Warning: Permanently added '10.128.1.145' (ED25519) to the list of known hosts. 2025/08/31 13:16:52 parsed 1 programs [ 75.593155][ T5871] cgroup: Unknown subsys name 'net' [ 75.760580][ T5871] cgroup: Unknown subsys name 'cpuset' [ 75.769543][ T5871] cgroup: Unknown subsys name 'rlimit' [ 77.196355][ T5871] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 79.970985][ T5879] 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. [ 82.142683][ T5919] chnl_net:caif_netlink_parms(): no params data found [ 82.227998][ T5919] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.235846][ T5919] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.243583][ T5919] bridge_slave_0: entered allmulticast mode [ 82.251555][ T5919] bridge_slave_0: entered promiscuous mode [ 82.260961][ T5919] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.268273][ T5919] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.275493][ T5919] bridge_slave_1: entered allmulticast mode [ 82.282680][ T5919] bridge_slave_1: entered promiscuous mode [ 82.311874][ T5919] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.323271][ T5919] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.352713][ T5919] team0: Port device team_slave_0 added [ 82.360313][ T5919] team0: Port device team_slave_1 added [ 82.386411][ T5919] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.393496][ T5919] 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 1560 would solve the problem. [ 82.420186][ T5919] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.433123][ T5919] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.440534][ T5919] 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 1560 would solve the problem. [ 82.466484][ T5919] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.508253][ T5919] hsr_slave_0: entered promiscuous mode [ 82.514629][ T5919] hsr_slave_1: entered promiscuous mode [ 82.648436][ T5919] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.661833][ T5919] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.672395][ T5919] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.682894][ T5919] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.712854][ T5919] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.720051][ T5919] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.728069][ T5919] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.735314][ T5919] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.790554][ T5919] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.809981][ T2995] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.819079][ T2995] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.835735][ T5919] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.851134][ T3543] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.858305][ T3543] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.872986][ T3543] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.880162][ T3543] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.042450][ T5919] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.086232][ T5919] veth0_vlan: entered promiscuous mode [ 83.097058][ T5919] veth1_vlan: entered promiscuous mode [ 83.126579][ T5919] veth0_macvtap: entered promiscuous mode [ 83.135415][ T5919] veth1_macvtap: entered promiscuous mode [ 83.154527][ T5919] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.169362][ T5919] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.184546][ T3590] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.194706][ T3590] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.208648][ T3590] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.220280][ T3590] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.332800][ T49] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.412818][ T49] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.482514][ T49] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.570621][ T49] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.891529][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 83.899985][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 83.908203][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 83.917782][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 83.925488][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 84.164468][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.172557][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.205256][ T2995] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.213929][ T2995] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/08/31 13:17:03 executed programs: 0 [ 84.596157][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 84.604198][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 84.612166][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 84.622191][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 84.630099][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 84.795102][ T5977] chnl_net:caif_netlink_parms(): no params data found [ 84.866247][ T5977] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.873503][ T5977] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.881159][ T5977] bridge_slave_0: entered allmulticast mode [ 84.889770][ T5977] bridge_slave_0: entered promiscuous mode [ 84.897803][ T5977] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.904977][ T5977] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.912694][ T5977] bridge_slave_1: entered allmulticast mode [ 84.919847][ T5977] bridge_slave_1: entered promiscuous mode [ 84.953254][ T5977] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.966132][ T5977] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.002288][ T5977] team0: Port device team_slave_0 added [ 85.011151][ T5977] team0: Port device team_slave_1 added [ 85.041652][ T5977] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.048909][ T5977] 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 1560 would solve the problem. [ 85.075517][ T5977] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.089699][ T5977] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.096716][ T5977] 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 1560 would solve the problem. [ 85.123527][ T5977] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.181161][ T5977] hsr_slave_0: entered promiscuous mode [ 85.187703][ T5977] hsr_slave_1: entered promiscuous mode [ 85.193807][ T5977] debugfs: 'hsr0' already exists in 'hsr' [ 85.200225][ T5977] Cannot create hsr debugfs directory [ 86.562592][ T49] bridge_slave_1: left allmulticast mode [ 86.570497][ T49] bridge_slave_1: left promiscuous mode [ 86.577183][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.594285][ T49] bridge_slave_0: left allmulticast mode [ 86.601609][ T49] bridge_slave_0: left promiscuous mode [ 86.609296][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.658256][ T5186] Bluetooth: hci0: command tx timeout [ 86.827702][ T1211] cfg80211: failed to load regulatory.db [ 87.032957][ T49] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 87.044313][ T49] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 87.054741][ T49] bond0 (unregistering): Released all slaves [ 87.156630][ T49] hsr_slave_0: left promiscuous mode [ 87.168519][ T49] hsr_slave_1: left promiscuous mode [ 87.174637][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 87.182480][ T49] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 87.192383][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 87.200108][ T49] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 87.225653][ T49] veth1_macvtap: left promiscuous mode [ 87.231730][ T49] veth0_macvtap: left promiscuous mode [ 87.238538][ T49] veth1_vlan: left promiscuous mode [ 87.244011][ T49] veth0_vlan: left promiscuous mode [ 87.723345][ T49] team0 (unregistering): Port device team_slave_1 removed [ 87.751794][ T49] team0 (unregistering): Port device team_slave_0 removed [ 88.251477][ T5977] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 88.265422][ T5977] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 88.278463][ T5977] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 88.294355][ T5977] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 88.739861][ T5186] Bluetooth: hci0: command tx timeout [ 88.796405][ T5977] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.857795][ T5977] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.889503][ T3590] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.896676][ T3590] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.019739][ T3590] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.026894][ T3590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.385108][ T5977] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.423453][ T5977] veth0_vlan: entered promiscuous mode [ 89.434124][ T5977] veth1_vlan: entered promiscuous mode [ 89.469601][ T5977] veth0_macvtap: entered promiscuous mode [ 89.479140][ T5977] veth1_macvtap: entered promiscuous mode [ 89.496517][ T5977] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 89.512734][ T5977] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 89.525463][ T49] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.534467][ T49] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.545761][ T49] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.555611][ T49] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.614573][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.626867][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.652479][ T49] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.661193][ T49] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.927337][ T6051] nbd0: detected capacity change from 0 to 127 [ 89.934977][ T5186] block nbd0: Receive control failed (result -32) [ 89.936772][ T5968] block nbd0: Send control failed (result -89) [ 89.952031][ T5968] block nbd0: Request send failed, requeueing [ 89.967242][ T5968] [ 89.969610][ T5968] ====================================================== [ 89.976630][ T5968] WARNING: possible circular locking dependency detected [ 89.983656][ T5968] syzkaller #0 Not tainted [ 89.988067][ T5968] ------------------------------------------------------ [ 89.995067][ T5968] udevd/5968 is trying to acquire lock: [ 90.000588][ T5968] ffff888027484818 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_shutdown+0x6a/0x390 [ 90.009632][ T5968] [ 90.009632][ T5968] but task is already holding lock: [ 90.016999][ T5968] ffff888075fd1670 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0x257/0xf10 [ 90.025981][ T5968] [ 90.025981][ T5968] which lock already depends on the new lock. [ 90.025981][ T5968] [ 90.036368][ T5968] [ 90.036368][ T5968] the existing dependency chain (in reverse order) is: [ 90.045387][ T5968] [ 90.045387][ T5968] -> #6 (&nsock->tx_lock){+.