Warning: Permanently added '10.128.10.55' (ECDSA) to the list of known hosts. [ 46.527659] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 46.538714] CPU: 1 PID: 8300 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 46.546595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.556032] Call Trace: [ 46.558611] dump_stack+0x14b/0x1e7 [ 46.562238] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 46.567757] ccid3_hc_tx_update_x+0x353/0x630 [ 46.572230] ? ktime_get_with_offset+0x185/0x2b0 [ 46.576968] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 46.581724] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 46.587153] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 46.592075] dccp_deliver_input_to_ccids+0x19f/0x210 [ 46.597156] dccp_rcv_established+0x49/0x70 [ 46.601470] dccp_v4_do_rcv+0xfa/0x160 [ 46.605375] __release_sock+0x10e/0x2f0 [ 46.609352] release_sock+0x4f/0x180 [ 46.613127] dccp_sendmsg+0x4c1/0xc60 [ 46.616935] ? dccp_getsockopt+0xd0/0xd0 [ 46.621007] ? reacquire_held_locks+0xb7/0x3a0 [ 46.625567] ? release_sock+0x1b/0x180 [ 46.629436] inet_sendmsg+0x108/0x440 [ 46.633230] ? inet_recvmsg+0x640/0x640 [ 46.637204] sock_sendmsg+0xac/0xf0 [ 46.640904] SyS_sendto+0x1e4/0x2c0 [ 46.644513] ? SyS_getpeername+0x250/0x250 [ 46.648730] ? _raw_spin_unlock_bh+0x30/0x40 [ 46.653132] ? release_sock+0x11f/0x180 [ 46.657093] ? inet_stream_connect+0x76/0xa0 [ 46.661489] ? SyS_accept+0x10/0x10 [ 46.665107] ? __do_page_fault+0x4ef/0xa90 [ 46.669405] ? _raw_spin_unlock_irq+0x60/0x90 [ 46.673878] ? do_syscall_64+0x4c/0x5b0 [ 46.677846] ? SyS_getpeername+0x250/0x250 [ 46.682062] do_syscall_64+0x1c7/0x5b0 [ 46.685933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.690935] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.696126] RIP: 0033:0x7f5313e3cee9 [ 46.699837] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 46.707529] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5313e3cee9 [ 46.714794] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 46.722061] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 46.729423] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 46.736940] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.768414] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 46.779249] CPU: 0 PID: 8302 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 46.787115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.796448] Call Trace: [ 46.799023] dump_stack+0x14b/0x1e7 [ 46.802635] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 46.808150] ccid3_hc_tx_update_x+0x353/0x630 [ 46.813045] ? ktime_get_with_offset+0x185/0x2b0 [ 46.817783] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 46.822521] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 46.828989] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 46.833987] dccp_deliver_input_to_ccids+0x19f/0x210 [ 46.839164] dccp_rcv_established+0x49/0x70 [ 46.843605] dccp_v4_do_rcv+0xfa/0x160 [ 46.847562] __release_sock+0x10e/0x2f0 [ 46.851536] release_sock+0x4f/0x180 [ 46.855230] dccp_sendmsg+0x4c1/0xc60 [ 46.859013] ? dccp_getsockopt+0xd0/0xd0 [ 46.863054] ? reacquire_held_locks+0xb7/0x3a0 [ 46.867786] ? release_sock+0x1b/0x180 [ 46.871654] inet_sendmsg+0x108/0x440 [ 46.875427] ? inet_recvmsg+0x640/0x640 [ 46.879375] sock_sendmsg+0xac/0xf0 [ 46.882975] SyS_sendto+0x1e4/0x2c0 [ 46.886596] ? SyS_getpeername+0x250/0x250 [ 46.890805] ? _raw_spin_unlock_bh+0x30/0x40 [ 46.895193] ? release_sock+0x11f/0x180 [ 46.899267] ? inet_stream_connect+0x76/0xa0 [ 46.903697] ? SyS_accept+0x10/0x10 [ 46.907310] ? __do_page_fault+0x4ef/0xa90 [ 46.911528] ? _raw_spin_unlock_irq+0x60/0x90 [ 46.916003] ? do_syscall_64+0x4c/0x5b0 [ 46.919953] ? SyS_getpeername+0x250/0x250 [ 46.924162] do_syscall_64+0x1c7/0x5b0 [ 46.928023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.932853] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.938032] RIP: 0033:0x7f5313e3cee9 [ 46.941725] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 46.949482] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 00007f5313e3cee9 [ 46.956746] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 46.963996] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 46.971242] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 46.978750] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.989653] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 47.000401] CPU: 0 PID: 8302 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 47.008369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.017727] Call Trace: [ 47.020298] dump_stack+0x14b/0x1e7 [ 47.023935] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 47.029464] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 47.034289] dccp_xmit_packet+0x226/0x620 [ 47.038432] dccp_write_xmit+0x125/0x180 [ 47.042474] dccp_sendmsg+0x577/0xc60 [ 47.046446] ? dccp_getsockopt+0xd0/0xd0 [ 47.050491] ? kasan_check_write+0x14/0x20 [ 47.054721] ? copy_msghdr_from_user+0x1fd/0x440 [ 47.059477] inet_sendmsg+0x108/0x440 [ 47.063268] ? inet_recvmsg+0x640/0x640 [ 47.067222] sock_sendmsg+0xac/0xf0 [ 47.070828] ___sys_sendmsg+0x282/0x920 [ 47.074795] ? release_sock+0x11f/0x180 [ 47.078764] ? copy_msghdr_from_user+0x440/0x440 [ 47.083510] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 47.088515] ? release_sock+0x11f/0x180 [ 47.092477] ? trace_hardirqs_on+0xd/0x10 [ 47.096617] ? __local_bh_enable_ip+0xcc/0x150 [ 47.101189] ? _raw_spin_unlock_bh+0x30/0x40 [ 47.105609] ? release_sock+0x11f/0x180 [ 47.109569] ? dccp_getsockopt+0xd0/0xd0 [ 47.113643] ? reacquire_held_locks+0xb7/0x3a0 [ 47.118207] ? release_sock+0x1b/0x180 [ 47.122097] ? __fdget+0xe/0x10 [ 47.125365] ? sockfd_lookup_light+0x1c/0x160 [ 47.130114] __sys_sendmmsg+0x126/0x300 [ 47.134175] ? SyS_sendmsg+0x20/0x20 [ 47.137975] ? release_sock+0x11f/0x180 [ 47.141965] ? __do_page_fault+0x4ef/0xa90 [ 47.146285] ? _raw_spin_unlock_irq+0x60/0x90 [ 47.150829] ? do_syscall_64+0x4c/0x5b0 [ 47.154798] ? __sys_sendmmsg+0x300/0x300 [ 47.158957] SyS_sendmmsg+0xd/0x20 [ 47.162502] do_syscall_64+0x1c7/0x5b0 [ 47.166473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.171332] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.176505] RIP: 0033:0x7f5313e3cee9 [ 47.180192] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 47.187967] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 47.195679] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 47.203484] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 47.210749] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 47.218016] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 47.250660] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 47.261764] CPU: 0 PID: 8304 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 47.269857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.279229] Call Trace: [ 47.281834] dump_stack+0x14b/0x1e7 [ 47.285451] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 47.291082] ccid3_hc_tx_update_x+0x353/0x630 [ 47.295650] ? ktime_get_with_offset+0x185/0x2b0 [ 47.300394] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 47.305159] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 47.310851] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 47.315984] dccp_deliver_input_to_ccids+0x19f/0x210 [ 47.321232] dccp_rcv_established+0x49/0x70 [ 47.325562] dccp_v4_do_rcv+0xfa/0x160 [ 47.329437] __release_sock+0x10e/0x2f0 [ 47.333390] release_sock+0x4f/0x180 [ 47.337082] dccp_sendmsg+0x4c1/0xc60 [ 47.341171] ? dccp_getsockopt+0xd0/0xd0 [ 47.345236] ? reacquire_held_locks+0xb7/0x3a0 [ 47.349959] ? release_sock+0x1b/0x180 [ 47.353893] inet_sendmsg+0x108/0x440 [ 47.357697] ? inet_recvmsg+0x640/0x640 [ 47.361650] sock_sendmsg+0xac/0xf0 [ 47.365422] SyS_sendto+0x1e4/0x2c0 [ 47.369108] ? SyS_getpeername+0x250/0x250 [ 47.373501] ? _raw_spin_unlock_bh+0x30/0x40 [ 47.377897] ? release_sock+0x11f/0x180 [ 47.381859] ? inet_stream_connect+0x76/0xa0 [ 47.386247] ? SyS_accept+0x10/0x10 [ 47.390177] ? __do_page_fault+0x4ef/0xa90 [ 47.394529] ? _raw_spin_unlock_irq+0x60/0x90 [ 47.399015] ? do_syscall_64+0x4c/0x5b0 [ 47.403248] ? SyS_getpeername+0x250/0x250 [ 47.407463] do_syscall_64+0x1c7/0x5b0 [ 47.411334] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.416198] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.421505] RIP: 0033:0x7f5313e3cee9 [ 47.425205] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 47.433028] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f5313e3cee9 [ 47.440273] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 47.447526] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 47.454871] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 47.462705] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 47.473752] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 47.484685] CPU: 0 PID: 8304 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 47.492812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.502186] Call Trace: [ 47.504774] dump_stack+0x14b/0x1e7 [ 47.508807] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 47.514344] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 47.519013] dccp_xmit_packet+0x226/0x620 [ 47.523389] dccp_write_xmit+0x125/0x180 [ 47.527443] dccp_sendmsg+0x577/0xc60 [ 47.531498] ? dccp_getsockopt+0xd0/0xd0 [ 47.535670] ? kasan_check_write+0x14/0x20 [ 47.540024] ? copy_msghdr_from_user+0x1fd/0x440 [ 47.544986] inet_sendmsg+0x108/0x440 [ 47.548935] ? inet_recvmsg+0x640/0x640 [ 47.552892] sock_sendmsg+0xac/0xf0 [ 47.556499] ___sys_sendmsg+0x282/0x920 [ 47.560451] ? release_sock+0x11f/0x180 [ 47.564424] ? copy_msghdr_from_user+0x440/0x440 [ 47.569177] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 47.574191] ? release_sock+0x11f/0x180 [ 47.578205] ? trace_hardirqs_on+0xd/0x10 [ 47.582437] ? __local_bh_enable_ip+0xcc/0x150 [ 47.587005] ? _raw_spin_unlock_bh+0x30/0x40 [ 47.591580] ? release_sock+0x11f/0x180 [ 47.595542] ? dccp_getsockopt+0xd0/0xd0 [ 47.599754] ? reacquire_held_locks+0xb7/0x3a0 [ 47.604326] ? release_sock+0x1b/0x180 [ 47.608213] ? __fdget+0xe/0x10 [ 47.611472] ? sockfd_lookup_light+0x1c/0x160 [ 47.615953] __sys_sendmmsg+0x126/0x300 [ 47.619935] ? SyS_sendmsg+0x20/0x20 [ 47.623886] ? release_sock+0x11f/0x180 [ 47.627865] ? __do_page_fault+0x4ef/0xa90 [ 47.632138] ? _raw_spin_unlock_irq+0x60/0x90 [ 47.636627] ? do_syscall_64+0x4c/0x5b0 [ 47.640602] ? __sys_sendmmsg+0x300/0x300 [ 47.644737] SyS_sendmmsg+0xd/0x20 [ 47.648260] do_syscall_64+0x1c7/0x5b0 [ 47.652390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.657215] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.662573] RIP: 0033:0x7f5313e3cee9 [ 47.666259] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 47.673943] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 47.681209] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 47.688490] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 47.696005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 47.703278] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 47.727195] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 47.737866] CPU: 0 PID: 8305 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 47.745888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.755239] Call Trace: [ 47.757808] dump_stack+0x14b/0x1e7 [ 47.761441] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 47.767115] ccid3_hc_tx_update_x+0x353/0x630 [ 47.771593] ? ktime_get_with_offset+0x185/0x2b0 [ 47.776356] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 47.781187] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 47.786629] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 