Warning: Permanently added '10.128.1.105' (ED25519) to the list of known hosts. 2025/08/30 17:24:20 parsed 1 programs [ 76.529372][ T5868] cgroup: Unknown subsys name 'net' [ 76.659980][ T5868] cgroup: Unknown subsys name 'cpuset' [ 76.668930][ T5868] cgroup: Unknown subsys name 'rlimit' [ 78.076133][ T5868] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 80.874462][ T5881] 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. [ 81.419722][ T5899] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.428387][ T5899] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.436499][ T5899] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.444580][ T5899] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.453814][ T5899] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 82.810096][ T62] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.821440][ T62] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.852480][ T2957] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.860956][ T2957] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.402080][ T5938] chnl_net:caif_netlink_parms(): no params data found [ 83.523877][ T5938] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.535720][ T5938] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.542984][ T5938] bridge_slave_0: entered allmulticast mode [ 83.551456][ T5938] bridge_slave_0: entered promiscuous mode [ 83.563413][ T5938] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.570723][ T5938] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.578014][ T5938] bridge_slave_1: entered allmulticast mode [ 83.586295][ T5938] bridge_slave_1: entered promiscuous mode [ 83.625500][ T5938] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.637192][ T5938] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.670342][ T5938] team0: Port device team_slave_0 added [ 83.678986][ T5938] team0: Port device team_slave_1 added [ 83.709752][ T5938] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.717093][ 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. [ 83.743849][ T5938] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.758321][ T5938] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.765363][ 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. [ 83.791258][ T5938] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.833952][ T5938] hsr_slave_0: entered promiscuous mode [ 83.840774][ T5938] hsr_slave_1: entered promiscuous mode [ 83.967183][ T5938] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.979157][ T5938] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.989032][ T5938] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.998838][ T5938] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 84.063519][ T5938] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.088893][ T5938] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.102427][ T2957] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.109655][ T2957] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.127512][ T3469] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.134645][ T3469] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.294263][ T5938] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.334531][ T5938] veth0_vlan: entered promiscuous mode [ 84.345517][ T5938] veth1_vlan: entered promiscuous mode [ 84.371884][ T5938] veth0_macvtap: entered promiscuous mode [ 84.381917][ T5938] veth1_macvtap: entered promiscuous mode [ 84.401611][ T5938] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.416462][ T5938] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.430599][ T3469] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.440358][ T3469] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.450460][ T3469] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.459359][ T3469] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.572948][ T3507] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.650781][ T3507] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.762291][ T3507] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.853601][ T3507] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/08/30 17:24:31 executed programs: 0 [ 85.773148][ T5899] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.781355][ T5899] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.790055][ T5899] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 85.799458][ T5899] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.808807][ T5899] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 85.956209][ T5979] chnl_net:caif_netlink_parms(): no params data found [ 86.034622][ T5979] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.041841][ T5979] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.049184][ T5979] bridge_slave_0: entered allmulticast mode [ 86.056656][ T5979] bridge_slave_0: entered promiscuous mode [ 86.064683][ T5979] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.072229][ T5979] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.079558][ T5979] bridge_slave_1: entered allmulticast mode [ 86.086624][ T5979] bridge_slave_1: entered promiscuous mode [ 86.115671][ T5979] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.127819][ T5979] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.164458][ T5979] team0: Port device team_slave_0 added [ 86.172364][ T5979] team0: Port device team_slave_1 added [ 86.200325][ T5979] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.207417][ T5979] 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. [ 86.233775][ T5979] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.248647][ T5979] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.255683][ T5979] 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. [ 86.281649][ T5979] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.324627][ T5979] hsr_slave_0: entered promiscuous mode [ 86.330901][ T5979] hsr_slave_1: entered promiscuous mode [ 86.337209][ T5979] debugfs: 'hsr0' already exists in 'hsr' [ 86.342989][ T5979] Cannot create hsr debugfs directory [ 86.697724][ T43] cfg80211: failed to load regulatory.db [ 87.627390][ T3507] bridge_slave_1: left allmulticast mode [ 87.633418][ T3507] bridge_slave_1: left promiscuous mode [ 87.640525][ T3507] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.652778][ T3507] bridge_slave_0: left allmulticast mode [ 87.658575][ T3507] bridge_slave_0: left promiscuous mode [ 87.664312][ T3507] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.891967][ T3507] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 87.901446][ T5899] Bluetooth: hci0: command tx timeout [ 87.909737][ T3507] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 87.919661][ T3507] bond0 (unregistering): Released all slaves [ 88.023010][ T3507] hsr_slave_0: left promiscuous mode [ 88.029566][ T3507] hsr_slave_1: left promiscuous mode [ 88.037208][ T3507] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 88.044631][ T3507] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 88.058956][ T3507] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 88.067158][ T3507] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 88.089108][ T3507] veth1_macvtap: left promiscuous mode [ 88.097299][ T3507] veth0_macvtap: left promiscuous mode [ 88.102986][ T3507] veth1_vlan: left promiscuous mode [ 88.108967][ T3507] veth0_vlan: left promiscuous mode [ 88.549825][ T3507] team0 (unregistering): Port device team_slave_1 