[ 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 '10.128.0.200' (ECDSA) to the list of known hosts. syzkaller login: [ 50.229833] IPVS: ftp: loaded support on port[0] = 21 [ 50.348858] chnl_net:caif_netlink_parms(): no params data found [ 50.455184] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.462390] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.470314] device bridge_slave_0 entered promiscuous mode [ 50.477607] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.484605] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.491771] device bridge_slave_1 entered promiscuous mode [ 50.509583] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.518379] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.536884] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.544355] team0: Port device team_slave_0 added [ 50.550318] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.557582] team0: Port device team_slave_1 added [ 50.572708] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.578956] 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. [ 50.604203] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.615742] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.622052] 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. [ 50.647322] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.658230] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.666058] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.685162] device hsr_slave_0 entered promiscuous mode [ 50.691173] device hsr_slave_1 entered promiscuous mode [ 50.697150] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.704399] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.769169] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.769250] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.782506] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.788843] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.822130] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 50.828232] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.837358] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.848159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.856478] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.863777] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.871347] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.882452] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.888519] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.897845] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.906317] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.912814] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.923000] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.930755] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.937167] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.956312] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.966385] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.978169] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 50.985934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.994288] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.002197] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.010146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.017653] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.024907] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.036821] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 51.044999] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.051783] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.064876] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.076411] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 51.086311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.116924] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 51.124435] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 51.132013] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 51.142169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.150045] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.156879] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.165734] device veth0_vlan entered promiscuous mode [ 51.174524] device veth1_vlan entered promiscuous mode [ 51.181078] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 51.187703] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.198727] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 51.210606] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 51.220660] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.227911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.237857] device veth0_macvtap entered promiscuous mode [ 51.244735] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 51.252964] device veth1_macvtap entered promiscuous mode [ 51.262366] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 51.271181] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 51.282189] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.289686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.297998] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.307965] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.315174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.421429] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 51.428239] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.445521] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.451872] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 51.459818] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 51.470177] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.477314] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.485720] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.524167] list_del corruption, ffff8880b143f930->next is LIST_POISON1 (dead000000000100) [ 51.532942] ------------[ cut here ]------------ [ 51.537685] kernel BUG at lib/list_debug.c:45! [ 51.542259] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 51.547666] CPU: 1 PID: 8098 Comm: syz-executor169 Not tainted 4.19.211-syzkaller #0 [ 51.555535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 51.564880] RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a [ 51.570569] Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b [ 51.589451] RSP: 0018:ffff8880b143f810 EFLAGS: 00010086 [ 51.594793] RAX: 000000000000004e RBX: ffff8880b143f918 RCX: 0000000000000000 [ 51.602060] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1016287ef4 [ 51.609316] RBP: ffff8880b143f930 R08: 000000000000004e R09: 0000000000000000 [ 51.616773] R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 [ 51.624029] R13: dead000000000100 R14: ffff8880b143f938 R15: 0000000000000007 [ 51.631286] FS: 0000555555d3e400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 51.639495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.645356] CR2: 0000000020400000 CR3: 00000000aa612000 CR4: 00000000003406e0 [ 51.652608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.660249] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.667495] Call Trace: [ 51.670071] remove_wait_queue+0x2c/0x180 [ 51.674225] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 51.678804] __tipc_sendstream+0x373/0x9d0 [ 51.683044] ? tipc_sendmsg+0x70/0x70 [ 51.686844] ? do_wait_intr_irq+0x270/0x270 [ 51.691262] ? __local_bh_enable_ip+0x159/0x270 [ 51.695916] tipc_sendstream+0x4c/0x70 [ 51.699805] ? __tipc_sendstream+0x9d0/0x9d0 [ 51.704198] sock_sendmsg+0xc3/0x120 [ 51.707895] ___sys_sendmsg+0x3b3/0x8e0 [ 51.711861] ? copy_msghdr_from_user+0x440/0x440 [ 51.716599] ? tipc_wait_for_connect+0x17e/0x470 [ 51.721349] ? mark_held_locks+0xf0/0xf0 [ 51.725390] ? reacquire_held_locks+0xb5/0x430 [ 51.729953] ? release_sock+0x1b/0x1b0 [ 51.733820] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 51.738910] ? tipc_wait_for_connect+0x327/0x470 [ 51.743665] ? tipc_connect+0x17e/0x690 [ 51.747633] ? __might_fault+0x11f/0x1d0 [ 51.751688] ? lock_downgrade+0x720/0x720 [ 51.755823] ? lock_acquire+0x170/0x3c0 [ 51.759785] __sys_sendmmsg+0x195/0x470 [ 51.763743] ? __ia32_sys_sendmsg+0x220/0x220 [ 51.768227] ? tipc_wait_for_connect+0x470/0x470 [ 51.772961] ? __sys_connect+0x140/0x2c0 [ 51.776997] ? __ia32_sys_accept+0xb0/0xb0 [ 51.781212] ? up_read+0x17/0x110 [ 51.784644] ? __do_page_fault+0x180/0xd60 [ 51.788865] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 51.794210] __x64_sys_sendmmsg+0x99/0x100 [ 51.798426] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 51.802985] do_syscall_64+0xf9/0x620 [ 51.806768] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.811940] RIP: 0033:0x7f0b5f1836a9 [ 51.815647] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 51.834531] RSP: 002b:00007ffc237044c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 51.842233] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0b5f1836a9 [ 51.849503] RDX: 0000000000000005 RSI: 0000000020005fc0 RDI: 0000000000000003 [ 51.856752] RBP: 00007ffc237045d0 R08: 0000000000000031 R09: 0000000000000031 [ 51.864005] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000041 [ 51.871254] R13: 00007f0b5f207550 R14: 00007ffc23704532 R15: 00007ffc237045a0 [ 51.878523] Modules linked in: [ 51.881704] ---[ end trace 6da62857f31a747d ]--- [ 51.886446] RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a [ 51.892138] Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b [ 51.911023] RSP: 0018:ffff8880b143f810 EFLAGS: 00010086 [ 51.916366] RAX: 000000000000004e RBX: ffff8880b143f918 RCX: 0000000000000000 [ 51.923613] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1016287ef4 [ 51.930860] RBP: ffff8880b143f930 R08: 000000000000004e R09: 0000000000000000 [ 51.938107] R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 [ 51.945354] R13: dead000000000100 R14: ffff8880b143f938 R15: 0000000000000007 [ 51.952617] FS: 0000555555d3e400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 51.960911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.966769] CR2: 0000000020400000 CR3: 00000000aa612000 CR4: 00000000003406e0 [ 51.974019] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.981279] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.988551] Kernel panic - not syncing: Fatal exception [ 51.994089] Kernel Offset: disabled [ 51.997718] Rebooting in 86400 seconds..