[ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. 2021/02/13 05:28:30 parsed 1 programs 2021/02/13 05:28:30 executed programs: 0 syzkaller login: [ 36.145665] IPVS: ftp: loaded support on port[0] = 21 [ 36.243850] chnl_net:caif_netlink_parms(): no params data found [ 36.362767] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.369523] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.377448] device bridge_slave_0 entered promiscuous mode [ 36.385259] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.392051] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.399680] device bridge_slave_1 entered promiscuous mode [ 36.417883] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 36.427453] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 36.446143] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 36.453575] team0: Port device team_slave_0 added [ 36.459096] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 36.467069] team0: Port device team_slave_1 added [ 36.482852] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.489283] 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. [ 36.514796] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.528112] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.534506] 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. [ 36.560196] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.571136] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 36.578832] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 36.598283] device hsr_slave_0 entered promiscuous mode [ 36.604126] device hsr_slave_1 entered promiscuous mode [ 36.610180] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 36.618422] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 36.686982] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.693470] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.700446] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.707129] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.739692] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 36.747140] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.756072] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.765620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.775053] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.782308] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.789347] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 36.800209] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 36.806978] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.816075] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.824343] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.830695] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.844528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.852541] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.858907] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.869968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.878684] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.888232] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.899507] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.909594] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.919031] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 36.925895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.938954] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 36.946820] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.953917] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.965171] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.978038] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 36.987937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.022449] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 37.029509] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 37.036952] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 37.047820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.055609] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.062669] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.072442] device veth0_vlan entered promiscuous mode [ 37.081071] device veth1_vlan entered promiscuous mode [ 37.087918] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 37.096884] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 37.108063] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 37.118766] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.126581] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.134368] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.144611] device veth0_macvtap entered promiscuous mode [ 37.150932] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 37.160973] device veth1_macvtap entered promiscuous mode [ 37.169845] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 37.179144] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 37.189221] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.196402] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.204762] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 37.215054] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.222752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.332811] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 37.339743] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.357107] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 37.366118] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.376376] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.377418] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.384377] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.397868] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 37.425053] [ 37.426866] ********************************************************** [ 37.434820] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 37.441977] ** ** [ 37.448654] ** trace_printk() being used. Allocating extra memory. ** [ 37.456476] ** ** [ 37.463617] ** This means that this is a DEBUG kernel and it is ** [ 37.470300] ** unsafe for production use. ** [ 37.477545] ** ** [ 37.484335] ** If you see this message and you are not debugging ** [ 37.491026] ** the kernel, report this immediately to your vendor! ** [ 37.498983] ** ** [ 37.505746] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 37.514233] ********************************************************** [ 37.535321] WARNING: CPU: 0 PID: 8372 at kernel/tracepoint.c:256 tracepoint_add_func+0x254/0x820 [ 37.544408] Kernel panic - not syncing: panic_on_warn set ... [ 37.544408] [ 37.551761] CPU: 0 PID: 8372 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0 [ 37.559559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.568893] Call Trace: [ 37.571473] dump_stack+0x1fc/0x2ef [ 37.575104] panic+0x26a/0x50e [ 37.578382] ? __warn_printk+0xf3/0xf3 [ 37.582257] ? tracepoint_add_func+0x254/0x820 [ 37.586819] ? __probe_kernel_read+0x130/0x1b0 [ 37.591419] ? __warn.cold+0x5/0x5a [ 37.595037] ? __warn+0xe4/0x200 [ 37.598403] ? tracepoint_add_func+0x254/0x820 [ 37.602965] __warn.cold+0x20/0x5a [ 37.606513] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.611265] ? tracepoint_add_func+0x254/0x820 [ 37.615829] report_bug+0x262/0x2b0 [ 37.619440] do_error_trap+0x1d7/0x310 [ 37.623309] ? math_error+0x310/0x310 [ 37.627094] ? check_preemption_disabled+0x41/0x280 [ 37.632092] ? check_preemption_disabled+0x41/0x280 [ 37.637095] ? error_entry+0x72/0xd0 [ 37.640791] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.645789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.650616] invalid_op+0x14/0x20 [ 37.654051] RIP: 0010:tracepoint_add_func+0x254/0x820 [ 37.659223] 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 [ 37.678102] RSP: 0018:ffff888093ccfb58 EFLAGS: 00010293 [ 37.683444] RAX: ffff8880b169a0c0 RBX: ffffc90001a01000 RCX: ffffffff81639662 [ 37.690780] RDX: 0000000000000000 RSI: ffffffff816396c4 RDI: ffff8880afbf3698 [ 37.698031] RBP: ffffffff81ec1030 R08: 0000000000000000 R09: 000000000000000a [ 37.705281] R10: 0000000000000004 R11: 00000000f9b4e5ce R12: 00000000ffffffef [ 37.712554] R13: 0000000000000000 R14: ffff8880afbf3690 R15: dffffc0000000000 [ 37.719815] ? __bpf_trace_ext4_alloc_da_blocks+0xc0/0xc0 [ 37.725350] ? tracepoint_add_func+0x1f2/0x820 [ 37.729912] ? tracepoint_add_func+0x254/0x820 [ 37.734479] ? tracepoint_add_func+0x254/0x820 [ 37.739042] ? __bpf_trace_ext4_alloc_da_blocks+0xc0/0xc0 [ 37.744565] ? __bpf_trace_ext4_alloc_da_blocks+0xc0/0xc0 [ 37.750296] tracepoint_probe_register+0x9c/0xe0 [ 37.755033] ? tracepoint_module_notify+0x5f0/0x5f0 [ 37.760029] ? __bpf_trace_ext4_alloc_da_blocks+0xc0/0xc0 [ 37.765569] bpf_probe_register+0xe6/0x140 [ 37.769787] bpf_raw_tracepoint_open+0x1bd/0x350 [ 37.774538] ? bpf_prog_release+0x50/0x50 [ 37.778669] ? __might_fault+0xef/0x1d0 [ 37.782628] ? __might_fault+0x192/0x1d0 [ 37.786669] ? security_bpf+0x83/0xb0 [ 37.790449] __se_sys_bpf+0x1069/0x3a20 [ 37.794431] ? finish_task_switch+0x146/0x760 [ 37.798922] ? bpf_prog_load+0x1240/0x1240 [ 37.803339] ? __se_sys_futex+0x28f/0x3b0 [ 37.807643] ? __se_sys_futex+0x298/0x3b0 [ 37.811795] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 37.817248] ? trace_hardirqs_off_caller+0x6e/0x210 [ 37.822254] ? do_syscall_64+0x21/0x620 [ 37.826210] do_syscall_64+0xf9/0x620 [ 37.830215] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.835415] RIP: 0033:0x465d99 [ 37.838593] 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 [ 37.857495] RSP: 002b:00007faaa287c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 37.865183] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465d99 [ 37.872451] RDX: 0000000000000010 RSI: 0000000020000180 RDI: 0000000000000011 [ 37.879727] RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000 [ 37.886976] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 37.894254] R13: 00007fff356c12cf R14: 00007faaa287c300 R15: 0000000000022000 [ 37.902311] Kernel Offset: disabled [ 37.906252] Rebooting in 86400 seconds..