Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts. 2026/03/21 20:08:46 parsed 1 programs [ 87.883422][ T5825] cgroup: Unknown subsys name 'net' [ 87.996040][ T5825] cgroup: Unknown subsys name 'cpuset' [ 88.005444][ T5825] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 89.820642][ T5825] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 92.160744][ T24] cfg80211: failed to load regulatory.db [ 93.111336][ T5841] 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. [ 93.744272][ T78] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.753116][ T78] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.786586][ T78] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.794800][ T78] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.530653][ T5887] chnl_net:caif_netlink_parms(): no params data found [ 95.654627][ T5887] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.662272][ T5887] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.669658][ T5887] bridge_slave_0: entered allmulticast mode [ 95.677416][ T5887] bridge_slave_0: entered promiscuous mode [ 95.692590][ T5887] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.700470][ T5887] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.707804][ T5887] bridge_slave_1: entered allmulticast mode [ 95.715418][ T5887] bridge_slave_1: entered promiscuous mode [ 95.747440][ T5887] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.760494][ T5887] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.791496][ T5887] team0: Port device team_slave_0 added [ 95.799384][ T5887] team0: Port device team_slave_1 added [ 95.823860][ T5887] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.831100][ T5887] 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. [ 95.858699][ T5887] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.875615][ T5887] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.883637][ T5887] 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. [ 95.912661][ T5887] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.958365][ T5887] hsr_slave_0: entered promiscuous mode [ 95.965247][ T5887] hsr_slave_1: entered promiscuous mode [ 96.111569][ T5887] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.124581][ T5887] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.135518][ T5887] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.146707][ T5887] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.226805][ T5887] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.249170][ T5887] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.267130][ T251] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.274579][ T251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.291028][ T78] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.298917][ T78] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.469714][ T5887] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.511105][ T5887] veth0_vlan: entered promiscuous mode [ 96.524970][ T5887] veth1_vlan: entered promiscuous mode [ 96.555924][ T5887] veth0_macvtap: entered promiscuous mode [ 96.567430][ T5887] veth1_macvtap: entered promiscuous mode [ 96.586530][ T5887] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.601480][ T5887] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.618566][ T251] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.629972][ T251] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.641360][ T251] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.651507][ T78] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.819119][ T78] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.928770][ T78] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.005480][ T78] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.105181][ T78] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.415493][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.424102][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.435285][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.445067][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.453098][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/03/21 20:08:59 executed programs: 0 [ 98.557604][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.566126][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.574241][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.584275][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.594260][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 98.742424][ T5936] chnl_net:caif_netlink_parms(): no params data found [ 98.817031][ T5936] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.824944][ T5936] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.832906][ T5936] bridge_slave_0: entered allmulticast mode [ 98.840444][ T5936] bridge_slave_0: entered promiscuous mode [ 98.849240][ T5936] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.857177][ T5936] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.865560][ T5936] bridge_slave_1: entered allmulticast mode [ 98.873623][ T5936] bridge_slave_1: entered promiscuous mode [ 98.908628][ T5936] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.920707][ T5936] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.953593][ T5936] team0: Port device team_slave_0 added [ 98.961600][ T5936] team0: Port device team_slave_1 added [ 98.989203][ T5936] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.996939][ T5936] 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. [ 99.025020][ T5936] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.037896][ T5936] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.045221][ T5936] 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. [ 99.071948][ T5936] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.117463][ T5936] hsr_slave_0: entered promiscuous mode [ 99.124122][ T5936] hsr_slave_1: entered promiscuous mode [ 99.130398][ T5936] debugfs: 'hsr0' already exists in 'hsr' [ 99.136587][ T5936] Cannot create hsr debugfs directory [ 99.317776][ T78] bridge_slave_1: left allmulticast mode [ 99.327536][ T78] bridge_slave_1: left promiscuous mode [ 99.334553][ T78] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.346210][ T78] bridge_slave_0: left allmulticast mode [ 99.353675][ T78] bridge_slave_0: left promiscuous mode [ 99.359891][ T78] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.521094][ T78] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 99.533752][ T78] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 99.543633][ T78] bond0 (unregistering): Released all slaves [ 99.662655][ T78] hsr_slave_0: left promiscuous mode [ 99.668819][ T78] hsr_slave_1: left promiscuous mode [ 99.675994][ T78] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 99.684219][ T78] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 99.696030][ T78] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 99.709068][ T78] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 99.725938][ T78] veth1_macvtap: left promiscuous mode [ 99.732399][ T78] veth0_macvtap: left promiscuous mode [ 99.738742][ T78] veth1_vlan: left promiscuous mode [ 99.745958][ T78] veth0_vlan: left promiscuous mode [ 100.105681][ T78] team0 (unregistering): Port device team_slave_1 removed [ 100.128472][ T78] team0 (unregistering): Port device team_slave_0 removed [ 100.632968][ T51] Bluetooth: hci0: command tx timeout [ 100.654119][ T5936] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.675306][ T5936] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.694401][ T5936] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.708483][ T5936] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.161025][ T5936] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.220278][ T5936] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.339956][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.348262][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.425150][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.433185][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.868355][ T5936] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.959498][ T5936] veth0_vlan: entered promiscuous mode [ 101.974732][ T5936] veth1_vlan: entered promiscuous mode [ 102.028256][ T5936] veth0_macvtap: entered promiscuous mode [ 102.043767][ T5936] veth1_macvtap: entered promiscuous mode [ 102.069853][ T5936] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 102.100809][ T5936] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 102.122180][ T72] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.149968][ T78] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.166364][ T78] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.181841][ T78] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.263132][ T78] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.271714][ T78] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.336616][ T78] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.346371][ T78] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.429165][ T6006] netlink: 12 bytes leftover after parsing attributes in process `syz.0.17'. [ 102.476423][ T51] block nbd0: Receive control failed (result -107) [ 102.722737][ T5919] Bluetooth: hci0: command tx timeout [ 102.723043][ T6006] nbd1: detected capacity change from 0 to 63 [ 102.735270][ T5141] block nbd1: Receive control failed (result -32) [ 102.735509][ T51] block nbd1: Receive control failed (result -32) [ 102.750635][ T5839] [ 102.753075][ T5839] ====================================================== [ 102.760274][ T5839] WARNING: possible circular locking dependency detected [ 102.767302][ T5839] syzkaller #0 Not tainted [ 102.771753][ T5839] ------------------------------------------------------ [ 102.779139][ T5839] udevd/5839 is trying to acquire lock: [ 102.784882][ T5839] ffff8880354fe470 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0x37b/0x1100 [ 102.794226][ T5839] [ 102.794226][ T5839] but task is already holding lock: [ 102.801793][ T5839] ffff888032d88180 (&cmd->lock){+.+.}-{4:4}, at: nbd_queue_rq+0xc6/0x1100 [ 102.810498][ T5839] [ 102.810498][ T5839] which lock already depends on the new lock. [ 102.810498][ T5839] [ 102.820997][ T5839] [ 102.820997][ T5839] the existing dependency chain (in reverse order) is: [ 102.830793][ T5839] [ 102.830793][ T5839] -> #6 (&cmd->lock){+.+.}-{4:4}: [ 102.838009][ T5839] __mutex_lock+0x19f/0x1300 [ 102.843128][ T5839] nbd_queue_rq+0xc6/0x1100 [ 102.848602][ T5839] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 102.855142][ T5839] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 102.862112][ T5839] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 102.868989][ T5839] blk_mq_run_hw_queue+0x348/0x4f0 [ 102.874834][ T5839] blk_mq_dispatch_list+0xd16/0xe10 [ 102.880801][ T5839] blk_mq_flush_plug_list+0x48d/0x570 [ 102.886892][ T5839] __blk_flush_plug+0x3ed/0x4d0 [ 102.892508][ T5839] __submit_bio+0x28d/0x580 [ 102.897549][ T5839] submit_bio_noacct_nocheck+0x2f4/0xa70 [ 102.903902][ T5839] block_read_full_folio+0x599/0x830 [ 102.910463][ T5839] filemap_read_folio+0x137/0x3b0 [ 102.916130][ T5839] do_read_cache_folio+0x358/0x590 [ 102.921880][ T5839] read_part_sector+0xb6/0x2b0 [ 102.928843][ T5839] adfspart_check_ICS+0xa5/0xa40 [ 102.935556][ T5839] bdev_disk_changed+0x7ba/0x1550 [ 102.941871][ T5839] blkdev_get_whole+0x380/0x510 [ 102.947743][ T5839] bdev_open+0x31e/0xd30 [ 102.954673][ T5839] blkdev_open+0x470/0x610 [ 102.959820][ T5839] do_dentry_open+0x785/0x14e0 [ 102.965476][ T5839] vfs_open+0x3b/0x340 [ 102.970266][ T5839] path_openat+0x2e08/0x3860 [ 102.976183][ T5839] do_file_open+0x23e/0x4a0 [ 102.982459][ T5839] do_sys_openat2+0x113/0x200 [ 102.988637][ T5839] __x64_sys_openat+0x138/0x170 [ 102.994939][ T5839] do_syscall_64+0x14d/0xf80 [ 103.000183][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.007262][ T5839] [ 103.007262][ T5839] -> #5 (set->srcu){.+.