[ 49.002404] unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts. [ 49.786506] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 49.798446] CPU: 0 PID: 8298 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 49.806668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.816642] Call Trace: [ 49.819398] dump_stack+0x14b/0x1e7 [ 49.823317] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 49.829119] ccid3_hc_tx_update_x+0x353/0x630 [ 49.833875] ? ktime_get_with_offset+0x185/0x2b0 [ 49.838723] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 49.844249] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 49.849861] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 49.855284] dccp_deliver_input_to_ccids+0x19f/0x210 [ 49.861003] dccp_rcv_established+0x49/0x70 [ 49.865369] dccp_v4_do_rcv+0xfa/0x160 [ 49.870391] __release_sock+0x10e/0x2f0 [ 49.875173] release_sock+0x4f/0x180 [ 49.879314] dccp_sendmsg+0x4c1/0xc60 [ 49.883353] ? dccp_getsockopt+0xd0/0xd0 [ 49.887921] ? reacquire_held_locks+0xb7/0x3a0 [ 49.892873] ? release_sock+0x1b/0x180 [ 49.897324] inet_sendmsg+0x108/0x440 [ 49.901812] ? inet_recvmsg+0x640/0x640 [ 49.905770] sock_sendmsg+0xac/0xf0 [ 49.909519] SyS_sendto+0x1e4/0x2c0 [ 49.913124] ? SyS_getpeername+0x250/0x250 [ 49.917445] ? _raw_spin_unlock_bh+0x30/0x40 [ 49.922362] ? release_sock+0x11f/0x180 [ 49.926848] ? inet_stream_connect+0x76/0xa0 [ 49.931316] ? SyS_accept+0x10/0x10 [ 49.934946] ? __do_page_fault+0x4ef/0xa90 [ 49.939372] ? _raw_spin_unlock_irq+0x60/0x90 [ 49.944013] ? do_syscall_64+0x4c/0x5b0 [ 49.948468] ? SyS_getpeername+0x250/0x250 [ 49.952819] do_syscall_64+0x1c7/0x5b0 [ 49.957323] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.962807] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.968605] RIP: 0033:0x7fd8eaa17ee9 [ 49.972301] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 49.980653] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fd8eaa17ee9 [ 49.988299] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 49.995911] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 50.003676] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 50.011306] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.027295] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 50.039405] CPU: 0 PID: 8298 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 50.048723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.059527] Call Trace: [ 50.062489] dump_stack+0x14b/0x1e7 [ 50.066401] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 50.072576] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 50.077498] dccp_xmit_packet+0x226/0x620 [ 50.081844] dccp_write_xmit+0x125/0x180 [ 50.086326] dccp_sendmsg+0x577/0xc60 [ 50.090664] ? dccp_getsockopt+0xd0/0xd0 [ 50.095024] ? kasan_check_write+0x14/0x20 [ 50.099268] ? copy_msghdr_from_user+0x1fd/0x440 [ 50.104278] inet_sendmsg+0x108/0x440 [ 50.108179] ? inet_recvmsg+0x640/0x640 [ 50.112293] sock_sendmsg+0xac/0xf0 [ 50.116614] ___sys_sendmsg+0x282/0x920 [ 50.120723] ? release_sock+0x11f/0x180 [ 50.124792] ? copy_msghdr_from_user+0x440/0x440 [ 50.129871] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 50.135540] ? release_sock+0x11f/0x180 [ 50.139779] ? trace_hardirqs_on+0xd/0x10 [ 50.144519] ? __local_bh_enable_ip+0xcc/0x150 [ 50.149607] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.154022] ? release_sock+0x11f/0x180 [ 50.158166] ? dccp_getsockopt+0xd0/0xd0 [ 50.162413] ? reacquire_held_locks+0xb7/0x3a0 [ 50.167179] ? release_sock+0x1b/0x180 [ 50.171682] ? __fdget+0xe/0x10 [ 50.174966] ? sockfd_lookup_light+0x1c/0x160 [ 50.179544] __sys_sendmmsg+0x126/0x300 [ 50.183830] ? SyS_sendmsg+0x20/0x20 [ 50.187670] ? release_sock+0x11f/0x180 [ 50.192469] ? __do_page_fault+0x4ef/0xa90 [ 50.196712] ? _raw_spin_unlock_irq+0x60/0x90 [ 50.201203] ? do_syscall_64+0x4c/0x5b0 [ 50.205481] ? __sys_sendmmsg+0x300/0x300 [ 50.209624] SyS_sendmmsg+0xd/0x20 [ 50.213168] do_syscall_64+0x1c7/0x5b0 [ 50.217267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.222107] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.227381] RIP: 0033:0x7fd8eaa17ee9 [ 50.231199] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 50.239287] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 50.246929] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 50.255288] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 50.263307] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 50.271327] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.296546] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 50.309565] CPU: 0 PID: 8299 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 50.317923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.327848] Call Trace: [ 50.330437] dump_stack+0x14b/0x1e7 [ 50.334164] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 50.339850] ccid3_hc_tx_update_x+0x353/0x630 [ 50.344505] ? ktime_get_with_offset+0x185/0x2b0 [ 50.349716] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 50.354483] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 50.360075] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 50.365741] dccp_deliver_input_to_ccids+0x19f/0x210 [ 50.371358] dccp_rcv_established+0x49/0x70 [ 50.375940] dccp_v4_do_rcv+0xfa/0x160 [ 50.380199] __release_sock+0x10e/0x2f0 [ 50.384569] release_sock+0x4f/0x180 [ 50.388424] dccp_sendmsg+0x4c1/0xc60 [ 50.392225] ? dccp_getsockopt+0xd0/0xd0 [ 50.396650] ? reacquire_held_locks+0xb7/0x3a0 [ 50.402080] ? release_sock+0x1b/0x180 [ 50.406244] inet_sendmsg+0x108/0x440 [ 50.410259] ? inet_recvmsg+0x640/0x640 [ 50.414473] sock_sendmsg+0xac/0xf0 [ 50.418350] SyS_sendto+0x1e4/0x2c0 [ 50.422107] ? SyS_getpeername+0x250/0x250 [ 50.426513] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.431192] ? release_sock+0x11f/0x180 [ 50.435194] ? inet_stream_connect+0x76/0xa0 [ 50.439584] ? SyS_accept+0x10/0x10 [ 50.443603] ? __do_page_fault+0x4ef/0xa90 [ 50.447845] ? _raw_spin_unlock_irq+0x60/0x90 [ 50.452576] ? do_syscall_64+0x4c/0x5b0 [ 50.457092] ? SyS_getpeername+0x250/0x250 [ 50.461869] do_syscall_64+0x1c7/0x5b0 [ 50.465899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.471373] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.477400] RIP: 0033:0x7fd8eaa17ee9 [ 50.481361] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 50.489467] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd8eaa17ee9 [ 50.496848] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 50.504379] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 50.511817] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 50.519283] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.530003] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 50.541009] CPU: 0 PID: 8299 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 50.549612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.559871] Call Trace: [ 50.562687] dump_stack+0x14b/0x1e7 [ 50.566829] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 50.572533] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 50.577702] dccp_xmit_packet+0x226/0x620 [ 50.582413] dccp_write_xmit+0x125/0x180 [ 50.586622] dccp_sendmsg+0x577/0xc60 [ 50.590797] ? dccp_getsockopt+0xd0/0xd0 [ 50.594876] ? kasan_check_write+0x14/0x20 [ 50.599207] ? copy_msghdr_from_user+0x1fd/0x440 [ 50.604045] inet_sendmsg+0x108/0x440 [ 50.607832] ? inet_recvmsg+0x640/0x640 [ 50.612090] sock_sendmsg+0xac/0xf0 [ 50.615891] ___sys_sendmsg+0x282/0x920 [ 50.619993] ? release_sock+0x11f/0x180 [ 50.623994] ? copy_msghdr_from_user+0x440/0x440 [ 50.629506] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 50.635861] ? release_sock+0x11f/0x180 [ 50.641207] ? trace_hardirqs_on+0xd/0x10 [ 50.645840] ? __local_bh_enable_ip+0xcc/0x150 [ 50.651287] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.656733] ? release_sock+0x11f/0x180 [ 50.661029] ? dccp_getsockopt+0xd0/0xd0 [ 50.665198] ? reacquire_held_locks+0xb7/0x3a0 [ 50.670718] ? release_sock+0x1b/0x180 [ 50.674969] ? __fdget+0xe/0x10 [ 50.678737] ? sockfd_lookup_light+0x1c/0x160 [ 50.683489] __sys_sendmmsg+0x126/0x300 [ 50.687755] ? SyS_sendmsg+0x20/0x20 [ 50.692372] ? release_sock+0x11f/0x180 [ 50.697129] ? __do_page_fault+0x4ef/0xa90 [ 50.702968] ? _raw_spin_unlock_irq+0x60/0x90 [ 50.709600] ? do_syscall_64+0x4c/0x5b0 [ 50.714644] ? __sys_sendmmsg+0x300/0x300 [ 50.719183] SyS_sendmmsg+0xd/0x20 [ 50.723085] do_syscall_64+0x1c7/0x5b0 [ 50.727391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.732732] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.738059] RIP: 0033:0x7fd8eaa17ee9 [ 50.742475] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 50.750994] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 50.758568] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 50.766517] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 50.774150] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 50.782299] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.807009] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 50.818454] CPU: 0 PID: 8300 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 50.827458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.838603] Call Trace: [ 50.841779] dump_stack+0x14b/0x1e7 [ 50.845605] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 50.851901] ccid3_hc_tx_update_x+0x353/0x630 [ 50.857583] ? ktime_get_with_offset+0x185/0x2b0 [ 50.863153] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 50.868593] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 50.874450] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 50.880292] dccp_deliver_input_to_ccids+0x19f/0x210 [ 50.886307] dccp_rcv_established+0x49/0x70 [ 50.891242] dccp_v4_do_rcv+0xfa/0x160 [ 50.895477] __release_sock+0x10e/0x2f0 [ 50.903091] release_sock+0x4f/0x180 [ 50.907174] dccp_sendmsg+0x4c1/0xc60 [ 50.911311] ? dccp_getsockopt+0xd0/0xd0 [ 50.917426] ? reacquire_held_locks+0xb7/0x3a0 [ 50.923491] ? release_sock+0x1b/0x180 [ 50.929899] inet_sendmsg+0x108/0x440 [ 50.934151] ? inet_recvmsg+0x640/0x640 [ 50.938311] sock_sendmsg+0xac/0xf0 [ 50.942016] SyS_sendto+0x1e4/0x2c0 [ 50.945729] ? SyS_getpeername+0x250/0x250 [ 50.951127] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.956825] ? release_sock+0x11f/0x180 [ 50.961133] ? inet_stream_connect+0x76/0xa0 [ 50.965614] ? SyS_accept+0x10/0x10 [ 50.969962] ? __do_page_fault+0x4ef/0xa90 [ 50.974909] ? _raw_spin_unlock_irq+0x60/0x90 [ 50.979767] ? do_syscall_64+0x4c/0x5b0 [ 50.983958] ? SyS_getpeername+0x250/0x250 [ 50.988800] do_syscall_64+0x1c7/0x5b0 [ 50.993139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.998856] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.005275] RIP: 0033:0x7fd8eaa17ee9 [ 51.010037] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 51.018632] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fd8eaa17ee9 [ 51.026901] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 51.034583] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 51.042183] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 