Warning: Permanently added '10.128.1.55' (ECDSA) to the list of known hosts. 2020/11/21 15:59:52 parsed 1 programs 2020/11/21 15:59:52 executed programs: 0 syzkaller login: [ 182.458962] IPVS: ftp: loaded support on port[0] = 21 [ 182.564273] chnl_net:caif_netlink_parms(): no params data found [ 182.631825] bridge0: port 1(bridge_slave_0) entered blocking state [ 182.638387] bridge0: port 1(bridge_slave_0) entered disabled state [ 182.647576] device bridge_slave_0 entered promiscuous mode [ 182.654368] bridge0: port 2(bridge_slave_1) entered blocking state [ 182.661720] bridge0: port 2(bridge_slave_1) entered disabled state [ 182.668819] device bridge_slave_1 entered promiscuous mode [ 182.685833] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 182.694377] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 182.712704] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 182.720092] team0: Port device team_slave_0 added [ 182.725788] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 182.733103] team0: Port device team_slave_1 added [ 182.748913] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 182.755754] 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. [ 182.782239] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 182.793854] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 182.800493] 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. [ 182.826254] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 182.837112] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 182.844404] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 182.863834] device hsr_slave_0 entered promiscuous mode [ 182.869536] device hsr_slave_1 entered promiscuous mode [ 182.876403] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 182.883312] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 182.948583] bridge0: port 2(bridge_slave_1) entered blocking state [ 182.955027] bridge0: port 2(bridge_slave_1) entered forwarding state [ 182.961716] bridge0: port 1(bridge_slave_0) entered blocking state [ 182.968143] bridge0: port 1(bridge_slave_0) entered forwarding state [ 182.997617] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 183.003784] 8021q: adding VLAN 0 to HW filter on device bond0 [ 183.013484] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 183.022227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 183.031368] bridge0: port 1(bridge_slave_0) entered disabled state [ 183.038796] bridge0: port 2(bridge_slave_1) entered disabled state [ 183.046385] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 183.056689] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 183.062750] 8021q: adding VLAN 0 to HW filter on device team0 [ 183.072678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 183.080736] bridge0: port 1(bridge_slave_0) entered blocking state [ 183.087132] bridge0: port 1(bridge_slave_0) entered forwarding state [ 183.105921] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 183.113563] bridge0: port 2(bridge_slave_1) entered blocking state [ 183.119959] bridge0: port 2(bridge_slave_1) entered forwarding state [ 183.127794] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 183.135807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 183.143447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 183.152738] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 183.161261] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 183.171533] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 183.177943] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 183.190979] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 183.200269] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 183.207834] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 183.218512] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 183.230595] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 183.240245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 183.272015] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 183.279656] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 183.286726] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 183.297058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 183.304671] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 183.312176] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 183.321462] device veth0_vlan entered promiscuous mode [ 183.330516] device veth1_vlan entered promiscuous mode [ 183.336523] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 183.344916] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 183.356443] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 183.366085] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 183.373228] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 183.380948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 183.390061] device veth0_macvtap entered promiscuous mode [ 183.396493] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 183.404475] device veth1_macvtap entered promiscuous mode [ 183.413125] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 183.422404] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 183.432683] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 183.439587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 183.448377] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 183.458282] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 183.465283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 183.570513] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 