0x330/0x390
[ 458.976086][ C0] __sock_sendmsg+0x1a6/0x270
[ 458.976100][ C0] ____sys_sendmsg+0x523/0x860
[ 458.976115][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 458.976124][ C0] ? __fget_files+0x2a/0x420
[ 458.976135][ C0] ? __fget_files+0x2a/0x420
[ 458.976159][ C0] __sys_sendmsg+0x271/0x360
[ 458.976184][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 458.976240][ C0] ? do_syscall_64+0xb6/0x230
[ 458.976255][ C0] do_syscall_64+0xf3/0x230
[ 458.976267][ C0] ? clear_bhb_loop+0x45/0xa0
[ 458.976279][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.976288][ C0] RIP: 0033:0x7fd600b4fc69
[ 458.976299][ 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
[ 458.976311][ C0] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 458.976323][ C0] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 458.976329][ C0] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 458.976335][ C0] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 458.976341][ C0] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 458.976347][ C0] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 458.976362][ C0]
[ 459.597450][ 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()
[ 459.611856][ C1] CPU: 1 UID: 0 PID: 14707 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 459.611883][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 459.611894][ C1] Call Trace:
[ 459.611901][ C1]
[ 459.611909][ C1] dump_stack_lvl+0x241/0x360
[ 459.611954][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 459.611981][ C1] ? __pfx__printk+0x10/0x10
[ 459.612009][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 459.612048][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 459.612072][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 459.612106][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 459.612135][ C1] dccp_rcv_established+0x1bb/0x320
[ 459.612169][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 459.612187][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 459.612213][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 459.612230][ C1] __sk_receive_skb+0x82b/0x8b0
[ 459.612261][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 459.612280][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 459.612305][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 459.612341][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 459.612366][ C1] ip_local_deliver_finish+0x343/0x600
[ 459.612399][ C1] NF_HOOK+0x3a0/0x450
[ 459.612424][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 459.612448][ C1] ? NF_HOOK+0x9e/0x450
[ 459.612470][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 459.612504][ C1] ? ip_rcv_finish+0x409/0x560
[ 459.612531][ C1] NF_HOOK+0x3a0/0x450
[ 459.612557][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 459.612618][ C1] ? NF_HOOK+0x9e/0x450
[ 459.612638][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 459.612658][ C1] ? ip_rcv_core+0x80c/0xd20
[ 459.612694][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 459.612718][ C1] __netif_receive_skb+0x2c9/0x670
[ 459.612750][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 459.612789][ C1] process_backlog+0x664/0x15c0
[ 459.612818][ C1] ? process_backlog+0x33d/0x15c0
[ 459.612854][ C1] ? __pfx_process_backlog+0x10/0x10
[ 459.612891][ C1] __napi_poll+0xcb/0x480
[ 459.612919][ C1] net_rx_action+0x89d/0x1240
[ 459.612971][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 459.612999][ C1] ? sched_clock+0x4a/0x70
[ 459.613036][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 459.613047][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 459.613065][ C1] handle_softirqs+0x2d6/0x9b0
[ 459.613079][ C1] ? do_softirq+0x11f/0x1e0
[ 459.613090][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 459.613101][ C1] ? rcu_is_watching+0x15/0xb0
[ 459.613115][ C1] do_softirq+0x11f/0x1e0
[ 459.613124][ C1]
[ 459.613127][ C1]
[ 459.613131][ C1] ? __pfx_do_softirq+0x10/0x10
[ 459.613139][ C1] ? rcu_is_watching+0x15/0xb0
[ 459.613152][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 459.613164][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 459.613175][ C1] __local_bh_enable_ip+0x1be/0x200
[ 459.613185][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 459.613198][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 459.613209][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 459.613219][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 459.613230][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 459.613240][ C1] ? __alloc_skb+0x1f2/0x480
[ 459.613247][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 459.613264][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 459.613276][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 459.613294][ C1] ? __lock_acquire+0xad5/0xd80
[ 459.613305][ C1] ? __lock_acquire+0xad5/0xd80
[ 459.613324][ C1] ? ip_finish_output2+0x947/0x12e0
[ 459.613337][ C1] ip_finish_output2+0xcd2/0x12e0