51.049655] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.060262] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 51.071464] CPU: 0 PID: 8300 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 51.080205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.089909] Call Trace: [ 51.093209] dump_stack+0x14b/0x1e7 [ 51.096837] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 51.102381] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 51.107444] dccp_xmit_packet+0x226/0x620 [ 51.111824] dccp_write_xmit+0x125/0x180 [ 51.115889] dccp_sendmsg+0x577/0xc60 [ 51.119827] ? dccp_getsockopt+0xd0/0xd0 [ 51.124155] ? kasan_check_write+0x14/0x20 [ 51.128382] ? copy_msghdr_from_user+0x1fd/0x440 [ 51.133136] inet_sendmsg+0x108/0x440 [ 51.136923] ? inet_recvmsg+0x640/0x640 [ 51.140915] sock_sendmsg+0xac/0xf0 [ 51.144528] ___sys_sendmsg+0x282/0x920 [ 51.148497] ? release_sock+0x11f/0x180 [ 51.152471] ? copy_msghdr_from_user+0x440/0x440 [ 51.157388] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 51.162412] ? release_sock+0x11f/0x180 [ 51.166728] ? trace_hardirqs_on+0xd/0x10 [ 51.170995] ? __local_bh_enable_ip+0xcc/0x150 [ 51.175663] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.180079] ? release_sock+0x11f/0x180 [ 51.184041] ? dccp_getsockopt+0xd0/0xd0 [ 51.188235] ? reacquire_held_locks+0xb7/0x3a0 [ 51.193040] ? release_sock+0x1b/0x180 [ 51.197008] ? __fdget+0xe/0x10 [ 51.200280] ? sockfd_lookup_light+0x1c/0x160 [ 51.204843] __sys_sendmmsg+0x126/0x300 [ 51.208998] ? SyS_sendmsg+0x20/0x20 [ 51.212704] ? release_sock+0x11f/0x180 [ 51.216815] ? __do_page_fault+0x4ef/0xa90 [ 51.221058] ? _raw_spin_unlock_irq+0x60/0x90 [ 51.225782] ? do_syscall_64+0x4c/0x5b0 [ 51.230396] ? __sys_sendmmsg+0x300/0x300 [ 51.234885] SyS_sendmmsg+0xd/0x20 [ 51.238695] do_syscall_64+0x1c7/0x5b0 [ 51.242569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.247920] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.253125] RIP: 0033:0x7fd8eaa17ee9 [ 51.256840] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 51.264645] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 51.272018] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 51.279413] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 51.286801] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 51.294452] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.318847] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 51.329726] CPU: 0 PID: 8301 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 51.337610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.347457] Call Trace: [ 51.350050] dump_stack+0x14b/0x1e7 [ 51.353745] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 51.359271] ccid3_hc_tx_update_x+0x353/0x630 [ 51.363754] ? ktime_get_with_offset+0x185/0x2b0 [ 51.368494] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 51.373230] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 51.378663] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 51.383677] dccp_deliver_input_to_ccids+0x19f/0x210 [ 51.389712] dccp_rcv_established+0x49/0x70 [ 51.394016] dccp_v4_do_rcv+0xfa/0x160 [ 51.398033] __release_sock+0x10e/0x2f0 [ 51.402000] release_sock+0x4f/0x180 [ 51.405715] dccp_sendmsg+0x4c1/0xc60 [ 51.409589] ? dccp_getsockopt+0xd0/0xd0 [ 51.413658] ? reacquire_held_locks+0xb7/0x3a0 [ 51.418360] ? release_sock+0x1b/0x180 [ 51.422394] inet_sendmsg+0x108/0x440 [ 51.426279] ? inet_recvmsg+0x640/0x640 [ 51.430600] sock_sendmsg+0xac/0xf0 [ 51.434220] SyS_sendto+0x1e4/0x2c0 [ 51.438005] ? SyS_getpeername+0x250/0x250 [ 51.442353] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.446836] ? release_sock+0x11f/0x180 [ 51.450801] ? inet_stream_connect+0x76/0xa0 [ 51.455349] ? SyS_accept+0x10/0x10 [ 51.459063] ? __do_page_fault+0x4ef/0xa90 [ 51.463287] ? _raw_spin_unlock_irq+0x60/0x90 [ 51.467779] ? do_syscall_64+0x4c/0x5b0 [ 51.471864] ? SyS_getpeername+0x250/0x250 [ 51.476172] do_syscall_64+0x1c7/0x5b0 [ 51.480142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.484980] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.490372] RIP: 0033:0x7fd8eaa17ee9 [ 51.494232] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 51.502404] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd8eaa17ee9 [ 51.510118] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 51.517912] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 51.525477] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 51.533042] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.542660] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 51.553676] CPU: 0 PID: 8301 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 51.561955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.571843] Call Trace: [ 51.574677] dump_stack+0x14b/0x1e7 [ 51.578294] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 51.584756] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 51.589616] dccp_xmit_packet+0x226/0x620 [ 51.594040] dccp_write_xmit+0x125/0x180 [ 51.598389] dccp_sendmsg+0x577/0xc60 [ 51.602366] ? dccp_getsockopt+0xd0/0xd0 [ 51.606680] ? kasan_check_write+0x14/0x20 [ 51.612406] ? copy_msghdr_from_user+0x1fd/0x440 [ 51.617345] inet_sendmsg+0x108/0x440 [ 51.621311] ? inet_recvmsg+0x640/0x640 [ 51.625367] sock_sendmsg+0xac/0xf0 [ 51.629064] ___sys_sendmsg+0x282/0x920 [ 51.633196] ? release_sock+0x11f/0x180 [ 51.637820] ? copy_msghdr_from_user+0x440/0x440 [ 51.642973] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 51.649171] ? release_sock+0x11f/0x180 [ 51.653587] ? trace_hardirqs_on+0xd/0x10 [ 51.657946] ? __local_bh_enable_ip+0xcc/0x150 [ 51.662992] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.667707] ? release_sock+0x11f/0x180 [ 51.672171] ? dccp_getsockopt+0xd0/0xd0 [ 51.676421] ? reacquire_held_locks+0xb7/0x3a0 [ 51.681282] ? release_sock+0x1b/0x180 [ 51.685642] ? __fdget+0xe/0x10 [ 51.689547] ? sockfd_lookup_light+0x1c/0x160 [ 51.694297] __sys_sendmmsg+0x126/0x300 [ 51.698787] ? SyS_sendmsg+0x20/0x20 [ 51.703389] ? release_sock+0x11f/0x180 [ 51.707505] ? __do_page_fault+0x4ef/0xa90 [ 51.712039] ? _raw_spin_unlock_irq+0x60/0x90 [ 51.717224] ? do_syscall_64+0x4c/0x5b0 [ 51.722142] ? __sys_sendmmsg+0x300/0x300 [ 51.726536] SyS_sendmmsg+0xd/0x20 [ 51.730554] do_syscall_64+0x1c7/0x5b0 [ 51.734656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.739695] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.745203] RIP: 0033:0x7fd8eaa17ee9 [ 51.749173] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 51.758060] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 51.766293] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 51.774025] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 51.782064] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 51.790013] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.813019] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 51.824396] CPU: 0 PID: 8302 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 51.832807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.842507] Call Trace: [ 51.845183] dump_stack+0x14b/0x1e7 [ 51.849159] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 51.855611] ccid3_hc_tx_update_x+0x353/0x630 [ 51.860665] ? ktime_get_with_offset+0x185/0x2b0 [ 51.865408] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 51.870330] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 51.876226] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 51.881289] dccp_deliver_input_to_ccids+0x19f/0x210 [ 51.886626] dccp_rcv_established+0x49/0x70 [ 51.891036] dccp_v4_do_rcv+0xfa/0x160 [ 51.894933] __release_sock+0x10e/0x2f0 [ 51.899037] release_sock+0x4f/0x180 [ 51.903100] dccp_sendmsg+0x4c1/0xc60 [ 51.906972] ? dccp_getsockopt+0xd0/0xd0 [ 51.911019] ? reacquire_held_locks+0xb7/0x3a0 [ 51.915583] ? release_sock+0x1b/0x180 [ 51.919459] inet_sendmsg+0x108/0x440 [ 51.923239] ? inet_recvmsg+0x640/0x640 [ 51.927293] sock_sendmsg+0xac/0xf0 [ 51.931100] SyS_sendto+0x1e4/0x2c0 [ 51.934846] ? SyS_getpeername+0x250/0x250 [ 51.939075] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.943684] ? release_sock+0x11f/0x180 [ 51.947736] ? inet_stream_connect+0x76/0xa0 [ 51.952305] ? SyS_accept+0x10/0x10 [ 51.955921] ? __do_page_fault+0x4ef/0xa90 [ 51.960757] ? _raw_spin_unlock_irq+0x60/0x90 [ 51.965350] ? do_syscall_64+0x4c/0x5b0 [ 51.969335] ? SyS_getpeername+0x250/0x250 [ 51.973659] do_syscall_64+0x1c7/0x5b0 [ 51.977534] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.982363] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.987532] RIP: 0033:0x7fd8eaa17ee9 [ 51.991224] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 51.999097] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd8eaa17ee9 [ 52.006535] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 52.014691] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.023579] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 52.033144] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.045417] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 52.058449] CPU: 0 PID: 8302 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 52.066744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.077197] Call Trace: [ 52.079785] dump_stack+0x14b/0x1e7 [ 52.083416] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 52.089238] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 52.094784] dccp_xmit_packet+0x226/0x620 [ 52.099348] dccp_write_xmit+0x125/0x180 [ 52.103579] dccp_sendmsg+0x577/0xc60 [ 52.107697] ? dccp_getsockopt+0xd0/0xd0 [ 52.112293] ? kasan_check_write+0x14/0x20 [ 52.116706] ? copy_msghdr_from_user+0x1fd/0x440 [ 52.122613] inet_sendmsg+0x108/0x440 [ 52.126845] ? inet_recvmsg+0x640/0x640 [ 52.130844] sock_sendmsg+0xac/0xf0 [ 52.134910] ___sys_sendmsg+0x282/0x920 [ 52.139446] ? release_sock+0x11f/0x180 [ 52.143598] ? copy_msghdr_from_user+0x440/0x440 [ 52.149098] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 52.154469] ? release_sock+0x11f/0x180 [ 52.158676] ? trace_hardirqs_on+0xd/0x10 [ 52.162960] ? __local_bh_enable_ip+0xcc/0x150 [ 52.167861] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.172352] ? release_sock+0x11f/0x180 [ 52.176556] ? dccp_getsockopt+0xd0/0xd0 [ 52.180845] ? reacquire_held_locks+0xb7/0x3a0 [ 52.185761] ? release_sock+0x1b/0x180 [ 52.189658] ? __fdget+0xe/0x10 [ 52.193137] ? sockfd_lookup_light+0x1c/0x160 [ 52.198339] __sys_sendmmsg+0x126/0x300 [ 52.202746] ? SyS_sendmsg+0x20/0x20 [ 52.206738] ? release_sock+0x11f/0x180 [ 52.211814] ? __do_page_fault+0x4ef/0xa90 [ 52.216230] ? _raw_spin_unlock_irq+0x60/0x90 [ 52.221240] ? do_syscall_64+0x4c/0x5b0 [ 52.225747] ? __sys_sendmmsg+0x300/0x300 [ 52.230601] SyS_sendmmsg+0xd/0x20 [ 52.234358] do_syscall_64+0x1c7/0x5b0 [ 52.238555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.244231] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.250172] RIP: 0033:0x7fd8eaa17ee9 [ 52.255086] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 52.263319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 52.271025] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 