Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 39.715297] can: request_module (can-proto-0) failed. [ 39.718289] can: request_module (can-proto-0) failed. [ 40.489305] audit: type=1400 audit(1604717856.470:8): avc: denied { sys_admin } for pid=2888 comm="syz-executor0" capability=21 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 [ 40.511236] audit: type=1400 audit(1604717856.493:9): avc: denied { sys_chroot } for pid=3049 comm="syz-executor0" capability=18 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 Warning: Permanently added '10.128.10.47' (ECDSA) to the list of known hosts. 2020/11/07 02:57:42 parsed 1 programs 2020/11/07 02:57:42 executed programs: 0 [ 48.003257] audit: type=1400 audit(1604717863.987:10): avc: denied { create } for pid=4023 comm="syz-executor2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 48.043799] audit: type=1400 audit(1604717864.010:11): avc: denied { name_bind } for pid=4023 comm="syz-executor2" src=20008 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 48.075727] dccp_close: ABORT with 24 bytes unread [ 48.084980] dccp_close: ABORT with 24 bytes unread [ 48.085820] dccp_close: ABORT with 24 bytes unread [ 48.105272] audit: type=1400 audit(1604717864.010:12): avc: denied { node_bind } for pid=4023 comm="syz-executor2" src=20008 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 [ 48.133861] audit: type=1400 audit(1604717864.014:13): avc: denied { name_connect } for pid=4023 comm="syz-executor2" dest=20008 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 48.144482] dccp_close: ABORT with 24 bytes unread [ 48.157365] dccp_close: ABORT with 24 bytes unread [ 48.165381] dccp_close: ABORT with 24 bytes unread [ 48.165854] audit: type=1400 audit(1604717864.021:14): avc: denied { write } for pid=4023 comm="syz-executor2" path="socket:[16012]" dev="sockfs" ino=16012 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 48.196678] dccp_close: ABORT with 24 bytes unread [ 48.198564] dccp_close: ABORT with 24 bytes unread [ 48.214012] dccp_close: ABORT with 24 bytes unread [ 48.219827] dccp_close: ABORT with 24 bytes unread [ 48.261224] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 48.274642] CPU: 0 PID: 4124 Comm: syz-executor3 Not tainted 5.10.0-rc2-syzkaller #0 [ 48.282620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.292005] Call Trace: [ 48.294567] [ 48.296701] dump_stack+0xa9/0xd1 [ 48.300136] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 48.305317] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 48.309977] dccp_deliver_input_to_ccids+0x31/0x70 [ 48.314900] dccp_rcv_established+0x49/0x70 [ 48.319211] dccp_v4_do_rcv+0x3b/0x60 [ 48.322995] __sk_receive_skb+0xcc/0x2b0 [ 48.327041] dccp_v4_rcv+0x44b/0x820 [ 48.330753] ip_protocol_deliver_rcu+0x224/0x270 [ 48.335491] ip_local_deliver_finish+0x8d/0x130 [ 48.340137] ip_local_deliver+0x184/0x220 [ 48.344265] ? ip_protocol_deliver_rcu+0x270/0x270 [ 48.349200] ip_rcv_finish+0x3d/0x60 [ 48.352912] ip_rcv+0x162/0x210 [ 48.356175] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 48.361343] ? process_backlog+0xb1/0x2d0 [ 48.365468] __netif_receive_skb_one_core+0x81/0x90 [ 48.370462] __netif_receive_skb+0x13/0x60 [ 48.374673] process_backlog+0x122/0x2d0 [ 48.378718] net_rx_action+0x17d/0x4b0 [ 48.382620] __do_softirq+0xdc/0x452 [ 48.386319] ? ip_finish_output2+0x22b/0xa10 [ 48.390706] asm_call_irq_on_stack+0x12/0x20 [ 48.395106] [ 48.397320] do_softirq_own_stack+0x5c/0x70 [ 48.401618] do_softirq.part.21+0x81/0xa0 [ 48.405742] __local_bh_enable_ip+0x10a/0x110 [ 48.410216] ip_finish_output2+0x24f/0xa10 [ 48.414435] __ip_finish_output+0x11e/0x340 [ 48.418742] ? __ip_finish_output+0x11e/0x340 [ 48.423219] ? ip_output+0x184/0x260 [ 48.426992] ip_finish_output+0x27/0xa0 [ 48.431006] ip_output+0x79/0x260 [ 48.434446] ? __ip_finish_output+0x340/0x340 [ 48.438921] ip_local_out+0x3a/0x60 [ 48.442530] __ip_queue_xmit+0x1e4/0x600 [ 48.446577] ip_queue_xmit+0x10/0x20 [ 48.450266] dccp_transmit_skb+0x26e/0x420 [ 48.454486] dccp_xmit_packet+0x70/0x170 [ 48.458529] dccp_write_xmit+0x8d/0xb0 [ 48.462396] dccp_sendmsg+0x225/0x3a0 [ 48.466180] inet_sendmsg+0x5f/0x70 [ 48.469787] sock_sendmsg+0x57/0x60 [ 48.473391] ____sys_sendmsg+0x1fc/0x270 [ 48.477427] ? copy_msghdr_from_user+0x5b/0x90 [ 48.481997] ___sys_sendmsg+0x77/0xb0 [ 48.485790] ? find_held_lock+0x35/0xa0 [ 48.489743] ? __fget_files+0xe0/0x1e0 [ 48.493619] ? __fget_files+0xff/0x1e0 [ 48.497486] ? __fget_light+0x5e/0x70 [ 48.501268] __sys_sendmsg+0x5d/0xb0 [ 48.504969] ? do_syscall_64+0x13/0x80 [ 48.508843] __x64_sys_sendmsg+0x1a/0x20 [ 48.512885] do_syscall_64+0x37/0x80 [ 48.516594] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.521760] RIP: 0033:0x453009 [ 48.524930] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.543813] RSP: 002b:00007f0a6feaac58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 48.551496] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 48.558742] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 48.566875] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 48.574121] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 48.581626] R13: 00000000ffffffff R14: 00007f0a6feab6d4 R15: 0000000000000002 [ 49.020972] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 49.034202] CPU: 1 PID: 4393 Comm: syz-executor Not tainted 5.10.0-rc2-syzkaller #0 [ 49.041991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.051347] Call Trace: [ 49.053929] [ 49.056073] dump_stack+0xa9/0xd1 [ 49.059521] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 49.064696] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 49.069356] dccp_deliver_input_to_ccids+0x31/0x70 [ 49.074271] dccp_rcv_established+0x49/0x70 [ 49.078589] dccp_v4_do_rcv+0x3b/0x60 [ 49.082384] __sk_receive_skb+0xcc/0x2b0 [ 49.086443] dccp_v4_rcv+0x44b/0x820 [ 49.090173] ip_protocol_deliver_rcu+0x224/0x270 [ 49.094932] ip_local_deliver_finish+0x8d/0x130 [ 49.099599] ip_local_deliver+0x184/0x220 [ 49.103743] ? ip_protocol_deliver_rcu+0x270/0x270 [ 49.108739] ip_rcv_finish+0x3d/0x60 [ 49.112444] ip_rcv+0x162/0x210 [ 49.115720] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 49.120900] ? process_backlog+0xb1/0x2d0 [ 49.125048] __netif_receive_skb_one_core+0x81/0x90 [ 49.130053] __netif_receive_skb+0x13/0x60 [ 49.134341] process_backlog+0x122/0x2d0 [ 49.138393] net_rx_action+0x17d/0x4b0 [ 49.142289] __do_softirq+0xdc/0x452 [ 49.146010] ? ip_finish_output2+0x22b/0xa10 [ 49.150411] asm_call_irq_on_stack+0x12/0x20 [ 49.154806] [ 49.157025] do_softirq_own_stack+0x5c/0x70 [ 49.161765] do_softirq.part.21+0x81/0xa0 [ 49.165903] __local_bh_enable_ip+0x10a/0x110 [ 49.170381] ip_finish_output2+0x24f/0xa10 [ 49.174600] __ip_finish_output+0x11e/0x340 [ 49.178947] ? __ip_finish_output+0x11e/0x340 [ 49.183414] ? ip_output+0x184/0x260 [ 49.187107] ip_finish_output+0x27/0xa0 [ 49.191059] ip_output+0x79/0x260 [ 49.194493] ? __ip_finish_output+0x340/0x340 [ 49.198966] ip_local_out+0x3a/0x60 [ 49.202595] __ip_queue_xmit+0x1e4/0x600 [ 49.206638] ip_queue_xmit+0x10/0x20 [ 49.210324] dccp_transmit_skb+0x26e/0x420 [ 49.214536] dccp_xmit_packet+0x70/0x170 [ 49.218573] dccp_write_xmit+0x8d/0xb0 [ 49.222437] dccp_sendmsg+0x225/0x3a0 [ 49.226218] inet_sendmsg+0x5f/0x70 [ 49.229821] sock_sendmsg+0x57/0x60 [ 49.233442] ____sys_sendmsg+0x1fc/0x270 [ 49.237477] ? copy_msghdr_from_user+0x5b/0x90 [ 49.242053] ___sys_sendmsg+0x77/0xb0 [ 49.245866] ? find_held_lock+0x35/0xa0 [ 49.249819] ? __fget_files+0xe0/0x1e0 [ 49.253692] ? __fget_files+0xff/0x1e0 [ 49.257565] ? __fget_light+0x5e/0x70 [ 49.261403] __sys_sendmsg+0x5d/0xb0 [ 49.265099] ? do_syscall_64+0x13/0x80 [ 49.268966] __x64_sys_sendmsg+0x1a/0x20 [ 49.273118] do_syscall_64+0x37/0x80 [ 49.276812] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.281986] RIP: 