Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts. 2026/05/02 14:41:17 parsed 1 programs [ 70.596246][ T5635] cgroup: Unknown subsys name 'net' [ 70.731406][ T5635] cgroup: Unknown subsys name 'cpuset' [ 70.741204][ T5635] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 71.409886][ T1314] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.416950][ T1314] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.222147][ T5635] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 74.996159][ T5643] 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. [ 76.433941][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.442462][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.475074][ T83] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.484149][ T83] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.246847][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 77.256514][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 77.264328][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 77.273883][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 77.281622][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.268299][ T5715] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.276123][ T5715] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.284225][ T5715] bridge_slave_0: entered allmulticast mode [ 78.292598][ T5715] bridge_slave_0: entered promiscuous mode [ 78.304460][ T5715] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.311696][ T5715] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.318946][ T5715] bridge_slave_1: entered allmulticast mode [ 78.325780][ T5715] bridge_slave_1: entered promiscuous mode [ 78.351145][ T5715] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.362313][ T5715] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.387967][ T5715] team0: Port device team_slave_0 added [ 78.395342][ T5715] team0: Port device team_slave_1 added [ 78.417965][ T5715] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.424945][ T5715] 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. [ 78.450850][ T5715] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.463416][ T5715] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.470446][ T5715] 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. [ 78.496361][ T5715] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.534020][ T5715] hsr_slave_0: entered promiscuous mode [ 78.540682][ T5715] hsr_slave_1: entered promiscuous mode [ 78.661744][ T5715] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.674569][ T5715] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 78.682858][ T5715] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.693473][ T5715] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 78.701395][ T5715] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.711777][ T5715] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 78.719744][ T5715] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.731925][ T5715] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 78.760109][ T5715] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.767281][ T5715] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.775452][ T5715] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.782627][ T5715] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.840022][ T5715] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.862708][ T147] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.872394][ T147] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.888893][ T5715] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.902953][ T1331] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.910103][ T1331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.923193][ T1331] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.930334][ T1331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.220325][ T5715] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.270967][ T5715] veth0_vlan: entered promiscuous mode [ 79.283290][ T5715] veth1_vlan: entered promiscuous mode [ 79.315231][ T5715] veth0_macvtap: entered promiscuous mode [ 79.325753][ T5715] veth1_macvtap: entered promiscuous mode [ 79.344598][ T5715] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.360211][ T5715] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.375730][ T147] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.386617][ T147] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.396467][ T147] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.405420][ T147] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.545381][ T1331] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.659351][ T1331] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.769620][ T1331] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.893619][ T1331] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/05/02 14:41:29 executed programs: 0 [ 80.312515][ T4942] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 80.322115][ T4942] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 80.330526][ T4942] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 80.340283][ T4942] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 80.348001][ T4942] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 80.721778][ T5763] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.729012][ T5763] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.736195][ T5763] bridge_slave_0: entered allmulticast mode [ 80.743371][ T5763] bridge_slave_0: entered promiscuous mode [ 80.751204][ T5763] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.758681][ T5763] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.765860][ T5763] bridge_slave_1: entered allmulticast mode [ 80.773644][ T5763] bridge_slave_1: entered promiscuous mode [ 80.803661][ T5763] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.815571][ T5763] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.846229][ T5763] team0: Port