Warning: Permanently added '10.128.0.121' (ED25519) to the list of known hosts. 2026/03/25 04:26:36 parsed 1 programs [ 87.488447][ T5845] cgroup: Unknown subsys name 'net' [ 87.587284][ T5845] cgroup: Unknown subsys name 'cpuset' [ 87.596322][ T5845] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 89.297276][ T5845] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.759362][ T997] cfg80211: failed to load regulatory.db [ 92.476558][ T5860] 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. [ 93.447634][ T5881] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 93.461942][ T5881] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 93.474059][ T5881] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 93.485734][ T5881] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 93.494418][ T5881] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 93.934344][ T5888] chnl_net:caif_netlink_parms(): no params data found [ 94.034291][ T5888] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.042188][ T5888] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.049741][ T5888] bridge_slave_0: entered allmulticast mode [ 94.057775][ T5888] bridge_slave_0: entered promiscuous mode [ 94.068280][ T5888] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.075756][ T5888] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.082962][ T5888] bridge_slave_1: entered allmulticast mode [ 94.090345][ T5888] bridge_slave_1: entered promiscuous mode [ 94.128461][ T5888] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.140707][ T5888] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.171732][ T5888] team0: Port device team_slave_0 added [ 94.179729][ T5888] team0: Port device team_slave_1 added [ 94.206099][ T5888] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.213176][ T5888] 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. [ 94.239184][ T5888] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.251930][ T5888] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.258981][ T5888] 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. [ 94.284919][ T5888] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.333256][ T5888] hsr_slave_0: entered promiscuous mode [ 94.340036][ T5888] hsr_slave_1: entered promiscuous mode [ 94.492776][ T5888] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.505934][ T5888] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.517595][ T5888] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.527949][ T5888] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 94.563734][ T5888] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.571262][ T5888] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.579412][ T5888] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.586959][ T5888] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.645141][ T5888] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.667651][ T5888] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.678570][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.687128][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.707623][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.714847][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.730975][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.738188][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.927234][ T5888] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.976766][ T5888] veth0_vlan: entered promiscuous mode [ 94.988841][ T5888] veth1_vlan: entered promiscuous mode [ 95.020222][ T5888] veth0_macvtap: entered promiscuous mode [ 95.030761][ T5888] veth1_macvtap: entered promiscuous mode [ 95.059718][ T5888] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.074513][ T5888] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.091413][ T49] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.101639][ T49] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.112973][ T49] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.123544][ T49] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.269410][ T36] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.358470][ T36] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.429670][ T36] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.507817][ T36] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.038641][ T431] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.047373][ T431] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.090284][ T431] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.099530][ T431] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/03/25 04:26:50 executed programs: 0 [ 97.675770][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.687348][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.695583][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.705227][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.713993][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 