[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Debian GNU/Linux 9 syzkaller ttyS0
syzkaller login: [ 45.288378] can: request_module (can-proto-0) failed.
[ 45.291464] can: request_module (can-proto-0) failed.
[ 46.133671] tipc: TX() has been purged, node left!
Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts.
2020/08/27 04:11:07 parsed 1 programs
2020/08/27 04:11:07 executed programs: 0
[ 53.502936] dccp_close: ABORT with 24 bytes unread
[ 53.507535] dccp_close: ABORT with 24 bytes unread
[ 53.510243] dccp_close: ABORT with 24 bytes unread
[ 53.519613] dccp_close: ABORT with 24 bytes unread
[ 53.526327] dccp_close: ABORT with 24 bytes unread
[ 53.546471] dccp_close: ABORT with 24 bytes unread
[ 53.557477] dccp_close: ABORT with 24 bytes unread
[ 53.566053] dccp_close: ABORT with 24 bytes unread
[ 53.574204] dccp_close: ABORT with 24 bytes unread
[ 53.589534] dccp_close: ABORT with 24 bytes unread
[ 53.701380] 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()
[ 53.714915] CPU: 1 PID: 4121 Comm: syz-executor5 Not tainted 5.9.0-rc2-syzkaller #0
[ 53.723358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.733101] Call Trace:
[ 53.735689]
[ 53.737843] dump_stack+0xb9/0xf1
[ 53.741328] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 53.746550] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 53.751314] dccp_deliver_input_to_ccids+0x31/0x70
[ 53.756242] dccp_rcv_established+0x49/0x70
[ 53.760598] dccp_v4_do_rcv+0x3b/0x60
[ 53.764398] __sk_receive_skb+0xcc/0x2b0
[ 53.768458] dccp_v4_rcv+0x44b/0x81a
[ 53.772172] ip_protocol_deliver_rcu+0x224/0x270
[ 53.776921] ip_local_deliver_finish+0x8d/0x120
[ 53.781708] ip_local_deliver+0x17f/0x220
[ 53.785938] ? ip_protocol_deliver_rcu+0x270/0x270
[ 53.790861] ip_rcv_finish+0x3d/0x60
[ 53.794570] ip_rcv+0x15d/0x210
[ 53.798810] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 53.804014] ? process_backlog+0x90/0x280
[ 53.808182] __netif_receive_skb_one_core+0x81/0x90
[ 53.813214] __netif_receive_skb+0x13/0x60
[ 53.817446] process_backlog+0x101/0x280
[ 53.821513] net_rx_action+0x16f/0x470
[ 53.825399] ? mark_held_locks+0x4e/0x80
[ 53.829462] __do_softirq+0xd4/0x472
[ 53.833171] asm_call_on_stack+0x12/0x20
[ 53.837229]
[ 53.839459] do_softirq_own_stack+0x53/0x60
[ 53.843791] do_softirq.part.20+0x8a/0xa0
[ 53.848705] ? ip_finish_output2+0x22b/0xa00
[ 53.853109] __local_bh_enable_ip+0xcc/0xd0
[ 53.857791] ip_finish_output2+0x24f/0xa00
[ 53.862014] __ip_finish_output+0x11e/0x330
[ 53.866362] ? __ip_finish_output+0x11e/0x330
[ 53.870852] ? ip_output+0x184/0x250
[ 53.874558] ip_finish_output+0x27/0xa0
[ 53.879294] ip_output+0x79/0x250
[ 53.883228] ? __ip_finish_output+0x330/0x330
[ 53.887862] ip_local_out+0x3a/0x60
[ 53.891648] __ip_queue_xmit+0x1e4/0x5e0
[ 53.895718] ip_queue_xmit+0x10/0x20
[ 53.899422] dccp_transmit_skb+0x26e/0x420
[ 53.903654] dccp_xmit_packet+0x70/0x170
[ 53.908145] dccp_write_xmit+0x8d/0xb0
[ 53.912032] dccp_sendmsg+0x225/0x3c0
[ 53.915817] inet_sendmsg+0x5f/0x70
[ 53.919509] sock_sendmsg+0x57/0x60
[ 53.923127] ____sys_sendmsg+0x1fc/0x270
[ 53.927169] ? copy_msghdr_from_user+0x5b/0x90
[ 53.931732] ___sys_sendmsg+0x77/0xb0
[ 53.935603] ? lock_acquire+0xc9/0x3a0
[ 53.939470] ? find_held_lock+0x35/0xa0
[ 53.943433] ? __fget_files+0xe0/0x1d0
[ 53.947311] ? __fget_files+0xfa/0x1d0
[ 53.951187] ? __fget_light+0x5e/0x70
[ 53.955220] __sys_sendmsg+0x5d/0xb0
[ 53.958945] __x64_sys_sendmsg+0x1a/0x20
[ 53.962980] do_syscall_64+0x37/0x80
[ 53.966684] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 53.972370] RIP: 0033:0x453009
[ 53.975536] 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
[ 53.994521] RSP: 002b:00007fd56e2b6c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 54.002256] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 54.009649] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 54.016901] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 54.024166] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 54.031428] R13: 00000000ffffffff R14: 00007fd56e2b76d4 R15: 0000000000000004
[ 54.145894] 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()
[ 54.159219] CPU: 1 PID: 4226 Comm: syz-executor1 Not tainted 5.9.0-rc2-syzkaller #0
[ 54.167047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.176399] Call Trace:
[ 54.178965]
[ 54.181108] dump_stack+0xb9/0xf1
[ 54.184569] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 54.189762] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 54.194443] dccp_deliver_input_to_ccids+0x31/0x70
[ 54.199377] dccp_rcv_established+0x49/0x70
[ 54.203682] dccp_v4_do_rcv+0x3b/0x60
[ 54.207528] __sk_receive_skb+0xcc/0x2b0
[ 54.211582] dccp_v4_rcv+0x44b/0x81a
[ 54.215297] ip_protocol_deliver_rcu+0x224/0x270
[ 54.220052] ip_local_deliver_finish+0x8d/0x120
[ 54.224721] ip_local_deliver+0x17f/0x220
[ 54.228871] ? ip_protocol_deliver_rcu+0x270/0x270
[ 54.233811] ip_rcv_finish+0x3d/0x60
[ 54.237553] ip_rcv+0x15d/0x210
[ 54.240277] 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()
[ 54.240842] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 54.240850] ? process_backlog+0x90/0x280
[ 54.240854] __netif_receive_skb_one_core+0x81/0x90
[ 54.240860] __netif_receive_skb+0x13/0x60
[ 54.240865] process_backlog+0x101/0x280
[ 54.240874] net_rx_action+0x16f/0x470
[ 54.240880] ? mark_held_locks+0x4e/0x80
[ 54.240893] __do_softirq+0xd4/0x472
[ 54.288382] asm_call_on_stack+0x12/0x20
[ 54.292430]
[ 54.294933] do_softirq_own_stack+0x53/0x60
[ 54.299241] do_softirq.part.20+0x8a/0xa0
[ 54.303477] ? ip_finish_output2+0x22b/0xa00
[ 54.307964] __local_bh_enable_ip+0xcc/0xd0
[ 54.312277] ip_finish_output2+0x24f/0xa00
[ 54.316600] __ip_finish_output+0x11e/0x330
[ 54.320938] ? __ip_finish_output+0x11e/0x330
[ 54.325425] ? ip_output+0x184/0x250
[ 54.329124] ip_finish_output+0x27/0xa0
[ 54.333088] ip_output+0x79/0x250
[ 54.336530] ? __ip_finish_output+0x330/0x330
[ 54.341030] ip_local_out+0x3a/0x60
[ 54.344659] __ip_queue_xmit+0x1e4/0x5e0
[ 54.348725] ip_queue_xmit+0x10/0x20
[ 54.352419] dccp_transmit_skb+0x26e/0x420
[ 54.356637] dccp_xmit_packet+0x70/0x170
[ 54.360682] dccp_write_xmit+0x8d/0xb0
[ 54.364557] dccp_sendmsg+0x225/0x3c0
[ 54.368364] inet_sendmsg+0x5f/0x70
[ 54.372028] sock_sendmsg+0x57/0x60
[ 54.375643] ____sys_sendmsg+0x1fc/0x270
[ 54.379683] ? copy_msghdr_from_user+0x5b/0x90
[ 54.384256] ___sys_sendmsg+0x77/0xb0
[ 54.388046] ? lock_acquire+0xc9/0x3a0
[ 54.391914] ? find_held_lock+0x35/0xa0
[ 54.395873] ? __fget_files+0xe0/0x1d0
[ 54.399773] ? __fget_files+0xfa/0x1d0
[ 54.403665] ? __fget_light+0x5e/0x70
[ 54.407454] __sys_sendmsg+0x5d/0xb0
[ 54.411510] __x64_sys_sendmsg+0x1a/0x20
[ 54.415556] do_syscall_64+0x37/0x80
[ 54.419331] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 54.424508] RIP: 0033:0x453009
[ 54.427683] 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