52.278870] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 52.286485] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 52.294161] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.319575] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 52.331847] CPU: 0 PID: 8303 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 52.341031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.352394] Call Trace: [ 52.355452] dump_stack+0x14b/0x1e7 [ 52.359809] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 52.366627] ccid3_hc_tx_update_x+0x353/0x630 [ 52.371804] ? ktime_get_with_offset+0x185/0x2b0 [ 52.377169] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 52.382079] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 52.388758] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 52.395127] dccp_deliver_input_to_ccids+0x19f/0x210 [ 52.400730] dccp_rcv_established+0x49/0x70 [ 52.405413] dccp_v4_do_rcv+0xfa/0x160 [ 52.409393] __release_sock+0x10e/0x2f0 [ 52.413536] release_sock+0x4f/0x180 [ 52.417622] dccp_sendmsg+0x4c1/0xc60 [ 52.421647] ? dccp_getsockopt+0xd0/0xd0 [ 52.425830] ? reacquire_held_locks+0xb7/0x3a0 [ 52.431349] ? release_sock+0x1b/0x180 [ 52.435554] inet_sendmsg+0x108/0x440 [ 52.439708] ? inet_recvmsg+0x640/0x640 [ 52.444426] sock_sendmsg+0xac/0xf0 [ 52.448928] SyS_sendto+0x1e4/0x2c0 [ 52.452705] ? SyS_getpeername+0x250/0x250 [ 52.457059] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.462435] ? release_sock+0x11f/0x180 [ 52.466669] ? inet_stream_connect+0x76/0xa0 [ 52.471850] ? SyS_accept+0x10/0x10 [ 52.475620] ? __do_page_fault+0x4ef/0xa90 [ 52.479866] ? _raw_spin_unlock_irq+0x60/0x90 [ 52.484682] ? do_syscall_64+0x4c/0x5b0 [ 52.488749] ? SyS_getpeername+0x250/0x250 [ 52.493187] do_syscall_64+0x1c7/0x5b0 [ 52.497061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.502201] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.507646] RIP: 0033:0x7fd8eaa17ee9 [ 52.511664] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 52.519861] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd8eaa17ee9 [ 52.527497] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 52.535009] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.542292] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 52.550100] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.560545] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 52.572405] CPU: 0 PID: 8303 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 52.580424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.591045] Call Trace: [ 52.593747] dump_stack+0x14b/0x1e7 [ 52.598377] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 52.604024] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 52.608791] dccp_xmit_packet+0x226/0x620 [ 52.612947] dccp_write_xmit+0x125/0x180 [ 52.617093] dccp_sendmsg+0x577/0xc60 [ 52.621444] ? dccp_getsockopt+0xd0/0xd0 [ 52.625536] ? kasan_check_write+0x14/0x20 [ 52.630046] ? copy_msghdr_from_user+0x1fd/0x440 [ 52.635305] inet_sendmsg+0x108/0x440 [ 52.639690] ? inet_recvmsg+0x640/0x640 [ 52.643841] sock_sendmsg+0xac/0xf0 [ 52.647458] ___sys_sendmsg+0x282/0x920 [ 52.651433] ? release_sock+0x11f/0x180 [ 52.655417] ? copy_msghdr_from_user+0x440/0x440 [ 52.660678] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 52.666054] ? release_sock+0x11f/0x180 [ 52.670186] ? trace_hardirqs_on+0xd/0x10 [ 52.674577] ? __local_bh_enable_ip+0xcc/0x150 [ 52.679275] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.683985] ? release_sock+0x11f/0x180 [ 52.688430] ? dccp_getsockopt+0xd0/0xd0 [ 52.692711] ? reacquire_held_locks+0xb7/0x3a0 [ 52.697290] ? release_sock+0x1b/0x180 [ 52.701875] ? __fdget+0xe/0x10 [ 52.705345] ? sockfd_lookup_light+0x1c/0x160 [ 52.710480] __sys_sendmmsg+0x126/0x300 [ 52.714993] ? SyS_sendmsg+0x20/0x20 [ 52.719246] ? release_sock+0x11f/0x180 [ 52.723478] ? __do_page_fault+0x4ef/0xa90 [ 52.728085] ? _raw_spin_unlock_irq+0x60/0x90 [ 52.732898] ? do_syscall_64+0x4c/0x5b0 [ 52.736881] ? __sys_sendmmsg+0x300/0x300 [ 52.741268] SyS_sendmmsg+0xd/0x20 [ 52.744897] do_syscall_64+0x1c7/0x5b0 [ 52.754467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.760234] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.766296] RIP: 0033:0x7fd8eaa17ee9 [ 52.770766] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 52.779441] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 52.787677] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 52.795426] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 52.804898] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 52.812954] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.839737] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 52.851577] CPU: 0 PID: 8304 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 52.860562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.870414] Call Trace: [ 52.873272] dump_stack+0x14b/0x1e7 [ 52.877438] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 52.884298] ccid3_hc_tx_update_x+0x353/0x630 [ 52.889914] ? ktime_get_with_offset+0x185/0x2b0 [ 52.897031] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 52.903274] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 52.908818] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 52.913736] dccp_deliver_input_to_ccids+0x19f/0x210 [ 52.919154] dccp_rcv_established+0x49/0x70 [ 52.923487] dccp_v4_do_rcv+0xfa/0x160 [ 52.927834] __release_sock+0x10e/0x2f0 [ 52.931912] release_sock+0x4f/0x180 [ 52.936166] dccp_sendmsg+0x4c1/0xc60 [ 52.939961] ? dccp_getsockopt+0xd0/0xd0 [ 52.944133] ? reacquire_held_locks+0xb7/0x3a0 [ 52.948828] ? release_sock+0x1b/0x180 [ 52.952895] inet_sendmsg+0x108/0x440 [ 52.957124] ? inet_recvmsg+0x640/0x640 [ 52.961295] sock_sendmsg+0xac/0xf0 [ 52.965025] SyS_sendto+0x1e4/0x2c0 [ 52.968920] ? SyS_getpeername+0x250/0x250 [ 52.973293] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.977698] ? release_sock+0x11f/0x180 [ 52.981704] ? inet_stream_connect+0x76/0xa0 [ 52.986231] ? SyS_accept+0x10/0x10 [ 52.989895] ? __do_page_fault+0x4ef/0xa90 [ 52.994130] ? _raw_spin_unlock_irq+0x60/0x90 [ 52.998618] ? do_syscall_64+0x4c/0x5b0 [ 53.002596] ? SyS_getpeername+0x250/0x250 [ 53.006820] do_syscall_64+0x1c7/0x5b0 [ 53.010826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.015792] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.020995] RIP: 0033:0x7fd8eaa17ee9 [ 53.024698] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 53.032488] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd8eaa17ee9 [ 53.040212] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 53.047800] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 53.055514] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 53.064023] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.075323] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 53.086032] CPU: 0 PID: 8304 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 53.094252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.105143] Call Trace: [ 53.107727] dump_stack+0x14b/0x1e7 [ 53.112008] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 53.117548] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 53.122399] dccp_xmit_packet+0x226/0x620 [ 53.126560] dccp_write_xmit+0x125/0x180 [ 53.130724] dccp_sendmsg+0x577/0xc60 [ 53.134610] ? dccp_getsockopt+0xd0/0xd0 [ 53.138789] ? kasan_check_write+0x14/0x20 [ 53.143227] ? copy_msghdr_from_user+0x1fd/0x440 [ 53.148001] inet_sendmsg+0x108/0x440 [ 53.151830] ? inet_recvmsg+0x640/0x640 [ 53.155828] sock_sendmsg+0xac/0xf0 [ 53.159732] ___sys_sendmsg+0x282/0x920 [ 53.163719] ? release_sock+0x11f/0x180 [ 53.167790] ? copy_msghdr_from_user+0x440/0x440 [ 53.172924] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 53.178144] ? release_sock+0x11f/0x180 [ 53.182414] ? trace_hardirqs_on+0xd/0x10 [ 53.186659] ? __local_bh_enable_ip+0xcc/0x150 [ 53.191270] ? _raw_spin_unlock_bh+0x30/0x40 [ 53.195787] ? release_sock+0x11f/0x180 [ 53.199780] ? dccp_getsockopt+0xd0/0xd0 [ 53.203844] ? reacquire_held_locks+0xb7/0x3a0 [ 53.208482] ? release_sock+0x1b/0x180 [ 53.212592] ? __fdget+0xe/0x10 [ 53.216257] ? sockfd_lookup_light+0x1c/0x160 [ 53.220900] __sys_sendmmsg+0x126/0x300 [ 53.225064] ? SyS_sendmsg+0x20/0x20 [ 53.229094] ? release_sock+0x11f/0x180 [ 53.233081] ? __do_page_fault+0x4ef/0xa90 [ 53.237317] ? _raw_spin_unlock_irq+0x60/0x90 [ 53.241803] ? do_syscall_64+0x4c/0x5b0 [ 53.245761] ? __sys_sendmmsg+0x300/0x300 [ 53.250142] SyS_sendmmsg+0xd/0x20 [ 53.253682] do_syscall_64+0x1c7/0x5b0 [ 53.257555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.262403] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.267582] RIP: 0033:0x7fd8eaa17ee9 [ 53.271271] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 53.278984] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 53.286250] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 53.293499] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 53.301238] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 53.308664] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.332528] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 53.343635] CPU: 0 PID: 8305 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 53.351521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.360890] Call Trace: [ 53.363638] dump_stack+0x14b/0x1e7 [ 53.367265] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 53.372791] ccid3_hc_tx_update_x+0x353/0x630 [ 53.377394] ? ktime_get_with_offset+0x185/0x2b0 [ 53.382168] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 53.387041] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 53.393018] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 53.399176] dccp_deliver_input_to_ccids+0x19f/0x210 [ 53.404457] dccp_rcv_established+0x49/0x70 [ 53.408879] dccp_v4_do_rcv+0xfa/0x160 [ 53.412788] __release_sock+0x10e/0x2f0 [ 53.416769] release_sock+0x4f/0x180 [ 53.420478] dccp_sendmsg+0x4c1/0xc60 [ 53.424284] ? dccp_getsockopt+0xd0/0xd0 [ 53.428601] ? reacquire_held_locks+0xb7/0x3a0 [ 53.433465] ? release_sock+0x1b/0x180 [ 53.437790] inet_sendmsg+0x108/0x440 [ 53.441852] ? inet_recvmsg+0x640/0x640 [ 53.446943] sock_sendmsg+0xac/0xf0 [ 53.451027] SyS_sendto+0x1e4/0x2c0 [ 53.454950] ? SyS_getpeername+0x250/0x250 [ 53.459301] ? _raw_spin_unlock_bh+0x30/0x40 [ 53.464880] ? release_sock+0x11f/0x180 [ 53.469345] ? inet_stream_connect+0x76/0xa0 [ 53.473863] ? SyS_accept+0x10/0x10 [ 53.477490] ? __do_page_fault+0x4ef/0xa90 [ 53.481748] ? _raw_spin_unlock_irq+0x60/0x90 [ 53.486709] ? do_syscall_64+0x4c/0x5b0 [ 53.490687] ? SyS_getpeername+0x250/0x250 [ 53.494914] do_syscall_64+0x1c7/0x5b0 [ 53.498894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.503929] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.509134] RIP: 0033:0x7fd8eaa17ee9 [ 53.513054] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 53.520757] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fd8eaa17ee9 [ 53.528111] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 