97.877044][ T5955] chnl_net:caif_netlink_parms(): no params data found [ 97.955922][ T5955] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.963291][ T5955] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.971227][ T5955] bridge_slave_0: entered allmulticast mode [ 97.979956][ T5955] bridge_slave_0: entered promiscuous mode [ 97.992068][ T5955] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.000081][ T5955] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.007670][ T5955] bridge_slave_1: entered allmulticast mode [ 98.015338][ T5955] bridge_slave_1: entered promiscuous mode [ 98.061522][ T5955] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.090484][ T5955] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.142916][ T5955] team0: Port device team_slave_0 added [ 98.168533][ T5955] team0: Port device team_slave_1 added [ 98.191508][ T36] bridge_slave_1: left allmulticast mode [ 98.197568][ T36] bridge_slave_1: left promiscuous mode [ 98.204393][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.217648][ T36] bridge_slave_0: left allmulticast mode [ 98.224763][ T36] bridge_slave_0: left promiscuous mode [ 98.230616][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.393295][ T36] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 98.405096][ T36] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 98.415685][ T36] bond0 (unregistering): Released all slaves [ 98.444075][ T5955] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.451135][ T5955] 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. [ 98.478307][ T5955] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.512487][ T5955] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.519612][ T5955] 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. [ 98.545694][ T5955] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.594483][ T36] hsr_slave_0: left promiscuous mode [ 98.600517][ T36] hsr_slave_1: left promiscuous mode [ 98.607062][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 98.614793][ T36] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 98.624481][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 98.631907][ T36] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 98.646322][ T36] veth1_macvtap: left promiscuous mode [ 98.651946][ T36] veth0_macvtap: left promiscuous mode [ 98.658397][ T36] veth1_vlan: left promiscuous mode [ 98.663808][ T36] veth0_vlan: left promiscuous mode [ 98.888753][ T36] team0 (unregistering): Port device team_slave_1 removed [ 98.904820][ T36] team0 (unregistering): Port device team_slave_0 removed [ 99.025333][ T5955] hsr_slave_0: entered promiscuous mode [ 99.031749][ T5955] hsr_slave_1: entered promiscuous mode [ 99.754419][ T51] Bluetooth: hci0: command tx timeout [ 100.042948][ T5955] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.057290][ T5955] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.075988][ T5955] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.092852][ T5955] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.409926][ T5955] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.470881][ T5955] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.493902][ T431] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.501099][ T431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.615813][ T431] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.623034][ T431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.888873][ T5955] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.942568][ T5955] veth0_vlan: entered promiscuous mode [ 100.955720][ T5955] veth1_vlan: entered promiscuous mode [ 100.986166][ T5955] veth0_macvtap: entered promiscuous mode [ 100.996967][ T5955] veth1_macvtap: entered promiscuous mode [ 101.016805][ T5955] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.036922][ T5955] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.052322][ T431] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.061322][ T431] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.070233][ T431] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.080254][ T431] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.152759][ T431] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.160912][ T431] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.194826][ T431] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.203430][ T431] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.533404][ T6003] nbd0: detected capacity change from 0 to 63 [ 101.543877][ T5881] block nbd0: Receive control failed (result -32) [ 101.543876][ T51] block nbd0: Receive control failed (result -32) [ 101.558785][ T5883] block nbd0: Send control failed (result -32) [ 101.568188][ T5883] block nbd0: Request send failed, requeueing [ 101.589879][ T1958] block nbd0: Dead connection, failed to find a fallback [ 101.597645][ T1958] block nbd0: shutting down sockets [ 101.603440][ T1958] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 101.613347][ T1958] Buffer I/O error on dev nbd0, logical block 0, async page read [ 101.625514][ T5883] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 101.635072][ T5883] Buffer I/O error on dev nbd0, logical block 1, async page read [ 101.646228][ T5883] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 101.656075][ T5883] Buffer I/O error on dev nbd0, logical block 2, async page read [ 101.664584][ T5883] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 101.676152][ T5883] Buffer I/O error on dev nbd0, logical block 3, async page read [ 101.685275][ T5883] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 101.694468][ T5883] Buffer I/O error on dev nbd0, logical block 0, async page read [ 101.702396][ T5883] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 101.712057][ T5883] Buffer I/O error on dev nbd0, logical block 1, async page read [ 101.720138][ T5883] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 101.730528][ T5883] Buffer I/O error on dev nbd0, logical block 2, async page read [ 101.738565][ T5883] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 101.747945][ T5883] Buffer I/O error on dev nbd0, logical block 3, async page read [ 101.759165][ T5883] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 101.768497][ T5883] Buffer I/O error on dev nbd0, logical block 0, async page read [ 101.776617][ T5883] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 101.786081][ T5883] Buffer I/O error on dev nbd0, logical block 1, async page read [ 101.797916][ T5883] ldm_validate_partition_table(): Disk read failed. [ 101.806687][ T5883] Dev nbd0: unable to read RDB block 0 [ 101.813872][ T5883] nbd0: unable to read partition table [ 101.826402][ T5883] ldm_validate_partition_table(): Disk read failed. [ 101.834819][ T5881] Bluetooth: hci0: command tx timeout [ 101.847673][ T5883] Dev nbd0: unable to read RDB block 0 [ 101.855674][ T5883] nbd0: unable to read partition table [ 101.891345][ T51] block nbd1: Receive control failed (result -107) [ 101.899029][ T51] [ 101.901376][ T51] ====================================================== [ 101.908581][ T51] WARNING: possible circular locking dependency detected [ 101.915708][ T51] syzkaller #0 Not tainted [ 101.920125][ T51] ------------------------------------------------------ [ 101.927166][ T51] kworker/u9:0/51 is trying to acquire lock: [ 101.933188][ T51] ffff888037ef5060 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_shutdown+0x6a/0x390 [ 101.942203][ T51] [ 101.942203][ T51] but task is already holding lock: [ 101.949568][ T51] ffff8880779c2c68 (&nsock->tx_lock){+.+.}-{4:4}, at: recv_work+0x1c19/0x1d40 [ 101.958591][ T51] [ 101.958591][ T51] which lock already depends on the new lock. [ 101.958591][ T51] [ 101.969198][ T51] [ 101.969198][ T51] the existing dependency chain (in reverse order) is: [ 101.978238][ T51] [ 101.978238][ T51] -> #6 (&nsock->tx_lock){+.+.}-{4:4}: [ 101.986024][ T51] __mutex_lock+0x19e/0x1420 [ 101.991554][ T51] nbd_queue_rq+0x37b/0x1100 [ 101.996770][ T51] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 102.002866][ T51] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 102.010694][ T51] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 102.017582][ T51] blk_mq_run_hw_queue+0x348/0x4f0 [ 102.023524][ T51] blk_mq_dispatch_list+0xd16/0xe10 [ 102.030664][ T51] blk_mq_flush_plug_list+0x48d/0x570 [ 102.036770][ T51] __blk_flush_plug+0x3ed/0x4d0 [ 102.042179][ T51] __submit_bio+0x28d/0x580 [ 102.047234][ T51] submit_bio_noacct_nocheck+0x2f4/0xa40 [ 102.053413][ T51] block_read_full_folio+0x599/0x830 [ 102.059274][ T51] filemap_read_folio+0x137/0x3b0 [ 102.065775][ T51] do_read_cache_folio+0x358/0x590 [ 102.071984][ T51] read_part_sector+0xb6/0x2b0 [ 102.077334][ T51] adfspart_check_ICS+0xb1/0x960 [ 102.082816][ T51] bdev_disk_changed+0x817/0x1770 [ 102.088485][ T51] blkdev_get_whole+0x380/0x510 [ 102.093874][ T51] bdev_open+0x31e/0xd30 [ 102.098739][ T51] blkdev_open+0x470/0x610 [ 102.104297][ T51] do_dentry_open+0x785/0x14e0 [ 102.110057][ T51] vfs_open+0x3b/0x340 [ 102.114686][ T51] path_openat+0x2e08/0x3860 [ 102.120297][ T51] do_file_open+0x23e/0x4a0 [ 102.125828][ T51] do_sys_openat2+0x113/0x200 [ 102.131405][ T51] __x64_sys_openat+0x138/0x170 [ 102.136793][ T51] do_syscall_64+0x14d/0xf80 [ 102.141924][ T51] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.148356][ T51] [ 102.148356][ T51] -> #5 (&cmd->lock){+.+.