Warning: Permanently added '10.128.1.160' (ED25519) to the list of known hosts.
2025/04/10 10:37:44 parsed 1 programs
2025/04/10 10:37:46 executed programs: 0
[ 95.438331][ T5897] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 95.451795][ T5900] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 95.520053][ T5903] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 95.546763][ T5902] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 95.599352][ T5909] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 95.611308][ T5901] dccp_close: ABORT with 2 bytes unread
[ 95.613476][ T5911] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 95.627161][ 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()
[ 95.641409][ C0] CPU: 0 UID: 0 PID: 5902 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 95.641430][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 95.641444][ C0] Call Trace:
[ 95.641451][ C0]
[ 95.641458][ C0] dump_stack_lvl+0x241/0x360
[ 95.641511][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 95.641535][ C0] ? __pfx__printk+0x10/0x10
[ 95.641557][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 95.641605][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 95.641626][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 95.641659][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 95.641687][ C0] dccp_rcv_established+0x1bb/0x320
[ 95.641717][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 95.641734][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 95.641756][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 95.641770][ C0] __sk_receive_skb+0x82b/0x8b0
[ 95.641798][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 95.641816][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 95.641838][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 95.641861][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 95.641884][ C0] ip_local_deliver_finish+0x343/0x600
[ 95.641915][ C0] NF_HOOK+0x3a0/0x450
[ 95.641940][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 95.641963][ C0] ? NF_HOOK+0x9e/0x450
[ 95.641985][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 95.642020][ C0] ? ip_rcv_finish+0x409/0x560
[ 95.642047][ C0] NF_HOOK+0x3a0/0x450
[ 95.642070][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 95.642092][ C0] ? NF_HOOK+0x9e/0x450
[ 95.642114][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 95.642134][ C0] ? ip_rcv_core+0x80c/0xd20
[ 95.642169][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 95.642191][ C0] __netif_receive_skb+0x2c9/0x670
[ 95.642221][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 95.642267][ C0] process_backlog+0x664/0x15c0
[ 95.642299][ C0] ? process_backlog+0x33d/0x15c0
[ 95.642335][ C0] ? __pfx_process_backlog+0x10/0x10
[ 95.642358][ C0] ? __lock_acquire+0xad5/0xd80
[ 95.642381][ C0] ? do_raw_spin_lock+0x151/0x370
[ 95.642410][ C0] __napi_poll+0xcb/0x480
[ 95.642436][ C0] net_rx_action+0x89d/0x1240
[ 95.642485][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 95.642513][ C0] ? sched_clock+0x4a/0x70
[ 95.642552][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 95.642569][ C0] ? sched_clock_cpu+0x77/0x4d0
[ 95.642596][ C0] ? ktime_get+0x1dc/0x200
[ 95.642629][ C0] handle_softirqs+0x2d6/0x9b0
[ 95.642656][ C0] ? do_softirq+0x11f/0x1e0
[ 95.642676][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 95.642699][ C0] do_softirq+0x11f/0x1e0
[ 95.642714][ C0]
[ 95.642720][ C0]
[ 95.642728][ C0] ? __pfx_do_softirq+0x10/0x10
[ 95.642742][ C0] ? rcu_is_watching+0x15/0xb0
[ 95.642766][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 95.642786][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 95.642806][ C0] __local_bh_enable_ip+0x1be/0x200
[ 95.642825][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 95.642845][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 95.642867][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 95.642886][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 95.642907][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 95.642926][ C0] ? stack_depot_save_flags+0x43f/0x940
[ 95.642966][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 95.642985][ C0] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 95.643004][ C0] ? dst_init+0xee/0x490
[ 95.643022][ C0] ? dst_alloc+0x14f/0x190
[ 95.643043][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 95.643062][ C0] ? dccp_xmit_packet+0x35a/0x600
[ 95.643079][ C0] ? dccp_write_xmit+0x138/0x220
[ 95.643095][ C0] ? dccp_sendmsg+0x76b/0xbb0
[ 95.643113][ C0] ? __sock_sendmsg+0x1a6/0x270
[ 95.643135][ C0] ? sock_write_iter+0x2d9/0x3f0
[ 95.643153][ C0] ? vfs_write+0x70f/0xd10
[ 95.643170][ C0] ? ksys_write+0x19d/0x2d0
[ 95.643187][ C0] ? do_syscall_64+0xf3/0x230
[ 95.643204][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.643226][ C0] ? __lock_acquire+0xad5/0xd80
[ 95.643247][ C0] ? __lock_acquire+0xad5/0xd80
[ 95.643283][ C0] ? ip_finish_output2+0x947/0x12e0
[ 95.643305][ C0] ip_finish_output2+0xcd2/0x12e0
[ 95.643327][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 95.643353][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 95.643373][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 95.643389][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 95.643408][ C0] ? __ip_finish_output+0x34c/0x400
[ 95.643432][ C0] __ip_queue_xmit+0x1042/0x1960
[ 95.643456][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 95.643478][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 95.643510][ C0] dccp_xmit_packet+0x35a/0x600
[ 95.643533][ C0] dccp_write_xmit+0x138/0x220
[ 95.643557][ C0] dccp_sendmsg+0x76b/0xbb0
[ 95.643595][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 95.643615][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 95.643638][ C0] ? inet_sendmsg+0x330/0x390
[ 95.643662][ C0] __sock_sendmsg+0x1a6/0x270
[ 95.643685][ C0] sock_write_iter+0x2d9/0x3f0
[ 95.643706][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 95.643733][ C0] ? bpf_lsm_file_permission+0x9/0x10
[ 95.643759][ C0] vfs_write+0x70f/0xd10
[ 95.643782][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 95.643801][ C0] ? __pfx_vfs_write+0x10/0x10
[ 95.643818][ C0] ? __fget_files+0x2a/0x420
[ 95.643835][ C0] ? __fget_files+0x2a/0x420
[ 95.643858][ C0] ksys_write+0x19d/0x2d0
[ 95.643880][ C0] ? __pfx_ksys_write+0x10/0x10
[ 95.643904][ C0] ? do_syscall_64+0xb6/0x230
[ 95.643926][ C0] do_syscall_64+0xf3/0x230
[ 95.643946][ C0] ? clear_bhb_loop+0x45/0xa0
[ 95.643965][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 95.643988][ C0] RIP: 0033:0x449cf9
[ 95.644008][ 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
[ 95.644022][ C0] RSP: 002b:00007f2e2c63c0e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 95.644041][ C0] RAX: ffffffffffffffda RBX: 00000000005380d8 RCX: 0000000000449cf9
[ 95.644052][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 95.644063][ C0] RBP: 00007f2e2c63c674 R08: 0000000000000000 R09: 0000000000000000
[ 95.644074][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 95.644085][ C0] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 95.644111][ C0]
[ 96.283690][ T5902] dccp_close: ABORT with 36 bytes unread
[ 96.313308][ T5918] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 96.334057][ T5919] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 96.350283][ T5921] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 96.407201][ T5913] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 96.484280][ T5937] dccp_close: ABORT with 36 bytes unread
[ 96.494210][ T5910] dccp_close: ABORT with 36 bytes unread
[ 96.502759][ 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()
[ 96.516850][ C1] CPU: 1 UID: 0 PID: 5934 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 96.516875][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 96.516886][ C1] Call Trace:
[ 96.516893][ C1]
[ 96.516900][ C1] dump_stack_lvl+0x241/0x360
[ 96.516933][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 96.516959][ C1] ? __pfx__printk+0x10/0x10
[ 96.516986][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 96.517025][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 96.517048][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 96.517083][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 96.517112][ C1] dccp_rcv_established+0x1bb/0x320
[ 96.517145][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 96.517164][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 96.517190][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 96.517207][ C1] __sk_receive_skb+0x82b/0x8b0
[ 96.517239][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 96.517258][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 96.517283][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 96.517310][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 96.517335][ C1] ip_local_deliver_finish+0x343/0x600
[ 96.517365][ C1] NF_HOOK+0x3a0/0x450
[ 96.517388][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 96.517411][ C1] ? NF_HOOK+0x9e/0x450
[ 96.517440][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 96.517475][ C1] ? ip_rcv_finish+0x409/0x560
[ 96.517502][ C1] NF_HOOK+0x3a0/0x450
[ 96.517526][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 96.517549][ C1] ? NF_HOOK+0x9e/0x450
[ 96.517571][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 96.517591][ C1] ? ip_rcv_core+0x80c/0xd20
[ 96.517629][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 96.517653][ C1] __netif_receive_skb+0x2c9/0x670
[ 96.517683][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 96.517728][ C1] process_backlog+0x664/0x15c0
[ 96.517760][ C1] ? process_backlog+0x33d/0x15c0
[ 96.517790][ C1] ? __pfx_process_backlog+0x10/0x10
[ 96.517812][ C1] ? __lock_acquire+0xad5/0xd80
[ 96.517835][ C1] ? do_raw_spin_lock+0x151/0x370
[ 96.517864][ C1] __napi_poll+0xcb/0x480
[ 96.517893][ C1] net_rx_action+0x89d/0x1240
[ 96.517935][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 96.517967][ C1] ? sched_clock+0x4a/0x70
[ 96.518002][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 96.518019][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 96.518038][ C1] ? ktime_get+0x1dc/0x200
[ 96.518074][ C1] handle_softirqs+0x2d6/0x9b0
[ 96.518103][ C1] ? do_softirq+0x11f/0x1e0
[ 96.518125][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 96.518152][ C1] do_softirq+0x11f/0x1e0
[ 96.518167][ C1]
[ 96.518172][ C1]
[ 96.518178][ C1] ? __pfx_do_softirq+0x10/0x10
[ 96.518194][ C1] ? rcu_is_watching+0x15/0xb0
[ 96.518220][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 96.518242][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 96.518261][ C1] __local_bh_enable_ip+0x1be/0x200
[ 96.518280][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 96.518302][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 96.518321][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 96.518340][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 96.518360][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 96.518395][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 96.518418][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 96.518445][ C1] ? __local_bh_enable_ip+0x168/0x200