0033:0x453009 [ 49.285153] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.304049] RSP: 002b:00007fae0f6acc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 49.311730] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 49.318976] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 49.326218] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 49.333477] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 49.340724] R13: 00000000ffffffff R14: 00007fae0f6ad6d4 R15: 0000000000000002 [ 49.405174] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 49.418442] CPU: 1 PID: 4473 Comm: syz-executor4 Not tainted 5.10.0-rc2-syzkaller #0 [ 49.426318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.435672] Call Trace: [ 49.438249] [ 49.440388] dump_stack+0xa9/0xd1 [ 49.443836] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 49.449025] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 49.453686] dccp_deliver_input_to_ccids+0x31/0x70 [ 49.458603] dccp_rcv_established+0x49/0x70 [ 49.462913] dccp_v4_do_rcv+0x3b/0x60 [ 49.466710] __sk_receive_skb+0xcc/0x2b0 [ 49.470772] dccp_v4_rcv+0x44b/0x820 [ 49.474496] ip_protocol_deliver_rcu+0x224/0x270 [ 49.479247] ip_local_deliver_finish+0x8d/0x130 [ 49.484009] ip_local_deliver+0x184/0x220 [ 49.488146] ? ip_protocol_deliver_rcu+0x270/0x270 [ 49.493067] ip_rcv_finish+0x3d/0x60 [ 49.496769] ip_rcv+0x162/0x210 [ 49.500038] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 49.505216] ? process_backlog+0xb1/0x2d0 [ 49.509356] __netif_receive_skb_one_core+0x81/0x90 [ 49.514360] __netif_receive_skb+0x13/0x60 [ 49.518585] process_backlog+0x122/0x2d0 [ 49.522655] net_rx_action+0x17d/0x4b0 [ 49.526559] __do_softirq+0xdc/0x452 [ 49.530273] ? ip_finish_output2+0x22b/0xa10 [ 49.534676] asm_call_irq_on_stack+0x12/0x20 [ 49.539071] [ 49.541299] do_softirq_own_stack+0x5c/0x70 [ 49.545616] do_softirq.part.21+0x81/0xa0 [ 49.549872] __local_bh_enable_ip+0x10a/0x110 [ 49.554353] ip_finish_output2+0x24f/0xa10 [ 49.558652] __ip_finish_output+0x11e/0x340 [ 49.562949] ? __ip_finish_output+0x11e/0x340 [ 49.567416] ? ip_output+0x184/0x260 [ 49.571109] ip_finish_output+0x27/0xa0 [ 49.575061] ip_output+0x79/0x260 [ 49.578492] ? __ip_finish_output+0x340/0x340 [ 49.582965] ip_local_out+0x3a/0x60 [ 49.586569] __ip_queue_xmit+0x1e4/0x600 [ 49.590612] ip_queue_xmit+0x10/0x20 [ 49.594303] dccp_transmit_skb+0x26e/0x420 [ 49.598545] dccp_xmit_packet+0x70/0x170 [ 49.602588] dccp_write_xmit+0x8d/0xb0 [ 49.606454] dccp_sendmsg+0x225/0x3a0 [ 49.610239] inet_sendmsg+0x5f/0x70 [ 49.613844] sock_sendmsg+0x57/0x60 [ 49.617497] ____sys_sendmsg+0x1fc/0x270 [ 49.621533] ? copy_msghdr_from_user+0x5b/0x90 [ 49.626127] ___sys_sendmsg+0x77/0xb0 [ 49.629910] ? find_held_lock+0x35/0xa0 [ 49.633863] ? __fget_files+0xe0/0x1e0 [ 49.637732] ? __fget_files+0xff/0x1e0 [ 49.641601] ? __fget_light+0x5e/0x70 [ 49.645379] __sys_sendmsg+0x5d/0xb0 [ 49.649074] ? do_syscall_64+0x13/0x80 [ 49.652940] __x64_sys_sendmsg+0x1a/0x20 [ 49.656976] do_syscall_64+0x37/0x80 [ 49.660667] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.665830] RIP: 0033:0x453009 [ 49.668997] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.687876] RSP: 002b:00007f7652716c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 49.696091] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 49.703336] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 49.710582] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 49.717830] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 49.725073] R13: 00000000ffffffff R14: 00007f76527176d4 R15: 0000000000000002 [ 49.839654] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 49.852903] CPU: 0 PID: 4574 Comm: syz-executor2 Not tainted 5.10.0-rc2-syzkaller #0 [ 49.860763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.870182] Call Trace: [ 49.872740] [ 49.874873] dump_stack+0xa9/0xd1 [ 49.878307] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 49.883476] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 49.888128] dccp_deliver_input_to_ccids+0x31/0x70 [ 49.893036] dccp_rcv_established+0x49/0x70 [ 49.897334] dccp_v4_do_rcv+0x3b/0x60 [ 49.901111] __sk_receive_skb+0xcc/0x2b0 [ 49.905154] dccp_v4_rcv+0x44b/0x820 [ 49.908852] ip_protocol_deliver_rcu+0x224/0x270 [ 49.913588] ip_local_deliver_finish+0x8d/0x130 [ 49.918254] ip_local_deliver+0x184/0x220 [ 49.922382] ? ip_protocol_deliver_rcu+0x270/0x270 [ 49.927293] ip_rcv_finish+0x3d/0x60 [ 49.930984] ip_rcv+0x162/0x210 [ 49.934243] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 49.939411] ? process_backlog+0xb1/0x2d0 [ 49.944231] __netif_receive_skb_one_core+0x81/0x90 [ 49.949244] __netif_receive_skb+0x13/0x60 [ 49.953458] process_backlog+0x122/0x2d0 [ 49.957501] net_rx_action+0x17d/0x4b0 [ 49.961376] __do_softirq+0xdc/0x452 [ 49.965069] ? ip_finish_output2+0x22b/0xa10 [ 49.969467] asm_call_irq_on_stack+0x12/0x20 [ 49.973866] [ 49.976080] do_softirq_own_stack+0x5c/0x70 [ 49.980381] do_softirq.part.21+0x81/0xa0 [ 49.984504] __local_bh_enable_ip+0x10a/0x110 [ 49.988977] ip_finish_output2+0x24f/0xa10 [ 49.993212] __ip_finish_output+0x11e/0x340 [ 49.997508] ? __ip_finish_output+0x11e/0x340 [ 50.001995] ? ip_output+0x184/0x260 [ 50.005719] ip_finish_output+0x27/0xa0 [ 50.009677] ip_output+0x79/0x260 [ 50.013112] ? __ip_finish_output+0x340/0x340 [ 50.017589] ip_local_out+0x3a/0x60 [ 50.021195] __ip_queue_xmit+0x1e4/0x600 [ 50.025244] ip_queue_xmit+0x10/0x20 [ 50.028938] dccp_transmit_skb+0x26e/0x420 [ 50.033153] dccp_xmit_packet+0x70/0x170 [ 50.039189] dccp_write_xmit+0x8d/0xb0 [ 50.043053] dccp_sendmsg+0x225/0x3a0 [ 50.046841] inet_sendmsg+0x5f/0x70 [ 50.050448] sock_sendmsg+0x57/0x60 [ 50.054052] ____sys_sendmsg+0x1fc/0x270 [ 50.058089] ? copy_msghdr_from_user+0x5b/0x90 [ 50.062658] ___sys_sendmsg+0x77/0xb0 [ 50.066458] ? find_held_lock+0x35/0xa0 [ 50.070413] ? __fget_files+0xe0/0x1e0 [ 50.074287] ? __fget_files+0xff/0x1e0 [ 50.078153] ? __fget_light+0x5e/0x70 [ 50.081939] __sys_sendmsg+0x5d/0xb0 [ 50.085666] ? do_syscall_64+0x13/0x80 [ 50.089540] __x64_sys_sendmsg+0x1a/0x20 [ 50.093579] do_syscall_64+0x37/0x80 [ 50.097272] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.102437] RIP: 0033:0x453009 [ 50.105607] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.124485] RSP: 002b:00007f27e4744c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 50.132267] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 50.139514] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 50.146760] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 50.154006] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 50.161255] R13: 00000000ffffffff R14: 00007f27e47456d4 R15: 0000000000000002 [ 50.292791] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 50.306058] CPU: 0 PID: 4649 Comm: syz-executor2 Not tainted 5.10.0-rc2-syzkaller #0 [ 50.313930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.323286] Call Trace: [ 50.325860] [ 50.328003] dump_stack+0xa9/0xd1 [ 50.331446] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 50.336621] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 50.341297] dccp_deliver_input_to_ccids+0x31/0x70 [ 50.346223] dccp_rcv_established+0x49/0x70 [ 50.350537] dccp_v4_do_rcv+0x3b/0x60 [ 50.354337] __sk_receive_skb+0xcc/0x2b0 [ 50.358396] dccp_v4_rcv+0x44b/0x820 [ 50.362109] ip_protocol_deliver_rcu+0x224/0x270 [ 50.366872] ip_local_deliver_finish+0x8d/0x130 [ 50.371545] ip_local_deliver+0x184/0x220 [ 50.375702] ? ip_protocol_deliver_rcu+0x270/0x270 [ 50.380717] ip_rcv_finish+0x3d/0x60 [ 50.384429] ip_rcv+0x162/0x210 [ 50.387718] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 50.392904] ? process_backlog+0xb1/0x2d0 [ 50.397048] __netif_receive_skb_one_core+0x81/0x90 [ 50.402183] __netif_receive_skb+0x13/0x60 [ 