53.535477] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 53.542827] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 53.550435] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.561770] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 53.572666] CPU: 0 PID: 8305 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 53.581101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.590561] Call Trace: [ 53.593255] dump_stack+0x14b/0x1e7 [ 53.596978] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 53.602911] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 53.607763] dccp_xmit_packet+0x226/0x620 [ 53.612073] dccp_write_xmit+0x125/0x180 [ 53.616472] dccp_sendmsg+0x577/0xc60 [ 53.620274] ? dccp_getsockopt+0xd0/0xd0 [ 53.625148] ? kasan_check_write+0x14/0x20 [ 53.629760] ? copy_msghdr_from_user+0x1fd/0x440 [ 53.635062] inet_sendmsg+0x108/0x440 [ 53.639645] ? inet_recvmsg+0x640/0x640 [ 53.643615] sock_sendmsg+0xac/0xf0 [ 53.647383] ___sys_sendmsg+0x282/0x920 [ 53.651463] ? release_sock+0x11f/0x180 [ 53.655425] ? copy_msghdr_from_user+0x440/0x440 [ 53.660173] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 53.665502] ? release_sock+0x11f/0x180 [ 53.670370] ? trace_hardirqs_on+0xd/0x10 [ 53.674521] ? __local_bh_enable_ip+0xcc/0x150 [ 53.679400] ? _raw_spin_unlock_bh+0x30/0x40 [ 53.684049] ? release_sock+0x11f/0x180 [ 53.688106] ? dccp_getsockopt+0xd0/0xd0 [ 53.692376] ? reacquire_held_locks+0xb7/0x3a0 [ 53.698750] ? release_sock+0x1b/0x180 [ 53.705645] ? __fdget+0xe/0x10 [ 53.708941] ? sockfd_lookup_light+0x1c/0x160 [ 53.713643] __sys_sendmmsg+0x126/0x300 [ 53.717806] ? SyS_sendmsg+0x20/0x20 [ 53.721531] ? release_sock+0x11f/0x180 [ 53.727417] ? __do_page_fault+0x4ef/0xa90 [ 53.731857] ? _raw_spin_unlock_irq+0x60/0x90 [ 53.736669] ? do_syscall_64+0x4c/0x5b0 [ 53.741040] ? __sys_sendmmsg+0x300/0x300 [ 53.745572] SyS_sendmmsg+0xd/0x20 [ 53.749372] do_syscall_64+0x1c7/0x5b0 [ 53.753263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.758117] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.763557] RIP: 0033:0x7fd8eaa17ee9 [ 53.767531] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 53.775822] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 53.783706] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 53.791249] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 53.798723] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 53.806366] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.832924] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 53.844760] CPU: 0 PID: 8306 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 53.856643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.867479] Call Trace: [ 53.870284] dump_stack+0x14b/0x1e7 [ 53.874059] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 53.880220] ccid3_hc_tx_update_x+0x353/0x630 [ 53.885138] ? ktime_get_with_offset+0x185/0x2b0 [ 53.890081] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 53.895248] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 53.900817] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 53.905896] dccp_deliver_input_to_ccids+0x19f/0x210 [ 53.911518] dccp_rcv_established+0x49/0x70 [ 53.915915] dccp_v4_do_rcv+0xfa/0x160 [ 53.919944] __release_sock+0x10e/0x2f0 [ 53.924362] release_sock+0x4f/0x180 [ 53.928345] dccp_sendmsg+0x4c1/0xc60 [ 53.932148] ? dccp_getsockopt+0xd0/0xd0 [ 53.936227] ? reacquire_held_locks+0xb7/0x3a0 [ 53.940904] ? release_sock+0x1b/0x180 [ 53.944924] inet_sendmsg+0x108/0x440 [ 53.948714] ? inet_recvmsg+0x640/0x640 [ 53.953312] sock_sendmsg+0xac/0xf0 [ 53.957085] SyS_sendto+0x1e4/0x2c0 [ 53.960708] ? SyS_getpeername+0x250/0x250 [ 53.964949] ? _raw_spin_unlock_bh+0x30/0x40 [ 53.969506] ? release_sock+0x11f/0x180 [ 53.973842] ? inet_stream_connect+0x76/0xa0 [ 53.978281] ? SyS_accept+0x10/0x10 [ 53.981903] ? __do_page_fault+0x4ef/0xa90 [ 53.986211] ? _raw_spin_unlock_irq+0x60/0x90 [ 53.990987] ? do_syscall_64+0x4c/0x5b0 [ 53.995257] ? SyS_getpeername+0x250/0x250 [ 53.999483] do_syscall_64+0x1c7/0x5b0 [ 54.003374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.008214] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.013401] RIP: 0033:0x7fd8eaa17ee9 [ 54.017240] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 54.025036] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8eaa17ee9 [ 54.032623] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 54.040154] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 54.047516] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 54.054947] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.064793] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 54.075485] CPU: 0 PID: 8306 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 54.083494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.093048] Call Trace: [ 54.095623] dump_stack+0x14b/0x1e7 [ 54.099935] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 54.105654] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 54.110747] dccp_xmit_packet+0x226/0x620 [ 54.114889] dccp_write_xmit+0x125/0x180 [ 54.118932] dccp_sendmsg+0x577/0xc60 [ 54.122714] ? dccp_getsockopt+0xd0/0xd0 [ 54.126763] ? kasan_check_write+0x14/0x20 [ 54.130993] ? copy_msghdr_from_user+0x1fd/0x440 [ 54.135738] inet_sendmsg+0x108/0x440 [ 54.139525] ? inet_recvmsg+0x640/0x640 [ 54.143706] sock_sendmsg+0xac/0xf0 [ 54.147405] ___sys_sendmsg+0x282/0x920 [ 54.151374] ? release_sock+0x11f/0x180 [ 54.155327] ? copy_msghdr_from_user+0x440/0x440 [ 54.160141] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 54.165445] ? release_sock+0x11f/0x180 [ 54.169502] ? trace_hardirqs_on+0xd/0x10 [ 54.173932] ? __local_bh_enable_ip+0xcc/0x150 [ 54.178508] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.182912] ? release_sock+0x11f/0x180 [ 54.186937] ? dccp_getsockopt+0xd0/0xd0 [ 54.191788] ? reacquire_held_locks+0xb7/0x3a0 [ 54.196365] ? release_sock+0x1b/0x180 [ 54.200922] ? __fdget+0xe/0x10 [ 54.204718] ? sockfd_lookup_light+0x1c/0x160 [ 54.209828] __sys_sendmmsg+0x126/0x300 [ 54.213903] ? SyS_sendmsg+0x20/0x20 [ 54.218735] ? release_sock+0x11f/0x180 [ 54.222981] ? __do_page_fault+0x4ef/0xa90 [ 54.227673] ? _raw_spin_unlock_irq+0x60/0x90 [ 54.232362] ? do_syscall_64+0x4c/0x5b0 [ 54.236569] ? __sys_sendmmsg+0x300/0x300 [ 54.241403] SyS_sendmmsg+0xd/0x20 [ 54.245103] do_syscall_64+0x1c7/0x5b0 [ 54.249317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.254167] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.259519] RIP: 0033:0x7fd8eaa17ee9 [ 54.263503] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 54.271898] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 54.279467] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 54.286853] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 54.294501] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 54.302018] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.323787] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 54.334384] CPU: 0 PID: 8307 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 54.342351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.351924] Call Trace: [ 54.354511] dump_stack+0x14b/0x1e7 [ 54.358125] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 54.363736] ccid3_hc_tx_update_x+0x353/0x630 [ 54.368299] ? ktime_get_with_offset+0x185/0x2b0 [ 54.373038] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 54.377796] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 54.383224] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 54.388132] dccp_deliver_input_to_ccids+0x19f/0x210 [ 54.393224] dccp_rcv_established+0x49/0x70 [ 54.397894] dccp_v4_do_rcv+0xfa/0x160 [ 54.401807] __release_sock+0x10e/0x2f0 [ 54.406044] release_sock+0x4f/0x180 [ 54.410199] dccp_sendmsg+0x4c1/0xc60 [ 54.414505] ? dccp_getsockopt+0xd0/0xd0 [ 54.418862] ? reacquire_held_locks+0xb7/0x3a0 [ 54.423695] ? release_sock+0x1b/0x180 [ 54.427569] inet_sendmsg+0x108/0x440 [ 54.431359] ? inet_recvmsg+0x640/0x640 [ 54.435317] sock_sendmsg+0xac/0xf0 [ 54.439022] SyS_sendto+0x1e4/0x2c0 [ 54.442677] ? SyS_getpeername+0x250/0x250 [ 54.446996] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.451849] ? release_sock+0x11f/0x180 [ 54.456389] ? inet_stream_connect+0x76/0xa0 [ 54.461889] ? SyS_accept+0x10/0x10 [ 54.466198] ? __do_page_fault+0x4ef/0xa90 [ 54.470610] ? _raw_spin_unlock_irq+0x60/0x90 [ 54.475246] ? do_syscall_64+0x4c/0x5b0 [ 54.479322] ? SyS_getpeername+0x250/0x250 [ 54.483659] do_syscall_64+0x1c7/0x5b0 [ 54.487556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.492525] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.497719] RIP: 0033:0x7fd8eaa17ee9 [ 54.501419] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 54.509800] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fd8eaa17ee9 [ 54.517396] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 54.524885] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 54.532236] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 54.539631] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.550071] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 54.561106] CPU: 0 PID: 8307 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 54.569008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.578718] Call Trace: [ 54.581307] dump_stack+0x14b/0x1e7 [ 54.585124] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 54.590953] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 54.595639] dccp_xmit_packet+0x226/0x620 [ 54.599802] dccp_write_xmit+0x125/0x180 [ 54.603859] dccp_sendmsg+0x577/0xc60 [ 54.607762] ? dccp_getsockopt+0xd0/0xd0 [ 54.611830] ? kasan_check_write+0x14/0x20 [ 54.616077] ? copy_msghdr_from_user+0x1fd/0x440 [ 54.620828] inet_sendmsg+0x108/0x440 [ 54.624627] ? inet_recvmsg+0x640/0x640 [ 54.628763] sock_sendmsg+0xac/0xf0 [ 54.632469] ___sys_sendmsg+0x282/0x920 [ 54.636528] ? release_sock+0x11f/0x180 [ 54.640495] ? copy_msghdr_from_user+0x440/0x440 [ 54.645251] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 54.651073] ? release_sock+0x11f/0x180 [ 54.655378] ? trace_hardirqs_on+0xd/0x10 [ 54.659939] ? __local_bh_enable_ip+0xcc/0x150 [ 54.664588] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.669084] ? release_sock+0x11f/0x180 [ 54.673264] ? dccp_getsockopt+0xd0/0xd0 [ 54.677600] ? reacquire_held_locks+0xb7/0x3a0 [ 54.682725] ? release_sock+0x1b/0x180 [ 54.686983] ? __fdget+0xe/0x10 [ 54.690368] ? sockfd_lookup_light+0x1c/0x160 [ 54.695380] __sys_sendmmsg+0x126/0x300 [ 54.700175] ? SyS_sendmsg+0x20/0x20 [ 54.704233] ? release_sock+0x11f/0x180 [ 54.710936] ? __do_page_fault+0x4ef/0xa90 [ 54.717672] ? _raw_spin_unlock_irq+0x60/0x90 [ 54.723457] ? do_syscall_64+0x4c/0x5b0 [ 54.728185] ? __sys_sendmmsg+0x300/0x300 [ 54.732599] SyS_sendmmsg+0xd/0x20 [ 54.736382] do_syscall_64+0x1c7/0x5b0 [ 54.740346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.745703] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.751512] RIP: 0033:0x7fd8eaa17ee9 [ 54.755292] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 54.763160] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 