+}-{0:0}: [ 103.015538][ T5839] __synchronize_srcu+0xca/0x3e0 [ 103.023631][ T5839] elevator_switch+0x1e8/0x7a0 [ 103.029385][ T5839] elevator_change+0x2cc/0x450 [ 103.035148][ T5839] elevator_set_default+0x36c/0x430 [ 103.040888][ T5839] blk_register_queue+0x366/0x430 [ 103.046450][ T5839] __add_disk+0x677/0xd50 [ 103.051589][ T5839] add_disk_fwnode+0xfb/0x480 [ 103.057327][ T5839] nbd_dev_add+0x72c/0xb50 [ 103.063260][ T5839] nbd_init+0x168/0x1f0 [ 103.068507][ T5839] do_one_initcall+0x250/0x8d0 [ 103.074116][ T5839] do_initcall_level+0x104/0x190 [ 103.079823][ T5839] do_initcalls+0x59/0xa0 [ 103.085045][ T5839] kernel_init_freeable+0x2a6/0x3e0 [ 103.090978][ T5839] kernel_init+0x1d/0x1d0 [ 103.096008][ T5839] ret_from_fork+0x51e/0xb90 [ 103.101126][ T5839] ret_from_fork_asm+0x1a/0x30 [ 103.106524][ T5839] [ 103.106524][ T5839] -> #4 (&q->elevator_lock){+.+.}-{4:4}: [ 103.114538][ T5839] __mutex_lock+0x19f/0x1300 [ 103.119864][ T5839] elevator_change+0x1b3/0x450 [ 103.125426][ T5839] elevator_set_none+0xb5/0x140 [ 103.131017][ T5839] blk_mq_update_nr_hw_queues+0x5e7/0x1a60 [ 103.137552][ T5839] nbd_start_device+0x17f/0xb10 [ 103.143119][ T5839] nbd_genl_connect+0x165b/0x1cf0 [ 103.148827][ T5839] genl_family_rcv_msg_doit+0x22a/0x330 [ 103.155524][ T5839] genl_rcv_msg+0x61c/0x7a0 [ 103.160812][ T5839] netlink_rcv_skb+0x232/0x4b0 [ 103.167043][ T5839] genl_rcv+0x28/0x40 [ 103.171629][ T5839] netlink_unicast+0x80f/0x9b0 [ 103.177022][ T5839] netlink_sendmsg+0x813/0xb40 [ 103.182308][ T5839] ____sys_sendmsg+0x972/0x9f0 [ 103.187627][ T5839] ___sys_sendmsg+0x2a5/0x360 [ 103.192877][ T5839] __x64_sys_sendmsg+0x1bd/0x2a0 [ 103.198453][ T5839] do_syscall_64+0x14d/0xf80 [ 103.203831][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.210342][ T5839] [ 103.210342][ T5839] -> #3 (&q->q_usage_counter(io)#50){++++}-{0:0}: [ 103.219306][ T5839] blk_alloc_queue+0x546/0x680 [ 103.224787][ T5839] __blk_mq_alloc_disk+0x197/0x390 [ 103.230585][ T5839] nbd_dev_add+0x499/0xb50 [ 103.235896][ T5839] nbd_init+0x168/0x1f0 [ 103.240946][ T5839] do_one_initcall+0x250/0x8d0 [ 103.246330][ T5839] do_initcall_level+0x104/0x190 [ 103.251806][ T5839] do_initcalls+0x59/0xa0 [ 103.256686][ T5839] kernel_init_freeable+0x2a6/0x3e0 [ 103.262506][ T5839] kernel_init+0x1d/0x1d0 [ 103.267372][ T5839] ret_from_fork+0x51e/0xb90 [ 103.272939][ T5839] ret_from_fork_asm+0x1a/0x30 [ 103.278554][ T5839] [ 103.278554][ T5839] -> #2 (fs_reclaim){+.+.}-{0:0}: [ 103.286422][ T5839] fs_reclaim_acquire+0x71/0x100 [ 103.292461][ T5839] kmem_cache_alloc_node_noprof+0x4a/0x690 [ 103.300246][ T5839] __alloc_skb+0x27d/0x7d0 [ 103.305304][ T5839] __ip6_append_data+0x2a44/0x3c50 [ 103.311078][ T5839] ip6_append_data+0x10f/0x280 [ 103.316560][ T5839] rawv6_sendmsg+0x12d3/0x18e0 [ 103.322402][ T5839] ____sys_sendmsg+0x80a/0x9f0 [ 103.328233][ T5839] ___sys_sendmsg+0x2a5/0x360 [ 103.333750][ T5839] __x64_sys_sendmsg+0x1bd/0x2a0 [ 103.339241][ T5839] do_syscall_64+0x14d/0xf80 [ 103.345162][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.352295][ T5839] [ 103.352295][ T5839] -> #1 (sk_lock-AF_INET6){+.+.}-{0:0}: [ 103.360174][ T5839] lock_sock_nested+0x41/0x100 [ 103.365482][ T5839] inet_shutdown+0x6a/0x390 [ 103.370717][ T5839] nbd_mark_nsock_dead+0x2e9/0x560 [ 103.376484][ T5839] recv_work+0x1c7f/0x1d90 [ 103.381543][ T5839] process_scheduled_works+0xb6e/0x18c0 [ 103.387686][ T5839] worker_thread+0xa53/0xfc0 [ 103.392836][ T5839] kthread+0x388/0x470 [ 103.397432][ T5839] ret_from_fork+0x51e/0xb90 [ 103.402808][ T5839] ret_from_fork_asm+0x1a/0x30 [ 103.408333][ T5839] [ 103.408333][ T5839] -> #0 (&nsock->tx_lock){+.+.}-{4:4}: [ 103.416699][ T5839] __lock_acquire+0x15a5/0x2cf0 [ 103.422643][ T5839] lock_acquire+0xf0/0x2e0 [ 103.427822][ T5839] __mutex_lock+0x19f/0x1300 [ 103.433019][ T5839] nbd_queue_rq+0x37b/0x1100 [ 103.438227][ T5839] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 103.444497][ T5839] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 103.451549][ T5839] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 103.458592][ T5839] blk_mq_run_hw_queue+0x348/0x4f0 [ 103.464595][ T5839] blk_mq_dispatch_list+0xd16/0xe10 [ 103.470784][ T5839] blk_mq_flush_plug_list+0x48d/0x570 [ 103.477500][ T5839] __blk_flush_plug+0x3ed/0x4d0 [ 103.483310][ T5839] __submit_bio+0x28d/0x580 [ 103.488535][ T5839] submit_bio_noacct_nocheck+0x2f4/0xa70 [ 103.496344][ T5839] block_read_full_folio+0x599/0x830 [ 103.502768][ T5839] filemap_read_folio+0x137/0x3b0 [ 103.508338][ T5839] do_read_cache_folio+0x358/0x590 [ 103.514102][ T5839] read_part_sector+0xb6/0x2b0 [ 103.519507][ T5839] adfspart_check_ICS+0xa5/0xa40 [ 103.525354][ T5839] bdev_disk_changed+0x7ba/0x1550 [ 103.531099][ T5839] blkdev_get_whole+0x380/0x510 [ 103.536702][ T5839] bdev_open+0x31e/0xd30 [ 103.541565][ T5839] blkdev_open+0x470/0x610 [ 103.546696][ T5839] do_dentry_open+0x785/0x14e0 [ 103.552179][ T5839] vfs_open+0x3b/0x340 [ 103.556774][ T5839] path_openat+0x2e08/0x3860 [ 103.561977][ T5839] do_file_open+0x23e/0x4a0 [ 103.567100][ T5839] do_sys_openat2+0x113/0x200 [ 103.572567][ T5839] __x64_sys_openat+0x138/0x170 [ 103.578115][ T5839] do_syscall_64+0x14d/0xf80 [ 103.583234][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.589740][ T5839] [ 103.589740][ T5839] other info that might help us debug this: [ 103.589740][ T5839] [ 103.600143][ T5839] Chain exists of: [ 103.600143][ T5839] &nsock->tx_lock --> set->srcu --> &cmd->lock [ 103.600143][ T5839] [ 103.612588][ T5839] Possible unsafe locking scenario: [ 103.612588][ T5839] [ 103.620910][ T5839] CPU0 CPU1 [ 103.626843][ T5839] ---- ---- [ 103.632569][ T5839] lock(&cmd->lock); [ 103.636563][ T5839] lock(set->srcu); [ 103.642980][ T5839] lock(&cmd->lock); [ 103.649496][ T5839] lock(&nsock->tx_lock); [ 103.654145][ T5839] [ 103.654145][ T5839] *** DEADLOCK *** [ 103.654145][ T5839] [ 103.662482][ T5839] 3 locks held by udevd/5839: [ 103.667500][ T5839] #0: ffff888026c2b358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 103.677266][ T5839] #1: ffff8880259ac618 (set->srcu){.+.+}-{0:0}, at: blk_mq_run_hw_queue+0x31f/0x4f0 [ 103.687285][ T5839] #2: ffff888032d88180 (&cmd->lock){+.+.