[ 96.518464][ C1] ? rt_cache_route+0x259/0x2c0
[ 96.518480][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 96.518506][ C1] ? __lock_acquire+0xad5/0xd80
[ 96.518526][ C1] ? __lock_acquire+0xad5/0xd80
[ 96.518558][ C1] ? ip_finish_output2+0x947/0x12e0
[ 96.518580][ C1] ip_finish_output2+0xcd2/0x12e0
[ 96.518601][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 96.518628][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 96.518649][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 96.518664][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 96.518683][ C1] ? __ip_finish_output+0x34c/0x400
[ 96.518702][ C1] __ip_queue_xmit+0x1042/0x1960
[ 96.518726][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 96.518750][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 96.518785][ C1] dccp_xmit_packet+0x35a/0x600
[ 96.518810][ C1] dccp_write_xmit+0x138/0x220
[ 96.518831][ C1] dccp_sendmsg+0x76b/0xbb0
[ 96.518860][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 96.518878][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 96.518897][ C1] ? inet_sendmsg+0x330/0x390
[ 96.518919][ C1] __sock_sendmsg+0x1a6/0x270
[ 96.518947][ C1] sock_write_iter+0x2d9/0x3f0
[ 96.518971][ C1] ? __pfx_sock_write_iter+0x10/0x10
[ 96.519005][ C1] ? bpf_lsm_file_permission+0x9/0x10
[ 96.519035][ C1] vfs_write+0x70f/0xd10
[ 96.519066][ C1] ? __pfx_sock_write_iter+0x10/0x10
[ 96.519089][ C1] ? __pfx_vfs_write+0x10/0x10
[ 96.519112][ C1] ? __fget_files+0x2a/0x420
[ 96.519132][ C1] ? __fget_files+0x2a/0x420
[ 96.519158][ C1] ksys_write+0x19d/0x2d0
[ 96.519181][ C1] ? __pfx_ksys_write+0x10/0x10
[ 96.519207][ C1] ? do_syscall_64+0xb6/0x230
[ 96.519232][ C1] do_syscall_64+0xf3/0x230
[ 96.519255][ C1] ? clear_bhb_loop+0x45/0xa0
[ 96.519276][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 96.519292][ C1] RIP: 0033:0x449cf9
[ 96.519308][ 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
[ 96.519323][ C1] RSP: 002b:00007fccf0b810e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 96.519345][ C1] RAX: ffffffffffffffda RBX: 00000000005380d8 RCX: 0000000000449cf9
[ 96.519358][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 96.519370][ C1] RBP: 00007fccf0b81674 R08: 0000000000000000 R09: 0000000000000000
[ 96.519381][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 96.519392][ C1] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 96.519419][ C1]
[ 97.119865][ T5918] dccp_close: ABORT with 36 bytes unread
[ 97.157354][ T5934] dccp_close: ABORT with 36 bytes unread
[ 97.192511][ T5939] dccp_close: ABORT with 36 bytes unread
[ 97.238674][ 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()
[ 97.252904][ C0] CPU: 0 UID: 0 PID: 5976 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 97.252930][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 97.252941][ C0] Call Trace:
[ 97.252948][ C0]
[ 97.252955][ C0] dump_stack_lvl+0x241/0x360
[ 97.252990][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 97.253016][ C0] ? __pfx__printk+0x10/0x10
[ 97.253044][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 97.253080][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 97.253103][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 97.253136][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 97.253165][ C0] dccp_rcv_established+0x1bb/0x320
[ 97.253197][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 97.253215][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 97.253240][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 97.253254][ C0] __sk_receive_skb+0x82b/0x8b0
[ 97.253282][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 97.253298][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 97.253328][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 97.253354][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 97.253377][ C0] ip_local_deliver_finish+0x343/0x600
[ 97.253408][ C0] NF_HOOK+0x3a0/0x450
[ 97.253432][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 97.253454][ C0] ? NF_HOOK+0x9e/0x450
[ 97.253472][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 97.253500][ C0] ? ip_rcv_finish+0x409/0x560
[ 97.253523][ C0] NF_HOOK+0x3a0/0x450
[ 97.253546][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 97.253569][ C0] ? NF_HOOK+0x9e/0x450
[ 97.253587][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 97.253606][ C0] ? ip_rcv_core+0x80c/0xd20
[ 97.253641][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 97.253665][ C0] __netif_receive_skb+0x2c9/0x670
[ 97.253712][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 97.253756][ C0] process_backlog+0x664/0x15c0
[ 97.253786][ C0] ? process_backlog+0x33d/0x15c0
[ 97.253820][ C0] ? __pfx_process_backlog+0x10/0x10
[ 97.253844][ C0] ? __lock_acquire+0xad5/0xd80
[ 97.253868][ C0] ? do_raw_spin_lock+0x151/0x370
[ 97.253900][ C0] __napi_poll+0xcb/0x480
[ 97.253929][ C0] net_rx_action+0x89d/0x1240
[ 97.253979][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 97.254010][ C0] ? sched_clock+0x4a/0x70
[ 97.254052][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 97.254070][ C0] ? sched_clock_cpu+0x77/0x4d0
[ 97.254091][ C0] ? ktime_get+0x1dc/0x200
[ 97.254128][ C0] handle_softirqs+0x2d6/0x9b0
[ 97.254155][ C0] ? do_softirq+0x11f/0x1e0
[ 97.254176][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 97.254202][ C0] do_softirq+0x11f/0x1e0
[ 97.254218][ C0]
[ 97.254224][ C0]
[ 97.254232][ C0] ? __pfx_do_softirq+0x10/0x10
[ 97.254249][ C0] ? rcu_is_watching+0x15/0xb0
[ 97.254274][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 97.254296][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 97.254353][ C0] __local_bh_enable_ip+0x1be/0x200
[ 97.254373][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 97.254392][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 97.254414][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 97.254435][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 97.254457][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 97.254494][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 97.254520][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 97.254540][ C0] ? __lock_acquire+0xad5/0xd80
[ 97.254570][ C0] ? __lock_acquire+0xad5/0xd80
[ 97.254592][ C0] ? __lock_acquire+0xad5/0xd80
[ 97.254630][ C0] ? ip_finish_output2+0x947/0x12e0
[ 97.254656][ C0] ip_finish_output2+0xcd2/0x12e0
[ 97.254679][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 97.254707][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 97.254728][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 97.254744][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 97.254765][ C0] ? __ip_finish_output+0x34c/0x400
[ 97.254789][ C0] __ip_queue_xmit+0x1042/0x1960
[ 97.254813][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 97.254837][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 97.254873][ C0] dccp_xmit_packet+0x35a/0x600
[ 97.254896][ C0] dccp_write_xmit+0x138/0x220
[ 97.254917][ C0] dccp_sendmsg+0x76b/0xbb0
[ 97.254944][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 97.254964][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 97.254985][ C0] ? inet_sendmsg+0x330/0x390
[ 97.255009][ C0] __sock_sendmsg+0x1a6/0x270
[ 97.255038][ C0] sock_write_iter+0x2d9/0x3f0
[ 97.255065][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 97.255085][ C0] ? do_raw_spin_lock+0x151/0x370
[ 97.255121][ C0] ? bpf_lsm_file_permission+0x9/0x10
[ 97.255147][ C0] vfs_write+0x70f/0xd10
[ 97.255175][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 97.255199][ C0] ? __pfx_vfs_write+0x10/0x10
[ 97.255219][ C0] ? __fget_files+0x2a/0x420
[ 97.255236][ C0] ? __fget_files+0x2a/0x420
[ 97.255269][ C0] ksys_write+0x19d/0x2d0
[ 97.255294][ C0] ? __pfx_ksys_write+0x10/0x10
[ 97.255325][ C0] ? do_syscall_64+0xb6/0x230
[ 97.255348][ C0] do_syscall_64+0xf3/0x230
[ 97.255365][ C0] ? clear_bhb_loop+0x45/0xa0
[ 97.255381][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 97.255396][ C0] RIP: 0033:0x449cf9
[ 97.255412][ 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
[ 97.255427][ C0] RSP: 002b:00007f3794a750e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 97.255448][ C0] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9
[ 97.255460][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 97.255471][ C0] RBP: 00007f3794a75674 R08: 0000000000000000 R09: 0000000000000000
[ 97.255482][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 97.255493][ C0] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 97.255520][ C0]
[ 97.256093][ T5972] dccp_close: ABORT with 36 bytes unread
[ 97.302214][ T5961] dccp_close: ABORT with 36 bytes unread
[ 97.341138][ T5959] dccp_close: ABORT with 36 bytes unread
[ 97.441003][ 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()
[ 97.511883][ 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()
[ 97.515828][ C0] CPU: 0 UID: 0 PID: 5988 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 97.515850][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 97.515860][ C0] Call Trace:
[ 97.515868][ C0]
[ 97.515876][ C0] dump_stack_lvl+0x241/0x360
[ 97.515907][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 97.515932][ C0] ? __pfx__printk+0x10/0x10
[ 97.515958][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 97.515996][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 97.516018][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 97.516049][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 97.516077][ C0] dccp_rcv_established+0x1bb/0x320
[ 97.516110][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 97.516128][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 97.516154][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 97.516170][ C0] __sk_receive_skb+0x82b/0x8b0
[ 97.516201][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 97.516218][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 97.516242][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 97.516269][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 97.516292][ C0] ip_local_deliver_finish+0x343/0x600
[ 97.516323][ C0] NF_HOOK+0x3a0/0x450
[ 97.516348][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 97.516371][ C0] ? NF_HOOK+0x9e/0x450
[ 97.516398][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 97.516431][ C0] ? ip_rcv_finish+0x409/0x560
[ 97.516457][ C0] NF_HOOK+0x3a0/0x450
[ 97.516482][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 97.516503][ C0] ? NF_HOOK+0x9e/0x450
[ 97.516524][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 97.516544][ C0] ? ip_rcv_core+0x80c/0xd20
[ 97.516579][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 97.516602][ C0] __netif_receive_skb+0x2c9/0x670
[ 97.516633][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 97.516676][ C0] process_backlog+0x664/0x15c0
[ 97.516706][ C0] ? process_backlog+0x33d/0x15c0
[ 97.516739][ C0] ? __pfx_process_backlog+0x10/0x10
[ 97.516768][ C0] ? xdp_do_check_flushed+0x217/0x240
[ 97.516798][ C0] __napi_poll+0xcb/0x480
[ 97.516826][ C0] net_rx_action+0x89d/0x1240
[ 97.516873][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 97.516902][ C0] ? sched_clock+0x4a/0x70
