Warning: Permanently added '10.128.0.160' (ED25519) to the list of known hosts. 2026/03/19 22:45:13 parsed 1 programs [ 85.107949][ T5829] cgroup: Unknown subsys name 'net' [ 85.265596][ T5829] cgroup: Unknown subsys name 'cpuset' [ 85.275679][ T5829] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 86.901759][ T5829] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 90.019276][ T5843] 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. [ 91.517707][ T1357] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.525935][ T1357] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.566232][ T1357] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.574833][ T1357] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.017815][ T24] cfg80211: failed to load regulatory.db [ 92.063218][ T5885] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.071312][ T5885] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.081122][ T5885] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.105264][ T5885] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.114787][ T5885] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 93.110665][ T5904] chnl_net:caif_netlink_parms(): no params data found [ 93.209172][ T5904] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.217071][ T5904] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.226010][ T5904] bridge_slave_0: entered allmulticast mode [ 93.234113][ T5904] bridge_slave_0: entered promiscuous mode [ 93.244331][ T5904] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.251653][ T5904] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.258904][ T5904] bridge_slave_1: entered allmulticast mode [ 93.267734][ T5904] bridge_slave_1: entered promiscuous mode [ 93.325406][ T5904] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.338210][ T5904] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.373405][ T5904] team0: Port device team_slave_0 added [ 93.386080][ T5904] team0: Port device team_slave_1 added [ 93.411711][ T5904] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.418864][ T5904] 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. [ 93.444881][ T5904] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.457812][ T5904] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.465358][ T5904] 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. [ 93.491335][ T5904] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.542742][ T5904] hsr_slave_0: entered promiscuous mode [ 93.549376][ T5904] hsr_slave_1: entered promiscuous mode [ 93.713651][ T5904] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.726999][ T5904] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.737120][ T5904] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.747986][ T5904] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.826948][ T5904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.852779][ T5904] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.865802][ T1357] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.873425][ T1357] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.891393][ T1357] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.898571][ T1357] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.086559][ T5904] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.130401][ T5904] veth0_vlan: entered promiscuous mode [ 94.143102][ T5904] veth1_vlan: entered promiscuous mode [ 94.179373][ T5904] veth0_macvtap: entered promiscuous mode [ 94.189224][ T5904] veth1_macvtap: entered promiscuous mode [ 94.209635][ T5904] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.225026][ T5904] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.242840][ T219] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.252694][ T219] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.274100][ T219] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.283351][ T219] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.428674][ T219] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.511646][ T219] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.592705][ T219] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.688417][ T219] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/03/19 22:45:27 executed programs: 0 [ 95.502853][ T5885] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 95.510929][ T5885] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 95.522123][ T5885] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 95.530146][ T5885] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 95.544835][ T5885] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 95.777733][ T5939] chnl_net:caif_netlink_parms(): no params data found [ 95.887422][ T5939] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.894965][ T5939] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.903339][ T5939] bridge_slave_0: entered allmulticast mode [ 95.911880][ T5939] bridge_slave_0: entered promiscuous mode [ 95.921880][ T5939] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.940744][ T5939] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.948684][ T5939] bridge_slave_1: entered allmulticast mode [ 95.956917][ T5939] bridge_slave_1: entered promiscuous mode [ 95.993766][ T5939] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.007589][ T5939] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.047462][ T5939] team0: Port device team_slave_0 added [ 96.055500][ T5939] team0: Port device team_slave_1 added [ 96.083269][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.090255][ T5939] 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. [ 96.116996][ T5939] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.130240][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.137391][ T5939] 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. [ 96.164024][ T5939] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.210970][ T5939] hsr_slave_0: entered promiscuous mode [ 96.217523][ T5939] hsr_slave_1: entered promiscuous mode [ 96.223986][ T5939] debugfs: 'hsr0' already exists in 'hsr' [ 96.229797][ T5939] Cannot create hsr debugfs directory [ 97.126188][ T219] bridge_slave_1: left allmulticast mode [ 97.133238][ T219] bridge_slave_1: left promiscuous mode [ 97.139794][ T219] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.155978][ T219] bridge_slave_0: left allmulticast mode [ 97.166125][ T219] bridge_slave_0: left promiscuous mode [ 97.172350][ T219] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.388065][ T219] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 97.400406][ T219] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 97.414109][ T219] bond0 (unregistering): Released all slaves [ 97.550662][ T219] hsr_slave_0: left promiscuous mode [ 97.563934][ T219] hsr_slave_1: left promiscuous mode [ 97.575146][ T219] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 97.583225][ T219] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 97.593906][ T219] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 97.601572][ T219] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 97.612349][ T5885] Bluetooth: hci0: command tx timeout [ 97.621917][ T219] veth1_macvtap: left promiscuous mode [ 97.627609][ T219] veth0_macvtap: left promiscuous mode [ 97.633698][ T219] veth1_vlan: left promiscuous mode [ 97.639403][ T219] veth0_vlan: left promiscuous mode [ 97.858042][ T219] team0 (unregistering): Port device team_slave_1 removed [ 97.875414][ T219] team0 (unregistering): Port device team_slave_0 removed [ 98.188143][ T5939] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.207377][ T5939] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.229037][ T5939] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.250704][ T5939] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.370151][ T5939] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.550733][ T5939] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.597534][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.604780][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.687242][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.694467][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.899992][ T5939] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.942805][ T5939] veth0_vlan: entered