device team_slave_0 added [ 80.855126][ T5763] team0: Port device team_slave_1 added [ 80.884754][ T5763] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.891884][ T5763] 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. [ 80.918156][ T5763] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.932154][ T5763] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.939366][ T5763] 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. [ 80.965986][ T5763] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.016192][ T5763] hsr_slave_0: entered promiscuous mode [ 81.023207][ T5763] hsr_slave_1: entered promiscuous mode [ 81.029991][ T5763] debugfs: 'hsr0' already exists in 'hsr' [ 81.036386][ T5763] Cannot create hsr debugfs directory [ 81.654705][ T1222] cfg80211: failed to load regulatory.db [ 81.870998][ T1331] bridge_slave_1: left allmulticast mode [ 81.877336][ T1331] bridge_slave_1: left promiscuous mode [ 81.884887][ T1331] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.896863][ T1331] bridge_slave_0: left allmulticast mode [ 81.902929][ T1331] bridge_slave_0: left promiscuous mode [ 81.909268][ T1331] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.082178][ T1331] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 82.093343][ T1331] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 82.103176][ T1331] bond0 (unregistering): Released all slaves [ 82.241025][ T1331] hsr_slave_0: left promiscuous mode [ 82.247276][ T1331] hsr_slave_1: left promiscuous mode [ 82.261024][ T1331] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 82.270398][ T1331] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 82.279190][ T1331] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 82.286633][ T1331] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 82.305047][ T1331] veth1_macvtap: left promiscuous mode [ 82.312658][ T1331] veth0_macvtap: left promiscuous mode [ 82.319045][ T1331] veth1_vlan: left promiscuous mode [ 82.326886][ T1331] veth0_vlan: left promiscuous mode [ 82.375920][ T4942] Bluetooth: hci0: command tx timeout [ 82.631132][ T1331] team0 (unregistering): Port device team_slave_1 removed [ 82.644831][ T1331] team0 (unregistering): Port device team_slave_0 removed [ 82.747398][ T5287] 8021q: adding VLAN 0 to HW filter on device eth1 [ 83.029372][ T5763] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.044128][ T5763] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 83.054942][ T5763] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.069527][ T5763] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 83.080383][ T5763] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.096704][ T5763] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 83.110685][ T5763] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.121058][ T5763] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 83.226079][ T5763] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.348878][ T5763] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.363460][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.370671][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.391159][ T147] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.398385][ T147] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.909765][ T5763] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.950479][ T5763] veth0_vlan: entered promiscuous mode [ 83.962034][ T5763] veth1_vlan: entered promiscuous mode [ 83.987332][ T5763] veth0_macvtap: entered promiscuous mode [ 83.996585][ T5763] veth1_macvtap: entered promiscuous mode [ 84.015185][ T5763] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.033393][ T5763] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.047513][ T147] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.058619][ T147] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.070103][ T147] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.078995][ T147] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.137409][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.148434][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.173100][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.182384][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.225444][ T5838] block nbd0: not configured, cannot reconfigure [ 84.457795][ T4942] Bluetooth: hci0: command tx timeout [ 84.517917][ T5838] nbd0: detected capacity change from 0 to 63 [ 84.525902][ T5839] block nbd0: Receive control failed (result -32) [ 84.529292][ T50] block nbd0: Receive control failed (result -104) [ 84.532562][ T5703] block nbd0: Receive control failed (result -32) [ 84.533793][ T4942] block nbd0: Receive control failed (result -32) [ 84.579513][ T5841] block nbd0: reconnected socket [ 84.759255][ T5841] [ 84.761621][ T5841] ====================================================== [ 84.768620][ T5841] WARNING: possible circular locking dependency detected [ 84.775629][ T5841] syzkaller #0 Not tainted [ 84.780040][ T5841] ------------------------------------------------------ [ 84.787059][ T5841] syz.0.18/5841 is trying to acquire lock: [ 84.792851][ T5841] ffff8880270dbd68 (&q->elevator_lock){+.+.}-{4:4}, at: elevator_change+0x1b3/0x450 [ 84.802257][ T5841] [ 84.802257][ T5841] but task is already holding lock: [ 84.809615][ T5841] ffff8880270db840 (&q->q_usage_counter(io)#50){++++}-{0:0}, at: elevator_change+0x198/0x450 [ 84.819802][ T5841] [ 84.819802][ T5841] which lock already depends on the new lock. [ 84.819802][ T5841] [ 84.830189][ T5841] [ 84.830189][ T5841] the existing dependency chain (in reverse order) is: [ 84.839190][ T5841] [ 84.839190][ T5841] -> #6 (&q->q_usage_counter(io)#50){++++}-{0:0}: [ 84.847787][ T5841] blk_alloc_queue+0x546/0x680 [ 84.853069][ T5841] __blk_mq_alloc_disk+0x197/0x390 [ 84.858691][ T5841] nbd_dev_add+0x499/0xb50 [ 84.863624][ T5841] nbd_init+0x168/0x1f0 [ 84.868301][ T5841] do_one_initcall+0x250/0x870 [ 84.873578][ T5841] do_initcall_level+0x104/0x190 [ 84.879040][ T5841] do_initcalls+0x59/0xa0 [ 84.883885][ T5841] kernel_init_freeable+0x2a6/0x3e0 [ 84.889597][ T5841] kernel_init+0x1d/0x1d0 [ 84.894439][ T5841] ret_from_fork+0x514/0xb70 [ 84.899531][ T5841] ret_from_fork_asm+0x1a/0x30 [ 84.904802][ T5841] [ 84.904802][ T5841] -> #5 (fs_reclaim){+.