[ 54.446578] RSP: 002b:00007f2148929c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 54.454294] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 54.461550] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 54.468806] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 54.476059] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 54.483312] R13: 00000000ffffffff R14: 00007f214892a6d4 R15: 0000000000000002
[ 54.490614] CPU: 0 PID: 4256 Comm: syz-executor Not tainted 5.9.0-rc2-syzkaller #0
[ 54.498329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.507684] Call Trace:
[ 54.510266]
[ 54.512431] dump_stack+0xb9/0xf1
[ 54.515973] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 54.521199] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 54.525876] dccp_deliver_input_to_ccids+0x31/0x70
[ 54.530815] dccp_rcv_established+0x49/0x70
[ 54.535160] dccp_v4_do_rcv+0x3b/0x60
[ 54.539011] __sk_receive_skb+0xcc/0x2b0
[ 54.543065] dccp_v4_rcv+0x44b/0x81a
[ 54.546782] ip_protocol_deliver_rcu+0x224/0x270
[ 54.551546] ip_local_deliver_finish+0x8d/0x120
[ 54.556229] ip_local_deliver+0x17f/0x220
[ 54.560518] ? ip_protocol_deliver_rcu+0x270/0x270
[ 54.565450] ip_rcv_finish+0x3d/0x60
[ 54.569159] ip_rcv+0x15d/0x210
[ 54.572459] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 54.577651] ? process_backlog+0x90/0x280
[ 54.581794] __netif_receive_skb_one_core+0x81/0x90
[ 54.586860] __netif_receive_skb+0x13/0x60
[ 54.591181] process_backlog+0x101/0x280
[ 54.595278] net_rx_action+0x16f/0x470
[ 54.599158] ? mark_held_locks+0x4e/0x80
[ 54.603255] __do_softirq+0xd4/0x472
[ 54.606973] asm_call_on_stack+0x12/0x20
[ 54.611016]
[ 54.613253] do_softirq_own_stack+0x53/0x60
[ 54.617563] do_softirq.part.20+0x8a/0xa0
[ 54.621697] ? ip_finish_output2+0x22b/0xa00
[ 54.626084] __local_bh_enable_ip+0xcc/0xd0
[ 54.630387] ip_finish_output2+0x24f/0xa00
[ 54.634606] __ip_finish_output+0x11e/0x330
[ 54.638909] ? __ip_finish_output+0x11e/0x330
[ 54.643535] ? ip_output+0x184/0x250
[ 54.647235] ip_finish_output+0x27/0xa0
[ 54.651207] ip_output+0x79/0x250
[ 54.654687] ? __ip_finish_output+0x330/0x330
[ 54.659327] ip_local_out+0x3a/0x60
[ 54.662965] __ip_queue_xmit+0x1e4/0x5e0
[ 54.667022] ip_queue_xmit+0x10/0x20
[ 54.670719] dccp_transmit_skb+0x26e/0x420
[ 54.674953] dccp_xmit_packet+0x70/0x170
[ 54.679007] dccp_write_xmit+0x8d/0xb0
[ 54.682876] dccp_sendmsg+0x225/0x3c0
[ 54.686685] inet_sendmsg+0x5f/0x70
[ 54.690293] sock_sendmsg+0x57/0x60
[ 54.693906] ____sys_sendmsg+0x1fc/0x270
[ 54.697945] ? copy_msghdr_from_user+0x5b/0x90
[ 54.702565] ___sys_sendmsg+0x77/0xb0
[ 54.706347] ? lock_acquire+0xc9/0x3a0
[ 54.710217] ? find_held_lock+0x35/0xa0
[ 54.714213] ? __fget_files+0xe0/0x1d0
[ 54.718093] ? __fget_files+0xfa/0x1d0
[ 54.721967] ? __fget_light+0x5e/0x70
[ 54.725758] __sys_sendmsg+0x5d/0xb0
[ 54.729466] __x64_sys_sendmsg+0x1a/0x20
[ 54.733502] do_syscall_64+0x37/0x80
[ 54.737326] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 54.742703] RIP: 0033:0x453009
[ 54.746064] 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
[ 54.765053] RSP: 002b:00007fc714d2cc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 54.772756] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 54.780148] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 54.787423] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 54.794869] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 54.802174] R13: 00000000ffffffff R14: 00007fc714d2d6d4 R15: 0000000000000002
[ 55.400072] 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()
[ 55.413318] CPU: 1 PID: 4654 Comm: syz-executor5 Not tainted 5.9.0-rc2-syzkaller #0
[ 55.421131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.430678] Call Trace:
[ 55.433256]
[ 55.435396] dump_stack+0xb9/0xf1
[ 55.438845] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 55.444034] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 55.448698] dccp_deliver_input_to_ccids+0x31/0x70
[ 55.453630] dccp_rcv_established+0x49/0x70
[ 55.457989] dccp_v4_do_rcv+0x3b/0x60
[ 55.461785] __sk_receive_skb+0xcc/0x2b0
[ 55.465863] dccp_v4_rcv+0x44b/0x81a
[ 55.469576] ip_protocol_deliver_rcu+0x224/0x270
[ 55.474340] ip_local_deliver_finish+0x8d/0x120
[ 55.479001] ip_local_deliver+0x17f/0x220
[ 55.483237] ? ip_protocol_deliver_rcu+0x270/0x270
[ 55.488172] ip_rcv_finish+0x3d/0x60
[ 55.491885] ip_rcv+0x15d/0x210
[ 55.495174] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 55.500361] ? process_backlog+0x90/0x280
[ 55.504501] __netif_receive_skb_one_core+0x81/0x90
[ 55.509519] __netif_receive_skb+0x13/0x60
[ 55.513755] process_backlog+0x101/0x280
[ 55.517826] net_rx_action+0x16f/0x470
[ 55.521729] ? mark_held_locks+0x4e/0x80
[ 55.525826] __do_softirq+0xd4/0x472
[ 55.529537] asm_call_on_stack+0x12/0x20
[ 55.533599]
[ 55.535834] do_softirq_own_stack+0x53/0x60
[ 55.540225] do_softirq.part.20+0x8a/0xa0
[ 55.544366] ? ip_finish_output2+0x22b/0xa00
[ 55.548766] __local_bh_enable_ip+0xcc/0xd0
[ 55.553222] ip_finish_output2+0x24f/0xa00
[ 55.557456] __ip_finish_output+0x11e/0x330
[ 55.561932] ? __ip_finish_output+0x11e/0x330
[ 55.566486] ? ip_output+0x184/0x250
[ 55.570176] ip_finish_output+0x27/0xa0
[ 55.574140] ip_output+0x79/0x250
[ 55.577597] ? __ip_finish_output+0x330/0x330
[ 55.582103] ip_local_out+0x3a/0x60
[ 55.585759] __ip_queue_xmit+0x1e4/0x5e0
[ 55.589841] ip_queue_xmit+0x10/0x20
[ 55.593532] dccp_transmit_skb+0x26e/0x420
[ 55.597759] dccp_xmit_packet+0x70/0x170
[ 55.601891] dccp_write_xmit+0x8d/0xb0
[ 55.605763] dccp_sendmsg+0x225/0x3c0
[ 55.609543] inet_sendmsg+0x5f/0x70
[ 55.613159] sock_sendmsg+0x57/0x60
[ 55.617282] ____sys_sendmsg+0x1fc/0x270
[ 55.621319] ? copy_msghdr_from_user+0x5b/0x90
[ 55.625880] ___sys_sendmsg+0x77/0xb0
[ 55.629674] ? lock_acquire+0xc9/0x3a0
[ 55.633575] ? find_held_lock+0x35/0xa0
[ 55.637532] ? __fget_files+0xe0/0x1d0
[ 55.641396] ? __fget_files+0xfa/0x1d0
[ 55.645257] ? __fget_light+0x5e/0x70
[ 55.649033] __sys_sendmsg+0x5d/0xb0
[ 55.652726] __x64_sys_sendmsg+0x1a/0x20
[ 55.656783] do_syscall_64+0x37/0x80
[ 55.660473] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 55.665747] RIP: 0033:0x453009
[ 55.668912] 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
[ 55.687792] RSP: 002b:00007fd56e2b6c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 55.695498] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 55.702750] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 55.710027] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 55.717471] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 55.724828] R13: 00000000ffffffff R14: 00007fd56e2b76d4 R15: 0000000000000002
[ 56.688486] 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()
[ 56.701830] CPU: 1 PID: 5289 Comm: syz-executor4 Not tainted 5.9.0-rc2-syzkaller #0
[ 56.709656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.719128] Call Trace:
[ 56.721695]
[ 56.723837] dump_stack+0xb9/0xf1
