[ 359.145115] print_req_error: I/O error, dev loop5, sector 123 flags 0 [ 359.154003] Buffer I/O error on dev loop5, logical block 123, async page read [ 359.161376] print_req_error: I/O error, dev loop5, sector 124 flags 0 [ 359.168041] Buffer I/O error on dev loop5, logical block 124, async page read [ 359.175329] print_req_error: I/O error, dev loop5, sector 125 flags 0 [ 359.181961] Buffer I/O error on dev loop5, logical block 125, async page read [ 359.189327] print_req_error: I/O error, dev loop5, sector 126 flags 0 [ 359.195976] Buffer I/O error on dev loop5, logical block 126, async page read [ 359.203268] print_req_error: I/O error, dev loop5, sector 127 flags 0 [ 359.210345] Buffer I/O error on dev loop5, logical block 127, async page read [ 467.326771] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 467.334550] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 467.346992] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 467.378104] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 467.385797] device bridge_slave_1 left promiscuous mode [ 467.391655] bridge0: port 2(bridge_slave_1) entered disabled state [ 467.399345] device bridge_slave_0 left promiscuous mode [ 467.404796] bridge0: port 1(bridge_slave_0) entered disabled state [ 467.414173] device veth1_macvtap left promiscuous mode [ 467.419767] device veth0_macvtap left promiscuous mode [ 467.425081] device veth1_vlan left promiscuous mode [ 467.430448] device veth0_vlan left promiscuous mode [ 467.549758] device hsr_slave_1 left promiscuous mode [ 467.566279] device hsr_slave_0 left promiscuous mode [ 467.587160] team0 (unregistering): Port device team_slave_1 removed [ 467.597935] team0 (unregistering): Port device team_slave_0 removed [ 467.613003] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 467.626679] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 467.672712] bond0 (unregistering): Released all slaves [ 467.781361] WARNING: CPU: 0 PID: 9394 at net/batman-adv/multicast.c:371 batadv_mcast_mla_update+0x15ef/0x2020 [ 467.791606] Kernel panic - not syncing: panic_on_warn set ... [ 467.797486] CPU: 0 PID: 9394 Comm: kworker/u4:6 Not tainted 4.20.0-syzkaller #0 [ 467.804921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 467.814275] Workqueue: bat_events batadv_mcast_mla_update [ 467.819800] Call Trace: [ 467.822379] dump_stack+0x86/0xca [ 467.825823] panic+0x1e7/0x35b [ 467.829137] ? __warn_printk+0xd6/0xd6 [ 467.833035] __warn.cold.7+0x1b/0x38 [ 467.836744] ? batadv_mcast_mla_update+0x15ef/0x2020 [ 467.841843] report_bug+0x1a4/0x200 [ 467.845466] do_error_trap+0x11b/0x1c0 [ 467.849370] do_invalid_op+0x36/0x40 [ 467.853075] ? batadv_mcast_mla_update+0x15ef/0x2020 [ 467.858167] invalid_op+0x14/0x20 [ 467.861611] RIP: 0010:batadv_mcast_mla_update+0x15ef/0x2020 [ 467.867321] Code: df 4c 89 f1 48 c1 e9 03 80 3c 01 00 0f 85 2f 0a 00 00 4c 3b b5 28 fe ff ff 4c 89 f7 4d 8b 3e 0f 85 28 fc ff ff e9 50 f1 ff ff <0f> 0b e9 87 ee ff ff 40 88 b5 10 fe ff ff e8 1e c7 0f fa 0f b6 93 [ 467.886219] RSP: 0018:ffff88809fe5fb30 EFLAGS: 00010202 [ 467.891578] RAX: 0000000000000121 RBX: ffff88809fe5fd30 RCX: 1ffff11012243119 [ 467.898842] RDX: 1ffff1101396bb7c RSI: ffff8880912188a8 RDI: ffff88809121887c [ 467.906109] RBP: ffff88809fe5fd58 R08: ffff8880912188c8 R09: 0000000000000000 [ 467.913372] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809cb5dbe0 [ 467.920744] R13: ffff88809cb5d340 R14: 0000000000000000 R15: ffff88809fe5fc70 [ 467.928026] ? batadv_mcast_querier_log.isra.5+0x1d0/0x1d0 [ 467.933651] ? debug_object_deactivate+0x214/0x340 [ 467.938574] ? lock_downgrade+0x610/0x610 [ 467.942889] ? _raw_spin_unlock_irqrestore+0x33/0x60 [ 467.947980] ? trace_hardirqs_off+0x41/0x180 [ 467.952410] ? rcu_lockdep_current_cpu_online+0xe5/0x130 [ 467.957861] process_one_work+0x7b9/0x15a0 [ 467.962098] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 467.966758] ? lock_acquire+0x111/0x2d0 [ 467.970726] ? _raw_spin_lock_irq+0xe/0x50 [ 467.974958] worker_thread+0x85/0xb60 [ 467.978748] ? __kthread_parkme+0x47/0x190 [ 467.982978] kthread+0x324/0x3e0 [ 467.986332] ? process_one_work+0x15a0/0x15a0 [ 467.990816] ? kthread_park+0x120/0x120 [ 467.994788] ret_from_fork+0x24/0x30 [ 467.999460] Kernel Offset: disabled [ 468.003124] Rebooting in 86400 seconds..