47.791545] dccp_deliver_input_to_ccids+0x19f/0x210 [ 47.797070] dccp_rcv_established+0x49/0x70 [ 47.801499] dccp_v4_do_rcv+0xfa/0x160 [ 47.805375] __release_sock+0x10e/0x2f0 [ 47.809340] release_sock+0x4f/0x180 [ 47.813164] dccp_sendmsg+0x4c1/0xc60 [ 47.816947] ? dccp_getsockopt+0xd0/0xd0 [ 47.821004] ? reacquire_held_locks+0xb7/0x3a0 [ 47.825569] ? release_sock+0x1b/0x180 [ 47.829464] inet_sendmsg+0x108/0x440 [ 47.833244] ? inet_recvmsg+0x640/0x640 [ 47.837369] sock_sendmsg+0xac/0xf0 [ 47.841067] SyS_sendto+0x1e4/0x2c0 [ 47.845043] ? SyS_getpeername+0x250/0x250 [ 47.849261] ? _raw_spin_unlock_bh+0x30/0x40 [ 47.853646] ? release_sock+0x11f/0x180 [ 47.857686] ? inet_stream_connect+0x76/0xa0 [ 47.862070] ? SyS_accept+0x10/0x10 [ 47.865793] ? __do_page_fault+0x4ef/0xa90 [ 47.870082] ? _raw_spin_unlock_irq+0x60/0x90 [ 47.874592] ? do_syscall_64+0x4c/0x5b0 [ 47.878661] ? SyS_getpeername+0x250/0x250 [ 47.882902] do_syscall_64+0x1c7/0x5b0 [ 47.886941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.891789] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.896967] RIP: 0033:0x7f5313e3cee9 [ 47.900755] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 47.908439] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5313e3cee9 [ 47.915687] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 47.922934] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 47.930195] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 47.937443] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 47.947578] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 47.958185] CPU: 0 PID: 8305 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 47.966155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.975503] Call Trace: [ 47.978073] dump_stack+0x14b/0x1e7 [ 47.981679] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 47.987189] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 47.991830] dccp_xmit_packet+0x226/0x620 [ 47.995956] dccp_write_xmit+0x125/0x180 [ 48.000004] dccp_sendmsg+0x577/0xc60 [ 48.004237] ? dccp_getsockopt+0xd0/0xd0 [ 48.008280] ? kasan_check_write+0x14/0x20 [ 48.012509] ? copy_msghdr_from_user+0x1fd/0x440 [ 48.017374] inet_sendmsg+0x108/0x440 [ 48.021287] ? inet_recvmsg+0x640/0x640 [ 48.025254] sock_sendmsg+0xac/0xf0 [ 48.029022] ___sys_sendmsg+0x282/0x920 [ 48.032980] ? release_sock+0x11f/0x180 [ 48.036938] ? copy_msghdr_from_user+0x440/0x440 [ 48.041788] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 48.046790] ? release_sock+0x11f/0x180 [ 48.050858] ? trace_hardirqs_on+0xd/0x10 [ 48.054981] ? __local_bh_enable_ip+0xcc/0x150 [ 48.059557] ? _raw_spin_unlock_bh+0x30/0x40 [ 48.064165] ? release_sock+0x11f/0x180 [ 48.068122] ? dccp_getsockopt+0xd0/0xd0 [ 48.072171] ? reacquire_held_locks+0xb7/0x3a0 [ 48.076736] ? release_sock+0x1b/0x180 [ 48.080600] ? __fdget+0xe/0x10 [ 48.083854] ? sockfd_lookup_light+0x1c/0x160 [ 48.088339] __sys_sendmmsg+0x126/0x300 [ 48.092301] ? SyS_sendmsg+0x20/0x20 [ 48.095994] ? release_sock+0x11f/0x180 [ 48.099968] ? __do_page_fault+0x4ef/0xa90 [ 48.104178] ? _raw_spin_unlock_irq+0x60/0x90 [ 48.108676] ? do_syscall_64+0x4c/0x5b0 [ 48.112646] ? __sys_sendmmsg+0x300/0x300 [ 48.116850] SyS_sendmmsg+0xd/0x20 [ 48.120372] do_syscall_64+0x1c7/0x5b0 [ 48.124367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.129475] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.134640] RIP: 0033:0x7f5313e3cee9 [ 48.138774] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 48.146900] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 48.154460] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 48.161900] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 48.169527] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 48.176869] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 48.199631] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 48.210368] CPU: 0 PID: 8306 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 48.218612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.228479] Call Trace: [ 48.231052] dump_stack+0x14b/0x1e7 [ 48.234661] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 48.241376] ccid3_hc_tx_update_x+0x353/0x630 [ 48.245855] ? ktime_get_with_offset+0x185/0x2b0 [ 48.250626] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 48.255357] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 48.260780] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 48.265705] dccp_deliver_input_to_ccids+0x19f/0x210 [ 48.270882] dccp_rcv_established+0x49/0x70 [ 48.275190] dccp_v4_do_rcv+0xfa/0x160 [ 48.279144] __release_sock+0x10e/0x2f0 [ 48.283097] release_sock+0x4f/0x180 [ 48.287156] dccp_sendmsg+0x4c1/0xc60 [ 48.290948] ? dccp_getsockopt+0xd0/0xd0 [ 48.295003] ? reacquire_held_locks+0xb7/0x3a0 [ 48.299583] ? release_sock+0x1b/0x180 [ 48.303550] inet_sendmsg+0x108/0x440 [ 48.307411] ? inet_recvmsg+0x640/0x640 [ 48.311357] sock_sendmsg+0xac/0xf0 [ 48.314988] SyS_sendto+0x1e4/0x2c0 [ 48.318775] ? SyS_getpeername+0x250/0x250 [ 48.323075] ? _raw_spin_unlock_bh+0x30/0x40 [ 48.327460] ? release_sock+0x11f/0x180 [ 48.331406] ? inet_stream_connect+0x76/0xa0 [ 48.335945] ? SyS_accept+0x10/0x10 [ 48.339554] ? __do_page_fault+0x4ef/0xa90 [ 48.343770] ? _raw_spin_unlock_irq+0x60/0x90 [ 48.348896] ? do_syscall_64+0x4c/0x5b0 [ 48.353173] ? SyS_getpeername+0x250/0x250 [ 48.357407] do_syscall_64+0x1c7/0x5b0 [ 48.361289] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.366673] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.371950] RIP: 0033:0x7f5313e3cee9 [ 48.375651] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 48.383399] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5313e3cee9 [ 48.391056] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 48.398871] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 48.406211] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 48.413541] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 48.422605] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 48.433560] CPU: 0 PID: 8306 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 48.441436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.451027] Call Trace: [ 48.453590] dump_stack+0x14b/0x1e7 [ 48.457190] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 48.462703] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 48.467344] dccp_xmit_packet+0x226/0x620 [ 48.471815] dccp_write_xmit+0x125/0x180 [ 48.475935] dccp_sendmsg+0x577/0xc60 [ 48.479722] ? dccp_getsockopt+0xd0/0xd0 [ 48.483776] ? kasan_check_write+0x14/0x20 [ 48.488002] ? copy_msghdr_from_user+0x1fd/0x440 [ 48.492923] inet_sendmsg+0x108/0x440 [ 48.496729] ? inet_recvmsg+0x640/0x640 [ 48.500948] sock_sendmsg+0xac/0xf0 [ 48.505123] ___sys_sendmsg+0x282/0x920 [ 48.509202] ? release_sock+0x11f/0x180 [ 48.513501] ? copy_msghdr_from_user+0x440/0x440 [ 48.520524] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 48.525536] ? release_sock+0x11f/0x180 [ 48.529486] ? trace_hardirqs_on+0xd/0x10 [ 48.533614] ? __local_bh_enable_ip+0xcc/0x150 [ 48.538170] ? _raw_spin_unlock_bh+0x30/0x40 [ 48.542569] ? release_sock+0x11f/0x180 [ 48.546681] ? dccp_getsockopt+0xd0/0xd0 [ 48.551182] ? reacquire_held_locks+0xb7/0x3a0 [ 48.555746] ? release_sock+0x1b/0x180 [ 48.559616] ? __fdget+0xe/0x10 [ 48.562870] ? sockfd_lookup_light+0x1c/0x160 [ 48.567429] __sys_sendmmsg+0x126/0x300 [ 48.571833] ? SyS_sendmsg+0x20/0x20 [ 48.575702] ? release_sock+0x11f/0x180 [ 48.579673] ? __do_page_fault+0x4ef/0xa90 [ 48.583888] ? _raw_spin_unlock_irq+0x60/0x90 [ 48.588795] ? do_syscall_64+0x4c/0x5b0 [ 48.592750] ? __sys_sendmmsg+0x300/0x300 [ 48.596876] SyS_sendmmsg+0xd/0x20 [ 48.600482] do_syscall_64+0x1c7/0x5b0 [ 48.604410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.609246] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.614587] RIP: 0033:0x7f5313e3cee9 [ 48.618374] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 48.626056] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 48.633407] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 48.640912] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 48.648157] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 48.655497] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 48.685007] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 48.696285] CPU: 1 PID: 8308 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 48.704808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.714143] Call Trace: [ 48.716722] dump_stack+0x14b/0x1e7 [ 48.720528] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 48.726088] ccid3_hc_tx_update_x+0x353/0x630 [ 48.730654] ? ktime_get_with_offset+0x185/0x2b0 [ 48.735384] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 48.740122] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 48.745552] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 48.750634] dccp_deliver_input_to_ccids+0x19f/0x210 [ 48.755709] dccp_rcv_established+0x49/0x70 [ 48.760004] dccp_v4_do_rcv+0xfa/0x160 [ 48.764054] __release_sock+0x10e/0x2f0 [ 48.768011] release_sock+0x4f/0x180 [ 48.771701] dccp_sendmsg+0x4c1/0xc60 [ 48.775478] ? dccp_getsockopt+0xd0/0xd0 [ 48.779740] ? reacquire_held_locks+0xb7/0x3a0 [ 48.784309] ? release_sock+0x1b/0x180 [ 48.788268] inet_sendmsg+0x108/0x440 [ 48.792143] ? inet_recvmsg+0x640/0x640 [ 48.796183] sock_sendmsg+0xac/0xf0 [ 48.800444] SyS_sendto+0x1e4/0x2c0 [ 48.804671] ? SyS_getpeername+0x250/0x250 [ 48.808987] ? _raw_spin_unlock_bh+0x30/0x40 [ 48.813370] ? release_sock+0x11f/0x180 [ 48.817336] ? inet_stream_connect+0x76/0xa0 [ 48.822270] ? SyS_accept+0x10/0x10 [ 48.826413] ? __do_page_fault+0x4ef/0xa90 [ 48.830798] ? _raw_spin_unlock_irq+0x60/0x90 [ 48.835676] ? do_syscall_64+0x4c/0x5b0 [ 48.839634] ? SyS_getpeername+0x250/0x250 [ 48.843857] do_syscall_64+0x1c7/0x5b0 [ 48.847918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.852759] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 48.858050] RIP: 0033:0x7f5313e3cee9 [ 48.861833] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 48.869549] RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f5313e3cee9 [ 48.876801] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 48.884058] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 48.891304] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 48.898728] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 48.906802] unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 [ 48.919500] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 48.930183] CPU: 0 PID: 8308 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 48.938049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.947379] Call Trace: [ 48.949943] dump_stack+0x14b/0x1e7 [ 48.953561] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 48.959097] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 48.963748] dccp_xmit_packet+0x226/0x620 [ 48.967885] dccp_write_xmit+0x125/0x180 [ 48.971923] dccp_sendmsg+0x577/0xc60 [ 48.975701] ? dccp_getsockopt+0xd0/0xd0 [ 48.979739] ? kasan_check_write+0x14/0x20 [ 48.983965] ? copy_msghdr_from_user+0x1fd/0x440 [ 48.988704] inet_sendmsg+0x108/0x440 [ 48.992487] ? inet_recvmsg+0x640/0x640 [ 48.996444] sock_sendmsg+0xac/0xf0 [ 49.000048] ___sys_sendmsg+0x282/0x920 [ 49.004001] ? release_sock+0x11f/0x180 [ 49.007952] ? copy_msghdr_from_user+0x440/0x440 [ 49.012698] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 49.017689] ? release_sock+0x11f/0x180 [ 49.021638] ? trace_hardirqs_on+0xd/0x10 [ 49.025767] ? __local_bh_enable_ip+0xcc/0x150 [ 49.030337] ? _raw_spin_unlock_bh+0x30/0x40 [ 49.034719] ? release_sock+0x11f/0x180 [ 49.038674] ? dccp_getsockopt+0xd0/0xd0 [ 