[ 56.727288] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 56.732499] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 56.737283] dccp_deliver_input_to_ccids+0x31/0x70
[ 56.742207] dccp_rcv_established+0x49/0x70
[ 56.746617] dccp_v4_do_rcv+0x3b/0x60
[ 56.750418] __sk_receive_skb+0xcc/0x2b0
[ 56.754462] dccp_v4_rcv+0x44b/0x81a
[ 56.758167] ip_protocol_deliver_rcu+0x224/0x270
[ 56.763028] ip_local_deliver_finish+0x8d/0x120
[ 56.767703] ip_local_deliver+0x17f/0x220
[ 56.771847] ? ip_protocol_deliver_rcu+0x270/0x270
[ 56.776772] ip_rcv_finish+0x3d/0x60
[ 56.780475] ip_rcv+0x15d/0x210
[ 56.783817] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 56.789006] ? process_backlog+0x90/0x280
[ 56.793179] __netif_receive_skb_one_core+0x81/0x90
[ 56.798189] __netif_receive_skb+0x13/0x60
[ 56.802421] process_backlog+0x101/0x280
[ 56.806481] net_rx_action+0x16f/0x470
[ 56.810361] ? mark_held_locks+0x4e/0x80
[ 56.814428] __do_softirq+0xd4/0x472
[ 56.818147] asm_call_on_stack+0x12/0x20
[ 56.822200]
[ 56.824498] do_softirq_own_stack+0x53/0x60
[ 56.828820] do_softirq.part.20+0x8a/0xa0
[ 56.832946] ? ip_finish_output2+0x22b/0xa00
[ 56.838952] __local_bh_enable_ip+0xcc/0xd0
[ 56.843249] ip_finish_output2+0x24f/0xa00
[ 56.847491] __ip_finish_output+0x11e/0x330
[ 56.851809] ? __ip_finish_output+0x11e/0x330
[ 56.856283] ? ip_output+0x184/0x250
[ 56.859996] ip_finish_output+0x27/0xa0
[ 56.863951] ip_output+0x79/0x250
[ 56.867392] ? __ip_finish_output+0x330/0x330
[ 56.871862] ip_local_out+0x3a/0x60
[ 56.875480] __ip_queue_xmit+0x1e4/0x5e0
[ 56.879550] ip_queue_xmit+0x10/0x20
[ 56.883250] dccp_transmit_skb+0x26e/0x420
[ 56.887478] dccp_xmit_packet+0x70/0x170
[ 56.891534] dccp_write_xmit+0x8d/0xb0
[ 56.895397] dccp_sendmsg+0x225/0x3c0
[ 56.899207] inet_sendmsg+0x5f/0x70
[ 56.902813] sock_sendmsg+0x57/0x60
[ 56.906816] ____sys_sendmsg+0x1fc/0x270
[ 56.910864] ? copy_msghdr_from_user+0x5b/0x90
[ 56.915430] ___sys_sendmsg+0x77/0xb0
[ 56.919213] ? lock_acquire+0xc9/0x3a0
[ 56.923093] ? find_held_lock+0x35/0xa0
[ 56.927045] ? __fget_files+0xe0/0x1d0
[ 56.930920] ? __fget_files+0xfa/0x1d0
[ 56.934807] ? __fget_light+0x5e/0x70
[ 56.938586] __sys_sendmsg+0x5d/0xb0
[ 56.942279] __x64_sys_sendmsg+0x1a/0x20
[ 56.946315] do_syscall_64+0x37/0x80
[ 56.950088] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 56.955272] RIP: 0033:0x453009
[ 56.958448] 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
[ 56.977332] RSP: 002b:00007fc022ee5c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 56.985031] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 56.992295] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 56.999548] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 57.006801] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 57.014066] R13: 00000000ffffffff R14: 00007fc022ee66d4 R15: 0000000000000002
[ 57.201153] 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()
[ 57.214430] CPU: 1 PID: 5435 Comm: syz-executor Not tainted 5.9.0-rc2-syzkaller #0
[ 57.222508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.232461] Call Trace:
[ 57.235027]
[ 57.237152] dump_stack+0xb9/0xf1
[ 57.240594] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 57.245779] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 57.250453] dccp_deliver_input_to_ccids+0x31/0x70
[ 57.255459] dccp_rcv_established+0x49/0x70
[ 57.259855] dccp_v4_do_rcv+0x3b/0x60
[ 57.263652] __sk_receive_skb+0xcc/0x2b0
[ 57.267696] dccp_v4_rcv+0x44b/0x81a
[ 57.271406] ip_protocol_deliver_rcu+0x224/0x270
[ 57.276281] ip_local_deliver_finish+0x8d/0x120
[ 57.280937] ip_local_deliver+0x17f/0x220
[ 57.285072] ? ip_protocol_deliver_rcu+0x270/0x270
[ 57.289992] ip_rcv_finish+0x3d/0x60
[ 57.293728] ip_rcv+0x15d/0x210
[ 57.297100] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 57.302335] ? process_backlog+0x90/0x280
[ 57.306485] __netif_receive_skb_one_core+0x81/0x90
[ 57.311513] __netif_receive_skb+0x13/0x60
[ 57.315746] process_backlog+0x101/0x280
[ 57.319847] net_rx_action+0x16f/0x470
[ 57.323746] ? mark_held_locks+0x4e/0x80
[ 57.327831] __do_softirq+0xd4/0x472
[ 57.331545] asm_call_on_stack+0x12/0x20
[ 57.335605]
[ 57.337830] do_softirq_own_stack+0x53/0x60
[ 57.342168] do_softirq.part.20+0x8a/0xa0
[ 57.346309] ? ip_finish_output2+0x22b/0xa00
[ 57.350713] __local_bh_enable_ip+0xcc/0xd0
[ 57.355034] ip_finish_output2+0x24f/0xa00
[ 57.359274] __ip_finish_output+0x11e/0x330
[ 57.363595] ? __ip_finish_output+0x11e/0x330
[ 57.368091] ? ip_output+0x184/0x250
[ 57.371810] ip_finish_output+0x27/0xa0
[ 57.375774] ip_output+0x79/0x250
[ 57.379260] ? __ip_finish_output+0x330/0x330
[ 57.383758] ip_local_out+0x3a/0x60
[ 57.387378] __ip_queue_xmit+0x1e4/0x5e0
[ 57.391438] ip_queue_xmit+0x10/0x20
[ 57.395147] dccp_transmit_skb+0x26e/0x420
[ 57.399370] dccp_xmit_packet+0x70/0x170
[ 57.403421] dccp_write_xmit+0x8d/0xb0
[ 57.407545] dccp_sendmsg+0x225/0x3c0
[ 57.411332] inet_sendmsg+0x5f/0x70
[ 57.415166] sock_sendmsg+0x57/0x60
[ 57.419214] ____sys_sendmsg+0x1fc/0x270
[ 57.423296] ? copy_msghdr_from_user+0x5b/0x90
[ 57.427863] ___sys_sendmsg+0x77/0xb0
[ 57.431652] ? lock_acquire+0xc9/0x3a0
[ 57.435723] ? find_held_lock+0x35/0xa0
[ 57.439811] ? __fget_files+0xe0/0x1d0
[ 57.443684] ? __fget_files+0xfa/0x1d0
[ 57.447554] ? __fget_light+0x5e/0x70
[ 57.451334] __sys_sendmsg+0x5d/0xb0
[ 57.455026] __x64_sys_sendmsg+0x1a/0x20
[ 57.459064] do_syscall_64+0x37/0x80
[ 57.462755] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 57.467934] RIP: 0033:0x453009
[ 57.471123] 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
[ 57.490026] RSP: 002b:00007fc714d2cc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
2020/08/27 04:11:12 executed programs: 369
[ 57.497728] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 57.505063] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 57.512323] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 57.519572] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 57.526834] R13: 00000000ffffffff R14: 00007fc714d2d6d4 R15: 0000000000000002
[ 57.692289] 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()
[ 57.705550] CPU: 0 PID: 5576 Comm: syz-executor5 Not tainted 5.9.0-rc2-syzkaller #0
[ 57.713329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.722667] Call Trace:
[ 57.725234]
[ 57.727375] dump_stack+0xb9/0xf1
[ 57.730820] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 57.736006] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 57.740762] dccp_deliver_input_to_ccids+0x31/0x70
[ 57.745709] dccp_rcv_established+0x49/0x70
[ 57.750039] dccp_v4_do_rcv+0x3b/0x60
[ 57.753845] __sk_receive_skb+0xcc/0x2b0
[ 57.757902] dccp_v4_rcv+0x44b/0x81a
[ 57.761621] ip_protocol_deliver_rcu+0x224/0x270
[ 57.766900] ip_local_deliver_finish+0x8d/0x120
[ 57.771572] ip_local_deliver+0x17f/0x220
[ 57.775713] ? ip_protocol_deliver_rcu+0x270/0x270
[ 57.780646] ip_rcv_finish+0x3d/0x60