[ 459.613349][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 459.613362][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 459.613372][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 459.613380][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 459.613390][ C1] ? __ip_finish_output+0x34c/0x400
[ 459.613402][ C1] __ip_queue_xmit+0x1042/0x1960
[ 459.613413][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 459.613422][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 459.613434][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 459.613452][ C1] dccp_xmit_packet+0x35a/0x600
[ 459.613465][ C1] dccp_write_xmit+0x138/0x220
[ 459.613477][ C1] dccp_sendmsg+0x76b/0xbb0
[ 459.613492][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 459.613502][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 459.613515][ C1] ? inet_sendmsg+0x330/0x390
[ 459.613527][ C1] __sock_sendmsg+0x1a6/0x270
[ 459.613541][ C1] ____sys_sendmsg+0x523/0x860
[ 459.613556][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 459.613565][ C1] ? __fget_files+0x2a/0x420
[ 459.613576][ C1] ? __fget_files+0x2a/0x420
[ 459.613589][ C1] __sys_sendmsg+0x271/0x360
[ 459.613602][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 459.613640][ C1] ? do_syscall_64+0xb6/0x230
[ 459.613653][ C1] do_syscall_64+0xf3/0x230
[ 459.613665][ C1] ? clear_bhb_loop+0x45/0xa0
[ 459.613676][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.613686][ C1] RIP: 0033:0x7fd600b4fc69
[ 459.613696][ 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
[ 459.613704][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 459.613715][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 459.613722][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 459.613728][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 459.613734][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 459.613740][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 459.613755][ C1]
[ 460.191240][ 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()
[ 460.205191][ C1] CPU: 1 UID: 0 PID: 14711 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 460.205207][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 460.205213][ C1] Call Trace:
[ 460.205220][ C1]
[ 460.205225][ C1] dump_stack_lvl+0x241/0x360
[ 460.205245][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 460.205259][ C1] ? __pfx__printk+0x10/0x10
[ 460.205272][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 460.205292][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 460.205304][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 460.205321][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 460.205336][ C1] dccp_rcv_established+0x1bb/0x320
[ 460.205352][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 460.205362][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 460.205376][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 460.205385][ C1] __sk_receive_skb+0x82b/0x8b0
[ 460.205401][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 460.205411][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 460.205423][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 460.205437][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 460.205449][ C1] ip_local_deliver_finish+0x343/0x600
[ 460.205466][ C1] NF_HOOK+0x3a0/0x450
[ 460.205479][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 460.205490][ C1] ? NF_HOOK+0x9e/0x450
[ 460.205501][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 460.205518][ C1] ? ip_rcv_finish+0x409/0x560
[ 460.205532][ C1] NF_HOOK+0x3a0/0x450
[ 460.205544][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 460.205555][ C1] ? NF_HOOK+0x9e/0x450
[ 460.205566][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 460.205576][ C1] ? ip_rcv_core+0x80c/0xd20
[ 460.205594][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 460.205606][ C1] __netif_receive_skb+0x2c9/0x670
[ 460.205622][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 460.205644][ C1] process_backlog+0x664/0x15c0
[ 460.205659][ C1] ? process_backlog+0x33d/0x15c0
[ 460.205676][ C1] ? __pfx_process_backlog+0x10/0x10
[ 460.205694][ C1] __napi_poll+0xcb/0x480
[ 460.205708][ C1] net_rx_action+0x89d/0x1240
[ 460.205732][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 460.205747][ C1] ? sched_clock+0x4a/0x70
[ 460.205768][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 460.205777][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 460.205795][ C1] handle_softirqs+0x2d6/0x9b0
[ 460.205809][ C1] ? do_softirq+0x11f/0x1e0
[ 460.205820][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 460.205831][ C1] ? rcu_is_watching+0x15/0xb0
[ 460.205845][ C1] do_softirq+0x11f/0x1e0
[ 460.205854][ C1]
[ 460.205857][ C1]
[ 460.205861][ C1] ? __pfx_do_softirq+0x10/0x10
[ 460.205869][ C1] ? rcu_is_watching+0x15/0xb0
[ 460.205882][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 460.205893][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 460.205905][ C1] __local_bh_enable_ip+0x1be/0x200