183.577419] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 183.590844] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 183.600387] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 183.609786] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 183.617078] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 183.624212] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 183.633487] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 184.516261] Bluetooth: hci0: command 0x0409 tx timeout 2020/11/21 15:59:57 executed programs: 43 [ 186.584745] Bluetooth: hci0: command 0x041b tx timeout [ 188.664886] Bluetooth: hci0: command 0x040f tx timeout [ 190.744686] Bluetooth: hci0: command 0x0419 tx timeout 2020/11/21 16:00:02 executed programs: 125 2020/11/21 16:00:07 executed programs: 207 2020/11/21 16:00:12 executed programs: 289 [ 205.464467] ------------[ cut here ]------------ [ 205.469569] generic_make_request: Trying to write to read-only block-device sda1 (partno 1) [ 205.478460] WARNING: CPU: 0 PID: 7 at block/blk-core.c:2182 generic_make_request_checks+0x1f9b/0x22e0 [ 205.487812] Kernel panic - not syncing: panic_on_warn set ... [ 205.487812] [ 205.495163] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.158-syzkaller #0 [ 205.502498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 205.511851] Workqueue: writeback wb_workfn (flush-8:0) [ 205.517118] Call Trace: [ 205.519698] dump_stack+0x1fc/0x2fe [ 205.523330] panic+0x26a/0x50e [ 205.526502] ? __warn_printk+0xf3/0xf3 [ 205.530385] ? generic_make_request_checks+0x1f9b/0x22e0 [ 205.535810] ? __probe_kernel_read+0x130/0x1b0 [ 205.540366] ? __warn.cold+0x5/0x61 [ 205.543968] ? __warn+0xe4/0x200 [ 205.547313] ? generic_make_request_checks+0x1f9b/0x22e0 [ 205.552754] __warn.cold+0x20/0x61 [ 205.556275] ? generic_make_request_checks+0x1f9b/0x22e0 [ 205.561721] report_bug+0x262/0x2b0 [ 205.565348] do_error_trap+0x1d7/0x310 [ 205.569214] ? math_error+0x310/0x310 [ 205.572994] ? __irq_work_queue_local+0x101/0x160 [ 205.577814] ? irq_work_queue+0x29/0x80 [ 205.581765] ? error_entry+0x72/0xd0 [ 205.585467] ? trace_hardirqs_off_caller+0x6e/0x210 [ 205.590465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 205.595306] invalid_op+0x14/0x20 [ 205.598740] RIP: 0010:generic_make_request_checks+0x1f9b/0x22e0 [ 205.604777] Code: 2c 03 00 00 45 8b be 9c 04 00 00 48 8d 74 24 68 48 89 ef e8 77 24 06 00 48 c7 c7 a0 ff b1 88 48 89 c6 44 89 fa e8 10 cb ce fd <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 0f b6 04 [ 205.623674] RSP: 0018:ffff8880b5a57150 EFLAGS: 00010286 [ 205.629016] RAX: 0000000000000000 RBX: ffff8880ae1d5000 RCX: 0000000000000000 [ 205.636268] RDX: 0000000000000000 RSI: ffffffff814fdba1 RDI: ffffed1016b4ae1c [ 205.643515] RBP: ffff8880b41ae840 R08: 0000000000000001 R09: 0000000000000000 [ 205.650764] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b41ae870 [ 205.658014] R13: ffff8880b41ae848 R14: ffff8880a890ee80 R15: 0000000000000001 [ 205.665275] ? vprintk_func+0x81/0x17e [ 205.669145] ? should_fail_bio.isra.0+0xa0/0xa0 [ 205.673791] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 205.678783] ? kmem_cache_alloc+0x315/0x370 [ 205.683081] generic_make_request+0x23f/0xdf0 [ 205.687553] ? blk_put_request+0x110/0x110 [ 205.691777] ? sb_mark_inode_writeback+0xc8/0x490 [ 205.696599] submit_bio+0xb1/0x430 [ 205.700117] ? generic_make_request+0xdf0/0xdf0 [ 205.704762] ? check_preemption_disabled+0x41/0x280 [ 205.709756] ? guard_bio_eod+0x2a0/0x640 [ 205.713792] submit_bh_wbc+0x5a7/0x760 [ 205.717660] __block_write_full_page+0x71a/0xf60 [ 205.722408] ? block_llseek+0xc0/0xc0 [ 205.726188] block_write_full_page+0x1f3/0x260 [ 205.730744] ? block_llseek+0xc0/0xc0 [ 205.734523] __writepage+0x5e/0xe0 [ 205.738040] write_cache_pages+0x802/0x12d0 [ 205.742355] ? tag_pages_for_writeback+0x2f0/0x2f0 [ 205.747287] ? clear_page_dirty_for_io+0xee0/0xee0 [ 205.752202] ? lock_is_held_type+0x11f/0x210 [ 205.756595] ? mark_held_locks+0xf0/0xf0 [ 205.760632] ? blkdev_readpages+0x30/0x30 [ 205.764771] generic_writepages+0xdb/0x150 [ 205.768985] ? dirty_poll_interval.part.0+0x30/0x30 [ 205.773993] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 205.779857] ? mark_held_locks+0xf0/0xf0 [ 205.783919] do_writepages+0xe5/0x290 [ 205.787700] ? page_writeback_cpu_online+0x10/0x10 [ 205.792624] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 205.797881] ? check_preemption_disabled+0x41/0x280 [ 205.802887] __writeback_single_inode+0x113/0x1340 [ 205.807804] ? _raw_spin_unlock+0x29/0x40 [ 205.811943] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 205.817210] writeback_sb_inodes+0x537/0xef0 [ 205.821623] ? do_raw_spin_unlock+0x171/0x230 [ 205.826115] ? wbc_detach_inode+0x840/0x840 [ 205.830421] ? down_read_trylock+0x4e/0x90 [ 205.834648] ? trylock_super+0x1d/0x100 [ 205.838611] __writeback_inodes_wb+0xc6/0x280 [ 205.843113] wb_writeback+0x841/0xcc0 [ 205.846897] ? writeback_inodes_wb.constprop.0+0x1d0/0x1d0 [ 205.852502] ? cpumask_next+0x3c/0x40 [ 205.856303] ? get_nr_dirty_inodes+0x19e/0x210 [ 205.860890] wb_workfn+0x90f/0x12f0 [ 205.864536] ? inode_wait_for_writeback+0x30/0x30 [ 205.869362] process_one_work+0x864/0x1570 [ 205.873573] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 205.878221] worker_thread+0x64c/0x1130 [ 205.882174] ? process_one_work+0x1570/0x1570 [ 205.886648] kthread+0x33f/0x460 [ 205.889988] ? kthread_park+0x180/0x180 [ 205.893938] ret_from_fork+0x24/0x30 [ 205.898394] Kernel Offset: disabled [ 205.902074] Rebooting in 86400 seconds..