[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 42.763170] can: request_module (can-proto-0) failed. [ 42.767014] can: request_module (can-proto-0) failed. [ 43.651033] tipc: TX() has been purged, node left! Warning: Permanently added '10.128.1.59' (ECDSA) to the list of known hosts. 2020/10/07 05:28:54 parsed 1 programs 2020/10/07 05:28:54 executed programs: 0 [ 51.213402] dccp_close: ABORT with 24 bytes unread [ 51.249063] dccp_close: ABORT with 24 bytes unread [ 51.261113] dccp_close: ABORT with 24 bytes unread [ 51.299658] dccp_close: ABORT with 24 bytes unread [ 51.309316] dccp_close: ABORT with 24 bytes unread [ 51.312800] dccp_close: ABORT with 24 bytes unread [ 51.322017] dccp_close: ABORT with 24 bytes unread [ 51.329868] dccp_close: ABORT with 24 bytes unread [ 51.355711] dccp_close: ABORT with 24 bytes unread [ 51.361757] dccp_close: ABORT with 24 bytes unread [ 51.725461] 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() [ 51.739160] CPU: 1 PID: 4254 Comm: syz-executor5 Not tainted 5.9.0-rc8-syzkaller #0 [ 51.747301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.757128] Call Trace: [ 51.759700] [ 51.762281] dump_stack+0xa9/0xd1 [ 51.765737] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 51.770930] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 51.775609] dccp_deliver_input_to_ccids+0x31/0x70 [ 51.780541] dccp_rcv_established+0x49/0x70 [ 51.784867] dccp_v4_do_rcv+0x3b/0x60 [ 51.789394] __sk_receive_skb+0xcc/0x2b0 [ 51.793530] dccp_v4_rcv+0x44b/0x81a [ 51.797228] ip_protocol_deliver_rcu+0x224/0x270 [ 51.801977] ip_local_deliver_finish+0x8d/0x120 [ 51.806642] ip_local_deliver+0x17f/0x220 [ 51.810788] ? ip_protocol_deliver_rcu+0x270/0x270 [ 51.815895] ip_rcv_finish+0x3d/0x60 [ 51.819632] ip_rcv+0x15d/0x210 [ 51.822947] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 51.828140] ? process_backlog+0xb1/0x2d0 [ 51.832285] __netif_receive_skb_one_core+0x81/0x90 [ 51.837316] __netif_receive_skb+0x13/0x60 [ 51.841535] process_backlog+0x122/0x2d0 [ 51.845608] net_rx_action+0x187/0x4c0 [ 51.849521] __do_softirq+0xd3/0x494 [ 51.853246] ? ip_finish_output2+0x22b/0xa20 [ 51.857741] asm_call_irq_on_stack+0x12/0x20 [ 51.862141] [ 51.864374] do_softirq_own_stack+0x51/0x60 [ 51.868703] do_softirq.part.21+0x81/0xa0 [ 51.872872] __local_bh_enable_ip+0xfb/0x100 [ 51.877276] ip_finish_output2+0x24f/0xa20 [ 51.881531] __ip_finish_output+0x11e/0x340 [ 51.885872] ? __ip_finish_output+0x11e/0x340 [ 51.890356] ? ip_output+0x184/0x250 [ 51.894072] ip_finish_output+0x27/0xa0 [ 51.898134] ip_output+0x79/0x250 [ 51.901571] ? __ip_finish_output+0x340/0x340 [ 51.906068] ip_local_out+0x3a/0x60 [ 51.910285] __ip_queue_xmit+0x1e4/0x5f0 [ 51.914365] ip_queue_xmit+0x10/0x20 [ 51.918332] dccp_transmit_skb+0x26e/0x420 [ 51.922550] dccp_xmit_packet+0x70/0x170 [ 51.926609] dccp_write_xmit+0x8d/0xb0 [ 51.930472] dccp_sendmsg+0x225/0x3c0 [ 51.934269] inet_sendmsg+0x5f/0x70 [ 51.937900] sock_sendmsg+0x57/0x60 [ 51.941518] ____sys_sendmsg+0x1fc/0x270 [ 51.945570] ? copy_msghdr_from_user+0x5b/0x90 [ 51.950155] ___sys_sendmsg+0x77/0xb0 [ 51.953934] ? find_held_lock+0x35/0xa0 [ 51.957903] ? __fget_files+0xe0/0x1d0 [ 51.961789] ? __fget_files+0xfa/0x1d0 [ 51.965666] ? __fget_light+0x5e/0x70 [ 51.969462] __sys_sendmsg+0x5d/0xb0 [ 51.973192] __x64_sys_sendmsg+0x1a/0x20 [ 51.977348] do_syscall_64+0x37/0x80 [ 51.981041] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.986315] RIP: 0033:0x453009 [ 51.989489] 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 [ 52.008821] RSP: 002b:00007fc87b9a3c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 52.016505] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 52.023799] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 52.031933] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 52.039186] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 52.046457] R13: 00000000ffffffff R14: 00007fc87b9a46d4 R15: 0000000000000002 [ 52.333485] 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() [ 52.347561] CPU: 0 PID: 4451 Comm: syz-executor1 Not tainted 5.9.0-rc8-syzkaller #0 [ 52.355348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.364694] Call Trace: [ 52.367263] [ 52.369399] dump_stack+0xa9/0xd1 [ 52.372872] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 52.378074] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 52.382734] dccp_deliver_input_to_ccids+0x31/0x70 [ 52.387650] dccp_rcv_established+0x49/0x70 [ 52.391973] dccp_v4_do_rcv+0x3b/0x60 [ 52.395768] __sk_receive_skb+0xcc/0x2b0 [ 52.399831] dccp_v4_rcv+0x44b/0x81a [ 52.403546] ip_protocol_deliver_rcu+0x224/0x270 [ 52.408303] ip_local_deliver_finish+0x8d/0x120 [ 52.412981] ip_local_deliver+0x17f/0x220 [ 52.418084] ? ip_protocol_deliver_rcu+0x270/0x270 [ 52.423022] ip_rcv_finish+0x3d/0x60 [ 52.426731] ip_rcv+0x15d/0x210 [ 52.430012] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 52.435197] ? process_backlog+0xb1/0x2d0 [ 52.439337] __netif_receive_skb_one_core+0x81/0x90 [ 52.444361] __netif_receive_skb+0x13/0x60 [ 52.448611] process_backlog+0x122/0x2d0 [ 52.452672] net_rx_action+0x187/0x4c0 [ 52.456570] __do_softirq+0xd3/0x494 [ 52.460289] ? ip_finish_output2+0x22b/0xa20 [ 52.464713] asm_call_irq_on_stack+0x12/0x20 [ 52.469110] [ 52.471360] do_softirq_own_stack+0x51/0x60 [ 52.475758] do_softirq.part.21+0x81/0xa0 [ 52.479905] __local_bh_enable_ip+0xfb/0x100 [ 52.484316] ip_finish_output2+0x24f/0xa20 [ 52.488549] __ip_finish_output+0x11e/0x340 [ 52.492860] ? __ip_finish_output+0x11e/0x340 [ 52.497344] ? ip_output+0x184/0x250 [ 52.501044] ip_finish_output+0x27/0xa0 [ 52.505005] ip_output+0x79/0x250 [ 52.508452] ? __ip_finish_output+0x340/0x340 [ 52.512983] ip_local_out+0x3a/0x60 [ 52.516607] __ip_queue_xmit+0x1e4/0x5f0 [ 52.520657] ip_queue_xmit+0x10/0x20 [ 52.524358] dccp_transmit_skb+0x26e/0x420 [ 52.528624] dccp_xmit_packet+0x70/0x170 [ 52.532697] dccp_write_xmit+0x8d/0xb0 [ 52.536564] dccp_sendmsg+0x225/0x3c0 [ 52.540359] inet_sendmsg+0x5f/0x70 [ 52.543980] sock_sendmsg+0x57/0x60 [ 52.548476] ____sys_sendmsg+0x1fc/0x270 [ 52.552512] ? copy_msghdr_from_user+0x5b/0x90 [ 52.557078] ___sys_sendmsg+0x77/0xb0 [ 52.560945] ? find_held_lock+0x35/0xa0 [ 52.564912] ? __fget_files+0xe0/0x1d0 [ 52.568781] ? __fget_files+0xfa/0x1d0 [ 52.572662] ? __fget_light+0x5e/0x70 [ 52.576477] __sys_sendmsg+0x5d/0xb0 [ 52.580191] __x64_sys_sendmsg+0x1a/0x20 [ 52.584231] do_syscall_64+0x37/0x80 [ 52.587941] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.593102] RIP: 0033:0x453009 [ 52.596270] 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 [ 52.615328] RSP: 002b:00007f632aa07c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 52.623052] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 52.630328] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 52.637602] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 52.644870] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 52.652137] R13: 00000000ffffffff R14: 00007f632aa086d4 R15: 0000000000000002 [ 53.060906] 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() [ 53.074282] CPU: 0 PID: 4717 Comm: syz-executor Not tainted 5.9.0-rc8-syzkaller #0 [ 53.079532] 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() [ 53.081992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.081995] Call Trace: [ 53.081999] [ 53.082009] dump_stack+0xa9/0xd1 [ 53.082021] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 53.082028] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 53.082043] dccp_deliver_input_to_ccids+0x31/0x70 [ 53.082049] dccp_rcv_established+0x49/0x70 [ 53.132633] dccp_v4_do_rcv+0x3b/0x60 [ 53.136433] __sk_receive_skb+0xcc/0x2b0 [ 53.140497] dccp_v4_rcv+0x44b/0x81a [ 53.144216] ip_protocol_deliver_rcu+0x224/0x270 [ 53.148962] ip_local_deliver_finish+0x8d/0x120 [ 53.153624] ip_local_deliver+0x17f/0x220 [ 53.157761] ? ip_protocol_deliver_rcu+0x270/0x270 [ 53.162683] ip_rcv_finish+0x3d/0x60 [ 53.166399] ip_rcv+0x15d/0x210 [ 53.169796] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 53.174982] ? process_backlog+0xb1/0x2d0 [ 53.179127] __netif_receive_skb_one_core+0x81/0x90 [ 53.184134] __netif_receive_skb+0x13/0x60 [ 53.188368] process_backlog+0x122/0x2d0 [ 53.192510] net_rx_action+0x187/0x4c0 [ 53.196401] __do_softirq+0xd3/0x494 [ 53.200104] ? ip_finish_output2+0x22b/0xa20 [ 53.204499] asm_call_irq_on_stack+0x12/0x20 [ 53.208891] [ 53.211115] do_softirq_own_stack+0x51/0x60 [ 53.215418] do_softirq.part.21+0x81/0xa0 [ 53.219650] __local_bh_enable_ip+0xfb/0x100 [ 53.224049] ip_finish_output2+0x24f/0xa20 [ 53.228282] __ip_finish_output+0x11e/0x340 [ 53.232596] ? __ip_finish_output+0x11e/0x340 [ 53.237075] ? ip_output+0x184/0x250 [ 53.240975] ip_finish_output+0x27/0xa0 [ 53.244950] ip_output+0x79/0x250 [ 53.248398] ? __ip_finish_output+0x340/0x340 [ 53.252984] ip_local_out+0x3a/0x60 [ 53.256614] __ip_queue_xmit+0x1e4/0x5f0 [ 53.260756] ip_queue_xmit+0x10/0x20 [ 53.264757] dccp_transmit_skb+0x26e/0x420 [ 53.268998] dccp_xmit_packet+0x70/0x170 [ 53.273232] dccp_write_xmit+0x8d/0xb0 [ 53.277107] dccp_sendmsg+0x225/0x3c0 [ 53.280900] inet_sendmsg+0x5f/0x70 [ 53.284511] sock_sendmsg+0x57/0x60 [ 53.288138] ____sys_sendmsg+0x1fc/0x270 [ 53.292267] ? copy_msghdr_from_user+0x5b/0x90 [ 53.296861] ___sys_sendmsg+0x77/0xb0 [ 53.300654] ? find_held_lock+0x35/0xa0 [ 53.304614] ? __fget_files+0xe0/0x1d0 [ 53.308522] ? __fget_files+0xfa/0x1d0 [ 53.313268] ? __fget_light+0x5e/0x70 [ 53.317077] __sys_sendmsg+0x5d/0xb0 [ 53.320794] __x64_sys_sendmsg+0x1a/0x20 [ 53.324928] do_syscall_64+0x37/0x80 [ 53.328626] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.333808] RIP: 0033:0x453009 [ 53.336984] 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 [ 53.355897] RSP: 002b:00007ff3da9ffc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 53.363591] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 53.370863] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 53.378127] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 53.385398] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 53.392652] R13: 00000000ffffffff R14: 00007ff3daa006d4 R15: 0000000000000002 [ 53.399939] CPU: 1 PID: 4724 Comm: syz-executor5 Not tainted 5.9.0-rc8-syzkaller #0 [ 53.407735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.417233] Call Trace: [ 53.419798] [ 53.422111] dump_stack+0xa9/0xd1 [ 53.425568] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 53.430753] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 53.435441] dccp_deliver_input_to_ccids+0x31/0x70 [ 53.440361] dccp_rcv_established+0x49/0x70 [ 53.444683] dccp_v4_do_rcv+0x3b/0x60 [ 53.448494] __sk_receive_skb+0xcc/0x2b0 [ 53.452549] dccp_v4_rcv+0x44b/0x81a [ 53.456338] ip_protocol_deliver_rcu+0x224/0x270 [ 53.461089] ip_local_deliver_finish+0x8d/0x120 [ 53.465755] ip_local_deliver+0x17f/0x220 [ 53.469988] ? ip_protocol_deliver_rcu+0x270/0x270 [ 53.474926] ip_rcv_finish+0x3d/0x60 [ 53.478625] ip_rcv+0x15d/0x210 [ 53.481945] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 53.487147] ? process_backlog+0xb1/0x2d0 [ 53.491290] __netif_receive_skb_one_core+0x81/0x90 [ 53.496311] __netif_receive_skb+0x13/0x60 [ 53.500541] process_backlog+0x122/0x2d0 [ 53.504622] net_rx_action+0x187/0x4c0 [ 53.508528] __do_softirq+0xd3/0x494 [ 53.512243] ? ip_finish_output2+0x22b/0xa20 [ 53.516650] asm_call_irq_on_stack+0x12/0x20 [ 53.521053] [ 53.523349] do_softirq_own_stack+0x51/0x60 [ 53.528023] do_softirq.part.21+0x81/0xa0 [ 53.532170] __local_bh_enable_ip+0xfb/0x100 [ 53.536573] ip_finish_output2+0x24f/0xa20 [ 53.540812] __ip_finish_output+0x11e/0x340 [ 53.545124] ? __ip_finish_output+0x11e/0x340 [ 53.549610] ? ip_output+0x184/0x250 [ 53.553321] ip_finish_output+0x27/0xa0 [ 53.557301] ip_output+0x79/0x250 [ 53.560766] ? __ip_finish_output+0x340/0x340 [ 53.565462] ip_local_out+0x3a/0x60 [ 53.569513] __ip_queue_xmit+0x1e4/0x5f0 [ 53.573623] ip_queue_xmit+0x10/0x20 [ 53.577336] dccp_transmit_skb+0x26e/0x420 [ 53.581566] dccp_xmit_packet+0x70/0x170 [ 53.585626] dccp_write_xmit+0x8d/0xb0 [ 53.589514] dccp_sendmsg+0x225/0x3c0 [ 53.593320] inet_sendmsg+0x5f/0x70 [ 53.596941] sock_sendmsg+0x57/0x60 [ 53.600566] ____sys_sendmsg+0x1fc/0x270 [ 53.604724] ? copy_msghdr_from_user+0x5b/0x90 [ 53.609336] ___sys_sendmsg+0x77/0xb0 [ 53.613133] ? find_held_lock+0x35/0xa0 [ 53.617115] ? __fget_files+0xe0/0x1d0 [ 53.621024] ? __fget_files+0xfa/0x1d0 [ 53.624909] ? __fget_light+0x5e/0x70 [ 53.628723] __sys_sendmsg+0x5d/0xb0 [ 53.632440] __x64_sys_sendmsg+0x1a/0x20 [ 53.636478] do_syscall_64+0x37/0x80 [ 53.640182] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.645354] RIP: 0033:0x453009 [ 53.648542] 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 [ 53.670563] RSP: 002b:00007fc87b9a3c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 53.678383] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 53.685657] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 53.692919] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 53.700165] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 53.707450] R13: 00000000ffffffff R14: 00007fc87b9a46d4 R15: 0000000000000002 [ 54.325232] 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() [ 54.338652] CPU: 1 PID: 5132 Comm: syz-executor4 Not tainted 5.9.0-rc8-syzkaller #0 [ 54.346444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.355978] Call Trace: [ 54.358543] [ 54.360687] dump_stack+0xa9/0xd1 [ 54.364158] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 54.369346] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 54.374031] dccp_deliver_input_to_ccids+0x31/0x70 [ 54.378979] dccp_rcv_established+0x49/0x70 [ 54.383301] dccp_v4_do_rcv+0x3b/0x60 [ 54.387156] __sk_receive_skb+0xcc/0x2b0 [ 54.391233] dccp_v4_rcv+0x44b/0x81a [ 54.395134] ip_protocol_deliver_rcu+0x224/0x270 [ 54.399895] ip_local_deliver_finish+0x8d/0x120 [ 54.404571] ip_local_deliver+0x17f/0x220 [ 54.404650] 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() [ 54.408716] ? ip_protocol_deliver_rcu+0x270/0x270 [ 54.408727] ip_rcv_finish+0x3d/0x60 [ 54.408732] ip_rcv+0x15d/0x210 [ 54.408745] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 54.408756] ? process_backlog+0xb1/0x2d0 [ 54.408761] __netif_receive_skb_one_core+0x81/0x90 [ 54.408771] __netif_receive_skb+0x13/0x60 [ 54.452526] process_backlog+0x122/0x2d0 [ 54.456591] net_rx_action+0x187/0x4c0 [ 54.460485] __do_softirq+0xd3/0x494 [ 54.464188] ? ip_finish_output2+0x22b/0xa20 [ 54.468601] asm_call_irq_on_stack+0x12/0x20 [ 54.473005] [ 54.475231] do_softirq_own_stack+0x51/0x60 [ 54.479564] do_softirq.part.21+0x81/0xa0 [ 54.483731] __local_bh_enable_ip+0xfb/0x100 [ 54.488148] ip_finish_output2+0x24f/0xa20 [ 54.492401] __ip_finish_output+0x11e/0x340 [ 54.496709] ? __ip_finish_output+0x11e/0x340 [ 54.501189] ? ip_output+0x184/0x250 [ 54.504901] ip_finish_output+0x27/0xa0 [ 54.508967] ip_output+0x79/0x250 [ 54.512465] ? __ip_finish_output+0x340/0x340 [ 54.516968] ip_local_out+0x3a/0x60 [ 54.520581] __ip_queue_xmit+0x1e4/0x5f0 [ 54.524633] ip_queue_xmit+0x10/0x20 [ 54.528480] dccp_transmit_skb+0x26e/0x420 [ 54.532706] dccp_xmit_packet+0x70/0x170 [ 54.536780] dccp_write_xmit+0x8d/0xb0 [ 54.540657] dccp_sendmsg+0x225/0x3c0 [ 54.544450] inet_sendmsg+0x5f/0x70 [ 54.548075] sock_sendmsg+0x57/0x60 [ 54.551689] ____sys_sendmsg+0x1fc/0x270 [ 54.555731] ? copy_msghdr_from_user+0x5b/0x90 [ 54.560311] ___sys_sendmsg+0x77/0xb0 [ 54.564148] ? find_held_lock+0x35/0xa0 [ 54.568126] ? __fget_files+0xe0/0x1d0 [ 54.572011] ? __fget_files+0xfa/0x1d0 [ 54.575894] ? __fget_light+0x5e/0x70 [ 54.579696] __sys_sendmsg+0x5d/0xb0 [ 54.584105] __x64_sys_sendmsg+0x1a/0x20 [ 54.588194] do_syscall_64+0x37/0x80 [ 54.591889] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.597066] RIP: 0033:0x453009 [ 54.600245] 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 [ 54.619236] RSP: 002b:00007f99dc2a2c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 54.626942] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 54.634222] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 54.641488] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 54.648766] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 54.656028] R13: 00000000ffffffff R14: 00007f99dc2a36d4 R15: 0000000000000002 [ 54.663339] CPU: 0 PID: 5156 Comm: syz-executor3 Not tainted 5.9.0-rc8-syzkaller #0 [ 54.671236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.680600] Call Trace: [ 54.683159] [ 54.685289] dump_stack+0xa9/0xd1 [ 54.688745] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 54.694736] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 54.699450] dccp_deliver_input_to_ccids+0x31/0x70 [ 54.704389] dccp_rcv_established+0x49/0x70 [ 54.708710] dccp_v4_do_rcv+0x3b/0x60 [ 54.712502] __sk_receive_skb+0xcc/0x2b0 [ 54.716563] dccp_v4_rcv+0x44b/0x81a [ 54.720286] ip_protocol_deliver_rcu+0x224/0x270 [ 54.725046] ip_local_deliver_finish+0x8d/0x120 [ 54.729740] ip_local_deliver+0x17f/0x220 [ 54.733882] ? ip_protocol_deliver_rcu+0x270/0x270 [ 54.738816] ip_rcv_finish+0x3d/0x60 [ 54.742566] ip_rcv+0x15d/0x210 [ 54.745842] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 54.751026] ? process_backlog+0xb1/0x2d0 [ 54.755167] __netif_receive_skb_one_core+0x81/0x90 [ 54.760211] __netif_receive_skb+0x13/0x60 [ 54.764443] process_backlog+0x122/0x2d0 [ 54.768523] net_rx_action+0x187/0x4c0 [ 54.772419] __do_softirq+0xd3/0x494 [ 54.776154] ? ip_finish_output2+0x22b/0xa20 [ 54.780666] asm_call_irq_on_stack+0x12/0x20 [ 54.785067] [ 54.787296] do_softirq_own_stack+0x51/0x60 [ 54.791637] do_softirq.part.21+0x81/0xa0 [ 54.795775] __local_bh_enable_ip+0xfb/0x100 [ 54.800187] ip_finish_output2+0x24f/0xa20 [ 54.804470] __ip_finish_output+0x11e/0x340 [ 54.808793] ? __ip_finish_output+0x11e/0x340 [ 54.813273] ? ip_output+0x184/0x250 [ 54.816985] ip_finish_output+0x27/0xa0 [ 54.820988] ip_output+0x79/0x250 [ 54.824615] ? __ip_finish_output+0x340/0x340 [ 54.829099] ip_local_out+0x3a/0x60 [ 54.830984] 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() [ 54.832709] __ip_queue_xmit+0x1e4/0x5f0 [ 54.832726] ip_queue_xmit+0x10/0x20 [ 54.832731] dccp_transmit_skb+0x26e/0x420 [ 54.832740] dccp_xmit_packet+0x70/0x170 [ 54.862431] dccp_write_xmit+0x8d/0xb0 [ 54.866302] dccp_sendmsg+0x225/0x3c0 [ 54.870095] inet_sendmsg+0x5f/0x70 [ 54.873704] sock_sendmsg+0x57/0x60 [ 54.877326] ____sys_sendmsg+0x1fc/0x270 [ 54.881365] ? copy_msghdr_from_user+0x5b/0x90 [ 54.885959] ___sys_sendmsg+0x77/0xb0 [ 54.889760] ? find_held_lock+0x35/0xa0 [ 54.893723] ? __fget_files+0xe0/0x1d0 [ 54.897605] ? __fget_files+0xfa/0x1d0 [ 54.901493] ? __fget_light+0x5e/0x70 [ 54.905280] __sys_sendmsg+0x5d/0xb0 [ 54.908994] __x64_sys_sendmsg+0x1a/0x20 [ 54.913045] do_syscall_64+0x37/0x80 [ 54.916746] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.921914] RIP: 0033:0x453009 [ 54.925086] 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 [ 54.943974] RSP: 002b:00007fdbd6c22c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 54.951669] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 54.958933] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 54.966190] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 54.973442] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 54.980786] R13: 00000000ffffffff R14: 00007fdbd6c236d4 R15: 0000000000000002 [ 54.988189] CPU: 1 PID: 5201 Comm: syz-executor1 Not tainted 5.9.0-rc8-syzkaller #0 [ 54.996000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.005416] Call Trace: [ 55.007984] [ 55.010131] dump_stack+0xa9/0xd1 [ 55.013576] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 55.018756] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 55.023465] dccp_deliver_input_to_ccids+0x31/0x70 [ 55.028404] dccp_rcv_established+0x49/0x70 [ 55.032748] dccp_v4_do_rcv+0x3b/0x60 [ 55.036635] __sk_receive_skb+0xcc/0x2b0 [ 55.040702] dccp_v4_rcv+0x44b/0x81a [ 55.044414] ip_protocol_deliver_rcu+0x224/0x270 [ 55.049165] ip_local_deliver_finish+0x8d/0x120 [ 55.053841] ip_local_deliver+0x17f/0x220 [ 55.058048] ? ip_protocol_deliver_rcu+0x270/0x270 [ 55.063084] ip_rcv_finish+0x3d/0x60 [ 55.066795] ip_rcv+0x15d/0x210 [ 55.070123] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 55.075319] ? process_backlog+0xb1/0x2d0 [ 55.079459] __netif_receive_skb_one_core+0x81/0x90 [ 55.084566] __netif_receive_skb+0x13/0x60 [ 55.088796] process_backlog+0x122/0x2d0 [ 55.092879] net_rx_action+0x187/0x4c0 [ 55.096802] __do_softirq+0xd3/0x494 [ 55.100523] ? ip_finish_output2+0x22b/0xa20 [ 55.104932] asm_call_irq_on_stack+0x12/0x20 [ 55.109327] [ 55.111586] do_softirq_own_stack+0x51/0x60 [ 55.115898] do_softirq.part.21+0x81/0xa0 [ 55.120068] __local_bh_enable_ip+0xfb/0x100 [ 55.124507] ip_finish_output2+0x24f/0xa20 [ 55.127455] 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() [ 55.128754] __ip_finish_output+0x11e/0x340 [ 55.128757] ? __ip_finish_output+0x11e/0x340 [ 55.128760] ? ip_output+0x184/0x250 [ 55.128773] ip_finish_output+0x27/0xa0 [ 55.128782] ip_output+0x79/0x250 [ 55.128792] ? __ip_finish_output+0x340/0x340 [ 55.166371] ip_local_out+0x3a/0x60 [ 55.169999] __ip_queue_xmit+0x1e4/0x5f0 [ 55.174052] ip_queue_xmit+0x10/0x20 [ 55.178532] dccp_transmit_skb+0x26e/0x420 [ 55.182753] dccp_xmit_packet+0x70/0x170 [ 55.186800] dccp_write_xmit+0x8d/0xb0 [ 55.190675] dccp_sendmsg+0x225/0x3c0 [ 55.194468] inet_sendmsg+0x5f/0x70 [ 55.198353] sock_sendmsg+0x57/0x60 [ 55.201978] ____sys_sendmsg+0x1fc/0x270 [ 55.206131] ? copy_msghdr_from_user+0x5b/0x90 [ 55.210712] ___sys_sendmsg+0x77/0xb0 [ 55.214505] ? find_held_lock+0x35/0xa0 [ 55.218479] ? __fget_files+0xe0/0x1d0 [ 55.222710] ? __fget_files+0xfa/0x1d0 [ 55.226595] ? __fget_light+0x5e/0x70 [ 55.230386] __sys_sendmsg+0x5d/0xb0 [ 55.234106] __x64_sys_sendmsg+0x1a/0x20 [ 55.238164] do_syscall_64+0x37/0x80 [ 55.241874] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.247068] RIP: 0033:0x453009 [ 55.250243] 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 [ 55.269216] RSP: 002b:00007f632aa07c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 55.277184] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 55.284444] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 55.291707] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 55.298958] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 55.306221] R13: 00000000ffffffff R14: 00007f632aa086d4 R15: 0000000000000002 [ 55.313526] CPU: 0 PID: 5239 Comm: syz-executor5 Not tainted 5.9.0-rc8-syzkaller #0 2020/10/07 05:28:59 executed programs: 311 [ 55.321429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.330789] Call Trace: [ 55.333365] [ 55.335515] dump_stack+0xa9/0xd1 [ 55.338963] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 55.344150] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 55.348829] dccp_deliver_input_to_ccids+0x31/0x70 [ 55.353753] dccp_rcv_established+0x49/0x70 [ 55.358066] dccp_v4_do_rcv+0x3b/0x60 [ 55.361863] __sk_receive_skb+0xcc/0x2b0 [ 55.365955] dccp_v4_rcv+0x44b/0x81a [ 55.369673] ip_protocol_deliver_rcu+0x224/0x270 [ 55.374425] ip_local_deliver_finish+0x8d/0x120 [ 55.379087] ip_local_deliver+0x17f/0x220 [ 55.383227] ? ip_protocol_deliver_rcu+0x270/0x270 [ 55.388174] ip_rcv_finish+0x3d/0x60 [ 55.389648] 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() [ 55.391904] ip_rcv+0x15d/0x210 [ 55.391914] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 55.391929] ? process_backlog+0xb1/0x2d0 [ 55.391935] __netif_receive_skb_one_core+0x81/0x90 [ 55.391944] __netif_receive_skb+0x13/0x60 [ 55.391951] process_backlog+0x122/0x2d0 [ 55.391964] net_rx_action+0x187/0x4c0 [ 55.436944] __do_softirq+0xd3/0x494 [ 55.440661] ? ip_finish_output2+0x22b/0xa20 [ 55.445057] asm_call_irq_on_stack+0x12/0x20 [ 55.449444] [ 55.451678] do_softirq_own_stack+0x51/0x60 [ 55.455996] do_softirq.part.21+0x81/0xa0 [ 55.460126] __local_bh_enable_ip+0xfb/0x100 [ 55.464517] ip_finish_output2+0x24f/0xa20 [ 55.468770] __ip_finish_output+0x11e/0x340 [ 55.473072] ? __ip_finish_output+0x11e/0x340 [ 55.477545] ? ip_output+0x184/0x250 [ 55.481244] ip_finish_output+0x27/0xa0 [ 55.485204] ip_output+0x79/0x250 [ 55.488667] ? __ip_finish_output+0x340/0x340 [ 55.493169] ip_local_out+0x3a/0x60 [ 55.496782] __ip_queue_xmit+0x1e4/0x5f0 [ 55.500832] ip_queue_xmit+0x10/0x20 [ 55.504539] dccp_transmit_skb+0x26e/0x420 [ 55.508759] dccp_xmit_packet+0x70/0x170 [ 55.512818] dccp_write_xmit+0x8d/0xb0 [ 55.516689] dccp_sendmsg+0x225/0x3c0 [ 55.520482] inet_sendmsg+0x5f/0x70 [ 55.524094] sock_sendmsg+0x57/0x60 [ 55.527721] ____sys_sendmsg+0x1fc/0x270 [ 55.531759] ? copy_msghdr_from_user+0x5b/0x90 [ 55.536353] ___sys_sendmsg+0x77/0xb0 [ 55.540148] ? find_held_lock+0x35/0xa0 [ 55.544120] ? __fget_files+0xe0/0x1d0 [ 55.548025] ? __fget_files+0xfa/0x1d0 [ 55.551902] ? __fget_light+0x5e/0x70 [ 55.555698] __sys_sendmsg+0x5d/0xb0 [ 55.559411] __x64_sys_sendmsg+0x1a/0x20 [ 55.563470] do_syscall_64+0x37/0x80 [ 55.567178] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.572363] RIP: 0033:0x453009 [ 55.575551] 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 [ 55.594443] RSP: 002b:00007fc87b9a3c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 55.602130] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 55.609398] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 55.616735] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 55.623988] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 55.631339] R13: 00000000ffffffff R14: 00007fc87b9a46d4 R15: 0000000000000002 [ 55.638621] CPU: 1 PID: 5261 Comm: syz-executor Not tainted 5.9.0-rc8-syzkaller #0 [ 55.646326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.655685] Call Trace: [ 55.658267] [ 55.660413] dump_stack+0xa9/0xd1 [ 55.663977] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 