49.042709] ? reacquire_held_locks+0xb7/0x3a0 [ 49.047262] ? release_sock+0x1b/0x180 [ 49.051130] ? __fdget+0xe/0x10 [ 49.054384] ? sockfd_lookup_light+0x1c/0x160 [ 49.058854] __sys_sendmmsg+0x126/0x300 [ 49.062811] ? SyS_sendmsg+0x20/0x20 [ 49.066501] ? release_sock+0x11f/0x180 [ 49.070547] ? __do_page_fault+0x4ef/0xa90 [ 49.075018] ? _raw_spin_unlock_irq+0x60/0x90 [ 49.079500] ? do_syscall_64+0x4c/0x5b0 [ 49.083447] ? __sys_sendmmsg+0x300/0x300 [ 49.087579] SyS_sendmmsg+0xd/0x20 [ 49.091091] do_syscall_64+0x1c7/0x5b0 [ 49.094963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.099780] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.104959] RIP: 0033:0x7f5313e3cee9 [ 49.108657] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 49.116338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 49.123581] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 49.130825] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 49.138531] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 49.145789] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 49.177232] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 49.188193] CPU: 0 PID: 8310 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 49.196232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.205763] Call Trace: [ 49.208330] dump_stack+0x14b/0x1e7 [ 49.212109] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 49.217628] ccid3_hc_tx_update_x+0x353/0x630 [ 49.222281] ? ktime_get_with_offset+0x185/0x2b0 [ 49.227624] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 49.232567] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 49.238083] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 49.243011] dccp_deliver_input_to_ccids+0x19f/0x210 [ 49.248194] dccp_rcv_established+0x49/0x70 [ 49.252608] dccp_v4_do_rcv+0xfa/0x160 [ 49.256653] __release_sock+0x10e/0x2f0 [ 49.260605] release_sock+0x4f/0x180 [ 49.264313] dccp_sendmsg+0x4c1/0xc60 [ 49.268100] ? dccp_getsockopt+0xd0/0xd0 [ 49.272161] ? reacquire_held_locks+0xb7/0x3a0 [ 49.276716] ? release_sock+0x1b/0x180 [ 49.280576] inet_sendmsg+0x108/0x440 [ 49.284348] ? inet_recvmsg+0x640/0x640 [ 49.288297] sock_sendmsg+0xac/0xf0 [ 49.291900] SyS_sendto+0x1e4/0x2c0 [ 49.295502] ? SyS_getpeername+0x250/0x250 [ 49.299811] ? _raw_spin_unlock_bh+0x30/0x40 [ 49.304214] ? release_sock+0x11f/0x180 [ 49.308188] ? inet_stream_connect+0x76/0xa0 [ 49.312662] ? SyS_accept+0x10/0x10 [ 49.316269] ? __do_page_fault+0x4ef/0xa90 [ 49.320476] ? _raw_spin_unlock_irq+0x60/0x90 [ 49.324946] ? do_syscall_64+0x4c/0x5b0 [ 49.328899] ? SyS_getpeername+0x250/0x250 [ 49.333105] do_syscall_64+0x1c7/0x5b0 [ 49.336965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.341786] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.347093] RIP: 0033:0x7f5313e3cee9 [ 49.350998] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 49.358688] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5313e3cee9 [ 49.365951] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 49.373223] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 49.380554] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 49.387814] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 49.398761] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 49.409407] CPU: 0 PID: 8310 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 49.417293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.426638] Call Trace: [ 49.429236] dump_stack+0x14b/0x1e7 [ 49.432853] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 49.438367] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 49.443223] dccp_xmit_packet+0x226/0x620 [ 49.447347] dccp_write_xmit+0x125/0x180 [ 49.451384] dccp_sendmsg+0x577/0xc60 [ 49.455166] ? dccp_getsockopt+0xd0/0xd0 [ 49.459210] ? kasan_check_write+0x14/0x20 [ 49.463430] ? copy_msghdr_from_user+0x1fd/0x440 [ 49.468168] inet_sendmsg+0x108/0x440 [ 49.471942] ? inet_recvmsg+0x640/0x640 [ 49.476076] sock_sendmsg+0xac/0xf0 [ 49.479681] ___sys_sendmsg+0x282/0x920 [ 49.483639] ? release_sock+0x11f/0x180 [ 49.487659] ? copy_msghdr_from_user+0x440/0x440 [ 49.492411] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 49.497425] ? release_sock+0x11f/0x180 [ 49.501378] ? trace_hardirqs_on+0xd/0x10 [ 49.505509] ? __local_bh_enable_ip+0xcc/0x150 [ 49.510238] ? _raw_spin_unlock_bh+0x30/0x40 [ 49.514618] ? release_sock+0x11f/0x180 [ 49.518580] ? dccp_getsockopt+0xd0/0xd0 [ 49.522616] ? reacquire_held_locks+0xb7/0x3a0 [ 49.527169] ? release_sock+0x1b/0x180 [ 49.531132] ? __fdget+0xe/0x10 [ 49.534389] ? sockfd_lookup_light+0x1c/0x160 [ 49.538947] __sys_sendmmsg+0x126/0x300 [ 49.542981] ? SyS_sendmsg+0x20/0x20 [ 49.546679] ? release_sock+0x11f/0x180 [ 49.550643] ? __do_page_fault+0x4ef/0xa90 [ 49.554857] ? _raw_spin_unlock_irq+0x60/0x90 [ 49.559337] ? do_syscall_64+0x4c/0x5b0 [ 49.563530] ? __sys_sendmmsg+0x300/0x300 [ 49.567664] SyS_sendmmsg+0xd/0x20 [ 49.571199] do_syscall_64+0x1c7/0x5b0 [ 49.575093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.579918] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.585083] RIP: 0033:0x7f5313e3cee9 [ 49.588782] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 49.596737] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 49.604177] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 49.611520] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 49.618784] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 49.626036] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 49.649285] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 49.659888] CPU: 0 PID: 8311 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 49.667754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.677087] Call Trace: [ 49.679655] dump_stack+0x14b/0x1e7 [ 49.683267] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 49.688785] ccid3_hc_tx_update_x+0x353/0x630 [ 49.693263] ? ktime_get_with_offset+0x185/0x2b0 [ 49.697997] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 49.702741] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 49.708185] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 49.713102] dccp_deliver_input_to_ccids+0x19f/0x210 [ 49.718188] dccp_rcv_established+0x49/0x70 [ 49.722504] dccp_v4_do_rcv+0xfa/0x160 [ 49.726368] __release_sock+0x10e/0x2f0 [ 49.730329] release_sock+0x4f/0x180 [ 49.734036] dccp_sendmsg+0x4c1/0xc60 [ 49.737907] ? dccp_getsockopt+0xd0/0xd0 [ 49.741961] ? reacquire_held_locks+0xb7/0x3a0 [ 49.746515] ? release_sock+0x1b/0x180 [ 49.750398] inet_sendmsg+0x108/0x440 [ 49.754184] ? inet_recvmsg+0x640/0x640 [ 49.758134] sock_sendmsg+0xac/0xf0 [ 49.761732] SyS_sendto+0x1e4/0x2c0 [ 49.765327] ? SyS_getpeername+0x250/0x250 [ 49.769576] ? _raw_spin_unlock_bh+0x30/0x40 [ 49.773955] ? release_sock+0x11f/0x180 [ 49.777920] ? inet_stream_connect+0x76/0xa0 [ 49.782311] ? SyS_accept+0x10/0x10 [ 49.785924] ? __do_page_fault+0x4ef/0xa90 [ 49.790146] ? _raw_spin_unlock_irq+0x60/0x90 [ 49.794622] ? do_syscall_64+0x4c/0x5b0 [ 49.798614] ? SyS_getpeername+0x250/0x250 [ 49.802826] do_syscall_64+0x1c7/0x5b0 [ 49.806701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.811525] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.816690] RIP: 0033:0x7f5313e3cee9 [ 49.820380] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 49.828103] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f5313e3cee9 [ 49.835364] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 49.842624] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 49.850104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 49.857400] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 49.876477] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 49.887019] CPU: 0 PID: 8311 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 49.894878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.904216] Call Trace: [ 49.906798] dump_stack+0x14b/0x1e7 [ 49.910415] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 49.915951] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 49.920608] dccp_xmit_packet+0x226/0x620 [ 49.924739] dccp_write_xmit+0x125/0x180 [ 49.928779] dccp_sendmsg+0x577/0xc60 [ 49.932570] ? dccp_getsockopt+0xd0/0xd0 [ 49.936610] ? kasan_check_write+0x14/0x20 [ 49.940823] ? copy_msghdr_from_user+0x1fd/0x440 [ 49.945569] inet_sendmsg+0x108/0x440 [ 49.949376] ? inet_recvmsg+0x640/0x640 [ 49.953336] sock_sendmsg+0xac/0xf0 [ 49.957065] ___sys_sendmsg+0x282/0x920 [ 49.961020] ? release_sock+0x11f/0x180 [ 49.965114] ? copy_msghdr_from_user+0x440/0x440 [ 49.970039] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 49.975034] ? release_sock+0x11f/0x180 [ 49.979009] ? trace_hardirqs_on+0xd/0x10 [ 49.983136] ? __local_bh_enable_ip+0xcc/0x150 [ 49.987696] ? _raw_spin_unlock_bh+0x30/0x40 [ 49.992080] ? release_sock+0x11f/0x180 [ 49.996153] ? dccp_getsockopt+0xd0/0xd0 [ 50.000191] ? reacquire_held_locks+0xb7/0x3a0 [ 50.004749] ? release_sock+0x1b/0x180 [ 50.008614] ? __fdget+0xe/0x10 [ 50.011866] ? sockfd_lookup_light+0x1c/0x160 [ 50.016342] __sys_sendmmsg+0x126/0x300 [ 50.020293] ? SyS_sendmsg+0x20/0x20 [ 50.023983] ? release_sock+0x11f/0x180 [ 50.027943] ? __do_page_fault+0x4ef/0xa90 [ 50.032153] ? _raw_spin_unlock_irq+0x60/0x90 [ 50.036649] ? do_syscall_64+0x4c/0x5b0 [ 50.040613] ? __sys_sendmmsg+0x300/0x300 [ 50.044740] SyS_sendmmsg+0xd/0x20 [ 50.048254] do_syscall_64+0x1c7/0x5b0 [ 50.052115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.056934] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.062122] RIP: 0033:0x7f5313e3cee9 [ 50.065821] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 50.073510] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 50.080753] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 50.087997] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 50.095240] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 50.102482] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.126003] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 50.136540] CPU: 0 PID: 8312 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 50.144400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.153749] Call Trace: [ 50.156317] dump_stack+0x14b/0x1e7 [ 50.159944] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 50.165489] ccid3_hc_tx_update_x+0x353/0x630 [ 50.169969] ? ktime_get_with_offset+0x185/0x2b0 [ 50.174706] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 50.179441] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 50.184868] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 50.189790] dccp_deliver_input_to_ccids+0x19f/0x210 [ 50.194873] dccp_rcv_established+0x49/0x70 [ 50.199168] dccp_v4_do_rcv+0xfa/0x160 [ 50.203033] __release_sock+0x10e/0x2f0 [ 50.206983] release_sock+0x4f/0x180 [ 50.210672] dccp_sendmsg+0x4c1/0xc60 [ 50.214446] ? dccp_getsockopt+0xd0/0xd0 [ 50.218480] ? reacquire_held_locks+0xb7/0x3a0 [ 50.223043] ? release_sock+0x1b/0x180 [ 50.226917] inet_sendmsg+0x108/0x440 [ 50.230870] ? inet_recvmsg+0x640/0x640 [ 50.234819] sock_sendmsg+0xac/0xf0 [ 50.238424] SyS_sendto+0x1e4/0x2c0 [ 50.242033] ? SyS_getpeername+0x250/0x250 [ 50.246337] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.250719] ? release_sock+0x11f/0x180 [ 50.254825] ? inet_stream_connect+0x76/0xa0 [ 50.259988] ? SyS_accept+0x10/0x10 [ 50.263594] ? __do_page_fault+0x4ef/0xa90 [ 50.267803] ? _raw_spin_unlock_irq+0x60/0x90 [ 50.272274] ? do_syscall_64+0x4c/0x5b0 [ 50.276223] ? SyS_getpeername+0x250/0x250 [ 50.280444] do_syscall_64+0x1c7/0x5b0 [ 50.284567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.289384] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.294555] RIP: 0033:0x7f5313e3cee9 [ 