50.406425] process_backlog+0x122/0x2d0 [ 50.410494] net_rx_action+0x17d/0x4b0 [ 50.414391] __do_softirq+0xdc/0x452 [ 50.418109] ? ip_finish_output2+0x22b/0xa10 [ 50.422518] asm_call_irq_on_stack+0x12/0x20 [ 50.426917] [ 50.429153] do_softirq_own_stack+0x5c/0x70 [ 50.433489] do_softirq.part.21+0x81/0xa0 [ 50.437626] __local_bh_enable_ip+0x10a/0x110 [ 50.442123] ip_finish_output2+0x24f/0xa10 [ 50.446367] __ip_finish_output+0x11e/0x340 [ 50.450667] ? __ip_finish_output+0x11e/0x340 [ 50.455137] ? ip_output+0x184/0x260 [ 50.458833] ip_finish_output+0x27/0xa0 [ 50.462794] ip_output+0x79/0x260 [ 50.466243] ? __ip_finish_output+0x340/0x340 [ 50.470738] ip_local_out+0x3a/0x60 [ 50.474344] __ip_queue_xmit+0x1e4/0x600 [ 50.478394] ip_queue_xmit+0x10/0x20 [ 50.482086] dccp_transmit_skb+0x26e/0x420 [ 50.486299] dccp_xmit_packet+0x70/0x170 [ 50.490337] dccp_write_xmit+0x8d/0xb0 [ 50.494201] dccp_sendmsg+0x225/0x3a0 [ 50.497985] inet_sendmsg+0x5f/0x70 [ 50.501591] sock_sendmsg+0x57/0x60 [ 50.505218] ____sys_sendmsg+0x1fc/0x270 [ 50.509257] ? copy_msghdr_from_user+0x5b/0x90 [ 50.513831] ___sys_sendmsg+0x77/0xb0 [ 50.517612] ? find_held_lock+0x35/0xa0 [ 50.521586] ? __fget_files+0xe0/0x1e0 [ 50.525481] ? __fget_files+0xff/0x1e0 [ 50.529349] ? __fget_light+0x5e/0x70 [ 50.533125] __sys_sendmsg+0x5d/0xb0 [ 50.536819] ? do_syscall_64+0x13/0x80 [ 50.540690] __x64_sys_sendmsg+0x1a/0x20 [ 50.544735] do_syscall_64+0x37/0x80 [ 50.548442] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.553605] RIP: 0033:0x453009 [ 50.556775] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.575650] RSP: 002b:00007f27e4744c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 50.583331] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 50.590578] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 50.597838] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 50.605083] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 50.612328] R13: 00000000ffffffff R14: 00007f27e47456d4 R15: 0000000000000002 [ 51.202917] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 51.216173] CPU: 0 PID: 5052 Comm: syz-executor Not tainted 5.10.0-rc2-syzkaller #0 [ 51.223964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.233315] Call Trace: [ 51.235904] [ 51.238063] dump_stack+0xa9/0xd1 [ 51.241513] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 51.246703] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 51.251377] dccp_deliver_input_to_ccids+0x31/0x70 [ 51.256309] dccp_rcv_established+0x49/0x70 [ 51.260633] dccp_v4_do_rcv+0x3b/0x60 [ 51.264424] __sk_receive_skb+0xcc/0x2b0 [ 51.268471] dccp_v4_rcv+0x44b/0x820 [ 51.272196] ip_protocol_deliver_rcu+0x224/0x270 [ 51.276957] ip_local_deliver_finish+0x8d/0x130 [ 51.281622] ip_local_deliver+0x184/0x220 [ 51.285769] ? ip_protocol_deliver_rcu+0x270/0x270 [ 51.290704] ip_rcv_finish+0x3d/0x60 [ 51.294414] ip_rcv+0x162/0x210 [ 51.297698] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 51.302884] ? process_backlog+0xb1/0x2d0 [ 51.307026] __netif_receive_skb_one_core+0x81/0x90 [ 51.312038] __netif_receive_skb+0x13/0x60 [ 51.316361] process_backlog+0x122/0x2d0 [ 51.320418] net_rx_action+0x17d/0x4b0 [ 51.324314] __do_softirq+0xdc/0x452 [ 51.328036] ? ip_finish_output2+0x22b/0xa10 [ 51.332443] asm_call_irq_on_stack+0x12/0x20 [ 51.336832] [ 51.339061] do_softirq_own_stack+0x5c/0x70 [ 51.343386] do_softirq.part.21+0x81/0xa0 [ 51.347534] __local_bh_enable_ip+0x10a/0x110 [ 51.352023] ip_finish_output2+0x24f/0xa10 [ 51.356270] __ip_finish_output+0x11e/0x340 [ 51.360588] ? __ip_finish_output+0x11e/0x340 [ 51.365071] ? ip_output+0x184/0x260 [ 51.368778] ip_finish_output+0x27/0xa0 [ 51.372731] ip_output+0x79/0x260 [ 51.376163] ? __ip_finish_output+0x340/0x340 [ 51.380641] ip_local_out+0x3a/0x60 [ 51.384245] __ip_queue_xmit+0x1e4/0x600 [ 51.388288] ip_queue_xmit+0x10/0x20 [ 51.391979] dccp_transmit_skb+0x26e/0x420 [ 51.396204] dccp_xmit_packet+0x70/0x170 [ 51.400243] dccp_write_xmit+0x8d/0xb0 [ 51.404108] dccp_sendmsg+0x225/0x3a0 [ 51.407910] inet_sendmsg+0x5f/0x70 [ 51.411515] sock_sendmsg+0x57/0x60 [ 51.415117] ____sys_sendmsg+0x1fc/0x270 [ 51.419159] ? copy_msghdr_from_user+0x5b/0x90 [ 51.423745] ___sys_sendmsg+0x77/0xb0 [ 51.427525] ? find_held_lock+0x35/0xa0 [ 51.431478] ? __fget_files+0xe0/0x1e0 [ 51.435350] ? __fget_files+0xff/0x1e0 [ 51.439225] ? __fget_light+0x5e/0x70 [ 51.443007] __sys_sendmsg+0x5d/0xb0 [ 51.446701] ? do_syscall_64+0x13/0x80 [ 51.450571] __x64_sys_sendmsg+0x1a/0x20 [ 51.454615] do_syscall_64+0x37/0x80 [ 51.458309] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.463473] RIP: 0033:0x453009 [ 51.466639] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.485519] RSP: 002b:00007fae0f6acc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 51.493201] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 51.500463] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 51.507708] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 51.514954] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 51.522201] R13: 00000000ffffffff R14: 00007fae0f6ad6d4 R15: 0000000000000002 [ 51.644084] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 51.657495] CPU: 0 PID: 5165 Comm: syz-executor2 Not tainted 5.10.0-rc2-syzkaller #0 [ 51.665366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.668424] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 51.674704] Call Trace: [ 51.674708] [ 51.674717] dump_stack+0xa9/0xd1 [ 51.674728] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 51.674736] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 51.674756] dccp_deliver_input_to_ccids+0x31/0x70 [ 51.674764] dccp_rcv_established+0x49/0x70 [ 51.715037] dccp_v4_do_rcv+0x3b/0x60 [ 51.718815] __sk_receive_skb+0xcc/0x2b0 [ 51.722859] dccp_v4_rcv+0x44b/0x820 [ 51.726560] ip_protocol_deliver_rcu+0x224/0x270 [ 51.731296] ip_local_deliver_finish+0x8d/0x130 [ 51.735958] ip_local_deliver+0x184/0x220 [ 51.740084] ? ip_protocol_deliver_rcu+0x270/0x270 [ 51.744993] ip_rcv_finish+0x3d/0x60 [ 51.748697] ip_rcv+0x162/0x210 [ 51.751978] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 51.757146] ? process_backlog+0xb1/0x2d0 [ 51.761269] __netif_receive_skb_one_core+0x81/0x90 [ 51.766268] __netif_receive_skb+0x13/0x60 [ 51.770568] process_backlog+0x122/0x2d0 [ 51.774610] net_rx_action+0x17d/0x4b0 [ 51.778486] __do_softirq+0xdc/0x452 [ 51.782182] ? ip_finish_output2+0x22b/0xa10 [ 51.786567] asm_call_irq_on_stack+0x12/0x20 [ 51.790949] [ 51.793161] do_softirq_own_stack+0x5c/0x70 [ 51.797457] do_softirq.part.21+0x81/0xa0 [ 51.801581] __local_bh_enable_ip+0x10a/0x110 [ 51.806138] ip_finish_output2+0x24f/0xa10 [ 51.810357] __ip_finish_output+0x11e/0x340 [ 51.814677] ? __ip_finish_output+0x11e/0x340 [ 51.819146] ? ip_output+0x184/0x260 [ 51.822841] ip_finish_output+0x27/0xa0 [ 51.826794] ip_output+0x79/0x260 [ 51.830229] ? __ip_finish_output+0x340/0x340 [ 51.834724] ip_local_out+0x3a/0x60 [ 51.838331] __ip_queue_xmit+0x1e4/0x600 [ 51.842375] ip_queue_xmit+0x10/0x20 [ 51.846063] dccp_transmit_skb+0x26e/0x420 [ 51.850278] dccp_xmit_packet+0x70/0x170 [ 51.854319] dccp_write_xmit+0x8d/0xb0 [ 51.858181] dccp_sendmsg+0x225/0x3a0 [ 51.861963] inet_sendmsg+0x5f/0x70 [ 51.865567] sock_sendmsg+0x57/0x60 [ 51.869170] ____sys_sendmsg+0x1fc/0x270 [ 51.873223] ? copy_msghdr_from_user+0x5b/0x90 [ 51.877795] ___sys_sendmsg+0x77/0xb0 [ 51.881577] ? find_held_lock+0x35/0xa0 [ 51.885529] ? __fget_files+0xe0/0x1e0 [ 51.889404] ? __fget_files+0xff/0x1e0 [ 51.893271] ? __fget_light+0x5e/0x70 [ 51.897060] __sys_sendmsg+0x5d/0xb0 [ 51.900760] ? do_syscall_64+0x13/0x80 [ 51.904626] __x64_sys_sendmsg+0x1a/0x20 [ 51.908662] do_syscall_64+0x37/0x80 [ 51.912380] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.917548] RIP: 0033:0x453009 [ 51.920722] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.939598] RSP: 