55.669165] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 55.673841] dccp_deliver_input_to_ccids+0x31/0x70 [ 55.678773] dccp_rcv_established+0x49/0x70 [ 55.683099] dccp_v4_do_rcv+0x3b/0x60 [ 55.686894] __sk_receive_skb+0xcc/0x2b0 [ 55.690963] dccp_v4_rcv+0x44b/0x81a [ 55.694685] ip_protocol_deliver_rcu+0x224/0x270 [ 55.699447] ip_local_deliver_finish+0x8d/0x120 [ 55.704115] ip_local_deliver+0x17f/0x220 [ 55.708291] ? ip_protocol_deliver_rcu+0x270/0x270 [ 55.713222] ip_rcv_finish+0x3d/0x60 [ 55.716938] ip_rcv+0x15d/0x210 [ 55.720237] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 55.725432] ? process_backlog+0xb1/0x2d0 [ 55.729574] __netif_receive_skb_one_core+0x81/0x90 [ 55.734592] __netif_receive_skb+0x13/0x60 [ 55.738849] process_backlog+0x122/0x2d0 [ 55.742913] net_rx_action+0x187/0x4c0 [ 55.746835] __do_softirq+0xd3/0x494 [ 55.750570] ? ip_finish_output2+0x22b/0xa20 [ 55.754988] asm_call_irq_on_stack+0x12/0x20 [ 55.759397] [ 55.761637] do_softirq_own_stack+0x51/0x60 [ 55.765962] do_softirq.part.21+0x81/0xa0 [ 55.770128] __local_bh_enable_ip+0xfb/0x100 [ 55.774623] ip_finish_output2+0x24f/0xa20 [ 55.778867] __ip_finish_output+0x11e/0x340 [ 55.783186] ? __ip_finish_output+0x11e/0x340 [ 55.787707] ? ip_output+0x184/0x250 [ 55.791495] ip_finish_output+0x27/0xa0 [ 55.795462] ip_output+0x79/0x250 [ 55.798965] ? __ip_finish_output+0x340/0x340 [ 55.803572] ip_local_out+0x3a/0x60 [ 55.807186] __ip_queue_xmit+0x1e4/0x5f0 [ 55.814509] ip_queue_xmit+0x10/0x20 [ 55.818199] dccp_transmit_skb+0x26e/0x420 [ 55.822634] dccp_xmit_packet+0x70/0x170 [ 55.826674] dccp_write_xmit+0x8d/0xb0 [ 55.830561] dccp_sendmsg+0x225/0x3c0 [ 55.834353] inet_sendmsg+0x5f/0x70 [ 55.838675] sock_sendmsg+0x57/0x60 [ 55.842303] ____sys_sendmsg+0x1fc/0x270 [ 55.846352] ? copy_msghdr_from_user+0x5b/0x90 [ 55.850925] ___sys_sendmsg+0x77/0xb0 [ 55.854705] ? find_held_lock+0x35/0xa0 [ 55.858663] ? __fget_files+0xe0/0x1d0 [ 55.862546] ? __fget_files+0xfa/0x1d0 [ 55.866434] ? __fget_light+0x5e/0x70 [ 55.870223] __sys_sendmsg+0x5d/0xb0 [ 55.873929] __x64_sys_sendmsg+0x1a/0x20 [ 55.877989] do_syscall_64+0x37/0x80 [ 55.881707] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.886913] RIP: 0033:0x453009 [ 55.890081] 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 [ 55.909055] RSP: 002b:00007ff3da9ffc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 55.916761] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 55.924019] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 55.931274] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 55.938538] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 55.945786] R13: 00000000ffffffff R14: 00007ff3daa006d4 R15: 0000000000000002 [ 56.018599] 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() [ 56.031855] CPU: 0 PID: 5345 Comm: syz-executor2 Not tainted 5.9.0-rc8-syzkaller #0 [ 56.039649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.049002] Call Trace: [ 56.051579] [ 56.053746] dump_stack+0xa9/0xd1 [ 56.057203] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 56.062394] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 56.067088] dccp_deliver_input_to_ccids+0x31/0x70 [ 56.072119] dccp_rcv_established+0x49/0x70 [ 56.076526] dccp_v4_do_rcv+0x3b/0x60 [ 56.080321] __sk_receive_skb+0xcc/0x2b0 [ 56.085342] dccp_v4_rcv+0x44b/0x81a [ 56.089060] ip_protocol_deliver_rcu+0x224/0x270 [ 56.093822] ip_local_deliver_finish+0x8d/0x120 [ 56.098502] ip_local_deliver+0x17f/0x220 [ 56.102670] ? ip_protocol_deliver_rcu+0x270/0x270 [ 56.107598] ip_rcv_finish+0x3d/0x60 [ 56.111304] ip_rcv+0x15d/0x210 [ 56.114575] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 56.119759] ? process_backlog+0xb1/0x2d0 [ 56.124016] __netif_receive_skb_one_core+0x81/0x90 [ 56.129079] __netif_receive_skb+0x13/0x60 [ 56.133339] process_backlog+0x122/0x2d0 [ 56.136014] 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() [ 56.137401] net_rx_action+0x187/0x4c0 [ 56.137429] __do_softirq+0xd3/0x494 [ 56.137442] ? ip_finish_output2+0x22b/0xa20 [ 56.137451] asm_call_irq_on_stack+0x12/0x20 [ 56.137454] [ 56.170087] do_softirq_own_stack+0x51/0x60 [ 56.174399] do_softirq.part.21+0x81/0xa0 [ 56.178530] __local_bh_enable_ip+0xfb/0x100 [ 56.182923] ip_finish_output2+0x24f/0xa20 [ 56.187156] __ip_finish_output+0x11e/0x340 [ 56.191458] ? __ip_finish_output+0x11e/0x340 [ 56.196021] ? ip_output+0x184/0x250 [ 56.199724] ip_finish_output+0x27/0xa0 [ 56.203685] ip_output+0x79/0x250 [ 56.207128] ? __ip_finish_output+0x340/0x340 [ 56.211612] ip_local_out+0x3a/0x60 [ 56.215227] __ip_queue_xmit+0x1e4/0x5f0 [ 56.219293] ip_queue_xmit+0x10/0x20 [ 56.223011] dccp_transmit_skb+0x26e/0x420 [ 56.227842] dccp_xmit_packet+0x70/0x170 [ 56.231991] dccp_write_xmit+0x8d/0xb0 [ 56.235867] dccp_sendmsg+0x225/0x3c0 [ 56.239661] inet_sendmsg+0x5f/0x70 [ 56.243288] sock_sendmsg+0x57/0x60 [ 56.246916] ____sys_sendmsg+0x1fc/0x270 [ 56.250960] ? copy_msghdr_from_user+0x5b/0x90 [ 56.255564] ___sys_sendmsg+0x77/0xb0 [ 56.259382] ? find_held_lock+0x35/0xa0 [ 56.263343] ? __fget_files+0xe0/0x1d0 [ 56.267256] ? __fget_files+0xfa/0x1d0 [ 56.271137] ? __fget_light+0x5e/0x70 [ 56.275194] __sys_sendmsg+0x5d/0xb0 [ 56.278909] __x64_sys_sendmsg+0x1a/0x20 [ 56.282963] do_syscall_64+0x37/0x80 [ 56.286668] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.291839] RIP: 0033:0x453009 [ 56.295115] 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 [ 56.315052] RSP: 002b:00007febee108c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 56.322746] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 56.330002] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 56.337256] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 56.344682] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 56.352374] R13: 00000000ffffffff R14: 00007febee1096d4 R15: 0000000000000002 [ 56.359747] CPU: 1 PID: 5378 Comm: syz-executor3 Not tainted 5.9.0-rc8-syzkaller #0 [ 56.367575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.370676] net_ratelimit: 327 callbacks suppressed [ 56.370679] dccp_close: ABORT with 24 bytes unread [ 56.376926] Call Trace: [ 56.376930] [ 56.376940] dump_stack+0xa9/0xd1 [ 56.376950] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 56.376956] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 56.376971] dccp_deliver_input_to_ccids+0x31/0x70 [ 56.376978] dccp_rcv_established+0x49/0x70 [ 56.376985] dccp_v4_do_rcv+0x3b/0x60 [ 56.376993] __sk_receive_skb+0xcc/0x2b0 [ 56.377004] dccp_v4_rcv+0x44b/0x81a [ 56.410768] dccp_close: ABORT with 24 bytes unread [ 56.414649] ip_protocol_deliver_rcu+0x224/0x270 [ 56.414660] ip_local_deliver_finish+0x8d/0x120 [ 56.414667] ip_local_deliver+0x17f/0x220 [ 56.414677] ? ip_protocol_deliver_rcu+0x270/0x270 [ 56.414687] ip_rcv_finish+0x3d/0x60 [ 56.414692] ip_rcv+0x15d/0x210 [ 56.414700] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 56.422100] dccp_close: ABORT with 24 bytes unread [ 56.422562] ? process_backlog+0xb1/0x2d0 [ 56.431225] dccp_close: ABORT with 24 bytes unread [ 56.431338] __netif_receive_skb_one_core+0x81/0x90 [ 56.446948] dccp_close: ABORT with 24 bytes unread [ 56.449827] __netif_receive_skb+0x13/0x60 [ 56.449835] process_backlog+0x122/0x2d0 [ 56.449850] net_rx_action+0x187/0x4c0 [ 56.449874] __do_softirq+0xd3/0x494 [ 56.449888] ? ip_finish_output2+0x22b/0xa20 [ 56.483773] dccp_close: ABORT with 24 bytes unread [ 56.486136] asm_call_irq_on_stack+0x12/0x20 [ 56.486141] [ 56.486149] do_softirq_own_stack+0x51/0x60 [ 56.486154] do_softirq.part.21+0x81/0xa0 [ 56.486159] __local_bh_enable_ip+0xfb/0x100 [ 56.486168] ip_finish_output2+0x24f/0xa20 [ 56.486184] __ip_finish_output+0x11e/0x340 [ 56.486187] ? __ip_finish_output+0x11e/0x340 [ 56.508606] dccp_close: ABORT with 24 bytes unread [ 56.511450] ? ip_output+0x184/0x250 [ 56.511464] ip_finish_output+0x27/0xa0 [ 56.511473] ip_output+0x79/0x250 [ 56.511486] ? __ip_finish_output+0x340/0x340 [ 56.511498] ip_local_out+0x3a/0x60 [ 56.511506] __ip_queue_xmit+0x1e4/0x5f0 [ 56.511522] ip_queue_xmit+0x10/0x20 [ 56.511528] dccp_transmit_skb+0x26e/0x420 [ 56.511537] dccp_xmit_packet+0x70/0x170 [ 56.543676] dccp_close: ABORT with 24 bytes unread [ 56.544194] dccp_write_xmit+0x8d/0xb0 [ 56.544201] dccp_sendmsg+0x225/0x3c0 [ 56.552421] dccp_close: ABORT with 24 bytes unread [ 56.552859] inet_sendmsg+0x5f/0x70 [ 56.552870] sock_sendmsg+0x57/0x60 [ 56.552878] ____sys_sendmsg+0x1fc/0x270 [ 56.552882] ? copy_msghdr_from_user+0x5b/0x90 [ 56.552901] ___sys_sendmsg+0x77/0xb0 [ 56.552916] ? find_held_lock+0x35/0xa0 [ 56.559379] dccp_close: ABORT with 24 bytes unread [ 56.560335] ? __fget_files+0xe0/0x1d0 [ 56.560356] ? __fget_files+0xfa/0x1d0 [ 56.560368] ? __fget_light+0x5e/0x70 [ 56.560381] __sys_sendmsg+0x5d/0xb0 [ 56.646249] __x64_sys_sendmsg+0x1a/0x20 [ 56.655076] do_syscall_64+0x37/0x80 [ 56.658893] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.664070] RIP: 0033:0x453009 [ 56.667346] 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 [ 56.686344] RSP: 002b:00007fdbd6c22c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 56.694044] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 56.701319] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 56.708589] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 56.715904] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 56.723589] R13: 00000000ffffffff R14: 00007fdbd6c236d4 R15: 0000000000000002 [ 56.859843] 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() [ 56.873324] CPU: 1 PID: 5497 Comm: syz-executor1 Not tainted 5.9.0-rc8-syzkaller #0 [ 56.881114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.890681] Call Trace: [ 56.893280] [ 56.895428] dump_stack+0xa9/0xd1 [ 56.898876] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 56.904048] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 56.908829] dccp_deliver_input_to_ccids+0x31/0x70 [ 56.913850] dccp_rcv_established+0x49/0x70 [ 56.918161] dccp_v4_do_rcv+0x3b/0x60 [ 56.921950] __sk_receive_skb+0xcc/0x2b0 [ 56.926015] dccp_v4_rcv+0x44b/0x81a [ 56.929828] ip_protocol_deliver_rcu+0x224/0x270 [ 56.934596] ip_local_deliver_finish+0x8d/0x120 [ 56.939257] ip_local_deliver+0x17f/0x220 [ 56.943404] ? ip_protocol_deliver_rcu+0x270/0x270 [ 56.948336] ip_rcv_finish+0x3d/0x60 [ 56.952042] ip_rcv+0x15d/0x210 [ 56.955338] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 56.960526] ? process_backlog+0xb1/0x2d0 [ 56.964684] __netif_receive_skb_one_core+0x81/0x90 [ 56.969792] __netif_receive_skb+0x13/0x60 [ 56.974046] process_backlog+0x122/0x2d0 [ 56.978823] net_rx_action+0x187/0x4c0 [ 56.982731] __do_softirq+0xd3/0x494 [ 56.986452] ? ip_finish_output2+0x22b/0xa20 [ 56.990922] asm_call_irq_on_stack+0x12/0x20 [ 56.995331] [ 56.997575] do_softirq_own_stack+0x51/0x60 [ 57.002329] do_softirq.part.21+0x81/0xa0 [ 57.006494] __local_bh_enable_ip+0xfb/0x100 [ 57.010998] ip_finish_output2+0x24f/0xa20 [ 57.015247] __ip_finish_output+0x11e/0x340 [ 57.019643] ? __ip_finish_output+0x11e/0x340 [ 57.024149] ? ip_output+0x184/0x250 [ 57.027853] ip_finish_output+0x27/0xa0 [ 57.031819] ip_output+0x79/0x250 [ 57.035277] ? __ip_finish_output+0x340/0x340 [ 57.039766] ip_local_out+0x3a/0x60 [ 57.043375] __ip_queue_xmit+0x1e4/0x5f0 [ 57.047441] ip_queue_xmit+0x10/0x20 [ 57.051149] dccp_transmit_skb+0x26e/0x420 [ 57.055366] dccp_xmit_packet+0x70/0x170 [ 57.059589] dccp_write_xmit+0x8d/0xb0 [ 57.063464] dccp_sendmsg+0x225/0x3c0 [ 57.067376] inet_sendmsg+0x5f/0x70 [ 57.070997] sock_sendmsg+0x57/0x60 [ 57.074615] ____sys_sendmsg+0x1fc/0x270 [ 57.078667] ? copy_msghdr_from_user+0x5b/0x90 [ 57.083233] ___sys_sendmsg+0x77/0xb0 [ 57.087041] ? find_held_lock+0x35/0xa0 [ 57.091008] ? __fget_files+0xe0/0x1d0 [ 57.094889] ? __fget_files+0xfa/0x1d0 [ 57.098792] ? __fget_light+0x5e/0x70 [ 57.102594] __sys_sendmsg+0x5d/0xb0 [ 57.106401] __x64_sys_sendmsg+0x1a/0x20 [ 57.110439] do_syscall_64+0x37/0x80 [ 57.114127] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.119290] RIP: 0033:0x453009 [ 57.122468] 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 [ 57.141540] RSP: 002b:00007f632aa07c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 57.149418] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 57.156666] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 57.164109] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 57.171359] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 57.178620] R13: 00000000ffffffff R14: 00007f632aa086d4 R15: 0000000000000002 [ 57.252233] 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() [ 57.265520] CPU: 1 PID: 5577 Comm: syz-executor5 Not tainted 5.9.0-rc8-syzkaller #0 [ 57.273315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.282671] Call Trace: [ 57.285251] [ 57.287401] dump_stack+0xa9/0xd1 [ 57.290849] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 57.296045] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 57.300731] dccp_deliver_input_to_ccids+0x31/0x70 [ 57.305662] dccp_rcv_established+0x49/0x70 [ 57.310076] dccp_v4_do_rcv+0x3b/0x60 [ 57.313880] __sk_receive_skb+0xcc/0x2b0 [ 57.317998] dccp_v4_rcv+0x44b/0x81a [ 57.321722] ip_protocol_deliver_rcu+0x224/0x270 [ 57.326485] ip_local_deliver_finish+0x8d/0x120 [ 57.331163] ip_local_deliver+0x17f/0x220 [ 57.335348] ? ip_protocol_deliver_rcu+0x270/0x270 [ 57.340283] ip_rcv_finish+0x3d/0x60 [ 57.344055] ip_rcv+0x15d/0x210 [ 57.347339] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 57.352535] ? process_backlog+0xb1/0x2d0 [ 57.356692] __netif_receive_skb_one_core+0x81/0x90 [ 57.361697] __netif_receive_skb+0x13/0x60 [ 57.365929] process_backlog+0x122/0x2d0 [ 57.370005] net_rx_action+0x187/0x4c0 [ 57.373989] __do_softirq+0xd3/0x494 [ 57.377721] ? ip_finish_output2+0x22b/0xa20 [ 57.382127] asm_call_irq_on_stack+0x12/0x20 [ 57.386623] [ 57.388851] do_softirq_own_stack+0x51/0x60 [ 57.393164] do_softirq.part.21+0x81/0xa0 [ 57.397385] __local_bh_enable_ip+0xfb/0x100 [ 57.401783] ip_finish_output2+0x24f/0xa20 [ 57.406104] __ip_finish_output+0x11e/0x340 [ 57.410417] ? __ip_finish_output+0x11e/0x340 [ 57.414903] ? ip_output+0x184/0x250 [ 57.418592] ip_finish_output+0x27/0xa0 [ 57.422547] ip_output+0x79/0x250 [ 57.426379] ? __ip_finish_output+0x340/0x340 [ 57.430886] ip_local_out+0x3a/0x60 [ 57.434509] __ip_queue_xmit+0x1e4/0x5f0 [ 57.438556] ip_queue_xmit+0x10/0x20 [ 57.442262] dccp_transmit_skb+0x26e/0x420 [ 57.446499] dccp_xmit_packet+0x70/0x170 [ 57.450539] dccp_write_xmit+0x8d/0xb0 [ 57.454425] dccp_sendmsg+0x225/0x3c0 [ 57.458207] inet_sendmsg+0x5f/0x70 [ 57.461942] sock_sendmsg+0x57/0x60 [ 57.465552] ____sys_sendmsg+0x1fc/0x270 [ 57.469589] ? copy_msghdr_from_user+0x5b/0x90 [ 57.474331] ___sys_sendmsg+0x77/0xb0 [ 57.478214] ? find_held_lock+0x35/0xa0 [ 57.482176] ? __fget_files+0xe0/0x1d0 [ 57.487106] ? __fget_files+0xfa/0x1d0 [ 57.491010] ? __fget_light+0x5e/0x70 [ 57.494801] __sys_sendmsg+0x5d/0xb0 [ 57.498524] __x64_sys_sendmsg+0x1a/0x20 [ 57.502560] do_syscall_64+0x37/0x80 [ 57.506252] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.511431] RIP: 0033:0x453009 [ 57.514612] 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 [ 57.533864] RSP: 002b:00007fc87b9a3c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 57.541573] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 57.549024] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 57.556483] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 57.563817] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 57.571178] R13: 00000000ffffffff R14: 00007fc87b9a46d4 R15: 0000000000000002 [ 58.141834] 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() [ 58.155123] CPU: 1 PID: 5944 Comm: syz-executor2 Not tainted 5.9.0-rc8-syzkaller #0 [ 58.163787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.173256] Call Trace: [ 58.176148] [ 58.178433] dump_stack+0xa9/0xd1 [ 58.181891] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 58.187089] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 58.191798] dccp_deliver_input_to_ccids+0x31/0x70 [ 58.196731] dccp_rcv_established+0x49/0x70 [ 58.201154] dccp_v4_do_rcv+0x3b/0x60 [ 58.204949] __sk_receive_skb+0xcc/0x2b0 [ 58.209049] dccp_v4_rcv+0x44b/0x81a [ 58.212925] ip_protocol_deliver_rcu+0x224/0x270 [ 58.217723] ip_local_deliver_finish+0x8d/0x120 [ 58.222429] ip_local_deliver+0x17f/0x220 [ 58.226610] ? ip_protocol_deliver_rcu+0x270/0x270 [ 58.231543] ip_rcv_finish+0x3d/0x60 [ 58.235280] ip_rcv+0x15d/0x210 [ 58.238566] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 58.243529] 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() [ 58.243756] ? process_backlog+0xb1/0x2d0 [ 58.262222] __netif_receive_skb_one_core+0x81/0x90 [ 58.267234] __netif_receive_skb+0x13/0x60 [ 58.271460] process_backlog+0x122/0x2d0 [ 58.275514] net_rx_action+0x187/0x4c0 [ 58.279405] __do_softirq+0xd3/0x494 [ 58.283109] ? ip_finish_output2+0x22b/0xa20 [ 58.287505] asm_call_irq_on_stack+0x12/0x20 [ 58.291900] [ 58.294133] do_softirq_own_stack+0x51/0x60 [ 58.299158] do_softirq.part.21+0x81/0xa0 [ 58.303294] __local_bh_enable_ip+0xfb/0x100 [ 58.307688] ip_finish_output2+0x24f/0xa20 [ 58.311920] __ip_finish_output+0x11e/0x340 [ 58.316222] ? __ip_finish_output+0x11e/0x340 [ 