Warning: Permanently added '10.128.0.94' (ED25519) to the list of known hosts. 2025/08/31 04:29:24 parsed 1 programs [ 76.605292][ T5866] cgroup: Unknown subsys name 'net' [ 76.740692][ T5866] cgroup: Unknown subsys name 'cpuset' [ 76.749411][ T5866] cgroup: Unknown subsys name 'rlimit' [ 78.195628][ T5866] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 80.771250][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 80.784511][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 80.793077][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 80.801590][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 80.809261][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 80.913037][ T5874] 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. [ 82.904277][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.912978][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.963508][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.972276][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.491455][ T5938] chnl_net:caif_netlink_parms(): no params data found [ 83.620044][ T5938] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.628471][ T5938] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.635708][ T5938] bridge_slave_0: entered allmulticast mode [ 83.643813][ T5938] bridge_slave_0: entered promiscuous mode [ 83.666034][ T5938] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.674997][ T5938] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.683184][ T5938] bridge_slave_1: entered allmulticast mode [ 83.691111][ T5938] bridge_slave_1: entered promiscuous mode [ 83.740338][ T5938] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.751774][ T5938] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.785284][ T5938] team0: Port device team_slave_0 added [ 83.793889][ T5938] team0: Port device team_slave_1 added [ 83.830812][ T5938] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.838258][ T5938] 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. [ 83.864323][ T5938] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.877571][ T5938] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.884538][ T5938] 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. [ 83.910472][ T5938] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.955594][ T5938] hsr_slave_0: entered promiscuous mode [ 83.961953][ T5938] hsr_slave_1: entered promiscuous mode [ 84.090010][ T5938] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.103426][ T5938] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 84.113841][ T5938] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 84.123945][ T5938] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 84.194487][ T5938] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.214452][ T5938] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.227553][ T3174] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.234793][ T3174] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.252043][ T3174] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.259223][ T3174] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.416257][ T5938] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.461358][ T5938] veth0_vlan: entered promiscuous mode [ 84.472689][ T5938] veth1_vlan: entered promiscuous mode [ 84.501968][ T5938] veth0_macvtap: entered promiscuous mode [ 84.510549][ T5938] veth1_macvtap: entered promiscuous mode [ 84.531185][ T5938] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.544534][ T5938] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.561211][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.572654][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.582982][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.595232][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.703221][ T5115] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.803919][ T5115] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.880976][ T5115] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.944140][ T5115] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/08/31 04:29:35 executed programs: 0 [ 85.600567][ T5183] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.608444][ T5183] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.616317][ T5183] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 85.632862][ T5183] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.640977][ T5183] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 85.794430][ T5973] chnl_net:caif_netlink_parms(): no params data found [ 85.861330][ T5973] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.869401][ T5973] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.876568][ T5973] bridge_slave_0: entered allmulticast mode [ 85.884410][ T5973] bridge_slave_0: entered promiscuous mode [ 85.892394][ T5973] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.899973][ T5973] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.907420][ T5973] bridge_slave_1: entered allmulticast mode [ 85.914439][ T5973] bridge_slave_1: entered promiscuous mode [ 85.949165][ T5973] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.961816][ T5973] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.999009][ T5973] team0: Port device team_slave_0 added [ 86.006579][ T5973] team0: Port device team_slave_1 added [ 86.041325][ T5973] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.048470][ T5973] 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. [ 86.075135][ T5973] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.087631][ T5973] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.094593][ T5973] 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. [ 86.122074][ T5973] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.167034][ T5973] hsr_slave_0: entered promiscuous mode [ 86.173732][ T5973] hsr_slave_1: entered promiscuous mode [ 86.180179][ T5973] debugfs: 'hsr0' already exists in 'hsr' [ 86.186016][ T5973] Cannot create hsr debugfs directory [ 86.818782][ T1211] cfg80211: failed to load regulatory.db [ 87.667756][ T5115] bridge_slave_1: left allmulticast mode [ 87.673549][ T5115] bridge_slave_1: left promiscuous mode [ 87.681273][ T5115] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.692124][ T5115] bridge_slave_0: left allmulticast mode [ 87.699259][ T51] Bluetooth: hci0: command tx timeout [ 87.704685][ T5115] bridge_slave_0: left promiscuous mode [ 87.710607][ T5115] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.946632][ T5115] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 87.960311][ T5115] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 87.970033][ T5115] bond0 (unregistering): Released all slaves [ 88.081952][ T5115] hsr_slave_0: left promiscuous mode [ 88.090164][ T5115] hsr_slave_1: left promiscuous mode [ 88.096353][ T5115] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 88.106037][ T5115] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 88.116405][ T5115] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 88.125543][ T5115] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 