removed [ 88.574627][ T3507] team0 (unregistering): Port device team_slave_0 removed [ 89.068918][ T5979] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.087059][ T5979] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.099056][ T5979] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.112446][ T5979] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.449930][ T5979] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.572163][ T5979] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.591306][ T61] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.598570][ T61] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.616998][ T62] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.624154][ T62] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.958388][ T5979] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.974917][ T5899] Bluetooth: hci0: command tx timeout [ 90.006017][ T5979] veth0_vlan: entered promiscuous mode [ 90.017231][ T5979] veth1_vlan: entered promiscuous mode [ 90.043184][ T5979] veth0_macvtap: entered promiscuous mode [ 90.052441][ T5979] veth1_macvtap: entered promiscuous mode [ 90.070108][ T5979] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.082886][ T5979] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.100066][ T3507] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.113872][ T3507] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.123494][ T3507] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.134305][ T3507] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.182192][ T2957] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.191062][ T2957] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.216204][ T2957] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.224064][ T2957] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.474987][ T6040] nbd0: detected capacity change from 0 to 127 [ 90.481883][ T5899] block nbd0: Receive control failed (result -32) [ 90.491423][ T5882] block nbd0: Send control failed (result -89) [ 90.500522][ T5882] block nbd0: Request send failed, requeueing [ 90.516663][ T5882] [ 90.519013][ T5882] ====================================================== [ 90.526027][ T5882] WARNING: possible circular locking dependency detected [ 90.533054][ T5882] syzkaller #0 Not tainted [ 90.537474][ T5882] ------------------------------------------------------ [ 90.544483][ T5882] udevd/5882 is trying to acquire lock: [ 90.550012][ T5882] ffff88807c84e718 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_shutdown+0x6a/0x390 [ 90.559071][ T5882] [ 90.559071][ T5882] but task is already holding lock: [ 90.566427][ T5882] ffff8880612dc470 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0xa66/0xf10 [ 90.575383][ T5882] [ 90.575383][ T5882] which lock already depends on the new lock. [ 90.575383][ T5882] [ 90.585772][ T5882] [ 90.585772][ T5882] the existing dependency chain (in reverse order) is: [ 90.594772][ T5882] [ 90.594772][ T5882] -> #6 (&nsock->tx_lock){+.+.}-{4:4}: [ 90.602419][ T5882] lock_acquire+0x120/0x360 [ 90.607437][ T5882] __mutex_lock+0x187/0x1350 [ 90.612537][ T5882] nbd_queue_rq+0x257/0xf10 [ 90.617552][ T5882] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 90.623603][ T5882] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 90.630433][ T5882] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 90.636915][ T5882] blk_mq_run_hw_queue+0x348/0x4f0 [ 90.642531][ T5882] blk_mq_dispatch_list+0xd0c/0xe00 [ 90.648234][ T5882] blk_mq_flush_plug_list+0x469/0x550 [ 90.654131][ T5882] __blk_flush_plug+0x3d3/0x4b0 [ 90.659491][ T5882] __submit_bio+0x2d3/0x5a0 [ 90.664490][ T5882] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 90.670625][ T5882] block_read_full_folio+0x599/0x830 [ 90.676413][ T5882] filemap_read_folio+0x114/0x380 [ 90.681952][ T5882] do_read_cache_folio+0x350/0x590 [ 90.687587][ T5882] read_part_sector+0xb6/0x2b0 [ 90.692880][ T5882] adfspart_check_ICS+0xa4/0xa50 [ 90.698344][ T5882] bdev_disk_changed+0x75f/0x14b0 [ 90.703895][ T5882] blkdev_get_whole+0x380/0x510 [ 90.709273][ T5882] bdev_open+0x31e/0xd30 [ 90.714031][ T5882] blkdev_open+0x3a8/0x510 [ 90.718953][ T5882] do_dentry_open+0x950/0x13f0 [ 90.724225][ T5882] vfs_open+0x3b/0x340 [ 90.728801][ T5882] path_openat+0x2ee5/0x3830 [ 90.733897][ T5882] do_filp_open+0x1fa/0x410 [ 90.738905][ T5882] do_sys_openat2+0x121/0x1c0 [ 90.744104][ T5882] __x64_sys_openat+0x138/0x170 [ 90.749451][ T5882] do_syscall_64+0xfa/0x3b0 [ 90.754454][ T5882] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.760851][ T5882] [ 90.760851][ T5882] -> #5 (&cmd->lock){+.+.}-{4:4}: [ 90.768043][ T5882] lock_acquire+0x120/0x360 [ 90.773079][ T5882] __mutex_lock+0x187/0x1350 [ 90.778174][ T5882] nbd_queue_rq+0xc8/0xf10 [ 90.783095][ T5882] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 90.789145][ T5882] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 90.795980][ T5882] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 90.802461][ T5882] blk_mq_run_hw_queue+0x348/0x4f0 [ 90.808076][ T5882] blk_mq_dispatch_list+0xd0c/0xe00 [ 90.813780][ T5882] blk_mq_flush_plug_list+0x469/0x550 [ 90.819659][ T5882] __blk_flush_plug+0x3d3/0x4b0 [ 90.825018][ T5882] __submit_bio+0x2d3/0x5a0 [ 90.830031][ T5882] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 90.836183][ T5882] block_read_full_folio+0x599/0x830 [ 90.841984][ T5882] filemap_read_folio+0x114/0x380 [ 90.847516][ T5882] do_read_cache_folio+0x350/0x590 [ 90.853133][ T5882] read_part_sector+0xb6/0x2b0 [ 90.858406][ T5882] adfspart_check_ICS+0xa4/0xa50 [ 90.863851][ T5882] bdev_disk_changed+0x75f/0x14b0 [ 90.869385][ T5882] blkdev_get_whole+0x380/0x510 [ 90.874743][ T5882] bdev_open+0x31e/0xd30 [ 90.879488][ T5882] blkdev_open+0x3a8/0x510 [ 90.884401][ T5882] do_dentry_open+0x950/0x13f0 [ 90.889672][ T5882] vfs_open+0x3b/0x340 [ 90.894240][ T5882] path_openat+0x2ee5/0x3830 [ 90.899339][ T5882] do_filp_open+0x1fa/0x410 [ 90.904349][ T5882] do_sys_openat2+0x121/0x1c0 [ 90.909526][ T5882] __x64_sys_openat+0x138/0x170 [ 90.914883][ T5882] do_syscall_64+0xfa/0x3b0 [ 90.919893][ T5882] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.926291][ T5882] [ 90.926291][ T5882] -> #4 (set->srcu){.+.+}-{0:0}: [ 90.933406][ T5882] lock_sync+0xba/0x160 [ 90.938081][ T5882] __synchronize_srcu+0x96/0x3a0 [ 90.943648][ T5882] elevator_switch+0x12b/0x640 [ 90.948931][ T5882] elevator_change+0x2d4/0x450 [ 90.954206][ T5882] elevator_set_default+0x186/0x260 [ 90.959910][ T5882] blk_register_queue+0x34e/0x3f0 [ 90.965434][ T5882] __add_disk+0x677/0xd50 [ 90.970264][ T5882] add_disk_fwnode+0xfc/0x480 [ 90.975442][ T5882] nbd_dev_add+0x717/0xae0 [ 90.980362][ T5882] nbd_init+0x168/0x1f0 [ 90.985018][ T5882] do_one_initcall+0x233/0x820 [ 90.990286][ T5882] do_initcall_level+0x104/0x190 [ 90.995747][ T5882] do_initcalls+0x59/0xa0 [ 91.000577][ T5882] kernel_init_freeable+0x334/0x4b0 [ 91.006275][ T5882] kernel_init+0x1d/0x1d0 [ 91.011106][ T5882] ret_from_fork+0x3f9/0x770 [ 91.016283][ T5882] ret_from_fork_asm+0x1a/0x30 [ 91.021564][ T5882] [ 91.021564][ T5882] -> #3 (&q->elevator_lock){+.+.