Warning: Permanently added '10.128.1.136' (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://39459 [ 31.244890][ T4724] cgroup: Unknown subsys name 'net' [ 31.394836][ T4724] cgroup: Unknown subsys name 'cpuset' [ 31.396708][ T4724] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.562646][ T4724] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 34.139571][ T4732] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.140003][ T4732] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.140065][ T4732] bridge_slave_0: entered allmulticast mode [ 34.140541][ T4732] bridge_slave_0: entered promiscuous mode [ 34.141962][ T4732] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.141986][ T4732] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.142030][ T4732] bridge_slave_1: entered allmulticast mode [ 34.142538][ T4732] bridge_slave_1: entered promiscuous mode [ 34.149946][ T4732] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 34.151236][ T4732] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 34.157596][ T4732] team0: Port device team_slave_0 added [ 34.158331][ T4732] team0: Port device team_slave_1 added [ 34.164239][ T4732] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 34.164259][ T4732] 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. [ 34.164272][ T4732] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 34.164969][ T4732] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 34.164977][ T4732] 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. [ 34.164991][ T4732] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 34.175095][ T4732] hsr_slave_0: entered promiscuous mode [ 34.175408][ T4732] hsr_slave_1: entered promiscuous mode [ 34.218400][ T4732] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 34.221027][ T4732] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 34.221391][ T4732] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 34.223898][ T4732] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 34.224236][ T4732] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 34.225822][ T4732] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 34.226474][ T4732] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 34.228223][ T4732] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 34.236560][ T4732] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.236604][ T4732] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.236730][ T4732] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.236757][ T4732] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.251904][ T4732] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.256106][ T1923] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.257717][ T1923] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.262121][ T4732] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.265618][ T1923] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.265661][ T1923] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.270011][ T1923] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.270044][ T1923] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.366329][ T4732] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.377822][ T4732] veth0_vlan: entered promiscuous mode [ 34.380890][ T4732] veth1_vlan: entered promiscuous mode [ 34.388279][ T4732] veth0_macvtap: entered promiscuous mode [ 34.389793][ T4732] veth1_macvtap: entered promiscuous mode [ 34.394284][ T4732] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.395432][ T4732] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.397490][ T39] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.399103][ T39] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.402543][ T39] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.405057][ T39] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.446936][ T4732] 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. [ 34.498207][ T40] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.567451][ T40] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.626925][ T40] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.696997][ T40] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.095421][ T4802] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.095935][ T4802] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.096097][ T4802] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.096425][ T4802] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.096622][ T4802] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.362858][ T1917] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.362893][ T1917] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.373230][ T1917] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.374352][ T1917] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 1970/01/01 00:00:35 executed programs: 0 [ 35.589050][ T4802] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.590503][ T4802] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.591745][ T4802] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.592934][ T4802] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.593501][ T4802] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.726573][ T4827] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.726652][ T4827] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.726718][ T4827] bridge_slave_0: entered allmulticast mode [ 35.727174][ T4827] bridge_slave_0: entered promiscuous mode [ 35.728082][ T4827] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.728133][ T4827] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.728200][ T4827] bridge_slave_1: entered allmulticast mode [ 35.728647][ T4827] bridge_slave_1: entered promiscuous mode [ 35.735681][ T4827] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.736672][ T4827] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.743818][ T4827] team0: Port device team_slave_0 added [ 35.745636][ T4827] team0: Port device team_slave_1 added [ 35.751468][ T4827] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.751487][ T4827] 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. [ 35.751502][ T4827] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.752072][ T4827] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.752079][ T4827] 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. [ 35.752094][ T4827] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.763893][ T4827] hsr_slave_0: entered promiscuous mode [ 35.764251][ T4827] hsr_slave_1: entered promiscuous mode [ 35.764492][ T4827] debugfs: 'hsr0' already exists in 'hsr' [ 35.764537][ T4827] Cannot create hsr debugfs directory [ 37.570354][ T40] bridge_slave_1: left allmulticast mode [ 37.570394][ T40] bridge_slave_1: left promiscuous mode [ 37.570632][ T40] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.574585][ T40] bridge_slave_0: left allmulticast mode [ 37.575706][ T40] bridge_slave_0: left promiscuous mode [ 37.577559][ T40] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.623662][ T4802] Bluetooth: hci0: command tx timeout [ 37.638903][ T40] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 37.666805][ T40] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 37.694522][ T40] bond0 (unregistering): Released all slaves [ 37.746737][ T40] hsr_slave_0: left promiscuous mode [ 37.748148][ T40] hsr_slave_1: left promiscuous mode [ 37.750207][ T40] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 37.750245][ T40] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 37.753189][ T40] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 37.753212][ T40] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 37.759795][ T40] veth1_macvtap: left promiscuous mode [ 37.760792][ T40] veth0_macvtap: left promiscuous mode [ 37.761858][ T40] veth1_vlan: left promiscuous mode [ 37.762811][ T40] veth0_vlan: left promiscuous mode [ 37.851587][ T40] team0 (unregistering): Port device team_slave_1 removed [ 37.867219][ T40] team0 (unregistering): Port device team_slave_0 removed [ 37.909199][ T4401] 8021q: adding VLAN 0 to HW filter on device eth0 [ 38.217449][ T4827] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.220220][ T4827] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 38.222441][ T4827] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.229516][ T4827] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 38.229912][ T4827] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.234503][ T4827] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 38.236163][ T4827] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.238758][ T4827] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 38.266857][ T4827] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.272077][ T4827] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.277762][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.277802][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.282860][ T1923] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.282897][ T1923] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.628447][ T4827] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.639645][ T4827] veth0_vlan: entered promiscuous mode [ 38.642404][ T4827] veth1_vlan: entered promiscuous mode [ 38.684533][ T4827] veth0_macvtap: entered promiscuous mode [ 38.685531][ T4827] veth1_macvtap: entered promiscuous mode [ 38.688658][ T4827] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.690151][ T4827] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.693196][ T1923] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.697754][ T39] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.697794][ T39] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.697810][ T39] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.714774][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.716459][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.721888][ T1923] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.721914][ T1923] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.794341][ T4919] loop3: detected capacity change from 0 to 7 [ 38.796012][ C0] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 38.796080][ C0] Buffer I/O error on dev loop3, logical block 0, async page read [ 38.796804][ C1] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 38.796831][ C1] Buffer I/O error on dev loop3, logical block 0, async page read [ 38.796915][ C1] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 38.796946][ C1] Buffer I/O error on dev loop3, logical block 0, async page read [ 38.796999][ C1] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 38.797017][ C1] Buffer I/O error on dev loop3, logical block 0, async page read [ 38.797072][ C1] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 38.797090][ C1] Buffer I/O error on dev loop3, logical block 0, async page read [ 38.797141][ C1] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 38.797165][ C1] Buffer I/O error on dev loop3, logical block 0, async page read [ 38.797218][ C1] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 38.797236][ C1] Buffer I/O error on dev loop3, logical block 0, async page read [ 38.797252][ T4919] ldm_validate_partition_table(): Disk read failed. [ 38.797288][ C1] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 38.797305][ C1] Buffer I/O error on dev loop3, logical block 0, async page read [ 38.797350][ C1] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 38.797367][ C1] Buffer I/O error on dev loop3, logical block 0, async page read [ 38.797412][ C1] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ ** replaying previous printk message ** [ 38.797429][ C1] Buffer I/O error on dev loop3, logical block 0, async page read [ 38.797492][ T4919] Dev loop3: unable to read RDB block 0 [ 38.797682][ T4919] loop3: unable to read partition table [ 38.797734][ T4919] loop3: partition table beyond EOD, truncated [ 38.797749][ T4919] loop_reread_partitions: partition scan of loop3 (Cj̖P=ý?}X %֐ȵ4FLQk݊5) failed (rc=-5) [ 38.825603][ T4919] [ 38.832473][ T4919] ====================================================== [ 38.833552][ T4919] WARNING: possible circular locking dependency detected [ 38.834741][ T4919] syzkaller #0 Not tainted [ 38.835419][ T4919] ------------------------------------------------------ [ 38.836601][ T4919] syz.0.17/4919 is trying to acquire lock: [ 38.837528][ T4919] ffff0000c1919210 (&root->kernfs_iattr_rwsem){++++}-{4:4}, at: kernfs_iop_getattr+0x98/0xe0 [ 38.839136][ T4919] [ 38.839136][ T4919] but task is already holding lock: [ 38.840272][ T4919] ffff0000c7481c38 (&q->q_usage_counter(io)#20){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 [ 38.842113][ T4919] [ 38.842113][ T4919] which lock already depends on the new lock. [ 38.842113][ T4919] [ 38.843767][ T4919] [ 38.843767][ T4919] the existing dependency chain (in reverse order) is: [ 38.845175][ T4919] [ 38.845175][ T4919] -> #2 (&q->q_usage_counter(io)#20){++++}-{0:0}: [ 38.846625][ T4919] blk_alloc_queue+0x488/0x590 [ 38.847470][ T4919] blk_mq_alloc_queue+0x148/0x284 [ 38.848349][ T4919] __blk_mq_alloc_disk+0x38/0x10c [ 38.849236][ T4919] loop_add+0x358/0x8e4 [ 38.849969][ T4919] loop_init+0xe8/0x10c [ 38.850672][ T4919] do_one_initcall+0x274/0xc38 [ 38.851508][ T4919] do_initcall_level+0x12c/0x1c4 [ 38.852378][ T4919] do_initcalls+0x70/0xd0 [ 38.853056][ T4919] do_basic_setup+0x7c/0x90 [ 38.853906][ T4919] kernel_init_freeable+0x268/0x3a8 [ 38.854779][ T4919] kernel_init+0x24/0x1dc [ 38.855532][ T4919] ret_from_fork+0x10/0x20 [ 38.856320][ T4919] [ 38.856320][ T4919] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 38.857440][ T4919] fs_reclaim_acquire+0x90/0x110 [ 38.858277][ T4919] kmem_cache_alloc_noprof+0x60/0x5d8 [ 38.859175][ T4919] __kernfs_iattrs+0xd8/0x310 [ 38.859934][ T4919] __kernfs_setattr+0x48/0x2ac [ 38.860715][ T4919] kernfs_iop_setattr+0xc4/0x11c [ 38.861620][ T4919] notify_change+0x928/0xb7c [ 38.862470][ T4919] do_truncate+0x1a8/0x22c [ 38.863212][ T4919] path_openat+0x2368/0x2a60 [ 38.864045][ T4919] do_file_open+0x1c8/0x2e8 [ 38.864793][ T4919] do_sys_openat2+0x114/0x1e8 [ 38.865654][ T4919] do_sys_open+0xb0/0xe0 [ 38.866378][ T4919] __arm64_sys_openat+0xa0/0xbc [ 38.867258][ T4919] invoke_syscall+0x98/0x244 [ 38.868095][ T4919] el0_svc_common+0xec/0x23c [ 38.868882][ T4919] do_el0_svc+0x4c/0x5c [ 38.869644][ T4919] el0_svc+0x64/0x260 [ 38.870346][ T4919] el0t_64_sync_handler+0x48/0x148 [ 38.871221][ T4919] el0t_64_sync+0x198/0x19c [ 38.871980][ T4919] [ 38.871980][ T4919] -> #0 (&root->kernfs_iattr_rwsem){++++}-{4:4}: [ 38.873372][ T4919] __lock_acquire+0x17c0/0x2ebc [ 38.874197][ T4919] lock_acquire+0x140/0x364 [ 38.874975][ T4919] down_read+0x58/0x2bc [ 38.875779][ T4919] kernfs_iop_getattr+0x98/0xe0 [ 38.876616][ T4919] vfs_getattr_nosec+0x250/0x388 [ 38.877482][ T4919] vfs_getattr+0x60/0x88 [ 38.878196][ T4919] loop_assign_backing_file+0x200/0x3c0 [ 38.879117][ T4919] lo_ioctl+0x1160/0x167c [ 38.879780][ T4919] blkdev_ioctl+0x574/0x904 [ 38.880608][ T4919] __arm64_sys_ioctl+0x14c/0x1c4 [ 38.881496][ T4919] invoke_syscall+0x98/0x244 [ 38.882304][ T4919] el0_svc_common+0xec/0x23c [ 38.883086][ T4919] do_el0_svc+0x4c/0x5c [ 38.883830][ T4919] el0_svc+0x64/0x260 [ 38.884486][ T4919] el0t_64_sync_handler+0x48/0x148 [ 38.885379][ T4919] el0t_64_sync+0x198/0x19c [ 38.886231][ T4919] [ 38.886231][ T4919] other info that might help us debug this: [ 38.886231][ T4919] [ 38.887803][ T4919] Chain exists of: [ 38.887803][ T4919] &root->kernfs_iattr_rwsem --> fs_reclaim --> &q->q_usage_counter(io)#20 [ 38.887803][ T4919] [ 38.889946][ T4919] Possible unsafe locking scenario: [ 38.889946][ T4919] [ 38.891115][ T4919] CPU0 CPU1 [ 38.891926][ T4919] ---- ---- [ 38.892787][ T4919] lock(&q->q_usage_counter(io)#20); [ 38.893651][ T4919] lock(fs_reclaim); [ 38.894628][ T4919] lock(&q->q_usage_counter(io)#20); [ 38.895822][ T4919] rlock(&root->kernfs_iattr_rwsem); [ 38.896601][ T4919] [ 38.896601][ T4919] *** DEADLOCK *** [ 38.896601][ T4919] [ 38.897828][ T4919] 3 locks held by syz.0.17/4919: [ 38.898640][ T4919] #0: ffff0000c75b1430 (&lo->lo_mutex){+.+.}-{4:4}, at: loop_global_lock_killable+0x64/0xbc [ 38.900440][ T4919] #1: ffff0000c7481c38 (&q->q_usage_counter(io)#20){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 [ 38.902456][ T4919] #2: ffff0000c7481c70 (&q->q_usage_counter(queue)#4){+.+.}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x20/0x38 [ 38.904400][ T4919] [ 38.904400][ T4919] stack backtrace: [ 38.905351][ T4919] CPU: 1 UID: 0 PID: 4919 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT [ 38.906720][ T4919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 38.908253][ T4919] Call trace: [ 38.908815][ T4919] show_stack+0x2c/0x3c (C) [ 38.909581][ T4919] __dump_stack+0x30/0x40 [ 38.910242][ T4919] dump_stack_lvl+0xd8/0x12c [ 38.910936][ T4919] dump_stack+0x1c/0x28 [ 38.911583][ T4919] print_circular_bug+0x328/0x330 [ 38.912346][ T4919] check_noncircular+0x158/0x174 [ 38.913093][ T4919] __lock_acquire+0x17c0/0x2ebc [ 38.913918][ T4919] lock_acquire+0x140/0x364 [ 38.914694][ T4919] down_read+0x58/0x2bc [ 38.915374][ T4919] kernfs_iop_getattr+0x98/0xe0 [ 38.916166][ T4919] vfs_getattr_nosec+0x250/0x388 [ 38.916927][ T4919] vfs_getattr+0x60/0x88 [ 38.917693][ T4919] loop_assign_backing_file+0x200/0x3c0 [ 38.918562][ T4919] lo_ioctl+0x1160/0x167c [ 38.919235][ T4919] blkdev_ioctl+0x574/0x904 [ 38.919940][ T4919] __arm64_sys_ioctl+0x14c/0x1c4 [ 38.920794][ T4919] invoke_syscall+0x98/0x244 [ 38.921591][ T4919] el0_svc_common+0xec/0x23c [ 38.922285][ T4919] do_el0_svc+0x4c/0x5c [ 38.922945][ T4919] el0_svc+0x64/0x260 [ 38.923617][ T4919] el0t_64_sync_handler+0x48/0x148 [ 38.924417][ T4919] el0t_64_sync+0x198/0x19c [ 38.930587][ T4919] ldm_validate_partition_table(): Disk read failed. [ 38.932010][ T4919] Dev loop3: unable to read RDB block 0 [ 38.933220][ T4919] loop3: unable to read partition table [ 38.933285][ T4919] loop3: partition table beyond EOD, truncated [ 38.936503][ T4919] loop_reread_partitions: partition scan of loop3 (Cj̖P=ý?}X %֐ȵ4FLQk݊5) failed (rc=-5)