88.151394][ T5115] veth1_macvtap: left promiscuous mode [ 88.157314][ T5115] veth0_macvtap: left promiscuous mode [ 88.163700][ T5115] veth1_vlan: left promiscuous mode [ 88.169511][ T5115] veth0_vlan: left promiscuous mode [ 88.621498][ T5115] team0 (unregistering): Port device team_slave_1 removed [ 88.650432][ T5115] team0 (unregistering): Port device team_slave_0 removed [ 89.270195][ T5973] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.295830][ T5973] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.306787][ T5973] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.318613][ T5973] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.535456][ T5973] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.603500][ T5973] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.626435][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.633637][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.654096][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.661287][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.779929][ T51] Bluetooth: hci0: command tx timeout [ 89.966050][ T5973] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.033270][ T5973] veth0_vlan: entered promiscuous mode [ 90.051353][ T5973] veth1_vlan: entered promiscuous mode [ 90.093451][ T5973] veth0_macvtap: entered promiscuous mode [ 90.103985][ T5973] veth1_macvtap: entered promiscuous mode [ 90.127455][ T5973] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.144065][ T5973] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.165623][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.175124][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.189843][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.201986][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.289052][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.296911][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.353793][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.362496][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.687837][ T6040] nbd0: detected capacity change from 0 to 127 [ 90.695444][ T51] block nbd0: Receive control failed (result -32) [ 90.697491][ T5878] block nbd0: Send control failed (result -32) [ 90.710872][ T5878] block nbd0: Request send failed, requeueing [ 90.731019][ T94] block nbd0: Send control failed (result -89) [ 90.738080][ T94] block nbd0: Request send failed, requeueing [ 90.744775][ T94] [ 90.747112][ T94] ====================================================== [ 90.754126][ T94] WARNING: possible circular locking dependency detected [ 90.761153][ T94] syzkaller #0 Not tainted [ 90.765586][ T94] ------------------------------------------------------ [ 90.772590][ T94] kworker/0:1H/94 is trying to acquire lock: [ 90.778589][ T94] ffff88807462eed8 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_shutdown+0x6a/0x390 [ 90.787743][ T94] [ 90.787743][ T94] but task is already holding lock: [ 90.795105][ T94] ffff8880323bfc70 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0xa66/0xf10 [ 90.804157][ T94] [ 90.804157][ T94] which lock already depends on the new lock. [ 90.804157][ T94] [ 90.814545][ T94] [ 90.814545][ T94] the existing dependency chain (in reverse order) is: [ 90.823542][ T94] [ 90.823542][ T94] -> #6 (&nsock->tx_lock){+.+.