}-{4:4}: [ 91.029404][ T5882] lock_acquire+0x120/0x360 [ 91.034426][ T5882] __mutex_lock+0x187/0x1350 [ 91.039524][ T5882] elevator_change+0x19b/0x450 [ 91.044807][ T5882] elevator_set_none+0x42/0xb0 [ 91.050082][ T5882] blk_mq_update_nr_hw_queues+0x598/0x1aa0 [ 91.056392][ T5882] nbd_start_device+0x17f/0xb10 [ 91.061751][ T5882] nbd_genl_connect+0x135b/0x18f0 [ 91.067277][ T5882] genl_family_rcv_msg_doit+0x212/0x300 [ 91.073325][ T5882] genl_rcv_msg+0x60e/0x790 [ 91.078328][ T5882] netlink_rcv_skb+0x208/0x470 [ 91.083596][ T5882] genl_rcv+0x28/0x40 [ 91.088086][ T5882] netlink_unicast+0x82f/0x9e0 [ 91.093366][ T5882] netlink_sendmsg+0x805/0xb30 [ 91.098631][ T5882] __sock_sendmsg+0x219/0x270 [ 91.103821][ T5882] ____sys_sendmsg+0x505/0x830 [ 91.109090][ T5882] ___sys_sendmsg+0x21f/0x2a0 [ 91.114272][ T5882] __x64_sys_sendmsg+0x19b/0x260 [ 91.119717][ T5882] do_syscall_64+0xfa/0x3b0 [ 91.124727][ T5882] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.131132][ T5882] [ 91.131132][ T5882] -> #2 (&q->q_usage_counter(io)#49){++++}-{0:0}: [ 91.139723][ T5882] lock_acquire+0x120/0x360 [ 91.144735][ T5882] blk_alloc_queue+0x538/0x620 [ 91.150004][ T5882] __blk_mq_alloc_disk+0x15c/0x340 [ 91.155611][ T5882] nbd_dev_add+0x46c/0xae0 [ 91.160538][ T5882] nbd_init+0x168/0x1f0 [ 91.165194][ T5882] do_one_initcall+0x233/0x820 [ 91.170488][ T5882] do_initcall_level+0x104/0x190 [ 91.175945][ T5882] do_initcalls+0x59/0xa0 [ 91.180786][ T5882] kernel_init_freeable+0x334/0x4b0 [ 91.186491][ T5882] kernel_init+0x1d/0x1d0 [ 91.191329][ T5882] ret_from_fork+0x3f9/0x770 [ 91.196422][ T5882] ret_from_fork_asm+0x1a/0x30 [ 91.201689][ T5882] [ 91.201689][ T5882] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 91.208885][ T5882] lock_acquire+0x120/0x360 [ 91.213896][ T5882] fs_reclaim_acquire+0x72/0x100 [ 91.219513][ T5882] kmem_cache_alloc_node_noprof+0x47/0x3c0 [ 91.225826][ T5882] __alloc_skb+0x112/0x2d0 [ 91.230745][ T5882] __ip6_append_data+0x2c16/0x3f30 [ 91.236362][ T5882] ip6_append_data+0x1c4/0x380 [ 91.241632][ T5882] rawv6_sendmsg+0x127a/0x1820 [ 91.246911][ T5882] __sock_sendmsg+0x19c/0x270 [ 91.252093][ T5882] ____sys_sendmsg+0x505/0x830 [ 91.257356][ T5882] ___sys_sendmsg+0x21f/0x2a0 [ 91.262532][ T5882] __x64_sys_sendmsg+0x19b/0x260 [ 91.267968][ T5882] do_syscall_64+0xfa/0x3b0 [ 91.272973][ T5882] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.279366][ T5882] [ 91.279366][ T5882] -> #0 (sk_lock-AF_INET6){+.+.}-{0:0}: [ 91.287078][ T5882] validate_chain+0xb9b/0x2140 [ 91.292346][ T5882] __lock_acquire+0xab9/0xd20 [ 91.297530][ T5882] lock_acquire+0x120/0x360 [ 91.302538][ T5882] lock_sock_nested+0x48/0x100 [ 91.307806][ T5882] inet_shutdown+0x6a/0x390 [ 91.312811][ T5882] nbd_mark_nsock_dead+0x2e9/0x560 [ 91.318423][ T5882] nbd_send_cmd+0x11ec/0x1ba0 [ 91.323600][ T5882] nbd_queue_rq+0xcdb/0xf10 [ 91.328608][ T5882] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 91.334661][ T5882] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 91.341502][ T5882] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 91.347986][ T5882] blk_mq_run_hw_queue+0x348/0x4f0 [ 91.353600][ T5882] blk_mq_dispatch_list+0xd0c/0xe00 [ 91.359304][ T5882] blk_mq_flush_plug_list+0x469/0x550 [ 91.365181][ T5882] __blk_flush_plug+0x3d3/0x4b0 [ 91.370537][ T5882] __submit_bio+0x2d3/0x5a0 [ 91.375541][ T5882] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 91.381678][ T5882] block_read_full_folio+0x599/0x830 [ 91.387466][ T5882] filemap_read_folio+0x114/0x380 [ 91.392992][ T5882] do_read_cache_folio+0x350/0x590 [ 91.398602][ T5882] read_part_sector+0xb6/0x2b0 [ 91.403893][ T5882] adfspart_check_ICS+0xa4/0xa50 [ 91.409336][ T5882] bdev_disk_changed+0x75f/0x14b0 [ 91.414867][ T5882] blkdev_get_whole+0x380/0x510 [ 91.420225][ T5882] bdev_open+0x31e/0xd30 [ 91.424977][ T5882] blkdev_open+0x3a8/0x510 [ 91.429892][ T5882] do_dentry_open+0x950/0x13f0 [ 91.435153][ T5882] vfs_open+0x3b/0x340 [ 91.439722][ T5882] path_openat+0x2ee5/0x3830 [ 91.444812][ T5882] do_filp_open+0x1fa/0x410 [ 