+.}-{4:4}: [ 90.053024][ T5968] lock_acquire+0x120/0x360 [ 90.058058][ T5968] __mutex_lock+0x187/0x1350 [ 90.063156][ T5968] nbd_queue_rq+0x257/0xf10 [ 90.068177][ T5968] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 90.074250][ T5968] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 90.081092][ T5968] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 90.087581][ T5968] blk_mq_run_hw_queue+0x348/0x4f0 [ 90.093202][ T5968] blk_mq_dispatch_list+0xd0c/0xe00 [ 90.098918][ T5968] blk_mq_flush_plug_list+0x469/0x550 [ 90.104816][ T5968] __blk_flush_plug+0x3d3/0x4b0 [ 90.110184][ T5968] __submit_bio+0x2d3/0x5a0 [ 90.115199][ T5968] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 90.121354][ T5968] block_read_full_folio+0x599/0x830 [ 90.127145][ T5968] filemap_read_folio+0x114/0x380 [ 90.132677][ T5968] do_read_cache_folio+0x350/0x590 [ 90.138291][ T5968] read_part_sector+0xb6/0x2b0 [ 90.143566][ T5968] adfspart_check_ICS+0xa4/0xa50 [ 90.149012][ T5968] bdev_disk_changed+0x75f/0x14b0 [ 90.154543][ T5968] blkdev_get_whole+0x380/0x510 [ 90.159903][ T5968] bdev_open+0x31e/0xd30 [ 90.164655][ T5968] blkdev_open+0x3a8/0x510 [ 90.169575][ T5968] do_dentry_open+0x950/0x13f0 [ 90.174844][ T5968] vfs_open+0x3b/0x340 [ 90.179415][ T5968] path_openat+0x2ee5/0x3830 [ 90.184509][ T5968] do_filp_open+0x1fa/0x410 [ 90.189518][ T5968] do_sys_openat2+0x121/0x1c0 [ 90.194701][ T5968] __x64_sys_openat+0x138/0x170 [ 90.200054][ T5968] do_syscall_64+0xfa/0x3b0 [ 90.205059][ T5968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.211457][ T5968] [ 90.211457][ T5968] -> #5 (&cmd->lock){+.+.}-{4:4}: [ 90.218659][ T5968] lock_acquire+0x120/0x360 [ 90.223672][ T5968] __mutex_lock+0x187/0x1350 [ 90.228782][ T5968] nbd_queue_rq+0xc8/0xf10 [ 90.233724][ T5968] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 90.239797][ T5968] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 90.246651][ T5968] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 90.253156][ T5968] blk_mq_run_hw_queue+0x348/0x4f0 [ 90.258794][ T5968] blk_mq_dispatch_list+0xd0c/0xe00 [ 90.264514][ T5968] blk_mq_flush_plug_list+0x469/0x550 [ 90.270401][ T5968] __blk_flush_plug+0x3d3/0x4b0 [ 90.275772][ T5968] __submit_bio+0x2d3/0x5a0 [ 90.280806][ T5968] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 90.286969][ T5968] block_read_full_folio+0x599/0x830 [ 90.292778][ T5968] filemap_read_folio+0x114/0x380 [ 90.298317][ T5968] do_read_cache_folio+0x350/0x590 [ 90.303937][ T5968] read_part_sector+0xb6/0x2b0 [ 90.309209][ T5968] adfspart_check_ICS+0xa4/0xa50 [ 90.314657][ T5968] bdev_disk_changed+0x75f/0x14b0 [ 90.320186][ T5968] blkdev_get_whole+0x380/0x510 [ 90.325547][ T5968] bdev_open+0x31e/0xd30 [ 90.330302][ T5968] blkdev_open+0x3a8/0x510 [ 90.335229][ T5968] do_dentry_open+0x950/0x13f0 [ 90.340495][ T5968] vfs_open+0x3b/0x340 [ 90.345067][ T5968] path_openat+0x2ee5/0x3830 [ 90.350165][ T5968] do_filp_open+0x1fa/0x410 [ 90.355174][ T5968] do_sys_openat2+0x121/0x1c0 [ 90.360377][ T5968] __x64_sys_openat+0x138/0x170 [ 90.365732][ T5968] do_syscall_64+0xfa/0x3b0 [ 90.370737][ T5968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.377143][ T5968] [ 90.377143][ T5968] -> #4 (set->srcu){.+.