[ 97.516942][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 97.516959][ C0] ? sched_clock_cpu+0x77/0x4d0
[ 97.516978][ C0] ? ktime_get+0x1dc/0x200
[ 97.517014][ C0] handle_softirqs+0x2d6/0x9b0
[ 97.517042][ C0] ? do_softirq+0x11f/0x1e0
[ 97.517062][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 97.517089][ C0] do_softirq+0x11f/0x1e0
[ 97.517106][ C0]
[ 97.517112][ C0]
[ 97.517119][ C0] ? __pfx_do_softirq+0x10/0x10
[ 97.517135][ C0] ? rcu_is_watching+0x15/0xb0
[ 97.517160][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 97.517182][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 97.517202][ C0] __local_bh_enable_ip+0x1be/0x200
[ 97.517221][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 97.517241][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 97.517263][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 97.517282][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 97.517304][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 97.517340][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 97.517364][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 97.517384][ C0] ? __lock_acquire+0xad5/0xd80
[ 97.517419][ C0] ? __lock_acquire+0xad5/0xd80
[ 97.517440][ C0] ? __lock_acquire+0xad5/0xd80
[ 97.517477][ C0] ? ip_finish_output2+0x947/0x12e0
[ 97.517501][ C0] ip_finish_output2+0xcd2/0x12e0
[ 97.517523][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 97.517549][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 97.517569][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 97.517585][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 97.517604][ C0] ? __ip_finish_output+0x34c/0x400
[ 97.517627][ C0] __ip_queue_xmit+0x1042/0x1960
[ 97.517650][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 97.517672][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 97.517706][ C0] dccp_xmit_packet+0x35a/0x600
[ 97.517729][ C0] dccp_write_xmit+0x138/0x220
[ 97.517752][ C0] dccp_sendmsg+0x76b/0xbb0
[ 97.517782][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 97.517802][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 97.517825][ C0] ? inet_sendmsg+0x330/0x390
[ 97.517849][ C0] __sock_sendmsg+0x1a6/0x270
[ 97.517877][ C0] sock_write_iter+0x2d9/0x3f0
[ 97.517901][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 97.517935][ C0] ? bpf_lsm_file_permission+0x9/0x10
[ 97.517968][ C0] vfs_write+0x70f/0xd10
[ 97.517997][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 97.518021][ C0] ? __pfx_vfs_write+0x10/0x10
[ 97.518044][ C0] ? __fget_files+0x2a/0x420
[ 97.518065][ C0] ? __fget_files+0x2a/0x420
[ 97.518090][ C0] ksys_write+0x19d/0x2d0
[ 97.518113][ C0] ? __pfx_ksys_write+0x10/0x10
[ 97.518139][ C0] ? do_syscall_64+0xb6/0x230
[ 97.518165][ C0] do_syscall_64+0xf3/0x230
[ 97.518186][ C0] ? clear_bhb_loop+0x45/0xa0
[ 97.518208][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 97.518225][ C0] RIP: 0033:0x449cf9
[ 97.518241][ 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
[ 97.518255][ C0] RSP: 002b:00007f933332f0e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 97.518274][ C0] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9
[ 97.518286][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 97.518298][ C0] RBP: 00007f933332f674 R08: 0000000000000000 R09: 0000000000000000
[ 97.518309][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 97.518320][ C0] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 97.518348][ C0]
[ 98.440804][ C1] CPU: 1 UID: 0 PID: 5986 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 98.440824][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 98.440830][ C1] Call Trace:
[ 98.440837][ C1]
[ 98.440842][ C1] dump_stack_lvl+0x241/0x360
[ 98.440862][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 98.440876][ C1] ? __pfx__printk+0x10/0x10
[ 98.440889][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 98.440909][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 98.440922][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 98.440939][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 98.440953][ C1] dccp_rcv_established+0x1bb/0x320
[ 98.440970][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 98.440980][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 98.440993][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 98.441002][ C1] __sk_receive_skb+0x82b/0x8b0
[ 98.441018][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 98.441027][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 98.441040][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 98.441053][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 98.441065][ C1] ip_local_deliver_finish+0x343/0x600
[ 98.441081][ C1] NF_HOOK+0x3a0/0x450
[ 98.441094][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 98.441106][ C1] ? NF_HOOK+0x9e/0x450
[ 98.441116][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 98.441133][ C1] ? ip_rcv_finish+0x409/0x560
[ 98.441146][ C1] NF_HOOK+0x3a0/0x450
[ 98.441159][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 98.441170][ C1] ? NF_HOOK+0x9e/0x450
[ 98.441181][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 98.441191][ C1] ? ip_rcv_core+0x80c/0xd20
[ 98.441209][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 98.441220][ C1] __netif_receive_skb+0x2c9/0x670
[ 98.441237][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 98.441259][ C1] process_backlog+0x664/0x15c0
[ 98.441275][ C1] ? process_backlog+0x33d/0x15c0
[ 98.441292][ C1] ? __pfx_process_backlog+0x10/0x10
[ 98.441311][ C1] ? __lock_acquire+0xad5/0xd80
[ 98.441323][ C1] ? do_raw_spin_lock+0x151/0x370
[ 98.441337][ C1] __napi_poll+0xcb/0x480
[ 98.441351][ C1] net_rx_action+0x89d/0x1240
[ 98.441376][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 98.441391][ C1] ? sched_clock+0x4a/0x70
[ 98.441411][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 98.441420][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 98.441431][ C1] ? ktime_get+0x1dc/0x200
[ 98.441450][ C1] handle_softirqs+0x2d6/0x9b0
[ 98.441464][ C1] ? do_softirq+0x11f/0x1e0
[ 98.441475][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 98.441489][ C1] do_softirq+0x11f/0x1e0
[ 98.441498][ C1]
[ 98.441501][ C1]
[ 98.441505][ C1] ? __pfx_do_softirq+0x10/0x10
[ 98.441513][ C1] ? rcu_is_watching+0x15/0xb0
[ 98.441527][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 98.441539][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 98.441550][ C1] __local_bh_enable_ip+0x1be/0x200
[ 98.441560][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 98.441570][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 98.441581][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 98.441591][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 98.441602][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 98.441621][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 98.441633][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 98.441644][ C1] ? __pfx_call_rcu+0x10/0x10
[ 98.441654][ C1] ? rt_cache_route+0x259/0x2c0
[ 98.441664][ C1] ? percpu_counter_add_batch+0xff/0x1f0
[ 98.441678][ C1] ? __lock_acquire+0xad5/0xd80
[ 98.441689][ C1] ? __lock_acquire+0xad5/0xd80
[ 98.441708][ C1] ? ip_finish_output2+0x947/0x12e0
[ 98.441720][ C1] ip_finish_output2+0xcd2/0x12e0
[ 98.441732][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 98.441745][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 98.441755][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 98.441763][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 98.441774][ C1] ? __ip_finish_output+0x34c/0x400
[ 98.441786][ C1] __ip_queue_xmit+0x1042/0x1960
[ 98.441798][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 98.441809][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 98.441827][ C1] dccp_xmit_packet+0x35a/0x600
[ 98.441839][ C1] dccp_write_xmit+0x138/0x220
[ 98.441851][ C1] dccp_sendmsg+0x76b/0xbb0
[ 98.441867][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 98.441877][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 98.441889][ C1] ? inet_sendmsg+0x330/0x390
[ 98.441902][ C1] __sock_sendmsg+0x1a6/0x270
[ 98.441916][ C1] sock_write_iter+0x2d9/0x3f0
[ 98.441929][ C1] ? __pfx_sock_write_iter+0x10/0x10
[ 98.441947][ C1] ? bpf_lsm_file_permission+0x9/0x10
[ 98.441962][ C1] vfs_write+0x70f/0xd10
[ 98.441977][ C1] ? __pfx_sock_write_iter+0x10/0x10
[ 98.441989][ C1] ? __pfx_vfs_write+0x10/0x10
[ 98.442001][ C1] ? __fget_files+0x2a/0x420
[ 98.442011][ C1] ? __fget_files+0x2a/0x420
[ 98.442025][ C1] ksys_write+0x19d/0x2d0
[ 98.442037][ C1] ? __pfx_ksys_write+0x10/0x10
[ 98.442050][ C1] ? do_syscall_64+0xb6/0x230
[ 98.442063][ C1] do_syscall_64+0xf3/0x230
[ 98.442075][ C1] ? clear_bhb_loop+0x45/0xa0
[ 98.442086][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 98.442096][ C1] RIP: 0033:0x449cf9
[ 98.442106][ 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
[ 98.442114][ C1] RSP: 002b:00007f0c58c3d0e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 98.442125][ C1] RAX: ffffffffffffffda RBX: 0000000000538020 RCX: 0000000000449cf9
[ 98.442131][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 98.442137][ C1] RBP: 00007f0c58c3d674 R08: 0000000000000000 R09: 0000000000000000
[ 98.442143][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 98.442148][ C1] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 98.442163][ C1]
[ 99.165671][ 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()
[ 99.179722][ C0] CPU: 0 UID: 0 PID: 6007 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 99.179737][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 99.179743][ C0] Call Trace:
[ 99.179747][ C0]
[ 99.179752][ C0] dump_stack_lvl+0x241/0x360
[ 99.179772][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 99.179785][ C0] ? __pfx__printk+0x10/0x10
[ 99.179799][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 99.179819][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 99.179831][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 99.179848][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 99.179862][ C0] dccp_rcv_established+0x1bb/0x320
[ 99.179878][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 99.179888][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 99.179901][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 99.179910][ C0] __sk_receive_skb+0x82b/0x8b0
[ 99.179926][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 99.179935][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 99.179948][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 99.179961][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 99.179973][ C0] ip_local_deliver_finish+0x343/0x600
[ 99.179989][ C0] NF_HOOK+0x3a0/0x450
[ 99.180002][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 99.180013][ C0] ? NF_HOOK+0x9e/0x450
[ 99.180024][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 99.180041][ C0] ? ip_rcv_finish+0x409/0x560
[ 99.180054][ C0] NF_HOOK+0x3a0/0x450
[ 99.180067][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 99.180078][ C0] ? NF_HOOK+0x9e/0x450