+.}-{0:0}: [ 84.912000][ T5841] fs_reclaim_acquire+0x71/0x100 [ 84.917449][ T5841] __kmalloc_cache_node_noprof+0x46/0x6b0 [ 84.923675][ T5841] create_worker+0x113/0x7e0 [ 84.928799][ T5841] workqueue_prepare_cpu+0xe4/0x170 [ 84.934511][ T5841] cpuhp_invoke_callback+0x445/0x860 [ 84.940307][ T5841] _cpu_up+0x2ce/0x5b0 [ 84.944877][ T5841] cpu_up+0x1d2/0x220 [ 84.949367][ T5841] cpuhp_bringup_mask+0xb2/0x1a0 [ 84.954812][ T5841] cpuhp_bringup_cpus_parallel+0x109/0x120 [ 84.961137][ T5841] bringup_nonboot_cpus+0x17/0x30 [ 84.966700][ T5841] smp_init+0x32/0x110 [ 84.971310][ T5841] kernel_init_freeable+0x288/0x3e0 [ 84.977036][ T5841] kernel_init+0x1d/0x1d0 [ 84.981899][ T5841] ret_from_fork+0x514/0xb70 [ 84.987006][ T5841] ret_from_fork_asm+0x1a/0x30 [ 84.992286][ T5841] [ 84.992286][ T5841] -> #4 (cpu_hotplug_lock){++++}-{0:0}: [ 85.000016][ T5841] cpus_read_lock+0x42/0x160 [ 85.005287][ T5841] static_key_slow_inc+0x12/0x30 [ 85.010741][ T5841] nbd_genl_reconfigure+0x132f/0x1ea0 [ 85.016706][ T5841] genl_family_rcv_msg_doit+0x22a/0x330 [ 85.022764][ T5841] genl_rcv_msg+0x61c/0x7a0 [ 85.027811][ T5841] netlink_rcv_skb+0x232/0x4b0 [ 85.033136][ T5841] genl_rcv+0x28/0x40 [ 85.037635][ T5841] netlink_unicast+0x75c/0x8e0 [ 85.042906][ T5841] netlink_sendmsg+0x813/0xb40 [ 85.048180][ T5841] ____sys_sendmsg+0x972/0x9f0 [ 85.053547][ T5841] ___sys_sendmsg+0x2a5/0x360 [ 85.058729][ T5841] __x64_sys_sendmsg+0x1bd/0x2a0 [ 85.064182][ T5841] do_syscall_64+0x15f/0xf80 [ 85.069301][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.075707][ T5841] [ 85.075707][ T5841] -> #3 (&nsock->tx_lock){+.+.}-{4:4}: [ 85.083353][ T5841] __mutex_lock+0x1a3/0x1550 [ 85.088465][ T5841] nbd_queue_rq+0x37b/0x1100 [ 85.093579][ T5841] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 85.099654][ T5841] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 85.106505][ T5841] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 85.112997][ T5841] blk_mq_run_hw_queue+0x348/0x4f0 [ 85.118621][ T5841] blk_mq_dispatch_list+0xd16/0xe10 [ 85.124340][ T5841] blk_mq_flush_plug_list+0x48d/0x570 [ 85.130223][ T5841] __blk_flush_plug+0x3ed/0x4d0 [ 85.135584][ T5841] __submit_bio+0x28d/0x580 [ 85.140596][ T5841] submit_bio_noacct_nocheck+0x2f4/0xa40 [ 85.146738][ T5841] block_read_full_folio+0x599/0x830 [ 85.153682][ T5841] filemap_read_folio+0x137/0x3b0 [ 85.159236][ T5841] do_read_cache_folio+0x358/0x590 [ 85.164867][ T5841] read_part_sector+0xb6/0x2b0 [ 85.170151][ T5841] adfspart_check_ICS+0xb1/0x960 [ 85.175614][ T5841] bdev_disk_changed+0x817/0x1770 [ 85.181152][ T5841] blkdev_get_whole+0x380/0x510 [ 85.186519][ T5841] bdev_open+0x31e/0xd30 [ 85.191281][ T5841] blkdev_open+0x470/0x610 [ 85.196200][ T5841] do_dentry_open+0x785/0x14e0 [ 85.201469][ T5841] vfs_open+0x3b/0x340 [ 85.206049][ T5841] path_openat+0x2e08/0x3860 [ 85.211153][ T5841] do_file_open+0x23e/0x4a0 [ 85.216167][ T5841] do_sys_openat2+0x113/0x200 [ 85.221347][ T5841] __x64_sys_openat+0x138/0x170 [ 85.226704][ T5841] do_syscall_64+0x15f/0xf80 [ 85.231800][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.238202][ T5841] [ 85.238202][ T5841] -> #2 (&cmd->lock){+.+.}-{4:4}: [ 85.245429][ T5841] __mutex_lock+0x1a3/0x1550 [ 85.250530][ T5841] nbd_queue_rq+0xc6/0x1100 [ 85.255537][ T5841] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 85.261600][ T5841] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 85.268529][ T5841] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 85.275050][ T5841] blk_mq_run_hw_queue+0x348/0x4f0 [ 85.280691][ T5841] blk_mq_dispatch_list+0xd16/0xe10 [ 85.286406][ T5841] blk_mq_flush_plug_list+0x48d/0x570 [ 85.292292][ T5841] __blk_flush_plug+0x3ed/0x4d0 [ 85.297657][ T5841] __submit_bio+0x28d/0x580 [ 85.302671][ T5841] submit_bio_noacct_nocheck+0x2f4/0xa40 [ 85.308830][ T5841] block_read_full_folio+0x599/0x830 [ 85.314621][ T5841] filemap_read_folio+0x137/0x3b0 [ 85.320158][ T5841] do_read_cache_folio+0x358/0x590 [ 85.325783][ T5841] read_part_sector+0xb6/0x2b0 [ 85.331059][ T5841] adfspart_check_ICS+0xb1/0x960 [ 85.336597][ T5841] bdev_disk_changed+0x817/0x1770 [ 85.342129][ T5841] blkdev_get_whole+0x380/0x510 [ 85.347490][ T5841] bdev_open+0x31e/0xd30 [ 85.352249][ T5841] blkdev_open+0x470/0x610 [ 85.357168][ T5841] do_dentry_open+0x785/0x14e0 [ 85.362439][ T5841] vfs_open+0x3b/0x340 [ 85.367012][ T5841] path_openat+0x2e08/0x3860 [ 85.372112][ T5841] do_file_open+0x23e/0x4a0 [ 85.377141][ T5841] do_sys_openat2+0x113/0x200 [ 85.382324][ T5841] __x64_sys_openat+0x138/0x170 [ 85.387687][ T5841] do_syscall_64+0x15f/0xf80 [ 85.392790][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.399199][ T5841] [ 85.399199][ T5841] -> #1 (set->srcu){.+.+}-{0:0}: [ 85.406310][ T5841] __synchronize_srcu+0xca/0x300 [ 85.411751][ T5841] elevator_switch+0x1e8/0x7a0 [ 85.417027][ T5841] elevator_change+0x2cc/0x450 [ 85.422303][ T5841] elevator_set_default+0x36c/0x430 [ 85.428009][ T5841] blk_register_queue+0x3e9/0x4e0 [ 85.433543][ T5841] __add_disk+0x677/0xd50 [ 85.438376][ T5841] add_disk_fwnode+0xfb/0x480 [ 85.443566][ T5841] nbd_dev_add+0x72c/0xb50 [ 85.448503][ T5841] nbd_init+0x168/0x1f0 [ 85.453168][ T5841] do_one_initcall+0x250/0x870 [ 85.458461][ T5841] do_initcall_level+0x104/0x190 [ 85.463907][ T5841] do_initcalls+0x59/0xa0 [ 85.468751][ T5841] kernel_init_freeable+0x2a6/0x3e0 [ 85.474473][ T5841] kernel_init+0x1d/0x1d0 [ 85.479322][ T5841] ret_from_fork+0x514/0xb70 [ 85.484418][ T5841] ret_from_fork_asm+0x1a/0x30 [ 85.489692][ T5841] [ 85.489692][ T5841] -> #0 (&q->elevator_lock){+.+.