54.771161] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 54.778785] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 54.786568] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 54.794113] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.816979] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 54.828739] CPU: 0 PID: 8308 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 54.836969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.847105] Call Trace: [ 54.850068] dump_stack+0x14b/0x1e7 [ 54.853758] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 54.859734] ccid3_hc_tx_update_x+0x353/0x630 [ 54.864395] ? ktime_get_with_offset+0x185/0x2b0 [ 54.869840] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 54.875103] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 54.880712] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 54.885728] dccp_deliver_input_to_ccids+0x19f/0x210 [ 54.891831] dccp_rcv_established+0x49/0x70 [ 54.896287] dccp_v4_do_rcv+0xfa/0x160 [ 54.900202] __release_sock+0x10e/0x2f0 [ 54.904165] release_sock+0x4f/0x180 [ 54.907973] dccp_sendmsg+0x4c1/0xc60 [ 54.911770] ? dccp_getsockopt+0xd0/0xd0 [ 54.915820] ? reacquire_held_locks+0xb7/0x3a0 [ 54.920419] ? release_sock+0x1b/0x180 [ 54.924836] inet_sendmsg+0x108/0x440 [ 54.928926] ? inet_recvmsg+0x640/0x640 [ 54.933698] sock_sendmsg+0xac/0xf0 [ 54.937557] SyS_sendto+0x1e4/0x2c0 [ 54.941194] ? SyS_getpeername+0x250/0x250 [ 54.945776] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.950451] ? release_sock+0x11f/0x180 [ 54.954611] ? inet_stream_connect+0x76/0xa0 [ 54.959270] ? SyS_accept+0x10/0x10 [ 54.963077] ? __do_page_fault+0x4ef/0xa90 [ 54.967684] ? _raw_spin_unlock_irq+0x60/0x90 [ 54.972541] ? do_syscall_64+0x4c/0x5b0 [ 54.976587] ? SyS_getpeername+0x250/0x250 [ 54.981174] do_syscall_64+0x1c7/0x5b0 [ 54.985162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.994187] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.999545] RIP: 0033:0x7fd8eaa17ee9 [ 55.003246] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 55.011897] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fd8eaa17ee9 [ 55.019159] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 55.027856] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.035371] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 55.043235] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.053400] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 55.064991] CPU: 0 PID: 8308 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 55.073496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.083444] Call Trace: [ 55.086572] dump_stack+0x14b/0x1e7 [ 55.090632] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 55.096330] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 55.101426] dccp_xmit_packet+0x226/0x620 [ 55.105740] dccp_write_xmit+0x125/0x180 [ 55.109815] dccp_sendmsg+0x577/0xc60 [ 55.113723] ? dccp_getsockopt+0xd0/0xd0 [ 55.117873] ? kasan_check_write+0x14/0x20 [ 55.122182] ? copy_msghdr_from_user+0x1fd/0x440 [ 55.127105] inet_sendmsg+0x108/0x440 [ 55.130910] ? inet_recvmsg+0x640/0x640 [ 55.134876] sock_sendmsg+0xac/0xf0 [ 55.138486] ___sys_sendmsg+0x282/0x920 [ 55.142446] ? release_sock+0x11f/0x180 [ 55.146919] ? copy_msghdr_from_user+0x440/0x440 [ 55.151659] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 55.156662] ? release_sock+0x11f/0x180 [ 55.160723] ? trace_hardirqs_on+0xd/0x10 [ 55.164870] ? __local_bh_enable_ip+0xcc/0x150 [ 55.169433] ? _raw_spin_unlock_bh+0x30/0x40 [ 55.173959] ? release_sock+0x11f/0x180 [ 55.177919] ? dccp_getsockopt+0xd0/0xd0 [ 55.182128] ? reacquire_held_locks+0xb7/0x3a0 [ 55.186786] ? release_sock+0x1b/0x180 [ 55.190752] ? __fdget+0xe/0x10 [ 55.194024] ? sockfd_lookup_light+0x1c/0x160 [ 55.198602] __sys_sendmmsg+0x126/0x300 [ 55.202622] ? SyS_sendmsg+0x20/0x20 [ 55.206336] ? release_sock+0x11f/0x180 [ 55.210408] ? __do_page_fault+0x4ef/0xa90 [ 55.214648] ? _raw_spin_unlock_irq+0x60/0x90 [ 55.219420] ? do_syscall_64+0x4c/0x5b0 [ 55.223559] ? __sys_sendmmsg+0x300/0x300 [ 55.227868] SyS_sendmmsg+0xd/0x20 [ 55.231516] do_syscall_64+0x1c7/0x5b0 [ 55.235480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.240397] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.245662] RIP: 0033:0x7fd8eaa17ee9 [ 55.249361] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 55.257990] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 55.265688] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 55.273060] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 55.280508] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 55.287943] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.309799] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 55.320574] CPU: 0 PID: 8309 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 55.328527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.338215] Call Trace: [ 55.340790] dump_stack+0x14b/0x1e7 [ 55.344513] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 55.350113] ccid3_hc_tx_update_x+0x353/0x630 [ 55.354594] ? ktime_get_with_offset+0x185/0x2b0 [ 55.359599] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 55.364352] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 55.369900] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 55.375181] dccp_deliver_input_to_ccids+0x19f/0x210 [ 55.380376] dccp_rcv_established+0x49/0x70 [ 55.384807] dccp_v4_do_rcv+0xfa/0x160 [ 55.389199] __release_sock+0x10e/0x2f0 [ 55.393167] release_sock+0x4f/0x180 [ 55.396861] dccp_sendmsg+0x4c1/0xc60 [ 55.400642] ? dccp_getsockopt+0xd0/0xd0 [ 55.404769] ? reacquire_held_locks+0xb7/0x3a0 [ 55.409637] ? release_sock+0x1b/0x180 [ 55.413515] inet_sendmsg+0x108/0x440 [ 55.417388] ? inet_recvmsg+0x640/0x640 [ 55.421714] sock_sendmsg+0xac/0xf0 [ 55.425442] SyS_sendto+0x1e4/0x2c0 [ 55.429414] ? SyS_getpeername+0x250/0x250 [ 55.433714] ? _raw_spin_unlock_bh+0x30/0x40 [ 55.438119] ? release_sock+0x11f/0x180 [ 55.442646] ? inet_stream_connect+0x76/0xa0 [ 55.447130] ? SyS_accept+0x10/0x10 [ 55.451058] ? __do_page_fault+0x4ef/0xa90 [ 55.455289] ? _raw_spin_unlock_irq+0x60/0x90 [ 55.459774] ? do_syscall_64+0x4c/0x5b0 [ 55.463738] ? SyS_getpeername+0x250/0x250 [ 55.468063] do_syscall_64+0x1c7/0x5b0 [ 55.472049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.477244] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.483068] RIP: 0033:0x7fd8eaa17ee9 [ 55.486862] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 55.494944] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fd8eaa17ee9 [ 55.502658] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 55.510121] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.517395] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 55.525018] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.535366] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 55.546103] CPU: 0 PID: 8309 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 55.554781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.564122] Call Trace: [ 55.566693] dump_stack+0x14b/0x1e7 [ 55.570322] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 55.576149] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 55.582321] dccp_xmit_packet+0x226/0x620 [ 55.586478] dccp_write_xmit+0x125/0x180 [ 55.590708] dccp_sendmsg+0x577/0xc60 [ 55.595143] ? dccp_getsockopt+0xd0/0xd0 [ 55.600773] ? kasan_check_write+0x14/0x20 [ 55.605373] ? copy_msghdr_from_user+0x1fd/0x440 [ 55.610466] inet_sendmsg+0x108/0x440 [ 55.614360] ? inet_recvmsg+0x640/0x640 [ 55.618742] sock_sendmsg+0xac/0xf0 [ 55.622394] ___sys_sendmsg+0x282/0x920 [ 55.626706] ? release_sock+0x11f/0x180 [ 55.630941] ? copy_msghdr_from_user+0x440/0x440 [ 55.635706] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 55.641162] ? release_sock+0x11f/0x180 [ 55.645359] ? trace_hardirqs_on+0xd/0x10 [ 55.649599] ? __local_bh_enable_ip+0xcc/0x150 [ 55.654163] ? _raw_spin_unlock_bh+0x30/0x40 [ 55.658568] ? release_sock+0x11f/0x180 [ 55.662522] ? dccp_getsockopt+0xd0/0xd0 [ 55.666651] ? reacquire_held_locks+0xb7/0x3a0 [ 55.672916] ? release_sock+0x1b/0x180 [ 55.676853] ? __fdget+0xe/0x10 [ 55.680297] ? sockfd_lookup_light+0x1c/0x160 [ 55.684883] __sys_sendmmsg+0x126/0x300 [ 55.689019] ? SyS_sendmsg+0x20/0x20 [ 55.692854] ? release_sock+0x11f/0x180 [ 55.696929] ? __do_page_fault+0x4ef/0xa90 [ 55.701464] ? _raw_spin_unlock_irq+0x60/0x90 [ 55.706335] ? do_syscall_64+0x4c/0x5b0 [ 55.710363] ? __sys_sendmmsg+0x300/0x300 [ 55.714588] SyS_sendmmsg+0xd/0x20 [ 55.718245] do_syscall_64+0x1c7/0x5b0 [ 55.722400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.727493] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.732684] RIP: 0033:0x7fd8eaa17ee9 [ 55.736382] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 55.744086] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 55.751717] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 55.759046] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 55.766302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 55.773639] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.783095] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 55.794705] CPU: 0 PID: 8309 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 55.803055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.812735] Call Trace: [ 55.815308] dump_stack+0x14b/0x1e7 [ 55.818934] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 55.824456] ccid3_hc_tx_update_x+0x353/0x630 [ 55.828946] ? ktime_get_with_offset+0x185/0x2b0 [ 55.833862] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 55.838599] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 55.844118] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 55.849053] dccp_deliver_input_to_ccids+0x19f/0x210 [ 55.854142] dccp_rcv_established+0x49/0x70 [ 55.858450] dccp_v4_do_rcv+0xfa/0x160 [ 55.862317] __release_sock+0x10e/0x2f0 [ 55.866356] release_sock+0x4f/0x180 [ 55.870060] dccp_sendmsg+0x4c1/0xc60 [ 55.875492] ? dccp_getsockopt+0xd0/0xd0 [ 55.879633] ? kasan_check_write+0x14/0x20 [ 55.884584] ? copy_msghdr_from_user+0x1fd/0x440 [ 55.890034] inet_sendmsg+0x108/0x440 [ 55.894102] ? inet_recvmsg+0x640/0x640 [ 55.898428] sock_sendmsg+0xac/0xf0 [ 55.902133] ___sys_sendmsg+0x282/0x920 [ 55.906161] ? release_sock+0x11f/0x180 [ 55.910643] ? copy_msghdr_from_user+0x440/0x440 [ 55.916004] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 55.921123] ? release_sock+0x11f/0x180 [ 55.925483] ? trace_hardirqs_on+0xd/0x10 [ 55.929809] ? __local_bh_enable_ip+0xcc/0x150 [ 55.934749] ? _raw_spin_unlock_bh+0x30/0x40 [ 55.939872] ? release_sock+0x11f/0x180 [ 55.944140] ? dccp_getsockopt+0xd0/0xd0 [ 55.949028] ? reacquire_held_locks+0xb7/0x3a0 [ 55.953999] ? release_sock+0x1b/0x180 [ 55.957882] ? __fdget+0xe/0x10 [ 55.962111] ? sockfd_lookup_light+0x1c/0x160 [ 55.966865] __sys_sendmmsg+0x126/0x300 [ 55.970856] ? SyS_sendmsg+0x20/0x20 [ 55.974670] ? release_sock+0x11f/0x180 [ 55.978733] ? __do_page_fault+0x4ef/0xa90 [ 55.983144] ? _raw_spin_unlock_irq+0x60/0x90 [ 55.987738] ? do_syscall_64+0x4c/0x5b0 [ 55.991857] ? __sys_sendmmsg+0x300/0x300 [ 55.996073] SyS_sendmmsg+0xd/0x20 [ 56.000051] do_syscall_64+0x1c7/0x5b0 [ 56.003920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.008848] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.014665] RIP: 0033:0x7fd8eaa17ee9 [ 56.018570] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 56.026896] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 56.034507] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 56.042388] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 56.050005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 56.057659] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 56.081023] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 56.091718] CPU: 0 PID: 8310 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 56.099721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.109236] Call Trace: [ 56.111821] dump_stack+0x14b/0x1e7 [ 56.115435] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 56.120980] ccid3_hc_tx_update_x+0x353/0x630 [ 56.125455] ? ktime_get_with_offset+0x185/0x2b0 [ 56.130283] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 56.135016] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 56.140458] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 56.145556] dccp_deliver_input_to_ccids+0x19f/0x210 [ 56.150655] dccp_rcv_established+0x49/0x70 [ 56.154983] dccp_v4_do_rcv+0xfa/0x160 [ 56.158875] __release_sock+0x10e/0x2f0 [ 56.162850] release_sock+0x4f/0x180 [ 56.166561] dccp_sendmsg+0x4c1/0xc60 [ 56.170341] ? __lock_acquire+0x701/0x42d0 [ 56.174558] ? dccp_getsockopt+0xd0/0xd0 [ 56.178687] ? trace_hardirqs_on+0x10/0x10 [ 56.182912] inet_sendmsg+0x108/0x440 [ 56.186723] ? inet_recvmsg+0x640/0x640 [ 56.190687] sock_sendmsg+0xac/0xf0 [ 56.194300] SyS_sendto+0x1e4/0x2c0 [ 56.197902] ? SyS_getpeername+0x250/0x250 [ 56.202118] ? lock_downgrade+0x7f0/0x7f0 [ 56.206242] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 56.211286] ? _raw_spin_unlock_irq+0x60/0x90 [ 56.215764] ? finish_task_switch+0x172/0x650 [ 56.220234] ? finish_task_switch+0x149/0x650 [ 56.224721] ? __sched_text_start+0x8/0x8 [ 56.228846] ? do_syscall_64+0x4c/0x5b0 [ 56.232804] ? SyS_getpeername+0x250/0x250 [ 56.237011] do_syscall_64+0x1c7/0x5b0 [ 56.240873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.245713] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.250887] RIP: 0033:0x7fd8eaa17ee9 [ 56.254599] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 56.262538] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd8eaa17ee9 [ 56.269963] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 56.277312] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.284560] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 56.291812] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 56.301164] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 56.311824] CPU: 0 PID: 8310 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 56.319702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.329055] Call Trace: [ 56.331625] dump_stack+0x14b/0x1e7 [ 56.335320] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 56.340839] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 56.345497] dccp_xmit_packet+0x226/0x620 [ 56.349665] dccp_write_xmit+0x125/0x180 [ 56.353711] dccp_sendmsg+0x577/0xc60 [ 56.357503] ? dccp_getsockopt+0xd0/0xd0 [ 56.361681] ? kasan_check_write+0x14/0x20 [ 56.365930] ? copy_msghdr_from_user+0x1fd/0x440 [ 56.370680] inet_sendmsg+0x108/0x440 [ 56.374486] ? inet_recvmsg+0x640/0x640 [ 56.378450] sock_sendmsg+0xac/0xf0 [ 56.382322] ___sys_sendmsg+0x282/0x920 [ 56.386277] ? release_sock+0x11f/0x180 [ 56.390241] ? copy_msghdr_from_user+0x440/0x440 [ 56.394983] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 56.399996] ? release_sock+0x11f/0x180 [ 56.404034] ? trace_hardirqs_on+0xd/0x10 [ 56.408175] ? __local_bh_enable_ip+0xcc/0x150 [ 56.412733] ? _raw_spin_unlock_bh+0x30/0x40 [ 56.417118] ? release_sock+0x11f/0x180 [ 56.421087] ? dccp_getsockopt+0xd0/0xd0 [ 56.425216] ? trace_hardirqs_on+0x10/0x10 [ 56.429447] ? __fdget+0xe/0x10 [ 56.432720] ? sockfd_lookup_light+0x1c/0x160 [ 56.437204] __sys_sendmmsg+0x126/0x300 [ 56.441161] ? SyS_sendmsg+0x20/0x20 [ 56.444872] ? lock_downgrade+0x7f0/0x7f0 [ 56.449005] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 56.454016] ? __sched_text_start+0x8/0x8 [ 56.458149] ? do_syscall_64+0x4c/0x5b0 [ 56.462152] ? __sys_sendmmsg+0x300/0x300 [ 56.466286] SyS_sendmmsg+0xd/0x20 [ 56.469807] do_syscall_64+0x1c7/0x5b0 [ 56.473695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.478524] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.483904] RIP: 0033:0x7fd8eaa17ee9 [ 56.487604] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 56.495386] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 56.502815] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 56.510341] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 56.517687] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 56.524967] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 56.547375] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 56.558229] CPU: 0 PID: 8311 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 56.566180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.575520] Call Trace: [ 56.578104] dump_stack+0x14b/0x1e7 [ 56.581714] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 56.587496] ccid3_hc_tx_update_x+0x353/0x630 [ 56.591971] ? ktime_get_with_offset+0x185/0x2b0 [ 56.596819] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 56.601552] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 56.606997] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 56.612087] dccp_deliver_input_to_ccids+0x19f/0x210 [ 56.617262] dccp_rcv_established+0x49/0x70 [ 56.621567] dccp_v4_do_rcv+0xfa/0x160 [ 56.625434] __release_sock+0x10e/0x2f0 [ 56.629493] release_sock+0x4f/0x180 [ 56.633187] dccp_sendmsg+0x4c1/0xc60 [ 56.636973] ? dccp_getsockopt+0xd0/0xd0 [ 56.641022] ? debug_smp_processor_id+0x17/0x20 [ 56.645682] ? __switch_to_xtra+0xa7/0x13d0 [ 56.649990] inet_sendmsg+0x108/0x440 [ 56.653781] ? inet_recvmsg+0x640/0x640 [ 56.657847] sock_sendmsg+0xac/0xf0 [ 56.661536] SyS_sendto+0x1e4/0x2c0 [ 56.665136] ? SyS_getpeername+0x250/0x250 [ 56.669779] ? finish_task_switch+0x149/0x650 [ 56.674258] ? __schedule+0x82c/0x1ee0 [ 56.678121] ? inet_stream_connect+0x76/0xa0 [ 56.682521] ? SyS_accept+0x10/0x10 [ 56.686128] ? retint_kernel+0x2d/0x2d [ 56.689990] ? do_syscall_64+0x4c/0x5b0 [ 56.693974] ? SyS_getpeername+0x250/0x250 [ 56.698204] do_syscall_64+0x1c7/0x5b0 [ 56.702301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.707128] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.712334] RIP: 0033:0x7fd8eaa17ee9 [ 56.716030] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 56.723727] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd8eaa17ee9 [ 56.730975] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 56.738236] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.745478] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 56.752725] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 56.761780] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 56.772374] CPU: 0 PID: 8311 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 56.780448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.789803] Call Trace: [ 56.792380] dump_stack+0x14b/0x1e7 [ 56.795996] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 56.801604] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 56.806354] dccp_xmit_packet+0x226/0x620 [ 56.810496] dccp_write_xmit+0x125/0x180 [ 56.814655] dccp_sendmsg+0x577/0xc60 [ 56.818480] ? dccp_getsockopt+0xd0/0xd0 [ 56.822709] ? kasan_check_write+0x14/0x20 [ 56.826926] ? copy_msghdr_from_user+0x1fd/0x440 [ 56.831676] inet_sendmsg+0x108/0x440 [ 56.835482] ? inet_recvmsg+0x640/0x640 [ 56.839521] sock_sendmsg+0xac/0xf0 [ 56.843142] ___sys_sendmsg+0x282/0x920 [ 56.847109] ? release_sock+0x11f/0x180 [ 56.851088] ? copy_msghdr_from_user+0x440/0x440 [ 56.855825] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 56.860821] ? release_sock+0x11f/0x180 [ 56.864787] ? trace_hardirqs_on+0xd/0x10 [ 56.869085] ? __local_bh_enable_ip+0xcc/0x150 [ 56.873639] ? _raw_spin_unlock_bh+0x30/0x40 [ 56.878032] ? release_sock+0x11f/0x180 [ 56.881996] ? dccp_getsockopt+0xd0/0xd0 [ 56.886046] ? debug_smp_processor_id+0x17/0x20 [ 56.890696] ? __switch_to_xtra+0xa7/0x13d0 [ 56.895003] ? __fdget+0xe/0x10 [ 56.898270] ? sockfd_lookup_light+0x1c/0x160 [ 56.902752] __sys_sendmmsg+0x126/0x300 [ 56.906700] ? SyS_sendmsg+0x20/0x20 [ 56.910401] ? __schedule+0x82c/0x1ee0 [ 56.914277] ? retint_kernel+0x2d/0x2d [ 56.918355] ? do_syscall_64+0x4c/0x5b0 [ 56.922327] ? __sys_sendmmsg+0x300/0x300 [ 56.926459] SyS_sendmmsg+0xd/0x20 [ 56.930256] do_syscall_64+0x1c7/0x5b0 [ 56.934422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.939353] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.944534] RIP: 0033:0x7fd8eaa17ee9 [ 56.948323] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 56.956341] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 56.963693] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 56.971032] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 56.978293] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 56.985779] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 57.007194] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 57.018206] CPU: 0 PID: 8312 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 57.026067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.036202] Call Trace: [ 57.039256] dump_stack+0x14b/0x1e7 [ 57.043209] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 57.049201] ccid3_hc_tx_update_x+0x353/0x630 [ 57.054136] ? ktime_get_with_offset+0x185/0x2b0 [ 57.059361] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 57.064697] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 57.070431] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 57.075478] dccp_deliver_input_to_ccids+0x19f/0x210 [ 57.080568] dccp_rcv_established+0x49/0x70 [ 57.084882] dccp_v4_do_rcv+0xfa/0x160 [ 57.088933] __release_sock+0x10e/0x2f0 [ 57.092896] release_sock+0x4f/0x180 [ 57.096595] dccp_sendmsg+0x4c1/0xc60 [ 57.100377] ? dccp_getsockopt+0xd0/0xd0 [ 57.104795] ? reacquire_held_locks+0xb7/0x3a0 [ 57.109374] ? release_sock+0x1b/0x180 [ 57.113470] inet_sendmsg+0x108/0x440 [ 57.117268] ? inet_recvmsg+0x640/0x640 [ 57.121224] sock_sendmsg+0xac/0xf0 [ 57.124855] SyS_sendto+0x1e4/0x2c0 [ 57.128472] ? SyS_getpeername+0x250/0x250 [ 57.132717] ? _raw_spin_unlock_bh+0x30/0x40 [ 57.137137] ? release_sock+0x11f/0x180 [ 57.141235] ? inet_stream_connect+0x76/0xa0 [ 57.145981] ? SyS_accept+0x10/0x10 [ 57.149609] ? __do_page_fault+0x4ef/0xa90 [ 57.154041] ? _raw_spin_unlock_irq+0x60/0x90 [ 57.158643] ? do_syscall_64+0x4c/0x5b0 [ 57.162615] ? SyS_getpeername+0x250/0x250 [ 57.166862] do_syscall_64+0x1c7/0x5b0 [ 