}-{4:4}: [ 90.831199][ T94] lock_acquire+0x120/0x360 [ 90.836216][ T94] __mutex_lock+0x187/0x1350 [ 90.841315][ T94] nbd_queue_rq+0x257/0xf10 [ 90.846327][ T94] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 90.852476][ T94] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 90.859316][ T94] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 90.865816][ T94] blk_mq_run_hw_queue+0x348/0x4f0 [ 90.871439][ T94] blk_mq_dispatch_list+0xd0c/0xe00 [ 90.877150][ T94] blk_mq_flush_plug_list+0x469/0x550 [ 90.883044][ T94] __blk_flush_plug+0x3d3/0x4b0 [ 90.888422][ T94] __submit_bio+0x2d3/0x5a0 [ 90.893430][ T94] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 90.899571][ T94] block_read_full_folio+0x599/0x830 [ 90.905363][ T94] filemap_read_folio+0x114/0x380 [ 90.910891][ T94] do_read_cache_folio+0x350/0x590 [ 90.916506][ T94] read_part_sector+0xb6/0x2b0 [ 90.921783][ T94] adfspart_check_ICS+0xa4/0xa50 [ 90.927227][ T94] bdev_disk_changed+0x75f/0x14b0 [ 90.932755][ T94] blkdev_get_whole+0x380/0x510 [ 90.938144][ T94] bdev_open+0x31e/0xd30 [ 90.942891][ T94] blkdev_open+0x3a8/0x510 [ 90.947812][ T94] do_dentry_open+0x950/0x13f0 [ 90.953100][ T94] vfs_open+0x3b/0x340 [ 90.957672][ T94] path_openat+0x2ee5/0x3830 [ 90.962768][ T94] do_filp_open+0x1fa/0x410 [ 90.967777][ T94] do_sys_openat2+0x121/0x1c0 [ 90.972958][ T94] __x64_sys_openat+0x138/0x170 [ 90.978314][ T94] do_syscall_64+0xfa/0x3b0 [ 90.983320][ T94] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.990067][ T94] [ 90.990067][ T94] -> #5 (&cmd->lock){+.+.}-{4:4}: [ 90.997266][ T94] lock_acquire+0x120/0x360 [ 91.002279][ T94] __mutex_lock+0x187/0x1350 [ 91.007378][ T94] nbd_queue_rq+0xc8/0xf10 [ 91.012327][ T94] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 91.018400][ T94] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 91.025254][ T94] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 91.031770][ T94] blk_mq_run_hw_queue+0x348/0x4f0 [ 91.037402][ T94] blk_mq_dispatch_list+0xd0c/0xe00 [ 91.043121][ T94] blk_mq_flush_plug_list+0x469/0x550 [ 91.049018][ T94] __blk_flush_plug+0x3d3/0x4b0 [ 91.054375][ T94] __submit_bio+0x2d3/0x5a0 [ 91.059377][ T94] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 91.065627][ T94] block_read_full_folio+0x599/0x830 [ 91.071417][ T94] filemap_read_folio+0x114/0x380 [ 91.076967][ T94] do_read_cache_folio+0x350/0x590 [ 91.082588][ T94] read_part_sector+0xb6/0x2b0 [ 91.087859][ T94] adfspart_check_ICS+0xa4/0xa50 [ 91.093306][ T94] bdev_disk_changed+0x75f/0x14b0 [ 91.098838][ T94] blkdev_get_whole+0x380/0x510 [ 91.104194][ T94] bdev_open+0x31e/0xd30 [ 91.108950][ T94] blkdev_open+0x3a8/0x510 [ 91.113870][ T94] do_dentry_open+0x950/0x13f0 [ 91.119135][ T94] vfs_open+0x3b/0x340 [ 91.123706][ T94] path_openat+0x2ee5/0x3830 [ 91.128799][ T94] do_filp_open+0x1fa/0x410 [ 91.133803][ T94] do_sys_openat2+0x121/0x1c0 [ 91.138989][ T94] __x64_sys_openat+0x138/0x170 [ 91.144341][ T94] do_syscall_64+0xfa/0x3b0 [ 91.149343][ T94] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.155740][ T94] [ 91.155740][ T94] -> #4 (set->srcu){.+.+}-{0:0}: [ 91.162850][ T94] lock_sync+0xba/0x160 [ 91.167522][ T94] __synchronize_srcu+0x96/0x3a0 [ 91.172972][ T94] elevator_switch+0x12b/0x640 [ 91.178243][ T94] elevator_change+0x2d4/0x450 [ 91.183517][ T94] elevator_set_default+0x186/0x260 [ 91.189224][ T94] blk_register_queue+0x34e/0x3f0 [ 91.194752][ T94] __add_disk+0x677/0xd50 [ 91.199583][ T94] add_disk_fwnode+0xfc/0x480 [ 91.204759][ T94] nbd_dev_add+0x717/0xae0 [ 91.209681][ T94] nbd_init+0x168/0x1f0 [ 91.214335][ T94] do_one_initcall+0x233/0x820 [ 91.219609][ T94] do_initcall_level+0x104/0x190 [ 91.225055][ T94] do_initcalls+0x59/0xa0 [ 91.229974][ T94] kernel_init_freeable+0x334/0x4b0 [ 91.235675][ T94] kernel_init+0x1d/0x1d0 [ 91.240533][ T94] ret_from_fork+0x3f9/0x770 [ 91.245626][ T94] ret_from_fork_asm+0x1a/0x30 [ 91.250894][ T94] [ 91.250894][ T94] -> #3 (&q->elevator_lock){+.