58.320697] ? ip_output+0x184/0x250 [ 58.324412] ip_finish_output+0x27/0xa0 [ 58.328375] ip_output+0x79/0x250 [ 58.331820] ? __ip_finish_output+0x340/0x340 [ 58.336307] ip_local_out+0x3a/0x60 [ 58.339918] __ip_queue_xmit+0x1e4/0x5f0 [ 58.344410] ip_queue_xmit+0x10/0x20 [ 58.348107] dccp_transmit_skb+0x26e/0x420 [ 58.353558] dccp_xmit_packet+0x70/0x170 [ 58.357606] dccp_write_xmit+0x8d/0xb0 [ 58.361477] dccp_sendmsg+0x225/0x3c0 [ 58.365374] inet_sendmsg+0x5f/0x70 [ 58.369359] sock_sendmsg+0x57/0x60 [ 58.372993] ____sys_sendmsg+0x1fc/0x270 [ 58.377034] ? copy_msghdr_from_user+0x5b/0x90 [ 58.381623] ___sys_sendmsg+0x77/0xb0 [ 58.385412] ? find_held_lock+0x35/0xa0 [ 58.389382] ? __fget_files+0xe0/0x1d0 [ 58.393263] ? __fget_files+0xfa/0x1d0 [ 58.397138] ? __fget_light+0x5e/0x70 [ 58.400945] __sys_sendmsg+0x5d/0xb0 [ 58.404668] __x64_sys_sendmsg+0x1a/0x20 [ 58.408726] do_syscall_64+0x37/0x80 [ 58.412421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.421683] RIP: 0033:0x453009 [ 58.424871] 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 [ 58.443845] RSP: 002b:00007febee108c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 58.451538] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 58.458804] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 58.466065] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 58.473321] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 58.480588] R13: 00000000ffffffff R14: 00007febee1096d4 R15: 0000000000000002 [ 58.487886] CPU: 0 PID: 5980 Comm: syz-executor3 Not tainted 5.9.0-rc8-syzkaller #0 [ 58.495684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.506096] Call Trace: [ 58.508664] [ 58.510802] dump_stack+0xa9/0xd1 [ 58.514280] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 58.519467] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 58.524147] dccp_deliver_input_to_ccids+0x31/0x70 [ 58.529091] dccp_rcv_established+0x49/0x70 [ 58.533452] dccp_v4_do_rcv+0x3b/0x60 [ 58.537254] __sk_receive_skb+0xcc/0x2b0 [ 58.541320] dccp_v4_rcv+0x44b/0x81a [ 58.545075] ip_protocol_deliver_rcu+0x224/0x270 [ 58.549840] ip_local_deliver_finish+0x8d/0x120 [ 58.554506] ip_local_deliver+0x17f/0x220 [ 58.558652] ? ip_protocol_deliver_rcu+0x270/0x270 [ 58.563609] ip_rcv_finish+0x3d/0x60 [ 58.567343] ip_rcv+0x15d/0x210 [ 58.570625] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 58.575823] ? process_backlog+0xb1/0x2d0 [ 58.579993] __netif_receive_skb_one_core+0x81/0x90 [ 58.585014] __netif_receive_skb+0x13/0x60 [ 58.589288] process_backlog+0x122/0x2d0 [ 58.593359] net_rx_action+0x187/0x4c0 [ 58.597266] __do_softirq+0xd3/0x494 [ 58.600997] ? ip_finish_output2+0x22b/0xa20 [ 58.605405] asm_call_irq_on_stack+0x12/0x20 [ 58.609824] [ 58.612065] do_softirq_own_stack+0x51/0x60 [ 58.616395] do_softirq.part.21+0x81/0xa0 [ 58.620542] __local_bh_enable_ip+0xfb/0x100 [ 58.625062] ip_finish_output2+0x24f/0xa20 [ 58.629344] __ip_finish_output+0x11e/0x340 [ 58.633666] ? __ip_finish_output+0x11e/0x340 [ 58.638179] ? ip_output+0x184/0x250 [ 58.641904] ip_finish_output+0x27/0xa0 [ 58.645879] ip_output+0x79/0x250 [ 58.649425] ? __ip_finish_output+0x340/0x340 [ 58.652390] 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() [ 58.653927] ip_local_out+0x3a/0x60 [ 58.653937] __ip_queue_xmit+0x1e4/0x5f0 [ 58.675429] ip_queue_xmit+0x10/0x20 [ 58.679150] dccp_transmit_skb+0x26e/0x420 [ 58.683377] dccp_xmit_packet+0x70/0x170 [ 58.687425] dccp_write_xmit+0x8d/0xb0 [ 58.691297] dccp_sendmsg+0x225/0x3c0 [ 58.695090] inet_sendmsg+0x5f/0x70 [ 58.698705] sock_sendmsg+0x57/0x60 [ 58.702316] ____sys_sendmsg+0x1fc/0x270 [ 58.706383] ? copy_msghdr_from_user+0x5b/0x90 [ 58.710979] ___sys_sendmsg+0x77/0xb0 [ 58.714786] ? find_held_lock+0x35/0xa0 [ 58.718754] ? __fget_files+0xe0/0x1d0 [ 58.722638] ? __fget_files+0xfa/0x1d0 [ 58.726514] ? __fget_light+0x5e/0x70 [ 58.730308] __sys_sendmsg+0x5d/0xb0 [ 58.734026] __x64_sys_sendmsg+0x1a/0x20 [ 58.738085] do_syscall_64+0x37/0x80 [ 58.741784] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.746959] RIP: 0033:0x453009 [ 58.750136] 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 [ 58.769033] RSP: 002b:00007fdbd6c22c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 58.776726] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 58.783982] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 58.791261] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 58.798535] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 58.805791] R13: 00000000ffffffff R14: 00007fdbd6c236d4 R15: 0000000000000002 [ 58.813084] CPU: 1 PID: 6023 Comm: syz-executor1 Not tainted 5.9.0-rc8-syzkaller #0 [ 58.821024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.830385] Call Trace: [ 58.832973] [ 58.835142] dump_stack+0xa9/0xd1 [ 58.838598] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 58.843791] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 58.848499] dccp_deliver_input_to_ccids+0x31/0x70 [ 58.853430] dccp_rcv_established+0x49/0x70 [ 58.857866] dccp_v4_do_rcv+0x3b/0x60 [ 58.861673] __sk_receive_skb+0xcc/0x2b0 [ 58.865734] dccp_v4_rcv+0x44b/0x81a [ 58.869456] ip_protocol_deliver_rcu+0x224/0x270 [ 58.874204] ip_local_deliver_finish+0x8d/0x120 [ 58.878874] ip_local_deliver+0x17f/0x220 [ 58.883023] ? ip_protocol_deliver_rcu+0x270/0x270 [ 58.887954] ip_rcv_finish+0x3d/0x60 [ 58.891693] ip_rcv+0x15d/0x210 [ 58.894974] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 58.900187] ? process_backlog+0xb1/0x2d0 [ 58.904323] __netif_receive_skb_one_core+0x81/0x90 [ 58.909334] __netif_receive_skb+0x13/0x60 [ 58.913664] process_backlog+0x122/0x2d0 [ 58.917779] net_rx_action+0x187/0x4c0 [ 58.921680] __do_softirq+0xd3/0x494 [ 58.925429] ? ip_finish_output2+0x22b/0xa20 [ 58.929859] asm_call_irq_on_stack+0x12/0x20 [ 58.934277] [ 58.936513] do_softirq_own_stack+0x51/0x60 [ 58.940832] do_softirq.part.21+0x81/0xa0 [ 58.944984] __local_bh_enable_ip+0xfb/0x100 [ 58.949475] ip_finish_output2+0x24f/0xa20 [ 58.953715] __ip_finish_output+0x11e/0x340 [ 58.958036] ? __ip_finish_output+0x11e/0x340 [ 58.962640] ? ip_output+0x184/0x250 [ 58.966428] ip_finish_output+0x27/0xa0 [ 58.970389] ip_output+0x79/0x250 [ 58.973882] ? __ip_finish_output+0x340/0x340 [ 58.978393] ip_local_out+0x3a/0x60 [ 58.982004] __ip_queue_xmit+0x1e4/0x5f0 [ 58.986055] ip_queue_xmit+0x10/0x20 [ 58.989754] dccp_transmit_skb+0x26e/0x420 [ 58.994001] dccp_xmit_packet+0x70/0x170 [ 58.998039] dccp_write_xmit+0x8d/0xb0 [ 59.001903] dccp_sendmsg+0x225/0x3c0 [ 59.005696] inet_sendmsg+0x5f/0x70 [ 59.009299] sock_sendmsg+0x57/0x60 [ 59.012948] ____sys_sendmsg+0x1fc/0x270 [ 59.016984] ? copy_msghdr_from_user+0x5b/0x90 [ 59.021547] ___sys_sendmsg+0x77/0xb0 [ 59.025847] ? find_held_lock+0x35/0xa0 [ 59.029817] ? __fget_files+0xe0/0x1d0 [ 59.033687] ? __fget_files+0xfa/0x1d0 [ 59.037552] ? __fget_light+0x5e/0x70 [ 59.041333] __sys_sendmsg+0x5d/0xb0 [ 59.045031] __x64_sys_sendmsg+0x1a/0x20 [ 59.049068] do_syscall_64+0x37/0x80 [ 59.052756] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.057925] RIP: 0033:0x453009 [ 59.061108] 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 [ 59.080002] RSP: 002b:00007f632aa07c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 59.087869] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 59.095137] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 59.102385] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 59.109915] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 59.117170] R13: 00000000ffffffff R14: 00007f632aa086d4 R15: 0000000000000002 [ 59.273110] 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() [ 59.286581] CPU: 0 PID: 6150 Comm: syz-executor1 Not tainted 5.9.0-rc8-syzkaller #0 [ 59.294377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.304245] Call Trace: [ 59.306839] [ 59.308977] dump_stack+0xa9/0xd1 [ 59.312529] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 59.317804] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 59.322468] dccp_deliver_input_to_ccids+0x31/0x70 [ 59.327399] dccp_rcv_established+0x49/0x70 [ 59.331721] dccp_v4_do_rcv+0x3b/0x60 [ 59.335516] __sk_receive_skb+0xcc/0x2b0 [ 59.339676] dccp_v4_rcv+0x44b/0x81a [ 59.343493] ip_protocol_deliver_rcu+0x224/0x270 [ 59.348259] ip_local_deliver_finish+0x8d/0x120 [ 59.353023] ip_local_deliver+0x17f/0x220 [ 59.357164] ? ip_protocol_deliver_rcu+0x270/0x270 [ 59.362094] ip_rcv_finish+0x3d/0x60 [ 59.365813] ip_rcv+0x15d/0x210 [ 59.369094] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 59.374294] ? process_backlog+0xb1/0x2d0 [ 59.378446] __netif_receive_skb_one_core+0x81/0x90 [ 