[ 57.784448] ip_rcv+0x15d/0x210
[ 57.787717] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 57.793056] ? process_backlog+0x90/0x280
[ 57.797603] __netif_receive_skb_one_core+0x81/0x90
[ 57.802929] __netif_receive_skb+0x13/0x60
[ 57.811562] process_backlog+0x101/0x280
[ 57.815653] net_rx_action+0x16f/0x470
[ 57.819557] ? mark_held_locks+0x4e/0x80
[ 57.823708] __do_softirq+0xd4/0x472
[ 57.827417] asm_call_on_stack+0x12/0x20
[ 57.831469]
[ 57.833699] do_softirq_own_stack+0x53/0x60
[ 57.837993] do_softirq.part.20+0x8a/0xa0
[ 57.842116] ? ip_finish_output2+0x22b/0xa00
[ 57.846664] __local_bh_enable_ip+0xcc/0xd0
[ 57.850980] ip_finish_output2+0x24f/0xa00
[ 57.856341] __ip_finish_output+0x11e/0x330
[ 57.860659] ? __ip_finish_output+0x11e/0x330
[ 57.865142] ? ip_output+0x184/0x250
[ 57.868844] ip_finish_output+0x27/0xa0
[ 57.872806] ip_output+0x79/0x250
[ 57.876250] ? __ip_finish_output+0x330/0x330
[ 57.880726] ip_local_out+0x3a/0x60
[ 57.884356] __ip_queue_xmit+0x1e4/0x5e0
[ 57.888414] ip_queue_xmit+0x10/0x20
[ 57.892117] dccp_transmit_skb+0x26e/0x420
[ 57.896344] dccp_xmit_packet+0x70/0x170
[ 57.900465] dccp_write_xmit+0x8d/0xb0
[ 57.904407] dccp_sendmsg+0x225/0x3c0
[ 57.908206] inet_sendmsg+0x5f/0x70
[ 57.911825] sock_sendmsg+0x57/0x60
[ 57.915729] ____sys_sendmsg+0x1fc/0x270
[ 57.919779] ? copy_msghdr_from_user+0x5b/0x90
[ 57.924345] ___sys_sendmsg+0x77/0xb0
[ 57.928127] ? lock_acquire+0xc9/0x3a0
[ 57.932011] ? find_held_lock+0x35/0xa0
[ 57.935988] ? __fget_files+0xe0/0x1d0
[ 57.939866] ? __fget_files+0xfa/0x1d0
[ 57.943738] ? __fget_light+0x5e/0x70
[ 57.947521] __sys_sendmsg+0x5d/0xb0
[ 57.951213] __x64_sys_sendmsg+0x1a/0x20
[ 57.955331] do_syscall_64+0x37/0x80
[ 57.959033] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 57.964231] RIP: 0033:0x453009
[ 57.967534] 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
[ 57.986430] RSP: 002b:00007fd56e2b6c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 57.994130] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 58.001387] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 58.008682] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 58.015958] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 58.023227] R13: 00000000ffffffff R14: 00007fd56e2b76d4 R15: 0000000000000002
[ 58.506571] 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()
[ 58.513086] net_ratelimit: 460 callbacks suppressed
[ 58.513088] dccp_close: ABORT with 24 bytes unread
[ 58.519817] CPU: 0 PID: 5906 Comm: syz-executor4 Not tainted 5.9.0-rc2-syzkaller #0
[ 58.519819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 58.519822] Call Trace:
[ 58.549917]
[ 58.552063] dump_stack+0xb9/0xf1
[ 58.553236] dccp_close: ABORT with 24 bytes unread
[ 58.555503] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 58.555509] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 58.555519] dccp_deliver_input_to_ccids+0x31/0x70
[ 58.555524] dccp_rcv_established+0x49/0x70
[ 58.555529] dccp_v4_do_rcv+0x3b/0x60
[ 58.555537] __sk_receive_skb+0xcc/0x2b0
[ 58.555546] dccp_v4_rcv+0x44b/0x81a
[ 58.571057] dccp_close: ABORT with 24 bytes unread
[ 58.575202] ip_protocol_deliver_rcu+0x224/0x270
[ 58.575211] ip_local_deliver_finish+0x8d/0x120
[ 58.575216] ip_local_deliver+0x17f/0x220
[ 58.575224] ? ip_protocol_deliver_rcu+0x270/0x270
[ 58.575231] ip_rcv_finish+0x3d/0x60
[ 58.575235] ip_rcv+0x15d/0x210
[ 58.575242] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 58.575249] ? process_backlog+0x90/0x280
[ 58.575253] __netif_receive_skb_one_core+0x81/0x90
[ 58.575259] __netif_receive_skb+0x13/0x60
[ 58.582890] dccp_close: ABORT with 24 bytes unread
[ 58.583373] process_backlog+0x101/0x280
[ 58.593097] dccp_close: ABORT with 24 bytes unread
[ 58.596030] net_rx_action+0x16f/0x470
[ 58.596036] ? mark_held_locks+0x4e/0x80
[ 58.596052] __do_softirq+0xd4/0x472
[ 58.633754] dccp_close: ABORT with 24 bytes unread
[ 58.635833] asm_call_on_stack+0x12/0x20
[ 58.635837]
[ 58.635843] do_softirq_own_stack+0x53/0x60
[ 58.635847] do_softirq.part.20+0x8a/0xa0
[ 58.635851] ? ip_finish_output2+0x22b/0xa00
[ 58.635854] __local_bh_enable_ip+0xcc/0xd0
[ 58.635859] ip_finish_output2+0x24f/0xa00
[ 58.635870] __ip_finish_output+0x11e/0x330
[ 58.645156] dccp_close: ABORT with 24 bytes unread
[ 58.649142] ? __ip_finish_output+0x11e/0x330
[ 58.649148] ? ip_output+0x184/0x250
[ 58.649154] ip_finish_output+0x27/0xa0
[ 58.649160] ip_output+0x79/0x250
[ 58.649167] ? __ip_finish_output+0x330/0x330
[ 58.649175] ip_local_out+0x3a/0x60
[ 58.649181] __ip_queue_xmit+0x1e4/0x5e0
[ 58.649192] ip_queue_xmit+0x10/0x20
[ 58.649204] dccp_transmit_skb+0x26e/0x420
[ 58.649211] dccp_xmit_packet+0x70/0x170
[ 58.649216] dccp_write_xmit+0x8d/0xb0
[ 58.649220] dccp_sendmsg+0x225/0x3c0
[ 58.649230] inet_sendmsg+0x5f/0x70
[ 58.649237] sock_sendmsg+0x57/0x60
[ 58.649241] ____sys_sendmsg+0x1fc/0x270
[ 58.649244] ? copy_msghdr_from_user+0x5b/0x90
[ 58.649256] ___sys_sendmsg+0x77/0xb0
[ 58.649266] ? lock_acquire+0xc9/0x3a0
[ 58.649270] ? find_held_lock+0x35/0xa0
[ 58.649277] ? __fget_files+0xe0/0x1d0
[ 58.672230] dccp_close: ABORT with 24 bytes unread
[ 58.674788] ? __fget_files+0xfa/0x1d0
[ 58.674797] ? __fget_light+0x5e/0x70
[ 58.674808] __sys_sendmsg+0x5d/0xb0
[ 58.674825] __x64_sys_sendmsg+0x1a/0x20
[ 58.674829] do_syscall_64+0x37/0x80
[ 58.674834] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 58.674838] RIP: 0033:0x453009
[ 58.686819] dccp_close: ABORT with 24 bytes unread
[ 58.689924] 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
[ 58.689926] RSP: 002b:00007fc022ee5c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 58.689930] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 58.689932] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 58.689934] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 58.689936] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 58.689938] R13: 00000000ffffffff R14: 00007fc022ee66d4 R15: 0000000000000002
[ 58.720979] dccp_close: ABORT with 24 bytes unread
[ 58.739172] 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()
[ 58.907296] CPU: 1 PID: 5951 Comm: syz-executor3 Not tainted 5.9.0-rc2-syzkaller #0
[ 58.915299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 58.924654] Call Trace:
[ 58.927220]
[ 58.929349] dump_stack+0xb9/0xf1
[ 58.932787] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 58.937970] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 58.942685] dccp_deliver_input_to_ccids+0x31/0x70
[ 58.947603] dccp_rcv_established+0x49/0x70
[ 58.951914] dccp_v4_do_rcv+0x3b/0x60
[ 58.955730] __sk_receive_skb+0xcc/0x2b0
[ 58.959786] dccp_v4_rcv+0x44b/0x81a
[ 58.963506] ip_protocol_deliver_rcu+0x224/0x270
[ 58.968275] ip_local_deliver_finish+0x8d/0x120
[ 58.972933] ip_local_deliver+0x17f/0x220
[ 58.977067] ? ip_protocol_deliver_rcu+0x270/0x270
[ 58.982094] ip_rcv_finish+0x3d/0x60
[ 58.985800] ip_rcv+0x15d/0x210
