Warning: Permanently added '10.128.0.83' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs 1970/01/01 00:00:30 serving rpc on tcp://41015 [ 31.115904][ T4721] cgroup: Unknown subsys name 'net' [ 31.225563][ T4721] cgroup: Unknown subsys name 'cpuset' [ 31.227801][ T4721] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.366855][ T4721] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 33.986982][ T4734] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 34.040954][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.042285][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.051554][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 34.051581][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 34.971857][ T4735] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 34.973377][ T4735] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 34.975079][ T4735] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 34.976904][ T4735] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 34.978852][ T4735] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.191839][ T4779] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.192143][ T4779] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.192210][ T4779] bridge_slave_0: entered allmulticast mode [ 35.192664][ T4779] bridge_slave_0: entered promiscuous mode [ 35.194259][ T4779] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.194310][ T4779] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.194358][ T4779] bridge_slave_1: entered allmulticast mode [ 35.194786][ T4779] bridge_slave_1: entered promiscuous mode [ 35.202691][ T4779] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.203632][ T4779] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.209814][ T4779] team0: Port device team_slave_0 added [ 35.210560][ T4779] team0: Port device team_slave_1 added [ 35.217270][ T4779] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.217294][ T4779] 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 1532 would solve the problem. [ 35.217309][ T4779] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.218048][ T4779] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.218055][ T4779] 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 1532 would solve the problem. [ 35.218068][ T4779] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.228629][ T4779] hsr_slave_0: entered promiscuous mode [ 35.228962][ T4779] hsr_slave_1: entered promiscuous mode [ 35.279176][ T4779] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.283099][ T4779] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 35.283851][ T4779] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.285797][ T4779] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 35.286113][ T4779] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.288217][ T4779] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 35.288894][ T4779] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 35.290244][ T4779] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 35.299026][ T4779] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.299071][ T4779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.299219][ T4779] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.299247][ T4779] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.315398][ T4779] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.318937][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.320357][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.326395][ T4779] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.328635][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.328685][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.332768][ T1215] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.332811][ T1215] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.430299][ T4779] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.442715][ T4779] veth0_vlan: entered promiscuous mode [ 35.445010][ T4779] veth1_vlan: entered promiscuous mode [ 35.451994][ T4779] veth0_macvtap: entered promiscuous mode [ 35.453116][ T4779] veth1_macvtap: entered promiscuous mode [ 35.457393][ T4779] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.459034][ T4779] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.463424][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.463522][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.463549][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.463564][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.559954][ T1215] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.624346][ T1215] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.682332][ T1215] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.757881][ T1215] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:35 executed programs: 0 [ 35.839895][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.840284][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.840452][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.840755][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.840964][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.969934][ T4825] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.970010][ T4825] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.970065][ T4825] bridge_slave_0: entered allmulticast mode [ 35.970486][ T4825] bridge_slave_0: entered promiscuous mode [ 35.971672][ T4825] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.971723][ T4825] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.971832][ T4825] bridge_slave_1: entered allmulticast mode [ 35.972250][ T4825] bridge_slave_1: entered promiscuous mode [ 35.979753][ T4825] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.980598][ T4825] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.987795][ T4825] team0: Port device team_slave_0 added [ 35.988548][ T4825] team0: Port device team_slave_1 added [ 35.994332][ T4825] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.994355][ T4825] 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 1532 would solve the problem. [ 35.994375][ T4825] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.995312][ T4825] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.995319][ T4825] 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 1532 would solve the problem. [ 35.995334][ T4825] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.005986][ T4825] hsr_slave_0: entered promiscuous mode [ 36.006272][ T4825] hsr_slave_1: entered promiscuous mode [ 36.006460][ T4825] debugfs: 'hsr0' already exists in 'hsr' [ 36.006506][ T4825] Cannot create hsr debugfs directory [ 37.844536][ T4735] Bluetooth: hci0: command tx timeout [ 39.052452][ T1215] bridge_slave_1: left allmulticast mode [ 39.052493][ T1215] bridge_slave_1: left promiscuous mode [ 39.052819][ T1215] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.056904][ T1215] bridge_slave_0: left allmulticast mode [ 39.056927][ T1215] bridge_slave_0: left promiscuous mode [ 39.056996][ T1215] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.108671][ T1215] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 39.112072][ T1215] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 39.116722][ T1215] bond0 (unregistering): Released all slaves [ 39.175924][ T1215] hsr_slave_0: left promiscuous mode [ 39.177985][ T1215] hsr_slave_1: left promiscuous mode [ 39.178324][ T1215] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 39.178342][ T1215] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 39.179384][ T1215] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 39.179395][ T1215] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 39.187629][ T1215] veth1_macvtap: left promiscuous mode [ 39.187681][ T1215] veth0_macvtap: left promiscuous mode [ 39.187745][ T1215] veth1_vlan: left promiscuous mode [ 39.187782][ T1215] veth0_vlan: left promiscuous mode [ 39.284907][ T1215] team0 (unregistering): Port device team_slave_1 removed [ 39.288548][ T1215] team0 (unregistering): Port device team_slave_0 removed [ 39.339692][ T4397] 8021q: adding VLAN 0 to HW filter on device eth0 [ 39.581694][ T4825] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.584362][ T4825] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 39.585938][ T4825] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.588279][ T4825] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 39.590235][ T4825] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.592460][ T4825] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 39.594268][ T4825] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.596690][ T4825] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 39.629050][ T4825] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.635610][ T4825] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.643043][ T40] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.643090][ T40] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.645942][ T40] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.645967][ T40] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.799171][ T4825] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.812617][ T4825] veth0_vlan: entered promiscuous mode [ 39.816063][ T4825] veth1_vlan: entered promiscuous mode [ 39.823883][ T4825] veth0_macvtap: entered promiscuous mode [ 39.825782][ T4825] veth1_macvtap: entered promiscuous mode [ 39.829091][ T4825] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.830064][ T4825] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.832507][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.832826][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.832850][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.832956][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.857893][ T1215] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.857919][ T1215] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.867377][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.867404][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.897162][ T4922] loop3: detected capacity change from 0 to 7 [ 39.924093][ T4735] Bluetooth: hci0: command tx timeout [ 39.944680][ T4922] [ 39.945099][ T4922] ====================================================== [ 39.946198][ T4922] WARNING: possible circular locking dependency detected [ 39.947261][ T4922] syzkaller #0 Not tainted [ 39.947940][ T4922] ------------------------------------------------------ [ 39.949000][ T4922] syz.0.17/4922 is trying to acquire lock: [ 39.949825][ T4922] ffff0000c1919210 (&root->kernfs_iattr_rwsem){++++}-{4:4}, at: kernfs_iop_getattr+0x98/0xe0 [ 39.951319][ T4922] [ 39.951319][ T4922] but task is already holding lock: [ 39.952385][ T4922] ffff0000c7439c38 (&q->q_usage_counter(io)#20){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 [ 39.954002][ T4922] [ 39.954002][ T4922] which lock already depends on the new lock. [ 39.954002][ T4922] [ 39.955643][ T4922] [ 39.955643][ T4922] the existing dependency chain (in reverse order) is: [ 39.957112][ T4922] [ 39.957112][ T4922] -> #2 (&q->q_usage_counter(io)#20){++++}-{0:0}: [ 39.958649][ T4922] blk_alloc_queue+0x488/0x590 [ 39.959511][ T4922] blk_mq_alloc_queue+0x148/0x284 [ 39.960460][ T4922] __blk_mq_alloc_disk+0x38/0x10c [ 39.961367][ T4922] loop_add+0x358/0x8e4 [ 39.962121][ T4922] loop_init+0xe8/0x10c [ 39.962960][ T4922] do_one_initcall+0x274/0xc38 [ 39.963819][ T4922] do_initcall_level+0x12c/0x1c4 [ 39.964644][ T4922] do_initcalls+0x70/0xd0 [ 39.965471][ T4922] do_basic_setup+0x7c/0x90 [ 39.966348][ T4922] kernel_init_freeable+0x268/0x3a8 [ 39.967313][ T4922] kernel_init+0x24/0x1dc [ 39.968088][ T4922] ret_from_fork+0x10/0x20 [ 39.968922][ T4922] [ 39.968922][ T4922] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 39.970118][ T4922] fs_reclaim_acquire+0x90/0x110 [ 39.971044][ T4922] kmem_cache_alloc_noprof+0x60/0x5d8 [ 39.972077][ T4922] __kernfs_iattrs+0xd8/0x310 [ 39.972965][ T4922] __kernfs_setattr+0x48/0x2ac [ 39.973883][ T4922] kernfs_iop_setattr+0xc4/0x11c [ 39.974759][ T4922] notify_change+0x928/0xb7c [ 39.975642][ T4922] do_truncate+0x1a8/0x22c [ 39.976486][ T4922] path_openat+0x2368/0x2a60 [ 39.977323][ T4922] do_file_open+0x1c8/0x2e8 [ 39.978192][ T4922] do_sys_openat2+0x114/0x1e8 [ 39.979051][ T4922] do_sys_open+0xb0/0xe0 [ 39.979886][ T4922] __arm64_sys_openat+0xa0/0xbc [ 39.980791][ T4922] invoke_syscall+0x98/0x244 [ 39.981645][ T4922] el0_svc_common+0xec/0x23c [ 39.982442][ T4922] do_el0_svc+0x4c/0x5c [ 39.983261][ T4922] el0_svc+0x64/0x260 [ 39.983991][ T4922] el0t_64_sync_handler+0x48/0x148 [ 39.984931][ T4922] el0t_64_sync+0x198/0x19c [ 39.985753][ T4922] [ 39.985753][ T4922] -> #0 (&root->kernfs_iattr_rwsem){++++}-{4:4}: [ 39.987191][ T4922] __lock_acquire+0x17c0/0x2ebc [ 39.988176][ T4922] lock_acquire+0x140/0x364 [ 39.989072][ T4922] down_read+0x58/0x2bc [ 39.989880][ T4922] kernfs_iop_getattr+0x98/0xe0 [ 39.990727][ T4922] vfs_getattr_nosec+0x250/0x388 [ 39.991656][ T4922] vfs_getattr+0x60/0x88 [ 39.992467][ T4922] loop_assign_backing_file+0x200/0x3c0 [ 39.993473][ T4922] lo_ioctl+0x1160/0x167c [ 39.994313][ T4922] blkdev_ioctl+0x574/0x904 [ 39.995149][ T4922] __arm64_sys_ioctl+0x14c/0x1c4 [ 39.996104][ T4922] invoke_syscall+0x98/0x244 [ 39.996994][ T4922] el0_svc_common+0xec/0x23c [ 39.997839][ T4922] do_el0_svc+0x4c/0x5c [ 39.998659][ T4922] el0_svc+0x64/0x260 [ 39.999418][ T4922] el0t_64_sync_handler+0x48/0x148 [ 40.000415][ T4922] el0t_64_sync+0x198/0x19c [ 40.001204][ T4922] [ 40.001204][ T4922] other info that might help us debug this: [ 40.001204][ T4922] [ 40.002982][ T4922] Chain exists of: [ 40.002982][ T4922] &root->kernfs_iattr_rwsem --> fs_reclaim --> &q->q_usage_counter(io)#20 [ 40.002982][ T4922] [ 40.005496][ T4922] Possible unsafe locking scenario: [ 40.005496][ T4922] [ 40.006746][ T4922] CPU0 CPU1 [ 40.007701][ T4922] ---- ---- [ 40.008655][ T4922] lock(&q->q_usage_counter(io)#20); [ 40.009577][ T4922] lock(fs_reclaim); [ 40.010700][ T4922] lock(&q->q_usage_counter(io)#20); [ 40.012051][ T4922] rlock(&root->kernfs_iattr_rwsem); [ 40.012938][ T4922] [ 40.012938][ T4922] *** DEADLOCK *** [ 40.012938][ T4922] [ 40.014247][ T4922] 3 locks held by syz.0.17/4922: [ 40.015066][ T4922] #0: ffff0000c7485430 (&lo->lo_mutex){+.+.}-{4:4}, at: loop_global_lock_killable+0x64/0xbc [ 40.016725][ T4922] #1: ffff0000c7439c38 (&q->q_usage_counter(io)#20){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 [ 40.018668][ T4922] #2: ffff0000c7439c70 (&q->q_usage_counter(queue)#4){+.+.}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 [ 40.020727][ T4922] [ 40.020727][ T4922] stack backtrace: [ 40.021726][ T4922] CPU: 1 UID: 0 PID: 4922 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT [ 40.023232][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 40.024918][ T4922] Call trace: [ 40.025462][ T4922] show_stack+0x2c/0x3c (C) [ 40.026204][ T4922] __dump_stack+0x30/0x40 [ 40.026928][ T4922] dump_stack_lvl+0xd8/0x12c [ 40.027673][ T4922] dump_stack+0x1c/0x28 [ 40.028382][ T4922] print_circular_bug+0x328/0x330 [ 40.029242][ T4922] check_noncircular+0x158/0x174 [ 40.030058][ T4922] __lock_acquire+0x17c0/0x2ebc [ 40.030872][ T4922] lock_acquire+0x140/0x364 [ 40.031628][ T4922] down_read+0x58/0x2bc [ 40.032296][ T4922] kernfs_iop_getattr+0x98/0xe0 [ 40.033091][ T4922] vfs_getattr_nosec+0x250/0x388 [ 40.033898][ T4922] vfs_getattr+0x60/0x88 [ 40.034663][ T4922] loop_assign_backing_file+0x200/0x3c0 [ 40.035658][ T4922] lo_ioctl+0x1160/0x167c [ 40.036397][ T4922] blkdev_ioctl+0x574/0x904 [ 40.037319][ T4922] __arm64_sys_ioctl+0x14c/0x1c4 [ 40.038308][ T4922] invoke_syscall+0x98/0x244 [ 40.039128][ T4922] el0_svc_common+0xec/0x23c [ 40.039932][ T4922] do_el0_svc+0x4c/0x5c [ 40.040632][ T4922] el0_svc+0x64/0x260 [ 40.041344][ T4922] el0t_64_sync_handler+0x48/0x148 [ 40.042268][ T4922] el0t_64_sync+0x198/0x19c [ 40.045927][ C1] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 40.047373][ C0] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.047408][ C0] Buffer I/O error on dev loop3, logical block 0, async page read [ 40.047601][ C0] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.047619][ C0] Buffer I/O error on dev loop3, logical block 0, async page read [ 40.052115][ C0] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.052154][ C0] Buffer I/O error on dev loop3, logical block 0, async page read [ 40.052439][ C0] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.052468][ C0] Buffer I/O error on dev loop3, logical block 0, async page read [ 40.052773][ C0] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 40.052802][ C0] Buffer I/O error on dev loop3, logical block 0, async page read