}-{4:4}: [ 85.497504][ T5841] __lock_acquire+0x15a5/0x2cf0 [ 85.502869][ T5841] lock_acquire+0x106/0x350 [ 85.507878][ T5841] __mutex_lock+0x1a3/0x1550 [ 85.512985][ T5841] elevator_change+0x1b3/0x450 [ 85.518268][ T5841] elevator_set_none+0xb5/0x140 [ 85.523631][ T5841] blk_mq_update_nr_hw_queues+0x5e7/0x1a60 [ 85.529941][ T5841] nbd_start_device+0x17f/0xb10 [ 85.535298][ T5841] nbd_genl_connect+0x165b/0x1cf0 [ 85.540839][ T5841] genl_family_rcv_msg_doit+0x22a/0x330 [ 85.546897][ T5841] genl_rcv_msg+0x61c/0x7a0 [ 85.551912][ T5841] netlink_rcv_skb+0x232/0x4b0 [ 85.557189][ T5841] genl_rcv+0x28/0x40 [ 85.561687][ T5841] netlink_unicast+0x75c/0x8e0 [ 85.566959][ T5841] netlink_sendmsg+0x813/0xb40 [ 85.572354][ T5841] ____sys_sendmsg+0x972/0x9f0 [ 85.577688][ T5841] ___sys_sendmsg+0x2a5/0x360 [ 85.582888][ T5841] __x64_sys_sendmsg+0x1bd/0x2a0 [ 85.588357][ T5841] do_syscall_64+0x15f/0xf80 [ 85.593458][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.599860][ T5841] [ 85.599860][ T5841] other info that might help us debug this: [ 85.599860][ T5841] [ 85.610072][ T5841] Chain exists of: [ 85.610072][ T5841] &q->elevator_lock --> fs_reclaim --> &q->q_usage_counter(io)#50 [ 85.610072][ T5841] [ 85.623800][ T5841] Possible unsafe locking scenario: [ 85.623800][ T5841] [ 85.631233][ T5841] CPU0 CPU1 [ 85.636580][ T5841] ---- ---- [ 85.641925][ T5841] lock(&q->q_usage_counter(io)#50); [ 85.647291][ T5841] lock(fs_reclaim); [ 85.653779][ T5841] lock(&q->q_usage_counter(io)#50); [ 85.661660][ T5841] lock(&q->elevator_lock); [ 85.666237][ T5841] [ 85.666237][ T5841] *** DEADLOCK *** [ 85.666237][ T5841] [ 85.674360][ T5841] 6 locks held by syz.0.18/5841: [ 85.679275][ T5841] #0: ffffffff8fe3e7c8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 85.687452][ T5841] #1: ffffffff8fe3e600 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0 [ 85.696409][ T5841] #2: ffff8880270d01c0 (&set->update_nr_hwq_lock){++++}-{4:4}, at: blk_mq_update_nr_hw_queues+0xad/0x1a60 [ 85.707792][ T5841] #3: ffff8880270d00d0 (&set->tag_list_lock){+.+.}-{4:4}, at: blk_mq_update_nr_hw_queues+0xc0/0x1a60 [ 85.718738][ T5841] #4: ffff8880270db840 (&q->q_usage_counter(io)#50){++++}-{0:0}, at: elevator_change+0x198/0x450 [ 85.729345][ T5841] #5: ffff8880270db878 (&q->q_usage_counter(queue)#34){+.+.}-{0:0}, at: elevator_change+0x198/0x450 [ 85.740218][ T5841] [ 85.740218][ T5841] stack backtrace: [ 85.746101][ T5841] CPU: 0 UID: 0 PID: 5841 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full) [ 85.746117][ T5841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 85.746132][ T5841] Call Trace: [ 85.746143][ T5841] [ 85.746149][ T5841] dump_stack_lvl+0xe8/0x150 [ 85.746166][ T5841] print_circular_bug+0x2e1/0x300 [ 85.746185][ T5841] check_noncircular+0x12e/0x150 [ 85.746204][ T5841] __lock_acquire+0x15a5/0x2cf0 [ 85.746225][ T5841] ? elevator_change+0x1b3/0x450 [ 85.746242][ T5841] lock_acquire+0x106/0x350 [ 85.746255][ T5841] ? elevator_change+0x1b3/0x450 [ 85.746277][ T5841] __mutex_lock+0x1a3/0x1550 [ 85.746295][ T5841] ? elevator_change+0x1b3/0x450 [ 85.746314][ T5841] ? rcu_is_watching+0x15/0xb0 [ 85.746331][ T5841] ? work_grab_pending+0x3d1/0x990 [ 85.746346][ T5841] ? elevator_change+0x1b3/0x450 [ 85.746364][ T5841] ? __pfx___mutex_lock+0x10/0x10 [ 85.746380][ T5841] ? enable_work+0x17f/0x230 [ 85.746395][ T5841] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.746412][ T5841] ? __cancel_work_sync+0xf7/0x110 [ 85.746428][ T5841] ? blk_mq_cancel_work_sync+0xa5/0xe0 [ 85.746449][ T5841] elevator_change+0x1b3/0x450 [ 85.746470][ T5841] elevator_set_none+0xb5/0x140 [ 85.746488][ T5841] ? __pfx_elevator_set_none+0x10/0x10 [ 85.746507][ T5841] ? xa_load+0x1db/0x210 [ 85.746530][ T5841] blk_mq_update_nr_hw_queues+0x5e7/0x1a60 [ 85.746548][ T5841] ? kernfs_add_one+0x477/0x5c0 [ 85.746566][ T5841] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10 [ 85.746583][ T5841] ? sysfs_add_file_mode_ns+0x259/0x300 [ 85.746599][ T5841] nbd_start_device+0x17f/0xb10 [ 85.746614][ T5841] ? device_create_file+0xf4/0x1b0 [ 85.746629][ T5841] nbd_genl_connect+0x165b/0x1cf0 [ 85.746641][ T5841] ? __pfx___nla_validate_parse+0x10/0x10 [ 85.746664][ T5841] ? __pfx_nbd_genl_connect+0x10/0x10 [ 85.746678][ T5841] ? rcu_is_watching+0x15/0xb0 [ 85.746693][ T5841] ? trace_kmalloc+0x2a/0xf0 [ 85.746712][ T5841] ? __nla_parse+0x40/0x60 [ 85.746730][ T5841] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 85.746752][ T5841] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 85.746774][ T5841] genl_family_rcv_msg_doit+0x22a/0x330 [ 85.746797][ T5841] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 85.746820][ T5841] ? __lock_acquire+0x6b5/0x2cf0 [ 85.746836][ T5841] genl_rcv_msg+0x61c/0x7a0 [ 85.746857][ T5841] ? __pfx_genl_rcv_msg+0x10/0x10 [ 85.746876][ T5841] ? __pfx_nbd_genl_connect+0x10/0x10 [ 85.746892][ T5841] netlink_rcv_skb+0x232/0x4b0 [ 85.746908][ T5841] ? __pfx_genl_rcv_msg+0x10/0x10 [ 85.746927][ T5841] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 85.746947][ T5841] ? down_read+0x270/0x2e0 [ 85.746964][ T5841] ? genl_rcv+0xd/0x40 [ 85.746982][ T5841] genl_rcv+0x28/0x40 [ 85.747000][ T5841] netlink_unicast+0x75c/0x8e0 [ 85.747017][ T5841] netlink_sendmsg+0x813/0xb40 [ 85.747035][ T5841] ? __pfx_netlink_sendmsg+0x10/0x10 [ 85.747052][ T5841] ? page_table_check_set+0x126/0x510 [ 85.747070][ T5841] ? lock_acquire+0x106/0x350 [ 85.747082][ T5841] ? aa_sock_msg_perm+0xf1/0x1b0 [ 85.747099][ T5841] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 85.747118][ T5841] ____sys_sendmsg+0x972/0x9f0 [ 85.747135][ T5841] ? __might_fault+0xaf/0x130 [ 85.747153][ T5841] ? __pfx_____sys_sendmsg+0x10/0x10 [ 85.747172][ T5841] ? import_iovec+0x73/0xa0 [ 85.747191][ T5841] ___sys_sendmsg+0x2a5/0x360 [ 85.747209][ T5841] ? __pfx____sys_sendmsg+0x10/0x10 [ 85.747227][ T5841] ? futex_hash_put+0x4b/0x60 [ 85.747240][ T5841] ? futex_wake+0x4ac/0x580 [ 85.747269][ T5841] __x64_sys_sendmsg+0x1bd/0x2a0 [ 85.747287][ T5841] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 