002b:00007f27e4744c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 51.947283] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 51.954549] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 51.961794] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 51.969040] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 51.976319] R13: 00000000ffffffff R14: 00007f27e47456d4 R15: 0000000000000002 [ 51.983663] CPU: 1 PID: 5178 Comm: syz-executor4 Not tainted 5.10.0-rc2-syzkaller #0 2020/11/07 02:57:48 executed programs: 281 [ 51.991537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.000883] Call Trace: [ 52.003460] [ 52.005720] dump_stack+0xa9/0xd1 [ 52.009160] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 52.014349] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 52.019021] dccp_deliver_input_to_ccids+0x31/0x70 [ 52.023951] dccp_rcv_established+0x49/0x70 [ 52.028268] dccp_v4_do_rcv+0x3b/0x60 [ 52.032061] __sk_receive_skb+0xcc/0x2b0 [ 52.036136] dccp_v4_rcv+0x44b/0x820 [ 52.039858] ip_protocol_deliver_rcu+0x224/0x270 [ 52.044615] ip_local_deliver_finish+0x8d/0x130 [ 52.049276] ip_local_deliver+0x184/0x220 [ 52.053418] ? ip_protocol_deliver_rcu+0x270/0x270 [ 52.058352] ip_rcv_finish+0x3d/0x60 [ 52.062065] ip_rcv+0x162/0x210 [ 52.065341] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 52.070531] ? process_backlog+0xb1/0x2d0 [ 52.074678] __netif_receive_skb_one_core+0x81/0x90 [ 52.079691] __netif_receive_skb+0x13/0x60 [ 52.083918] process_backlog+0x122/0x2d0 [ 52.087978] net_rx_action+0x17d/0x4b0 [ 52.091879] __do_softirq+0xdc/0x452 [ 52.095591] ? ip_finish_output2+0x22b/0xa10 [ 52.099994] asm_call_irq_on_stack+0x12/0x20 [ 52.104386] [ 52.106603] do_softirq_own_stack+0x5c/0x70 [ 52.110994] do_softirq.part.21+0x81/0xa0 [ 52.115129] __local_bh_enable_ip+0x10a/0x110 [ 52.119603] ip_finish_output2+0x24f/0xa10 [ 52.123819] __ip_finish_output+0x11e/0x340 [ 52.128115] ? __build_flow_key.constprop.62+0xf0/0xf0 [ 52.133367] ? __ip_finish_output+0x11e/0x340 [ 52.137835] ? ip_output+0x184/0x260 [ 52.141532] ip_finish_output+0x27/0xa0 [ 52.145508] ip_output+0x79/0x260 [ 52.148943] ? __ip_finish_output+0x340/0x340 [ 52.153437] ip_local_out+0x3a/0x60 [ 52.157055] __ip_queue_xmit+0x1e4/0x600 [ 52.161095] ip_queue_xmit+0x10/0x20 [ 52.164783] dccp_transmit_skb+0x26e/0x420 [ 52.169014] dccp_xmit_packet+0x70/0x170 [ 52.173068] dccp_write_xmit+0x8d/0xb0 [ 52.176946] dccp_sendmsg+0x225/0x3a0 [ 52.180741] inet_sendmsg+0x5f/0x70 [ 52.184359] sock_sendmsg+0x57/0x60 [ 52.187960] __sys_sendto+0x112/0x190 [ 52.191771] ? syscall_enter_from_user_mode+0x20/0x70 [ 52.196947] ? do_syscall_64+0x13/0x80 [ 52.200846] __x64_sys_sendto+0x23/0x30 [ 52.204812] do_syscall_64+0x37/0x80 [ 52.208504] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.213673] RIP: 0033:0x453009 [ 52.216842] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.235787] RSP: 002b:00007f76526f5c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002c [ 52.243472] RAX: ffffffffffffffda RBX: 000000000071c010 RCX: 0000000000453009 [ 52.250717] RDX: 00000000000000b9 RSI: 00000000206c2f47 RDI: 0000000000000005 [ 52.257968] RBP: 0000000000000498 R08: 0000000020c69ff0 R09: 0000000000000010 [ 52.265262] R10: 0000000020000000 R11: 0000000000000212 R12: 00000000006f4ee0 [ 52.272519] R13: 00000000ffffffff R14: 00007f76526f66d4 R15: 0000000000000009 [ 52.614777] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 52.628022] CPU: 0 PID: 5422 Comm: syz-executor5 Not tainted 5.10.0-rc2-syzkaller #0 [ 52.635900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.645247] Call Trace: [ 52.647820] [ 52.649961] dump_stack+0xa9/0xd1 [ 52.653405] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 52.658587] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 52.663259] dccp_deliver_input_to_ccids+0x31/0x70 [ 52.668189] dccp_rcv_established+0x49/0x70 [ 52.672504] dccp_v4_do_rcv+0x3b/0x60 [ 52.676309] __sk_receive_skb+0xcc/0x2b0 [ 52.680373] dccp_v4_rcv+0x44b/0x820 [ 52.684080] ip_protocol_deliver_rcu+0x224/0x270 [ 52.688836] ip_local_deliver_finish+0x8d/0x130 [ 52.693507] ip_local_deliver+0x184/0x220 [ 52.697655] ? ip_protocol_deliver_rcu+0x270/0x270 [ 52.702584] ip_rcv_finish+0x3d/0x60 [ 52.706292] ip_rcv+0x162/0x210 [ 52.709580] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 52.714761] ? process_backlog+0xb1/0x2d0 [ 52.718896] __netif_receive_skb_one_core+0x81/0x90 [ 52.723893] __netif_receive_skb+0x13/0x60 [ 52.728113] process_backlog+0x122/0x2d0 [ 52.732178] net_rx_action+0x17d/0x4b0 [ 52.736071] __do_softirq+0xdc/0x452 [ 52.739783] ? ip_finish_output2+0x22b/0xa10 [ 52.744188] asm_call_irq_on_stack+0x12/0x20 [ 52.748584] [ 52.750820] do_softirq_own_stack+0x5c/0x70 [ 52.755139] do_softirq.part.21+0x81/0xa0 [ 52.759282] __local_bh_enable_ip+0x10a/0x110 [ 52.763914] ip_finish_output2+0x24f/0xa10 [ 52.768145] __ip_finish_output+0x11e/0x340 [ 52.772456] ? __ip_finish_output+0x11e/0x340 [ 52.776930] ? ip_output+0x184/0x260 [ 52.780620] ip_finish_output+0x27/0xa0 [ 52.784570] ip_output+0x79/0x260 [ 52.787999] ? __ip_finish_output+0x340/0x340 [ 52.792476] ip_local_out+0x3a/0x60 [ 52.796077] __ip_queue_xmit+0x1e4/0x600 [ 52.800123] ip_queue_xmit+0x10/0x20 [ 52.803910] dccp_transmit_skb+0x26e/0x420 [ 52.808125] dccp_xmit_packet+0x70/0x170 [ 52.812165] dccp_write_xmit+0x8d/0xb0 [ 52.816027] dccp_sendmsg+0x225/0x3a0 [ 52.819841] inet_sendmsg+0x5f/0x70 [ 52.823451] sock_sendmsg+0x57/0x60 [ 52.827055] ____sys_sendmsg+0x1fc/0x270 [ 52.831088] ? copy_msghdr_from_user+0x5b/0x90 [ 52.835653] ___sys_sendmsg+0x77/0xb0 [ 52.839440] ? find_held_lock+0x35/0xa0 [ 52.843398] ? __fget_files+0xe0/0x1e0 [ 52.847268] ? __fget_files+0xff/0x1e0 [ 52.851188] ? __fget_light+0x5e/0x70 [ 52.854967] __sys_sendmsg+0x5d/0xb0 [ 52.858663] ? do_syscall_64+0x13/0x80 [ 52.862528] __x64_sys_sendmsg+0x1a/0x20 [ 52.866564] do_syscall_64+0x37/0x80 [ 52.870255] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.875469] RIP: 0033:0x453009 [ 52.878641] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.897517] RSP: 002b:00007efcd54e1c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 52.905200] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 52.912452] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 52.919698] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 52.926943] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 52.934204] R13: 00000000ffffffff R14: 00007efcd54e26d4 R15: 0000000000000002 [ 53.077215] net_ratelimit: 357 callbacks suppressed [ 53.077218] dccp_close: ABORT with 24 bytes unread [ 53.083683] dccp_close: ABORT with 24 bytes unread [ 53.089521] dccp_close: ABORT with 24 bytes unread [ 53.105161] dccp_close: ABORT with 24 bytes unread [ 53.111723] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 53.111882] dccp_close: ABORT with 24 bytes unread [ 53.124945] CPU: 0 PID: 5561 Comm: syz-executor Not tainted 5.10.0-rc2-syzkaller #0 [ 53.137619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.146965] Call Trace: [ 53.149539] [ 53.151676] dump_stack+0xa9/0xd1 [ 53.153738] dccp_close: ABORT with 24 bytes unread [ 53.155114] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 53.155123] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 53.155137] dccp_deliver_input_to_ccids+0x31/0x70 [ 53.174806] dccp_rcv_established+0x49/0x70 [ 53.179122] dccp_v4_do_rcv+0x3b/0x60 [ 53.182915] __sk_receive_skb+0xcc/0x2b0 [ 53.186968] dccp_v4_rcv+0x44b/0x820 [ 53.190688] ip_protocol_deliver_rcu+0x224/0x270 [ 53.191534] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 53.195434] ip_local_deliver_finish+0x8d/0x130 [ 53.195442] ip_local_deliver+0x184/0x220 [ 53.195452] ? ip_protocol_deliver_rcu+0x270/0x270 [ 53.195464] ip_rcv_finish+0x3d/0x60 [ 53.195470] ip_rcv+0x162/0x210 [ 53.195479] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 53.195489] ? process_backlog+0xb1/0x2d0 [ 53.195494] __netif_receive_skb_one_core+0x81/0x90 [ 53.243614] __netif_receive_skb+0x13/0x60 [ 53.247830] process_backlog+0x122/0x2d0 [ 53.251872] net_rx_action+0x17d/0x4b0 [ 53.255749] __do_softirq+0xdc/0x452 [ 53.259444] ? ip_finish_output2+0x22b/0xa10 [ 53.263827] asm_call_irq_on_stack+0x12/0x20 [ 53.268564] [ 53.270784] do_softirq_own_stack+0x5c/0x70 [ 53.275084] do_softirq.part.21+0x81/0xa0 [ 53.279219] __local_bh_enable_ip+0x10a/0x110 [ 53.283694] ip_finish_output2+0x24f/0xa10 [ 53.287916] __ip_finish_output+0x11e/0x340 [ 53.292212] ? __ip_finish_output+0x11e/0x340 [ 53.296696] ? ip_output+0x184/0x260 [ 53.300406] ip_finish_output+0x27/0xa0 [ 53.304363] ip_output+0x79/0x260 [ 53.307798] ? __ip_finish_output+0x340/0x340 [ 53.312272] ip_local_out+0x3a/0x60 [ 53.315892] __ip_queue_xmit+0x1e4/0x600 [ 53.319937] ip_queue_xmit+0x10/0x20 [ 53.323628] dccp_transmit_skb+0x26e/0x420 [ 53.327842] dccp_xmit_packet+0x70/0x170 [ 53.331883] dccp_write_xmit+0x8d/0xb0 [ 53.335746] dccp_sendmsg+0x225/0x3a0 [ 53.339531] inet_sendmsg+0x5f/0x70 [ 53.343137] sock_sendmsg+0x57/0x60 [ 53.346744] ____sys_sendmsg+0x1fc/0x270 [ 53.350778] ? copy_msghdr_from_user+0x5b/0x90 [ 53.355348] ___sys_sendmsg+0x77/0xb0 [ 53.359131] ? find_held_lock+0x35/0xa0 [ 53.363091] ? __fget_files+0xe0/0x1e0 [ 53.366967] ? __fget_files+0xff/0x1e0 [ 53.370840] ? __fget_light+0x5e/0x70 [ 53.374622] __sys_sendmsg+0x5d/0xb0 [ 53.378336] ? do_syscall_64+0x13/0x80 [ 53.382214] __x64_sys_sendmsg+0x1a/0x20 [ 53.386262] do_syscall_64+0x37/0x80 [ 53.389954] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.395118] RIP: 0033:0x453009 [ 53.398288] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.417190] RSP: 002b:00007fae0f6acc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 53.424989] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 53.432240] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 53.439489] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 53.446834] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 53.454080] R13: 00000000ffffffff R14: 00007fae0f6ad6d4 R15: 0000000000000002 [ 53.461350] CPU: 1 PID: 5575 Comm: syz-executor4 Not tainted 5.10.0-rc2-syzkaller #0 [ 53.469228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.470510] dccp_close: ABORT with 24 bytes unread [ 53.478569] Call Trace: [ 53.478573] [ 53.478582] dump_stack+0xa9/0xd1 [ 53.478592] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 53.478601] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 53.478615] dccp_deliver_input_to_ccids+0x31/0x70 [ 53.478622] dccp_rcv_established+0x49/0x70 [ 53.478628] dccp_v4_do_rcv+0x3b/0x60 [ 53.484194] dccp_close: ABORT with 24 bytes unread [ 53.486109] __sk_receive_skb+0xcc/0x2b0 [ 53.486121] dccp_v4_rcv+0x44b/0x820 [ 53.486138] ip_protocol_deliver_rcu+0x224/0x270 [ 53.486149] ip_local_deliver_finish+0x8d/0x130 [ 53.486157] ip_local_deliver+0x184/0x220 [ 53.486166] ? ip_protocol_deliver_rcu+0x270/0x270 [ 53.486177] ip_rcv_finish+0x3d/0x60 [ 53.507252] dccp_close: ABORT with 24 bytes unread [ 53.510851] ip_rcv+0x162/0x210 [ 53.510863] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 53.510873] ? process_backlog+0xb1/0x2d0 [ 53.510879] __netif_receive_skb_one_core+0x81/0x90 [ 53.510888] __netif_receive_skb+0x13/0x60 [ 53.533359] dccp_close: ABORT with 24 bytes unread [ 53.536714] process_backlog+0x122/0x2d0 [ 53.536726] net_rx_action+0x17d/0x4b0 [ 53.589035] __do_softirq+0xdc/0x452 [ 53.594023] ? ip_finish_output2+0x22b/0xa10 [ 53.598430] asm_call_irq_on_stack+0x12/0x20 [ 53.602828] [ 53.605059] do_softirq_own_stack+0x5c/0x70 [ 53.609380] do_softirq.part.21+0x81/0xa0 [ 53.613531] __local_bh_enable_ip+0x10a/0x110 [ 53.618025] ip_finish_output2+0x24f/0xa10 [ 53.622266] __ip_finish_output+0x11e/0x340 [ 53.626589] ? __ip_finish_output+0x11e/0x340 [ 53.631073] ? ip_output+0x184/0x260 [ 53.634793] ip_finish_output+0x27/0xa0 [ 53.638765] ip_output+0x79/0x260 [ 53.642221] ? __ip_finish_output+0x340/0x340 [ 53.646722] ip_local_out+0x3a/0x60 [ 53.650341] __ip_queue_xmit+0x1e4/0x600 [ 53.654407] ip_queue_xmit+0x10/0x20 [ 53.658120] dccp_transmit_skb+0x26e/0x420 [ 53.662439] dccp_xmit_packet+0x70/0x170 [ 53.666498] dccp_write_xmit+0x8d/0xb0 [ 53.670375] dccp_sendmsg+0x225/0x3a0 [ 53.674172] inet_sendmsg+0x5f/0x70 [ 53.677889] sock_sendmsg+0x57/0x60 [ 53.681492] ____sys_sendmsg+0x1fc/0x270 [ 53.685528] ? copy_msghdr_from_user+0x5b/0x90 [ 53.690138] ___sys_sendmsg+0x77/0xb0 [ 53.693918] ? find_held_lock+0x35/0xa0 [ 53.697868] ? __fget_files+0xe0/0x1e0 [ 53.701790] ? __fget_files+0xff/0x1e0 [ 53.705655] ? __fget_light+0x5e/0x70 [ 53.709432] __sys_sendmsg+0x5d/0xb0 [ 53.713141] ? do_syscall_64+0x13/0x80 [ 53.717128] __x64_sys_sendmsg+0x1a/0x20 [ 53.721167] do_syscall_64+0x37/0x80 [ 53.724856] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.730062] RIP: 0033:0x453009 [ 53.733234] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.752116] RSP: 002b:00007f7652716c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 53.759800] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 53.767046] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 53.774292] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 53.781555] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 53.788798] R13: 00000000ffffffff R14: 00007f76527176d4 R15: 0000000000000002 [ 53.873897] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 53.887130] CPU: 0 PID: 5670 Comm: syz-executor5 Not tainted 5.10.0-rc2-syzkaller #0 [ 53.894998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.904334] Call Trace: [ 53.906894] [ 53.909025] dump_stack+0xa9/0xd1 [ 53.912479] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 53.917648] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 53.922320] dccp_deliver_input_to_ccids+0x31/0x70 [ 53.927233] dccp_rcv_established+0x49/0x70 [ 53.931554] dccp_v4_do_rcv+0x3b/0x60 [ 53.935338] __sk_receive_skb+0xcc/0x2b0 [ 53.939399] dccp_v4_rcv+0x44b/0x820 [ 53.943097] ip_protocol_deliver_rcu+0x224/0x270 [ 53.947834] ip_local_deliver_finish+0x8d/0x130 [ 53.952479] ip_local_deliver+0x184/0x220 [ 53.956606] ? ip_protocol_deliver_rcu+0x270/0x270 [ 53.961516] ip_rcv_finish+0x3d/0x60 [ 53.965205] ip_rcv+0x162/0x210 [ 53.968469] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 53.973637] ? process_backlog+0xb1/0x2d0 [ 53.977761] __netif_receive_skb_one_core+0x81/0x90 [ 53.982755] __netif_receive_skb+0x13/0x60 [ 53.986970] process_backlog+0x122/0x2d0 [ 53.991014] net_rx_action+0x17d/0x4b0 [ 53.994890] __do_softirq+0xdc/0x452 [ 53.998586] ? ip_finish_output2+0x22b/0xa10 [ 54.002974] asm_call_irq_on_stack+0x12/0x20 [ 54.007357] [ 54.009572] do_softirq_own_stack+0x5c/0x70 [ 54.013872] do_softirq.part.21+0x81/0xa0 [ 54.018000] __local_bh_enable_ip+0x10a/0x110 [ 54.022495] ip_finish_output2+0x24f/0xa10 [ 54.026717] __ip_finish_output+0x11e/0x340 [ 54.031029] ? __ip_finish_output+0x11e/0x340 [ 54.035501] ? ip_output+0x184/0x260 [ 54.039196] ip_finish_output+0x27/0xa0 [ 54.043159] ip_output+0x79/0x260 [ 54.046595] ? __ip_finish_output+0x340/0x340 [ 54.051088] ip_local_out+0x3a/0x60 [ 54.054695] __ip_queue_xmit+0x1e4/0x600 [ 54.058743] ip_queue_xmit+0x10/0x20 [ 54.062456] dccp_transmit_skb+0x26e/0x420 [ 54.066672] dccp_xmit_packet+0x70/0x170 [ 54.070713] dccp_write_xmit+0x8d/0xb0 [ 54.074579] dccp_sendmsg+0x225/0x3a0 [ 54.078364] inet_sendmsg+0x5f/0x70 [ 54.081969] sock_sendmsg+0x57/0x60 [ 54.085590] ____sys_sendmsg+0x1fc/0x270 [ 54.089626] ? copy_msghdr_from_user+0x5b/0x90 [ 54.094194] ___sys_sendmsg+0x77/0xb0 [ 54.097976] ? find_held_lock+0x35/0xa0 [ 54.101930] ? __fget_files+0xe0/0x1e0 [ 54.105806] ? __fget_files+0xff/0x1e0 [ 54.109674] ? __fget_light+0x5e/0x70 [ 54.113456] __sys_sendmsg+0x5d/0xb0 [ 54.117153] ? do_syscall_64+0x13/0x80 [ 54.121022] __x64_sys_sendmsg+0x1a/0x20 [ 54.125059] do_syscall_64+0x37/0x80 [ 54.128751] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.134265] RIP: 0033:0x453009 [ 54.137436] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.156317] RSP: 002b:00007efcd54e1c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 54.164002] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 54.171250] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 54.178494] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 54.185757] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 54.193002] R13: 00000000ffffffff R14: 00007efcd54e26d4 R15: 0000000000000008 [ 54.284635] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 54.297900] CPU: 0 PID: 5717 Comm: syz-executor5 Not tainted 5.10.0-rc2-syzkaller #0 [ 54.305765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.315096] Call Trace: [ 54.317657] [ 54.319789] dump_stack+0xa9/0xd1 [ 54.323225] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 54.328395] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 54.333048] dccp_deliver_input_to_ccids+0x31/0x70 [ 54.337955] dccp_rcv_established+0x49/0x70 [ 54.342255] dccp_v4_do_rcv+0x3b/0x60 [ 54.346036] __sk_receive_skb+0xcc/0x2b0 [ 54.350079] dccp_v4_rcv+0x44b/0x820 [ 54.353777] ip_protocol_deliver_rcu+0x224/0x270 [ 54.358514] ip_local_deliver_finish+0x8d/0x130 [ 54.363159] ip_local_deliver+0x184/0x220 [ 54.367293] ? ip_protocol_deliver_rcu+0x270/0x270 [ 54.372204] ip_rcv_finish+0x3d/0x60 [ 54.375896] ip_rcv+0x162/0x210 [ 54.379158] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 54.384329] ? process_backlog+0xb1/0x2d0 [ 54.388452] __netif_receive_skb_one_core+0x81/0x90 [ 54.393447] __netif_receive_skb+0x13/0x60 [ 54.397661] process_backlog+0x122/0x2d0 [ 54.401702] net_rx_action+0x17d/0x4b0 [ 54.405577] __do_softirq+0xdc/0x452 [ 54.409269] ? ip_finish_output2+0x22b/0xa10 [ 54.413658] asm_call_irq_on_stack+0x12/0x20 [ 54.418042] [ 54.420260] do_softirq_own_stack+0x5c/0x70 [ 54.424560] do_softirq.part.21+0x81/0xa0 [ 54.428697] __local_bh_enable_ip+0x10a/0x110 [ 54.433175] ip_finish_output2+0x24f/0xa10 [ 54.437399] __ip_finish_output+0x11e/0x340 [ 54.441699] ? __ip_finish_output+0x11e/0x340 [ 54.446187] ? ip_output+0x184/0x260 [ 54.449887] ip_finish_output+0x27/0xa0 [ 54.453852] ip_output+0x79/0x260 [ 54.457325] ? __ip_finish_output+0x340/0x340 [ 54.461803] ip_local_out+0x3a/0x60 [ 54.465410] __ip_queue_xmit+0x1e4/0x600 [ 54.469456] ip_queue_xmit+0x10/0x20 [ 54.473150] dccp_transmit_skb+0x26e/0x420 [ 54.477368] dccp_xmit_packet+0x70/0x170 [ 54.481408] dccp_write_xmit+0x8d/0xb0 [ 54.485275] dccp_sendmsg+0x225/0x3a0 [ 54.489064] inet_sendmsg+0x5f/0x70 [ 54.492671] sock_sendmsg+0x57/0x60 [ 54.496281] ____sys_sendmsg+0x1fc/0x270 [ 54.500316] ? copy_msghdr_from_user+0x5b/0x90 [ 54.504882] ___sys_sendmsg+0x77/0xb0 [ 54.508665] ? find_held_lock+0x35/0xa0 [ 54.512618] ? __fget_files+0xe0/0x1e0 [ 54.516489] ? __fget_files+0xff/0x1e0 [ 54.520358] ? __fget_light+0x5e/0x70 [ 54.524137] __sys_sendmsg+0x5d/0xb0 [ 54.527836] ? do_syscall_64+0x13/0x80 [ 54.531704] __x64_sys_sendmsg+0x1a/0x20 [ 54.535741] do_syscall_64+0x37/0x80 [ 54.539432] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.544601] RIP: 0033:0x453009 [ 54.547770] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.566651] RSP: 002b:00007efcd54e1c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 54.574346] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 54.581593] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 54.588838] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 54.596085] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 54.603332] R13: 00000000ffffffff R14: 00007efcd54e26d4 R15: 0000000000000004 [ 54.671935] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 54.685216] CPU: 0 PID: 5752 Comm: syz-executor2 Not tainted 5.10.0-rc2-syzkaller #0 [ 54.693098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.702454] Call Trace: [ 54.705177] [ 54.707329] dump_stack+0xa9/0xd1 [ 54.710786] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 54.715969] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 54.720653] dccp_deliver_input_to_ccids+0x31/0x70 [ 54.725587] dccp_rcv_established+0x49/0x70 [ 54.729907] dccp_v4_do_rcv+0x3b/0x60 [ 54.733712] __sk_receive_skb+0xcc/0x2b0 [ 54.737782] dccp_v4_rcv+0x44b/0x820 [ 54.741513] ip_protocol_deliver_rcu+0x224/0x270 [ 54.746273] ip_local_deliver_finish+0x8d/0x130 [ 54.750941] ip_local_deliver+0x184/0x220 [ 54.755087] ? ip_protocol_deliver_rcu+0x270/0x270 [ 54.760013] ip_rcv_finish+0x3d/0x60 [ 54.763719] ip_rcv+0x162/0x210 [ 54.767000] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 54.772184] ? process_backlog+0xb1/0x2d0 [ 54.776331] __netif_receive_skb_one_core+0x81/0x90 [ 54.781350] __netif_receive_skb+0x13/0x60 [ 54.785579] process_backlog+0x122/0x2d0 [ 54.789645] net_rx_action+0x17d/0x4b0 [ 54.793544] __do_softirq+0xdc/0x452 [ 54.797338] ? ip_finish_output2+0x22b/0xa10 [ 54.798850] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 54.801733] asm_call_irq_on_stack+0x12/0x20 [ 54.801737] [ 54.801743] do_softirq_own_stack+0x5c/0x70 [ 54.801748] do_softirq.part.21+0x81/0xa0 [ 54.801754] __local_bh_enable_ip+0x10a/0x110 [ 54.801762] ip_finish_output2+0x24f/0xa10 [ 54.801777] __ip_finish_output+0x11e/0x340 [ 54.842921] ? __ip_finish_output+0x11e/0x340 [ 54.847405] ? ip_output+0x184/0x260 [ 54.851099] ip_finish_output+0x27/0xa0 [ 54.855056] ip_output+0x79/0x260 [ 54.858504] ? __ip_finish_output+0x340/0x340 [ 54.862982] ip_local_out+0x3a/0x60 [ 54.866587] __ip_queue_xmit+0x1e4/0x600 [ 54.870631] ip_queue_xmit+0x10/0x20 [ 54.874408] dccp_transmit_skb+0x26e/0x420 [ 54.878623] dccp_xmit_packet+0x70/0x170 [ 54.882664] dccp_write_xmit+0x8d/0xb0 [ 54.886527] dccp_sendmsg+0x225/0x3a0 [ 54.890310] inet_sendmsg+0x5f/0x70 [ 54.893920] sock_sendmsg+0x57/0x60 [ 54.897523] ____sys_sendmsg+0x1fc/0x270 [ 54.901556] ? copy_msghdr_from_user+0x5b/0x90 [ 54.906131] ___sys_sendmsg+0x77/0xb0 [ 54.909916] ? find_held_lock+0x35/0xa0 [ 54.913871] ? __fget_files+0xe0/0x1e0 [ 54.917741] ? __fget_files+0xff/0x1e0 [ 54.921608] ? __fget_light+0x5e/0x70 [ 54.925388] __sys_sendmsg+0x5d/0xb0 [ 54.929088] ? do_syscall_64+0x13/0x80 [ 54.932962] __x64_sys_sendmsg+0x1a/0x20 [ 54.936998] do_syscall_64+0x37/0x80 [ 54.940687] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.945854] RIP: 0033:0x453009 [ 54.949024] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.967901] RSP: 002b:00007f27e4744c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 54.975585] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 54.982830] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 54.990077] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 54.997321] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 55.004566] R13: 00000000ffffffff R14: 00007f27e47456d4 R15: 0000000000000002 [ 55.011848] CPU: 1 PID: 5792 Comm: syz-executor Not tainted 5.10.0-rc2-syzkaller #0 [ 55.019640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.029077] Call Trace: [ 55.031654] [ 55.033806] dump_stack+0xa9/0xd1 [ 55.037260] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 55.042456] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 55.047139] dccp_deliver_input_to_ccids+0x31/0x70 [ 55.052073] dccp_rcv_established+0x49/0x70 [ 55.056390] dccp_v4_do_rcv+0x3b/0x60 [ 55.060199] __sk_receive_skb+0xcc/0x2b0 [ 55.064262] dccp_v4_rcv+0x44b/0x820 [ 55.067976] ip_protocol_deliver_rcu+0x224/0x270 [ 55.072729] ip_local_deliver_finish+0x8d/0x130 [ 55.077403] ip_local_deliver+0x184/0x220 [ 55.081559] ? ip_protocol_deliver_rcu+0x270/0x270 [ 55.086493] ip_rcv_finish+0x3d/0x60 [ 