promiscuous mode [ 98.954228][ T5939] veth1_vlan: entered promiscuous mode [ 98.983288][ T5939] veth0_macvtap: entered promiscuous mode [ 98.993009][ T5939] veth1_macvtap: entered promiscuous mode [ 99.015289][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.027522][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.040735][ T1357] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.050620][ T1357] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.061834][ T1357] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.074755][ T1357] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.133011][ T219] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.140893][ T219] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.168548][ T3521] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.176606][ T3521] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.441775][ T5987] nbd0: detected capacity change from 0 to 63 [ 99.452204][ T5885] block nbd0: Receive control failed (result -32) [ 99.452422][ T51] block nbd0: Receive control failed (result -32) [ 99.468688][ T5844] block nbd0: Send control failed (result -32) [ 99.475869][ T5844] block nbd0: Request send failed, requeueing [ 99.492378][ T5209] block nbd0: Dead connection, failed to find a fallback [ 99.499757][ T5209] block nbd0: shutting down sockets [ 99.506076][ T5209] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 99.513391][ T5844] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 99.518119][ T5209] Buffer I/O error on dev nbd0, logical block 0, async page read [ 99.552131][ T5844] Buffer I/O error on dev nbd0, logical block 1, async page read [ 99.560251][ T5844] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 99.569886][ T5844] Buffer I/O error on dev nbd0, logical block 2, async page read [ 99.578657][ T5844] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 99.588367][ T5844] Buffer I/O error on dev nbd0, logical block 3, async page read [ 99.596247][ T5844] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 99.605910][ T5844] Buffer I/O error on dev nbd0, logical block 0, async page read [ 99.615387][ T5844] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 99.625089][ T5844] Buffer I/O error on dev nbd0, logical block 1, async page read [ 99.633452][ T5844] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 99.643035][ T5844] Buffer I/O error on dev nbd0, logical block 2, async page read [ 99.650891][ T5844] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 99.660510][ T5844] Buffer I/O error on dev nbd0, logical block 3, async page read [ 99.668365][ T5844] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 99.677971][ T5844] Buffer I/O error on dev nbd0, logical block 0, async page read [ 99.685847][ T5844] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x800000 phys_seg 1 prio class 2 [ 99.695596][ T5885] Bluetooth: hci0: command tx timeout [ 99.701133][ T5844] Buffer I/O error on dev nbd0, logical block 1, async page read [ 99.709668][ T5844] ldm_validate_partition_table(): Disk read failed. [ 99.717302][ T5844] Dev nbd0: unable to read RDB block 0 [ 99.723384][ T5844] nbd0: unable to read partition table [ 99.733154][ T5844] ldm_validate_partition_table(): Disk read failed. [ 99.740135][ T5844] Dev nbd0: unable to read RDB block 0 [ 99.746260][ T5844] nbd0: unable to read partition table [ 99.891230][ T5988] nbd1: detected capacity change from 0 to 63 [ 99.900630][ T5988] block nbd0: reconnected socket [ 99.906936][ T51] block nbd1: Receive control failed (result -104) [ 99.914554][ T5885] block nbd1: Receive control failed (result -32) [ 99.922549][ T5145] block nbd0: Receive control failed (result -107) [ 99.931394][ T5145] [ 99.933778][ T5145] ====================================================== [ 99.940831][ T5145] WARNING: possible circular locking dependency detected [ 99.947921][ T5145] syzkaller #0 Not tainted [ 99.952385][ T5145] ------------------------------------------------------ [ 99.959712][ T5145] kworker/u9:1/5145 is trying to acquire lock: [ 99.965900][ T5145] ffff8880792a8260 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_shutdown+0x6a/0x390 [ 99.975006][ T5145] [ 99.975006][ T5145] but task is already holding lock: [ 99.982392][ T5145] ffff88802bd0ec70 (&nsock->tx_lock){+.