+.}-{4:4}: [ 91.258716][ T94] lock_acquire+0x120/0x360 [ 91.263812][ T94] __mutex_lock+0x187/0x1350 [ 91.268909][ T94] elevator_change+0x19b/0x450 [ 91.274181][ T94] elevator_set_none+0x42/0xb0 [ 91.279452][ T94] blk_mq_update_nr_hw_queues+0x598/0x1aa0 [ 91.285761][ T94] nbd_start_device+0x17f/0xb10 [ 91.291120][ T94] nbd_genl_connect+0x135b/0x18f0 [ 91.296654][ T94] genl_family_rcv_msg_doit+0x212/0x300 [ 91.302704][ T94] genl_rcv_msg+0x60e/0x790 [ 91.307713][ T94] netlink_rcv_skb+0x208/0x470 [ 91.313070][ T94] genl_rcv+0x28/0x40 [ 91.317554][ T94] netlink_unicast+0x82f/0x9e0 [ 91.322912][ T94] netlink_sendmsg+0x805/0xb30 [ 91.328176][ T94] __sock_sendmsg+0x219/0x270 [ 91.333361][ T94] ____sys_sendmsg+0x505/0x830 [ 91.338628][ T94] ___sys_sendmsg+0x21f/0x2a0 [ 91.343818][ T94] __x64_sys_sendmsg+0x19b/0x260 [ 91.349257][ T94] do_syscall_64+0xfa/0x3b0 [ 91.354259][ T94] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.360653][ T94] [ 91.360653][ T94] -> #2 (&q->q_usage_counter(io)#49){++++}-{0:0}: [ 91.369240][ T94] lock_acquire+0x120/0x360 [ 91.374249][ T94] blk_alloc_queue+0x538/0x620 [ 91.379521][ T94] __blk_mq_alloc_disk+0x15c/0x340 [ 91.385131][ T94] nbd_dev_add+0x46c/0xae0 [ 91.390050][ T94] nbd_init+0x168/0x1f0 [ 91.394709][ T94] do_one_initcall+0x233/0x820 [ 91.399974][ T94] do_initcall_level+0x104/0x190 [ 91.405416][ T94] do_initcalls+0x59/0xa0 [ 91.410252][ T94] kernel_init_freeable+0x334/0x4b0 [ 91.415955][ T94] kernel_init+0x1d/0x1d0 [ 91.420786][ T94] ret_from_fork+0x3f9/0x770 [ 91.425881][ T94] ret_from_fork_asm+0x1a/0x30 [ 91.431152][ T94] [ 91.431152][ T94] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 91.438345][ T94] lock_acquire+0x120/0x360 [ 91.443353][ T94] fs_reclaim_acquire+0x72/0x100 [ 91.448794][ T94] kmem_cache_alloc_node_noprof+0x47/0x3c0 [ 91.455103][ T94] __alloc_skb+0x112/0x2d0 [ 91.460019][ T94] __ip6_append_data+0x2c16/0x3f30 [ 91.465634][ T94] ip6_append_data+0x1c4/0x380 [ 91.470898][ T94] rawv6_sendmsg+0x127a/0x1820 [ 91.476183][ T94] __sock_sendmsg+0x19c/0x270 [ 91.481382][ T94] ____sys_sendmsg+0x505/0x830 [ 91.486756][ T94] ___sys_sendmsg+0x21f/0x2a0 [ 91.491963][ T94] __x64_sys_sendmsg+0x19b/0x260 [ 91.497419][ T94] do_syscall_64+0xfa/0x3b0 [ 91.502429][ T94] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.508831][ T94] [ 91.508831][ T94] -> #0 (sk_lock-AF_INET6){+.+.}-{0:0}: [ 91.516549][ T94] validate_chain+0xb9b/0x2140 [ 91.521827][ T94] __lock_acquire+0xab9/0xd20 [ 91.527014][ T94] lock_acquire+0x120/0x360 [ 91.532023][ T94] lock_sock_nested+0x48/0x100 [ 91.537294][ T94] inet_shutdown+0x6a/0x390 [ 91.542303][ T94] nbd_mark_nsock_dead+0x2e9/0x560 [ 91.547919][ T94] nbd_send_cmd+0x11ec/0x1ba0 [ 91.553101][ T94] nbd_queue_rq+0xcdb/0xf10 [ 91.558129][ T94] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 91.564199][ T94] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 91.571049][ T94] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 91.577549][ T94] blk_mq_run_hw_queue+0x348/0x4f0 [ 91.583169][ T94] blk_mq_run_hw_queues+0x33e/0x430 [ 91.588870][ T94] blk_mq_requeue_work+0x717/0x760 [ 91.594487][ T94] process_scheduled_works+0xae1/0x17b0 [ 91.600539][ T94] worker_thread+0x8a0/0xda0 [ 91.605637][ T94] kthread+0x70e/0x8a0 [ 91.610213][ T94] ret_from_fork+0x3f9/0x770 [ 91.615307][ T94] ret_from_fork_asm+0x1a/0x30 [ 91.620593][ T94] [ 91.620593][ T94] other info that might help us debug this: [ 91.620593][ T94] [ 91.630802][ T94] Chain exists of: [ 91.630802][ T94] sk_lock-AF_INET6 --> &cmd->lock --> &nsock->tx_lock [ 91.630802][ T94] [ 91.643566][ T94] Possible unsafe locking scenario: [ 91.643566][ T94] [ 91.651003][ T94] CPU0 CPU1 [ 91.656353][ T94] ---- ---- [ 91.661783][ T94] lock(&nsock->tx_lock); [ 91.666183][ T94] lock(&cmd->lock); [ 91.672664][ T94] lock(&nsock->tx_lock); [ 91.679581][ T94] lock(sk_lock-AF_INET6); [ 91.684068][ T94] [ 91.684068][ T94] *** DEADLOCK *** [ 91.684068][ T94] [ 91.692195][ T94] 5 locks held by kworker/0:1H/94: [ 91.697285][ T94] #0: ffff888020ad8148 ((wq_completion)kblockd){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 [ 91.708318][ T94] #1: ffffc9000257fbc0 ((work_completion)(&(&q->requeue_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 [ 91.721254][ T94] #2: ffff888024afae90 (set->srcu){.+.+}-{0:0}, at: blk_mq_run_hw_queue+0x31f/0x4f0 [ 91.730723][ T94] #3: ffff88802c5be178 (&cmd->lock){+.+.}-{4:4}, at: nbd_queue_rq+0xc8/0xf10 [ 91.739583][ T94] #4: ffff8880323bfc70 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0xa66/0xf10 [ 91.748970][ T94] [ 91.748970][ T94] stack backtrace: [ 91.754898][ T94] CPU: 0 UID: 0 PID: 94 Comm: kworker/0:1H Not tainted syzkaller #0 PREEMPT(full) [ 91.754916][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 91.754927][ T94] Workqueue: kblockd blk_mq_requeue_work [ 91.754953][ T94] Call Trace: [ 91.754962][ T94] [ 91.754969][ T94] dump_stack_lvl+0x189/0x250 [ 91.754986][ T94] ? __pfx_dump_stack_lvl+0x10/0x10 [ 91.755000][ T94] ? __pfx__printk+0x10/0x10 [ 91.755016][ T94] ? print_lock_name+0xde/0x100 [ 91.755033][ T94] print_circular_bug+0x2ee/0x310 [ 91.755048][ T94] check_noncircular+0x134/0x160 [ 91.755063][ T94] validate_chain+0xb9b/0x2140 [ 91.755077][ T94] ? try_to_wake_up+0x7f5/0x12b0 [ 91.755093][ T94] ? look_up_lock_class+0x74/0x170 [ 91.755111][ T94] ? register_lock_class+0x51/0x320 [ 91.755127][ T94] ? __queue_work+0x102/0xfb0 [ 91.755140][ T94] __lock_acquire+0xab9/0xd20 [ 91.755158][ T94] ? inet_shutdown+0x6a/0x390 [ 91.755173][ T94] lock_acquire+0x120/0x360 [ 91.755188][ T94] ? inet_shutdown+0x6a/0x390 [ 91.755204][ T94] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 91.755221][ T94] ? __pfx_queue_work_on+0x10/0x10 [ 91.755234][ T94] lock_sock_nested+0x48/0x100 [ 91.755250][ T94] ? inet_shutdown+0x6a/0x390 [ 91.755265][ T94] inet_shutdown+0x6a/0x390 [ 91.755280][ T94] nbd_mark_nsock_dead+0x2e9/0x560 [ 91.755294][ T94] nbd_send_cmd+0x11ec/0x1ba0 [ 91.755310][ T94] ? lockdep_hardirqs_on+0x9c/0x150 [ 91.755326][ T94] ? __pfx_nbd_send_cmd+0x10/0x10 [ 91.755336][ T94] ? seqcount_lockdep_reader_access+0x175/0x1c0 [ 91.755352][ T94] ? __pfx___mutex_lock+0x10/0x10 [ 91.755370][ T94] ? wbt_issue+0xe0/0x180 [ 91.755385][ T94] ? blk_add_timer+0x1a5/0x2e0 [ 91.755398][ T94] ? blk_mq_start_request+0x4a8/0x8a0 [ 91.755415][ T94] nbd_queue_rq+0xcdb/0xf10 [ 91.755436][ T94] ? __pfx_nbd_queue_rq+0x10/0x10 [ 91.755457][ T94] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 91.755473][ T94] ? sbitmap_find_bit+0x47f/0x520 [ 91.755492][ T94] ? __pfx_blk_mq_dispatch_rq_list+0x10/0x10 [ 91.755508][ T94] ? __blk_mq_alloc_driver_tag+0x2e7/0x6e0 [ 91.755525][ T94] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 91.755549][ T94] ? __pfx___blk_mq_sched_dispatch_requests+0x10/0x10 [ 91.755569][ T94] ? blk_mq_run_hw_queue+0x31f/0x4f0 [ 91.755586][ T94] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 