57.171165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.176222] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 57.181525] RIP: 0033:0x7fd8eaa17ee9 [ 57.185221] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 57.192952] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fd8eaa17ee9 [ 57.200203] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 57.207947] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.215415] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 57.223486] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 57.233538] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 57.244320] CPU: 0 PID: 8312 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 57.252296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.261634] Call Trace: [ 57.264212] dump_stack+0x14b/0x1e7 [ 57.267824] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 57.273365] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 57.278104] dccp_xmit_packet+0x226/0x620 [ 57.282322] dccp_write_xmit+0x125/0x180 [ 57.286363] dccp_sendmsg+0x577/0xc60 [ 57.290316] ? dccp_getsockopt+0xd0/0xd0 [ 57.294367] ? kasan_check_write+0x14/0x20 [ 57.298595] ? copy_msghdr_from_user+0x1fd/0x440 [ 57.303354] inet_sendmsg+0x108/0x440 [ 57.307170] ? inet_recvmsg+0x640/0x640 [ 57.311138] sock_sendmsg+0xac/0xf0 [ 57.314748] ___sys_sendmsg+0x282/0x920 [ 57.318718] ? release_sock+0x11f/0x180 [ 57.322699] ? copy_msghdr_from_user+0x440/0x440 [ 57.327451] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 57.332472] ? release_sock+0x11f/0x180 [ 57.336429] ? trace_hardirqs_on+0xd/0x10 [ 57.340556] ? __local_bh_enable_ip+0xcc/0x150 [ 57.345147] ? _raw_spin_unlock_bh+0x30/0x40 [ 57.349820] ? release_sock+0x11f/0x180 [ 57.353798] ? dccp_getsockopt+0xd0/0xd0 [ 57.357851] ? reacquire_held_locks+0xb7/0x3a0 [ 57.362448] ? release_sock+0x1b/0x180 [ 57.366431] ? __fdget+0xe/0x10 [ 57.369734] ? sockfd_lookup_light+0x1c/0x160 [ 57.374235] __sys_sendmmsg+0x126/0x300 [ 57.378476] ? SyS_sendmsg+0x20/0x20 [ 57.382399] ? release_sock+0x11f/0x180 [ 57.386403] ? __do_page_fault+0x4ef/0xa90 [ 57.390656] ? _raw_spin_unlock_irq+0x60/0x90 [ 57.395170] ? do_syscall_64+0x4c/0x5b0 [ 57.399166] ? __sys_sendmmsg+0x300/0x300 [ 57.403452] SyS_sendmmsg+0xd/0x20 [ 57.406990] do_syscall_64+0x1c7/0x5b0 [ 57.411426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.416270] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 57.421457] RIP: 0033:0x7fd8eaa17ee9 [ 57.425582] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 57.433762] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 57.441200] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 57.448457] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 57.455805] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 57.463071] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 57.498218] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 57.508858] CPU: 0 PID: 8314 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 57.516751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.526109] Call Trace: [ 57.528863] dump_stack+0x14b/0x1e7 [ 57.532602] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 57.538619] ccid3_hc_tx_update_x+0x353/0x630 [ 57.543140] ? ktime_get_with_offset+0x185/0x2b0 [ 57.547994] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 57.552741] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 57.558173] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 57.563694] dccp_deliver_input_to_ccids+0x19f/0x210 [ 57.568790] dccp_rcv_established+0x49/0x70 [ 57.573107] dccp_v4_do_rcv+0xfa/0x160 [ 57.576989] __release_sock+0x10e/0x2f0 [ 57.581032] release_sock+0x4f/0x180 [ 57.584907] dccp_sendmsg+0x4c1/0xc60 [ 57.588689] ? dccp_getsockopt+0xd0/0xd0 [ 57.592830] ? reacquire_held_locks+0xb7/0x3a0 [ 57.597528] ? release_sock+0x1b/0x180 [ 57.601413] inet_sendmsg+0x108/0x440 [ 57.605210] ? inet_recvmsg+0x640/0x640 [ 57.609263] sock_sendmsg+0xac/0xf0 [ 57.612955] SyS_sendto+0x1e4/0x2c0 [ 57.616661] ? SyS_getpeername+0x250/0x250 [ 57.620878] ? _raw_spin_unlock_bh+0x30/0x40 [ 57.625355] ? release_sock+0x11f/0x180 [ 57.629328] ? inet_stream_connect+0x76/0xa0 [ 57.633736] ? SyS_accept+0x10/0x10 [ 57.637877] ? __do_page_fault+0x4ef/0xa90 [ 57.642094] ? _raw_spin_unlock_irq+0x60/0x90 [ 57.646748] ? do_syscall_64+0x4c/0x5b0 [ 57.650800] ? SyS_getpeername+0x250/0x250 [ 57.655012] do_syscall_64+0x1c7/0x5b0 [ 57.658908] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.663771] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 57.669039] RIP: 0033:0x7fd8eaa17ee9 [ 57.672742] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 57.680609] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd8eaa17ee9 [ 57.688239] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 57.695665] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.703042] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 57.710424] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 57.721031] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 57.736229] CPU: 0 PID: 8314 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 57.744332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.754267] Call Trace: [ 57.756851] dump_stack+0x14b/0x1e7 [ 57.760731] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 57.766265] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 57.771220] dccp_xmit_packet+0x226/0x620 [ 57.775426] dccp_write_xmit+0x125/0x180 [ 57.780259] dccp_sendmsg+0x577/0xc60 [ 57.784422] ? dccp_getsockopt+0xd0/0xd0 [ 57.789320] ? kasan_check_write+0x14/0x20 [ 57.795615] ? copy_msghdr_from_user+0x1fd/0x440 [ 57.800525] inet_sendmsg+0x108/0x440 [ 57.804338] ? inet_recvmsg+0x640/0x640 [ 57.808319] sock_sendmsg+0xac/0xf0 [ 57.812195] ___sys_sendmsg+0x282/0x920 [ 57.816334] ? release_sock+0x11f/0x180 [ 57.820430] ? copy_msghdr_from_user+0x440/0x440 [ 57.825374] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 57.830511] ? release_sock+0x11f/0x180 [ 57.834643] ? trace_hardirqs_on+0xd/0x10 [ 57.838892] ? __local_bh_enable_ip+0xcc/0x150 [ 57.843457] ? _raw_spin_unlock_bh+0x30/0x40 [ 57.848050] ? release_sock+0x11f/0x180 [ 57.852362] ? dccp_getsockopt+0xd0/0xd0 [ 57.856516] ? reacquire_held_locks+0xb7/0x3a0 [ 57.861114] ? release_sock+0x1b/0x180 [ 57.865001] ? __fdget+0xe/0x10 [ 57.868358] ? sockfd_lookup_light+0x1c/0x160 [ 57.873098] __sys_sendmmsg+0x126/0x300 [ 57.877260] ? SyS_sendmsg+0x20/0x20 [ 57.881152] ? release_sock+0x11f/0x180 [ 57.885136] ? __do_page_fault+0x4ef/0xa90 [ 57.889375] ? _raw_spin_unlock_irq+0x60/0x90 [ 57.893869] ? do_syscall_64+0x4c/0x5b0 [ 57.897843] ? __sys_sendmmsg+0x300/0x300 [ 57.901988] SyS_sendmmsg+0xd/0x20 [ 57.905526] do_syscall_64+0x1c7/0x5b0 [ 57.909486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.914312] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 57.919486] RIP: 0033:0x7fd8eaa17ee9 [ 57.923951] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 57.931880] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 57.939158] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 57.946545] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 57.954531] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 57.961798] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 57.985730] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 57.996799] CPU: 0 PID: 8315 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 58.004778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.014401] Call Trace: [ 58.017093] dump_stack+0x14b/0x1e7 [ 58.020726] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 58.026586] ccid3_hc_tx_update_x+0x353/0x630 [ 58.031670] ? ktime_get_with_offset+0x185/0x2b0 [ 58.036625] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 58.041506] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 58.047321] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 58.052477] dccp_deliver_input_to_ccids+0x19f/0x210 [ 58.057788] dccp_rcv_established+0x49/0x70 [ 58.062223] dccp_v4_do_rcv+0xfa/0x160 [ 58.066304] __release_sock+0x10e/0x2f0 [ 58.070598] release_sock+0x4f/0x180 [ 58.074357] dccp_sendmsg+0x4c1/0xc60 [ 58.078230] ? dccp_getsockopt+0xd0/0xd0 [ 58.082389] ? reacquire_held_locks+0xb7/0x3a0 [ 58.086967] ? release_sock+0x1b/0x180 [ 58.090841] inet_sendmsg+0x108/0x440 [ 58.094625] ? inet_recvmsg+0x640/0x640 [ 58.098581] sock_sendmsg+0xac/0xf0 [ 58.102274] SyS_sendto+0x1e4/0x2c0 [ 58.105968] ? SyS_getpeername+0x250/0x250 [ 58.110210] ? _raw_spin_unlock_bh+0x30/0x40 [ 58.114862] ? release_sock+0x11f/0x180 [ 58.119378] ? inet_stream_connect+0x76/0xa0 [ 58.123938] ? SyS_accept+0x10/0x10 [ 58.127697] ? __do_page_fault+0x4ef/0xa90 [ 58.132028] ? _raw_spin_unlock_irq+0x60/0x90 [ 58.137091] ? do_syscall_64+0x4c/0x5b0 [ 58.141057] ? SyS_getpeername+0x250/0x250 [ 58.145273] do_syscall_64+0x1c7/0x5b0 [ 58.149174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.154342] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 58.160051] RIP: 0033:0x7fd8eaa17ee9 [ 58.163750] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 58.171459] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fd8eaa17ee9 [ 58.178944] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 58.186217] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 58.194346] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 58.201723] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 58.212952] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 58.223921] CPU: 0 PID: 8315 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 58.232149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.241501] Call Trace: [ 58.244093] dump_stack+0x14b/0x1e7 [ 58.247728] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 58.253250] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 58.257912] dccp_xmit_packet+0x226/0x620 [ 58.262044] dccp_write_xmit+0x125/0x180 [ 58.266203] dccp_sendmsg+0x577/0xc60 [ 58.270173] ? dccp_getsockopt+0xd0/0xd0 [ 58.274226] ? kasan_check_write+0x14/0x20 [ 58.278450] ? copy_msghdr_from_user+0x1fd/0x440 [ 58.283193] inet_sendmsg+0x108/0x440 [ 58.286982] ? inet_recvmsg+0x640/0x640 [ 58.290962] sock_sendmsg+0xac/0xf0 [ 58.294914] ___sys_sendmsg+0x282/0x920 [ 58.298890] ? release_sock+0x11f/0x180 [ 58.302892] ? copy_msghdr_from_user+0x440/0x440 [ 58.308087] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 58.313611] ? release_sock+0x11f/0x180 [ 58.317798] ? trace_hardirqs_on+0xd/0x10 [ 58.322168] ? __local_bh_enable_ip+0xcc/0x150 [ 58.326844] ? _raw_spin_unlock_bh+0x30/0x40 [ 58.331449] ? release_sock+0x11f/0x180 [ 58.335419] ? dccp_getsockopt+0xd0/0xd0 [ 58.339624] ? reacquire_held_locks+0xb7/0x3a0 [ 58.344198] ? release_sock+0x1b/0x180 [ 58.348074] ? __fdget+0xe/0x10 [ 58.351335] ? sockfd_lookup_light+0x1c/0x160 [ 58.355852] __sys_sendmmsg+0x126/0x300 [ 58.359881] ? SyS_sendmsg+0x20/0x20 [ 58.363582] ? release_sock+0x11f/0x180 [ 58.367548] ? __do_page_fault+0x4ef/0xa90 [ 58.371938] ? _raw_spin_unlock_irq+0x60/0x90 [ 58.376420] ? do_syscall_64+0x4c/0x5b0 [ 