+.}-{4:4}, at: recv_work+0x1c6a/0x1d90 [ 99.991406][ T5145] [ 99.991406][ T5145] which lock already depends on the new lock. [ 99.991406][ T5145] [ 100.001825][ T5145] [ 100.001825][ T5145] the existing dependency chain (in reverse order) is: [ 100.011033][ T5145] [ 100.011033][ T5145] -> #6 (&nsock->tx_lock){+.+.}-{4:4}: [ 100.018717][ T5145] __mutex_lock+0x19f/0x1300 [ 100.023852][ T5145] nbd_queue_rq+0x37b/0x1100 [ 100.029017][ T5145] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 100.035534][ T5145] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 100.042405][ T5145] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 100.049046][ T5145] blk_mq_run_hw_queue+0x348/0x4f0 [ 100.054797][ T5145] blk_mq_dispatch_list+0xd16/0xe10 [ 100.060537][ T5145] blk_mq_flush_plug_list+0x48d/0x570 [ 100.066469][ T5145] __blk_flush_plug+0x3ed/0x4d0 [ 100.071874][ T5145] __submit_bio+0x28d/0x580 [ 100.076917][ T5145] submit_bio_noacct_nocheck+0x2f4/0xa70 [ 100.083089][ T5145] block_read_full_folio+0x599/0x830 [ 100.089006][ T5145] filemap_read_folio+0x137/0x3b0 [ 100.094572][ T5145] do_read_cache_folio+0x358/0x590 [ 100.100224][ T5145] read_part_sector+0xb6/0x2b0 [ 100.105530][ T5145] adfspart_check_ICS+0xa5/0xa40 [ 100.111008][ T5145] bdev_disk_changed+0x7ba/0x1550 [ 100.116574][ T5145] blkdev_get_whole+0x380/0x510 [ 100.121966][ T5145] bdev_open+0x31e/0xd30 [ 100.126745][ T5145] blkdev_open+0x470/0x610 [ 100.131698][ T5145] do_dentry_open+0x785/0x14e0 [ 100.137045][ T5145] vfs_open+0x3b/0x340 [ 100.141682][ T5145] path_openat+0x2e08/0x3860 [ 100.146806][ T5145] do_file_open+0x23e/0x4a0 [ 100.151842][ T5145] do_sys_openat2+0x113/0x200 [ 100.157063][ T5145] __x64_sys_openat+0x138/0x170 [ 100.162458][ T5145] do_syscall_64+0x14d/0xf80 [ 100.167590][ T5145] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.174023][ T5145] [ 100.174023][ T5145] -> #5 (&cmd->lock){+.+.}-{4:4}: [ 100.181294][ T5145] __mutex_lock+0x19f/0x1300 [ 100.186423][ T5145] nbd_queue_rq+0xc6/0x1100 [ 100.191472][ T5145] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 100.197556][ T5145] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 100.204418][ T5145] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 100.210936][ T5145] blk_mq_run_hw_queue+0x348/0x4f0 [ 100.216591][ T5145] blk_mq_dispatch_list+0xd16/0xe10 [ 100.222347][ T5145] blk_mq_flush_plug_list+0x48d/0x570 [ 100.228266][ T5145] __blk_flush_plug+0x3ed/0x4d0 [ 100.233656][ T5145] __submit_bio+0x28d/0x580 [ 100.238698][ T5145] submit_bio_noacct_nocheck+0x2f4/0xa70 [ 100.244862][ T5145] block_read_full_folio+0x599/0x830 [ 100.250689][ T5145] filemap_read_folio+0x137/0x3b0 [ 100.256256][ T5145] do_read_cache_folio+0x358/0x590 [ 100.261910][ T5145] read_part_sector+0xb6/0x2b0 [ 100.267215][ T5145] adfspart_check_ICS+0xa5/0xa40 [ 100.272704][ T5145] bdev_disk_changed+0x7ba/0x1550 [ 100.278271][ T5145] blkdev_get_whole+0x380/0x510 [ 100.283660][ T5145] bdev_open+0x31e/0xd30 [ 100.288437][ T5145] blkdev_open+0x470/0x610 [ 100.293392][ T5145] do_dentry_open+0x785/0x14e0 [ 100.298697][ T5145] vfs_open+0x3b/0x340 [ 100.303303][ T5145] path_openat+0x2e08/0x3860 [ 100.308430][ T5145] do_file_open+0x23e/0x4a0 [ 100.313474][ T5145] do_sys_openat2+0x113/0x200 [ 100.318692][ T5145] __x64_sys_openat+0x138/0x170 [ 100.324109][ T5145] do_syscall_64+0x14d/0xf80 [ 100.329237][ T5145] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.335692][ T5145] [ 100.335692][ T5145] -> #4 (set->srcu){.+.+}-{0:0}: [ 100.342837][ T5145] __synchronize_srcu+0xca/0x3e0 [ 100.348314][ T5145] elevator_switch+0x1e8/0x7a0 [ 100.353608][ T5145] elevator_change+0x2cc/0x450 [ 100.358912][ T5145] elevator_set_default+0x36c/0x430 [ 100.364641][ T5145] blk_register_queue+0x366/0x430 [ 100.370201][ T5145] __add_disk+0x677/0xd50 [ 100.375087][ T5145] add_disk_fwnode+0xfb/0x480 [ 100.380305][ T5145] nbd_dev_add+0x72c/0xb50 [ 100.385279][ T5145] nbd_init+0x168/0x1f0 [ 100.389981][ T5145] do_one_initcall+0x250/0x8d0 [ 100.395288][ T5145] do_initcall_level+0x104/0x190 [ 100.400767][ T5145] do_initcalls+0x59/0xa0 [ 100.405640][ T5145] kernel_init_freeable+0x2a6/0x3e0 [ 100.411385][ T5145] kernel_init+0x1d/0x1d0 [ 100.416259][ T5145] ret_from_fork+0x51e/0xb90 [ 100.421390][ T5145] ret_from_fork_asm+0x1a/0x30 [ 100.426703][ T5145] [ 100.426703][ T5145] -> #3 (&q->elevator_lock){+.