91.449815][ T5882] do_sys_openat2+0x121/0x1c0 [ 91.455000][ T5882] __x64_sys_openat+0x138/0x170 [ 91.460352][ T5882] do_syscall_64+0xfa/0x3b0 [ 91.465355][ T5882] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.471747][ T5882] [ 91.471747][ T5882] other info that might help us debug this: [ 91.471747][ T5882] [ 91.481950][ T5882] Chain exists of: [ 91.481950][ T5882] sk_lock-AF_INET6 --> &cmd->lock --> &nsock->tx_lock [ 91.481950][ T5882] [ 91.494619][ T5882] Possible unsafe locking scenario: [ 91.494619][ T5882] [ 91.502051][ T5882] CPU0 CPU1 [ 91.507394][ T5882] ---- ---- [ 91.512738][ T5882] lock(&nsock->tx_lock); [ 91.517138][ T5882] lock(&cmd->lock); [ 91.523621][ T5882] lock(&nsock->tx_lock); [ 91.530539][ T5882] lock(sk_lock-AF_INET6); [ 91.535032][ T5882] [ 91.535032][ T5882] *** DEADLOCK *** [ 91.535032][ T5882] [ 91.543164][ T5882] 4 locks held by udevd/5882: [ 91.547834][ T5882] #0: ffff8880250cc358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 91.557050][ T5882] #1: ffff888142b8df90 (set->srcu){.+.+}-{0:0}, at: blk_mq_run_hw_queue+0x31f/0x4f0 [ 91.566514][ T5882] #2: ffff88805ddd7178 (&cmd->lock){+.+.}-{4:4}, at: nbd_queue_rq+0xc8/0xf10 [ 91.575391][ T5882] #3: ffff8880612dc470 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0xa66/0xf10 [ 91.584772][ T5882] [ 91.584772][ T5882] stack backtrace: [ 91.590652][ T5882] CPU: 0 UID: 0 PID: 5882 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 91.590666][ T5882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 91.590680][ T5882] Call Trace: [ 91.590688][ T5882] [ 91.590695][ T5882] dump_stack_lvl+0x189/0x250 [ 91.590712][ T5882] ? __pfx_dump_stack_lvl+0x10/0x10 [ 91.590726][ T5882] ? __pfx__printk+0x10/0x10 [ 91.590742][ T5882] ? print_lock_name+0xde/0x100 [ 91.590758][ T5882] print_circular_bug+0x2ee/0x310 [ 91.590773][ T5882] check_noncircular+0x134/0x160 [ 91.590788][ T5882] validate_chain+0xb9b/0x2140 [ 91.590801][ T5882] ? preempt_schedule_notrace_thunk+0x16/0x30 [ 91.590815][ T5882] ? look_up_lock_class+0x74/0x170 [ 91.590833][ T5882] ? register_lock_class+0x51/0x320 [ 91.590856][ T5882] __lock_acquire+0xab9/0xd20 [ 91.590874][ T5882] ? inet_shutdown+0x6a/0x390 [ 91.590889][ T5882] lock_acquire+0x120/0x360 [ 91.590904][ T5882] ? inet_shutdown+0x6a/0x390 [ 91.590920][ T5882] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 91.590936][ T5882] ? __pfx_queue_work_on+0x10/0x10 [ 91.590950][ T5882] lock_sock_nested+0x48/0x100 [ 91.590966][ T5882] ? inet_shutdown+0x6a/0x390 [ 91.590981][ T5882] inet_shutdown+0x6a/0x390 [ 91.590997][ T5882] nbd_mark_nsock_dead+0x2e9/0x560 [ 91.591010][ T5882] nbd_send_cmd+0x11ec/0x1ba0 [ 91.591023][ T5882] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 91.591040][ T5882] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 91.591055][ T5882] ? __pfx_nbd_send_cmd+0x10/0x10 [ 91.591068][ T5882] ? __mod_timer+0xb37/0xf30 [ 91.591083][ T5882] ? wbt_issue+0xe0/0x180 [ 91.591100][ T5882] ? blk_mq_start_request+0x4a8/0x8a0 [ 91.591116][ T5882] nbd_queue_rq+0xcdb/0xf10 [ 91.591137][ T5882] ? __pfx_nbd_queue_rq+0x10/0x10 [ 91.591158][ T5882] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 91.591174][ T5882] ? sbitmap_find_bit+0x47f/0x520 [ 91.591192][ T5882] ? __pfx_blk_mq_dispatch_rq_list+0x10/0x10 [ 91.591208][ T5882] ? __blk_mq_alloc_driver_tag+0x2e7/0x6e0 [ 91.591226][ T5882] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 91.591249][ T5882] ? __pfx___blk_mq_sched_dispatch_requests+0x10/0x10 [ 91.591269][ T5882] ? blk_mq_run_hw_queue+0x31f/0x4f0 [ 91.591287][ T5882] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 91.591304][ T5882] ? blk_mq_run_hw_queue+0x31f/0x4f0 [ 91.591318][ T5882] blk_mq_run_hw_queue+0x348/0x4f0 [ 91.591334][ T5882] blk_mq_dispatch_list+0xd0c/0xe00 [ 91.591351][ T5882] ? bdev_count_inflight+0x1cf/0x210 [ 91.591363][ T5882] ? blk_mq_dispatch_list+0x250/0xe00 [ 91.591380][ T5882] ? __pfx_blk_mq_dispatch_list+0x10/0x10 [ 91.591398][ T5882] ? rcu_is_watching+0x15/0xb0 [ 91.591411][ T5882] blk_mq_flush_plug_list+0x469/0x550 [ 91.591427][ T5882] ? blk_add_rq_to_plug+0x300/0x450 [ 91.591443][ T5882] ? blk_mq_submit_bio+0x1912/0x2440 [ 91.591459][ T5882] ? __pfx_blk_mq_flush_plug_list+0x10/0x10 [ 91.591479][ T5882] __blk_flush_plug+0x3d3/0x4b0 [ 91.591498][ T5882] ? __pfx___blk_flush_plug+0x10/0x10 [ 91.591517][ T5882] __submit_bio+0x2d3/0x5a0 [ 91.591527][ T5882] ? ktime_get+0x3e/0x1f0 [ 91.591539][ T5882] ? seqcount_lockdep_reader_access+0x175/0x1c0 [ 91.591553][ T5882] ? __pfx___submit_bio+0x10/0x10 [ 91.591563][ T5882] ? blk_cgroup_bio_start+0x59d/0x640 [ 91.591582][ T5882] ? bio_associate_blkg+0x6d/0x230 [ 91.591601][ T5882] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 91.591617][ T5882] ? bio_associate_blkg+0x6d/0x230 [ 91.591634][ T5882] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 91.591652][ T5882] ? submit_bio_noacct+0xd6f/0x1a50 [ 91.591671][ T5882] block_read_full_folio+0x599/0x830 [ 91.591686][ T5882] ? __pfx_blkdev_get_block+0x10/0x10 [ 91.591699][ T5882] filemap_read_folio+0x114/0x380 [ 91.591713][ T5882] ? __pfx_blkdev_read_folio+0x10/0x10 [ 91.591724][ T5882] ? __pfx_filemap_read_folio+0x10/0x10 [ 91.591739][ T5882] do_read_cache_folio+0x350/0x590 [ 91.591753][ T5882] ? __pfx_blkdev_read_folio+0x10/0x10 [ 91.591765][ T5882] read_part_sector+0xb6/0x2b0 [ 91.591781][ T5882] adfspart_check_ICS+0xa4/0xa50 [ 91.591798][ T5882] ? snprintf+0xda/0x120 [ 91.591813][ T5882] ? __pfx_adfspart_check_ICS+0x10/0x10 [ 91.591833][ T5882] bdev_disk_changed+0x75f/0x14b0 [ 91.591858][ T5882] ? __pfx_bdev_disk_changed+0x10/0x10 [ 91.591873][ T5882] ? wait_on_inode+0xc0/0x230 [ 91.591887][ T5882] blkdev_get_whole+0x380/0x510 [ 91.591905][ T5882] bdev_open+0x31e/0xd30 [ 91.591924][ T5882] blkdev_open+0x3a8/0x510 [ 91.591936][ T5882] ? __pfx_blkdev_open+0x10/0x10 [ 91.591947][ T5882] do_dentry_open+0x950/0x13f0 [ 91.591963][ T5882] vfs_open+0x3b/0x340 [ 91.591974][ T5882] ? path_openat+0x2ecd/0x3830 [ 91.591989][ T5882] path_openat+0x2ee5/0x3830 [ 91.592002][ T5882] ? arch_stack_walk+0xfc/0x150 [ 91.592021][ T5882] ? stack_depot_save_flags+0x40/0x860 [ 91.592040][ T5882] ? __pfx_path_openat+0x10/0x10 [ 91.592053][ T5882] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.592071][ T5882] do_filp_open+0x1fa/0x410 [ 91.592084][ T5882] ? __lock_acquire+0xab9/0xd20 [ 91.592101][ T5882] ? __pfx_do_filp_open+0x10/0x10 [ 91.592120][ T5882] ? _raw_spin_unlock+0x28/0x50 [ 91.592134][ T5882] ? alloc_fd+0x64c/0x6c0 [ 91.592153][ T5882] do_sys_openat2+0x121/0x1c0 [ 91.592166][ T5882] ? __pfx___x64_sys_recvmsg+0x10/0x10 [ 91.592180][ T5882] ? __pfx_do_sys_openat2+0x10/0x10 [ 91.592194][ T5882] ? rcu_is_watching+0x15/0xb0 [ 91.592206][ T5882] __x64_sys_openat+0x138/0x170 [ 91.592220][ T5882] do_syscall_64+0xfa/0x3b0 [ 91.592231][ T5882] ? lockdep_hardirqs_on+0x9c/0x150 [ 91.592247][ T5882] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.592259][ T5882] ? clear_bhb_loop+0x60/0xb0 [ 91.592272][ T5882] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.592285][ T5882] RIP: 0033:0x7fbdcfca7407 [ 91.592301][ T5882] 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 [ 91.592311][ T5882] RSP: 002b:00007ffdd7dc2f30 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 91.592324][ T5882] RAX: ffffffffffffffda RBX: 00007fbdd042f880 RCX: 00007fbdcfca7407 [ 91.592333][ T5882] RDX: 00000000000a0800 RSI: 0000557789e7d360 RDI: ffffffffffffff9c [ 91.592342][