[ 58.989089] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 58.994278] ? process_backlog+0x90/0x280
[ 58.998410] __netif_receive_skb_one_core+0x81/0x90
[ 59.003414] __netif_receive_skb+0x13/0x60
[ 59.007637] process_backlog+0x101/0x280
[ 59.011840] net_rx_action+0x16f/0x470
[ 59.015726] ? mark_held_locks+0x4e/0x80
[ 59.019889] __do_softirq+0xd4/0x472
[ 59.023623] asm_call_on_stack+0x12/0x20
[ 59.027680]
[ 59.029918] do_softirq_own_stack+0x53/0x60
[ 59.034241] do_softirq.part.20+0x8a/0xa0
[ 59.038481] ? ip_finish_output2+0x22b/0xa00
[ 59.042971] __local_bh_enable_ip+0xcc/0xd0
[ 59.047376] ip_finish_output2+0x24f/0xa00
[ 59.051596] __ip_finish_output+0x11e/0x330
[ 59.055897] ? __ip_finish_output+0x11e/0x330
[ 59.060377] ? ip_output+0x184/0x250
[ 59.064074] ip_finish_output+0x27/0xa0
[ 59.068024] ip_output+0x79/0x250
[ 59.071467] ? __ip_finish_output+0x330/0x330
[ 59.075960] ip_local_out+0x3a/0x60
[ 59.079573] __ip_queue_xmit+0x1e4/0x5e0
[ 59.083629] ip_queue_xmit+0x10/0x20
[ 59.087331] dccp_transmit_skb+0x26e/0x420
[ 59.091558] dccp_xmit_packet+0x70/0x170
[ 59.095601] dccp_write_xmit+0x8d/0xb0
[ 59.099465] dccp_sendmsg+0x225/0x3c0
[ 59.103305] inet_sendmsg+0x5f/0x70
[ 59.106921] sock_sendmsg+0x57/0x60
[ 59.110531] ____sys_sendmsg+0x1fc/0x270
[ 59.114579] ? copy_msghdr_from_user+0x5b/0x90
[ 59.119192] ___sys_sendmsg+0x77/0xb0
[ 59.122975] ? lock_acquire+0xc9/0x3a0
[ 59.127422] ? find_held_lock+0x35/0xa0
[ 59.131377] ? __fget_files+0xe0/0x1d0
[ 59.135240] ? __fget_files+0xfa/0x1d0
[ 59.139100] ? __fget_light+0x5e/0x70
[ 59.142886] __sys_sendmsg+0x5d/0xb0
[ 59.146624] __x64_sys_sendmsg+0x1a/0x20
[ 59.150701] do_syscall_64+0x37/0x80
[ 59.154402] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 59.159574] RIP: 0033:0x453009
[ 59.162744] 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
[ 59.181632] RSP: 002b:00007fcc3a152c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 59.189579] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 59.196851] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 59.204193] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 59.211459] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 59.218727] R13: 00000000ffffffff R14: 00007fcc3a1536d4 R15: 0000000000000002
[ 59.324386] 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()
[ 59.337912] CPU: 0 PID: 6048 Comm: syz-executor5 Not tainted 5.9.0-rc2-syzkaller #0
[ 59.345734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 59.355088] Call Trace:
[ 59.358122]
[ 59.360273] dump_stack+0xb9/0xf1
[ 59.363726] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 59.368905] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 59.373585] dccp_deliver_input_to_ccids+0x31/0x70
[ 59.378524] dccp_rcv_established+0x49/0x70
[ 59.382843] dccp_v4_do_rcv+0x3b/0x60
[ 59.386639] __sk_receive_skb+0xcc/0x2b0
[ 59.390722] dccp_v4_rcv+0x44b/0x81a
[ 59.394521] ip_protocol_deliver_rcu+0x224/0x270
[ 59.399317] ip_local_deliver_finish+0x8d/0x120
[ 59.403994] ip_local_deliver+0x17f/0x220
[ 59.408247] ? ip_protocol_deliver_rcu+0x270/0x270
[ 59.413183] ip_rcv_finish+0x3d/0x60
[ 59.417013] ip_rcv+0x15d/0x210
[ 59.420319] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 59.425509] ? process_backlog+0x90/0x280
[ 59.429861] __netif_receive_skb_one_core+0x81/0x90
[ 59.434906] __netif_receive_skb+0x13/0x60
[ 59.439345] process_backlog+0x101/0x280
[ 59.443525] net_rx_action+0x16f/0x470
[ 59.447532] ? mark_held_locks+0x4e/0x80
[ 59.451607] __do_softirq+0xd4/0x472
[ 59.455346] asm_call_on_stack+0x12/0x20
[ 59.459433]
[ 59.461677] do_softirq_own_stack+0x53/0x60
[ 59.466008] do_softirq.part.20+0x8a/0xa0
[ 59.470152] ? ip_finish_output2+0x22b/0xa00
[ 59.474690] __local_bh_enable_ip+0xcc/0xd0
[ 59.479010] ip_finish_output2+0x24f/0xa00
[ 59.483254] __ip_finish_output+0x11e/0x330
[ 59.487570] ? __ip_finish_output+0x11e/0x330
[ 59.492747] ? ip_output+0x184/0x250
[ 59.496449] ip_finish_output+0x27/0xa0
[ 59.500411] ip_output+0x79/0x250
[ 59.503879] ? __ip_finish_output+0x330/0x330
[ 59.508365] ip_local_out+0x3a/0x60
[ 59.511967] __ip_queue_xmit+0x1e4/0x5e0
[ 59.516006] ip_queue_xmit+0x10/0x20
[ 59.520158] dccp_transmit_skb+0x26e/0x420
[ 59.524375] dccp_xmit_packet+0x70/0x170
[ 59.528434] dccp_write_xmit+0x8d/0xb0
[ 59.532309] dccp_sendmsg+0x225/0x3c0
[ 59.536285] inet_sendmsg+0x5f/0x70
[ 59.540178] sock_sendmsg+0x57/0x60
[ 59.543883] ____sys_sendmsg+0x1fc/0x270
[ 59.547949] ? copy_msghdr_from_user+0x5b/0x90
[ 59.552639] ___sys_sendmsg+0x77/0xb0
[ 59.556423] ? lock_acquire+0xc9/0x3a0
[ 59.560295] ? find_held_lock+0x35/0xa0
[ 59.564247] ? __fget_files+0xe0/0x1d0
[ 59.568211] ? __fget_files+0xfa/0x1d0
[ 59.572088] ? __fget_light+0x5e/0x70
[ 59.575865] __sys_sendmsg+0x5d/0xb0
[ 59.579571] __x64_sys_sendmsg+0x1a/0x20
[ 59.583617] do_syscall_64+0x37/0x80
[ 59.587322] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 59.592499] RIP: 0033:0x453009
[ 59.595713] 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
[ 59.614983] RSP: 002b:00007fd56e2b6c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 59.623077] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 59.630332] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 59.637580] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 59.644858] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 59.652377] R13: 00000000ffffffff R14: 00007fd56e2b76d4 R15: 0000000000000004
[ 59.916338] 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()
[ 59.930053] CPU: 1 PID: 6246 Comm: syz-executor1 Not tainted 5.9.0-rc2-syzkaller #0
[ 59.937846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 59.947193] Call Trace:
[ 59.949856]
[ 59.951994] dump_stack+0xb9/0xf1
[ 59.955722] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 59.960921] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 59.965764] dccp_deliver_input_to_ccids+0x31/0x70
[ 59.970687] dccp_rcv_established+0x49/0x70
[ 59.975009] dccp_v4_do_rcv+0x3b/0x60
[ 59.978798] __sk_receive_skb+0xcc/0x2b0
[ 59.982851] dccp_v4_rcv+0x44b/0x81a
[ 59.986566] ip_protocol_deliver_rcu+0x224/0x270
[ 59.991319] ip_local_deliver_finish+0x8d/0x120
[ 59.995981] ip_local_deliver+0x17f/0x220
[ 60.000167] ? ip_protocol_deliver_rcu+0x270/0x270
[ 60.005448] ip_rcv_finish+0x3d/0x60
[ 60.009426] ip_rcv+0x15d/0x210
[ 60.012795] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 60.017984] ? process_backlog+0x90/0x280
[ 60.022124] __netif_receive_skb_one_core+0x81/0x90
[ 60.027345] __netif_receive_skb+0x13/0x60
[ 60.031571] process_backlog+0x101/0x280
[ 60.035644] net_rx_action+0x16f/0x470
[ 60.039529] ? mark_held_locks+0x4e/0x80
[ 60.043593] __do_softirq+0xd4/0x472
[ 60.047292] asm_call_on_stack+0x12/0x20
[ 60.051321]
[ 60.053558] do_softirq_own_stack+0x53/0x60
[ 60.057865] do_softirq.part.20+0x8a/0xa0
[ 60.061998] ? ip_finish_output2+0x22b/0xa00
[ 60.066407] __local_bh_enable_ip+0xcc/0xd0