85.747310][ T5841] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.747324][ T5841] do_syscall_64+0x15f/0xf80 [ 85.747340][ T5841] ? trace_irq_disable+0x3b/0x140 [ 85.747359][ T5841] ? clear_bhb_loop+0x40/0x90 [ 85.747374][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.747387][ T5841] RIP: 0033:0x7f80b839cdd9 [ 85.747404][ T5841] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 85.747415][ T5841] RSP: 002b:00007ffc7ab67de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.747429][ T5841] RAX: ffffffffffffffda RBX: 00007f80b8615fa0 RCX: 00007f80b839cdd9 [ 85.747439][ T5841] RDX: 0000000020000000 RSI: 0000200000001ac0 RDI: 0000000000000007 [ 85.747448][ T5841] RBP: 00007f80b8432d69 R08: 0000000000000000 R09: 0000000000000000 [ 85.747457][ T5841] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.747465][ T5841] R13: 00007f80b8615fac R14: 00007f80b8615fa0 R15: 00007f80b8615fa0 [ 85.747479][ T5841] [ 86.317744][ T5841] nbd1: detected capacity change from 0 to 63 [ 86.324612][ T4942] block nbd0: Receive control failed (result -32) [ 86.325149][ T5644] block nbd1: Send control failed (result -32) [ 86.331478][ T5840] block nbd1: Receive control failed (result -32) [ 86.337277][ T5703] block nbd1: Receive control failed (result -32) [ 86.344048][ T5839] block nbd1: Receive control failed (result -32) [ 86.350411][ T5644] block nbd1: Request send failed, requeueing [ 86.356737][ T50] block nbd1: Receive control failed (result -32) [ 86.369760][ T4957] block nbd1: Dead connection, failed to find a fallback [ 86.376944][ T4957] block nbd1: shutting down sockets [ 86.379285][ T5644] I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 86.391525][ T5644] Buffer I/O error on dev nbd1, logical block 1, async page read [ 86.393890][ T4957] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 86.399641][ T5644] I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 2026/05/02 14:41:35 executed programs: 4 [ 86.409231][ T4957] Buffer I/O error on dev nbd1, logical block 0, async page read [ 86.422975][ T5644] Buffer I/O error on dev nbd1, logical block 2, async page read [ 86.433211][ T5644] I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 86.436576][ T5843] block nbd0: reconnected socket [ 86.442342][ T5644] Buffer I/O error on dev nbd1, logical block 3, async page read [ 86.442491][ T5644] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 86.442511][ T5644] Buffer I/O error on dev nbd1, logical block 0, async page read [ 86.472088][ T5644] I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 86.481727][ T5644] Buffer I/O error on dev nbd1, logical block 1, async page read [ 86.490205][ T5644] I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 86.499765][ T5644] Buffer I/O error on dev nbd1, logical block 2, async page read [ 86.507729][ T5644] I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 86.516954][ T5644] Buffer I/O error on dev nbd1, logical block 3, async page read [ 86.525033][ T5644] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 86.534193][ T5839] Bluetooth: hci0: command tx timeout [ 86.534197][ T5644] Buffer I/O error on dev nbd1, logical block 0, async page read [ 86.534333][ T5644] I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 86.556419][ T5644] Buffer I/O error on dev nbd1, logical block 1, async page read [ 86.565262][ T5644] ldm_validate_partition_table(): Disk read failed. [ 86.572595][ T5644] Dev nbd1: unable to read RDB block 0 [ 86.578920][ T5644] nbd1: unable to read partition table [ 86.587403][ T5644] ldm_validate_partition_table(): Disk read failed. [ 86.594729][ T5644] Dev nbd1: unable to read RDB block 0 [ 86.601571][ T5644] nbd1: unable to read partition table [ 86.717691][ T5843] nbd2: detected capacity change from 0 to 63 [ 86.724247][ T4942] block nbd2: Receive control failed (result -32) [ 86.724832][ T5703] block nbd2: Receive control failed (result -104) [ 86.730752][ T5840] block nbd2: Receive control failed (result -32) [ 86.730815][ T5839] block nbd2: Receive control failed (result -32) [ 86.738510][ T50] block nbd0: Receive control failed (result -32) [ 86.771992][ T5844] block nbd0: reconnected socket [ 87.067680][ T5844] nbd3: detected capacity change from 0 to 63 [ 87.074105][ T5840] block nbd3: Receive control failed (result -32) [ 87.074216][ T5703] block nbd3: Receive control failed (result -32) [ 87.080620][ T4942] block nbd3: Receive control failed (result -32) [ 87.087810][ T50] block nbd0: Receive control failed (result -32) [ 87.093557][ T5839] block nbd3: Receive control failed (result -32) [ 87.108064][ T5661] block nbd3: Dead connection, failed to find a fallback [ 87.120328][ T5845] block nbd0: reconnected socket [ 87.125203][ T5661] block nbd3: shutting down sockets [ 87.133344][ T5661] ldm_validate_partition_table(): Disk read failed. [ 87.141251][ T5661] Dev nbd3: unable to read RDB block 0 [ 87.147838][ T5661] nbd3: unable to read partition table [ 87.156762][ T5661] ldm_validate_partition_table(): Disk read failed. [ 87.164986][ T5661] Dev nbd3: unable to read RDB block 0 [ 87.171560][ T5661] nbd3: unable to read partition table [ 87.377675][ T5845] nbd4: detected capacity change from 0 to 63 [ 87.384053][ T5703] block nbd4: Receive control failed (result -32) [ 87.384471][ T5840] block nbd4: Receive control failed (result -32) [ 87.390590][ T50] block nbd4: Receive control failed (result -32) [ 87.396973][ T4942] block nbd4: Receive control failed (result -32) [ 87.403938][ T5661] block nbd4: Send control failed (result -32) [ 87.411588][ T5839] block nbd0: Receive control failed (result -32) [ 87.416442][ T5661] block nbd4: Request send failed, requeueing [ 87.429405][ T4957] block nbd4: Dead connection, failed to find a fallback [ 87.437190][ T4957] block nbd4: shutting down sockets [ 87.444883][ T5661] ldm_validate_partition_table(): Disk read failed. [ 87.452733][ T5661] Dev nbd4: unable to read RDB block 0 [ 87.461641][ T5847] block nbd0: reconnected socket [ 87.462635][ T5661] nbd4: unable to read partition table [ 87.477311][ T5661] ldm_validate_partition_table(): Disk read failed. [ 87.485148][ T5661] Dev nbd4: unable to read RDB block 0 [ 87.492249][ T5661] nbd4: unable to read partition table [ 87.717747][ T5847] nbd5: detected capacity change from 0 to 63 [ 87.724143][ T5703] block nbd5: Receive control failed (result -32) [ 87.730598][ T50] block nbd5: Receive control failed (result -104) [ 87.730673][ T4942] block nbd5: Receive control failed (result -32) [ 87.737139][ T5840] block nbd0: Receive control failed (result -32) [ 87.750109][ T5839] block nbd5: Receive control failed (result -32) [ 87.763928][ T5848] block nbd0: reconnected socket [ 88.037766][ T5848] nbd6: detected capacity change from 0 to 63 [ 88.044169][ T50] block nbd6: Receive control failed (result -32) [ 88.045199][ T4942] block nbd6: Receive control failed (result -104) [ 88.050765][ T5703] block nbd6: Receive control failed (result -32) [ 88.051342][ T5840] block nbd0: Receive control failed (result -32) [ 88.057426][ T5839] block nbd6: Receive control failed (result -32) [ 88.087736][ T5849] block nbd0: reconnected socket [ 88.417794][ T5849] nbd7: detected capacity change from 0 to 63 [ 88.424229][ T5703] block nbd7: Receive control failed (result -32) [ 88.424421][ T5839] block nbd7: Receive control failed (result -32) [ 88.430837][ T5840] block nbd7: Receive control failed (result -32) [ 88.438084][ T4942] block nbd0: Receive control failed (result -32) [ 88.444389][ T50] block nbd7: Receive control failed (result -32) [ 88.463995][ T5850] block nbd7: Dead connection, failed to find a fallback [ 88.477923][ T5850] block nbd7: shutting down sockets [ 88.485770][ T5850] ldm_validate_partition_table(): Disk read failed. [ 88.498762][ T5851] block nbd0: reconnected socket [ 88.512938][ T5850] Dev nbd7: unable to read RDB block 0 [ 88.520753][ T5850] nbd7: unable to read partition table [ 88.530277][ T5850] ldm_validate_partition_table(): Disk read failed. [ 88.538354][ T5850] Dev nbd7: unable to read RDB block 0 [ 88.544521][ T5850] nbd7: unable to read partition table [ 88.607679][ T5840] Bluetooth: hci0: command tx timeout [ 88.787759][ T5851] nbd8: detected capacity change from 0 to 63 [ 88.794117][ T5839] block nbd8: Receive control failed (result -32) [ 88.795227][ T5703] block nbd8: Receive control failed (result -104) [ 88.800628][ T4942] block nbd8: Receive control failed (result -32) [ 88.807180][ T5840] block nbd8: Receive control failed (result -32) [ 88.820173][ T50] block nbd0: Receive control failed (result -32) [ 88.837369][ T5853] block nbd0: reconnected socket [ 89.077707][ T5853] nbd9: detected capacity change from 0 to 63 [ 89.084153][ T5839] block nbd9: Receive control failed (result -32) [ 89.085122][ T4942] block nbd9: Receive control failed (result -104) [ 89.090700][ T5703] block nbd9: Receive control failed (result -32) [ 89.097191][ T50] block nbd9: Receive control failed (result -32) [ 89.104507][ T5840] block nbd0: Receive control failed (result -32) [ 89.130068][ T5854] block nbd0: reconnected socket [ 89.448116][ T5839] block nbd10: Receive control failed (result -32) [ 89.449659][ T4942] block nbd10: Receive control failed (result -104) [ 89.454726][ T5703] block nbd10: Receive control failed (result -32) [ 89.462061][ T50] block nbd10: Receive control failed (result -32) [ 89.468377][ T5840] block nbd0: Receive control failed (result -32) [ 89.493676][ T5856] block nbd0: reconnected socket [ 89.788152][ T5856] set_capacity_and_notify: 1 callbacks suppressed [ 89.788170][ T5856] nbd11: detected capacity change from 0 to 63 [ 89.801422][ T4942] block nbd11: Receive control failed (result -32) [ 89.802498][ T5839] block nbd11: Receive control failed (result -104) [ 89.808023][ T50] block nbd11: Receive control failed (result -32) [ 89.821689][ T5840] block nbd0: Receive control failed (result -32) [ 89.822507][ T5703] block nbd11: Receive control failed (result -32) [ 89.841220][ T5858] block nbd0: reconnected socket [ 90.107677][ T5858] nbd12: detected capacity change from 0 to 63 [ 90.114420][ T50] block nbd12: Receive control failed (result -32) [ 90.120984][ T4942] block nbd12: Receive control failed (result -104) [ 90.121035][ T5840] block nbd12: Receive control failed (result -32) [ 90.127676][ T5703] block nbd0: Receive control failed (result -32) [ 90.127743][ T5839] block nbd12: Receive control failed (result -32) [ 90.154953][ T5860] block nbd0: reconnected socket [ 90.437788][ T5860] nbd13: detected capacity change from 0 to 63 [ 90.444338][ T5839] block nbd13: Receive control failed (result -32) [ 90.444671][ T5703] block nbd13: Receive control failed (result -32) [ 90.450938][ T4942] block nbd13: Receive control failed (result -32) [ 90.457500][ T50] block nbd13: Receive control failed (result -32) [ 90.464549][ T5861] block nbd13: Send control failed (result -32) [ 90.476858][ T5840] block nbd0: Receive control failed (result -32) [ 90.484500][ T5861] block nbd13: Request send failed, requeueing [ 90.490982][ T4957] block nbd13: Dead connection, failed to find a fallback [ 90.498214][ T4957] block nbd13: shutting down sockets [ 90.506143][ T5861] ldm_validate_partition_table(): Disk read failed. [ 90.513775][ T5862] block nbd0: reconnected socket [ 90.513990][ T5861] Dev nbd13: unable to read RDB block 0 [ 90.525471][ T5861] nbd13: unable to read partition table [ 90.534598][ T5861] ldm_validate_partition_table(): Disk read failed. [ 90.542574][ T5861] Dev nbd13: unable to read RDB block 0 [ 90.550180][ T5861] nbd13: unable to read partition table [ 90.807761][ T5862] nbd14: detected capacity change from 0 to 63 [ 90.814703][ T5703] block nbd14: Receive control failed (result -32) [ 90.814708][ T4942] block nbd14: Receive control failed (result -32) [ 90.814774][ T5840] block nbd14: Receive control failed (result -32) [ 90.821382][ T5839] block nbd14: Receive control failed (result -32) [ 90.828849][ T5861] block nbd14: Send control failed (result -32) [ 90.848979][ T50] block nbd0: Receive control failed (result -32) [ 90.859344][ T5864] block nbd0: reconnected socket [ 90.866054][ T5861] block nbd14: Request send failed, requeueing [ 90.872532][ T4957] block nbd14: Dead connection, failed to find a fallback [ 90.880982][ T4957] block nbd14: shutting down sockets [ 90.887641][ T5861] ldm_validate_partition_table(): Disk read failed. [ 90.894957][ T5861] Dev nbd14: unable to read RDB block 0 [ 90.901865][ T5861] nbd14: unable to read partition table [ 90.911729][ T5861] ldm_validate_partition_table(): Disk read failed. [ 90.919715][ T5861] Dev nbd14: unable to read RDB block 0 [ 90.926086][ T5861] nbd14: unable to read partition table [ 91.157694][ T5864] nbd15: detected capacity change from 0 to 63 [ 91.164122][ T5703] block nbd15: Receive control failed (result -32) [ 91.164471][ T5840] block nbd15: Receive control failed (result -32) [ 91.170731][ T4942] block nbd15: Receive control failed (result -32) [ 91.177237][ T5839] block nbd15: Receive control failed (result -32) [ 91.184663][ T5861] block nbd15: Send control failed (result -32) [ 91.191997][ T50] block nbd0: Receive control failed (result -32) [ 91.196598][ T5861] block nbd15: Request send failed, requeueing [ 91.209582][ T4957] block nbd15: Dead connection, failed to find a fallback [ 91.216737][ T4957] block nbd15: shutting down sockets [ 91.229122][ T5865] block nbd0: reconnected socket [ 91.229460][ T5861] ldm_validate_partition_table(): Disk read failed. [ 91.245182][ T5861] Dev nbd15: unable to read RDB block 0 [ 91.253067][ T5861] nbd15: unable to read partition table [ 91.264698][ T5861] ldm_validate_partition_table(): Disk read failed. [ 91.273636][ T5861] Dev nbd15: unable to read RDB block 0 [ 91.280289][ T5861] nbd15: unable to read partition table [ 91.587706][ T5865] nbd16: detected capacity change from 0 to 63 [ 91.594167][ T5703] block nbd16: Receive control failed (result -32) [ 91.594771][ T5840] block nbd0: Receive control failed (result -32) [ 91.600794][ T50] block nbd16: Receive control failed (result -32) [ 91.607202][ T4942] block nbd16: Receive control failed (result -32) [ 91.614267][ T5861] block nbd16: Send control failed (result -32) [ 91.620237][ T5839] block nbd16: Receive control failed (result -32) [ 91.633517][ T5861] block nbd16: Request send failed, requeueing [ 91.640130][ T4957] block nbd16: Dead connection, failed to find a fallback [ 91.647289][ T4957] block nbd16: shutting down sockets [ 91.652688][ T4957] blk_print_req_error: 1026 callbacks suppressed [ 91.652703][ T4957] I/O error, dev nbd16, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.652794][ T5861] I/O error, dev nbd16, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.660619][ T4957] buffer_io_error: 1026 callbacks suppressed 2026/05/02 14:41:40 executed programs: 19 [ 91.660631][ T4957] Buffer I/O error on dev nbd16, logical block 0, async page read [ 91.668620][ T5861] Buffer I/O error on dev nbd16, logical block 1, async page read [ 91.695648][ T5868] block nbd0: reconnected socket [ 91.699604][ T5861] I/O error, dev nbd16, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.713348][ T5861] Buffer I/O error on dev nbd16, logical block 2, async page read [ 91.721610][ T5861] I/O error, dev nbd16, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.731041][ T5861] Buffer I/O error on dev nbd16, logical block 3, async page read [ 91.739251][ T5861] I/O error, dev nbd16, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.748549][ T5861] Buffer I/O error on dev nbd16, logical block 0, async page read [ 91.756973][ T5861] I/O error, dev nbd16, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.766492][ T5861] Buffer I/O error on dev nbd16, logical block 1, async page read [ 91.774509][ T5861] I/O error, dev nbd16, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.783688][ T5861] Buffer I/O error on dev nbd16, logical block 2, async page read [ 91.791692][ T5861] I/O error, dev nbd16, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.800875][ T5861] Buffer I/O error on dev nbd16, logical block 3, async page read [ 91.808888][ T5861] I/O error, dev nbd16, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.818152][ T5861] Buffer I/O error on dev nbd16, logical block 0, async page read [ 91.826047][ T5861] I/O error, dev nbd16, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.835203][ T5861] Buffer I/O error on dev nbd16, logical block 1, async page read [ 91.844178][ T5861] ldm_validate_partition_table(): Disk read failed. [ 91.851504][ T5861] Dev nbd16: unable to read RDB block 0 [ 91.858070][ T5861] nbd16: unable to read partition table [ 91.867308][ T5861] ldm_validate_partition_table(): Disk read failed. [ 91.874716][ T5861] Dev nbd16: unable to read RDB block 0 [ 91.881121][ T5861] nbd16: unable to read partition table [ 92.078047][ T5868] nbd17: detected capacity change from 0 to 63 [ 92.085903][ T5703] block nbd17: Receive control failed (result -32) [ 92.087046][ T5839] block nbd0: Receive control failed (result -32) [ 92.092496][ T4942] block nbd17: Receive control failed (result -104) [ 92.098965][ T50] block nbd17: Receive control failed (result -32) [ 92.111992][ T5840] block nbd17: Receive control failed (result -32) [ 92.125034][ T5870] block nbd0: reconnected socket [ 92.427720][ T5870] nbd18: detected capacity change from 0 to 63 [ 92.434425][ T5839] block nbd18: Receive control failed (result -32) [ 92.435345][ T5703] block nbd18: Receive control failed (result -104) [ 92.441009][ T4942] block nbd18: Receive control failed (result -32) [ 92.441073][ T5840] block nbd18: Receive control failed (result -32) [ 92.461046][ T50] block nbd0: Receive control failed (result -32) [ 92.471866][ T5872] block nbd0: reconnected socket [ 92.767746][ T5872] nbd19: detected capacity change from 0 to 63 [ 