58.380379] ? __sys_sendmmsg+0x300/0x300 [ 58.384517] SyS_sendmmsg+0xd/0x20 [ 58.388051] do_syscall_64+0x1c7/0x5b0 [ 58.391946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.396878] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 58.402059] RIP: 0033:0x7fd8eaa17ee9 [ 58.405944] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 58.413706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 58.420975] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 58.428599] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 58.436320] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 58.443580] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 58.467732] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 58.478576] CPU: 0 PID: 8316 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 58.486595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.496339] Call Trace: [ 58.498934] dump_stack+0x14b/0x1e7 [ 58.502642] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 58.508787] ccid3_hc_tx_update_x+0x353/0x630 [ 58.514505] ? ktime_get_with_offset+0x185/0x2b0 [ 58.519368] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 58.524217] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 58.529677] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 58.534689] dccp_deliver_input_to_ccids+0x19f/0x210 [ 58.539812] dccp_rcv_established+0x49/0x70 [ 58.544321] dccp_v4_do_rcv+0xfa/0x160 [ 58.548299] __release_sock+0x10e/0x2f0 [ 58.552283] release_sock+0x4f/0x180 [ 58.556084] dccp_sendmsg+0x4c1/0xc60 [ 58.559967] ? dccp_getsockopt+0xd0/0xd0 [ 58.564023] ? reacquire_held_locks+0xb7/0x3a0 [ 58.568764] ? release_sock+0x1b/0x180 [ 58.572667] inet_sendmsg+0x108/0x440 [ 58.576495] ? inet_recvmsg+0x640/0x640 [ 58.580743] sock_sendmsg+0xac/0xf0 [ 58.584385] SyS_sendto+0x1e4/0x2c0 [ 58.588028] ? SyS_getpeername+0x250/0x250 [ 58.592480] ? _raw_spin_unlock_bh+0x30/0x40 [ 58.597051] ? release_sock+0x11f/0x180 [ 58.601118] ? inet_stream_connect+0x76/0xa0 [ 58.605515] ? SyS_accept+0x10/0x10 [ 58.609337] ? __do_page_fault+0x4ef/0xa90 [ 58.613799] ? _raw_spin_unlock_irq+0x60/0x90 [ 58.618298] ? do_syscall_64+0x4c/0x5b0 [ 58.622272] ? SyS_getpeername+0x250/0x250 [ 58.626869] do_syscall_64+0x1c7/0x5b0 [ 58.630935] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.636273] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 58.641470] RIP: 0033:0x7fd8eaa17ee9 [ 58.645171] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 58.653098] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd8eaa17ee9 [ 58.660422] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 58.668115] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 58.675526] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 58.683512] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 58.693179] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 58.704204] CPU: 0 PID: 8316 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 58.712644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.722644] Call Trace: [ 58.725420] dump_stack+0x14b/0x1e7 [ 58.729465] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 58.735183] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 58.739882] dccp_xmit_packet+0x226/0x620 [ 58.744369] dccp_write_xmit+0x125/0x180 [ 58.748510] dccp_sendmsg+0x577/0xc60 [ 58.752337] ? dccp_getsockopt+0xd0/0xd0 [ 58.756411] ? kasan_check_write+0x14/0x20 [ 58.760820] ? copy_msghdr_from_user+0x1fd/0x440 [ 58.765591] inet_sendmsg+0x108/0x440 [ 58.769634] ? inet_recvmsg+0x640/0x640 [ 58.774238] sock_sendmsg+0xac/0xf0 [ 58.777989] ___sys_sendmsg+0x282/0x920 [ 58.782209] ? release_sock+0x11f/0x180 [ 58.786200] ? copy_msghdr_from_user+0x440/0x440 [ 58.790961] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 58.796111] ? release_sock+0x11f/0x180 [ 58.800230] ? trace_hardirqs_on+0xd/0x10 [ 58.805315] ? __local_bh_enable_ip+0xcc/0x150 [ 58.809882] ? _raw_spin_unlock_bh+0x30/0x40 [ 58.814554] ? release_sock+0x11f/0x180 [ 58.818515] ? dccp_getsockopt+0xd0/0xd0 [ 58.822562] ? reacquire_held_locks+0xb7/0x3a0 [ 58.827396] ? release_sock+0x1b/0x180 [ 58.831280] ? __fdget+0xe/0x10 [ 58.834553] ? sockfd_lookup_light+0x1c/0x160 [ 58.839250] __sys_sendmmsg+0x126/0x300 [ 58.843344] ? SyS_sendmsg+0x20/0x20 [ 58.847140] ? release_sock+0x11f/0x180 [ 58.851399] ? __do_page_fault+0x4ef/0xa90 [ 58.856272] ? _raw_spin_unlock_irq+0x60/0x90 [ 58.861163] ? do_syscall_64+0x4c/0x5b0 [ 58.865613] ? __sys_sendmmsg+0x300/0x300 [ 58.869752] SyS_sendmmsg+0xd/0x20 [ 58.873553] do_syscall_64+0x1c7/0x5b0 [ 58.877759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.882722] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 58.888184] RIP: 0033:0x7fd8eaa17ee9 [ 58.891945] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 58.900224] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 58.907503] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 58.915028] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 58.922550] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 58.930586] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 58.956434] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 58.967122] CPU: 0 PID: 8317 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 58.975603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.985134] Call Trace: [ 58.987710] dump_stack+0x14b/0x1e7 [ 58.991328] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 58.996927] ccid3_hc_tx_update_x+0x353/0x630 [ 59.001419] ? ktime_get_with_offset+0x185/0x2b0 [ 59.006190] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 59.010928] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 59.016457] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 59.021413] dccp_deliver_input_to_ccids+0x19f/0x210 [ 59.027465] dccp_rcv_established+0x49/0x70 [ 59.031780] dccp_v4_do_rcv+0xfa/0x160 [ 59.035828] __release_sock+0x10e/0x2f0 [ 59.039818] release_sock+0x4f/0x180 [ 59.043543] dccp_sendmsg+0x4c1/0xc60 [ 59.047336] ? dccp_getsockopt+0xd0/0xd0 [ 59.051628] ? reacquire_held_locks+0xb7/0x3a0 [ 59.056217] ? release_sock+0x1b/0x180 [ 59.060199] inet_sendmsg+0x108/0x440 [ 59.063994] ? inet_recvmsg+0x640/0x640 [ 59.067954] sock_sendmsg+0xac/0xf0 [ 59.071766] SyS_sendto+0x1e4/0x2c0 [ 59.075405] ? SyS_getpeername+0x250/0x250 [ 59.079771] ? _raw_spin_unlock_bh+0x30/0x40 [ 59.084176] ? release_sock+0x11f/0x180 [ 59.088148] ? inet_stream_connect+0x76/0xa0 [ 59.092562] ? SyS_accept+0x10/0x10 [ 59.096194] ? __do_page_fault+0x4ef/0xa90 [ 59.100416] ? _raw_spin_unlock_irq+0x60/0x90 [ 59.104913] ? do_syscall_64+0x4c/0x5b0 [ 59.108876] ? SyS_getpeername+0x250/0x250 [ 59.113099] do_syscall_64+0x1c7/0x5b0 [ 59.116995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.121835] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.127250] RIP: 0033:0x7fd8eaa17ee9 [ 59.131132] RSP: 002b:00007ffe0290ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 59.138834] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd8eaa17ee9 [ 59.146093] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 59.153441] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 59.160693] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 59.168274] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 59.177436] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 59.188648] CPU: 0 PID: 8317 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 59.196538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.205975] Call Trace: [ 59.208562] dump_stack+0x14b/0x1e7 [ 59.212189] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 59.217735] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 59.222401] dccp_xmit_packet+0x226/0x620 [ 59.226685] dccp_write_xmit+0x125/0x180 [ 59.231300] dccp_sendmsg+0x577/0xc60 [ 59.235367] ? dccp_getsockopt+0xd0/0xd0 [ 59.239425] ? kasan_check_write+0x14/0x20 [ 59.244096] ? copy_msghdr_from_user+0x1fd/0x440 [ 59.248868] inet_sendmsg+0x108/0x440 [ 59.252669] ? inet_recvmsg+0x640/0x640 [ 59.256645] sock_sendmsg+0xac/0xf0 [ 59.260254] ___sys_sendmsg+0x282/0x920 [ 59.264211] ? release_sock+0x11f/0x180 [ 59.268165] ? copy_msghdr_from_user+0x440/0x440 [ 59.272902] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 59.277894] ? release_sock+0x11f/0x180 [ 59.281863] ? trace_hardirqs_on+0xd/0x10 [ 59.286007] ? __local_bh_enable_ip+0xcc/0x150 [ 59.290577] ? _raw_spin_unlock_bh+0x30/0x40 [ 59.295103] ? release_sock+0x11f/0x180 [ 59.299123] ? dccp_getsockopt+0xd0/0xd0 [ 59.303270] ? reacquire_held_locks+0xb7/0x3a0 [ 59.307836] ? release_sock+0x1b/0x180 [ 59.311705] ? __fdget+0xe/0x10 [ 59.315052] ? sockfd_lookup_light+0x1c/0x160 [ 59.319526] __sys_sendmmsg+0x126/0x300 [ 59.323477] ? SyS_sendmsg+0x20/0x20 [ 59.327165] ? release_sock+0x11f/0x180 [ 59.331227] ? __do_page_fault+0x4ef/0xa90 [ 59.335440] ? _raw_spin_unlock_irq+0x60/0x90 [ 59.339914] ? do_syscall_64+0x4c/0x5b0 [ 59.343967] ? __sys_sendmmsg+0x300/0x300 [ 59.348108] SyS_sendmmsg+0xd/0x20 [ 59.351779] do_syscall_64+0x1c7/0x5b0 [ 59.355674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.360505] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 59.365684] RIP: 0033:0x7fd8eaa17ee9 [ 59.369375] RSP: 002b:00007ffe0290ca48 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 59.377218] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8eaa17ee9 [ 59.385143] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 59.392507] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe0290cbe8 [ 59.399889] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0290ca5c [ 59.407156] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 59.430654] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 59.441238] CPU: 0 PID: 8318 Comm: syz-executor249 Not tainted 4.14.275-syzkaller #0 [ 59.449118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.458586] Call Trace: [ 59.461170] dump_stack+0x14b/0x1e7 [ 59.465143] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 59.470681] ccid3_hc_tx_update_x+0x353/0x630 [ 59.475176] ? ktime_get_with_offset+0x185/0x2b0 [ 59.480023] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 59.484956] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 59.490495] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 59.495805] dccp_deliver_input_to_ccids+0x19f/0x210 [ 59.501040] dccp_rcv_established+0x49/0x70 [ 59.505439] dccp_v4_do_rcv+0xfa/0x160 [ 59.509348] __release_sock+0x10e/0x2f0 [ 59.513326] release_sock+0x4f/0x180 [ 59.517322] dccp_sendmsg+0x4c1/0xc60 [ 59.521124] ? dccp_getsockopt+0xd0/0xd0 [ 59.525224] ? reacquire_held_locks+0xb7/0x3a0 [ 59.529799] ? release_sock+0x1b/0x180 [ 59.533729] inet_sendmsg+0x108/0x440 [ 59.537509] ? inet_recvmsg+0x640/0x640 [ 59.541476] sock_sendmsg+0xac/0xf0 [ 59.545105] SyS_sendto+0x1e4/0x2c0 [ 59.548873] ? SyS_getpeername+0x250/0x250 [ 59.553103] ? _raw_spin_unlock_bh+0x30/0x40 [ 59.557586] ? release_sock+0x11f/0x180 [ 59.562008] ? inet_stream_connect+0x76/0xa0 [ 59.566414] ? SyS_accept+0x10/0x10 [ 59.570055] ? __do_page_fault+0x4ef/0xa90 [ 59.574278] ? _raw_spin_unlock_irq+0x60/0x90