55.090205] ip_rcv+0x162/0x210 [ 55.093481] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 55.098672] ? process_backlog+0xb1/0x2d0 [ 55.102818] __netif_receive_skb_one_core+0x81/0x90 [ 55.107830] __netif_receive_skb+0x13/0x60 [ 55.112063] process_backlog+0x122/0x2d0 [ 55.116124] net_rx_action+0x17d/0x4b0 [ 55.120023] __do_softirq+0xdc/0x452 [ 55.123740] ? ip_finish_output2+0x22b/0xa10 [ 55.128152] asm_call_irq_on_stack+0x12/0x20 [ 55.132551] [ 55.134786] do_softirq_own_stack+0x5c/0x70 [ 55.139108] do_softirq.part.21+0x81/0xa0 [ 55.143264] __local_bh_enable_ip+0x10a/0x110 [ 55.147760] ip_finish_output2+0x24f/0xa10 [ 55.151991] __ip_finish_output+0x11e/0x340 [ 55.156292] ? __ip_finish_output+0x11e/0x340 [ 55.160765] ? ip_output+0x184/0x260 [ 55.164470] ip_finish_output+0x27/0xa0 [ 55.168447] ip_output+0x79/0x260 [ 55.171888] ? __ip_finish_output+0x340/0x340 [ 55.176362] ip_local_out+0x3a/0x60 [ 55.179968] __ip_queue_xmit+0x1e4/0x600 [ 55.184156] ip_queue_xmit+0x10/0x20 [ 55.187863] dccp_transmit_skb+0x26e/0x420 [ 55.192090] dccp_xmit_packet+0x70/0x170 [ 55.196131] dccp_write_xmit+0x8d/0xb0 [ 55.199997] dccp_sendmsg+0x225/0x3a0 [ 55.203834] inet_sendmsg+0x5f/0x70 [ 55.207465] sock_sendmsg+0x57/0x60 [ 55.211164] ____sys_sendmsg+0x1fc/0x270 [ 55.215198] ? copy_msghdr_from_user+0x5b/0x90 [ 55.219785] ___sys_sendmsg+0x77/0xb0 [ 55.223569] ? find_held_lock+0x35/0xa0 [ 55.227520] ? __fget_files+0xe0/0x1e0 [ 55.231438] ? __fget_files+0xff/0x1e0 [ 55.235305] ? __fget_light+0x5e/0x70 [ 55.239112] __sys_sendmsg+0x5d/0xb0 [ 55.242817] ? do_syscall_64+0x13/0x80 [ 55.246687] __x64_sys_sendmsg+0x1a/0x20 [ 55.250731] do_syscall_64+0x37/0x80 [ 55.254430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.259597] RIP: 0033:0x453009 [ 55.262770] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.281760] RSP: 002b:00007fae0f6acc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 55.289465] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 55.296709] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 55.303973] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 55.311234] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 55.318478] R13: 00000000ffffffff R14: 00007fae0f6ad6d4 R15: 0000000000000002 [ 55.872396] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 55.885603] CPU: 0 PID: 6170 Comm: syz-executor1 Not tainted 5.10.0-rc2-syzkaller #0 [ 55.893460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.902792] Call Trace: [ 55.905353] [ 55.907511] dump_stack+0xa9/0xd1 [ 55.910967] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 55.916133] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 55.920790] dccp_deliver_input_to_ccids+0x31/0x70 [ 55.925697] dccp_rcv_established+0x49/0x70 [ 55.929996] dccp_v4_do_rcv+0x3b/0x60 [ 55.933790] __sk_receive_skb+0xcc/0x2b0 [ 55.937831] dccp_v4_rcv+0x44b/0x820 [ 55.941542] ip_protocol_deliver_rcu+0x224/0x270 [ 55.946285] ip_local_deliver_finish+0x8d/0x130 [ 55.950933] ip_local_deliver+0x184/0x220 [ 55.955071] ? ip_protocol_deliver_rcu+0x270/0x270 [ 55.959981] ip_rcv_finish+0x3d/0x60 [ 55.963669] ip_rcv+0x162/0x210 [ 55.966928] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 55.972098] ? process_backlog+0xb1/0x2d0 [ 55.976222] __netif_receive_skb_one_core+0x81/0x90 [ 55.981216] __netif_receive_skb+0x13/0x60 [ 55.985444] process_backlog+0x122/0x2d0 [ 55.989487] net_rx_action+0x17d/0x4b0 [ 55.993361] __do_softirq+0xdc/0x452 [ 55.997055] ? ip_finish_output2+0x22b/0xa10 [ 56.001448] asm_call_irq_on_stack+0x12/0x20 [ 56.005830] [ 56.008049] do_softirq_own_stack+0x5c/0x70 [ 56.012351] do_softirq.part.21+0x81/0xa0 [ 56.016477] __local_bh_enable_ip+0x10a/0x110 [ 56.020953] ip_finish_output2+0x24f/0xa10 [ 56.025172] __ip_finish_output+0x11e/0x340 [ 56.029476] ? __ip_finish_output+0x11e/0x340 [ 56.034119] ? ip_output+0x184/0x260 [ 56.037819] ip_finish_output+0x27/0xa0 [ 56.041781] ip_output+0x79/0x260 [ 56.045214] ? __ip_finish_output+0x340/0x340 [ 56.049690] ip_local_out+0x3a/0x60 [ 56.053297] __ip_queue_xmit+0x1e4/0x600 [ 56.057343] ip_queue_xmit+0x10/0x20 [ 56.061032] dccp_transmit_skb+0x26e/0x420 [ 56.065254] dccp_xmit_packet+0x70/0x170 [ 56.069295] dccp_write_xmit+0x8d/0xb0 [ 56.073161] dccp_sendmsg+0x225/0x3a0 [ 56.076946] inet_sendmsg+0x5f/0x70 [ 56.080553] sock_sendmsg+0x57/0x60 [ 56.084160] ____sys_sendmsg+0x1fc/0x270 [ 56.088196] ? copy_msghdr_from_user+0x5b/0x90 [ 56.092769] ___sys_sendmsg+0x77/0xb0 [ 56.096551] ? find_held_lock+0x35/0xa0 [ 56.100504] ? __fget_files+0xe0/0x1e0 [ 56.104377] ? __fget_files+0xff/0x1e0 [ 56.108245] ? __fget_light+0x5e/0x70 [ 56.112026] __sys_sendmsg+0x5d/0xb0 [ 56.115727] ? do_syscall_64+0x13/0x80 [ 56.119616] __x64_sys_sendmsg+0x1a/0x20 [ 56.123655] do_syscall_64+0x37/0x80 [ 56.127346] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.132512] RIP: 0033:0x453009 [ 56.135681] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.154560] RSP: 002b:00007f913d934c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 56.162245] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 56.169513] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 56.176765] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 56.184013] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 56.191263] R13: 00000000ffffffff R14: 00007f913d9356d4 R15: 0000000000000002 [ 56.283525] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 56.296795] CPU: 1 PID: 6226 Comm: syz-executor1 Not tainted 5.10.0-rc2-syzkaller #0 [ 56.304660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.313994] Call Trace: [ 56.316554] [ 56.318685] dump_stack+0xa9/0xd1 [ 56.322119] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 56.327289] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 56.331940] dccp_deliver_input_to_ccids+0x31/0x70 [ 56.336849] dccp_rcv_established+0x49/0x70 [ 56.341148] dccp_v4_do_rcv+0x3b/0x60 [ 56.344930] __sk_receive_skb+0xcc/0x2b0 [ 56.348971] dccp_v4_rcv+0x44b/0x820 [ 56.352668] ip_protocol_deliver_rcu+0x224/0x270 [ 56.357404] ip_local_deliver_finish+0x8d/0x130 [ 56.362050] ip_local_deliver+0x184/0x220 [ 56.366177] ? ip_protocol_deliver_rcu+0x270/0x270 [ 56.371086] ip_rcv_finish+0x3d/0x60 [ 56.374775] ip_rcv+0x162/0x210 [ 56.378032] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 56.383201] ? process_backlog+0xb1/0x2d0 [ 56.387326] __netif_receive_skb_one_core+0x81/0x90 [ 56.392320] __netif_receive_skb+0x13/0x60 [ 56.396535] process_backlog+0x122/0x2d0 [ 56.400579] net_rx_action+0x17d/0x4b0 [ 56.404454] __do_softirq+0xdc/0x452 [ 56.408149] ? ip_finish_output2+0x22b/0xa10 [ 56.412536] asm_call_irq_on_stack+0x12/0x20 [ 56.416920] [ 56.419135] do_softirq_own_stack+0x5c/0x70 [ 56.423445] do_softirq.part.21+0x81/0xa0 [ 56.427574] __local_bh_enable_ip+0x10a/0x110 [ 56.432051] ip_finish_output2+0x24f/0xa10 [ 56.436326] __ip_finish_output+0x11e/0x340 [ 56.440628] ? __ip_finish_output+0x11e/0x340 [ 56.445214] ? ip_output+0x184/0x260 [ 56.448915] ip_finish_output+0x27/0xa0 [ 56.452871] ip_output+0x79/0x260 [ 56.456327] ? __ip_finish_output+0x340/0x340 [ 56.460829] ip_local_out+0x3a/0x60 [ 56.464435] __ip_queue_xmit+0x1e4/0x600 [ 56.468481] ip_queue_xmit+0x10/0x20 [ 56.472173] dccp_transmit_skb+0x26e/0x420 [ 56.476389] dccp_xmit_packet+0x70/0x170 [ 56.480429] dccp_write_xmit+0x8d/0xb0 [ 56.484299] dccp_sendmsg+0x225/0x3a0 [ 56.488108] inet_sendmsg+0x5f/0x70 [ 56.491719] sock_sendmsg+0x57/0x60 [ 56.495326] ____sys_sendmsg+0x1fc/0x270 [ 56.499361] ? copy_msghdr_from_user+0x5b/0x90 [ 56.503929] ___sys_sendmsg+0x77/0xb0 [ 56.507714] ? find_held_lock+0x35/0xa0 [ 56.511666] ? __fget_files+0xe0/0x1e0 [ 56.515559] ? __fget_files+0xff/0x1e0 [ 56.519425] ? __fget_light+0x5e/0x70 [ 56.523217] __sys_sendmsg+0x5d/0xb0 [ 56.526916] ? do_syscall_64+0x13/0x80 [ 56.530787] __x64_sys_sendmsg+0x1a/0x20 [ 