+}-{0:0}: [ 90.384265][ T5968] lock_sync+0xba/0x160 [ 90.388938][ T5968] __synchronize_srcu+0x96/0x3a0 [ 90.394387][ T5968] elevator_switch+0x12b/0x640 [ 90.399657][ T5968] elevator_change+0x2d4/0x450 [ 90.404931][ T5968] elevator_set_default+0x186/0x260 [ 90.410662][ T5968] blk_register_queue+0x34e/0x3f0 [ 90.416205][ T5968] __add_disk+0x677/0xd50 [ 90.421039][ T5968] add_disk_fwnode+0xfc/0x480 [ 90.426218][ T5968] nbd_dev_add+0x717/0xae0 [ 90.431142][ T5968] nbd_init+0x168/0x1f0 [ 90.435800][ T5968] do_one_initcall+0x233/0x820 [ 90.441071][ T5968] do_initcall_level+0x104/0x190 [ 90.446552][ T5968] do_initcalls+0x59/0xa0 [ 90.451390][ T5968] kernel_init_freeable+0x334/0x4b0 [ 90.457106][ T5968] kernel_init+0x1d/0x1d0 [ 90.461955][ T5968] ret_from_fork+0x3f9/0x770 [ 90.467067][ T5968] ret_from_fork_asm+0x1a/0x30 [ 90.472369][ T5968] [ 90.472369][ T5968] -> #3 (&q->elevator_lock){+.+.}-{4:4}: [ 90.480187][ T5968] lock_acquire+0x120/0x360 [ 90.485209][ T5968] __mutex_lock+0x187/0x1350 [ 90.490315][ T5968] elevator_change+0x19b/0x450 [ 90.495592][ T5968] elevator_set_none+0x42/0xb0 [ 90.500862][ T5968] blk_mq_update_nr_hw_queues+0x598/0x1aa0 [ 90.507274][ T5968] nbd_start_device+0x17f/0xb10 [ 90.512637][ T5968] nbd_genl_connect+0x135b/0x18f0 [ 90.518170][ T5968] genl_family_rcv_msg_doit+0x212/0x300 [ 90.524398][ T5968] genl_rcv_msg+0x60e/0x790 [ 90.529413][ T5968] netlink_rcv_skb+0x208/0x470 [ 90.534689][ T5968] genl_rcv+0x28/0x40 [ 90.539174][ T5968] netlink_unicast+0x82f/0x9e0 [ 90.544470][ T5968] netlink_sendmsg+0x805/0xb30 [ 90.549733][ T5968] __sock_sendmsg+0x219/0x270 [ 90.554914][ T5968] ____sys_sendmsg+0x505/0x830 [ 90.560206][ T5968] ___sys_sendmsg+0x21f/0x2a0 [ 90.565391][ T5968] __x64_sys_sendmsg+0x19b/0x260 [ 90.570858][ T5968] do_syscall_64+0xfa/0x3b0 [ 90.575862][ T5968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.582702][ T5968] [ 90.582702][ T5968] -> #2 (&q->q_usage_counter(io)#49){++++}-{0:0}: [ 90.591307][ T5968] lock_acquire+0x120/0x360 [ 90.596337][ T5968] blk_alloc_queue+0x538/0x620 [ 90.601784][ T5968] __blk_mq_alloc_disk+0x15c/0x340 [ 90.607531][ T5968] nbd_dev_add+0x46c/0xae0 [ 90.612472][ T5968] nbd_init+0x168/0x1f0 [ 90.617139][ T5968] do_one_initcall+0x233/0x820 [ 90.622413][ T5968] do_initcall_level+0x104/0x190 [ 90.627879][ T5968] do_initcalls+0x59/0xa0 [ 90.632718][ T5968] kernel_init_freeable+0x334/0x4b0 [ 90.638420][ T5968] kernel_init+0x1d/0x1d0 [ 90.643255][ T5968] ret_from_fork+0x3f9/0x770 [ 90.648351][ T5968] ret_from_fork_asm+0x1a/0x30 [ 90.653627][ T5968] [ 90.653627][ T5968] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 90.660839][ T5968] lock_acquire+0x120/0x360 [ 90.665852][ T5968] fs_reclaim_acquire+0x72/0x100 [ 90.671309][ T5968] kmem_cache_alloc_node_noprof+0x47/0x3c0 [ 90.677626][ T5968] __alloc_skb+0x112/0x2d0 [ 90.682642][ T5968] __ip6_append_data+0x2c16/0x3f30 [ 90.688258][ T5968] ip6_append_data+0x1c4/0x380 [ 90.693525][ T5968] rawv6_sendmsg+0x127a/0x1820 [ 90.698795][ T5968] __sock_sendmsg+0x19c/0x270 [ 90.703980][ T5968] ____sys_sendmsg+0x505/0x830 [ 90.709245][ T5968] ___sys_sendmsg+0x21f/0x2a0 [ 90.714422][ T5968] __x64_sys_sendmsg+0x19b/0x260 [ 90.719866][ T5968] do_syscall_64+0xfa/0x3b0 [ 90.724869][ T5968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.731274][ T5968] [ 90.731274][ T5968] -> #0 (sk_lock-AF_INET6){+.+.}-{0:0}: [ 90.738997][ T5968] validate_chain+0xb9b/0x2140 [ 90.744282][ T5968] __lock_acquire+0xab9/0xd20 [ 90.749477][ T5968] lock_acquire+0x120/0x360 [ 90.754493][ T5968] lock_sock_nested+0x48/0x100 [ 90.759766][ T5968] inet_shutdown+0x6a/0x390 [ 90.764776][ T5968] nbd_mark_nsock_dead+0x2e9/0x560 [ 90.770390][ T5968] nbd_send_cmd+0x11ec/0x1ba0 [ 90.775592][ T5968] nbd_queue_rq+0xcdb/0xf10 [ 90.780874][ T5968] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 90.786935][ T5968] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 90.793787][ T5968] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 90.800279][ T5968] blk_mq_run_hw_queue+0x348/0x4f0 [ 90.805923][ T5968] blk_mq_dispatch_list+0xd0c/0xe00 [ 90.811630][ T5968] blk_mq_flush_plug_list+0x469/0x550 [ 90.817515][ T5968] __blk_flush_plug+0x3d3/0x4b0 [ 90.822873][ T5968] __submit_bio+0x2d3/0x5a0 [ 90.827879][ T5968] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 90.834019][ T5968] block_read_full_folio+0x599/0x830 [ 90.839811][ T5968] filemap_read_folio+0x114/0x380 [ 90.845340][ T5968] do_read_cache_folio+0x350/0x590 [ 90.850974][ T5968] read_part_sector+0xb6/0x2b0 [ 90.856252][ T5968] adfspart_check_ICS+0xa4/0xa50 [ 90.861697][ T5968] bdev_disk_changed+0x75f/0x14b0 [ 90.867232][ T5968] blkdev_get_whole+0x380/0x510 [ 90.872593][ T5968] bdev_open+0x31e/0xd30 [ 90.877351][ T5968] blkdev_open+0x3a8/0x510 [ 90.882293][ T5968] do_dentry_open+0x950/0x13f0 [ 90.887573][ T5968] vfs_open+0x3b/0x340 [ 90.892207][ T5968] path_openat+0x2ee5/0x3830 [ 90.897313][ T5968] do_filp_open+0x1fa/0x410 [ 90.902325][ T5968] do_sys_openat2+0x121/0x1c0 [ 90.907517][ T5968] __x64_sys_openat+0x138/0x170 [ 90.912963][ T5968] do_syscall_64+0xfa/0x3b0 [ 90.917968][ T5968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.924392][ T5968] [ 90.924392][ T5968] other info that might help us debug this: [ 90.924392][ T5968] [ 90.934603][ T5968] Chain exists of: [ 90.934603][ T5968] sk_lock-AF_INET6 --> &cmd->lock --> &nsock->tx_lock [ 90.934603][ T5968] [ 90.947278][ T5968] Possible unsafe locking scenario: [ 90.947278][ T5968] [ 90.954708][ T5968] CPU0 CPU1 [ 90.960063][ T5968] ---- ---- [ 90.965411][ T5968] lock(&nsock->tx_lock); [ 90.969813][ T5968] lock(&cmd->lock); [ 90.976296][ T5968] lock(&nsock->tx_lock); [ 90.983214][ T5968] lock(sk_lock-AF_INET6); [ 90.987702][ T5968] [ 90.987702][ T5968] *** DEADLOCK *** [ 90.987702][ T5968] [ 90.995836][ T5968] 4 locks held by udevd/5968: [ 91.000499][ T5968] #0: ffff88814336d358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 91.009891][ T5968] #1: ffff888143325290 (set->srcu){.+.+}-{0:0}, at: blk_mq_run_hw_queue+0x31f/0x4f0 [ 91.019368][ T5968] #2: ffff888057f80178 (&cmd->lock){+.+.}-{4:4}, at: nbd_queue_rq+0xc8/0xf10 [ 91.028231][ T5968] #3: ffff888075fd1670 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0x257/0xf10 [ 91.037618][ T5968] [ 91.037618][ T5968] stack backtrace: [ 91.043519][ T5968] CPU: 0 UID: 0 PID: 5968 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 91.043539][ T5968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 91.043552][ T5968] Call Trace: [ 91.043560][ T5968] [ 91.043566][ T5968] dump_stack_lvl+0x189/0x250 [ 91.043583][ T5968] ? __pfx_dump_stack_lvl+0x10/0x10 [ 91.043597][ T5968] ? __pfx__printk+0x10/0x10 [ 91.043613][ T5968] ? print_lock_name+0xde/0x100 [ 91.043630][ T5968] print_circular_bug+0x2ee/0x310 [ 91.043645][ T5968] check_noncircular+0x134/0x160 [ 91.043660][ T5968] validate_chain+0xb9b/0x2140 [ 91.043673][ T5968] ? preempt_schedule_irq+0xde/0x150 [ 91.043690][ T5968] ? __pfx_preempt_schedule_irq+0x10/0x10 [ 91.043706][ T5968] ? look_up_lock_class+0x74/0x170 [ 91.043724][ T5968] ? register_lock_class+0x51/0x320 [ 91.043740][ T5968] ? lockdep_hardirqs_on+0x9c/0x150 [ 91.043757][ T5968] __lock_acquire+0xab9/0xd20 [ 91.043775][ T5968] ? inet_shutdown+0x6a/0x390 [ 91.043789][ T5968] lock_acquire+0x120/0x360 [ 91.043805][ T5968] ? inet_shutdown+0x6a/0x390 [ 91.043821][ T5968] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 91.043837][ T5968] ? __pfx_queue_work_on+0x10/0x10 [ 91.043850][ T5968] lock_sock_nested+0x48/0x100 [ 91.043866][ T5968] ? inet_shutdown+0x6a/0x390 [ 91.043881][ T5968] inet_shutdown+0x6a/0x390 [ 91.043896][ T5968] nbd_mark_nsock_dead+0x2e9/0x560 [ 91.043910][ T5968] nbd_send_cmd+0x11ec/0x1ba0 [ 91.043923][ T5968] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 91.043940][ T5968] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 91.043956][ T5968] ? __pfx_nbd_send_cmd+0x10/0x10 [ 91.043968][ T5968] ? __mod_timer+0xb37/0xf30 [ 91.043983][ T5968] ? wbt_issue+0xe0/0x180 [ 91.044000][ T5968] ? blk_mq_start_request+0x4a8/0x8a0 [ 91.044016][ T5968] nbd_queue_rq+0xcdb/0xf10 [ 91.044037][ T5968] ? __pfx_nbd_queue_rq+0x10/0x10 [ 91.044057][ T5968] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 91.044074][ T5968] ? sbitmap_find_bit+0x47f/0x520 [ 91.044092][ T5968] ? __pfx_blk_mq_dispatch_rq_list+0x10/0x10 [ 91.044108][ T5968] ? __blk_mq_alloc_driver_tag+0x2e7/0x6e0 [ 91.044126][ T5968] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 91.044149][ T5968] ? __pfx___blk_mq_sched_dispatch_requests+0x10/0x10 [ 91.044169][ T5968] ? blk_mq_run_hw_queue+0x31f/0x4f0 [ 91.044186][ T5968] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 91.044203][ T5968] ? blk_mq_run_hw_queue+0x31f/0x4f0 [ 91.044217][ T5968] blk_mq_run_hw_queue+0x348/0x4f0 [ 91.044233][ T5968] blk_mq_dispatch_list+0xd0c/0xe00 [ 91.044250][ T5968] ? bdev_count_inflight+0x1cf/0x210 [ 91.044262][ T5968] ? blk_mq_dispatch_list+0x250/0xe00 [ 91.044280][ T5968] ? __pfx_blk_mq_dispatch_list+0x10/0x10 [ 91.044298][ T5968] ? rcu_is_watching+0x15/0xb0 [ 91.044310][ T5968] blk_mq_flush_plug_list+0x469/0x550 [ 91.044327][ T5968] ? blk_add_rq_to_plug+0x300/0x450 [ 91.044343][ T5968] ? blk_mq_submit_bio+0x1912/0x2440 [ 91.044359][ T5968] ? __pfx_blk_mq_flush_plug_list+0x10/0x10 [ 91.044379][ T5968] __blk_flush_plug+0x3d3/0x4b0 [ 91.044398][ T5968] ? __pfx___blk_flush_plug+0x10/0x10 [ 91.044417][ T5968] __submit_bio+0x2d3/0x5a0 [ 91.044428][ T5968] ? ktime_get+0x3e/0x1f0 [ 91.044440][ T5968] ? seqcount_lockdep_reader_access+0x175/0x1c0 [ 91.044454][ T5968] ? __pfx___submit_bio+0x10/0x10 [ 91.044464][ T5968] ? blk_cgroup_bio_start+0x59d/0x640 [ 91.044483][ T5968] ? bio_associate_blkg+0x6d/0x230 [ 91.044506][ T5968] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 91.044522][ T5968] ? bio_associate_blkg+0x6d/0x230 [ 91.044540][ T5968] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 91.044557][ T5968] ? submit_bio_noacct+0xd6f/0x1a50 [ 91.044576][ T5968] block_read_full_folio+0x599/0x830 [ 91.044592][ T5968] ? __pfx_blkdev_get_block+0x10/0x10 [ 91.044605][ T5968] filemap_read_folio+0x114/0x380 [ 91.044619][ T5968] ? __pfx_blkdev_read_folio+0x10/0x10 [ 91.044630][ T5968] ? __pfx_filemap_read_folio+0x10/0x10 [ 91.044645][ T5968] do_read_cache_folio+0x350/0x590 [ 91.044659][ T5968] ? __pfx_blkdev_read_folio+0x10/0x10 [ 91.044672][ T5968] read_part_sector+0xb6/0x2b0 [ 91.044688][ T5968] adfspart_check_ICS+0xa4/0xa50 [ 91.044704][ T5968] ? snprintf+0xda/0x120 [ 91.044720][ T5968] ? __pfx_adfspart_check_ICS+0x10/0x10 [ 91.044739][ T5968] bdev_disk_changed+0x75f/0x14b0 [ 91.044760][ T5968] ? __pfx_bdev_disk_changed+0x10/0x10 [ 91.044774][ T5968] ? wait_on_inode+0xc0/0x230 [ 91.044788][ T5968] blkdev_get_whole+0x380/0x510 [ 91.044806][ T5968] bdev_open+0x31e/0xd30 [ 91.044825][ T5968] blkdev_open+0x3a8/0x510 [ 91.044837][ T5968] ? __pfx_blkdev_open+0x10/0x10 [ 91.044848][ T5968] do_dentry_open+0x950/0x13f0 [ 91.044865][ T5968] vfs_open+0x3b/0x340 [ 91.044876][ T5968] ? path_openat+0x2ecd/0x3830 [ 91.044891][ T5968] path_openat+0x2ee5/0x3830 [ 91.044904][ T5968] ? arch_stack_walk+0xfc/0x150 [ 91.044923][ T5968] ? stack_depot_save_flags+0x40/0x860 [ 91.044942][ T5968] ? __pfx_path_openat+0x10/0x10 [ 