[ 99.180089][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 99.180099][ C0] ? ip_rcv_core+0x80c/0xd20
[ 99.180116][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 99.180128][ C0] __netif_receive_skb+0x2c9/0x670
[ 99.180144][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 99.180166][ C0] process_backlog+0x664/0x15c0
[ 99.180182][ C0] ? process_backlog+0x33d/0x15c0
[ 99.180198][ C0] ? __pfx_process_backlog+0x10/0x10
[ 99.180210][ C0] ? __lock_acquire+0xad5/0xd80
[ 99.180222][ C0] ? do_raw_spin_lock+0x151/0x370
[ 99.180239][ C0] __napi_poll+0xcb/0x480
[ 99.180253][ C0] net_rx_action+0x89d/0x1240
[ 99.180277][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 99.180291][ C0] ? sched_clock+0x4a/0x70
[ 99.180312][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 99.180321][ C0] ? sched_clock_cpu+0x77/0x4d0
[ 99.180332][ C0] ? ktime_get+0x1dc/0x200
[ 99.180350][ C0] handle_softirqs+0x2d6/0x9b0
[ 99.180364][ C0] ? do_softirq+0x11f/0x1e0
[ 99.180375][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 99.180389][ C0] do_softirq+0x11f/0x1e0
[ 99.180398][ C0]
[ 99.180400][ C0]
[ 99.180404][ C0] ? __pfx_do_softirq+0x10/0x10
[ 99.180415][ C0] ? rcu_is_watching+0x15/0xb0
[ 99.180439][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 99.180461][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 99.180490][ C0] __local_bh_enable_ip+0x1be/0x200
[ 99.180509][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 99.180530][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 99.180548][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 99.180568][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 99.180588][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 99.180617][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 99.180640][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 99.180660][ C0] ? __lock_acquire+0xad5/0xd80
[ 99.180690][ C0] ? __lock_acquire+0xad5/0xd80
[ 99.180712][ C0] ? __lock_acquire+0xad5/0xd80
[ 99.180746][ C0] ? ip_finish_output2+0x947/0x12e0
[ 99.180768][ C0] ip_finish_output2+0xcd2/0x12e0
[ 99.180787][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 99.180816][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 99.180838][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 99.180855][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 99.180875][ C0] ? __ip_finish_output+0x34c/0x400
[ 99.180898][ C0] __ip_queue_xmit+0x1042/0x1960
[ 99.180921][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 99.180944][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 99.180978][ C0] dccp_xmit_packet+0x35a/0x600
[ 99.181001][ C0] dccp_write_xmit+0x138/0x220
[ 99.181025][ C0] dccp_sendmsg+0x76b/0xbb0
[ 99.181056][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 99.181076][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 99.181099][ C0] ? inet_sendmsg+0x330/0x390
[ 99.181122][ C0] __sock_sendmsg+0x1a6/0x270
[ 99.181147][ C0] sock_write_iter+0x2d9/0x3f0
[ 99.181171][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 99.181205][ C0] ? bpf_lsm_file_permission+0x9/0x10
[ 99.181232][ C0] vfs_write+0x70f/0xd10
[ 99.181262][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 99.181287][ C0] ? __pfx_vfs_write+0x10/0x10
[ 99.181312][ C0] ? __fget_files+0x2a/0x420
[ 99.181333][ C0] ? __fget_files+0x2a/0x420
[ 99.181360][ C0] ksys_write+0x19d/0x2d0
[ 99.181384][ C0] ? __pfx_ksys_write+0x10/0x10
[ 99.181411][ C0] ? do_syscall_64+0xb6/0x230
[ 99.181438][ C0] do_syscall_64+0xf3/0x230
[ 99.181461][ C0] ? clear_bhb_loop+0x45/0xa0
[ 99.181492][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 99.181510][ C0] RIP: 0033:0x449cf9
[ 99.181527][ 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
[ 99.181542][ C0] RSP: 002b:00007fccf0ba20e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 99.181564][ C0] RAX: ffffffffffffffda RBX: 0000000000538020 RCX: 0000000000449cf9
[ 99.181578][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 99.181589][ C0] RBP: 00007fccf0ba2674 R08: 0000000000000000 R09: 0000000000000000
[ 99.181601][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 99.181612][ C0] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 99.181641][ C0]
[ 99.900835][ 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()
[ 99.914942][ C0] CPU: 0 UID: 0 PID: 6066 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 99.914967][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 99.914979][ C0] Call Trace:
[ 99.914986][ C0]
[ 99.914994][ C0] dump_stack_lvl+0x241/0x360
[ 99.915029][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 99.915057][ C0] ? __pfx__printk+0x10/0x10
[ 99.915084][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 99.915123][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 99.915146][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 99.915179][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 99.915201][ C0] dccp_rcv_established+0x1bb/0x320
[ 99.915226][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 99.915240][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 99.915260][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 99.915273][ C0] __sk_receive_skb+0x82b/0x8b0
[ 99.915297][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 99.915311][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 99.915330][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 99.915351][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 99.915369][ C0] ip_local_deliver_finish+0x343/0x600
[ 99.915393][ C0] NF_HOOK+0x3a0/0x450
[ 99.915413][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 99.915432][ C0] ? NF_HOOK+0x9e/0x450
[ 99.915448][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 99.915473][ C0] ? ip_rcv_finish+0x409/0x560
[ 99.915494][ C0] NF_HOOK+0x3a0/0x450
[ 99.915513][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 99.915530][ C0] ? NF_HOOK+0x9e/0x450
[ 99.915547][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 99.915563][ C0] ? ip_rcv_core+0x80c/0xd20
[ 99.915590][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 99.915608][ C0] __netif_receive_skb+0x2c9/0x670
[ 99.915632][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 99.915666][ C0] process_backlog+0x664/0x15c0
[ 99.915689][ C0] ? process_backlog+0x33d/0x15c0
[ 99.915715][ C0] ? __pfx_process_backlog+0x10/0x10
[ 99.915733][ C0] ? __lock_acquire+0xad5/0xd80
[ 99.915751][ C0] ? do_raw_spin_lock+0x151/0x370
[ 99.915773][ C0] __napi_poll+0xcb/0x480
[ 99.915794][ C0] net_rx_action+0x89d/0x1240
[ 99.915830][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 99.915853][ C0] ? sched_clock+0x4a/0x70
[ 99.915884][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 99.915897][ C0] ? sched_clock_cpu+0x77/0x4d0
[ 99.915913][ C0] ? ktime_get+0x1dc/0x200
[ 99.915941][ C0] handle_softirqs+0x2d6/0x9b0
[ 99.915962][ C0] ? do_softirq+0x11f/0x1e0
[ 99.915978][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 99.916000][ C0] do_softirq+0x11f/0x1e0
[ 99.916012][ C0]
[ 99.916017][ C0]
[ 99.916022][ C0] ? __pfx_do_softirq+0x10/0x10
[ 99.916035][ C0] ? rcu_is_watching+0x15/0xb0
[ 99.916055][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 99.916072][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 99.916088][ C0] __local_bh_enable_ip+0x1be/0x200
[ 99.916103][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 99.916118][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 99.916135][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 99.916154][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 99.916171][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 99.916198][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 99.916217][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 99.916233][ C0] ? __pfx_call_rcu+0x10/0x10
[ 99.916249][ C0] ? rt_cache_route+0x259/0x2c0
[ 99.916264][ C0] ? percpu_counter_add_batch+0xff/0x1f0
[ 99.916285][ C0] ? __lock_acquire+0xad5/0xd80
[ 99.916301][ C0] ? __lock_acquire+0xad5/0xd80
[ 99.916329][ C0] ? ip_finish_output2+0x947/0x12e0
[ 99.916348][ C0] ip_finish_output2+0xcd2/0x12e0
[ 99.916365][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 99.916385][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 99.916400][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 99.916413][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 99.916429][ C0] ? __ip_finish_output+0x34c/0x400
[ 99.916446][ C0] __ip_queue_xmit+0x1042/0x1960
[ 99.916464][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 99.916481][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 99.916507][ C0] dccp_xmit_packet+0x35a/0x600
[ 99.916525][ C0] dccp_write_xmit+0x138/0x220
[ 99.916543][ C0] dccp_sendmsg+0x76b/0xbb0
[ 99.916566][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 99.916581][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 99.916600][ C0] ? inet_sendmsg+0x330/0x390
[ 99.916618][ C0] __sock_sendmsg+0x1a6/0x270
[ 99.916639][ C0] sock_write_iter+0x2d9/0x3f0
[ 99.916658][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 99.916674][ C0] ? do_raw_spin_lock+0x151/0x370
[ 99.916702][ C0] ? bpf_lsm_file_permission+0x9/0x10
[ 99.916724][ C0] vfs_write+0x70f/0xd10
[ 99.916747][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 99.916765][ C0] ? __pfx_vfs_write+0x10/0x10
[ 99.916783][ C0] ? __fget_files+0x2a/0x420
[ 99.916799][ C0] ? __fget_files+0x2a/0x420
[ 99.916818][ C0] ksys_write+0x19d/0x2d0
[ 99.916836][ C0] ? __pfx_ksys_write+0x10/0x10
[ 99.916856][ C0] ? do_syscall_64+0xb6/0x230
[ 99.916876][ C0] do_syscall_64+0xf3/0x230
[ 99.916893][ C0] ? clear_bhb_loop+0x45/0xa0
[ 99.916910][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 99.916924][ C0] RIP: 0033:0x449cf9
[ 99.916937][ 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
2025/04/10 10:37:51 executed programs: 42
[ 99.916949][ C0] RSP: 002b:00007f2e2c61b0e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 99.916965][ C0] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9
[ 99.916975][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 99.916984][ C0] RBP: 00007f2e2c61b674 R08: 0000000000000000 R09: 0000000000000000
[ 99.916993][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 99.917001][ C0] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 99.917023][ C0]
[ 100.551426][ T6065] __nla_validate_parse: 60 callbacks suppressed
[ 100.551443][ T6065] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 100.581372][ T6084] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 100.581829][ T6082] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 100.593913][ T6079] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 100.602453][ T6080] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 100.618698][ T6081] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 100.626744][ T6083] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 100.637638][ T6078] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 100.647303][ T6086] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 100.663330][ T6085] net_ratelimit: 18 callbacks suppressed
[ 100.663349][ T6085] dccp_close: ABORT with 36 bytes unread
[ 100.670921][ T6088] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.