50.298250] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 50.305930] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5313e3cee9 [ 50.313173] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 50.320416] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 50.327664] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 50.334916] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.344344] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 50.354927] CPU: 0 PID: 8312 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 50.362798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.372431] Call Trace: [ 50.375187] dump_stack+0x14b/0x1e7 [ 50.379516] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 50.385254] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 50.389922] dccp_xmit_packet+0x226/0x620 [ 50.394053] dccp_write_xmit+0x125/0x180 [ 50.398094] dccp_sendmsg+0x577/0xc60 [ 50.401876] ? dccp_getsockopt+0xd0/0xd0 [ 50.407054] ? kasan_check_write+0x14/0x20 [ 50.411377] ? copy_msghdr_from_user+0x1fd/0x440 [ 50.416184] inet_sendmsg+0x108/0x440 [ 50.419972] ? inet_recvmsg+0x640/0x640 [ 50.423930] sock_sendmsg+0xac/0xf0 [ 50.427626] ___sys_sendmsg+0x282/0x920 [ 50.431580] ? release_sock+0x11f/0x180 [ 50.435566] ? copy_msghdr_from_user+0x440/0x440 [ 50.440828] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 50.447056] ? release_sock+0x11f/0x180 [ 50.451184] ? trace_hardirqs_on+0xd/0x10 [ 50.456023] ? __local_bh_enable_ip+0xcc/0x150 [ 50.460933] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.465328] ? release_sock+0x11f/0x180 [ 50.469456] ? dccp_getsockopt+0xd0/0xd0 [ 50.473623] ? reacquire_held_locks+0xb7/0x3a0 [ 50.478180] ? release_sock+0x1b/0x180 [ 50.482153] ? __fdget+0xe/0x10 [ 50.485687] ? sockfd_lookup_light+0x1c/0x160 [ 50.490160] __sys_sendmmsg+0x126/0x300 [ 50.494110] ? SyS_sendmsg+0x20/0x20 [ 50.497799] ? release_sock+0x11f/0x180 [ 50.501802] ? __do_page_fault+0x4ef/0xa90 [ 50.506067] ? _raw_spin_unlock_irq+0x60/0x90 [ 50.511069] ? do_syscall_64+0x4c/0x5b0 [ 50.515030] ? __sys_sendmmsg+0x300/0x300 [ 50.519174] SyS_sendmmsg+0xd/0x20 [ 50.522701] do_syscall_64+0x1c7/0x5b0 [ 50.527139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.532061] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.537240] RIP: 0033:0x7f5313e3cee9 [ 50.541017] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 50.548879] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 50.556387] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 50.563899] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 50.571467] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 50.578721] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.601732] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 50.612343] CPU: 0 PID: 8313 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 50.620240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.632475] Call Trace: [ 50.635067] dump_stack+0x14b/0x1e7 [ 50.638679] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 50.644293] ccid3_hc_tx_update_x+0x353/0x630 [ 50.648771] ? ktime_get_with_offset+0x185/0x2b0 [ 50.653597] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 50.658336] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 50.663859] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 50.668783] dccp_deliver_input_to_ccids+0x19f/0x210 [ 50.673866] dccp_rcv_established+0x49/0x70 [ 50.678613] dccp_v4_do_rcv+0xfa/0x160 [ 50.682586] __release_sock+0x10e/0x2f0 [ 50.686540] release_sock+0x4f/0x180 [ 50.690533] dccp_sendmsg+0x4c1/0xc60 [ 50.694322] ? dccp_getsockopt+0xd0/0xd0 [ 50.698494] ? reacquire_held_locks+0xb7/0x3a0 [ 50.703080] ? release_sock+0x1b/0x180 [ 50.706958] inet_sendmsg+0x108/0x440 [ 50.710844] ? inet_recvmsg+0x640/0x640 [ 50.715266] sock_sendmsg+0xac/0xf0 [ 50.718872] SyS_sendto+0x1e4/0x2c0 [ 50.722482] ? SyS_getpeername+0x250/0x250 [ 50.726805] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.731200] ? release_sock+0x11f/0x180 [ 50.735386] ? inet_stream_connect+0x76/0xa0 [ 50.739784] ? SyS_accept+0x10/0x10 [ 50.743830] ? __do_page_fault+0x4ef/0xa90 [ 50.748045] ? _raw_spin_unlock_irq+0x60/0x90 [ 50.752916] ? do_syscall_64+0x4c/0x5b0 [ 50.757177] ? SyS_getpeername+0x250/0x250 [ 50.761944] do_syscall_64+0x1c7/0x5b0 [ 50.765811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.771171] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.776353] RIP: 0033:0x7f5313e3cee9 [ 50.780099] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 50.788253] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5313e3cee9 [ 50.796264] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 50.803890] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 50.811817] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 50.819354] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 50.828533] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 50.839595] CPU: 0 PID: 8313 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 50.847479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.858593] Call Trace: [ 50.862678] dump_stack+0x14b/0x1e7 [ 50.867863] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 50.874121] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 50.879218] dccp_xmit_packet+0x226/0x620 [ 50.883410] dccp_write_xmit+0x125/0x180 [ 50.887551] dccp_sendmsg+0x577/0xc60 [ 50.891424] ? dccp_getsockopt+0xd0/0xd0 [ 50.895496] ? kasan_check_write+0x14/0x20 [ 50.899849] ? copy_msghdr_from_user+0x1fd/0x440 [ 50.904781] inet_sendmsg+0x108/0x440 [ 50.908827] ? inet_recvmsg+0x640/0x640 [ 50.913180] sock_sendmsg+0xac/0xf0 [ 50.916964] ___sys_sendmsg+0x282/0x920 [ 50.920919] ? release_sock+0x11f/0x180 [ 50.924964] ? copy_msghdr_from_user+0x440/0x440 [ 50.929723] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 50.934738] ? release_sock+0x11f/0x180 [ 50.938701] ? trace_hardirqs_on+0xd/0x10 [ 50.942832] ? __local_bh_enable_ip+0xcc/0x150 [ 50.947736] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.952212] ? release_sock+0x11f/0x180 [ 50.956208] ? dccp_getsockopt+0xd0/0xd0 [ 50.960660] ? reacquire_held_locks+0xb7/0x3a0 [ 50.965430] ? release_sock+0x1b/0x180 [ 50.969323] ? __fdget+0xe/0x10 [ 50.972601] ? sockfd_lookup_light+0x1c/0x160 [ 50.977426] __sys_sendmmsg+0x126/0x300 [ 50.981403] ? SyS_sendmsg+0x20/0x20 [ 50.985092] ? release_sock+0x11f/0x180 [ 50.989063] ? __do_page_fault+0x4ef/0xa90 [ 50.993288] ? _raw_spin_unlock_irq+0x60/0x90 [ 50.997777] ? do_syscall_64+0x4c/0x5b0 [ 51.001960] ? __sys_sendmmsg+0x300/0x300 [ 51.006098] SyS_sendmmsg+0xd/0x20 [ 51.009631] do_syscall_64+0x1c7/0x5b0 [ 51.013518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.018348] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.023537] RIP: 0033:0x7f5313e3cee9 [ 51.027234] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 51.034936] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 51.042290] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 51.049969] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 51.057244] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 51.064492] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.097489] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 51.108809] CPU: 1 PID: 8315 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 51.116685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.126102] Call Trace: [ 51.128672] dump_stack+0x14b/0x1e7 [ 51.132365] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 51.137896] ccid3_hc_tx_update_x+0x353/0x630 [ 51.142397] ? ktime_get_with_offset+0x185/0x2b0 [ 51.147394] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 51.152143] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 51.157570] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 51.162566] dccp_deliver_input_to_ccids+0x19f/0x210 [ 51.167731] dccp_rcv_established+0x49/0x70 [ 51.172030] dccp_v4_do_rcv+0xfa/0x160 [ 51.175984] __release_sock+0x10e/0x2f0 [ 51.180116] release_sock+0x4f/0x180 [ 51.183822] dccp_sendmsg+0x4c1/0xc60 [ 51.189601] ? dccp_getsockopt+0xd0/0xd0 [ 51.193643] ? reacquire_held_locks+0xb7/0x3a0 [ 51.198852] ? release_sock+0x1b/0x180 [ 51.202721] inet_sendmsg+0x108/0x440 [ 51.206497] ? inet_recvmsg+0x640/0x640 [ 51.210445] sock_sendmsg+0xac/0xf0 [ 51.214047] SyS_sendto+0x1e4/0x2c0 [ 51.217663] ? SyS_getpeername+0x250/0x250 [ 51.222407] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.226812] ? release_sock+0x11f/0x180 [ 51.231301] ? inet_stream_connect+0x76/0xa0 [ 51.236413] ? SyS_accept+0x10/0x10 [ 51.241851] ? __do_page_fault+0x4ef/0xa90 [ 51.246348] ? _raw_spin_unlock_irq+0x60/0x90 [ 51.251187] ? do_syscall_64+0x4c/0x5b0 [ 51.255244] ? SyS_getpeername+0x250/0x250 [ 51.259814] do_syscall_64+0x1c7/0x5b0 [ 51.263765] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.269076] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.274244] RIP: 0033:0x7f5313e3cee9 [ 51.278127] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 51.286122] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f5313e3cee9 [ 51.293581] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 51.301505] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 51.308759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 51.316557] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.329547] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 51.340415] CPU: 0 PID: 8315 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 51.348450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.357882] Call Trace: [ 51.360549] dump_stack+0x14b/0x1e7 [ 51.364168] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 51.369685] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 51.374331] dccp_xmit_packet+0x226/0x620 [ 51.378455] dccp_write_xmit+0x125/0x180 [ 51.382489] dccp_sendmsg+0x577/0xc60 [ 51.386283] ? dccp_getsockopt+0xd0/0xd0 [ 51.390317] ? kasan_check_write+0x14/0x20 [ 51.394538] ? copy_msghdr_from_user+0x1fd/0x440 [ 51.399287] inet_sendmsg+0x108/0x440 [ 51.403079] ? inet_recvmsg+0x640/0x640 [ 51.407129] sock_sendmsg+0xac/0xf0 [ 51.410752] ___sys_sendmsg+0x282/0x920 [ 51.414708] ? release_sock+0x11f/0x180 [ 51.418763] ? copy_msghdr_from_user+0x440/0x440 [ 51.423513] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 51.428682] ? release_sock+0x11f/0x180 [ 51.432628] ? trace_hardirqs_on+0xd/0x10 [ 51.436840] ? __local_bh_enable_ip+0xcc/0x150 [ 51.441482] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.445880] ? release_sock+0x11f/0x180 [ 51.449844] ? dccp_getsockopt+0xd0/0xd0 [ 51.454170] ? reacquire_held_locks+0xb7/0x3a0 [ 51.458736] ? release_sock+0x1b/0x180 [ 51.462613] ? __fdget+0xe/0x10 [ 51.465875] ? sockfd_lookup_light+0x1c/0x160 [ 51.470452] __sys_sendmmsg+0x126/0x300 [ 51.474409] ? SyS_sendmsg+0x20/0x20 [ 51.478112] ? release_sock+0x11f/0x180 [ 51.482093] ? __do_page_fault+0x4ef/0xa90 [ 51.488404] ? _raw_spin_unlock_irq+0x60/0x90 [ 51.492884] ? do_syscall_64+0x4c/0x5b0 [ 51.496848] ? __sys_sendmmsg+0x300/0x300 [ 51.500974] SyS_sendmmsg+0xd/0x20 [ 51.504498] do_syscall_64+0x1c7/0x5b0 [ 51.508462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.513295] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.518457] RIP: 0033:0x7f5313e3cee9 [ 51.522227] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 51.529999] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 51.537264] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 51.544529] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 51.551778] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 51.559025] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.582511] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 51.593694] CPU: 0 PID: 