}-{4:4}, at: nbd_queue_rq+0xc6/0x1100 [ 103.696695][ T5839] [ 103.696695][ T5839] stack backtrace: [ 103.703107][ T5839] CPU: 1 UID: 0 PID: 5839 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 103.703125][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 103.703134][ T5839] Call Trace: [ 103.703142][ T5839] [ 103.703148][ T5839] dump_stack_lvl+0xe8/0x150 [ 103.703171][ T5839] print_circular_bug+0x2e1/0x300 [ 103.703195][ T5839] check_noncircular+0x12e/0x150 [ 103.703219][ T5839] __lock_acquire+0x15a5/0x2cf0 [ 103.703245][ T5839] lock_acquire+0xf0/0x2e0 [ 103.703263][ T5839] ? nbd_queue_rq+0x37b/0x1100 [ 103.703281][ T5839] __mutex_lock+0x19f/0x1300 [ 103.703299][ T5839] ? nbd_queue_rq+0x37b/0x1100 [ 103.703314][ T5839] ? is_bpf_text_address+0x292/0x2b0 [ 103.703329][ T5839] ? is_bpf_text_address+0x26/0x2b0 [ 103.703345][ T5839] ? kernel_text_address+0xa5/0xe0 [ 103.703361][ T5839] ? nbd_queue_rq+0x37b/0x1100 [ 103.703375][ T5839] ? __kernel_text_address+0xd/0x30 [ 103.703390][ T5839] ? unwind_get_return_address+0x4d/0x90 [ 103.703413][ T5839] ? __pfx___mutex_lock+0x10/0x10 [ 103.703435][ T5839] nbd_queue_rq+0x37b/0x1100 [ 103.703451][ T5839] ? add_lock_to_list+0xc7/0x100 [ 103.703474][ T5839] ? __pfx_nbd_queue_rq+0x10/0x10 [ 103.703489][ T5839] ? is_bpf_text_address+0x26/0x2b0 [ 103.703507][ T5839] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 103.703530][ T5839] ? sbitmap_get+0x229/0x390 [ 103.703546][ T5839] ? __pfx_blk_mq_dispatch_rq_list+0x10/0x10 [ 103.703562][ T5839] ? __blk_mq_alloc_driver_tag+0x2e7/0x6e0 [ 103.703581][ T5839] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 103.703606][ T5839] ? __pfx___blk_mq_sched_dispatch_requests+0x10/0x10 [ 103.703630][ T5839] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 103.703649][ T5839] ? blk_mq_run_hw_queue+0x31f/0x4f0 [ 103.703664][ T5839] blk_mq_run_hw_queue+0x348/0x4f0 [ 103.703681][ T5839] blk_mq_dispatch_list+0xd16/0xe10 [ 103.703698][ T5839] ? bdev_count_inflight+0x1cf/0x210 [ 103.703718][ T5839] ? blk_mq_dispatch_list+0x1c0/0xe10 [ 103.703736][ T5839] ? __pfx_blk_mq_dispatch_list+0x10/0x10 [ 103.703755][ T5839] ? rcu_is_watching+0x15/0xb0 [ 103.703776][ T5839] blk_mq_flush_plug_list+0x48d/0x570 [ 103.703794][ T5839] ? blk_add_rq_to_plug+0x300/0x450 [ 103.703810][ T5839] ? blk_mq_submit_bio+0xef8/0x2810 [ 103.703827][ T5839] ? __pfx_blk_mq_flush_plug_list+0x10/0x10 [ 103.703847][ T5839] __blk_flush_plug+0x3ed/0x4d0 [ 103.703867][ T5839] ? __pfx___blk_flush_plug+0x10/0x10 [ 103.703886][ T5839] __submit_bio+0x28d/0x580 [ 103.703905][ T5839] ? __pfx___submit_bio+0x10/0x10 [ 103.703931][ T5839] ? bio_associate_blkg+0x6d/0x230 [ 103.703952][ T5839] submit_bio_noacct_nocheck+0x2f4/0xa70 [ 103.703970][ T5839] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 103.703987][ T5839] ? bio_alloc_bioset+0xbe2/0x11b0 [ 103.704013][ T5839] block_read_full_folio+0x599/0x830 [ 103.704033][ T5839] ? __pfx_blkdev_get_block+0x10/0x10 [ 103.704053][ T5839] filemap_read_folio+0x137/0x3b0 [ 103.704071][ T5839] ? __pfx_blkdev_read_folio+0x10/0x10 [ 103.704089][ T5839] ? __pfx_filemap_read_folio+0x10/0x10 [ 103.704106][ T5839] ? filemap_add_folio+0x356/0x530 [ 103.704126][ T5839] do_read_cache_folio+0x358/0x590 [ 103.704144][ T5839] ? __pfx_blkdev_read_folio+0x10/0x10 [ 103.704163][ T5839] read_part_sector+0xb6/0x2b0 [ 103.704181][ T5839] adfspart_check_ICS+0xa5/0xa40 [ 103.704199][ T5839] ? snprintf+0xe8/0x140 [ 103.704219][ T5839] ? __pfx___vmalloc_node_range_noprof+0x10/0x10 [ 103.704236][ T5839] ? __pfx_adfspart_check_ICS+0x10/0x10 [ 103.704261][ T5839] bdev_disk_changed+0x7ba/0x1550 [ 103.704280][ T5839] ? bdev_open+0xe0/0xd30 [ 103.704297][ T5839] ? __pfx_bdev_disk_changed+0x10/0x10 [ 103.704316][ T5839] blkdev_get_whole+0x380/0x510 [ 103.704335][ T5839] bdev_open+0x31e/0xd30 [ 103.704354][ T5839] blkdev_open+0x470/0x610 [ 103.704379][ T5839] ? __pfx_blkdev_open+0x10/0x10 [ 103.704396][ T5839] do_dentry_open+0x785/0x14e0 [ 103.704421][ T5839] vfs_open+0x3b/0x340 [ 103.704440][ T5839] ? path_openat+0x2df0/0x3860 [ 103.704457][ T5839] path_openat+0x2e08/0x3860 [ 103.704481][ T5839] ? __pfx_stack_trace_save+0x10/0x10 [ 103.704497][ T5839] ? stack_depot_save_flags+0x33/0x810 [ 103.704522][ T5839] ? __pfx_path_openat+0x10/0x10 [ 103.704541][ T5839] ? __x64_sys_openat+0x138/0x170 [ 103.704561][ T5839] ? do_syscall_64+0x14d/0xf80 [ 103.704577][ T5839] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.704595][ T5839] ? __lock_acquire+0x6b5/0x2cf0 [ 103.704615][ T5839] do_file_open+0x23e/0x4a0 [ 103.704637][ T5839] ? __pfx_do_file_open+0x10/0x10 [ 103.704658][ T5839] ? _raw_spin_unlock+0x28/0x50 [ 103.704673][ T5839] ? alloc_fd+0x64b/0x6c0 [ 103.704696][ T5839] do_sys_openat2+0x113/0x200 [ 103.704721][ T5839] ? __pfx___x64_sys_recvmsg+0x10/0x10 [ 103.704740][ T5839] ? __pfx_do_sys_openat2+0x10/0x10 [ 103.704763][ T5839] ? rcu_is_watching+0x15/0xb0 [ 103.704784][ T5839] __x64_sys_openat+0x138/0x170 [ 103.704806][ T5839] do_syscall_64+0x14d/0xf80 [ 103.704827][ T5839] ? trace_irq_disable+0x3b/0x150 [ 103.704848][ T5839] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.704862][ T5839] ? clear_bhb_loop+0x40/0x90 [ 103.704878][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.704897][ T5839] RIP: 0033:0x7f5c374a7407 [ 103.704912][ T5839] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 103.704931][ T5839] RSP: 002b:00007ffdef8ae8b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 103.704947][ T5839] RAX: ffffffffffffffda RBX: 00007f5c37b87880 RCX: 00007f5c374a7407 [ 103.704958][ T5839] RDX: 00000000000a0800 RSI: 000055876c1a9280 RDI: ffffffffffffff9c [ 103.704968][ T5839] RBP: 000055876c19a910 R08: 0000000000000000 R09: 0000000000000000 [ 103.704977][ T5839] R10: 0000000000000000 R11: 0000000000000202 R12: 000055876c1b2e00 [ 103.704987][ T5839] R13: 000055876c1a8190 R14: 0000000000000000 R15: 000055876c1b2e00 [ 103.705001][ T5839] [ 104.339585][ T6011] netlink: 12 bytes leftover after parsing attributes in process `syz.0.18'. [ 104.349859][ T5839] block nbd1: Dead connection, failed to find a fallback [ 104.358686][ T5839] block nbd1: shutting down sockets [ 104.364229][ T5839] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 