[ 100.699290][ 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()
[ 100.713339][ C0] CPU: 0 UID: 0 PID: 6094 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 100.713363][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 100.713373][ C0] Call Trace:
[ 100.713381][ C0]
[ 100.713387][ C0] dump_stack_lvl+0x241/0x360
[ 100.713419][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 100.713444][ C0] ? __pfx__printk+0x10/0x10
[ 100.713469][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 100.713504][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 100.713526][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 100.713557][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 100.713583][ C0] dccp_rcv_established+0x1bb/0x320
[ 100.713613][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 100.713632][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 100.713657][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 100.713674][ C0] __sk_receive_skb+0x82b/0x8b0
[ 100.713707][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 100.713725][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 100.713749][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 100.713773][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 100.713795][ C0] ip_local_deliver_finish+0x343/0x600
[ 100.713821][ C0] NF_HOOK+0x3a0/0x450
[ 100.713843][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 100.713862][ C0] ? NF_HOOK+0x9e/0x450
[ 100.713883][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 100.713924][ C0] ? ip_rcv_finish+0x409/0x560
[ 100.713950][ C0] NF_HOOK+0x3a0/0x450
[ 100.713994][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 100.714015][ C0] ? NF_HOOK+0x9e/0x450
[ 100.714046][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 100.714066][ C0] ? ip_rcv_core+0x80c/0xd20
[ 100.714098][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 100.714119][ C0] __netif_receive_skb+0x2c9/0x670
[ 100.714149][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 100.714192][ C0] process_backlog+0x664/0x15c0
[ 100.714222][ C0] ? process_backlog+0x33d/0x15c0
[ 100.714257][ C0] ? __pfx_process_backlog+0x10/0x10
[ 100.714285][ C0] ? psi_group_change+0xb54/0x1190
[ 100.714310][ C0] __napi_poll+0xcb/0x480
[ 100.714337][ C0] net_rx_action+0x89d/0x1240
[ 100.714385][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 100.714415][ C0] ? sched_clock+0x4a/0x70
[ 100.714455][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 100.714471][ C0] ? sched_clock_cpu+0x77/0x4d0
[ 100.714490][ C0] ? ktime_get+0x1dc/0x200
[ 100.714524][ C0] handle_softirqs+0x2d6/0x9b0
[ 100.714551][ C0] ? do_softirq+0x11f/0x1e0
[ 100.714571][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 100.714595][ C0] do_softirq+0x11f/0x1e0
[ 100.714612][ C0]
[ 100.714617][ C0]
[ 100.714625][ C0] ? __pfx_do_softirq+0x10/0x10
[ 100.714641][ C0] ? rcu_is_watching+0x15/0xb0
[ 100.714667][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 100.714688][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 100.714709][ C0] __local_bh_enable_ip+0x1be/0x200
[ 100.714729][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 100.714748][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 100.714769][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 100.714788][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 100.714811][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 100.714831][ C0] ? stack_depot_save_flags+0x44/0x940
[ 100.714865][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 100.714890][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 100.714907][ C0] ? __local_bh_enable_ip+0x168/0x200
[ 100.714925][ C0] ? rt_cache_route+0x259/0x2c0
[ 100.714945][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 100.714972][ C0] ? __lock_acquire+0xad5/0xd80
[ 100.714995][ C0] ? __lock_acquire+0xad5/0xd80
[ 100.715038][ C0] ? ip_finish_output2+0x947/0x12e0
[ 100.715060][ C0] ip_finish_output2+0xcd2/0x12e0
[ 100.715082][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 100.715107][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 100.715125][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 100.715140][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 100.715158][ C0] ? __ip_finish_output+0x34c/0x400
[ 100.715182][ C0] __ip_queue_xmit+0x1042/0x1960
[ 100.715206][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 100.715230][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 100.715265][ C0] dccp_xmit_packet+0x35a/0x600
[ 100.715288][ C0] dccp_write_xmit+0x138/0x220
[ 100.715311][ C0] dccp_sendmsg+0x76b/0xbb0
[ 100.715340][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 100.715361][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 100.715389][ C0] ? inet_sendmsg+0x330/0x390
[ 100.715414][ C0] __sock_sendmsg+0x1a6/0x270
[ 100.715441][ C0] sock_write_iter+0x2d9/0x3f0
[ 100.715466][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 100.715485][ C0] ? do_raw_spin_lock+0x151/0x370
[ 100.715518][ C0] ? bpf_lsm_file_permission+0x9/0x10
[ 100.715546][ C0] vfs_write+0x70f/0xd10
[ 100.715573][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 100.715595][ C0] ? __pfx_vfs_write+0x10/0x10
[ 100.715617][ C0] ? __fget_files+0x2a/0x420
[ 100.715638][ C0] ? __fget_files+0x2a/0x420
[ 100.715663][ C0] ksys_write+0x19d/0x2d0
[ 100.715686][ C0] ? __pfx_ksys_write+0x10/0x10
[ 100.715713][ C0] ? do_syscall_64+0xb6/0x230
[ 100.715740][ C0] do_syscall_64+0xf3/0x230
[ 100.715762][ C0] ? clear_bhb_loop+0x45/0xa0
[ 100.715785][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 100.715802][ C0] RIP: 0033:0x449cf9
[ 100.715817][ 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
[ 100.715831][ C0] RSP: 002b:00007f933332f0e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 100.715849][ C0] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9
[ 100.715860][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 100.715870][ C0] RBP: 00007f933332f674 R08: 0000000000000000 R09: 0000000000000000
[ 100.715879][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 100.715889][ C0] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 100.715915][ C0]
[ 101.306372][ T6081] dccp_close: ABORT with 90 bytes unread
[ 101.316432][ T6083] dccp_close: ABORT with 36 bytes unread
[ 101.324204][ T6094] dccp_close: ABORT with 36 bytes unread
[ 101.331566][ T6080] dccp_close: ABORT with 36 bytes unread
[ 101.339517][ T6078] dccp_close: ABORT with 36 bytes unread
[ 101.407436][ T6071] dccp_close: ABORT with 36 bytes unread
[ 101.443582][ 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()
[ 101.446922][ 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()
[ 101.457772][ C0] CPU: 0 UID: 0 PID: 6113 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 101.457793][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 101.457803][ C0] Call Trace:
[ 101.457810][ C0]
[ 101.457818][ C0] dump_stack_lvl+0x241/0x360
[ 101.457853][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 101.457879][ C0] ? __pfx__printk+0x10/0x10
[ 101.457903][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 101.457941][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 101.457967][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 101.458006][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 101.458034][ C0] dccp_rcv_established+0x1bb/0x320
[ 101.458066][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 101.458084][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 101.458110][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 101.458125][ C0] __sk_receive_skb+0x82b/0x8b0
[ 101.458156][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 101.458175][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 101.458199][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 101.458226][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 101.458249][ C0] ip_local_deliver_finish+0x343/0x600
[ 101.458279][ C0] NF_HOOK+0x3a0/0x450
[ 101.458303][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 101.458326][ C0] ? NF_HOOK+0x9e/0x450
[ 101.458347][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 101.458380][ C0] ? ip_rcv_finish+0x409/0x560
[ 101.458406][ C0] NF_HOOK+0x3a0/0x450
[ 101.458430][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 101.458452][ C0] ? NF_HOOK+0x9e/0x450
[ 101.458474][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 101.458493][ C0] ? ip_rcv_core+0x80c/0xd20
[ 101.458528][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 101.458551][ C0] __netif_receive_skb+0x2c9/0x670
[ 101.458582][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 101.458626][ C0] process_backlog+0x664/0x15c0
[ 101.458656][ C0] ? process_backlog+0x33d/0x15c0
[ 101.458689][ C0] ? __pfx_process_backlog+0x10/0x10
[ 101.458712][ C0] ? __lock_acquire+0xad5/0xd80
[ 101.458735][ C0] ? do_raw_spin_lock+0x151/0x370
[ 101.458763][ C0] __napi_poll+0xcb/0x480
[ 101.458790][ C0] net_rx_action+0x89d/0x1240
[ 101.458838][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 101.458867][ C0] ? sched_clock+0x4a/0x70
[ 101.458906][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 101.458923][ C0] ? sched_clock_cpu+0x77/0x4d0
[ 101.458943][ C0] ? ktime_get+0x1dc/0x200
[ 101.458977][ C0] handle_softirqs+0x2d6/0x9b0
[ 101.459010][ C0] ? do_softirq+0x11f/0x1e0
[ 101.459031][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 101.459058][ C0] do_softirq+0x11f/0x1e0
[ 101.459074][ C0]
[ 101.459080][ C0]
[ 101.459088][ C0] ? __pfx_do_softirq+0x10/0x10
[ 101.459104][ C0] ? rcu_is_watching+0x15/0xb0
[ 101.459129][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 101.459151][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 101.459171][ C0] __local_bh_enable_ip+0x1be/0x200
[ 101.459190][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 101.459210][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 101.459231][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 101.459249][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 101.459271][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 101.459291][ C0] ? stack_depot_save_flags+0x44/0x940
[ 101.459323][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 101.459347][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 101.459366][ C0] ? __local_bh_enable_ip+0x168/0x200
[ 101.459384][ C0] ? rt_cache_route+0x259/0x2c0
[ 101.459403][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 101.459428][ C0] ? __lock_acquire+0xad5/0xd80
[ 101.459450][ C0] ? __lock_acquire+0xad5/0xd80