8316 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 51.601564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.610890] Call Trace: [ 51.613456] dump_stack+0x14b/0x1e7 [ 51.617060] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 51.622571] ccid3_hc_tx_update_x+0x353/0x630 [ 51.627044] ? ktime_get_with_offset+0x185/0x2b0 [ 51.631780] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 51.636511] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 51.641955] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 51.647023] dccp_deliver_input_to_ccids+0x19f/0x210 [ 51.652119] dccp_rcv_established+0x49/0x70 [ 51.656430] dccp_v4_do_rcv+0xfa/0x160 [ 51.660313] __release_sock+0x10e/0x2f0 [ 51.664277] release_sock+0x4f/0x180 [ 51.667979] dccp_sendmsg+0x4c1/0xc60 [ 51.671760] ? dccp_getsockopt+0xd0/0xd0 [ 51.675806] ? reacquire_held_locks+0xb7/0x3a0 [ 51.680481] ? release_sock+0x1b/0x180 [ 51.684360] inet_sendmsg+0x108/0x440 [ 51.688165] ? inet_recvmsg+0x640/0x640 [ 51.692115] sock_sendmsg+0xac/0xf0 [ 51.695717] SyS_sendto+0x1e4/0x2c0 [ 51.699336] ? SyS_getpeername+0x250/0x250 [ 51.703708] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.708368] ? release_sock+0x11f/0x180 [ 51.712329] ? inet_stream_connect+0x76/0xa0 [ 51.716890] ? SyS_accept+0x10/0x10 [ 51.720513] ? __do_page_fault+0x4ef/0xa90 [ 51.724728] ? _raw_spin_unlock_irq+0x60/0x90 [ 51.729217] ? do_syscall_64+0x4c/0x5b0 [ 51.733272] ? SyS_getpeername+0x250/0x250 [ 51.737490] do_syscall_64+0x1c7/0x5b0 [ 51.741373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.746227] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.751413] RIP: 0033:0x7f5313e3cee9 [ 51.756350] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 51.764065] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5313e3cee9 [ 51.771437] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 51.779947] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 51.787206] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 51.794453] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 51.803551] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 51.814330] CPU: 0 PID: 8316 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 51.822200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.831544] Call Trace: [ 51.834215] dump_stack+0x14b/0x1e7 [ 51.837823] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 51.843354] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 51.847999] dccp_xmit_packet+0x226/0x620 [ 51.852155] dccp_write_xmit+0x125/0x180 [ 51.856208] dccp_sendmsg+0x577/0xc60 [ 51.859984] ? dccp_getsockopt+0xd0/0xd0 [ 51.864172] ? kasan_check_write+0x14/0x20 [ 51.868406] ? copy_msghdr_from_user+0x1fd/0x440 [ 51.873179] inet_sendmsg+0x108/0x440 [ 51.877210] ? inet_recvmsg+0x640/0x640 [ 51.881281] sock_sendmsg+0xac/0xf0 [ 51.884908] ___sys_sendmsg+0x282/0x920 [ 51.888861] ? release_sock+0x11f/0x180 [ 51.892836] ? copy_msghdr_from_user+0x440/0x440 [ 51.897573] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 51.902578] ? release_sock+0x11f/0x180 [ 51.906553] ? trace_hardirqs_on+0xd/0x10 [ 51.910804] ? __local_bh_enable_ip+0xcc/0x150 [ 51.915380] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.919766] ? release_sock+0x11f/0x180 [ 51.923722] ? dccp_getsockopt+0xd0/0xd0 [ 51.927764] ? reacquire_held_locks+0xb7/0x3a0 [ 51.932325] ? release_sock+0x1b/0x180 [ 51.936188] ? __fdget+0xe/0x10 [ 51.939455] ? sockfd_lookup_light+0x1c/0x160 [ 51.943970] __sys_sendmmsg+0x126/0x300 [ 51.947951] ? SyS_sendmsg+0x20/0x20 [ 51.951848] ? release_sock+0x11f/0x180 [ 51.955907] ? __do_page_fault+0x4ef/0xa90 [ 51.960260] ? _raw_spin_unlock_irq+0x60/0x90 [ 51.964744] ? do_syscall_64+0x4c/0x5b0 [ 51.968790] ? __sys_sendmmsg+0x300/0x300 [ 51.972920] SyS_sendmmsg+0xd/0x20 [ 51.976464] do_syscall_64+0x1c7/0x5b0 [ 51.980604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.985519] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.990812] RIP: 0033:0x7f5313e3cee9 [ 51.994514] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 52.002402] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 52.009735] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 52.017004] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 52.024499] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 52.031781] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.054499] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 52.065110] CPU: 0 PID: 8317 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 52.072988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.082327] Call Trace: [ 52.085052] dump_stack+0x14b/0x1e7 [ 52.088667] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 52.094188] ccid3_hc_tx_update_x+0x353/0x630 [ 52.098837] ? ktime_get_with_offset+0x185/0x2b0 [ 52.103584] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 52.108331] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 52.113771] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 52.118694] dccp_deliver_input_to_ccids+0x19f/0x210 [ 52.123820] dccp_rcv_established+0x49/0x70 [ 52.128144] dccp_v4_do_rcv+0xfa/0x160 [ 52.132104] __release_sock+0x10e/0x2f0 [ 52.136063] release_sock+0x4f/0x180 [ 52.139762] dccp_sendmsg+0x4c1/0xc60 [ 52.143540] ? dccp_getsockopt+0xd0/0xd0 [ 52.147579] ? reacquire_held_locks+0xb7/0x3a0 [ 52.152136] ? release_sock+0x1b/0x180 [ 52.156002] inet_sendmsg+0x108/0x440 [ 52.159966] ? inet_recvmsg+0x640/0x640 [ 52.164018] sock_sendmsg+0xac/0xf0 [ 52.167661] SyS_sendto+0x1e4/0x2c0 [ 52.171387] ? SyS_getpeername+0x250/0x250 [ 52.175616] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.180019] ? release_sock+0x11f/0x180 [ 52.183973] ? inet_stream_connect+0x76/0xa0 [ 52.188361] ? SyS_accept+0x10/0x10 [ 52.191970] ? __do_page_fault+0x4ef/0xa90 [ 52.196196] ? _raw_spin_unlock_irq+0x60/0x90 [ 52.200672] ? do_syscall_64+0x4c/0x5b0 [ 52.204626] ? SyS_getpeername+0x250/0x250 [ 52.208844] do_syscall_64+0x1c7/0x5b0 [ 52.212992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.217820] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.222990] RIP: 0033:0x7f5313e3cee9 [ 52.226675] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 52.234357] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f5313e3cee9 [ 52.241863] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 52.249202] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.256452] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 52.263707] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.273415] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 52.284167] CPU: 0 PID: 8317 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 52.292047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.301389] Call Trace: [ 52.303960] dump_stack+0x14b/0x1e7 [ 52.307568] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 52.313131] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 52.317949] dccp_xmit_packet+0x226/0x620 [ 52.322070] dccp_write_xmit+0x125/0x180 [ 52.326106] dccp_sendmsg+0x577/0xc60 [ 52.329898] ? dccp_getsockopt+0xd0/0xd0 [ 52.333946] ? kasan_check_write+0x14/0x20 [ 52.338170] ? copy_msghdr_from_user+0x1fd/0x440 [ 52.342917] inet_sendmsg+0x108/0x440 [ 52.346701] ? inet_recvmsg+0x640/0x640 [ 52.350661] sock_sendmsg+0xac/0xf0 [ 52.354278] ___sys_sendmsg+0x282/0x920 [ 52.358227] ? release_sock+0x11f/0x180 [ 52.362418] ? copy_msghdr_from_user+0x440/0x440 [ 52.367156] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 52.372424] ? release_sock+0x11f/0x180 [ 52.376373] ? trace_hardirqs_on+0xd/0x10 [ 52.380500] ? __local_bh_enable_ip+0xcc/0x150 [ 52.385059] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.389556] ? release_sock+0x11f/0x180 [ 52.393508] ? dccp_getsockopt+0xd0/0xd0 [ 52.397565] ? reacquire_held_locks+0xb7/0x3a0 [ 52.402123] ? release_sock+0x1b/0x180 [ 52.405988] ? __fdget+0xe/0x10 [ 52.409339] ? sockfd_lookup_light+0x1c/0x160 [ 52.413839] __sys_sendmmsg+0x126/0x300 [ 52.417807] ? SyS_sendmsg+0x20/0x20 [ 52.421512] ? release_sock+0x11f/0x180 [ 52.425484] ? __do_page_fault+0x4ef/0xa90 [ 52.429719] ? _raw_spin_unlock_irq+0x60/0x90 [ 52.434190] ? do_syscall_64+0x4c/0x5b0 [ 52.438140] ? __sys_sendmmsg+0x300/0x300 [ 52.442271] SyS_sendmmsg+0xd/0x20 [ 52.445816] do_syscall_64+0x1c7/0x5b0 [ 52.449675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.454602] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.459774] RIP: 0033:0x7f5313e3cee9 [ 52.463467] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 52.471154] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 52.479183] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 52.486427] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 52.493853] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 52.501117] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.530512] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 52.541326] CPU: 0 PID: 8319 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 52.549200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.558532] Call Trace: [ 52.561107] dump_stack+0x14b/0x1e7 [ 52.564717] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 52.570238] ccid3_hc_tx_update_x+0x353/0x630 [ 52.574718] ? ktime_get_with_offset+0x185/0x2b0 [ 52.579480] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 52.584222] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 52.589667] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 52.594688] dccp_deliver_input_to_ccids+0x19f/0x210 [ 52.599806] dccp_rcv_established+0x49/0x70 [ 52.604122] dccp_v4_do_rcv+0xfa/0x160 [ 52.607995] __release_sock+0x10e/0x2f0 [ 52.611952] release_sock+0x4f/0x180 [ 52.615656] dccp_sendmsg+0x4c1/0xc60 [ 52.619529] ? dccp_getsockopt+0xd0/0xd0 [ 52.623579] ? reacquire_held_locks+0xb7/0x3a0 [ 52.628284] ? release_sock+0x1b/0x180 [ 52.632161] inet_sendmsg+0x108/0x440 [ 52.636052] ? inet_recvmsg+0x640/0x640 [ 52.640011] sock_sendmsg+0xac/0xf0 [ 52.643699] SyS_sendto+0x1e4/0x2c0 [ 52.647313] ? SyS_getpeername+0x250/0x250 [ 52.651538] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.655941] ? release_sock+0x11f/0x180 [ 52.661806] ? inet_stream_connect+0x76/0xa0 [ 52.667069] ? SyS_accept+0x10/0x10 [ 52.670849] ? __do_page_fault+0x4ef/0xa90 [ 52.675091] ? _raw_spin_unlock_irq+0x60/0x90 [ 52.679572] ? do_syscall_64+0x4c/0x5b0 [ 52.683526] ? SyS_getpeername+0x250/0x250 [ 52.687756] do_syscall_64+0x1c7/0x5b0 [ 52.691616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.696475] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.701660] RIP: 0033:0x7f5313e3cee9 [ 52.705349] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 52.713034] RAX: ffffffffffffffda RBX: 000000000000001d RCX: 00007f5313e3cee9 [ 52.720417] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 52.727688] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.734960] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 52.742217] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.754254] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 52.764899] CPU: 0 PID: 8319 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 52.772781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.782116] Call Trace: [ 52.784799] dump_stack+0x14b/0x1e7 [ 52.788646] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 52.794299] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 52.798949] dccp_xmit_packet+0x226/0x620 [ 52.803079] dccp_write_xmit+0x125/0x180 [ 52.807225] dccp_sendmsg+0x577/0xc60 [ 52.811239] ? dccp_getsockopt+0xd0/0xd0 [ 52.815278] ? kasan_check_write+0x14/0x20 [ 52.819599] ? copy_msghdr_from_user+0x1fd/0x440 [ 52.824428] inet_sendmsg+0x108/0x440 [ 52.828207] ? inet_recvmsg+0x640/0x640 [ 52.832170] sock_sendmsg+0xac/0xf0 [ 52.835774] ___sys_sendmsg+0x282/0x920 [ 52.839738] ? release_sock+0x11f/0x180 [ 52.843694] ? copy_msghdr_from_user+0x440/0x440 [ 52.848555] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 52.853997] ? release_sock+0x11f/0x180 [ 52.857965] ? trace_hardirqs_on+0xd/0x10 [ 52.862106] ? __local_bh_enable_ip+0xcc/0x150 [ 52.866741] ? _raw_spin_unlock_bh+0x30/0x40 [ 52.871139] ? release_sock+0x11f/0x180 [ 52.875226] ? dccp_getsockopt+0xd0/0xd0 [ 52.879274] ? reacquire_held_locks+0xb7/0x3a0 [ 52.883852] ? release_sock+0x1b/0x180 [ 52.887719] ? __fdget+0xe/0x10 [ 52.890975] ? sockfd_lookup_light+0x1c/0x160 [ 52.895446] __sys_sendmmsg+0x126/0x300 [ 52.899470] ? SyS_sendmsg+0x20/0x20 [ 52.903173] ? release_sock+0x11f/0x180 [ 52.907246] ? __do_page_fault+0x4ef/0xa90 [ 52.911468] ? _raw_spin_unlock_irq+0x60/0x90 [ 52.915961] ? do_syscall_64+0x4c/0x5b0 [ 52.920051] ? __sys_sendmmsg+0x300/0x300 [ 52.924191] SyS_sendmmsg+0xd/0x20 [ 52.927728] do_syscall_64+0x1c7/0x5b0 [ 52.931591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.936417] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 52.941829] RIP: 0033:0x7f5313e3cee9 [ 52.945519] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 52.953203] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 52.960462] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 52.967706] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 52.975062] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 52.982414] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.004673] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 53.015428] CPU: 0 PID: 8320 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 53.023319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.032668] Call Trace: [ 53.035349] dump_stack+0x14b/0x1e7 [ 53.038951] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 53.044472] ccid3_hc_tx_update_x+0x353/0x630 [ 53.049029] ? ktime_get_with_offset+0x185/0x2b0 [ 53.053787] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 53.058531] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 53.064919] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 53.070050] dccp_deliver_input_to_ccids+0x19f/0x210 [ 53.075263] dccp_rcv_established+0x49/0x70 [ 53.079595] dccp_v4_do_rcv+0xfa/0x160 [ 53.083463] __release_sock+0x10e/0x2f0 [ 53.088651] release_sock+0x4f/0x180 [ 53.092445] dccp_sendmsg+0x4c1/0xc60 [ 53.096245] ? dccp_getsockopt+0xd0/0xd0 [ 53.100304] ? reacquire_held_locks+0xb7/0x3a0 [ 53.104866] ? release_sock+0x1b/0x180 [ 53.108750] inet_sendmsg+0x108/0x440 [ 53.112534] ? inet_recvmsg+0x640/0x640 [ 53.116491] sock_sendmsg+0xac/0xf0 [ 53.120108] SyS_sendto+0x1e4/0x2c0 [ 53.123715] ? SyS_getpeername+0x250/0x250 [ 53.127931] ? _raw_spin_unlock_bh+0x30/0x40 [ 53.132329] ? release_sock+0x11f/0x180 [ 53.136282] ? inet_stream_connect+0x76/0xa0 [ 53.140668] ? SyS_accept+0x10/0x10 [ 53.144271] ? __do_page_fault+0x4ef/0xa90 [ 53.148476] ? _raw_spin_unlock_irq+0x60/0x90 [ 53.152952] ? do_syscall_64+0x4c/0x5b0 [ 53.156918] ? SyS_getpeername+0x250/0x250 [ 53.161135] do_syscall_64+0x1c7/0x5b0 [ 53.164996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.169823] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.174983] RIP: 0033:0x7f5313e3cee9 [ 53.178666] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 53.186349] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5313e3cee9 [ 53.193609] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 53.200952] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 53.208720] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 53.216141] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.225563] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 53.236235] CPU: 0 PID: 8320 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 53.244127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.253493] Call Trace: [ 53.256068] dump_stack+0x14b/0x1e7 [ 53.259674] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 53.265193] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 53.270298] dccp_xmit_packet+0x226/0x620 [ 53.274431] dccp_write_xmit+0x125/0x180 [ 53.278494] dccp_sendmsg+0x577/0xc60 [ 53.282290] ? dccp_getsockopt+0xd0/0xd0 [ 53.286345] ? kasan_check_write+0x14/0x20 [ 53.290565] ? copy_msghdr_from_user+0x1fd/0x440 [ 53.295397] inet_sendmsg+0x108/0x440 [ 53.299292] ? inet_recvmsg+0x640/0x640 [ 53.303253] sock_sendmsg+0xac/0xf0 [ 53.306866] ___sys_sendmsg+0x282/0x920 [ 53.310824] ? release_sock+0x11f/0x180 [ 53.314779] ? copy_msghdr_from_user+0x440/0x440 [ 53.319597] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 53.324629] ? release_sock+0x11f/0x180 [ 53.328679] ? trace_hardirqs_on+0xd/0x10 [ 53.332806] ? __local_bh_enable_ip+0xcc/0x150 [ 53.337380] ? _raw_spin_unlock_bh+0x30/0x40 [ 53.341852] ? release_sock+0x11f/0x180 [ 53.345809] ? dccp_getsockopt+0xd0/0xd0 [ 53.350003] ? reacquire_held_locks+0xb7/0x3a0 [ 53.354906] ? release_sock+0x1b/0x180 [ 53.359149] ? __fdget+0xe/0x10 [ 53.362415] ? sockfd_lookup_light+0x1c/0x160 [ 53.367284] __sys_sendmmsg+0x126/0x300 [ 53.371244] ? SyS_sendmsg+0x20/0x20 [ 53.374939] ? release_sock+0x11f/0x180 [ 53.378908] ? __do_page_fault+0x4ef/0xa90 [ 53.383123] ? _raw_spin_unlock_irq+0x60/0x90 [ 53.387598] ? do_syscall_64+0x4c/0x5b0 [ 53.391563] ? __sys_sendmmsg+0x300/0x300 [ 53.395688] SyS_sendmmsg+0xd/0x20 [ 53.399541] do_syscall_64+0x1c7/0x5b0 [ 53.403428] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.408399] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.413673] RIP: 0033:0x7f5313e3cee9 [ 53.417372] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 53.425065] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 53.432327] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 53.440109] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 53.447895] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 53.455183] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.485489] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 53.496885] CPU: 1 PID: 8322 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 53.504893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.514277] Call Trace: [ 53.516992] dump_stack+0x14b/0x1e7 [ 53.520781] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 53.526326] ccid3_hc_tx_update_x+0x353/0x630 [ 53.530803] ? ktime_get_with_offset+0x185/0x2b0 [ 53.535553] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 53.540288] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 53.545987] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 53.551001] dccp_deliver_input_to_ccids+0x19f/0x210 [ 53.556095] dccp_rcv_established+0x49/0x70 [ 53.560479] dccp_v4_do_rcv+0xfa/0x160 [ 53.564342] __release_sock+0x10e/0x2f0 [ 53.568305] release_sock+0x4f/0x180 [ 53.571993] dccp_sendmsg+0x4c1/0xc60 [ 53.575774] ? dccp_getsockopt+0xd0/0xd0 [ 53.579819] ? reacquire_held_locks+0xb7/0x3a0 [ 53.584389] ? release_sock+0x1b/0x180 [ 53.588274] inet_sendmsg+0x108/0x440 [ 53.592050] ? inet_recvmsg+0x640/0x640 [ 53.596028] sock_sendmsg+0xac/0xf0 [ 53.599629] SyS_sendto+0x1e4/0x2c0 [ 53.603249] ? SyS_getpeername+0x250/0x250 [ 53.607567] ? _raw_spin_unlock_bh+0x30/0x40 [ 53.611950] ? release_sock+0x11f/0x180 [ 53.615899] ? inet_stream_connect+0x76/0xa0 [ 53.620345] ? SyS_accept+0x10/0x10 [ 53.623972] ? __do_page_fault+0x4ef/0xa90 [ 53.628213] ? _raw_spin_unlock_irq+0x60/0x90 [ 53.632691] ? do_syscall_64+0x4c/0x5b0 [ 53.636753] ? SyS_getpeername+0x250/0x250 [ 53.641059] do_syscall_64+0x1c7/0x5b0 [ 53.644942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.649764] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.655027] RIP: 0033:0x7f5313e3cee9 [ 53.658723] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 53.666421] RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f5313e3cee9 [ 53.673668] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 53.680911] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 53.688158] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 53.695415] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.725841] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 53.737122] CPU: 1 PID: 8324 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 53.745084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.754520] Call Trace: [ 53.757090] dump_stack+0x14b/0x1e7 [ 53.760696] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 53.766216] ccid3_hc_tx_update_x+0x353/0x630 [ 53.770693] ? ktime_get_with_offset+0x185/0x2b0 [ 53.775444] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 53.780196] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 53.786852] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 53.791795] dccp_deliver_input_to_ccids+0x19f/0x210 [ 53.796894] dccp_rcv_established+0x49/0x70 [ 53.801322] dccp_v4_do_rcv+0xfa/0x160 [ 53.805195] __release_sock+0x10e/0x2f0 [ 53.809149] release_sock+0x4f/0x180 [ 53.812859] dccp_sendmsg+0x4c1/0xc60 [ 53.816655] ? dccp_getsockopt+0xd0/0xd0 [ 53.820835] ? reacquire_held_locks+0xb7/0x3a0 [ 53.825523] ? release_sock+0x1b/0x180 [ 53.829530] inet_sendmsg+0x108/0x440 [ 53.833317] ? inet_recvmsg+0x640/0x640 [ 53.837270] sock_sendmsg+0xac/0xf0 [ 53.840873] SyS_sendto+0x1e4/0x2c0 [ 53.844472] ? SyS_getpeername+0x250/0x250 [ 53.848681] ? _raw_spin_unlock_bh+0x30/0x40 [ 53.853064] ? release_sock+0x11f/0x180 [ 53.857036] ? inet_stream_connect+0x76/0xa0 [ 53.861510] ? SyS_accept+0x10/0x10 [ 53.865348] ? __do_page_fault+0x4ef/0xa90 [ 53.869572] ? _raw_spin_unlock_irq+0x60/0x90 [ 53.874059] ? do_syscall_64+0x4c/0x5b0 [ 53.878016] ? SyS_getpeername+0x250/0x250 [ 53.882244] do_syscall_64+0x1c7/0x5b0 [ 53.886112] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.890936] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 53.896119] RIP: 0033:0x7f5313e3cee9 [ 53.899804] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 53.908142] RAX: ffffffffffffffda RBX: 000000000000001b RCX: 00007f5313e3cee9 [ 53.915611] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 53.922880] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 53.930138] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 53.937517] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 53.949698] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 53.960369] CPU: 1 PID: 8324 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 53.968259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.977743] Call Trace: [ 53.980310] dump_stack+0x14b/0x1e7 [ 53.983947] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 53.989467] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 53.994119] dccp_xmit_packet+0x226/0x620 [ 53.998253] dccp_write_xmit+0x125/0x180 [ 54.002304] dccp_sendmsg+0x577/0xc60 [ 54.006082] ? dccp_getsockopt+0xd0/0xd0 [ 54.010120] ? kasan_check_write+0x14/0x20 [ 54.014338] ? copy_msghdr_from_user+0x1fd/0x440 [ 54.019074] inet_sendmsg+0x108/0x440 [ 54.022849] ? inet_recvmsg+0x640/0x640 [ 54.026811] sock_sendmsg+0xac/0xf0 [ 54.030429] ___sys_sendmsg+0x282/0x920 [ 54.034411] ? release_sock+0x11f/0x180 [ 54.038361] ? copy_msghdr_from_user+0x440/0x440 [ 54.043092] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 54.048083] ? release_sock+0x11f/0x180 [ 54.052043] ? trace_hardirqs_on+0xd/0x10 [ 54.056179] ? __local_bh_enable_ip+0xcc/0x150 [ 54.060736] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.065134] ? release_sock+0x11f/0x180 [ 54.069089] ? dccp_getsockopt+0xd0/0xd0 [ 54.073218] ? reacquire_held_locks+0xb7/0x3a0 [ 54.077774] ? release_sock+0x1b/0x180 [ 54.081738] ? __fdget+0xe/0x10 [ 54.085001] ? sockfd_lookup_light+0x1c/0x160 [ 