[ 60.070749] ip_finish_output2+0x24f/0xa00
[ 60.075450] __ip_finish_output+0x11e/0x330
[ 60.079877] ? __ip_finish_output+0x11e/0x330
[ 60.084361] ? ip_output+0x184/0x250
[ 60.088156] ip_finish_output+0x27/0xa0
[ 60.092135] ip_output+0x79/0x250
[ 60.095652] ? __ip_finish_output+0x330/0x330
[ 60.100247] ip_local_out+0x3a/0x60
[ 60.103861] __ip_queue_xmit+0x1e4/0x5e0
[ 60.107913] ip_queue_xmit+0x10/0x20
[ 60.111606] dccp_transmit_skb+0x26e/0x420
[ 60.115825] dccp_xmit_packet+0x70/0x170
[ 60.119879] dccp_write_xmit+0x8d/0xb0
[ 60.123850] dccp_sendmsg+0x225/0x3c0
[ 60.127766] inet_sendmsg+0x5f/0x70
[ 60.131376] sock_sendmsg+0x57/0x60
[ 60.135120] ____sys_sendmsg+0x1fc/0x270
[ 60.139164] ? copy_msghdr_from_user+0x5b/0x90
[ 60.143725] ___sys_sendmsg+0x77/0xb0
[ 60.147534] ? lock_acquire+0xc9/0x3a0
[ 60.151402] ? find_held_lock+0x35/0xa0
[ 60.155360] ? __fget_files+0xe0/0x1d0
[ 60.159229] ? __fget_files+0xfa/0x1d0
[ 60.163093] ? __fget_light+0x5e/0x70
[ 60.166870] __sys_sendmsg+0x5d/0xb0
[ 60.170706] __x64_sys_sendmsg+0x1a/0x20
[ 60.174746] do_syscall_64+0x37/0x80
[ 60.178449] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 60.183623] RIP: 0033:0x453009
[ 60.186810] 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
[ 60.206032] RSP: 002b:00007f2148929c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 60.213825] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 60.221199] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 60.228686] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 60.235945] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 60.243199] R13: 00000000ffffffff R14: 00007f214892a6d4 R15: 0000000000000002
[ 60.577497] 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()
[ 60.590721] CPU: 0 PID: 6475 Comm: syz-executor3 Not tainted 5.9.0-rc2-syzkaller #0
[ 60.598507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.607850] Call Trace:
[ 60.610412]
[ 60.612556] dump_stack+0xb9/0xf1
[ 60.616002] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 60.621180] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 60.625854] dccp_deliver_input_to_ccids+0x31/0x70
[ 60.630771] dccp_rcv_established+0x49/0x70
[ 60.635089] dccp_v4_do_rcv+0x3b/0x60
[ 60.638894] __sk_receive_skb+0xcc/0x2b0
[ 60.642960] dccp_v4_rcv+0x44b/0x81a
[ 60.646684] ip_protocol_deliver_rcu+0x224/0x270
[ 60.651469] ip_local_deliver_finish+0x8d/0x120
[ 60.656229] ip_local_deliver+0x17f/0x220
[ 60.660382] ? ip_protocol_deliver_rcu+0x270/0x270
[ 60.665310] ip_rcv_finish+0x3d/0x60
[ 60.669036] ip_rcv+0x15d/0x210
[ 60.672311] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 60.677534] ? process_backlog+0x90/0x280
[ 60.681685] __netif_receive_skb_one_core+0x81/0x90
[ 60.686730] __netif_receive_skb+0x13/0x60
[ 60.690973] process_backlog+0x101/0x280
[ 60.695036] net_rx_action+0x16f/0x470
[ 60.698912] ? mark_held_locks+0x4e/0x80
[ 60.703002] __do_softirq+0xd4/0x472
[ 60.706722] asm_call_on_stack+0x12/0x20
[ 60.710783]
[ 60.713032] do_softirq_own_stack+0x53/0x60
[ 60.717341] do_softirq.part.20+0x8a/0xa0
[ 60.721572] ? ip_finish_output2+0x22b/0xa00
[ 60.726207] __local_bh_enable_ip+0xcc/0xd0
[ 60.730505] ip_finish_output2+0x24f/0xa00
[ 60.734826] __ip_finish_output+0x11e/0x330
[ 60.739135] ? __ip_finish_output+0x11e/0x330
[ 60.744151] ? ip_output+0x184/0x250
[ 60.748065] ip_finish_output+0x27/0xa0
[ 60.752089] ip_output+0x79/0x250
[ 60.755574] ? __ip_finish_output+0x330/0x330
[ 60.760081] ip_local_out+0x3a/0x60
[ 60.763687] __ip_queue_xmit+0x1e4/0x5e0
[ 60.767735] ip_queue_xmit+0x10/0x20
[ 60.771428] dccp_transmit_skb+0x26e/0x420
[ 60.775639] dccp_xmit_packet+0x70/0x170
[ 60.779687] dccp_write_xmit+0x8d/0xb0
[ 60.783554] dccp_sendmsg+0x225/0x3c0
[ 60.787347] inet_sendmsg+0x5f/0x70
[ 60.790966] sock_sendmsg+0x57/0x60
[ 60.794589] ____sys_sendmsg+0x1fc/0x270
[ 60.798636] ? copy_msghdr_from_user+0x5b/0x90
[ 60.803197] ___sys_sendmsg+0x77/0xb0
[ 60.806989] ? lock_acquire+0xc9/0x3a0
[ 60.810880] ? find_held_lock+0x35/0xa0
[ 60.814847] ? __fget_files+0xe0/0x1d0
[ 60.818840] ? __fget_files+0xfa/0x1d0
[ 60.822727] ? __fget_light+0x5e/0x70
[ 60.826641] __sys_sendmsg+0x5d/0xb0
[ 60.830350] __x64_sys_sendmsg+0x1a/0x20
[ 60.834414] do_syscall_64+0x37/0x80
[ 60.838106] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 60.843290] RIP: 0033:0x453009
[ 60.846480] 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
[ 60.865377] RSP: 002b:00007fcc3a152c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 60.873064] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 60.880330] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 60.887678] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 60.894937] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 60.902200] R13: 00000000ffffffff R14: 00007fcc3a1536d4 R15: 0000000000000002
[ 61.134588] 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()
[ 61.147854] CPU: 0 PID: 6652 Comm: syz-executor3 Not tainted 5.9.0-rc2-syzkaller #0
[ 61.155638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.164990] Call Trace:
[ 61.167608]
[ 61.169756] dump_stack+0xb9/0xf1
[ 61.173204] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 61.178516] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 61.183189] dccp_deliver_input_to_ccids+0x31/0x70
[ 61.188115] dccp_rcv_established+0x49/0x70
[ 61.192434] dccp_v4_do_rcv+0x3b/0x60
[ 61.195957] 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()
[ 61.196227] __sk_receive_skb+0xcc/0x2b0
[ 61.213455] dccp_v4_rcv+0x44b/0x81a
[ 61.217156] ip_protocol_deliver_rcu+0x224/0x270
[ 61.221921] ip_local_deliver_finish+0x8d/0x120
[ 61.226574] ip_local_deliver+0x17f/0x220
[ 61.230732] ? ip_protocol_deliver_rcu+0x270/0x270
[ 61.235648] ip_rcv_finish+0x3d/0x60
[ 61.239344] ip_rcv+0x15d/0x210
[ 61.243123] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 61.248296] ? process_backlog+0x90/0x280
[ 61.252425] __netif_receive_skb_one_core+0x81/0x90
[ 61.257445] __netif_receive_skb+0x13/0x60
[ 61.261657] process_backlog+0x101/0x280
[ 61.265700] net_rx_action+0x16f/0x470
[ 61.269576] ? mark_held_locks+0x4e/0x80
[ 61.273633] __do_softirq+0xd4/0x472
[ 61.277355] asm_call_on_stack+0x12/0x20
[ 61.281397]
[ 61.283625] do_softirq_own_stack+0x53/0x60
[ 61.287930] do_softirq.part.20+0x8a/0xa0
[ 61.292081] ? ip_finish_output2+0x22b/0xa00
[ 61.296473] __local_bh_enable_ip+0xcc/0xd0
[ 61.300782] ip_finish_output2+0x24f/0xa00
[ 61.305012] __ip_finish_output+0x11e/0x330
[ 61.309333] ? __ip_finish_output+0x11e/0x330
[ 61.313825] ? ip_output+0x184/0x250
[ 61.317558] ip_finish_output+0x27/0xa0
[ 61.321524] ip_output+0x79/0x250
[ 61.324986] ? __ip_finish_output+0x330/0x330
[ 61.329738] ip_local_out+0x3a/0x60
[ 61.333363] __ip_queue_xmit+0x1e4/0x5e0
[ 61.337431] ip_queue_xmit+0x10/0x20
[ 61.341221] dccp_transmit_skb+0x26e/0x420
[ 61.345441] dccp_xmit_packet+0x70/0x170
[ 61.349505] dccp_write_xmit+0x8d/0xb0