+.}-{4:4}: [ 100.434542][ T5145] __mutex_lock+0x19f/0x1300 [ 100.439668][ T5145] elevator_change+0x1b3/0x450 [ 100.444965][ T5145] elevator_set_none+0xb5/0x140 [ 100.450347][ T5145] blk_mq_update_nr_hw_queues+0x5e7/0x1a60 [ 100.456782][ T5145] nbd_start_device+0x17f/0xb10 [ 100.462176][ T5145] nbd_genl_connect+0x165b/0x1cf0 [ 100.468883][ T5145] genl_family_rcv_msg_doit+0x22a/0x330 [ 100.474974][ T5145] genl_rcv_msg+0x61c/0x7a0 [ 100.480016][ T5145] netlink_rcv_skb+0x232/0x4b0 [ 100.485321][ T5145] genl_rcv+0x28/0x40 [ 100.489840][ T5145] netlink_unicast+0x80f/0x9b0 [ 100.495144][ T5145] netlink_sendmsg+0x813/0xb40 [ 100.500446][ T5145] ____sys_sendmsg+0x972/0x9f0 [ 100.505746][ T5145] ___sys_sendmsg+0x2a5/0x360 [ 100.511046][ T5145] __x64_sys_sendmsg+0x1bd/0x2a0 [ 100.516527][ T5145] do_syscall_64+0x14d/0xf80 [ 100.521651][ T5145] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.528077][ T5145] [ 100.528077][ T5145] -> #2 (&q->q_usage_counter(io)#49){++++}-{0:0}: [ 100.536719][ T5145] blk_alloc_queue+0x546/0x680 [ 100.542067][ T5145] __blk_mq_alloc_disk+0x197/0x390 [ 100.547740][ T5145] nbd_dev_add+0x499/0xb50 [ 100.552766][ T5145] nbd_init+0x168/0x1f0 [ 100.557492][ T5145] do_one_initcall+0x250/0x8d0 [ 100.562823][ T5145] do_initcall_level+0x104/0x190 [ 100.568308][ T5145] do_initcalls+0x59/0xa0 [ 100.573208][ T5145] kernel_init_freeable+0x2a6/0x3e0 [ 100.578950][ T5145] kernel_init+0x1d/0x1d0 [ 100.583818][ T5145] ret_from_fork+0x51e/0xb90 [ 100.588950][ T5145] ret_from_fork_asm+0x1a/0x30 [ 100.594256][ T5145] [ 100.594256][ T5145] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 100.601504][ T5145] fs_reclaim_acquire+0x71/0x100 [ 100.607002][ T5145] kmem_cache_alloc_node_noprof+0x4a/0x690 [ 100.613369][ T5145] __alloc_skb+0x1d0/0x7d0 [ 100.618342][ T5145] __ip6_append_data+0x2a44/0x3c50 [ 100.624002][ T5145] ip6_append_data+0x10f/0x280 [ 100.629313][ T5145] rawv6_sendmsg+0x12d3/0x18e0 [ 100.634657][ T5145] ____sys_sendmsg+0x80a/0x9f0 [ 100.639962][ T5145] ___sys_sendmsg+0x2a5/0x360 [ 100.645179][ T5145] __x64_sys_sendmsg+0x1bd/0x2a0 [ 100.650668][ T5145] do_syscall_64+0x14d/0xf80 [ 100.655793][ T5145] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.662226][ T5145] [ 100.662226][ T5145] -> #0 (sk_lock-AF_INET6){+.+.}-{0:0}: [ 100.670000][ T5145] __lock_acquire+0x15a5/0x2cf0 [ 100.675408][ T5145] lock_acquire+0xf0/0x2e0 [ 100.680382][ T5145] lock_sock_nested+0x48/0x100 [ 100.685690][ T5145] inet_shutdown+0x6a/0x390 [ 100.690734][ T5145] nbd_mark_nsock_dead+0x2e9/0x560 [ 100.696394][ T5145] recv_work+0x1c7f/0x1d90 [ 100.701374][ T5145] process_scheduled_works+0xb02/0x1830 [ 100.707465][ T5145] worker_thread+0xa50/0xfc0 [ 100.712602][ T5145] kthread+0x388/0x470 [ 100.717206][ T5145] ret_from_fork+0x51e/0xb90 [ 100.722338][ T5145] ret_from_fork_asm+0x1a/0x30 [ 100.727644][ T5145] [ 100.727644][ T5145] other info that might help us debug this: [ 100.727644][ T5145] [ 100.737883][ T5145] Chain exists of: [ 100.737883][ T5145] sk_lock-AF_INET6 --> &cmd->lock --> &nsock->tx_lock [ 100.737883][ T5145] [ 100.750597][ T5145] Possible unsafe locking scenario: [ 100.750597][ T5145] [ 100.758058][ T5145] CPU0 CPU1 [ 100.763435][ T5145] ---- ---- [ 100.768809][ T5145] lock(&nsock->tx_lock); [ 100.773273][ T5145] lock(&cmd->lock); [ 100.779794][ T5145] lock(&nsock->tx_lock); [ 100.786750][ T5145] lock(sk_lock-AF_INET6); [ 100.791273][ T5145] [ 100.791273][ T5145] *** DEADLOCK *** [ 100.791273][ T5145] [ 100.799427][ T5145] 3 locks held by kworker/u9:1/5145: [ 100.804722][ T5145] #0: ffff888026d9a148 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_scheduled_works+0x9ea/0x1830 [ 100.815975][ T5145] #1: ffffc9000f04fc40 ((work_completion)(&args->work)#3){+.+.}-{0:0}, at: process_scheduled_works+0xa25/0x1830 [ 100.827940][ T5145] #2: ffff88802bd0ec70 (&nsock->tx_lock){+.