92.774334][ T5839] block nbd19: Receive control failed (result -32) [ 92.774337][ T5703] block nbd19: Receive control failed (result -32) [ 92.774398][ T50] block nbd19: Receive control failed (result -32) [ 92.781193][ T4942] block nbd19: Receive control failed (result -32) [ 92.796692][ T5863] block nbd19: Send control failed (result -32) [ 92.800596][ T5840] block nbd0: Receive control failed (result -32) [ 92.813524][ T5863] block nbd19: Request send failed, requeueing [ 92.820428][ T4957] block nbd19: Dead connection, failed to find a fallback [ 92.827711][ T4957] block nbd19: shutting down sockets [ 92.835258][ T5863] ldm_validate_partition_table(): Disk read failed. [ 92.836655][ T5874] block nbd0: reconnected socket [ 92.845007][ T5863] Dev nbd19: unable to read RDB block 0 [ 92.853213][ T5863] nbd19: unable to read partition table [ 92.863111][ T5863] ldm_validate_partition_table(): Disk read failed. [ 92.871287][ T5863] Dev nbd19: unable to read RDB block 0 [ 92.877671][ T5863] nbd19: unable to read partition table [ 93.168210][ T5874] nbd20: detected capacity change from 0 to 63 [ 93.174757][ T5703] block nbd20: Receive control failed (result -32) [ 93.181847][ T5839] block nbd20: Receive control failed (result -32) [ 93.181852][ T50] block nbd20: Receive control failed (result -32) [ 93.191139][ T5863] block nbd20: Send control failed (result -32) [ 93.195043][ T4942] block nbd0: Receive control failed (result -32) [ 93.201322][ T5863] block nbd20: Request send failed, requeueing [ 93.207774][ T5840] block nbd20: Receive control failed (result -32) [ 93.214101][ T5863] block nbd20: Send control failed (result -32) [ 93.227169][ T5863] block nbd20: Request send failed, requeueing [ 93.234076][ T4957] block nbd20: Dead connection, failed to find a fallback [ 93.236832][ T5876] block nbd0: reconnected socket [ 93.241289][ T4957] block nbd20: shutting down sockets [ 93.253333][ T5863] ldm_validate_partition_table(): Disk read failed. [ 93.261310][ T5863] Dev nbd20: unable to read RDB block 0 [ 93.269802][ T5863] nbd20: unable to read partition table [ 93.278927][ T5863] ldm_validate_partition_table(): Disk read failed. [ 93.286198][ T5863] Dev nbd20: unable to read RDB block 0 [ 93.292719][ T5863] nbd20: unable to read partition table [ 93.568005][ T5703] block nbd21: Receive control failed (result -32) [ 93.569657][ T50] block nbd21: Receive control failed (result -32) [ 93.574844][ T5840] block nbd21: Receive control failed (result -32) [ 93.581250][ T4942] block nbd21: Receive control failed (result -32) [ 93.588842][ T5863] block nbd21: Send control failed (result -32) [ 93.596579][ T5839] block nbd0: Receive control failed (result -32) [ 93.602199][ T5863] block nbd21: Request send failed, requeueing [ 93.614999][ T25] block nbd21: Dead connection, failed to find a fallback [ 93.622585][ T25] block nbd21: shutting down sockets [ 93.630662][ T5863] ldm_validate_partition_table(): Disk read failed. [ 93.633496][ T5878] block nbd0: reconnected socket [ 93.639552][ T5863] Dev nbd21: unable to read RDB block 0 [ 93.649337][ T5863] nbd21: unable to read partition table [ 93.657660][ T5863] ldm_validate_partition_table(): Disk read failed. [ 93.665638][ T5863] Dev nbd21: unable to read RDB block 0 [ 93.672710][ T5863] nbd21: unable to read partition table [ 93.977999][ T5703] block nbd22: Receive control failed (result -32) [ 93.978346][ T50] block nbd22: Receive control failed (result -32) [ 93.984599][ T5840] block nbd22: Receive control failed (result -32) [ 93.991284][ T5839] block nbd22: Receive control failed (result -32) [ 93.998529][ T5863] block nbd22: Send control failed (result -32) [ 94.006001][ T4942] block nbd0: Receive control failed (result -32) [ 94.011234][ T5863] block nbd22: Request send failed, requeueing [ 94.023766][ T5863] block nbd22: Dead connection, failed to find a fallback [ 94.031250][ T25] block nbd22: Dead connection, failed to find a fallback [ 94.038713][ T5863] block nbd22: shutting down sockets [ 94.041643][ T5880] block nbd0: reconnected socket [ 94.046044][ T5863] ldm_validate_partition_table(): Disk read failed. [ 94.056364][ T5863] Dev nbd22: unable to read RDB block 0 [ 94.063211][ T5863] nbd22: unable to read partition table [ 94.072180][ T5863] ldm_validate_partition_table(): Disk read failed. [ 94.079694][ T5863] Dev nbd22: unable to read RDB block 0 [ 94.086015][ T5863] nbd22: unable to read partition table [ 94.357975][ T5703] block nbd23: Receive control failed (result -32) [ 94.358049][ T5839] block nbd23: Receive control failed (result -32) [ 94.364543][ T5840] block nbd23: Receive control failed (result -32) [ 94.371142][ T4942] block nbd23: Receive control failed (result -32) [ 94.378817][ T5863] block nbd23: Send control failed (result -32) [ 94.386049][ T50] block nbd0: Receive control failed (result -32) [ 94.390464][ T5863] block nbd23: Request send failed, requeueing [ 94.403967][ T25] block nbd23: Dead connection, failed to find a fallback [ 94.411399][ T25] block nbd23: shutting down sockets [ 94.419522][ T5863] ldm_validate_partition_table(): Disk read failed. [ 94.423031][ T5882] block nbd0: reconnected socket [ 94.427247][ T5863] Dev nbd23: unable to read RDB block 0 [ 94.437479][ T5863] nbd23: unable to read partition table [ 94.448398][ T5863] ldm_validate_partition_table(): Disk read failed. [ 94.456264][ T5863] Dev nbd23: unable to read RDB block 0 [ 94.462753][ T5863] nbd23: unable to read partition table [ 94.728156][ T5840] block nbd24: Receive control failed (result -32) [ 94.728252][ T5703] block nbd24: Receive control failed (result -32) [ 94.734733][ T4942] block nbd24: Receive control failed (result -32) [ 94.741279][ T50] block nbd24: Receive control failed (result -32) [ 94.754440][ T5839] block nbd0: Receive control failed (result -32) [ 94.761041][ T5863] block nbd24: Dead connection, failed to find a fallback [ 94.768284][ T5863] block nbd24: shutting down sockets