[ 460.205915][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 460.205925][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 460.205936][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 460.205952][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 460.205963][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 460.205973][ C1] ? __alloc_skb+0x1f2/0x480
[ 460.205980][ C1] ? alloc_skb_with_frags+0xc3/0x830
[ 460.205997][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 460.206009][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 460.206027][ C1] ? __lock_acquire+0xad5/0xd80
[ 460.206038][ C1] ? __lock_acquire+0xad5/0xd80
[ 460.206057][ C1] ? ip_finish_output2+0x947/0x12e0
[ 460.206070][ C1] ip_finish_output2+0xcd2/0x12e0
[ 460.206081][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 460.206095][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 460.206105][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 460.206113][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 460.206123][ C1] ? __ip_finish_output+0x34c/0x400
[ 460.206135][ C1] __ip_queue_xmit+0x1042/0x1960
[ 460.206146][ C1] ? dccp_v4_send_check+0x2d3/0x580
[ 460.206155][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 460.206167][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 460.206185][ C1] dccp_xmit_packet+0x35a/0x600
[ 460.206197][ C1] dccp_write_xmit+0x138/0x220
[ 460.206209][ C1] dccp_sendmsg+0x76b/0xbb0
[ 460.206224][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 460.206235][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 460.206247][ C1] ? inet_sendmsg+0x330/0x390
[ 460.206259][ C1] __sock_sendmsg+0x1a6/0x270
[ 460.206273][ C1] ____sys_sendmsg+0x523/0x860
[ 460.206288][ C1] ? __pfx_____sys_sendmsg+0x10/0x10
[ 460.206297][ C1] ? __fget_files+0x2a/0x420
[ 460.206308][ C1] ? __fget_files+0x2a/0x420
[ 460.206321][ C1] __sys_sendmsg+0x271/0x360
[ 460.206334][ C1] ? __pfx___sys_sendmsg+0x10/0x10
[ 460.206371][ C1] ? do_syscall_64+0xb6/0x230
[ 460.206385][ C1] do_syscall_64+0xf3/0x230
[ 460.206396][ C1] ? clear_bhb_loop+0x45/0xa0
[ 460.206408][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 460.206419][ C1] RIP: 0033:0x7fd600b4fc69
[ 460.206429][ 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
[ 460.206437][ C1] RSP: 002b:00007fd600ae0228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 460.206448][ C1] RAX: ffffffffffffffda RBX: 00007fd600bd331c RCX: 00007fd600b4fc69
[ 460.206454][ C1] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 460.206460][ C1] RBP: 00007fd600bd3318 R08: 0000000000000013 R09: 00007fd600ae06c0
[ 460.206466][ C1] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd600ba0038
[ 460.206472][ C1] R13: 00007fd600bd32e0 R14: f8e4cbe49e572d45 R15: 00007ffcbbb591f8
[ 460.206487][ C1]
[ 460.778521][ 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()
[ 460.792847][ C1] CPU: 1 UID: 0 PID: 14715 Comm: syz-executor372 Not tainted 6.15.0-rc1-syzkaller-00065-g3b07108ada81 #0 PREEMPT(full)
[ 460.792876][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 460.792885][ C1] Call Trace:
[ 460.792892][ C1]
[ 460.792899][ C1] dump_stack_lvl+0x241/0x360
[ 460.792926][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 460.792946][ C1] ? __pfx__printk+0x10/0x10
[ 460.792967][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 460.792996][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 460.793013][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 460.793038][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 460.793060][ C1] dccp_rcv_established+0x1bb/0x320
[ 460.793084][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 460.793098][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 460.793119][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 460.793131][ C1] __sk_receive_skb+0x82b/0x8b0
[ 460.793155][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 460.793169][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 460.793188][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 460.793208][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 460.793226][ C1] ip_local_deliver_finish+0x343/0x600
[ 460.793250][ C1] NF_HOOK+0x3a0/0x450
[ 460.793269][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 460.793287][ C1] ? NF_HOOK+0x9e/0x450
[ 460.793303][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 460.793328][ C1] ? ip_rcv_finish+0x409/0x560
[ 460.793348][ C1] NF_HOOK+0x3a0/0x450
[ 460.793368][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 460.793386][ C1] ? NF_HOOK+0x9e/0x450
[ 460.793402][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 460.793417][ C1] ? ip_rcv_core+0x80c/0xd20
[ 460.793444][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 460.793462][ C1] __netif_receive_skb+0x2c9/0x670
[ 460.793485][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 460.793518][ C1] process_backlog+0x664/0x15c0
[ 460.793541][ C1] ? process_backlog+0x33d/0x15c0
[ 460.793567][ C1] ? __pfx_process_backlog+0x10/0x10
[ 460.793590][ C1] ? xdp_do_check_flushed+0x217/0x240