59.383469] __netif_receive_skb+0x13/0x60 [ 59.387713] process_backlog+0x122/0x2d0 [ 59.391807] net_rx_action+0x187/0x4c0 [ 59.395704] __do_softirq+0xd3/0x494 [ 59.399425] ? ip_finish_output2+0x22b/0xa20 [ 59.403856] asm_call_irq_on_stack+0x12/0x20 [ 59.408268] [ 59.410498] do_softirq_own_stack+0x51/0x60 [ 59.414814] do_softirq.part.21+0x81/0xa0 [ 59.418984] __local_bh_enable_ip+0xfb/0x100 [ 59.422578] 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() [ 59.423391] ip_finish_output2+0x24f/0xa20 [ 59.423407] __ip_finish_output+0x11e/0x340 [ 59.445128] ? __ip_finish_output+0x11e/0x340 [ 59.449607] ? ip_output+0x184/0x250 [ 59.453314] ip_finish_output+0x27/0xa0 [ 59.457275] ip_output+0x79/0x250 [ 59.460722] ? __ip_finish_output+0x340/0x340 [ 59.465209] ip_local_out+0x3a/0x60 [ 59.468834] __ip_queue_xmit+0x1e4/0x5f0 [ 59.472908] ip_queue_xmit+0x10/0x20 [ 59.476630] dccp_transmit_skb+0x26e/0x420 [ 59.480860] dccp_xmit_packet+0x70/0x170 [ 59.484931] dccp_write_xmit+0x8d/0xb0 [ 59.488804] dccp_sendmsg+0x225/0x3c0 [ 59.492598] inet_sendmsg+0x5f/0x70 [ 59.496349] sock_sendmsg+0x57/0x60 [ 59.500172] ____sys_sendmsg+0x1fc/0x270 [ 59.504317] ? copy_msghdr_from_user+0x5b/0x90 [ 59.508904] ___sys_sendmsg+0x77/0xb0 [ 59.512710] ? find_held_lock+0x35/0xa0 [ 59.516868] ? __fget_files+0xe0/0x1d0 [ 59.520754] ? __fget_files+0xfa/0x1d0 [ 59.524627] ? __fget_light+0x5e/0x70 [ 59.528603] __sys_sendmsg+0x5d/0xb0 [ 59.532434] __x64_sys_sendmsg+0x1a/0x20 [ 59.536508] do_syscall_64+0x37/0x80 [ 59.540228] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.545402] RIP: 0033:0x453009 [ 59.548583] 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 [ 59.567564] RSP: 002b:00007f632aa07c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 59.575346] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 59.582670] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 59.591077] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 59.598335] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 59.605604] R13: 00000000ffffffff R14: 00007f632aa086d4 R15: 0000000000000002 [ 59.613025] CPU: 1 PID: 6191 Comm: syz-executor Not tainted 5.9.0-rc8-syzkaller #0 [ 59.620739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.630190] Call Trace: [ 59.632763] [ 59.634917] dump_stack+0xa9/0xd1 [ 59.638373] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 59.643576] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 59.648284] dccp_deliver_input_to_ccids+0x31/0x70 [ 59.653220] dccp_rcv_established+0x49/0x70 [ 59.658353] dccp_v4_do_rcv+0x3b/0x60 [ 59.662177] __sk_receive_skb+0xcc/0x2b0 [ 59.666279] dccp_v4_rcv+0x44b/0x81a [ 59.669997] ip_protocol_deliver_rcu+0x224/0x270 [ 59.676152] ip_local_deliver_finish+0x8d/0x120 [ 59.680843] ip_local_deliver+0x17f/0x220 [ 59.685026] ? ip_protocol_deliver_rcu+0x270/0x270 [ 59.690046] ip_rcv_finish+0x3d/0x60 [ 59.693774] ip_rcv+0x15d/0x210 [ 59.697053] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 59.702240] ? process_backlog+0xb1/0x2d0 [ 59.706379] __netif_receive_skb_one_core+0x81/0x90 [ 59.711486] __netif_receive_skb+0x13/0x60 [ 59.715717] process_backlog+0x122/0x2d0 [ 59.719883] net_rx_action+0x187/0x4c0 [ 59.723789] __do_softirq+0xd3/0x494 [ 59.727511] ? ip_finish_output2+0x22b/0xa20 [ 59.731931] asm_call_irq_on_stack+0x12/0x20 [ 59.736359] [ 59.738621] do_softirq_own_stack+0x51/0x60 [ 59.742951] do_softirq.part.21+0x81/0xa0 [ 59.747100] __local_bh_enable_ip+0xfb/0x100 [ 59.751522] ip_finish_output2+0x24f/0xa20 [ 59.755773] __ip_finish_output+0x11e/0x340 [ 59.760094] ? __ip_finish_output+0x11e/0x340 [ 59.764600] ? ip_output+0x184/0x250 [ 59.768331] ip_finish_output+0x27/0xa0 [ 59.772300] ip_output+0x79/0x250 [ 59.775850] ? __ip_finish_output+0x340/0x340 [ 59.780335] ip_local_out+0x3a/0x60 [ 59.783961] __ip_queue_xmit+0x1e4/0x5f0 [ 59.788019] ip_queue_xmit+0x10/0x20 [ 59.791715] dccp_transmit_skb+0x26e/0x420 [ 59.795925] dccp_xmit_packet+0x70/0x170 [ 59.799962] dccp_write_xmit+0x8d/0xb0 [ 59.803846] dccp_sendmsg+0x225/0x3c0 [ 59.807651] inet_sendmsg+0x5f/0x70 [ 59.811348] sock_sendmsg+0x57/0x60 [ 59.814963] ____sys_sendmsg+0x1fc/0x270 [ 59.819021] ? copy_msghdr_from_user+0x5b/0x90 [ 59.823634] ___sys_sendmsg+0x77/0xb0 [ 59.827664] ? find_held_lock+0x35/0xa0 [ 59.853442] ? __fget_files+0xe0/0x1d0 [ 59.857334] ? __fget_files+0xfa/0x1d0 [ 59.861208] ? __fget_light+0x5e/0x70 [ 59.864990] __sys_sendmsg+0x5d/0xb0 [ 59.868698] __x64_sys_sendmsg+0x1a/0x20 [ 59.872760] do_syscall_64+0x37/0x80 [ 59.879404] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.884589] RIP: 0033:0x453009 [ 59.887769] 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 [ 59.906906] RSP: 002b:00007ff3da9ffc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 59.914689] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 59.921949] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 59.929216] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 59.936484] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 59.943744] R13: 00000000ffffffff R14: 00007ff3daa006d4 R15: 0000000000000002 2020/10/07 05:29:04 executed programs: 613 [ 60.416235] 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() [ 60.429600] CPU: 1 PID: 6498 Comm: syz-executor2 Not tainted 5.9.0-rc8-syzkaller #0 [ 60.437395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.446753] Call Trace: [ 60.448970] 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() [ 60.449324] [ 60.464674] dump_stack+0xa9/0xd1 [ 60.468116] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 60.473296] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 60.477959] dccp_deliver_input_to_ccids+0x31/0x70 [ 60.482881] dccp_rcv_established+0x49/0x70 [ 60.487189] dccp_v4_do_rcv+0x3b/0x60 [ 60.490989] __sk_receive_skb+0xcc/0x2b0 [ 60.495040] dccp_v4_rcv+0x44b/0x81a [ 60.498746] ip_protocol_deliver_rcu+0x224/0x270 [ 60.503485] ip_local_deliver_finish+0x8d/0x120 [ 60.508135] ip_local_deliver+0x17f/0x220 [ 60.512281] ? ip_protocol_deliver_rcu+0x270/0x270 [ 60.517288] ip_rcv_finish+0x3d/0x60 [ 60.520986] ip_rcv+0x15d/0x210 [ 60.524253] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 60.529433] ? process_backlog+0xb1/0x2d0 [ 60.533579] __netif_receive_skb_one_core+0x81/0x90 [ 60.538589] __netif_receive_skb+0x13/0x60 [ 60.542813] process_backlog+0x122/0x2d0 [ 60.546889] net_rx_action+0x187/0x4c0 [ 60.550795] __do_softirq+0xd3/0x494 [ 60.554513] ? ip_finish_output2+0x22b/0xa20 [ 60.558912] asm_call_irq_on_stack+0x12/0x20 [ 60.563300] [ 60.566152] do_softirq_own_stack+0x51/0x60 [ 60.570457] do_softirq.part.21+0x81/0xa0 [ 60.574599] __local_bh_enable_ip+0xfb/0x100 [ 60.578990] ip_finish_output2+0x24f/0xa20 [ 60.583220] __ip_finish_output+0x11e/0x340 [ 60.587527] ? __ip_finish_output+0x11e/0x340 [ 60.592018] ? ip_output+0x184/0x250 [ 60.595718] ip_finish_output+0x27/0xa0 [ 60.599678] ip_output+0x79/0x250 [ 60.603123] ? __ip_finish_output+0x340/0x340 [ 60.607606] ip_local_out+0x3a/0x60 [ 60.611214] __ip_queue_xmit+0x1e4/0x5f0 [ 60.615274] ip_queue_xmit+0x10/0x20 [ 60.619062] dccp_transmit_skb+0x26e/0x420 [ 60.623298] dccp_xmit_packet+0x70/0x170 [ 60.627366] dccp_write_xmit+0x8d/0xb0 [ 60.631253] dccp_sendmsg+0x225/0x3c0 [ 60.635068] inet_sendmsg+0x5f/0x70 [ 60.638684] sock_sendmsg+0x57/0x60 [ 60.642312] ____sys_sendmsg+0x1fc/0x270 [ 60.646353] ? copy_msghdr_from_user+0x5b/0x90 [ 60.650938] ___sys_sendmsg+0x77/0xb0 [ 60.654743] ? find_held_lock+0x35/0xa0 [ 60.658817] ? __fget_files+0xe0/0x1d0 [ 60.662851] ? __fget_files+0xfa/0x1d0 [ 60.666744] ? __fget_light+0x5e/0x70 [ 60.670551] __sys_sendmsg+0x5d/0xb0 [ 60.674295] __x64_sys_sendmsg+0x1a/0x20 [ 60.678338] do_syscall_64+0x37/0x80 [ 60.682038] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.687223] RIP: 0033:0x453009 [ 60.690406] 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 [ 60.709568] RSP: 002b:00007febee108c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 60.717261] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 60.724528] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 60.731782] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 60.739038] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 60.746483] R13: 00000000ffffffff R14: 00007febee1096d4 R15: 0000000000000002 [ 60.753771] CPU: 0 PID: 6515 Comm: syz-executor1 Not tainted 5.9.0-rc8-syzkaller #0 [ 60.761581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.770935] Call Trace: [ 60.773505] [ 60.775649] dump_stack+0xa9/0xd1 [ 60.779105] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 60.784296] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 