56.534823] do_syscall_64+0x37/0x80 [ 56.538516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.543699] RIP: 0033:0x453009 [ 56.546868] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.565757] RSP: 002b:00007f913d934c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 56.573458] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 56.580708] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 56.587972] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 56.595219] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 56.602462] R13: 00000000ffffffff R14: 00007f913d9356d4 R15: 0000000000000004 [ 56.644894] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 56.658136] CPU: 0 PID: 6249 Comm: syz-executor4 Not tainted 5.10.0-rc2-syzkaller #0 [ 56.666007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.675357] Call Trace: [ 56.677936] [ 56.680075] dump_stack+0xa9/0xd1 [ 56.683523] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 56.688716] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 56.693389] dccp_deliver_input_to_ccids+0x31/0x70 [ 56.698319] dccp_rcv_established+0x49/0x70 [ 56.702630] dccp_v4_do_rcv+0x3b/0x60 [ 56.706417] __sk_receive_skb+0xcc/0x2b0 [ 56.710478] dccp_v4_rcv+0x44b/0x820 [ 56.714200] ip_protocol_deliver_rcu+0x224/0x270 [ 56.718952] ip_local_deliver_finish+0x8d/0x130 [ 56.723610] ip_local_deliver+0x184/0x220 [ 56.727757] ? ip_protocol_deliver_rcu+0x270/0x270 [ 56.732695] ip_rcv_finish+0x3d/0x60 [ 56.736406] ip_rcv+0x162/0x210 [ 56.739695] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 56.744890] ? process_backlog+0xb1/0x2d0 [ 56.749034] __netif_receive_skb_one_core+0x81/0x90 [ 56.754046] __netif_receive_skb+0x13/0x60 [ 56.758277] process_backlog+0x122/0x2d0 [ 56.762373] net_rx_action+0x17d/0x4b0 [ 56.766347] __do_softirq+0xdc/0x452 [ 56.770136] ? ip_finish_output2+0x22b/0xa10 [ 56.774529] asm_call_irq_on_stack+0x12/0x20 [ 56.778912] [ 56.781126] do_softirq_own_stack+0x5c/0x70 [ 56.785429] do_softirq.part.21+0x81/0xa0 [ 56.789561] __local_bh_enable_ip+0x10a/0x110 [ 56.794034] ip_finish_output2+0x24f/0xa10 [ 56.798309] __ip_finish_output+0x11e/0x340 [ 56.802618] ? __ip_finish_output+0x11e/0x340 [ 56.807097] ? ip_output+0x184/0x260 [ 56.810793] ip_finish_output+0x27/0xa0 [ 56.814748] ip_output+0x79/0x260 [ 56.818183] ? __ip_finish_output+0x340/0x340 [ 56.822712] ip_local_out+0x3a/0x60 [ 56.826318] __ip_queue_xmit+0x1e4/0x600 [ 56.830365] ip_queue_xmit+0x10/0x20 [ 56.834124] dccp_transmit_skb+0x26e/0x420 [ 56.838492] dccp_xmit_packet+0x70/0x170 [ 56.842580] dccp_write_xmit+0x8d/0xb0 [ 56.846450] dccp_sendmsg+0x225/0x3a0 [ 56.850240] inet_sendmsg+0x5f/0x70 [ 56.853844] sock_sendmsg+0x57/0x60 [ 56.857448] ____sys_sendmsg+0x1fc/0x270 [ 56.861483] ? copy_msghdr_from_user+0x5b/0x90 [ 56.866048] ___sys_sendmsg+0x77/0xb0 [ 56.869936] ? find_held_lock+0x35/0xa0 [ 56.873898] ? __fget_files+0xe0/0x1e0 [ 56.877792] ? __fget_files+0xff/0x1e0 [ 56.881664] ? __fget_light+0x5e/0x70 [ 56.885466] __sys_sendmsg+0x5d/0xb0 [ 56.889163] ? do_syscall_64+0x13/0x80 [ 56.893035] __x64_sys_sendmsg+0x1a/0x20 [ 56.897072] do_syscall_64+0x37/0x80 [ 56.900769] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.905931] RIP: 0033:0x453009 [ 56.909100] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.927975] RSP: 002b:00007f7652716c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 56.935664] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 2020/11/07 02:57:53 executed programs: 562 [ 56.943086] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 56.950333] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 56.957576] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 56.964819] R13: 00000000ffffffff R14: 00007f76527176d4 R15: 0000000000000002 [ 57.504486] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 57.517729] CPU: 0 PID: 6616 Comm: syz-executor5 Not tainted 5.10.0-rc2-syzkaller #0 [ 57.525599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.535004] Call Trace: [ 57.537571] [ 57.539707] dump_stack+0xa9/0xd1 [ 57.543155] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x4b [ 57.548340] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 57.553015] dccp_deliver_input_to_ccids+0x31/0x70 [ 57.557942] dccp_rcv_established+0x49/0x70 [ 57.562264] dccp_v4_do_rcv+0x3b/0x60 [ 57.566060] __sk_receive_skb+0xcc/0x2b0 [ 57.570109] dccp_v4_rcv+0x44b/0x820 [ 57.573805] ip_protocol_deliver_rcu+0x224/0x270 [ 57.578541] ip_local_deliver_finish+0x8d/0x130 [ 57.583201] ip_local_deliver+0x184/0x220 [ 57.587352] ? ip_protocol_deliver_rcu+0x270/0x270 [ 57.592293] ip_rcv_finish+0x3d/0x60 [ 57.595994] ip_rcv+0x162/0x210 [ 57.599260] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 57.604436] ? process_backlog+0xb1/0x2d0 [ 57.608575] __netif_receive_skb_one_core+0x81/0x90 [ 57.613588] __netif_receive_skb+0x13/0x60 [ 57.617822] process_backlog+0x122/0x2d0 [ 57.621888] net_rx_action+0x17d/0x4b0 [ 57.625794] __do_softirq+0xdc/0x452 [ 57.629519] ? ip_finish_output2+0x22b/0xa10 [ 57.633925] asm_call_irq_on_stack+0x12/0x20 [ 57.638324] [ 57.640559] do_softirq_own_stack+0x5c/0x70 [ 57.644867] do_softirq.part.21+0x81/0xa0 [ 57.648992] __local_bh_enable_ip+0x10a/0x110 [ 57.653476] ip_finish_output2+0x24f/0xa10 [ 57.657716] __ip_finish_output+0x11e/0x340 [ 57.662037] ? __ip_finish_output+0x11e/0x340 [ 57.666515] ? ip_output+0x184/0x260 [ 57.670210] ip_finish_output+0x27/0xa0 [ 57.674161] ip_output+0x79/0x260 [ 57.677634] ? __ip_finish_output+0x340/0x340 [ 57.682109] ip_local_out+0x3a/0x60 [ 57.685732] __ip_queue_xmit+0x1e4/0x600 [ 57.689775] ip_queue_xmit+0x10/0x20 [ 57.693466] dccp_transmit_skb+0x26e/0x420 [ 57.697678] dccp_xmit_packet+0x70/0x170 [ 57.701717] dccp_write_xmit+0x8d/0xb0 [ 57.705580] dccp_sendmsg+0x225/0x3a0 [ 57.709373] inet_sendmsg+0x5f/0x70 [ 57.712979] sock_sendmsg+0x57/0x60 [ 57.716579] ____sys_sendmsg+0x1fc/0x270 [ 57.720624] ? copy_msghdr_from_user+0x5b/0x90 [ 57.725188] ___sys_sendmsg+0x77/0xb0 [ 57.728968] ? find_held_lock+0x35/0xa0 [ 57.732919] ? __fget_files+0xe0/0x1e0 [ 57.736790] ? __fget_files+0xff/0x1e0 [ 57.740657] ? __fget_light+0x5e/0x70 [ 57.744440] __sys_sendmsg+0x5d/0xb0 [ 57.748135] ? do_syscall_64+0x13/0x80 [ 57.752000] __x64_sys_sendmsg+0x1a/0x20 [ 57.756139] do_syscall_64+0x37/0x80 [ 57.759829] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.764993] RIP: 0033:0x453009 [ 57.768276] Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 ab b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.787180] RSP: 002b:00007efcd54e1c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 57.794868] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 57.802118] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 57.809372] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 57.816645] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 57.823907] R13: 00000000ffffffff R14: 00007efcd54e26d4 R15: 0000000000000002 [ 58.085424] net_ratelimit: 302 callbacks suppressed [ 58.085428] dccp_close: ABORT with 24 bytes unread [ 58.098381] dccp_close: ABORT with 24 bytes unread [ 58.101927] dccp_close: ABORT with 24 bytes unread [ 58.109317] dccp_close: ABORT with 24 bytes unread [ 58.112739] dccp_close: ABORT with 24 bytes unread [ 58.122513] dccp_close: ABORT with 24 bytes unread [ 58.147573] dccp_close: ABORT with 24 bytes unread [ 58.155616] dccp_close: ABORT with 24 bytes unread [ 58.159948] dccp_close: ABORT with 24 bytes unread [ 58.169048] dccp_close: ABORT with 24 bytes unread [ 58.245090] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 58.258327] CPU: 1 PID: 6896 Comm: syz-executor5 Not tainted 5.10.0-rc2-syzkaller #0 [ 58.266201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.268334] BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt() [ 58.275542] Call Trace: [ 58.275546]