}-{4:4}: [ 102.155597][ T51] __mutex_lock+0x19e/0x1420 [ 102.160769][ T51] nbd_queue_rq+0xc6/0x1100 [ 102.165816][ T51] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 102.171936][ T51] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 102.178806][ T51] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 102.185327][ T51] blk_mq_run_hw_queue+0x348/0x4f0 [ 102.190976][ T51] blk_mq_dispatch_list+0xd16/0xe10 [ 102.196731][ T51] blk_mq_flush_plug_list+0x48d/0x570 [ 102.202659][ T51] __blk_flush_plug+0x3ed/0x4d0 [ 102.208057][ T51] __submit_bio+0x28d/0x580 [ 102.213111][ T51] submit_bio_noacct_nocheck+0x2f4/0xa40 [ 102.219307][ T51] block_read_full_folio+0x599/0x830 [ 102.225122][ T51] filemap_read_folio+0x137/0x3b0 [ 102.230684][ T51] do_read_cache_folio+0x358/0x590 [ 102.236421][ T51] read_part_sector+0xb6/0x2b0 [ 102.241732][ T51] adfspart_check_ICS+0xb1/0x960 [ 102.247485][ T51] bdev_disk_changed+0x817/0x1770 [ 102.253155][ T51] blkdev_get_whole+0x380/0x510 [ 102.258580][ T51] bdev_open+0x31e/0xd30 [ 102.263360][ T51] blkdev_open+0x470/0x610 [ 102.268306][ T51] do_dentry_open+0x785/0x14e0 [ 102.273611][ T51] vfs_open+0x3b/0x340 [ 102.278227][ T51] path_openat+0x2e08/0x3860 [ 102.283348][ T51] do_file_open+0x23e/0x4a0 [ 102.288375][ T51] do_sys_openat2+0x113/0x200 [ 102.293578][ T51] __x64_sys_openat+0x138/0x170 [ 102.298965][ T51] do_syscall_64+0x14d/0xf80 [ 102.304082][ T51] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.310519][ T51] [ 102.310519][ T51] -> #4 (set->srcu){.+.+}-{0:0}: [ 102.317668][ T51] __synchronize_srcu+0xca/0x3e0 [ 102.323143][ T51] elevator_switch+0x1e8/0x7a0 [ 102.328456][ T51] elevator_change+0x2cc/0x450 [ 102.333821][ T51] elevator_set_default+0x36c/0x430 [ 102.339571][ T51] blk_register_queue+0x3e9/0x4e0 [ 102.345124][ T51] __add_disk+0x677/0xd50 [ 102.349991][ T51] add_disk_fwnode+0xfb/0x480 [ 102.355202][ T51] nbd_dev_add+0x72c/0xb50 [ 102.360184][ T51] nbd_init+0x168/0x1f0 [ 102.364905][ T51] do_one_initcall+0x250/0x870 [ 102.370226][ T51] do_initcall_level+0x104/0x190 [ 102.375695][ T51] do_initcalls+0x59/0xa0 [ 102.380562][ T51] kernel_init_freeable+0x2a6/0x3e0 [ 102.386462][ T51] kernel_init+0x1d/0x1d0 [ 102.391342][ T51] ret_from_fork+0x51e/0xb90 [ 102.396467][ T51] ret_from_fork_asm+0x1a/0x30 [ 102.401760][ T51] [ 102.401760][ T51] -> #3 (&q->elevator_lock){+.+.}-{4:4}: [ 102.409598][ T51] __mutex_lock+0x19e/0x1420 [ 102.414761][ T51] elevator_change+0x1b3/0x450 [ 102.420115][ T51] elevator_set_none+0xb5/0x140 [ 102.425506][ T51] blk_mq_update_nr_hw_queues+0x5e7/0x1a60 [ 102.426684][ T5881] block nbd1: Receive control failed (result -32) [ 102.431857][ T51] nbd_start_device+0x17f/0xb10 [ 102.431879][ T51] nbd_genl_connect+0x165b/0x1cf0 [ 102.449231][ T51] genl_family_rcv_msg_doit+0x22a/0x330 [ 102.455318][ T51] genl_rcv_msg+0x61c/0x7a0 [ 102.460371][ T51] netlink_rcv_skb+0x232/0x4b0 [ 102.465704][ T51] genl_rcv+0x28/0x40 [ 102.470229][ T51] netlink_unicast+0x80f/0x9b0 [ 102.475549][ T51] netlink_sendmsg+0x813/0xb40 [ 102.480924][ T51] ____sys_sendmsg+0x972/0x9f0 [ 102.486220][ T51] ___sys_sendmsg+0x2a5/0x360 [ 102.491431][ T51] __x64_sys_sendmsg+0x1bd/0x2a0 [ 102.496913][ T51] do_syscall_64+0x14d/0xf80 [ 102.502035][ T51] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.508513][ T51] [ 102.508513][ T51] -> #2 (&q->q_usage_counter(io)#49){++++}-{0:0}: [ 102.517158][ T51] blk_alloc_queue+0x546/0x680 [ 102.522465][ T51] __blk_mq_alloc_disk+0x197/0x390 [ 102.528113][ T51] nbd_dev_add+0x499/0xb50 [ 102.533101][ T51] nbd_init+0x168/0x1f0 [ 102.537885][ T51] do_one_initcall+0x250/0x870 [ 102.543190][ T51] do_initcall_level+0x104/0x190 [ 102.548741][ T51] do_initcalls+0x59/0xa0 [ 102.553616][ T51] kernel_init_freeable+0x2a6/0x3e0 [ 102.559376][ T51] kernel_init+0x1d/0x1d0 [ 102.564284][ T51] ret_from_fork+0x51e/0xb90 [ 102.569444][ T51] ret_from_fork_asm+0x1a/0x30 [ 102.574854][ T51] [ 102.574854][ T51] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 102.582098][ T51] fs_reclaim_acquire+0x71/0x100 [ 102.587573][ T51] kmem_cache_alloc_node_noprof+0x4a/0x690 [ 102.593985][ T51] __alloc_skb+0x1d0/0x7d0 [ 102.599062][ T51] tcp_stream_alloc_skb+0x3f/0x580 [ 102.604736][ T51] tcp_sendmsg_locked+0x1345/0x5360 [ 102.610524][ T51] tcp_sendmsg+0x2f/0x50 [ 102.615334][ T51] sock_write_iter+0x406/0x4f0 [ 102.620648][ T51] vfs_write+0x61d/0xb90 [ 102.625638][ T51] ksys_write+0x150/0x270 [ 102.630522][ T51] do_syscall_64+0x14d/0xf80 [ 102.635678][ T51] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.642099][ T51] [ 102.642099][ T51] -> #0 (sk_lock-AF_INET){+.+.