[ 61.353398] dccp_sendmsg+0x225/0x3c0
[ 61.357279] inet_sendmsg+0x5f/0x70
[ 61.360889] sock_sendmsg+0x57/0x60
[ 61.364498] ____sys_sendmsg+0x1fc/0x270
[ 61.368538] ? copy_msghdr_from_user+0x5b/0x90
[ 61.373116] ___sys_sendmsg+0x77/0xb0
[ 61.376904] ? lock_acquire+0xc9/0x3a0
[ 61.380781] ? find_held_lock+0x35/0xa0
[ 61.387181] ? __fget_files+0xe0/0x1d0
[ 61.391072] ? __fget_files+0xfa/0x1d0
[ 61.394969] ? __fget_light+0x5e/0x70
[ 61.398755] __sys_sendmsg+0x5d/0xb0
[ 61.402466] __x64_sys_sendmsg+0x1a/0x20
[ 61.406535] do_syscall_64+0x37/0x80
[ 61.410253] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 61.415445] RIP: 0033:0x453009
[ 61.418644] 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
[ 61.437536] RSP: 002b:00007fcc3a152c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 61.445234] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 61.452670] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 61.460196] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 61.468852] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 61.476106] R13: 00000000ffffffff R14: 00007fcc3a1536d4 R15: 0000000000000002
[ 61.483394] CPU: 1 PID: 6676 Comm: syz-executor1 Not tainted 5.9.0-rc2-syzkaller #0
[ 61.491195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.500537] Call Trace:
[ 61.503103]
[ 61.505257] dump_stack+0xb9/0xf1
[ 61.508969] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 61.514151] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 61.518827] dccp_deliver_input_to_ccids+0x31/0x70
[ 61.523751] dccp_rcv_established+0x49/0x70
[ 61.528094] dccp_v4_do_rcv+0x3b/0x60
[ 61.531895] __sk_receive_skb+0xcc/0x2b0
[ 61.535958] dccp_v4_rcv+0x44b/0x81a
[ 61.539692] ip_protocol_deliver_rcu+0x224/0x270
[ 61.544453] ip_local_deliver_finish+0x8d/0x120
[ 61.549215] ip_local_deliver+0x17f/0x220
[ 61.553364] ? ip_protocol_deliver_rcu+0x270/0x270
[ 61.558293] ip_rcv_finish+0x3d/0x60
[ 61.561992] ip_rcv+0x15d/0x210
[ 61.565374] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 61.566228] 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()
[ 61.570557] ? process_backlog+0x90/0x280
[ 61.570562] __netif_receive_skb_one_core+0x81/0x90
[ 61.570568] __netif_receive_skb+0x13/0x60
[ 61.570572] process_backlog+0x101/0x280
[ 61.570582] net_rx_action+0x16f/0x470
[ 61.570587] ? mark_held_locks+0x4e/0x80
[ 61.570604] __do_softirq+0xd4/0x472
[ 61.570615] asm_call_on_stack+0x12/0x20
[ 61.618019]
[ 61.620249] do_softirq_own_stack+0x53/0x60
[ 61.624555] do_softirq.part.20+0x8a/0xa0
[ 61.628699] ? ip_finish_output2+0x22b/0xa00
[ 61.633106] __local_bh_enable_ip+0xcc/0xd0
[ 61.637414] ip_finish_output2+0x24f/0xa00
[ 61.641679] __ip_finish_output+0x11e/0x330
[ 61.646068] ? __ip_finish_output+0x11e/0x330
[ 61.650539] ? ip_output+0x184/0x250
[ 61.654233] ip_finish_output+0x27/0xa0
[ 61.658209] ip_output+0x79/0x250
[ 61.661660] ? __ip_finish_output+0x330/0x330
[ 61.666138] ip_local_out+0x3a/0x60
[ 61.669769] __ip_queue_xmit+0x1e4/0x5e0
[ 61.673824] ip_queue_xmit+0x10/0x20
[ 61.677539] dccp_transmit_skb+0x26e/0x420
[ 61.681759] dccp_xmit_packet+0x70/0x170
[ 61.685804] dccp_write_xmit+0x8d/0xb0
[ 61.689691] dccp_sendmsg+0x225/0x3c0
[ 61.693488] inet_sendmsg+0x5f/0x70
[ 61.697124] sock_sendmsg+0x57/0x60
[ 61.700755] ____sys_sendmsg+0x1fc/0x270
[ 61.704802] ? copy_msghdr_from_user+0x5b/0x90
[ 61.709381] ___sys_sendmsg+0x77/0xb0
[ 61.713171] ? lock_acquire+0xc9/0x3a0
[ 61.717045] ? find_held_lock+0x35/0xa0
[ 61.721028] ? __fget_files+0xe0/0x1d0
[ 61.725450] ? __fget_files+0xfa/0x1d0
[ 61.729336] ? __fget_light+0x5e/0x70
[ 61.733126] __sys_sendmsg+0x5d/0xb0
[ 61.736835] __x64_sys_sendmsg+0x1a/0x20
[ 61.740878] do_syscall_64+0x37/0x80
[ 61.744782] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 61.749961] RIP: 0033:0x453009
[ 61.753151] 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
[ 61.772054] RSP: 002b:00007f2148929c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 61.779760] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 61.787030] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 61.794289] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 61.801561] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 61.808829] R13: 00000000ffffffff R14: 00007f214892a6d4 R15: 0000000000000002
[ 61.816111] CPU: 0 PID: 6696 Comm: syz-executor3 Not tainted 5.9.0-rc2-syzkaller #0
[ 61.823936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.833317] Call Trace:
[ 61.835983]
[ 61.838132] dump_stack+0xb9/0xf1
[ 61.841584] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 61.846801] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 61.851472] dccp_deliver_input_to_ccids+0x31/0x70
[ 61.856403] dccp_rcv_established+0x49/0x70
[ 61.860730] dccp_v4_do_rcv+0x3b/0x60
[ 61.864541] __sk_receive_skb+0xcc/0x2b0
[ 61.868606] dccp_v4_rcv+0x44b/0x81a
[ 61.872328] ip_protocol_deliver_rcu+0x224/0x270
[ 61.877131] ip_local_deliver_finish+0x8d/0x120
[ 61.881845] ip_local_deliver+0x17f/0x220
[ 61.886040] ? ip_protocol_deliver_rcu+0x270/0x270
[ 61.891109] ip_rcv_finish+0x3d/0x60
[ 61.894818] ip_rcv+0x15d/0x210
[ 61.898098] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 61.903382] ? process_backlog+0x90/0x280
[ 61.907544] __netif_receive_skb_one_core+0x81/0x90
[ 61.912564] __netif_receive_skb+0x13/0x60
[ 61.917183] process_backlog+0x101/0x280
[ 61.921252] net_rx_action+0x16f/0x470
[ 61.925141] ? mark_held_locks+0x4e/0x80
[ 61.929227] __do_softirq+0xd4/0x472
[ 61.932952] asm_call_on_stack+0x12/0x20
[ 61.937045]
[ 61.939279] do_softirq_own_stack+0x53/0x60
[ 61.943607] do_softirq.part.20+0x8a/0xa0
[ 61.947745] ? ip_finish_output2+0x22b/0xa00
[ 61.953478] __local_bh_enable_ip+0xcc/0xd0
[ 61.957902] ip_finish_output2+0x24f/0xa00
[ 61.962133] __ip_finish_output+0x11e/0x330
[ 61.966434] ? __ip_finish_output+0x11e/0x330
[ 61.970911] ? ip_output+0x184/0x250
[ 61.974600] ip_finish_output+0x27/0xa0
[ 61.978550] ip_output+0x79/0x250
[ 61.981980] ? __ip_finish_output+0x330/0x330
[ 61.986471] ip_local_out+0x3a/0x60
[ 61.990078] __ip_queue_xmit+0x1e4/0x5e0
[ 61.994142] ip_queue_xmit+0x10/0x20
[ 61.997838] dccp_transmit_skb+0x26e/0x420
[ 62.002141] dccp_xmit_packet+0x70/0x170
[ 62.006249] dccp_write_xmit+0x8d/0xb0
[ 62.010115] dccp_sendmsg+0x225/0x3c0
[ 62.013893] inet_sendmsg+0x5f/0x70
[ 62.017498] sock_sendmsg+0x57/0x60
[ 62.021103] ____sys_sendmsg+0x1fc/0x270
[ 62.025155] ? copy_msghdr_from_user+0x5b/0x90
[ 62.029729] ___sys_sendmsg+0x77/0xb0
[ 62.033679] ? lock_acquire+0xc9/0x3a0
[ 62.037561] ? find_held_lock+0x35/0xa0
[ 62.041514] ? __fget_files+0xe0/0x1d0
[ 62.045378] ? __fget_files+0xfa/0x1d0
[ 62.049239] ? __fget_light+0x5e/0x70
[ 62.053020] __sys_sendmsg+0x5d/0xb0
[ 62.056716] __x64_sys_sendmsg+0x1a/0x20
[ 62.060754] do_syscall_64+0x37/0x80
[ 62.064551] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 62.069805] RIP: 0033:0x453009
[ 62.072973] 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