+.}-{4:4}, at: recv_work+0x1c6a/0x1d90 [ 100.837301][ T5145] [ 100.837301][ T5145] stack backtrace: [ 100.843238][ T5145] CPU: 0 UID: 0 PID: 5145 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 100.843264][ T5145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 100.843276][ T5145] Workqueue: nbd0-recv recv_work [ 100.843303][ T5145] Call Trace: [ 100.843312][ T5145] [ 100.843320][ T5145] dump_stack_lvl+0xe8/0x150 [ 100.843344][ T5145] print_circular_bug+0x2e1/0x300 [ 100.843373][ T5145] check_noncircular+0x12e/0x150 [ 100.843401][ T5145] __lock_acquire+0x15a5/0x2cf0 [ 100.843429][ T5145] ? preempt_schedule_notrace+0x57/0x90 [ 100.843455][ T5145] ? preempt_schedule_notrace_thunk+0x16/0x30 [ 100.843473][ T5145] ? __pfx_inet_shutdown+0x10/0x10 [ 100.843499][ T5145] lock_acquire+0xf0/0x2e0 [ 100.843519][ T5145] ? inet_shutdown+0x6a/0x390 [ 100.843539][ T5145] lock_sock_nested+0x48/0x100 [ 100.843560][ T5145] ? inet_shutdown+0x6a/0x390 [ 100.843577][ T5145] inet_shutdown+0x6a/0x390 [ 100.843595][ T5145] nbd_mark_nsock_dead+0x2e9/0x560 [ 100.843613][ T5145] recv_work+0x1c7f/0x1d90 [ 100.843629][ T5145] ? __pfx_stack_trace_save+0x10/0x10 [ 100.843647][ T5145] ? check_path+0x21/0x40 [ 100.843673][ T5145] ? add_lock_to_list+0xc7/0x100 [ 100.843702][ T5145] ? __pfx_recv_work+0x10/0x10 [ 100.843727][ T5145] ? process_scheduled_works+0xa25/0x1830 [ 100.843749][ T5145] ? process_scheduled_works+0xa25/0x1830 [ 100.843771][ T5145] process_scheduled_works+0xb02/0x1830 [ 100.843803][ T5145] ? __pfx_process_scheduled_works+0x10/0x10 [ 100.843827][ T5145] ? assign_work+0x3d5/0x5e0 [ 100.843849][ T5145] worker_thread+0xa50/0xfc0 2026/03/19 22:45:33 executed programs: 4 [ 100.843881][ T5145] kthread+0x388/0x470 [ 100.843897][ T5145] ? __pfx_worker_thread+0x10/0x10 [ 100.843918][ T5145] ? __pfx_kthread+0x10/0x10 [ 100.843933][ T5145] ret_from_fork+0x51e/0xb90 [ 100.843956][ T5145] ? __pfx_ret_from_fork+0x10/0x10 [ 100.843977][ T5145] ? __switch_to+0xc7d/0x1450 [ 100.843998][ T5145] ? __pfx_kthread+0x10/0x10 [ 100.844013][ T5145] ret_from_fork_asm+0x1a/0x30 [ 100.844045][ T5145] [ 101.271255][ T5990] nbd2: detected capacity change from 0 to 63 [ 101.279011][ T5990] block nbd0: reconnected socket [ 101.279031][ T5989] block nbd0: Receive control failed (result -107) [ 101.290901][ T5885] block nbd2: Receive control failed (result -104) [ 101.298134][ T5145] block nbd2: Receive control failed (result -32) [ 101.531339][ T5991] nbd3: detected capacity change from 0 to 63 [ 101.539101][ T5991] block nbd0: reconnected socket [ 101.539130][ T5989] block nbd0: Receive control failed (result -107) [ 101.550737][ T5885] block nbd3: Receive control failed (result -104) [ 101.557769][ T5145] block nbd3: Receive control failed (result -32) [ 101.771189][ T5989] Bluetooth: hci0: command tx timeout [ 101.781512][ T5992] nbd4: detected capacity change from 0 to 63 [ 101.789245][ T5992] block nbd0: reconnected socket [ 101.789274][ T5989] block nbd0: Receive control failed (result -107) [ 101.795395][ T5145] block nbd4: Receive control failed (result -104) [ 101.801562][ T5885] block nbd4: Receive control failed (result -32) [ 102.041215][ T5993] nbd5: detected capacity change from 0 to 63 [ 102.048851][ T5993] block nbd0: reconnected socket [ 102.048928][ T5145] block nbd0: Receive control failed (result -107) [ 102.057953][ T5989] block nbd5: Receive control failed (result -104) [ 102.067248][ T5885] block nbd5: Receive control failed (result -32) [ 102.271279][ T5995] nbd6: detected capacity change from 0 to 63 [ 102.279156][ T5995] block nbd0: reconnected socket [ 102.279186][ T5145] block nbd0: Receive control failed (result -107) [ 102.287036][ T5885] block nbd6: Receive control failed (result -104) [ 102.291005][ T5989] block nbd6: Receive control failed (result -32) [ 102.521241][ T5997] nbd7: detected capacity change from 0 to 63 [ 102.529028][ T5997] block nbd0: reconnected socket [ 102.529058][ T5885] block nbd0: Receive control failed (result -107) [ 102.540659][ T5145] block nbd7: Receive control failed (result -104) [ 102.547416][ T5989] block