}-{0:0}: [ 102.649752][ T51] __lock_acquire+0x15a5/0x2cf0 [ 102.655159][ T51] lock_acquire+0x106/0x350 [ 102.660227][ T51] lock_sock_nested+0x41/0x100 [ 102.665529][ T51] inet_shutdown+0x6a/0x390 [ 102.670592][ T51] nbd_mark_nsock_dead+0x2e9/0x560 [ 102.676235][ T51] recv_work+0x1c2e/0x1d40 [ 102.681211][ T51] process_scheduled_works+0xb5d/0x1860 [ 102.687323][ T51] worker_thread+0xa53/0xfc0 [ 102.692460][ T51] kthread+0x388/0x470 [ 102.697081][ T51] ret_from_fork+0x51e/0xb90 [ 102.702282][ T51] ret_from_fork_asm+0x1a/0x30 [ 102.707783][ T51] [ 102.707783][ T51] other info that might help us debug this: [ 102.707783][ T51] [ 102.718735][ T51] Chain exists of: [ 102.718735][ T51] sk_lock-AF_INET --> &cmd->lock --> &nsock->tx_lock [ 102.718735][ T51] [ 102.731891][ T51] Possible unsafe locking scenario: [ 102.731891][ T51] [ 102.739444][ T51] CPU0 CPU1 [ 102.745013][ T51] ---- ---- [ 102.750490][ T51] lock(&nsock->tx_lock); [ 102.754930][ T51] lock(&cmd->lock); [ 102.761557][ T51] lock(&nsock->tx_lock); [ 102.768501][ T51] lock(sk_lock-AF_INET); [ 102.773037][ T51] [ 102.773037][ T51] *** DEADLOCK *** [ 102.773037][ T51] [ 102.781237][ T51] 3 locks held by kworker/u9:0/51: [ 102.786475][ T51] #0: ffff888027b65140 ((wq_completion)nbd1-recv){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860 [ 102.797761][ T51] #1: ffffc90000bb7c40 ((work_completion)(&args->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860 [ 102.809620][ T51] #2: ffff8880779c2c68 (&nsock->tx_lock){+.+.}-{4:4}, at: recv_work+0x1c19/0x1d40 [ 102.818941][ T51] [ 102.818941][ T51] stack backtrace: [ 102.824853][ T51] CPU: 1 UID: 0 PID: 51 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 102.824872][ T51] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 102.824882][ T51] Workqueue: nbd1-recv recv_work [ 102.824906][ T51] Call Trace: [ 102.824913][ T51] [ 102.824920][ T51] dump_stack_lvl+0xe8/0x150 [ 102.824943][ T51] print_circular_bug+0x2e1/0x300 [ 102.824961][ T51] check_noncircular+0x12e/0x150 [ 102.824978][ T51] __lock_acquire+0x15a5/0x2cf0 [ 102.825002][ T51] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 102.825021][ T51] ? try_to_wake_up+0x7f2/0x1380 [ 102.825040][ T51] ? inet_shutdown+0x6a/0x390 [ 102.825060][ T51] lock_acquire+0x106/0x350 [ 102.825080][ T51] ? inet_shutdown+0x6a/0x390 [ 102.825101][ T51] ? __queue_work+0xc42/0xfc0 [ 102.825116][ T51] lock_sock_nested+0x41/0x100 [ 102.825132][ T51] ? inet_shutdown+0x6a/0x390 [ 102.825153][ T51] inet_shutdown+0x6a/0x390 [ 102.825175][ T51] nbd_mark_nsock_dead+0x2e9/0x560 [ 102.825190][ T51] recv_work+0x1c2e/0x1d40 [ 102.825209][ T51] ? lockdep_unlock+0x5d/0xd0 [ 102.825231][ T51] ? __pfx_recv_work+0x10/0x10 [ 102.825246][ T51] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 102.825264][ T51] ? process_scheduled_works+0xa70/0x1860 [ 102.825288][ T51] ? process_scheduled_works+0xa70/0x1860 [ 102.825309][ T51] ? process_scheduled_works+0xa70/0x1860 [ 102.825330][ T51] process_scheduled_works+0xb5d/0x1860 [ 102.825361][ T51] ? __pfx_process_scheduled_works+0x10/0x10 [ 102.825384][ T51] ? assign_work+0x3d5/0x5e0 [ 102.825406][ T51] worker_thread+0xa53/0xfc0 [ 102.825436][ T51] kthread+0x388/0x470 [ 102.825475][ T51] ? __pfx_worker_thread+0x10/0x10 [ 102.825496][ T51] ? __pfx_kthread+0x10/0x10 [ 102.825512][ T51] ret_from_fork+0x51e/0xb90 [ 102.825533][ T51] ? __pfx_ret_from_fork+0x10/0x10 [ 102.825553][ T51] ? __switch_to+0xc7d/0x1420 [ 102.825572][ T51] ? __pfx_kthread+0x10/0x10 [ 102.825587][ T51] ret_from_fork_asm+0x1a/0x30 [ 102.825606][ T51] [ 103.033251][ T6006] nbd1: detected capacity change from 0 to 63 [ 103.042564][ T5883] block nbd1: Dead connection, failed to find a fallback [ 103.056687][ T5883] block nbd1: shutting down sockets [ 103.067650][ T5883] ldm_validate_partition_table(): Disk read failed. [ 103.082518][ T5883] Dev nbd1: unable to read RDB block 0 [ 103.091115][ T5883] nbd1: unable to read partition table 2026/03/25 04:26:56 executed programs: 4 [ 103.100917][ T5883] ldm_validate_partition_table(): Disk read failed. [ 103.109057][ T5883] Dev nbd1: unable to read RDB block 0 [ 103.116184][ T5883] nbd1: unable to read partition table [ 103.233749][ T6010] nbd2: detected capacity change from 0 to 63 [ 103.240453][ T5881] block nbd2: Receive control failed (result -32) [ 103.241742][ T51] block nbd2: Receive control failed (result -32) [ 103.253542][ T5883] block nbd2: Send control failed (result -32) [ 103.261976][ T5883] block nbd2: Request send failed, requeueing [ 103.273885][ T1977] block nbd2: Dead connection, failed to find a fallback [ 103.281056][ T1977] block nbd2: shutting down sockets [ 103.289356][ T5883] ldm_validate_partition_table(): Disk read failed. [ 103.297961][ T5883] Dev nbd2: unable to read RDB block 0 [ 103.305210][ T5883] nbd2: unable to read partition table [ 103.316433][ T5883] ldm_validate_partition_table(): Disk read failed. [ 103.324884][ T5883] Dev nbd2: unable to read RDB block 0 [ 103.331314][ T5883] nbd2: unable to read partition table [ 103.503280][ T6013] nbd3: detected capacity change from 0 to 63 [ 103.511085][ T5881] block nbd3: Receive control failed (result -104) [ 103.514278][ T51] block nbd3: Receive