91.755603][ T94] ? blk_mq_run_hw_queue+0x31f/0x4f0 [ 91.755617][ T94] blk_mq_run_hw_queue+0x348/0x4f0 [ 91.755633][ T94] blk_mq_run_hw_queues+0x33e/0x430 [ 91.755647][ T94] ? __pfx_blk_mq_run_hw_queues+0x10/0x10 [ 91.755665][ T94] ? _raw_spin_unlock_irq+0x23/0x50 [ 91.755680][ T94] ? lockdep_hardirqs_on+0x9c/0x150 [ 91.755697][ T94] blk_mq_requeue_work+0x717/0x760 [ 91.755710][ T94] ? __pfx_blk_mq_requeue_work+0x10/0x10 [ 91.755723][ T94] ? _raw_spin_unlock_irq+0x23/0x50 [ 91.755737][ T94] ? process_scheduled_works+0x9ef/0x17b0 [ 91.755749][ T94] ? process_scheduled_works+0x9ef/0x17b0 [ 91.755761][ T94] process_scheduled_works+0xae1/0x17b0 [ 91.755780][ T94] ? __pfx_process_scheduled_works+0x10/0x10 [ 91.755796][ T94] worker_thread+0x8a0/0xda0 [ 91.755809][ T94] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 91.755826][ T94] ? __kthread_parkme+0x7b/0x200 [ 91.755841][ T94] kthread+0x70e/0x8a0 [ 91.755856][ T94] ? __pfx_worker_thread+0x10/0x10 [ 91.755868][ T94] ? __pfx_kthread+0x10/0x10 [ 91.755881][ T94] ? _raw_spin_unlock_irq+0x23/0x50 [ 91.755896][ T94] ? lockdep_hardirqs_on+0x9c/0x150 [ 91.755911][ T94] ? __pfx_kthread+0x10/0x10 [ 91.755925][ T94] ret_from_fork+0x3f9/0x770 [ 91.755939][ T94] ? __pfx_ret_from_fork+0x10/0x10 [ 91.755952][ T94] ? __switch_to_asm+0x39/0x70 [ 91.755967][ T94] ? __switch_to_asm+0x33/0x70 [ 91.755980][ T94] ? __pfx_kthread+0x10/0x10 [ 91.755994][ T94] ret_from_fork_asm+0x1a/0x30 [ 91.756014][ T94] [ 92.149210][ T51] Bluetooth: hci0: command tx timeout [ 92.167825][ T94] block nbd0: Dead connection, failed to find a fallback [ 92.174894][ T94] block nbd0: shutting down sockets [ 92.180398][ T94] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.189472][ T94] Buffer I/O error on dev nbd0, logical block 0, async page read [ 92.232449][ T5878] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.245130][ T5878] Buffer I/O error on dev nbd0, logical block 1, async page read [ 92.264531][ T5878] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.273645][ T5878] Buffer I/O error on dev nbd0, logical block 2, async page read [ 92.282001][ T5878] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.292306][ T5878] Buffer I/O error on dev nbd0, logical block 3, async page read [ 92.300505][ T5878] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.311034][ T5878] Buffer I/O error on dev nbd0, logical block 0, async page read [ 92.319288][ T5878] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.328651][ T5878] Buffer I/O error on dev nbd0, logical block 1, async page read [ 92.336508][ T5878] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.346179][ T5878] Buffer I/O error on dev nbd0, logical block 2, async page read [ 92.354158][ T5878] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.363702][ T5878] Buffer I/O error on dev nbd0, logical block 3, async page read [ 92.372360][ T5878] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.381763][ T5878] Buffer I/O error on dev nbd0, logical block 0, async page read [ 92.390275][ T5878] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 92.399669][ T5878] Buffer I/O error on dev nbd0, logical block 1, async page read [ 92.409183][ T5878] ldm_validate_partition_table(): Disk read failed. [ 92.418047][ T5878] Dev nbd0: unable to read RDB block 0 [ 92.424762][ T5878] nbd0: unable to read partition table [ 92.434519][ T5878] ldm_validate_partition_table(): Disk read failed. [ 92.445228][ T5878] Dev nbd0: unable to read RDB block 0 [ 92.452746][ T5878] nbd0: unable to read partition table