[ 62.091857] RSP: 002b:00007fcc3a152c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 62.099542] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 62.106811] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 62.114087] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 62.121812] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 62.129166] R13: 00000000ffffffff R14: 00007fcc3a1536d4 R15: 0000000000000002
2020/08/27 04:11:17 executed programs: 747
[ 62.878266] 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()
[ 62.894479] CPU: 0 PID: 7188 Comm: syz-executor3 Not tainted 5.9.0-rc2-syzkaller #0
[ 62.902299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 62.911647] Call Trace:
[ 62.914225]
[ 62.916369] dump_stack+0xb9/0xf1
[ 62.919823] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 62.925016] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 62.929695] dccp_deliver_input_to_ccids+0x31/0x70
[ 62.934624] dccp_rcv_established+0x49/0x70
[ 62.938941] dccp_v4_do_rcv+0x3b/0x60
[ 62.942764] __sk_receive_skb+0xcc/0x2b0
[ 62.946826] dccp_v4_rcv+0x44b/0x81a
[ 62.950566] ip_protocol_deliver_rcu+0x224/0x270
[ 62.955319] ip_local_deliver_finish+0x8d/0x120
[ 62.960131] ip_local_deliver+0x17f/0x220
[ 62.964297] ? ip_protocol_deliver_rcu+0x270/0x270
[ 62.969229] ip_rcv_finish+0x3d/0x60
[ 62.972969] ip_rcv+0x15d/0x210
[ 62.976261] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 62.981462] ? process_backlog+0x90/0x280
[ 62.985605] __netif_receive_skb_one_core+0x81/0x90
[ 62.990620] __netif_receive_skb+0x13/0x60
[ 62.995550] process_backlog+0x101/0x280
[ 62.999614] net_rx_action+0x16f/0x470
[ 63.003498] ? mark_held_locks+0x4e/0x80
[ 63.007560] __do_softirq+0xd4/0x472
[ 63.011305] asm_call_on_stack+0x12/0x20
[ 63.015359]
[ 63.017591] do_softirq_own_stack+0x53/0x60
[ 63.021941] do_softirq.part.20+0x8a/0xa0
[ 63.026088] ? ip_finish_output2+0x22b/0xa00
[ 63.030849] __local_bh_enable_ip+0xcc/0xd0
[ 63.035163] ip_finish_output2+0x24f/0xa00
[ 63.039379] __ip_finish_output+0x11e/0x330
[ 63.043735] ? __ip_finish_output+0x11e/0x330
[ 63.048219] ? ip_output+0x184/0x250
[ 63.051911] ip_finish_output+0x27/0xa0
[ 63.055909] ip_output+0x79/0x250
[ 63.059399] ? __ip_finish_output+0x330/0x330
[ 63.063992] ip_local_out+0x3a/0x60
[ 63.067598] __ip_queue_xmit+0x1e4/0x5e0
[ 63.072255] ip_queue_xmit+0x10/0x20
[ 63.075960] dccp_transmit_skb+0x26e/0x420
[ 63.080170] dccp_xmit_packet+0x70/0x170
[ 63.084224] dccp_write_xmit+0x8d/0xb0
[ 63.088098] dccp_sendmsg+0x225/0x3c0
[ 63.091874] inet_sendmsg+0x5f/0x70
[ 63.095937] sock_sendmsg+0x57/0x60
[ 63.099544] ____sys_sendmsg+0x1fc/0x270
[ 63.103595] ? copy_msghdr_from_user+0x5b/0x90
[ 63.108178] ___sys_sendmsg+0x77/0xb0
[ 63.111985] ? lock_acquire+0xc9/0x3a0
[ 63.115922] ? find_held_lock+0x35/0xa0
[ 63.119944] ? __fget_files+0xe0/0x1d0
[ 63.123834] ? __fget_files+0xfa/0x1d0
[ 63.127729] ? __fget_light+0x5e/0x70
[ 63.131509] __sys_sendmsg+0x5d/0xb0
[ 63.135217] __x64_sys_sendmsg+0x1a/0x20
[ 63.139400] do_syscall_64+0x37/0x80
[ 63.143114] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 63.148303] RIP: 0033:0x453009
[ 63.151495] 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
[ 63.171546] RSP: 002b:00007fcc3a152c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 63.179247] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 63.186498] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 63.193927] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 63.201962] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 63.209303] R13: 00000000ffffffff R14: 00007fcc3a1536d4 R15: 0000000000000002
[ 63.364806] 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()
[ 63.378088] CPU: 0 PID: 7320 Comm: syz-executor Not tainted 5.9.0-rc2-syzkaller #0
[ 63.386072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.395617] Call Trace:
[ 63.398324]
[ 63.400482] dump_stack+0xb9/0xf1
[ 63.404222] tfrc_rx_hist_sample_rtt.cold.3+0x27/0x58
[ 63.409407] ccid3_hc_rx_packet_recv+0xde/0x3b0
[ 63.414082] dccp_deliver_input_to_ccids+0x31/0x70
[ 63.419046] dccp_rcv_established+0x49/0x70
[ 63.423373] dccp_v4_do_rcv+0x3b/0x60
[ 63.427172] __sk_receive_skb+0xcc/0x2b0
[ 63.431249] dccp_v4_rcv+0x44b/0x81a
[ 63.434966] ip_protocol_deliver_rcu+0x224/0x270
[ 63.439739] ip_local_deliver_finish+0x8d/0x120
[ 63.444523] ip_local_deliver+0x17f/0x220
[ 63.448666] ? ip_protocol_deliver_rcu+0x270/0x270
[ 63.453592] ip_rcv_finish+0x3d/0x60
[ 63.457300] ip_rcv+0x15d/0x210
[ 63.460581] ? ip_rcv_finish_core.isra.20+0x610/0x610
[ 63.465764] ? process_backlog+0x90/0x280
[ 63.469911] __netif_receive_skb_one_core+0x81/0x90
[ 63.474947] __netif_receive_skb+0x13/0x60
[ 63.479170] process_backlog+0x101/0x280
[ 63.483231] net_rx_action+0x16f/0x470
[ 63.487118] ? mark_held_locks+0x4e/0x80
[ 63.491281] __do_softirq+0xd4/0x472
[ 63.494991] asm_call_on_stack+0x12/0x20
[ 63.499254]
[ 63.501520] do_softirq_own_stack+0x53/0x60
[ 63.505842] do_softirq.part.20+0x8a/0xa0
[ 63.509995] ? ip_finish_output2+0x22b/0xa00
[ 63.514380] __local_bh_enable_ip+0xcc/0xd0
[ 63.518698] ip_finish_output2+0x24f/0xa00
[ 63.522911] __ip_finish_output+0x11e/0x330
[ 63.527211] ? __ip_finish_output+0x11e/0x330
[ 63.531685] ? ip_output+0x184/0x250
[ 63.535383] ip_finish_output+0x27/0xa0
[ 63.539334] ip_output+0x79/0x250
[ 63.542778] ? __ip_finish_output+0x330/0x330
[ 63.547247] ip_local_out+0x3a/0x60
[ 63.550862] __ip_queue_xmit+0x1e4/0x5e0
[ 63.554913] ip_queue_xmit+0x10/0x20
[ 63.558603] dccp_transmit_skb+0x26e/0x420
[ 63.562816] dccp_xmit_packet+0x70/0x170
[ 63.566865] dccp_write_xmit+0x8d/0xb0
[ 63.570739] dccp_sendmsg+0x225/0x3c0
[ 63.574533] inet_sendmsg+0x5f/0x70
[ 63.578170] sock_sendmsg+0x57/0x60
[ 63.581786] ____sys_sendmsg+0x1fc/0x270
[ 63.585820] ? copy_msghdr_from_user+0x5b/0x90
[ 63.590388] ___sys_sendmsg+0x77/0xb0
[ 63.594203] ? lock_acquire+0xc9/0x3a0
[ 63.598121] ? find_held_lock+0x35/0xa0
[ 63.602090] ? __fget_files+0xe0/0x1d0
[ 63.605999] ? __fget_files+0xfa/0x1d0
[ 63.609938] ? __fget_light+0x5e/0x70
[ 63.613762] __sys_sendmsg+0x5d/0xb0
[ 63.617474] __x64_sys_sendmsg+0x1a/0x20
[ 63.621516] do_syscall_64+0x37/0x80
[ 63.625339] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 63.630528] RIP: 0033:0x453009
[ 63.633698] 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
[ 63.652718] RSP: 002b:00007fc714d2cc58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
[ 63.660415] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453009
[ 63.667674] RDX: 0000000000000080 RSI: 00000000206c8000 RDI: 0000000000000005
[ 63.674921] RBP: 000000000000048a R08: 0000000000000000 R09: 0000000000000000
[ 63.682168] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4d90
[ 63.689413] R13: 00000000ffffffff R14: 00007fc714d2d6d4 R15: 0000000000000002
[ 63.704103] net_ratelimit: 353 callbacks suppressed
[ 63.704105] dccp_close: ABORT with 24 bytes unread