91.044955][ T5968] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.044973][ T5968] do_filp_open+0x1fa/0x410 [ 91.044986][ T5968] ? __lock_acquire+0xab9/0xd20 [ 91.045002][ T5968] ? __pfx_do_filp_open+0x10/0x10 [ 91.045021][ T5968] ? _raw_spin_unlock+0x28/0x50 [ 91.045035][ T5968] ? alloc_fd+0x64c/0x6c0 [ 91.045054][ T5968] do_sys_openat2+0x121/0x1c0 [ 91.045067][ T5968] ? __pfx___x64_sys_recvmsg+0x10/0x10 [ 91.045080][ T5968] ? __pfx_do_sys_openat2+0x10/0x10 [ 91.045094][ T5968] ? rcu_is_watching+0x15/0xb0 [ 91.045107][ T5968] __x64_sys_openat+0x138/0x170 [ 91.045121][ T5968] do_syscall_64+0xfa/0x3b0 [ 91.045132][ T5968] ? lockdep_hardirqs_on+0x9c/0x150 [ 91.045148][ T5968] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.045160][ T5968] ? clear_bhb_loop+0x60/0xb0 [ 91.045173][ T5968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.045185][ T5968] RIP: 0033:0x7fe24eaa7407 [ 91.045205][ T5968] 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 [ 91.045215][ T5968] RSP: 002b:00007fff7a309710 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 91.045229][ T5968] RAX: ffffffffffffffda RBX: 00007fe24f185880 RCX: 00007fe24eaa7407 [ 91.045239][ T5968] RDX: 00000000000a0800 RSI: 0000562d85c26cd0 RDI: ffffffffffffff9c [ 91.045248][ T5968] RBP: 0000562d85c06910 R08: 0000000000000000 R09: 0000000000000000 [ 91.045256][ T5968] R10: 0000000000000000 R11: 0000000000000202 R12: 0000562d85c1b830 [ 91.045264][ T5968] R13: 0000562d85c14190 R14: 0000000000000000 R15: 0000562d85c1b830 [ 91.045277][ T5968] [ 91.684245][ T94] block nbd0: Dead connection, failed to find a fallback [ 91.691693][ T94] block nbd0: shutting down sockets [ 91.697619][ T94] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.706761][ T94] Buffer I/O error on dev nbd0, logical block 0, async page read [ 91.716045][ T5968] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.727994][ T51] Bluetooth: hci0: command tx timeout [ 91.731563][ T5968] Buffer I/O error on dev nbd0, logical block 1, async page read [ 91.747960][ T5968] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.757419][ T5968] Buffer I/O error on dev nbd0, logical block 2, async page read [ 91.765311][ T5968] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.774522][ T5968] Buffer I/O error on dev nbd0, logical block 3, async page read [ 91.795337][ T5968] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.812955][ T5968] Buffer I/O error on dev nbd0, logical block 0, async page read [ 91.821434][ T5968] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.839477][ T5968] Buffer I/O error on dev nbd0, logical block 1, async page read [ 91.847806][ T5968] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.857502][ T5968] Buffer I/O error on dev nbd0, logical block 2, async page read [ 91.865563][ T5968] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.874915][ T5968] Buffer I/O error on dev nbd0, logical block 3, async page read [ 91.883294][ T5968] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.911868][ T5968] Buffer I/O error on dev nbd0, logical block 0, async page read [ 91.920107][ T5968] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 91.930828][ T5968] Buffer I/O error on dev nbd0, logical block 1, async page read [ 91.965696][ T5968] ldm_validate_partition_table(): Disk read failed. [ 91.974518][ T5968] Dev nbd0: unable to read RDB block 0 [ 91.981883][ T5968] nbd0: unable to read partition table [ 92.029098][ T5968] ldm_validate_partition_table(): Disk read failed. [ 92.064053][ T5968] Dev nbd0: unable to read RDB block 0 [ 92.072165][ T5968] nbd0: unable to read partition table