60.788990] dccp_deliver_input_to_ccids+0x31/0x70 [ 60.793929] dccp_rcv_established+0x49/0x70 [ 60.798255] dccp_v4_do_rcv+0x3b/0x60 [ 60.802054] __sk_receive_skb+0xcc/0x2b0 [ 60.806113] dccp_v4_rcv+0x44b/0x81a [ 60.810697] ip_protocol_deliver_rcu+0x224/0x270 [ 60.815459] ip_local_deliver_finish+0x8d/0x120 [ 60.820149] ip_local_deliver+0x17f/0x220 [ 60.824301] ? ip_protocol_deliver_rcu+0x270/0x270 [ 60.829260] ip_rcv_finish+0x3d/0x60 [ 60.832971] ip_rcv+0x15d/0x210 [ 60.836260] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 60.841635] ? process_backlog+0xb1/0x2d0 [ 60.845815] __netif_receive_skb_one_core+0x81/0x90 [ 60.850927] __netif_receive_skb+0x13/0x60 [ 60.855158] process_backlog+0x122/0x2d0 [ 60.859224] net_rx_action+0x187/0x4c0 [ 60.863126] __do_softirq+0xd3/0x494 [ 60.866850] ? ip_finish_output2+0x22b/0xa20 [ 60.871277] asm_call_irq_on_stack+0x12/0x20 [ 60.875689] [ 60.877950] do_softirq_own_stack+0x51/0x60 [ 60.882268] do_softirq.part.21+0x81/0xa0 [ 60.886406] __local_bh_enable_ip+0xfb/0x100 [ 60.890810] ip_finish_output2+0x24f/0xa20 [ 60.895053] __ip_finish_output+0x11e/0x340 [ 60.899360] ? __ip_finish_output+0x11e/0x340 [ 60.903882] ? ip_output+0x184/0x250 [ 60.907619] ip_finish_output+0x27/0xa0 [ 60.911588] ip_output+0x79/0x250 [ 60.915042] ? __ip_finish_output+0x340/0x340 [ 60.919525] ip_local_out+0x3a/0x60 [ 60.923151] __ip_queue_xmit+0x1e4/0x5f0 [ 60.927219] ip_queue_xmit+0x10/0x20 [ 60.930945] dccp_transmit_skb+0x26e/0x420 [ 60.935167] dccp_xmit_packet+0x70/0x170 [ 60.939221] dccp_write_xmit+0x8d/0xb0 [ 60.943123] dccp_sendmsg+0x225/0x3c0 [ 60.946915] inet_sendmsg+0x5f/0x70 [ 60.950516] sock_sendmsg+0x57/0x60 [ 60.954134] ____sys_sendmsg+0x1fc/0x270 [ 60.958169] ? copy_msghdr_from_user+0x5b/0x90 [ 60.962748] ___sys_sendmsg+0x77/0xb0 [ 60.966527] ? find_held_lock+0x35/0xa0 [ 60.970617] ? __fget_files+0xe0/0x1d0 [ 60.974482] ? __fget_files+0xfa/0x1d0 [ 60.978343] ? __fget_light+0x5e/0x70 [ 60.982299] __sys_sendmsg+0x5d/0xb0 [ 60.986960] __x64_sys_sendmsg+0x1a/0x20 [ 60.991006] do_syscall_64+0x37/0x80 [ 60.994700] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.999880] RIP: 0033:0x453009 [ 61.003045] 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 [ 61.021927] RSP: 002b:00007f632aa07c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 61.029628] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 61.036991] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 61.044263] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 61.051530] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 61.058822] R13: 00000000ffffffff R14: 00007f632aa086d4 R15: 0000000000000002 [ 61.103770] 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() [ 61.117050] CPU: 1 PID: 6577 Comm: syz-executor3 Not tainted 5.9.0-rc8-syzkaller #0 [ 61.125046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.134421] Call Trace: [ 61.136996] [ 61.139138] dump_stack+0xa9/0xd1 [ 61.142587] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 61.147768] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 61.152438] dccp_deliver_input_to_ccids+0x31/0x70 [ 61.157378] dccp_rcv_established+0x49/0x70 [ 61.161707] dccp_v4_do_rcv+0x3b/0x60 [ 61.165499] __sk_receive_skb+0xcc/0x2b0 [ 61.169561] dccp_v4_rcv+0x44b/0x81a [ 61.173369] ip_protocol_deliver_rcu+0x224/0x270 [ 61.178130] ip_local_deliver_finish+0x8d/0x120 [ 61.182795] ip_local_deliver+0x17f/0x220 [ 61.186939] ? ip_protocol_deliver_rcu+0x270/0x270 [ 61.191869] ip_rcv_finish+0x3d/0x60 [ 61.195671] ip_rcv+0x15d/0x210 [ 61.198942] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 61.204142] ? process_backlog+0xb1/0x2d0 [ 61.208323] __netif_receive_skb_one_core+0x81/0x90 [ 61.213348] __netif_receive_skb+0x13/0x60 [ 61.217586] process_backlog+0x122/0x2d0 [ 61.221649] net_rx_action+0x187/0x4c0 [ 61.225548] __do_softirq+0xd3/0x494 [ 61.230567] ? ip_finish_output2+0x22b/0xa20 [ 61.234978] asm_call_irq_on_stack+0x12/0x20 [ 61.239387] [ 61.241624] do_softirq_own_stack+0x51/0x60 [ 61.245973] do_softirq.part.21+0x81/0xa0 [ 61.250112] __local_bh_enable_ip+0xfb/0x100 [ 61.254519] ip_finish_output2+0x24f/0xa20 [ 61.258763] __ip_finish_output+0x11e/0x340 [ 61.263082] ? __ip_finish_output+0x11e/0x340 [ 61.267596] ? ip_output+0x184/0x250 [ 61.271307] ip_finish_output+0x27/0xa0 [ 61.275265] ip_output+0x79/0x250 [ 61.278704] ? __ip_finish_output+0x340/0x340 [ 61.283208] ip_local_out+0x3a/0x60 [ 61.286822] __ip_queue_xmit+0x1e4/0x5f0 [ 61.290879] ip_queue_xmit+0x10/0x20 [ 61.294568] dccp_transmit_skb+0x26e/0x420 [ 61.298867] dccp_xmit_packet+0x70/0x170 [ 61.302929] dccp_write_xmit+0x8d/0xb0 [ 61.306925] dccp_sendmsg+0x225/0x3c0 [ 61.310718] inet_sendmsg+0x5f/0x70 [ 61.314387] sock_sendmsg+0x57/0x60 [ 61.318000] ____sys_sendmsg+0x1fc/0x270 [ 61.322042] ? copy_msghdr_from_user+0x5b/0x90 [ 61.326645] ___sys_sendmsg+0x77/0xb0 [ 61.330452] ? find_held_lock+0x35/0xa0 [ 61.334406] ? __fget_files+0xe0/0x1d0 [ 61.338292] ? __fget_files+0xfa/0x1d0 [ 61.342178] ? __fget_light+0x5e/0x70 [ 61.345974] __sys_sendmsg+0x5d/0xb0 [ 61.349678] __x64_sys_sendmsg+0x1a/0x20 [ 61.353732] do_syscall_64+0x37/0x80 [ 61.357423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.362589] RIP: 0033:0x453009 [ 61.365768] 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 [ 61.384678] RSP: 002b:00007fdbd6c22c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e [ 61.392385] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009 [ 61.399631] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005 [ 61.406892] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000 [ 61.414162] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90 [ 61.421414] R13: 00000000ffffffff R14: 00007fdbd6c236d4 R15: 0000000000000002 [ 61.434125] net_ratelimit: 302 callbacks suppressed [ 61.434127] dccp_close: ABORT with 24 bytes unread [ 61.472902] dccp_close: ABORT with 24 bytes unread [ 61.479632] dccp_close: ABORT with 24 bytes unread [ 61.492392] dccp_close: ABORT with 24 bytes unread [ 61.498966] 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() [ 61.512478] CPU: 1 PID: 6645 Comm: syz-executor Not tainted 5.9.0-rc8-syzkaller #0 [ 61.515817] dccp_close: ABORT with 24 bytes unread [ 61.520194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.520197] Call Trace: [ 61.520201] [ 61.520211] dump_stack+0xa9/0xd1 [ 61.520222] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58 [ 61.520228] ccid3_hc_rx_packet_recv+0xde/0x3b0 [ 61.520243] dccp_deliver_input_to_ccids+0x31/0x70 [ 61.520249] dccp_rcv_established+0x49/0x70 [ 61.520256] dccp_v4_do_rcv+0x3b/0x60 [ 61.520265] __sk_receive_skb+0xcc/0x2b0 [ 61.530414] dccp_close: ABORT with 24 bytes unread [ 61.535053] dccp_v4_rcv+0x44b/0x81a [ 61.535070] ip_protocol_deliver_rcu+0x224/0x270 [ 61.535080] ip_local_deliver_finish+0x8d/0x120 [ 61.535086] ip_local_deliver+0x17f/0x220 [ 61.535095] ? ip_protocol_deliver_rcu+0x270/0x270 [ 61.541563] dccp_close: ABORT with 24 bytes unread [ 61.543333] ip_rcv_finish+0x3d/0x60 [ 61.543340] ip_rcv+0x15d/0x210 [ 61.569446] dccp_close: ABORT with 24 bytes unread [ 61.570268] ? ip_rcv_finish_core.isra.20+0x610/0x610 [ 61.570278] ? process_backlog+0xb1/0x2d0 [ 61.616649] 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() [ 61.619438] __netif_receive_skb_one_core+0x81/0x90 [ 61.619449] __netif_receive_skb+0x13/0x60 [ 61.619456] process_backlog+0x122/0x2d0 [ 61.619470] net_rx_action+0x187/0x4c0 [ 61.619495] __do_softirq+0xd3/0x494 [ 61.657823] ? ip_finish_output2+0x22b/0xa20 [ 61.662252] asm_call_irq_on_stack+0x12/0x20 [ 61.666646] [ 61.668874] do_softirq_own_stack+0x51/0x60 [ 61.673176] do_softirq.part.21+0x81/0xa0 [ 61.677305] __local_bh_enable_ip+0xfb/0x100 [ 61.681699] ip_finish_output2+0x24f/0xa20 [ 61.685927] __ip_finish_output+0x11e/0x340 [ 61.690403] ? __ip_finish_output+0x11e/0x340 [ 61.694878] ? ip_output+0x184/0x250 [ 61.698578] ip_finish_output+0x27/0xa0 [ 61.702537] ip_output+0x79/0x250 [ 61.705986] ? __ip_finish_output+0x340/0x340 [ 61.710490] ip_local_out+0x3a/0x60 [ 61.714226] __ip_queue_xmit+0x1e4/0x5f0 [ 61.718304] ip_queue_xmit+0x10/0x20 [ 61.722022] dccp_transmit_skb+0x26e/0x420 [ 61.726244] dccp_xmit_packet+0x70/0x170 [ 61.730292] dccp_write_xmit+0x8d/0xb0 [ 61.734161] dccp_sendmsg+0x225/0x3c0 [ 61.737966] inet_sendmsg+0x5f/0x70 [ 61.741581] sock_sendmsg+0x57/0x60 [ 61.745192] ____sys_sendmsg+0x1fc/0x270 [ 61.749234] ? copy_msghdr_from_user+0x5b/0x90 [ 61.754523] ___sys_sendmsg+0x77/0xb0 [ 61.758314] ? find_held_lock+0x35/0xa0 [ 61.762279] ? __fget_files+0xe0/0x1d0 [ 61.766161] ? __fget_files+0xfa/0x1d0 [ 61.770039] ? __fget_light+0x5e/0x70