54.089482] __sys_sendmmsg+0x126/0x300 [ 54.093431] ? SyS_sendmsg+0x20/0x20 [ 54.097136] ? release_sock+0x11f/0x180 [ 54.101172] ? __do_page_fault+0x4ef/0xa90 [ 54.105494] ? _raw_spin_unlock_irq+0x60/0x90 [ 54.110316] ? do_syscall_64+0x4c/0x5b0 [ 54.114270] ? __sys_sendmmsg+0x300/0x300 [ 54.118416] SyS_sendmmsg+0xd/0x20 [ 54.122045] do_syscall_64+0x1c7/0x5b0 [ 54.125992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.130875] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.136502] RIP: 0033:0x7f5313e3cee9 [ 54.140736] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 54.148522] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 54.155776] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 54.163035] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 54.170467] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 54.177975] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.200587] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 54.211602] CPU: 1 PID: 8325 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 54.219481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.229719] Call Trace: [ 54.232387] dump_stack+0x14b/0x1e7 [ 54.236000] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 54.241515] ccid3_hc_tx_update_x+0x353/0x630 [ 54.245999] ? ktime_get_with_offset+0x185/0x2b0 [ 54.250879] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 54.255798] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 54.261238] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 54.266261] dccp_deliver_input_to_ccids+0x19f/0x210 [ 54.271340] dccp_rcv_established+0x49/0x70 [ 54.275807] dccp_v4_do_rcv+0xfa/0x160 [ 54.279679] __release_sock+0x10e/0x2f0 [ 54.283637] release_sock+0x4f/0x180 [ 54.287341] dccp_sendmsg+0x4c1/0xc60 [ 54.291140] ? dccp_getsockopt+0xd0/0xd0 [ 54.295244] ? reacquire_held_locks+0xb7/0x3a0 [ 54.299816] ? release_sock+0x1b/0x180 [ 54.303908] inet_sendmsg+0x108/0x440 [ 54.307701] ? inet_recvmsg+0x640/0x640 [ 54.311661] sock_sendmsg+0xac/0xf0 [ 54.315362] SyS_sendto+0x1e4/0x2c0 [ 54.319070] ? SyS_getpeername+0x250/0x250 [ 54.323296] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.328099] ? release_sock+0x11f/0x180 [ 54.332215] ? inet_stream_connect+0x76/0xa0 [ 54.336620] ? SyS_accept+0x10/0x10 [ 54.340457] ? __do_page_fault+0x4ef/0xa90 [ 54.344811] ? _raw_spin_unlock_irq+0x60/0x90 [ 54.349314] ? do_syscall_64+0x4c/0x5b0 [ 54.353266] ? SyS_getpeername+0x250/0x250 [ 54.357548] do_syscall_64+0x1c7/0x5b0 [ 54.361448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.366380] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.371675] RIP: 0033:0x7f5313e3cee9 [ 54.375498] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 54.383190] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f5313e3cee9 [ 54.390814] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 54.398066] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 54.405546] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 54.413148] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.422850] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 54.433443] CPU: 1 PID: 8325 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 54.441400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.450747] Call Trace: [ 54.453327] dump_stack+0x14b/0x1e7 [ 54.457165] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 54.463077] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 54.467741] dccp_xmit_packet+0x226/0x620 [ 54.471889] dccp_write_xmit+0x125/0x180 [ 54.475932] dccp_sendmsg+0x577/0xc60 [ 54.479857] ? dccp_getsockopt+0xd0/0xd0 [ 54.484104] ? kasan_check_write+0x14/0x20 [ 54.488330] ? copy_msghdr_from_user+0x1fd/0x440 [ 54.493084] inet_sendmsg+0x108/0x440 [ 54.496872] ? inet_recvmsg+0x640/0x640 [ 54.500846] sock_sendmsg+0xac/0xf0 [ 54.504468] ___sys_sendmsg+0x282/0x920 [ 54.508518] ? release_sock+0x11f/0x180 [ 54.512553] ? copy_msghdr_from_user+0x440/0x440 [ 54.517285] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 54.522389] ? release_sock+0x11f/0x180 [ 54.526489] ? trace_hardirqs_on+0xd/0x10 [ 54.531038] ? __local_bh_enable_ip+0xcc/0x150 [ 54.535627] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.540189] ? release_sock+0x11f/0x180 [ 54.544165] ? dccp_getsockopt+0xd0/0xd0 [ 54.548419] ? reacquire_held_locks+0xb7/0x3a0 [ 54.553125] ? release_sock+0x1b/0x180 [ 54.557028] ? __fdget+0xe/0x10 [ 54.560301] ? sockfd_lookup_light+0x1c/0x160 [ 54.564783] __sys_sendmmsg+0x126/0x300 [ 54.568765] ? SyS_sendmsg+0x20/0x20 [ 54.572476] ? release_sock+0x11f/0x180 [ 54.576476] ? __do_page_fault+0x4ef/0xa90 [ 54.580900] ? _raw_spin_unlock_irq+0x60/0x90 [ 54.585412] ? do_syscall_64+0x4c/0x5b0 [ 54.589377] ? __sys_sendmmsg+0x300/0x300 [ 54.593638] SyS_sendmmsg+0xd/0x20 [ 54.597162] do_syscall_64+0x1c7/0x5b0 [ 54.601032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.605901] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.611072] RIP: 0033:0x7f5313e3cee9 [ 54.614879] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 54.622727] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 54.629983] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 54.637407] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 54.644691] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 54.651948] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.673269] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 54.683845] CPU: 1 PID: 8326 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 54.691708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.701050] Call Trace: [ 54.703620] dump_stack+0x14b/0x1e7 [ 54.707233] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 54.713108] ccid3_hc_tx_update_x+0x353/0x630 [ 54.717601] ? ktime_get_with_offset+0x185/0x2b0 [ 54.722340] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 54.727083] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 54.732510] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 54.737433] dccp_deliver_input_to_ccids+0x19f/0x210 [ 54.742538] dccp_rcv_established+0x49/0x70 [ 54.746940] dccp_v4_do_rcv+0xfa/0x160 [ 54.750806] __release_sock+0x10e/0x2f0 [ 54.754770] release_sock+0x4f/0x180 [ 54.758473] dccp_sendmsg+0x4c1/0xc60 [ 54.762259] ? dccp_getsockopt+0xd0/0xd0 [ 54.766301] ? reacquire_held_locks+0xb7/0x3a0 [ 54.770885] ? release_sock+0x1b/0x180 [ 54.774771] inet_sendmsg+0x108/0x440 [ 54.778553] ? inet_recvmsg+0x640/0x640 [ 54.782508] sock_sendmsg+0xac/0xf0 [ 54.786114] SyS_sendto+0x1e4/0x2c0 [ 54.789732] ? SyS_getpeername+0x250/0x250 [ 54.794148] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.798548] ? release_sock+0x11f/0x180 [ 54.802523] ? inet_stream_connect+0x76/0xa0 [ 54.807000] ? SyS_accept+0x10/0x10 [ 54.810620] ? __do_page_fault+0x4ef/0xa90 [ 54.814833] ? _raw_spin_unlock_irq+0x60/0x90 [ 54.819401] ? do_syscall_64+0x4c/0x5b0 [ 54.823373] ? SyS_getpeername+0x250/0x250 [ 54.827600] do_syscall_64+0x1c7/0x5b0 [ 54.831475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.836385] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 54.841575] RIP: 0033:0x7f5313e3cee9 [ 54.845372] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 54.853065] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5313e3cee9 [ 54.860435] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 54.867688] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 54.875242] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 54.882594] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 54.891965] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 54.903147] CPU: 1 PID: 8326 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 54.911571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.920995] Call Trace: [ 54.923670] dump_stack+0x14b/0x1e7 [ 54.927290] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 54.932813] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 54.937729] dccp_xmit_packet+0x226/0x620 [ 54.941876] dccp_write_xmit+0x125/0x180 [ 54.945950] dccp_sendmsg+0x577/0xc60 [ 54.949738] ? dccp_getsockopt+0xd0/0xd0 [ 54.953782] ? kasan_check_write+0x14/0x20 [ 54.958100] ? copy_msghdr_from_user+0x1fd/0x440 [ 54.963281] inet_sendmsg+0x108/0x440 [ 54.967078] ? inet_recvmsg+0x640/0x640 [ 54.971040] sock_sendmsg+0xac/0xf0 [ 54.974837] ___sys_sendmsg+0x282/0x920 [ 54.979412] ? release_sock+0x11f/0x180 [ 54.983457] ? copy_msghdr_from_user+0x440/0x440 [ 54.988289] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 54.993490] ? release_sock+0x11f/0x180 [ 54.997572] ? trace_hardirqs_on+0xd/0x10 [ 55.001756] ? __local_bh_enable_ip+0xcc/0x150 [ 55.006376] ? _raw_spin_unlock_bh+0x30/0x40 [ 55.010782] ? release_sock+0x11f/0x180 [ 55.014739] ? dccp_getsockopt+0xd0/0xd0 [ 55.018802] ? reacquire_held_locks+0xb7/0x3a0 [ 55.023448] ? release_sock+0x1b/0x180 [ 55.027316] ? __fdget+0xe/0x10 [ 55.030813] ? sockfd_lookup_light+0x1c/0x160 [ 55.035299] __sys_sendmmsg+0x126/0x300 [ 55.039257] ? SyS_sendmsg+0x20/0x20 [ 55.042965] ? release_sock+0x11f/0x180 [ 55.047036] ? __do_page_fault+0x4ef/0xa90 [ 55.051412] ? _raw_spin_unlock_irq+0x60/0x90 [ 55.056025] ? do_syscall_64+0x4c/0x5b0 [ 55.059988] ? __sys_sendmmsg+0x300/0x300 [ 55.064115] SyS_sendmmsg+0xd/0x20 [ 55.067638] do_syscall_64+0x1c7/0x5b0 [ 55.071501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.076346] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.081610] RIP: 0033:0x7f5313e3cee9 [ 55.085305] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 55.093006] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 55.100251] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 55.107493] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 55.114742] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 55.121993] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.129730] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 55.140266] CPU: 1 PID: 8326 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 55.148150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.157861] Call Trace: [ 55.160446] dump_stack+0x14b/0x1e7 [ 55.164184] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 55.169855] ccid3_hc_tx_update_x+0x353/0x630 [ 55.174341] ? ktime_get_with_offset+0x185/0x2b0 [ 55.179099] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 55.183854] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 55.189294] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 55.194214] dccp_deliver_input_to_ccids+0x19f/0x210 [ 55.199309] dccp_rcv_established+0x49/0x70 [ 55.203711] dccp_v4_do_rcv+0xfa/0x160 [ 55.207583] __release_sock+0x10e/0x2f0 [ 55.211706] release_sock+0x4f/0x180 [ 55.215513] dccp_sendmsg+0x4c1/0xc60 [ 55.219356] ? dccp_getsockopt+0xd0/0xd0 [ 55.223606] ? kasan_check_write+0x14/0x20 [ 55.227825] ? copy_msghdr_from_user+0x1fd/0x440 [ 55.232638] inet_sendmsg+0x108/0x440 [ 55.236429] ? inet_recvmsg+0x640/0x640 [ 55.240394] sock_sendmsg+0xac/0xf0 [ 55.244014] ___sys_sendmsg+0x282/0x920 [ 55.247975] ? release_sock+0x11f/0x180 [ 55.251945] ? copy_msghdr_from_user+0x440/0x440 [ 55.256689] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 55.261689] ? release_sock+0x11f/0x180 [ 55.265651] ? trace_hardirqs_on+0xd/0x10 [ 55.269778] ? __local_bh_enable_ip+0xcc/0x150 [ 55.274356] ? _raw_spin_unlock_bh+0x30/0x40 [ 55.278757] ? release_sock+0x11f/0x180 [ 55.282865] ? dccp_getsockopt+0xd0/0xd0 [ 55.286925] ? reacquire_held_locks+0xb7/0x3a0 [ 55.291507] ? release_sock+0x1b/0x180 [ 55.295379] ? __fdget+0xe/0x10 [ 55.298648] ? sockfd_lookup_light+0x1c/0x160 [ 55.303696] __sys_sendmmsg+0x126/0x300 [ 55.307653] ? SyS_sendmsg+0x20/0x20 [ 55.311532] ? release_sock+0x11f/0x180 [ 55.315614] ? __do_page_fault+0x4ef/0xa90 [ 55.319887] ? _raw_spin_unlock_irq+0x60/0x90 [ 55.324455] ? do_syscall_64+0x4c/0x5b0 [ 55.328416] ? __sys_sendmmsg+0x300/0x300 [ 55.332548] SyS_sendmmsg+0xd/0x20 [ 55.336085] do_syscall_64+0x1c7/0x5b0 [ 55.340042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.344963] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.350144] RIP: 0033:0x7f5313e3cee9 [ 55.353888] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 55.361605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 55.368857] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 55.376106] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 55.383353] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 55.390605] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.420243] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 55.431707] CPU: 0 PID: 8328 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 55.439681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.449023] Call Trace: [ 55.451644] dump_stack+0x14b/0x1e7 [ 55.455264] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 55.460794] ccid3_hc_tx_update_x+0x353/0x630 [ 55.465405] ? ktime_get_with_offset+0x185/0x2b0 [ 55.470152] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 55.475242] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 55.480918] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 55.485868] dccp_deliver_input_to_ccids+0x19f/0x210 [ 55.491073] dccp_rcv_established+0x49/0x70 [ 55.495381] dccp_v4_do_rcv+0xfa/0x160 [ 55.499350] __release_sock+0x10e/0x2f0 [ 55.503304] release_sock+0x4f/0x180 [ 55.506995] dccp_sendmsg+0x4c1/0xc60 [ 55.510873] ? dccp_getsockopt+0xd0/0xd0 [ 55.514911] ? reacquire_held_locks+0xb7/0x3a0 [ 55.519469] ? release_sock+0x1b/0x180 [ 55.523479] inet_sendmsg+0x108/0x440 [ 55.527467] ? inet_recvmsg+0x640/0x640 [ 55.531437] sock_sendmsg+0xac/0xf0 [ 55.535176] SyS_sendto+0x1e4/0x2c0 [ 55.538887] ? SyS_getpeername+0x250/0x250 [ 55.543158] ? _raw_spin_unlock_bh+0x30/0x40 [ 55.547725] ? release_sock+0x11f/0x180 [ 55.551856] ? inet_stream_connect+0x76/0xa0 [ 55.556346] ? SyS_accept+0x10/0x10 [ 55.560009] ? __do_page_fault+0x4ef/0xa90 [ 55.564243] ? _raw_spin_unlock_irq+0x60/0x90 [ 55.568746] ? do_syscall_64+0x4c/0x5b0 [ 55.572822] ? SyS_getpeername+0x250/0x250 [ 55.577079] do_syscall_64+0x1c7/0x5b0 [ 55.580950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.585786] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.590987] RIP: 0033:0x7f5313e3cee9 [ 55.594699] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 55.602689] RAX: ffffffffffffffda RBX: 000000000000001b RCX: 00007f5313e3cee9 [ 55.610207] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 55.617468] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.624828] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 55.632082] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.647083] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 55.658015] CPU: 1 PID: 8328 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 55.666080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.675546] Call Trace: [ 55.678126] dump_stack+0x14b/0x1e7 [ 55.682069] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 55.687618] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 55.692283] dccp_xmit_packet+0x226/0x620 [ 55.696693] dccp_write_xmit+0x125/0x180 [ 55.700886] dccp_sendmsg+0x577/0xc60 [ 55.704674] ? dccp_getsockopt+0xd0/0xd0 [ 55.708712] ? kasan_check_write+0x14/0x20 [ 55.712922] ? copy_msghdr_from_user+0x1fd/0x440 [ 55.717691] inet_sendmsg+0x108/0x440 [ 55.721476] ? inet_recvmsg+0x640/0x640 [ 55.725433] sock_sendmsg+0xac/0xf0 [ 55.729036] ___sys_sendmsg+0x282/0x920 [ 55.733039] ? release_sock+0x11f/0x180 [ 55.737021] ? copy_msghdr_from_user+0x440/0x440 [ 55.741804] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 55.746947] ? release_sock+0x11f/0x180 [ 55.750923] ? trace_hardirqs_on+0xd/0x10 [ 55.755204] ? __local_bh_enable_ip+0xcc/0x150 [ 55.759784] ? _raw_spin_unlock_bh+0x30/0x40 [ 55.764175] ? release_sock+0x11f/0x180 [ 55.768131] ? dccp_getsockopt+0xd0/0xd0 [ 55.772173] ? reacquire_held_locks+0xb7/0x3a0 [ 55.776881] ? release_sock+0x1b/0x180 [ 55.780837] ? __fdget+0xe/0x10 [ 55.784100] ? sockfd_lookup_light+0x1c/0x160 [ 55.788663] __sys_sendmmsg+0x126/0x300 [ 55.792617] ? SyS_sendmsg+0x20/0x20 [ 55.796307] ? release_sock+0x11f/0x180 [ 55.800355] ? __do_page_fault+0x4ef/0xa90 [ 55.804575] ? _raw_spin_unlock_irq+0x60/0x90 [ 55.809064] ? do_syscall_64+0x4c/0x5b0 [ 55.813033] ? __sys_sendmmsg+0x300/0x300 [ 55.817173] SyS_sendmmsg+0xd/0x20 [ 55.820695] do_syscall_64+0x1c7/0x5b0 [ 55.824598] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.829427] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 55.834603] RIP: 0033:0x7f5313e3cee9 [ 55.838299] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 55.846088] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 55.853332] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 55.860575] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 55.867872] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 55.875216] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 55.898876] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 55.909561] CPU: 1 PID: 8329 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 55.917615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.927219] Call Trace: [ 55.929793] dump_stack+0x14b/0x1e7 [ 55.933479] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 55.939181] ccid3_hc_tx_update_x+0x353/0x630 [ 55.943666] ? ktime_get_with_offset+0x185/0x2b0 [ 55.948540] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 55.953281] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 55.958710] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 55.963750] dccp_deliver_input_to_ccids+0x19f/0x210 [ 55.968840] dccp_rcv_established+0x49/0x70 [ 55.973257] dccp_v4_do_rcv+0xfa/0x160 [ 55.977128] __release_sock+0x10e/0x2f0 [ 55.981353] release_sock+0x4f/0x180 [ 55.985075] dccp_sendmsg+0x4c1/0xc60 [ 55.988932] ? dccp_getsockopt+0xd0/0xd0 [ 55.992979] ? reacquire_held_locks+0xb7/0x3a0 [ 55.997545] ? release_sock+0x1b/0x180 [ 56.001417] inet_sendmsg+0x108/0x440 [ 56.005198] ? inet_recvmsg+0x640/0x640 [ 56.009149] sock_sendmsg+0xac/0xf0 [ 56.012751] SyS_sendto+0x1e4/0x2c0 [ 56.016352] ? SyS_getpeername+0x250/0x250 [ 56.020562] ? _raw_spin_unlock_bh+0x30/0x40 [ 56.024944] ? release_sock+0x11f/0x180 [ 56.028893] ? inet_stream_connect+0x76/0xa0 [ 56.033289] ? SyS_accept+0x10/0x10 [ 56.036899] ? __do_page_fault+0x4ef/0xa90 [ 56.041153] ? _raw_spin_unlock_irq+0x60/0x90 [ 56.045739] ? do_syscall_64+0x4c/0x5b0 [ 56.049760] ? SyS_getpeername+0x250/0x250 [ 56.053979] do_syscall_64+0x1c7/0x5b0 [ 56.057843] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.062721] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.068688] RIP: 0033:0x7f5313e3cee9 [ 56.072382] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 56.080108] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5313e3cee9 [ 56.087396] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 56.094656] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.101913] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 56.109175] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 56.118368] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 56.129100] CPU: 1 PID: 8329 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 56.137149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.146499] Call Trace: [ 56.149075] dump_stack+0x14b/0x1e7 [ 56.152682] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 56.158221] ccid3_hc_tx_packet_sent+0xe5/0x110 [ 56.162881] dccp_xmit_packet+0x226/0x620 [ 56.167018] dccp_write_xmit+0x125/0x180 [ 56.171056] dccp_sendmsg+0x577/0xc60 [ 56.174836] ? dccp_getsockopt+0xd0/0xd0 [ 56.178888] ? kasan_check_write+0x14/0x20 [ 56.183133] ? copy_msghdr_from_user+0x1fd/0x440 [ 56.187904] inet_sendmsg+0x108/0x440 [ 56.191771] ? inet_recvmsg+0x640/0x640 [ 56.195738] sock_sendmsg+0xac/0xf0 [ 56.199384] ___sys_sendmsg+0x282/0x920 [ 56.203338] ? release_sock+0x11f/0x180 [ 56.207288] ? copy_msghdr_from_user+0x440/0x440 [ 56.212022] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 56.217102] ? release_sock+0x11f/0x180 [ 56.221055] ? trace_hardirqs_on+0xd/0x10 [ 56.225192] ? __local_bh_enable_ip+0xcc/0x150 [ 56.229752] ? _raw_spin_unlock_bh+0x30/0x40 [ 56.234135] ? release_sock+0x11f/0x180 [ 56.238194] ? dccp_getsockopt+0xd0/0xd0 [ 56.242335] ? reacquire_held_locks+0xb7/0x3a0 [ 56.246893] ? release_sock+0x1b/0x180 [ 56.251106] ? __fdget+0xe/0x10 [ 56.254376] ? sockfd_lookup_light+0x1c/0x160 [ 56.258853] __sys_sendmmsg+0x126/0x300 [ 56.262802] ? SyS_sendmsg+0x20/0x20 [ 56.266501] ? release_sock+0x11f/0x180 [ 56.270471] ? __do_page_fault+0x4ef/0xa90 [ 56.274724] ? _raw_spin_unlock_irq+0x60/0x90 [ 56.279217] ? do_syscall_64+0x4c/0x5b0 [ 56.283163] ? __sys_sendmmsg+0x300/0x300 [ 56.287281] SyS_sendmmsg+0xd/0x20 [ 56.290816] do_syscall_64+0x1c7/0x5b0 [ 56.294694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.299529] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.304702] RIP: 0033:0x7f5313e3cee9 [ 56.308385] RSP: 002b:00007ffc77d83c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 56.316081] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5313e3cee9 [ 56.323322] RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004 [ 56.330564] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc77d83dc8 [ 56.337804] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c [ 56.345044] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 56.367346] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() [ 56.377891] CPU: 1 PID: 8330 Comm: syz-executor594 Not tainted 4.14.271-syzkaller #0 [ 56.385754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.395078] Call Trace: [ 56.397642] dump_stack+0x14b/0x1e7 [ 56.401245] ccid3_update_send_interval.cold.13+0x7a/0x86 [ 56.406756] ccid3_hc_tx_update_x+0x353/0x630 [ 56.411225] ? ktime_get_with_offset+0x185/0x2b0 [ 56.415954] ccid3_hc_tx_packet_recv+0x3d4/0xb50 [ 56.420684] ? ccid3_hc_tx_no_feedback_timer+0x4b0/0x4b0 [ 56.426103] ? ccid3_hc_rx_packet_recv+0x878/0xda0 [ 56.431008] dccp_deliver_input_to_ccids+0x19f/0x210 [ 56.436086] dccp_rcv_established+0x49/0x70 [ 56.440388] dccp_v4_do_rcv+0xfa/0x160 [ 56.444248] __release_sock+0x10e/0x2f0 [ 56.448200] release_sock+0x4f/0x180 [ 56.451899] dccp_sendmsg+0x4c1/0xc60 [ 56.455673] ? dccp_getsockopt+0xd0/0xd0 [ 56.459708] ? debug_smp_processor_id+0x17/0x20 [ 56.464440] ? __switch_to_xtra+0xa7/0x13d0 [ 56.468744] inet_sendmsg+0x108/0x440 [ 56.472531] ? inet_recvmsg+0x640/0x640 [ 56.476520] sock_sendmsg+0xac/0xf0 [ 56.480130] SyS_sendto+0x1e4/0x2c0 [ 56.483741] ? SyS_getpeername+0x250/0x250 [ 56.488314] ? finish_task_switch+0x149/0x650 [ 56.492800] ? __schedule+0x82c/0x1ee0 [ 56.496675] ? inet_stream_connect+0x76/0xa0 [ 56.501080] ? SyS_accept+0x10/0x10 [ 56.504928] ? retint_kernel+0x2d/0x2d [ 56.508802] ? do_syscall_64+0x4c/0x5b0 [ 56.512758] ? SyS_getpeername+0x250/0x250 [ 56.517319] do_syscall_64+0x1c7/0x5b0 [ 56.521270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.526094] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 56.531263] RIP: 0033:0x7f5313e3cee9 [ 56.534970] RSP: 002b:00007ffc77d83c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 56.542661] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f5313e3cee9 [ 56.549929] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 56.557183] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.564453] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc77d83c3c