control failed (result -32) [ 103.716772][ T5881] block nbd4: Receive control failed (result -107) [ 103.753501][ T6016] nbd4: detected capacity change from 0 to 63 [ 103.760910][ T5858] block nbd4: Send control failed (result -32) [ 103.767258][ T51] block nbd4: Receive control failed (result -32) [ 103.773767][ T5858] block nbd4: Request send failed, requeueing [ 103.780222][ T1977] block nbd4: Dead connection, failed to find a fallback [ 103.794627][ T1977] block nbd4: shutting down sockets [ 103.813304][ T5858] ldm_validate_partition_table(): Disk read failed. [ 103.821326][ T5858] Dev nbd4: unable to read RDB block 0 [ 103.829896][ T5858] nbd4: unable to read partition table [ 103.841251][ T5858] ldm_validate_partition_table(): Disk read failed. [ 103.849281][ T5858] Dev nbd4: unable to read RDB block 0 [ 103.857486][ T5858] nbd4: unable to read partition table [ 103.913244][ T5881] Bluetooth: hci0: command tx timeout [ 104.003290][ T6019] nbd5: detected capacity change from 0 to 63 [ 104.010233][ T51] block nbd5: Receive control failed (result -32) [ 104.012906][ T5881] block nbd5: Receive control failed (result -32) [ 104.017500][ T5858] block nbd5: Send control failed (result -32) [ 104.032328][ T5858] block nbd5: Request send failed, requeueing [ 104.039024][ T1958] block nbd5: Dead connection, failed to find a fallback [ 104.047791][ T1958] block nbd5: shutting down sockets [ 104.055677][ T5858] ldm_validate_partition_table(): Disk read failed. [ 104.076798][ T5858] Dev nbd5: unable to read RDB block 0 [ 104.087643][ T5858] nbd5: unable to read partition table [ 104.105609][ T5858] ldm_validate_partition_table(): Disk read failed. [ 104.115076][ T5858] Dev nbd5: unable to read RDB block 0 [ 104.121594][ T5858] nbd5: unable to read partition table [ 104.303244][ T6022] nbd6: detected capacity change from 0 to 63 [ 104.310640][ T51] block nbd6: Receive control failed (result -104) [ 104.312680][ T5881] block nbd6: Receive control failed (result -32) [ 104.513218][ T6025] nbd7: detected capacity change from 0 to 63 [ 104.520666][ T51] block nbd7: Receive control failed (result -104) [ 104.520670][ T5881] block nbd7: Receive control failed (result -32) [ 104.783691][ T6028] nbd8: detected capacity change from 0 to 63 [ 104.790501][ T51] block nbd8: Receive control failed (result -32) [ 104.790816][ T6029] block nbd8: Send control failed (result -32) [ 104.798122][ T5881] block nbd8: Receive control failed (result -32) [ 104.805611][ T6029] block nbd8: Request send failed, requeueing [ 104.820081][ T6029] block nbd8: Dead connection, failed to find a fallback [ 104.839433][ T1977] block nbd8: Dead connection, failed to find a fallback [ 104.847585][ T1977] block nbd8: shutting down sockets [ 104.857001][ T6029] ldm_validate_partition_table(): Disk read failed. [ 104.865745][ T6029] Dev nbd8: unable to read RDB block 0 [ 104.872762][ T6029] nbd8: unable to read partition table [ 104.883786][ T6029] ldm_validate_partition_table(): Disk read failed. [ 104.891243][ T6029] Dev nbd8: unable to read RDB block 0 [ 104.898030][ T6029] nbd8: unable to read partition table [ 105.043217][ T6033] nbd9: detected capacity change from 0 to 63 [ 105.051106][ T6031] block nbd9: Send control failed (result -32) [ 105.052023][ T51] block nbd9: Receive control failed (result -32) [ 105.063876][ T6031] block nbd9: Request send failed, requeueing [ 105.063890][ T5881] block nbd9: Receive control failed (result -32) [ 105.077271][ T6031] block nbd9: Dead connection, failed to find a fallback [ 105.085720][ T1977] block nbd9: Dead connection, failed to find a fallback [ 105.092932][ T1977] block nbd9: shutting down sockets [ 105.100683][ T6031] ldm_validate_partition_table(): Disk read failed. [ 105.108861][ T6031] Dev nbd9: unable to read RDB block 0 [ 105.116571][ T6031] nbd9: unable to read partition table [ 105.126678][ T6031] ldm_validate_partition_table(): Disk read failed. [ 105.135498][ T6031] Dev nbd9: unable to read RDB block 0 [ 105.142964][ T6031] nbd9: unable to read partition table [ 105.334456][ T5881] block nbd10: Receive control failed (result -104) [ 105.334480][ T6031] block nbd10: Send control failed (result -32) [ 105.347845][ T51] block nbd10: Receive control failed (result -32) [ 105.354805][ T6031] block nbd10: Request send failed, requeueing [ 105.361305][ T1977] block nbd10: Dead connection, failed to find a fallback [ 105.368570][ T1977] block nbd10: shutting down sockets [ 105.614066][ T51] block nbd11: Receive control failed (result -32) [ 105.615408][ T5881] block nbd11: Receive control failed (result -32) [ 105.621372][ T6029] block nbd11: Send control failed (result -32) [ 105.634437][ T6029] block nbd11: Request send failed, requeueing [ 105.640913][ T1977] block nbd11: shutting down sockets [ 105.649702][ T6029] ldm_validate_partition_table(): Disk read failed. [ 105.657752][ T6029] Dev nbd11: unable to read RDB block 0 [ 105.664991][ T6029] nbd11: unable to read partition table [ 105.681443][ T6029] ldm_validate_partition_table(): Disk read failed. [ 105.690033][ T6029] Dev nbd11: unable to read RDB block 0 [ 105.698110][ T6029] nbd11: unable to read partition table [ 105.843629][ T5881] block nbd12: Receive control failed (result -32) [ 105.844671][ T51] block nbd12: Receive control failed (result -32) [ 105.855516][ T6029] block nbd12: Send control failed (result -32) [ 105.864539][ T6029] block nbd12: Request send failed, requeueing [ 105.871808][ T1958] block nbd12: shutting down sockets [ 105.885086][ T6029] ldm_validate_partition_table(): Disk read failed. [ 105.893414][ T6029] Dev nbd12: unable to read RDB block 0 [ 105.900597][ T6029] nbd12: unable to read partition table [ 105.911344][ T6029] ldm_validate_partition_table(): Disk read failed. [ 105.919990][ T6029] Dev nbd12: unable to read RDB block 0 [ 105.926940][ T6029] nbd12: unable to read partition table [ 105.993467][ T51] Bluetooth: hci0: command tx timeout [ 106.084968][ T5881] block nbd13: Receive control failed (result -104) [ 106.086480][ T51] block nbd13: Receive control failed (result -32) [ 106.304382][ T6043] block nbd14: Send control failed (result -32) [ 106.304559][ T51] block nbd14: Receive control failed (result -32) [ 106.317486][ T5881] block nbd14: Receive control failed (result -32) [ 106.324062][ T6043] block nbd14: Request send failed, requeueing [ 106.330408][ T1958] block nbd14: shutting down sockets [ 106.338879][ T6043] ldm_validate_partition_table(): Disk read failed. [ 106.354781][ T6043] Dev nbd14: unable to read RDB block 0 [ 106.367182][ T6043] nbd14: unable to read partition table [ 106.380888][ T6043] ldm_validate_partition_table(): Disk read failed. [ 106.388941][ T6043] Dev nbd14: unable to read RDB block 0 [ 106.396549][ T6043] nbd14: unable to read partition table [ 106.534476][ T51] block nbd15: Receive control failed (result -32) [ 106.536929][ T1958] block nbd15: shutting down sockets [ 106.549353][ T6053] ldm_validate_partition_table(): Disk read failed. [ 106.568829][ T6053] Dev nbd15: unable to read RDB block 0 [ 106.577259][ T6053] nbd15: unable to read partition table [ 106.587266][ T6053] ldm_validate_partition_table(): Disk read failed. [ 106.595662][ T6053] Dev nbd15: unable to read RDB block 0 [ 106.602538][ T6053] nbd15: unable to read partition table [ 106.766769][ T51] block nbd16: Receive control failed (result -107) [ 106.766783][ T5881] block nbd16: Receive control failed (result -107) [ 106.803210][ T6056] set_capacity_and_notify: 6 callbacks suppressed [ 106.803225][ T6056] nbd16: detected capacity change from 0 to 63 [ 106.816763][ T6053] find_fallback: 4 callbacks suppressed [ 106.816782][ T6053] block nbd16: Dead connection, failed to find a fallback [ 106.829568][ T6053] block nbd16: shutting down sockets [ 106.835279][ T6053] blk_print_req_error: 1619 callbacks suppressed [ 106.835297][ T6053] I/O error, dev nbd16, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 106.851212][ T6053] buffer_io_error: 1619 callbacks suppressed [ 106.851228][ T6053] Buffer I/O error on dev nbd16, logical block 0, async page read [ 106.868971][ T6053] I/O error, dev nbd16, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 106.878767][ T6053] Buffer I/O error on dev nbd16, logical block 1, async page read [ 106.887063][ T6053] I/O error, dev nbd16, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 106.898786][ T6053] Buffer I/O error on dev nbd16, logical block 2, async page read [ 106.907839][ T6053] I/O error, dev nbd16, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 106.917593][ T6053] Buffer I/O error on dev nbd16, logical block 3, async page read [ 106.925827][ T6053] I/O error, dev nbd16, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 106.935078][ T6053] Buffer I/O error on dev nbd16, logical block 0, async page read [ 106.943024][ T6053] I/O error, dev nbd16, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 106.952353][ T6053] Buffer I/O error on dev nbd16, logical block 1, async page read [ 106.963174][ T6053] I/O error, dev nbd16, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 106.972462][ T6053] Buffer I/O error on dev nbd16, logical block 2, async page read [ 106.981180][ T6053] I/O error, dev nbd16, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 106.990823][ T6053] Buffer I/O error on dev nbd16, logical block 3, async page read [ 106.999603][ T6053] I/O error, dev nbd16, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 107.009230][ T6053] Buffer I/O error on dev nbd16, logical block 0, async page read [ 107.017580][ T6053] I/O error, dev nbd16, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 