[ 101.459486][ C0] ? ip_finish_output2+0x947/0x12e0
[ 101.459510][ C0] ip_finish_output2+0xcd2/0x12e0
[ 101.459532][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 101.459558][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 101.459578][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 101.459593][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 101.459613][ C0] ? __ip_finish_output+0x34c/0x400
[ 101.459636][ C0] __ip_queue_xmit+0x1042/0x1960
[ 101.459659][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 101.459682][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 101.459715][ C0] dccp_xmit_packet+0x35a/0x600
[ 101.459739][ C0] dccp_write_xmit+0x138/0x220
[ 101.459762][ C0] dccp_sendmsg+0x76b/0xbb0
[ 101.459791][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 101.459811][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 101.459834][ C0] ? inet_sendmsg+0x330/0x390
[ 101.459858][ C0] __sock_sendmsg+0x1a6/0x270
[ 101.459884][ C0] sock_write_iter+0x2d9/0x3f0
[ 101.459909][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 101.459943][ C0] ? bpf_lsm_file_permission+0x9/0x10
[ 101.459971][ C0] vfs_write+0x70f/0xd10
[ 101.460006][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 101.460030][ C0] ? __pfx_vfs_write+0x10/0x10
[ 101.460054][ C0] ? __fget_files+0x2a/0x420
[ 101.460073][ C0] ? __fget_files+0x2a/0x420
[ 101.460098][ C0] ksys_write+0x19d/0x2d0
[ 101.460121][ C0] ? __pfx_ksys_write+0x10/0x10
[ 101.460148][ C0] ? do_syscall_64+0xb6/0x230
[ 101.460173][ C0] do_syscall_64+0xf3/0x230
[ 101.460195][ C0] ? clear_bhb_loop+0x45/0xa0
[ 101.460216][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 101.460234][ C0] RIP: 0033:0x449cf9
[ 101.460249][ 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
[ 101.460263][ C0] RSP: 002b:00007f93333500e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 101.460282][ C0] RAX: ffffffffffffffda RBX: 00000000005380d8 RCX: 0000000000449cf9
[ 101.460294][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 101.460305][ C0] RBP: 00007f9333350674 R08: 0000000000000000 R09: 0000000000000000
[ 101.460316][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 101.460327][ C0] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 101.460354][ C0]
[ 102.055967][ C1] CPU: 1 UID: 0 PID: 6124 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 102.055987][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 102.055993][ C1] Call Trace:
[ 102.056000][ C1]
[ 102.056005][ C1] dump_stack_lvl+0x241/0x360
[ 102.056026][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 102.056040][ C1] ? __pfx__printk+0x10/0x10
[ 102.056053][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 102.056074][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 102.056086][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 102.056103][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 102.056117][ C1] dccp_rcv_established+0x1bb/0x320
[ 102.056134][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 102.056144][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 102.056157][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 102.056166][ C1] __sk_receive_skb+0x82b/0x8b0
[ 102.056182][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 102.056192][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 102.056204][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 102.056218][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 102.056230][ C1] ip_local_deliver_finish+0x343/0x600
[ 102.056246][ C1] NF_HOOK+0x3a0/0x450
[ 102.056259][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 102.056271][ C1] ? NF_HOOK+0x9e/0x450
[ 102.056281][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 102.056298][ C1] ? ip_rcv_finish+0x409/0x560
[ 102.056312][ C1] NF_HOOK+0x3a0/0x450
[ 102.056324][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 102.056336][ C1] ? NF_HOOK+0x9e/0x450
[ 102.056346][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 102.056356][ C1] ? ip_rcv_core+0x80c/0xd20
[ 102.056374][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 102.056386][ C1] __netif_receive_skb+0x2c9/0x670
[ 102.056402][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 102.056424][ C1] process_backlog+0x664/0x15c0
[ 102.056440][ C1] ? process_backlog+0x33d/0x15c0
[ 102.056457][ C1] ? __pfx_process_backlog+0x10/0x10
[ 102.056471][ C1] ? xdp_do_check_flushed+0x217/0x240
[ 102.056487][ C1] __napi_poll+0xcb/0x480
[ 102.056501][ C1] net_rx_action+0x89d/0x1240
[ 102.056526][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 102.056541][ C1] ? sched_clock+0x4a/0x70
[ 102.056561][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 102.056570][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 102.056580][ C1] ? ktime_get+0x1dc/0x200
[ 102.056598][ C1] handle_softirqs+0x2d6/0x9b0
[ 102.056613][ C1] ? do_softirq+0x11f/0x1e0
[ 102.056624][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 102.056638][ C1] do_softirq+0x11f/0x1e0
[ 102.056647][ C1]
[ 102.056650][ C1]
[ 102.056654][ C1] ? __pfx_do_softirq+0x10/0x10
[ 102.056662][ C1] ? rcu_is_watching+0x15/0xb0
[ 102.056675][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 102.056687][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 102.056698][ C1] __local_bh_enable_ip+0x1be/0x200
[ 102.056708][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 102.056718][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 102.056730][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 102.056739][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 102.056751][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 102.056769][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 102.056782][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 102.056792][ C1] ? __lock_acquire+0xad5/0xd80
[ 102.056807][ C1] ? __lock_acquire+0xad5/0xd80
[ 102.056818][ C1] ? __lock_acquire+0xad5/0xd80
[ 102.056837][ C1] ? ip_finish_output2+0x947/0x12e0
[ 102.056849][ C1] ip_finish_output2+0xcd2/0x12e0
[ 102.056861][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 102.056874][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 102.056884][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 102.056892][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 102.056903][ C1] ? __ip_finish_output+0x34c/0x400
[ 102.056920][ C1] __ip_queue_xmit+0x1042/0x1960
[ 102.056933][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 102.056944][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 102.056962][ C1] dccp_xmit_packet+0x35a/0x600
[ 102.056975][ C1] dccp_write_xmit+0x138/0x220
[ 102.056987][ C1] dccp_sendmsg+0x76b/0xbb0
[ 102.057003][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 102.057013][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 102.057026][ C1] ? inet_sendmsg+0x330/0x390
[ 102.057038][ C1] __sock_sendmsg+0x1a6/0x270
[ 102.057053][ C1] sock_write_iter+0x2d9/0x3f0
[ 102.057066][ C1] ? __pfx_sock_write_iter+0x10/0x10
[ 102.057083][ C1] ? bpf_lsm_file_permission+0x9/0x10
[ 102.057099][ C1] vfs_write+0x70f/0xd10
[ 102.057115][ C1] ? __pfx_sock_write_iter+0x10/0x10
[ 102.057127][ C1] ? __pfx_vfs_write+0x10/0x10
[ 102.057139][ C1] ? __fget_files+0x2a/0x420
[ 102.057150][ C1] ? __fget_files+0x2a/0x420
[ 102.057163][ C1] ksys_write+0x19d/0x2d0
[ 102.057175][ C1] ? __pfx_ksys_write+0x10/0x10
[ 102.057189][ C1] ? do_syscall_64+0xb6/0x230
[ 102.057202][ C1] do_syscall_64+0xf3/0x230
[ 102.057214][ C1] ? clear_bhb_loop+0x45/0xa0
[ 102.057225][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 102.057235][ C1] RIP: 0033:0x449cf9
[ 102.057245][ 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
[ 102.057255][ C1] RSP: 002b:00007fccf0b600e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 102.057267][ C1] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9
[ 102.057274][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 102.057279][ C1] RBP: 00007fccf0b60674 R08: 0000000000000000 R09: 0000000000000000
[ 102.057285][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 102.057291][ C1] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 102.057305][ C1]
[ 102.626920][ T6124] dccp_close: ABORT with 36 bytes unread
[ 102.627041][ T6111] dccp_close: ABORT with 36 bytes unread
[ 102.641646][ T6115] dccp_close: ABORT with 36 bytes unread
[ 102.765906][ 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()
[ 102.779925][ C1] CPU: 1 UID: 0 PID: 6154 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 102.779940][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 102.779946][ C1] Call Trace:
[ 102.779951][ C1]
[ 102.779956][ C1] dump_stack_lvl+0x241/0x360
[ 102.779975][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 102.779989][ C1] ? __pfx__printk+0x10/0x10
[ 102.780003][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 102.780023][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 102.780035][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 102.780052][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 102.780066][ C1] dccp_rcv_established+0x1bb/0x320
[ 102.780084][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 102.780093][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 102.780107][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 102.780115][ C1] __sk_receive_skb+0x82b/0x8b0
[ 102.780132][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 102.780141][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 102.780154][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 102.780168][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 102.780180][ C1] ip_local_deliver_finish+0x343/0x600
[ 102.780196][ C1] NF_HOOK+0x3a0/0x450
[ 102.780208][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 102.780220][ C1] ? NF_HOOK+0x9e/0x450
[ 102.780231][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 102.780248][ C1] ? ip_rcv_finish+0x409/0x560
[ 102.780261][ C1] NF_HOOK+0x3a0/0x450
[ 102.780273][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 102.780285][ C1] ? NF_HOOK+0x9e/0x450
[ 102.780296][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 102.780306][ C1] ? ip_rcv_core+0x80c/0xd20
[ 102.780323][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 102.780335][ C1] __netif_receive_skb+0x2c9/0x670
[ 102.780351][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 102.780374][ C1] process_backlog+0x664/0x15c0
[ 102.780389][ C1] ? process_backlog+0x33d/0x15c0
[ 102.780406][ C1] ? __pfx_process_backlog+0x10/0x10
[ 102.780421][ C1] ? xdp_do_check_flushed+0x217/0x240
