[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. 2021/02/13 06:22:32 parsed 1 programs 2021/02/13 06:22:32 executed programs: 0 syzkaller login: [ 36.223396] IPVS: ftp: loaded support on port[0] = 21 [ 36.341896] chnl_net:caif_netlink_parms(): no params data found [ 36.436539] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.443375] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.450590] device bridge_slave_0 entered promiscuous mode [ 36.458492] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.464995] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.472187] device bridge_slave_1 entered promiscuous mode [ 36.490754] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 36.499605] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 36.519220] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 36.526791] team0: Port device team_slave_0 added [ 36.532880] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 36.540119] team0: Port device team_slave_1 added [ 36.557661] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.564005] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 36.589378] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.601547] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.607810] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 36.633098] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.643763] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 36.651778] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 36.671618] device hsr_slave_0 entered promiscuous mode [ 36.677368] device hsr_slave_1 entered promiscuous mode [ 36.684411] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 36.691845] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 36.758805] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.765281] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.772340] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.778695] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.813782] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 36.819858] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.828626] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.838186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.846525] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.854110] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.862160] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 36.874066] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 36.880171] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.890716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.898480] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.904957] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.914915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.923417] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.929761] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.952347] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.960938] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.968728] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.981701] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.990001] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.998236] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 37.004568] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.017383] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 37.025142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.032256] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.044823] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.057613] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 37.067701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.102678] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 37.109739] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 37.116951] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 37.126925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.134775] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.142459] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.152355] device veth0_vlan entered promiscuous mode [ 37.161799] device veth1_vlan entered promiscuous mode [ 37.168594] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 37.178160] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 37.191338] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 37.201686] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.211763] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.219046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.229380] device veth0_macvtap entered promiscuous mode [ 37.236279] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 37.244772] device veth1_macvtap entered promiscuous mode [ 37.254876] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 37.263881] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 37.274431] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.281723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.289895] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 37.300793] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.307628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.432894] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 37.439864] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.447519] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.468727] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.479363] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 37.486648] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.494046] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.501165] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 37.527383] [ 37.529236] ********************************************************** [ 37.537190] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 37.544898] ** ** [ 37.553223] ** trace_printk() being used. Allocating extra memory. ** [ 37.560134] ** ** [ 37.567259] ** This means that this is a DEBUG kernel and it is ** [ 37.574349] ** unsafe for production use. ** [ 37.581309] ** ** [ 37.588275] ** If you see this message and you are not debugging ** [ 37.596931] ** the kernel, report this immediately to your vendor! ** [ 37.604749] ** ** [ 37.612301] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 37.618970] ********************************************************** [ 37.639528] WARNING: CPU: 0 PID: 8387 at kernel/tracepoint.c:256 tracepoint_add_func+0x254/0x820 [ 37.648514] Kernel panic - not syncing: panic_on_warn set ... [ 37.648514] [ 37.655866] CPU: 0 PID: 8387 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 37.663658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.673016] Call Trace: [ 37.675597] dump_stack+0x1fc/0x2ef [ 37.679242] panic+0x26a/0x50e [ 37.682437] ? __warn_printk+0xf3/0xf3 [ 37.686327] ? tracepoint_add_func+0x254/0x820 [ 37.690930] ? __probe_kernel_read+0x130/0x1b0 [ 37.695528] ? __warn.cold+0x5/0x5a [ 37.699175] ? __warn+0xe4/0x200 [ 37.702552] ? tracepoint_add_func+0x254/0x820 [ 37.707139] __warn.cold+0x20/0x5a [ 37.710667] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.715458] ? tracepoint_add_func+0x254/0x820 [ 37.720052] report_bug+0x262/0x2b0 [ 37.723696] do_error_trap+0x1d7/0x310 [ 37.727571] ? math_error+0x310/0x310 [ 37.731377] ? check_preemption_disabled+0x41/0x280 [ 37.736382] ? check_preemption_disabled+0x41/0x280 [ 37.741424] ? error_entry+0x72/0xd0 [ 37.745143] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.750154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.754987] invalid_op+0x14/0x20 [ 37.758450] RIP: 0010:tracepoint_add_func+0x254/0x820 [ 37.763623] Code: 44 24 20 48 8b 5b 08 80 38 00 0f 85 0e 05 00 00 48 8b 44 24 08 48 3b 58 08 0f 85 2d ff ff ff 41 bc ef ff ff ff e8 fc c2 fe ff <0f> 0b e8 f5 c2 fe ff 44 89 e0 48 83 c4 38 5b 5d 41 5c 41 5d 41 5e [ 37.782612] RSP: 0018:ffff888094ac7b58 EFLAGS: 00010293 [ 37.787962] RAX: ffff8880afd12540 RBX: ffffc90001a01000 RCX: ffffffff81639662 [ 37.795217] RDX: 0000000000000000 RSI: ffffffff816396c4 RDI: ffff8880ab9f9b18 [ 37.802489] RBP: ffffffff81ec1030 R08: 0000000000000000 R09: 000000000000000a [ 37.809740] R10: 0000000000000004 R11: 00000000f9b4e5ce R12: 00000000ffffffef [ 37.816993] R13: 0000000000000000 R14: ffff8880ab9f9b10 R15: dffffc0000000000 [ 37.824287] ? __bpf_trace_ext4_alloc_da_blocks+0xc0/0xc0 [ 37.830683] ? tracepoint_add_func+0x1f2/0x820 [ 37.835270] ? tracepoint_add_func+0x254/0x820 [ 37.839844] ? tracepoint_add_func+0x254/0x820 [ 37.844430] ? __bpf_trace_ext4_alloc_da_blocks+0xc0/0xc0 [ 37.850021] ? __bpf_trace_ext4_alloc_da_blocks+0xc0/0xc0 [ 37.855561] tracepoint_probe_register+0x9c/0xe0 [ 37.860330] ? tracepoint_module_notify+0x5f0/0x5f0 [ 37.865338] ? __bpf_trace_ext4_alloc_da_blocks+0xc0/0xc0 [ 37.870870] bpf_probe_register+0xe6/0x140 [ 37.875098] bpf_raw_tracepoint_open+0x1bd/0x350 [ 37.879840] ? bpf_prog_release+0x50/0x50 [ 37.883978] ? __might_fault+0xef/0x1d0 [ 37.887940] ? __might_fault+0x192/0x1d0 [ 37.891989] ? security_bpf+0x83/0xb0 [ 37.895794] __se_sys_bpf+0x1069/0x3a20 [ 37.899930] ? sockfd_lookup_light+0xc6/0x180 [ 37.904505] ? bpf_prog_load+0x1240/0x1240 [ 37.908818] ? __se_sys_futex+0x28f/0x3b0 [ 37.913004] ? __se_sys_futex+0x298/0x3b0 [ 37.917150] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.922516] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.927551] ? do_syscall_64+0x21/0x620 [ 37.931551] do_syscall_64+0xf9/0x620 [ 37.935341] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.940523] RIP: 0033:0x465d99 [ 37.943700] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 37.963361] RSP: 002b:00007feb92629188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 37.971083] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465d99 [ 37.978465] RDX: 0000000000000010 RSI: 0000000020000180 RDI: 0000000000000011 [ 37.985744] RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000 [ 37.993001] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 38.000777] R13: 00007ffcada3fbef R14: 00007feb92629300 R15: 0000000000022000 [ 38.008866] Kernel Offset: disabled [ 38.012720] Rebooting in 86400 seconds..