104.374203][ T5839] Buffer I/O error on dev nbd1, logical block 0, async page read [ 104.375008][ T51] block nbd2: Receive control failed (result -107) 2026/03/21 20:09:05 executed programs: 3 [ 104.382192][ T5839] I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 104.398880][ T5839] Buffer I/O error on dev nbd1, logical block 1, async page read [ 104.407126][ T5839] I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 104.417608][ T5839] Buffer I/O error on dev nbd1, logical block 2, async page read [ 104.426452][ T5839] I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 104.436433][ T5839] Buffer I/O error on dev nbd1, logical block 3, async page read [ 104.444598][ T5839] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 104.454201][ T5839] Buffer I/O error on dev nbd1, logical block 0, async page read [ 104.462590][ T5839] I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 104.472680][ T5839] Buffer I/O error on dev nbd1, logical block 1, async page read [ 104.480684][ T5839] I/O error, dev nbd1, sector 4 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 104.490405][ T5839] Buffer I/O error on dev nbd1, logical block 2, async page read [ 104.498397][ T5839] I/O error, dev nbd1, sector 6 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 104.508441][ T5839] Buffer I/O error on dev nbd1, logical block 3, async page read [ 104.516657][ T5839] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 104.527259][ T5839] Buffer I/O error on dev nbd1, logical block 0, async page read [ 104.535866][ T5839] I/O error, dev nbd1, sector 2 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 104.545685][ T5839] Buffer I/O error on dev nbd1, logical block 1, async page read [ 104.554766][ T5839] ldm_validate_partition_table(): Disk read failed. [ 104.562593][ T5839] Dev nbd1: unable to read RDB block 0 [ 104.568631][ T5839] nbd1: unable to read partition table [ 104.577890][ T5839] ldm_validate_partition_table(): Disk read failed. [ 104.585252][ T5839] Dev nbd1: unable to read RDB block 0 [ 104.591297][ T5839] nbd1: unable to read partition table [ 104.732062][ T6011] nbd3: detected capacity change from 0 to 63 [ 104.738611][ T5141] block nbd3: Receive control failed (result -32) [ 104.745417][ T51] block nbd3: Receive control failed (result -32) [ 104.753028][ T5839] block nbd3: Send control failed (result -32) [ 104.759340][ T5839] block nbd3: Request send failed, requeueing [ 104.778652][ T6012] netlink: 12 bytes leftover after parsing attributes in process `syz.0.19'. [ 104.788581][ T5839] block nbd3: Dead connection, failed to find a fallback [ 104.796702][ T5839] block nbd3: shutting down sockets [ 104.802680][ T51] Bluetooth: hci0: command tx timeout [ 104.803390][ T5839] ldm_validate_partition_table(): Disk read failed. [ 104.818375][ T5839] Dev nbd3: unable to read RDB block 0 [ 104.825050][ T5839] nbd3: unable to read partition table [ 104.833286][ T51] block nbd4: Receive control failed (result -107) [ 104.834374][ T5839] ldm_validate_partition_table(): Disk read failed. [ 104.847795][ T5839] Dev nbd3: unable to read RDB block 0 [ 104.854064][ T5839] nbd3: unable to read partition table [ 105.122093][ T6012] nbd5: detected capacity change from 0 to 63 [ 105.129077][ T5141] block nbd5: Receive control failed (result -32) [ 105.135819][ T51] block nbd5: Receive control failed (result -32) [ 105.151162][ T5839] block nbd5: Dead connection, failed to find a fallback [ 105.156479][ T6013] netlink: 12 bytes leftover after parsing attributes in process `syz.0.20'. [ 105.158959][ T5839] block nbd5: shutting down sockets [ 105.173640][ T5839] ldm_validate_partition_table(): Disk read failed. [ 105.181696][ T5839] Dev nbd5: unable to read RDB block 0 [ 105.188177][ T5839] nbd5: unable to read partition table [ 105.202705][ T51] block nbd6: Receive control failed (result -107) [ 105.210062][ T5839] ldm_validate_partition_table(): Disk read failed. [ 105.217216][ T5839] Dev nbd5: unable to read RDB block 0 [ 105.223827][ T5839] nbd5: unable to read partition table [ 105.422112][ T6013] nbd7: detected capacity change from 0 to 63 [ 105.428792][ T5141] block nbd7: Receive control failed (result -32) [ 105.435669][ T51] block nbd7: Receive control failed (result -32) [ 105.443036][ T5839] block nbd7: Send control failed (result -32) [ 105.449435][ T5839] block nbd7: Request send failed, requeueing [ 105.456287][ T5202] block nbd7: Dead connection, failed to find a fallback [ 105.463633][ T5202] block nbd7: shutting down sockets [ 105.469659][ T5839] ldm_validate_partition_table(): Disk read failed. [ 105.477122][ T5839] Dev nbd7: unable to read RDB block 0 [ 105.478450][ T6014] netlink: 12 bytes leftover after parsing attributes in process `syz.0.21'. [ 105.483258][ T5839] nbd7: unable to read partition table [ 105.500508][ T5839] ldm_validate_partition_table(): Disk read failed. [ 105.508249][ T5839] Dev nbd7: unable to read RDB block 0 [ 105.514619][ T5839] nbd7: unable to read partition table [ 105.552574][ T51] block nbd8: Receive control failed (result -107) [ 105.802267][ T6014] nbd9: detected capacity change from 0 to 63 [ 105.808933][ T51] block nbd9: Receive control failed (result -32) [ 105.809321][ T5141] block nbd9: Receive control failed (result -32) [ 105.816159][ T5839] block nbd9: Send control failed (result -32) [ 105.831218][ T5839] block nbd9: Request send failed, requeueing [ 105.839154][ T1705] block nbd9: Dead connection, failed to find a fallback [ 105.848528][ T1705] block nbd9: shutting down sockets [ 105.852470][ T6015] netlink: 12 bytes leftover after parsing attributes in process `syz.0.22'. [ 105.855734][ T5839] ldm_validate_partition_table(): Disk read failed. [ 105.871191][ T5839] Dev nbd9: unable to read RDB block 0 [ 105.878971][ T5839] nbd9: unable to read partition table [ 105.889621][ T5839] ldm_validate_partition_table(): Disk read failed. [ 105.896880][ T5839] Dev nbd9: unable to read RDB block 0 [ 105.903149][ T5839] nbd9: unable to read partition table [ 105.922814][ T5141] block nbd10: Receive control failed (result -107) [ 106.182115][ T6015] nbd11: detected capacity change from 0 to 63 [ 106.188790][ T51] block nbd11: Receive control failed (result -32) [ 106.189115][ T5141] block nbd11: Receive control failed (result -32) [ 106.196103][ T5839] block nbd11: Send control failed (result -32) [ 106.211879][ T5839] block nbd11: Request send failed, requeueing [ 106.218925][ T1705] block nbd11: Dead connection, failed to find a fallback [ 106.223279][ T6016] netlink: 12 bytes leftover after parsing attributes in process `syz.0.23'. [ 106.228041][ T1705] block nbd11: shutting down sockets [ 106.243132][ T5839] ldm_validate_partition_table(): Disk read failed. [ 106.250543][ T5839] Dev nbd11: unable to read RDB block 0 [ 106.256968][ T5839] nbd11: unable to read partition table [ 106.268047][ T5839] ldm_validate_partition_table(): Disk read failed. [ 106.272551][ T51] block nbd12: Receive control failed (result -107) [ 106.275421][ T5839] Dev nbd11: unable to read RDB block 0 [ 106.288318][ T5839] nbd11: unable to read partition table [ 106.532300][ T6016] nbd13: detected capacity change from 0 to 63 [ 106.539526][ T51] block nbd13: Receive control failed (result -32) [ 106.546271][ T5141] block nbd13: Receive control failed (result -32) [ 106.552425][ T5839] block nbd13: Send control failed (result -32) [ 106.559252][ T5839] block nbd13: Request send failed, requeueing [ 106.566116][ T5839] block nbd13: Dead connection, failed to find a fallback [ 106.573529][ T5839] block nbd13: shutting down sockets [ 106.578422][ T6017] netlink: 12 bytes leftover after parsing attributes in process `syz.0.24'. [ 106.580235][ T5839] ldm_validate_partition_table(): Disk read failed. [ 106.596510][ T5839] Dev nbd13: unable to read RDB block 0 [ 106.603075][ T5839] nbd13: unable to read partition table [ 106.610902][ T5839] ldm_validate_partition_table(): Disk read failed. [ 106.618334][ T5839] Dev nbd13: unable to read RDB block 0 [ 106.624396][ T5839] nbd13: unable to read partition table [ 106.652970][ T5141] block nbd14: Receive control failed (result -107) [ 106.872101][ T5919] Bluetooth: hci0: command tx timeout [ 106.882543][ T6017] nbd15: detected capacity change from 0 to 63 [ 106.889753][ T5839] block nbd15: Send control failed (result -32) [ 106.889791][ T51] block nbd15: Receive control failed (result -104) [ 106.896627][ T5141] block nbd15: Receive control failed (result -32) [ 106.910348][ T5839] block nbd15: Request send failed, requeueing [ 106.917216][ T1705] block nbd15: Dead connection, failed to find a fallback [ 106.924799][ T1705] block nbd15: shutting down sockets [ 106.944593][ T6018] netlink: 12 bytes leftover after parsing attributes in process `syz.0.25'. [ 107.003594][ T51] block nbd16: Receive control failed (result -107) [ 107.292040][ T6018] nbd17: detected capacity change from 0 to 63 [ 107.298866][ T5141] block nbd17: Receive control failed (result -32) [ 107.305763][ T51] block nbd17: Receive control failed (result -32) [ 107.308652][ T6020] block nbd17: Send control failed (result -32) [ 107.318968][ T6020] block nbd17: Request send failed, requeueing [ 107.329961][ T5202] block nbd17: Dead connection, failed to find a fallback [ 107.337366][ T5202] block nbd17: shutting down sockets [ 107.344139][ T6020] ldm_validate_partition_table(): Disk read failed. [ 107.351407][ T6020] Dev nbd17: unable to read RDB block 0 [ 107.357803][ T6020] nbd17: unable to read partition table [ 107.366377][ T6022] netlink: 12 bytes leftover after parsing attributes in process `syz.0.26'. [ 107.379674][ T6020] ldm_validate_partition_table(): Disk read failed. [ 107.387009][ T6020] Dev nbd17: unable to read RDB block 0 [ 107.394201][ T6020] nbd17: unable to read partition table [ 107.422571][ T5141] block nbd18: Receive control failed (result -107) [ 107.672108][ T6022] nbd19: detected capacity change from 0 to 63 [ 107.678695][ T5141] block nbd19: Receive control failed (result -32) [ 107.678924][ T51] block nbd19: Receive control failed (result -32) [ 107.693182][ T6020] block nbd19: Send control failed (result -32) [ 107.700970][ T6020] block nbd19: Request send failed, requeueing [ 107.707929][ T6020] block nbd19: Dead connection, failed to find a fallback [ 107.715304][ T1705] block nbd19: shutting down sockets [ 107.720072][ T6026] netlink: 12 bytes leftover after parsing attributes in process `syz.0.27'. [ 107.722884][ T6020] ldm_validate_partition_table(): Disk read failed. [ 107.742630][ T6020] Dev nbd19: unable to read RDB block 0 [ 107.748888][ T6020] nbd19: unable to read partition table [ 107.758004][ T6020] ldm_validate_partition_table(): Disk read failed. [ 107.765959][ T51] block nbd20: Receive control failed (result -107) [ 107.766010][ T6020] Dev nbd19: unable to read RDB block 0 [ 107.778675][ T6020] nbd19: unable to read partition table [ 108.022069][ T6026] nbd21: detected capacity change from 0 to 63 [ 108.029198][ T51] block nbd21: Receive control failed (result -32) [ 108.029413][ T5141] block nbd21: Receive control failed (result -32) [ 108.036647][ T6020] block nbd21: Send control failed (result -32) [ 108.050146][ T6020] block nbd21: Request send failed, requeueing [ 108.057084][ T1705] block nbd21: shutting down sockets [ 108.063651][ T6020] ldm_validate_partition_table(): Disk read failed. [ 108.070675][ T6020] Dev nbd21: unable to read RDB block 0 [ 108.077520][ T6020] nbd21: unable to read partition table [ 108.086210][ T6029] netlink: 12 bytes leftover after parsing attributes in process `syz.0.28'. [ 108.099688][ T6020] ldm_validate_partition_table(): Disk read failed. [ 108.108938][ T6020] Dev nbd21: unable to read RDB block 0 [ 108.115873][ T6020] nbd21: unable to read partition table [ 108.172856][ T5141] block nbd22: Receive control failed (result -107) [ 108.422063][ T6029] nbd23: detected capacity change from 0 to 63 [ 108.428746][ T51] block nbd23: Receive control failed (result -32) [ 108.428998][ T5141] block nbd23: Receive control failed (result -32) [ 108.442758][ T6020] block nbd23: Send control failed (result -32) [ 108.449123][ T6020] block nbd23: Request send failed, requeueing [ 108.456234][ T5202] block nbd23: shutting down sockets [ 108.462920][ T6020] ldm_validate_partition_table(): Disk read failed. [ 108.470066][ T6020] Dev nbd23: unable to read RDB block 0 [ 108.477301][ T6020] nbd23: unable to read partition table [ 108.486423][ T6020] ldm_validate_partition_table(): Disk read failed. [ 108.497424][ T6020] Dev nbd23: unable to read RDB block 0 [ 108.503782][ T6020] nbd23: unable to read partition table [ 108.516058][ T6032] netlink: 12 bytes leftover after parsing attributes in process `syz.0.29'. [ 108.572946][ T5141] block nbd24: Receive control failed (result -107) [ 108.842130][ T6032] nbd25: detected capacity change from 0 to 63 [ 108.848726][ T51] block nbd25: Receive control failed (result -32) [ 108.849648][ T5202] block nbd25: shutting down sockets [ 108.862007][ T6020] ldm_validate_partition_table(): Disk read failed. [ 108.869898][ T6020] Dev nbd25: unable to read RDB block 0 [ 108.876160][ T6020] nbd25: unable to read partition table [ 108.893229][ T6020] ldm_validate_partition_table(): Disk read failed. [ 108.900352][ T6020] Dev nbd25: unable to read RDB block 0 [ 108.904579][ T6035] netlink: 12 bytes leftover after parsing attributes in process `syz.0.30'. [ 108.915518][ T6020] nbd25: unable to read partition table [ 108.962675][ T51] block nbd26: Receive control failed (result -107) [ 109.212059][ T6035] nbd27: detected capacity change from 0 to 63 [ 109.218983][ T5141] block nbd27: Receive control failed (result -32) [ 109.219257][ T51] block nbd27: Receive control failed (result -32) [ 109.232833][ T6020] block nbd27: shutting down sockets [ 109.239813][ T6020] ldm_validate_partition_table(): Disk read failed. [ 109.247575][ T6020] Dev nbd27: unable to read RDB block 0 [ 109.253711][ T6020] nbd27: unable to read partition table [ 109.261567][ T6020] ldm_validate_partition_table(): Disk read failed. [ 109.269151][ T6020] Dev nbd27: unable to read RDB block 0 [ 109.275605][ T6020] nbd27: unable to read partition table [ 109.285109][ T6038] netlink: 12 bytes leftover after parsing attributes in process `syz.0.31'. [ 109.322483][ T5141] block nbd28: Receive control failed (result -107) [ 109.622138][ T6038] nbd29: detected capacity change from 0 to 63 [ 109.628962][ T51] block nbd29: Receive control failed (result -32) [ 109.628967][ T5141] block nbd29: Receive control failed (result -32) [ 109.643858][ T25] find_fallback: 5 callbacks suppressed [ 109.643879][ T25] block nbd29: Dead connection, failed to find a fallback [ 109.658252][ T6020] block nbd29: Dead connection, failed to find a fallback 2026/03/21 20:09:10 executed programs: 17 [ 109.667605][ T6020] blk_print_req_error: 1917 callbacks suppressed [ 109.667623][ T6020] I/O error, dev nbd29, sector 2 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 109.667630][ T25] block nbd29: shutting down sockets [ 109.667651][ T6020] buffer_io_error: 1917 callbacks suppressed [ 109.667661][ T6020] Buffer I/O error on dev nbd29, logical block 1, async page read [ 109.675176][ T25] I/O error, dev nbd29, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 109.684795][ T6020] I/O error, dev nbd29, sector 4 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 109.691075][ T25] Buffer I/O error on dev nbd29, logical block 0, async page read [ 109.697924][ T6020] Buffer I/O error on dev nbd29, logical block 2, async page read [ 109.698008][ T6020] I/O error, dev nbd29, sector 6 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 109.712754][ T6041] netlink: 12 bytes leftover after parsing attributes in process `syz.0.32'. [ 109.718658][ T6020] Buffer I/O error on dev nbd29, logical block 3, async page read [ 109.769415][ T6020] I/O error, dev nbd29, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 109.779183][ T6020] Buffer I/O error on dev nbd29, logical block 0, async page read [ 109.787120][ T6020] I/O error, dev nbd29, sector 2 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 109.787805][ T51] block nbd30: Receive control failed (result -107) [ 109.797204][ T6020] Buffer I/O error on dev nbd29, logical block 1, async page read [ 109.812393][ T6020] I/O error, dev nbd29, sector 4 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 109.822550][ T6020] Buffer I/O error on dev nbd29, logical block 2, async page read [ 109.831545][ T6020] I/O error, dev nbd29, sector 6 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 109.841915][ T6020] Buffer I/O error on dev nbd29, logical block 3, async page read [ 109.850017][ T6020] I/O error, dev nbd29, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 109.860459][ T6020] Buffer I/O error on dev nbd29, logical block 0, async page read [ 109.869000][ T6020] I/O error, dev nbd29, sector 2 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 109.879644][ T6020] Buffer I/O error on dev nbd29, logical block 1, async page read [ 109.891456][ T6020] ldm_validate_partition_table(): Disk read failed. [ 109.898962][ T6020] Dev nbd29: unable to read RDB block 0 [ 109.905892][ T6020] nbd29: unable to read partition table [ 109.917432][ T6020] ldm_validate_partition_table(): Disk read failed. [ 109.924958][ T6020] Dev nbd29: unable to read RDB block 0 [ 109.931764][ T6020] nbd29: unable to read partition table [ 110.092263][ T6041] nbd31: detected capacity change from 0 to 63 [ 110.098839][ T5141] block nbd31: Receive control failed (result -32) [ 110.105640][ T51] block nbd31: Receive control failed (result -32) [ 110.108895][ T6020] nbd_send_cmd: 5 callbacks suppressed [ 110.108915][ T6020] block nbd31: Send control failed (result -32) [ 110.124503][ T6020] nbd_send_cmd: 5 callbacks suppressed [ 110.124523][ T6020] block nbd31: Request send failed, requeueing [ 110.137589][ T25] block nbd31: Dead connection, failed to find a fallback [ 110.137677][ T6020] block nbd31: Dead connection, failed to find a fallback [ 110.155655][ T25] block nbd31: shutting down sockets [ 110.162394][ T6020] ldm_validate_partition_table(): Disk read failed. [ 110.169778][ T6020] Dev nbd31: unable to read RDB block 0 [ 110.179365][ T6045] netlink: 12 bytes leftover after parsing attributes in process `syz.0.33'. [ 110.189110][ T6020] nbd31: unable to read partition table [ 110.197634][ T6020] ldm_validate_partition_table(): Disk read failed. [ 110.204724][ T6020] Dev nbd31: unable to read RDB block 0 [ 110.210614][ T6020] nbd31: unable to read partition table [ 110.242527][ T5141] block nbd32: Receive control failed (result -107) [ 110.502125][ T6045] nbd33: detected capacity change from 0 to 63 [ 110.509537][ T51] block nbd33: Receive control failed (result -32) [ 110.509543][ T5141] block nbd33: Receive control failed (result -32) [ 110.524991][ T6020] block nbd33: Dead connection, failed to find a fallback [ 110.533623][ T6020] block nbd33: shutting down sockets [ 110.540805][ T6020] ldm_validate_partition_table(): Disk read failed. [ 110.547908][ T6020] Dev nbd33: unable to read RDB block 0 [ 110.554439][ T6020] nbd33: unable to read partition table [ 110.557164][ T6048] netlink: 12 bytes leftover after parsing attributes in process `syz.0.34'. [ 110.574634][ T6020] ldm_validate_partition_table(): Disk read failed. [ 110.581691][ T6020] Dev nbd33: unable to read RDB block 0 [ 110.588222][ T6020] nbd33: unable to read partition table [ 110.622391][ T51] block nbd34: Receive control failed (result -107) [ 110.892089][ T6048] nbd35: detected capacity change from 0 to 63 [ 110.899096][ T5141] block nbd35: Receive control failed (result -32) [ 110.906061][ T51] block nbd35: Receive control failed (result -32) [ 110.912464][ T6020] block nbd35: Send control failed (result -32) [ 110.919939][ T6020] block nbd35: Request send failed, requeueing [ 110.927612][ T25] block nbd35: Dead connection, failed to find a fallback [ 110.935266][ T25] block nbd35: shutting down sockets [ 110.941805][ T6020] ldm_validate_partition_table(): Disk read failed. [ 110.950073][ T6020] Dev nbd35: unable to read RDB block 0 [ 110.953093][ T6051] netlink: 12 bytes leftover after parsing attributes in process `syz.0.35'. [ 110.956590][ T6020] nbd35: unable to read partition table [ 110.975767][ T6020] ldm_validate_partition_table(): Disk read failed. [ 110.983623][ T6020] Dev nbd35: unable to read RDB block 0 [ 110.989720][ T6020] nbd35: unable to read partition table [ 111.022934][ T5141] block nbd36: Receive control failed (result -107) [ 111.292062][ T6051] nbd37: detected capacity change from 0 to 63 [ 111.298606][ T51] block nbd37: Receive control failed (result -32) [ 111.299066][ T6020] block nbd37: Send control failed (result -32) [ 111.311997][ T5141] block nbd37: Receive control failed (result -32) [ 111.320089][ T6020] block nbd37: Request send failed, requeueing [ 111.326952][ T25] block nbd37: Dead connection, failed to find a fallback [ 111.334702][ T25] block nbd37: shutting down sockets [ 111.342632][ T6020] ldm_validate_partition_table(): Disk read failed. [ 111.350382][ T6020] Dev nbd37: unable to read RDB block 0 [ 111.356700][ T6020] nbd37: unable to read partition table [ 111.366671][ T6020] ldm_validate_partition_table(): Disk read failed. [ 111.374243][ T6054] netlink: 12 bytes leftover after parsing attributes in process `syz.0.36'. [ 111.374392][ T6020] Dev nbd37: unable to read RDB block 0 [ 111.389365][ T6020] nbd37: unable to read partition table [ 111.422542][ T5141] block nbd38: Receive control failed (result -107) [ 111.692107][ T6054] nbd39: detected capacity change from 0 to 63 [ 111.699813][ T51] block nbd39: Receive control failed (result -32) [ 111.699984][ T5141] block nbd39: Receive control failed (result -32) [ 111.713757][ T6020] block nbd39: Send control failed (result -32) [ 111.720574][ T6020] block nbd39: Request send failed, requeueing [ 111.727861][ T5202] block nbd39: Dead connection, failed to find a fallback [ 111.735434][ T5202] block nbd39: shutting down sockets [ 111.742014][ T6020] ldm_validate_partition_table(): Disk read failed. [ 111.749045][ T6020] Dev nbd39: unable to read RDB block 0 [ 111.755378][ T6020] nbd39: unable to read partition table [ 111.765402][ T6020] ldm_validate_partition_table(): Disk read failed. [ 111.772499][ T6020] Dev nbd39: unable to read RDB block 0 [ 111.778558][ T6020] nbd39: unable to read partition table [ 111.792681][ T5141] block nbd40: Receive control failed (result -107) [ 112.082438][ T51] block nbd41: Receive control failed (result -32) [ 112.083182][ T6020] block nbd41: Send control failed (result -32) [ 112.089141][ T5141] block nbd41: Receive control failed (result -32) [ 112.095605][ T6020] block nbd41: Request send failed, requeueing [ 112.109085][ T6020] block nbd41: Dead connection, failed to find a fallback [ 112.123132][ T5202] block nbd41: Dead connection, failed to find a fallback [ 112.130848][ T6020] block nbd41: shutting down sockets [ 112.137643][ T6020] ldm_validate_partition_table(): Disk read failed. [ 112.145225][ T6020] Dev nbd41: unable to read RDB block 0 [ 112.152414][ T6020] nbd41: unable to read partition table [ 112.163134][ T6020] ldm_validate_partition_table(): Disk read failed. [ 112.171135][ T6020] Dev nbd41: unable to read RDB block 0 [ 112.178387][ T6020] nbd41: unable to read partition table [ 112.182823][ T5141] block nbd42: Receive control failed (result -107) [ 112.462398][ T51] block nbd43: Receive control failed (result -32) [ 112.462967][ T6020] block nbd43: Send control failed (result -32) [ 112.469172][ T5141] block nbd43: Receive control failed (result -32) [ 112.475896][ T6020] block nbd43: Request send failed, requeueing [ 112.488598][ T5202] block nbd43: shutting down sockets [ 112.495850][ T6020] ldm_validate_partition_table(): Disk read failed. [ 112.503015][ T6020] Dev nbd43: unable to read RDB block 0 [ 112.509176][ T6020] nbd43: unable to read partition table [ 112.525594][ T6020] ldm_validate_partition_table(): Disk read failed. [ 112.537080][ T6020] Dev nbd43: unable to read RDB block 0 [ 112.544585][ T5141] block nbd44: Receive control failed (result -107) [ 112.545080][ T6020] nbd43: unable to read partition table