[ 102.780437][ C1] __napi_poll+0xcb/0x480
[ 102.780451][ C1] net_rx_action+0x89d/0x1240
[ 102.780475][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 102.780490][ C1] ? sched_clock+0x4a/0x70
[ 102.780511][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 102.780520][ C1] ? sched_clock_cpu+0x77/0x4d0
[ 102.780537][ C1] handle_softirqs+0x2d6/0x9b0
[ 102.780552][ C1] ? do_softirq+0x11f/0x1e0
[ 102.780562][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 102.780573][ C1] ? rcu_is_watching+0x15/0xb0
[ 102.780587][ C1] do_softirq+0x11f/0x1e0
[ 102.780596][ C1]
[ 102.780599][ C1]
[ 102.780603][ C1] ? __pfx_do_softirq+0x10/0x10
[ 102.780611][ C1] ? rcu_is_watching+0x15/0xb0
[ 102.780624][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 102.780638][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 102.780657][ C1] __local_bh_enable_ip+0x1be/0x200
[ 102.780675][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 102.780690][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 102.780706][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 102.780721][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 102.780738][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 102.780765][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 102.780783][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 102.780799][ C1] ? __lock_acquire+0xad5/0xd80
[ 102.780825][ C1] ? __lock_acquire+0xad5/0xd80
[ 102.780841][ C1] ? __lock_acquire+0xad5/0xd80
[ 102.780874][ C1] ? ip_finish_output2+0x947/0x12e0
[ 102.780892][ C1] ip_finish_output2+0xcd2/0x12e0
[ 102.780909][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 102.780929][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 102.780944][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 102.780955][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 102.780971][ C1] ? __ip_finish_output+0x34c/0x400
[ 102.780988][ C1] __ip_queue_xmit+0x1042/0x1960
[ 102.781006][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 102.781023][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 102.781048][ C1] dccp_xmit_packet+0x35a/0x600
[ 102.781066][ C1] dccp_write_xmit+0x138/0x220
[ 102.781083][ C1] dccp_sendmsg+0x76b/0xbb0
[ 102.781108][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 102.781123][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 102.781141][ C1] ? inet_sendmsg+0x330/0x390
[ 102.781159][ C1] __sock_sendmsg+0x1a6/0x270
[ 102.781180][ C1] sock_write_iter+0x2d9/0x3f0
[ 102.781199][ C1] ? __pfx_sock_write_iter+0x10/0x10
[ 102.781214][ C1] ? do_raw_spin_lock+0x151/0x370
[ 102.781241][ C1] ? bpf_lsm_file_permission+0x9/0x10
[ 102.781264][ C1] vfs_write+0x70f/0xd10
[ 102.781289][ C1] ? __pfx_sock_write_iter+0x10/0x10
[ 102.781308][ C1] ? __pfx_vfs_write+0x10/0x10
[ 102.781326][ C1] ? __fget_files+0x2a/0x420
[ 102.781341][ C1] ? __fget_files+0x2a/0x420
[ 102.781360][ C1] ksys_write+0x19d/0x2d0
[ 102.781378][ C1] ? __pfx_ksys_write+0x10/0x10
[ 102.781398][ C1] ? do_syscall_64+0xb6/0x230
[ 102.781418][ C1] do_syscall_64+0xf3/0x230
[ 102.781435][ C1] ? clear_bhb_loop+0x45/0xa0
[ 102.781452][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 102.781462][ C1] RIP: 0033:0x449cf9
[ 102.781472][ 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
[ 102.781479][ C1] RSP: 002b:00007ffa898c20e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 102.781490][ C1] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9
[ 102.781497][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 102.781502][ C1] RBP: 00007ffa898c2674 R08: 0000000000000000 R09: 0000000000000000
[ 102.781508][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 102.781514][ C1] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 102.781528][ C1]
[ 103.506634][ 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()
[ 103.520718][ C0] CPU: 0 UID: 0 PID: 6186 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 103.520741][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 103.520751][ C0] Call Trace:
[ 103.520758][ C0]
[ 103.520764][ C0] dump_stack_lvl+0x241/0x360
[ 103.520793][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 103.520817][ C0] ? __pfx__printk+0x10/0x10
[ 103.520838][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 103.520867][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 103.520884][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 103.520908][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 103.520929][ C0] dccp_rcv_established+0x1bb/0x320
[ 103.520954][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 103.520969][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 103.520992][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 103.521006][ C0] __sk_receive_skb+0x82b/0x8b0
[ 103.521032][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 103.521052][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 103.521073][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 103.521095][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 103.521117][ C0] ip_local_deliver_finish+0x343/0x600
[ 103.521146][ C0] NF_HOOK+0x3a0/0x450
[ 103.521170][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 103.521193][ C0] ? NF_HOOK+0x9e/0x450
[ 103.521215][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 103.521248][ C0] ? ip_rcv_finish+0x409/0x560
[ 103.521272][ C0] NF_HOOK+0x3a0/0x450
[ 103.521296][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 103.521318][ C0] ? NF_HOOK+0x9e/0x450
[ 103.521337][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 103.521358][ C0] ? ip_rcv_core+0x80c/0xd20
[ 103.521395][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 103.521417][ C0] __netif_receive_skb+0x2c9/0x670
[ 103.521449][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 103.521494][ C0] process_backlog+0x664/0x15c0
[ 103.521523][ C0] ? process_backlog+0x33d/0x15c0
[ 103.521554][ C0] ? __pfx_process_backlog+0x10/0x10
[ 103.521584][ C0] ? xdp_do_check_flushed+0x217/0x240
[ 103.521612][ C0] __napi_poll+0xcb/0x480
[ 103.521641][ C0] net_rx_action+0x89d/0x1240
[ 103.521687][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 103.521718][ C0] ? sched_clock+0x4a/0x70
[ 103.521758][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 103.521792][ C0] handle_softirqs+0x2d6/0x9b0
[ 103.521814][ C0] ? do_softirq+0x11f/0x1e0
[ 103.521836][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 103.521864][ C0] do_softirq+0x11f/0x1e0
[ 103.521880][ C0]
[ 103.521886][ C0]
[ 103.521894][ C0] ? __pfx_do_softirq+0x10/0x10
[ 103.521911][ C0] ? rcu_is_watching+0x15/0xb0
[ 103.521937][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 103.521960][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 103.521983][ C0] __local_bh_enable_ip+0x1be/0x200
[ 103.522001][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 103.522020][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 103.522059][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 103.522077][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 103.522099][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 103.522134][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 103.522157][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 103.522177][ C0] ? __lock_acquire+0xad5/0xd80
[ 103.522207][ C0] ? __lock_acquire+0xad5/0xd80
[ 103.522228][ C0] ? __lock_acquire+0xad5/0xd80
[ 103.522265][ C0] ? ip_finish_output2+0x947/0x12e0
[ 103.522290][ C0] ip_finish_output2+0xcd2/0x12e0
[ 103.522311][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 103.522337][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 103.522357][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 103.522372][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 103.522392][ C0] ? __ip_finish_output+0x34c/0x400
[ 103.522417][ C0] __ip_queue_xmit+0x1042/0x1960
[ 103.522441][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 103.522464][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 103.522496][ C0] dccp_xmit_packet+0x35a/0x600
[ 103.522518][ C0] dccp_write_xmit+0x138/0x220
[ 103.522539][ C0] dccp_sendmsg+0x76b/0xbb0
[ 103.522567][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 103.522586][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 103.522608][ C0] ? inet_sendmsg+0x330/0x390
[ 103.522629][ C0] __sock_sendmsg+0x1a6/0x270
[ 103.522653][ C0] sock_write_iter+0x2d9/0x3f0
[ 103.522676][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 103.522694][ C0] ? do_raw_spin_lock+0x151/0x370
[ 103.522730][ C0] ? bpf_lsm_file_permission+0x9/0x10
[ 103.522758][ C0] vfs_write+0x70f/0xd10
[ 103.522786][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 103.522810][ C0] ? __pfx_vfs_write+0x10/0x10
[ 103.522834][ C0] ? __fget_files+0x2a/0x420
[ 103.522855][ C0] ? __fget_files+0x2a/0x420
[ 103.522880][ C0] ksys_write+0x19d/0x2d0
[ 103.522904][ C0] ? __pfx_ksys_write+0x10/0x10
[ 103.522931][ C0] ? do_syscall_64+0xb6/0x230
[ 103.522957][ C0] do_syscall_64+0xf3/0x230
[ 103.522980][ C0] ? clear_bhb_loop+0x45/0xa0
[ 103.523002][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 103.523020][ C0] RIP: 0033:0x449cf9
[ 103.523037][ 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
[ 103.523059][ C0] RSP: 002b:00007ffa898c20e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 103.523080][ C0] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9
[ 103.523093][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 103.523104][ C0] RBP: 00007ffa898c2674 R08: 0000000000000000 R09: 0000000000000000
[ 103.523116][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 103.523127][ C0] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 103.523155][ C0]
[ 103.523847][ 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()
[ 104.100808][ C0] CPU: 0 UID: 0 PID: 6187 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 104.100833][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 104.100843][ C0] Call Trace:
[ 104.100850][ C0]
[ 104.100857][ C0] dump_stack_lvl+0x241/0x360
[ 104.100889][ C0] ? __pfx_dump_stack_lvl+0x10/0x10
[ 104.100914][ C0] ? __pfx__printk+0x10/0x10
[ 104.100940][ C0] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 104.100974][ C0] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 104.100995][ C0] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 104.101027][ C0] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 104.101055][ C0] dccp_rcv_established+0x1bb/0x320
[ 104.101088][ C0] dccp_v4_do_rcv+0xff/0x1f0