nbd7: Receive control failed (result -32) [ 102.771279][ T5999] nbd8: detected capacity change from 0 to 63 [ 102.779002][ T5999] block nbd0: reconnected socket [ 102.779029][ T5885] block nbd0: Receive control failed (result -107) [ 102.786157][ T5145] block nbd8: Receive control failed (result -104) [ 102.797117][ T5989] block nbd8: Receive control failed (result -32) [ 103.041255][ T6001] nbd9: detected capacity change from 0 to 63 [ 103.049157][ T6001] block nbd0: reconnected socket [ 103.049186][ T5885] block nbd0: Receive control failed (result -107) [ 103.058337][ T5989] block nbd9: Receive control failed (result -104) [ 103.067538][ T5145] block nbd9: Receive control failed (result -32) [ 103.292769][ T6003] block nbd0: reconnected socket [ 103.292796][ T5885] block nbd0: Receive control failed (result -107) [ 103.304485][ T5989] block nbd10: Receive control failed (result -104) [ 103.311215][ T5145] block nbd10: Receive control failed (result -32) [ 103.592803][ T6005] block nbd0: reconnected socket [ 103.592831][ T5989] block nbd0: Receive control failed (result -107) [ 103.599138][ T5885] block nbd11: Receive control failed (result -104) [ 103.604409][ T5145] block nbd11: Receive control failed (result -32) [ 103.843018][ T6007] block nbd0: reconnected socket [ 103.843119][ T5885] block nbd0: Receive control failed (result -107) [ 103.854696][ T5989] block nbd12: Receive control failed (result -104) [ 103.861457][ T5145] block nbd12: Receive control failed (result -32) [ 103.868052][ T5145] Bluetooth: hci0: command tx timeout [ 104.112739][ T6010] block nbd0: reconnected socket [ 104.112747][ T5145] block nbd0: Receive control failed (result -107) [ 104.124972][ T6009] block nbd13: Receive control failed (result -32) [ 104.124994][ T51] block nbd13: Receive control failed (result -32) [ 104.392883][ T6011] block nbd0: reconnected socket [ 104.392915][ T5145] block nbd0: Receive control failed (result -107) [ 104.399313][ T6009] block nbd14: Receive control failed (result -32) [ 104.404469][ T51] block nbd14: Receive control failed (result -32) [ 104.671237][ T6012] set_capacity_and_notify: 5 callbacks suppressed [ 104.671258][ T6012] nbd15: detected capacity change from 0 to 63 [ 104.685814][ T6012] block nbd0: reconnected socket [ 104.685869][ T6009] block nbd0: Receive control failed (result -107) [ 104.692877][ T51] block nbd15: Receive control failed (result -32) [ 104.697527][ T5145] block nbd15: Receive control failed (result -32) [ 104.941299][ T6013] nbd16: detected capacity change from 0 to 63 [ 104.949118][ T6013] block nbd0: reconnected socket [ 104.949153][ T51] block nbd0: Receive control failed (result -107) [ 104.956821][ T5145] block nbd16: Receive control failed (result -32) [ 104.960855][ T6009] block nbd16: Receive control failed (result -32) [ 105.191211][ T6015] nbd17: detected capacity change from 0 to 63 [ 105.198820][ T6015] block nbd0: reconnected socket [ 105.198851][ T5145] block nbd0: Receive control failed (result -107) [ 105.206249][ T51] block nbd17: Receive control failed (result -32) [ 105.210436][ T6009] block nbd17: Receive control failed (result -32) [ 105.451438][ T6017] nbd18: detected capacity change from 0 to 63 [ 105.459352][ T6017] block nbd0: reconnected socket [ 105.459384][ T6009] block nbd0: Receive control failed (result -107) [ 105.466995][ T5145] block nbd18: Receive control failed (result -32) [ 105.471237][ T51] block nbd18: Receive control failed (result -32) [ 105.741159][ T6019] nbd19: detected capacity change from 0 to 63 [ 105.748822][ T6019] block nbd0: reconnected socket [ 105.748851][ T5145] block nbd0: Receive control failed (result -107) [ 105.756487][ T51] block nbd19: Receive control failed (result -32) [ 105.760517][ T6009] block nbd19: Receive control failed (result -32) [ 106.011344][ T6021] nbd20: detected capacity change from 0 to 63 [ 106.018910][ T6021] block nbd0: reconnected socket [ 106.018939][ T51] block nbd0: Receive control failed (result -107) [ 106.026048][ T6009] block nbd20: Receive control failed (result -32) [ 106.030602][ T5145] block nbd20: Receive control failed (result -32) 