107.027059][ T6053] Buffer I/O error on dev nbd16, logical block 1, async page read [ 107.036489][ T6053] ldm_validate_partition_table(): Disk read failed. [ 107.044446][ T6053] Dev nbd16: unable to read RDB block 0 [ 107.051027][ T6053] nbd16: unable to read partition table [ 107.060279][ T6053] ldm_validate_partition_table(): Disk read failed. [ 107.067902][ T6053] Dev nbd16: unable to read RDB block 0 [ 107.075028][ T6053] nbd16: unable to read partition table [ 107.146680][ T5881] block nbd17: Receive control failed (result -107) [ 107.153386][ T51] block nbd17: Receive control failed (result -107) [ 107.183307][ T6060] nbd17: detected capacity change from 0 to 63 [ 107.190676][ T6053] block nbd17: Dead connection, failed to find a fallback [ 107.198705][ T6053] block nbd17: shutting down sockets [ 107.206803][ T6053] ldm_validate_partition_table(): Disk read failed. [ 107.215316][ T6053] Dev nbd17: unable to read RDB block 0 [ 107.222387][ T6053] nbd17: unable to read partition table [ 107.232547][ T6053] ldm_validate_partition_table(): Disk read failed. [ 107.240624][ T6053] Dev nbd17: unable to read RDB block 0 [ 107.247916][ T6053] nbd17: unable to read partition table [ 107.483375][ T6065] nbd18: detected capacity change from 0 to 63 [ 107.490682][ T5881] block nbd18: Receive control failed (result -104) [ 107.493815][ T51] block nbd18: Receive control failed (result -32) [ 107.723204][ T6069] nbd19: detected capacity change from 0 to 63 [ 107.730533][ T5881] block nbd19: Receive control failed (result -104) [ 107.732063][ T51] block nbd19: Receive control failed (result -32) [ 107.926726][ T5881] block nbd20: Receive control failed (result -107) [ 107.963260][ T6073] nbd20: detected capacity change from 0 to 63 [ 107.970903][ T51] block nbd20: Receive control failed (result -104) [ 108.193297][ T6078] nbd21: detected capacity change from 0 to 63 [ 108.200806][ T51] block nbd21: Receive control failed (result -104) [ 108.202318][ T5881] block nbd21: Receive control failed (result -32) 2026/03/25 04:27:01 executed programs: 24 [ 108.407132][ T51] block nbd22: Receive control failed (result -107) [ 108.463190][ T6083] nbd22: detected capacity change from 0 to 63 [ 108.470649][ T5881] block nbd22: Receive control failed (result -104) [ 108.703237][ T6088] nbd23: detected capacity change from 0 to 63 [ 108.710727][ T6090] nbd_send_cmd: 2 callbacks suppressed [ 108.710749][ T6090] block nbd23: Send control failed (result -32) [ 108.712072][ T5881] block nbd23: Receive control failed (result -104) [ 108.717226][ T6090] nbd_send_cmd: 2 callbacks suppressed [ 108.717288][ T6090] block nbd23: Request send failed, requeueing [ 108.722832][ T51] block nbd23: Receive control failed (result -32) [ 108.748352][ T1958] block nbd23: Dead connection, failed to find a fallback [ 108.755677][ T1958] block nbd23: shutting down sockets [ 108.993272][ T6093] nbd24: detected capacity change from 0 to 63 [ 109.000795][ T5881] block nbd24: Receive control failed (result -104) [ 109.002328][ T51] block nbd24: Receive control failed (result -32) [ 109.206833][ T5881] block nbd25: Receive control failed (result -107) [ 109.243274][ T6097] nbd25: detected capacity change from 0 to 63 [ 109.250824][ T51] block nbd25: Receive control failed (result -32) [ 109.473795][ T5881] block nbd26: Receive control failed (result -32) [ 109.475235][ T51] block nbd26: Receive control failed (result -32) [ 109.704466][ T5881] block nbd27: Receive control failed (result -32) [ 109.711056][ T51] block nbd27: Receive control failed (result -32) [ 109.913935][ T51] block nbd28: Receive control failed (result -32) [ 109.914525][ T5881] block nbd28: Receive control failed (result -32) [ 110.144654][ T5881] block nbd29: Receive control failed (result -32) [ 110.144657][ T51] block nbd29: Receive control failed (result -32) [ 110.363999][ T5881] block nbd30: Receive control failed (result -32) [ 110.365321][ T51] block nbd30: Receive control failed (result -32) [ 110.586773][ T5881] block nbd31: Receive control failed (result -107) [ 110.623909][ T51] block nbd31: Receive control failed (result -32) [ 110.834037][ T5881] block nbd32: Receive control failed (result -32) [ 110.835909][ T51] block nbd32: Receive control failed (result -32) [ 111.042948][ T5881] block nbd33: Receive control failed (result -107) [ 111.074468][ T51] block nbd33: Receive control failed (result -32) [ 111.294092][ T5881] block nbd34: Receive control failed (result -32) [ 111.300728][ T51] block nbd34: Receive control failed (result -32) [ 111.498240][ T5881] block nbd35: Receive control failed (result -107) [ 111.553860][ T51] block nbd35: Receive control failed (result -32) [ 111.783876][ T5881] block nbd36: Receive control failed (result -32) [ 111.790485][ T51] block nbd36: Receive control failed (result -32)