[ 104.101107][ C0] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 104.101133][ C0] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 104.101148][ C0] __sk_receive_skb+0x82b/0x8b0
[ 104.101176][ C0] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 104.101193][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 104.101217][ C0] ip_protocol_deliver_rcu+0x2e9/0x450
[ 104.101243][ C0] ? ip_local_deliver_finish+0x230/0x600
[ 104.101265][ C0] ip_local_deliver_finish+0x343/0x600
[ 104.101297][ C0] NF_HOOK+0x3a0/0x450
[ 104.101322][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 104.101345][ C0] ? NF_HOOK+0x9e/0x450
[ 104.101367][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 104.101400][ C0] ? ip_rcv_finish+0x409/0x560
[ 104.101427][ C0] NF_HOOK+0x3a0/0x450
[ 104.101452][ C0] ? __pfx_ip_rcv_finish+0x10/0x10
[ 104.101474][ C0] ? NF_HOOK+0x9e/0x450
[ 104.101495][ C0] ? __pfx_NF_HOOK+0x10/0x10
[ 104.101516][ C0] ? ip_rcv_core+0x80c/0xd20
[ 104.101552][ C0] ? __pfx_ip_rcv+0x10/0x10
[ 104.101576][ C0] __netif_receive_skb+0x2c9/0x670
[ 104.101608][ C0] ? __pfx___netif_receive_skb+0x10/0x10
[ 104.101654][ C0] process_backlog+0x664/0x15c0
[ 104.101686][ C0] ? process_backlog+0x33d/0x15c0
[ 104.101729][ C0] ? __pfx_process_backlog+0x10/0x10
[ 104.101766][ C0] __napi_poll+0xcb/0x480
[ 104.101795][ C0] net_rx_action+0x89d/0x1240
[ 104.101843][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 104.101871][ C0] ? sched_clock+0x4a/0x70
[ 104.101910][ C0] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 104.101942][ C0] handle_softirqs+0x2d6/0x9b0
[ 104.101968][ C0] ? do_softirq+0x11f/0x1e0
[ 104.101988][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 104.102016][ C0] do_softirq+0x11f/0x1e0
[ 104.102031][ C0]
[ 104.102037][ C0]
[ 104.102045][ C0] ? __pfx_do_softirq+0x10/0x10
[ 104.102061][ C0] ? rcu_is_watching+0x15/0xb0
[ 104.102088][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 104.102110][ C0] ? lockdep_softirqs_on+0x144/0x1d0
[ 104.102132][ C0] __local_bh_enable_ip+0x1be/0x200
[ 104.102152][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 104.102172][ C0] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 104.102195][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 104.102214][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 104.102237][ C0] __dev_queue_xmit+0x1780/0x3f60
[ 104.102274][ C0] ? __dev_queue_xmit+0x2f9/0x3f60
[ 104.102299][ C0] ? __pfx___dev_queue_xmit+0x10/0x10
[ 104.102320][ C0] ? __lock_acquire+0xad5/0xd80
[ 104.102351][ C0] ? __lock_acquire+0xad5/0xd80
[ 104.102373][ C0] ? __lock_acquire+0xad5/0xd80
[ 104.102411][ C0] ? ip_finish_output2+0x947/0x12e0
[ 104.102434][ C0] ip_finish_output2+0xcd2/0x12e0
[ 104.102453][ C0] ? ip_finish_output2+0x43d/0x12e0
[ 104.102475][ C0] ? __pfx_ip_finish_output2+0x10/0x10
[ 104.102495][ C0] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 104.102509][ C0] ? ip_skb_dst_mtu+0x147/0xbc0
[ 104.102528][ C0] ? __ip_finish_output+0x34c/0x400
[ 104.102551][ C0] __ip_queue_xmit+0x1042/0x1960
[ 104.102574][ C0] ? __ip_queue_xmit+0x62/0x1960
[ 104.102597][ C0] dccp_transmit_skb+0xf49/0x16e0
[ 104.102634][ C0] dccp_xmit_packet+0x35a/0x600
[ 104.102658][ C0] dccp_write_xmit+0x138/0x220
[ 104.102683][ C0] dccp_sendmsg+0x76b/0xbb0
[ 104.102720][ C0] ? __pfx_dccp_sendmsg+0x10/0x10
[ 104.102740][ C0] ? sock_rps_record_flow+0x1a/0x410
[ 104.102763][ C0] ? inet_sendmsg+0x330/0x390
[ 104.102785][ C0] __sock_sendmsg+0x1a6/0x270
[ 104.102811][ C0] sock_write_iter+0x2d9/0x3f0
[ 104.102835][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 104.102854][ C0] ? do_raw_spin_lock+0x151/0x370
[ 104.102888][ C0] ? bpf_lsm_file_permission+0x9/0x10
[ 104.102917][ C0] vfs_write+0x70f/0xd10
[ 104.102945][ C0] ? __pfx_sock_write_iter+0x10/0x10
[ 104.102968][ C0] ? __pfx_vfs_write+0x10/0x10
[ 104.102993][ C0] ? __fget_files+0x2a/0x420
[ 104.103014][ C0] ? __fget_files+0x2a/0x420
[ 104.103041][ C0] ksys_write+0x19d/0x2d0
[ 104.103065][ C0] ? __pfx_ksys_write+0x10/0x10
[ 104.103089][ C0] ? do_syscall_64+0xb6/0x230
[ 104.103112][ C0] do_syscall_64+0xf3/0x230
[ 104.103132][ C0] ? clear_bhb_loop+0x45/0xa0
[ 104.103151][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.103167][ C0] RIP: 0033:0x449cf9
[ 104.103181][ 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
[ 104.103195][ C0] RSP: 002b:00007f3794a750e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 104.103214][ C0] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9
[ 104.103225][ C0] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
[ 104.103236][ C0] RBP: 00007f3794a75674 R08: 0000000000000000 R09: 0000000000000000
[ 104.103246][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 104.103257][ C0] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 104.103285][ C0]
[ 105.009513][ 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()
[ 105.023524][ C1] CPU: 1 UID: 0 PID: 6336 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g3b07108ada81 #0 PREEMPT(full)
[ 105.023538][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 105.023544][ C1] Call Trace:
[ 105.023548][ C1]
[ 105.023552][ C1] dump_stack_lvl+0x241/0x360
[ 105.023572][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 105.023586][ C1] ? __pfx__printk+0x10/0x10
[ 105.023600][ C1] ? tfrc_rx_handle_loss+0xc32/0x1880
[ 105.023619][ C1] tfrc_rx_hist_sample_rtt+0x399/0x4b0
[ 105.023631][ C1] ccid3_hc_rx_packet_recv+0x6be/0xe90
[ 105.023654][ C1] ? __pfx_ccid3_hc_rx_packet_recv+0x10/0x10
[ 105.023668][ C1] dccp_rcv_established+0x1bb/0x320
[ 105.023685][ C1] dccp_v4_do_rcv+0xff/0x1f0
[ 105.023695][ C1] ? ip_protocol_deliver_rcu+0x2e9/0x450
[ 105.023708][ C1] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 105.023717][ C1] __sk_receive_skb+0x82b/0x8b0
[ 105.023733][ C1] ? __pfx_dccp_v4_rcv+0x10/0x10
[ 105.023742][ C1] ? __pfx_tcp_v4_rcv+0x10/0x10
[ 105.023755][ C1] ip_protocol_deliver_rcu+0x2e9/0x450
[ 105.023768][ C1] ? ip_local_deliver_finish+0x230/0x600
[ 105.023780][ C1] ip_local_deliver_finish+0x343/0x600
[ 105.023796][ C1] NF_HOOK+0x3a0/0x450
[ 105.023808][ C1] ? __pfx_ip_local_deliver_finish+0x10/0x10
[ 105.023820][ C1] ? NF_HOOK+0x9e/0x450
[ 105.023834][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 105.023865][ C1] ? ip_rcv_finish+0x409/0x560
[ 105.023895][ C1] NF_HOOK+0x3a0/0x450
[ 105.023919][ C1] ? __pfx_ip_rcv_finish+0x10/0x10
[ 105.023942][ C1] ? NF_HOOK+0x9e/0x450
[ 105.023962][ C1] ? __pfx_NF_HOOK+0x10/0x10
[ 105.023982][ C1] ? ip_rcv_core+0x80c/0xd20
[ 105.024016][ C1] ? __pfx_ip_rcv+0x10/0x10
[ 105.024041][ C1] __netif_receive_skb+0x2c9/0x670
[ 105.024072][ C1] ? __pfx___netif_receive_skb+0x10/0x10
[ 105.024117][ C1] process_backlog+0x664/0x15c0
[ 105.024136][ C1] ? process_backlog+0x33d/0x15c0
[ 105.024153][ C1] ? __pfx_process_backlog+0x10/0x10
[ 105.024168][ C1] ? xdp_do_check_flushed+0x217/0x240
[ 105.024184][ C1] __napi_poll+0xcb/0x480
[ 105.024198][ C1] net_rx_action+0x89d/0x1240
[ 105.024223][ C1] ? __pfx_net_rx_action+0x10/0x10
[ 105.024238][ C1] ? sched_clock+0x4a/0x70
[ 105.024258][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 105.024275][ C1] handle_softirqs+0x2d6/0x9b0
[ 105.024290][ C1] ? do_softirq+0x11f/0x1e0
[ 105.024300][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 105.024315][ C1] do_softirq+0x11f/0x1e0
[ 105.024323][ C1]
[ 105.024327][ C1]
[ 105.024331][ C1] ? __pfx_do_softirq+0x10/0x10
[ 105.024339][ C1] ? rcu_is_watching+0x15/0xb0
[ 105.024352][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 105.024365][ C1] ? lockdep_softirqs_on+0x144/0x1d0
[ 105.024377][ C1] __local_bh_enable_ip+0x1be/0x200
[ 105.024395][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 105.024414][ C1] ? __pfx___local_bh_enable_ip+0x10/0x10
[ 105.024437][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 105.024455][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 105.024467][ C1] __dev_queue_xmit+0x1780/0x3f60
[ 105.024485][ C1] ? __dev_queue_xmit+0x2f9/0x3f60
[ 105.024497][ C1] ? __pfx___dev_queue_xmit+0x10/0x10
[ 105.024507][ C1] ? __lock_acquire+0xad5/0xd80
[ 105.024523][ C1] ? __lock_acquire+0xad5/0xd80
[ 105.024534][ C1] ? __lock_acquire+0xad5/0xd80
[ 105.024552][ C1] ? ip_finish_output2+0x947/0x12e0
[ 105.024565][ C1] ip_finish_output2+0xcd2/0x12e0
[ 105.024576][ C1] ? ip_finish_output2+0x43d/0x12e0
[ 105.024590][ C1] ? __pfx_ip_finish_output2+0x10/0x10
[ 105.024600][ C1] ? ip_skb_dst_mtu+0x8b5/0xbc0
[ 105.024607][ C1] ? ip_skb_dst_mtu+0x147/0xbc0
[ 105.024618][ C1] ? __ip_finish_output+0x34c/0x400
[ 105.024629][ C1] __ip_queue_xmit+0x1042/0x1960
[ 105.024647][ C1] ? __ip_queue_xmit+0x62/0x1960
[ 105.024659][ C1] dccp_transmit_skb+0xf49/0x16e0
[ 105.024677][ C1] dccp_xmit_packet+0x35a/0x600
[ 105.024689][ C1] dccp_write_xmit+0x138/0x220
[ 105.024701][ C1] dccp_sendmsg+0x76b/0xbb0
[ 105.024716][ C1] ? __pfx_dccp_sendmsg+0x10/0x10
[ 105.024726][ C1] ? sock_rps_record_flow+0x1a/0x410
[ 105.024739][ C1] ? inet_sendmsg+0x330/0x390
[ 105.024751][ C1] __sock_sendmsg+0x1a6/0x270
[ 105.024766][ C1] sock_write_iter+0x2d9/0x3f0
[ 105.024778][ C1] ? __pfx_sock_write_iter+0x10/0x10
[ 105.024788][ C1] ? do_raw_spin_lock+0x151/0x370
[ 105.024807][ C1] ? bpf_lsm_file_permission+0x9/0x10
[ 105.024822][ C1] vfs_write+0x70f/0xd10
[ 105.024837][ C1] ? __pfx_sock_write_iter+0x10/0x10
[ 105.024849][ C1] ? __pfx_vfs_write+0x10/0x10
[ 105.024861][ C1] ? __fget_files+0x2a/0x420
[ 105.024872][ C1] ? __fget_files+0x2a/0x420
[ 105.024885][ C1] ksys_write+0x19d/0x2d0
[ 105.024899][ C1] ? __pfx_ksys_write+0x10/0x10
[ 105.024912][ C1] ? do_syscall_64+0xb6/0x230
[ 105.024925][ C1] do_syscall_64+0xf3/0x230
[ 105.024937][ C1] ? clear_bhb_loop+0x45/0xa0
[ 105.024949][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 105.024960][ C1] RIP: 0033:0x449cf9
[ 105.024976][ 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
[ 105.024990][ C1] RSP: 002b:00007f2e2c61b0e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[ 105.025010][ C1] RAX: ffffffffffffffda RBX: 0000000000538190 RCX: 0000000000449cf9
[ 105.025022][ C1] RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
2025/04/10 10:37:56 executed programs: 106
[ 105.025034][ C1] RBP: 00007f2e2c61b674 R08: 0000000000000000 R09: 0000000000000000
[ 105.025045][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000ffffffff
[ 105.025056][ C1] R13: 000000000000061c R14: 00000000004d73a0 R15: 0000000000495546
[ 105.025073][ C1]
[ 105.587748][ T6340] __nla_validate_parse: 87 callbacks suppressed
[ 105.587766][ T6340] netlink: 2 bytes leftover after parsing attributes in process `syz-executor'.