2026/03/19 22:45:38 executed programs: 23 [ 106.261202][ T6023] nbd21: detected capacity change from 0 to 63 [ 106.268881][ T6023] block nbd0: reconnected socket [ 106.268911][ T6009] block nbd0: Receive control failed (result -107) [ 106.280483][ T5145] block nbd21: Receive control failed (result -32) [ 106.287093][ T51] block nbd21: Receive control failed (result -32) [ 106.541207][ T6025] nbd22: detected capacity change from 0 to 63 [ 106.548810][ T6025] block nbd0: reconnected socket [ 106.548842][ T6009] block nbd0: Receive control failed (result -107) [ 106.558047][ T5145] block nbd22: Receive control failed (result -32) [ 106.560743][ T51] block nbd22: Receive control failed (result -32) [ 106.791214][ T6027] nbd23: detected capacity change from 0 to 63 [ 106.798834][ T6027] block nbd0: reconnected socket [ 106.798864][ T5145] block nbd0: Receive control failed (result -107) [ 106.806166][ T6009] block nbd23: Receive control failed (result -32) [ 106.810746][ T51] block nbd23: Receive control failed (result -32) [ 107.071352][ T6029] nbd24: detected capacity change from 0 to 63 [ 107.079070][ T6029] block nbd0: reconnected socket [ 107.079106][ T6009] block nbd0: Receive control failed (result -107) [ 107.085659][ T5145] block nbd24: Receive control failed (result -32) [ 107.097293][ T51] block nbd24: Receive control failed (result -32) [ 107.402611][ T6031] block nbd0: reconnected socket [ 107.402641][ T6009] block nbd0: Receive control failed (result -107) [ 107.408936][ T5145] block nbd25: Receive control failed (result -32) [ 107.420859][ T51] block nbd25: Receive control failed (result -32) [ 107.652748][ T6033] block nbd0: reconnected socket [ 107.652777][ T6009] block nbd0: Receive control failed (result -107) [ 107.664388][ T5145] block nbd26: Receive control failed (result -32) [ 107.671484][ T51] block nbd26: Receive control failed (result -32) [ 107.923974][ T6035] block nbd0: reconnected socket [ 107.924005][ T5145] block nbd0: Receive control failed (result -107) [ 107.935657][ T51] block nbd27: Receive control failed (result -32) [ 107.942287][ T6009] block nbd27: Receive control failed (result -32) [ 108.192566][ T6037] block nbd0: reconnected socket [ 108.192597][ T5145] block nbd0: Receive control failed (result -107) [ 108.204148][ T51] block nbd28: Receive control failed (result -32) [ 108.210818][ T6009] block nbd28: Receive control failed (result -32) [ 108.432576][ T6039] block nbd0: reconnected socket [ 108.432608][ T5145] block nbd0: Receive control failed (result -107) [ 108.444180][ T6009] block nbd29: Receive control failed (result -32) [ 108.451079][ T51] block nbd29: Receive control failed (result -32) [ 108.692741][ T6041] block nbd0: reconnected socket [ 108.692774][ T51] block nbd0: Receive control failed (result -107) [ 108.699195][ T6009] block nbd30: Receive control failed (result -32) [ 108.704345][ T5145] block nbd30: Receive control failed (result -32) [ 108.972498][ T6043] block nbd0: reconnected socket [ 108.972526][ T6009] block nbd0: Receive control failed (result -107) [ 108.978856][ T5145] block nbd31: Receive control failed (result -32) [ 108.984063][ T51] block nbd31: Receive control failed (result -32) [ 109.222585][ T6045] block nbd0: reconnected socket [ 109.222620][ T51] block nbd0: Receive control failed (result -107) [ 109.228840][ T5145] block nbd32: Receive control failed (result -32) [ 109.234187][ T6009] block nbd32: Receive control failed (result -32) [ 109.472622][ T6047] block nbd0: reconnected socket [ 109.472653][ T5145] block nbd0: Receive control failed (result -107) [ 109.484216][ T51] block nbd33: Receive control failed (result -32) [ 109.490840][ T6009] block nbd33: Receive control failed (result -32) [ 109.731201][ T6049] set_capacity_and_notify: 9 callbacks suppressed [ 109.731217][ T6049] nbd34: detected capacity change from 0 to 63 [ 109.745516][ T6049] block nbd0: reconnected socket [ 109.745549][ T51] block nbd0: Receive control failed (result -107) [ 109.752852][ T5145] block nbd34: Receive control failed (result -32) [ 109.763638][ T6009] block nbd34: Receive control failed (result -32)