Warning: Permanently added '10.128.0.224' (ED25519) to the list of known hosts. 2026/03/22 13:26:25 parsed 1 programs [ 92.092469][ T24] cfg80211: failed to load regulatory.db [ 92.279963][ T5844] cgroup: Unknown subsys name 'net' [ 92.392966][ T5844] cgroup: Unknown subsys name 'cpuset' [ 92.402834][ T5844] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 94.201563][ T5844] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 97.656459][ T5863] 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. [ 98.637960][ T5875] chnl_net:caif_netlink_parms(): no params data found [ 98.795579][ T5875] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.803946][ T5875] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.812170][ T5875] bridge_slave_0: entered allmulticast mode [ 98.821014][ T5875] bridge_slave_0: entered promiscuous mode [ 98.837265][ T5875] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.844829][ T5875] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.852484][ T5875] bridge_slave_1: entered allmulticast mode [ 98.860540][ T5875] bridge_slave_1: entered promiscuous mode [ 98.903566][ T5875] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.918038][ T5875] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.955818][ T5875] team0: Port device team_slave_0 added [ 98.964855][ T5875] team0: Port device team_slave_1 added [ 99.005150][ T5875] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.012523][ T5875] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 99.038567][ T5875] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.052586][ T5875] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.059714][ T5875] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 99.085651][ T5875] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.140317][ T5875] hsr_slave_0: entered promiscuous mode [ 99.147972][ T5875] hsr_slave_1: entered promiscuous mode [ 99.338719][ T5875] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.353366][ T5875] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.365258][ T5875] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.377693][ T5875] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.424194][ T5875] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.431902][ T5875] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.440012][ T5875] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.447179][ T5875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.534413][ T5875] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.560214][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.570057][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.589162][ T5875] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.608740][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.615932][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.633645][ T151] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.640852][ T151] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.874045][ T5875] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.946311][ T5875] veth0_vlan: entered promiscuous mode [ 99.964260][ T5875] veth1_vlan: entered promiscuous mode [ 100.010140][ T5875] veth0_macvtap: entered promiscuous mode [ 100.022790][ T5875] veth1_macvtap: entered promiscuous mode [ 100.051994][ T5875] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.070424][ T5875] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.095168][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.107081][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.118906][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.127732][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.291471][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.370375][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.440152][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.545756][ T13] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.707771][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 101.716858][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 101.725989][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 101.734536][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 101.742977][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 102.039722][ T157] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.048006][ T157] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.093246][ T157] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.101280][ T157] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.759378][ T13] bridge_slave_1: left allmulticast mode [ 102.765629][ T13] bridge_slave_1: left promiscuous mode [ 102.773438][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.789722][ T13] bridge_slave_0: left allmulticast mode [ 102.795593][ T13] bridge_slave_0: left promiscuous mode [ 102.803766][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.060952][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 103.072340][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 103.082970][ T13] bond0 (unregistering): Released all slaves [ 103.218285][ T13] hsr_slave_0: left promiscuous mode [ 103.224870][ T13] hsr_slave_1: left promiscuous mode [ 103.231744][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 103.239779][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 103.251744][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 103.260278][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 103.279747][ T13] veth1_macvtap: left promiscuous mode [ 103.286097][ T13] veth0_macvtap: left promiscuous mode [ 103.292263][ T13] veth1_vlan: left promiscuous mode [ 103.297689][ T13] veth0_vlan: left promiscuous mode [ 103.658592][ T13] team0 (unregistering): Port device team_slave_1 removed [ 103.697013][ T13] team0 (unregistering): Port device team_slave_0 removed 2026/03/22 13:26:41 executed programs: 0 [ 104.553898][ T5160] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 104.565424][ T5160] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 104.575873][ T5160] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 104.588400][ T5160] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 104.598124][ T5160] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 105.833353][ T5980] chnl_net:caif_netlink_parms(): no params data found [ 105.961427][ T5980] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.969011][ T5980] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.976358][ T5980] bridge_slave_0: entered allmulticast mode [ 105.985261][ T5980] bridge_slave_0: entered promiscuous mode [ 105.995177][ T5980] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.002953][ T5980] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.010364][ T5980] bridge_slave_1: entered allmulticast mode [ 106.018240][ T5980] bridge_slave_1: entered promiscuous mode [ 106.066497][ T5980] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 106.081451][ T5980] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 106.129795][ T5980] team0: Port device team_slave_0 added [ 106.149668][ T5980] team0: Port device team_slave_1 added [ 106.216866][ T5980] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 106.227941][ T5980] 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. [ 106.254909][ T5980] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 106.269078][ T5980] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 106.276088][ T5980] 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. [ 106.302351][ T5980] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 106.377769][ T5980] hsr_slave_0: entered promiscuous mode [ 106.386239][ T5980] hsr_slave_1: entered promiscuous mode [ 106.650680][ T5160] Bluetooth: hci0: command tx timeout [ 107.307477][ T5980] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 107.325049][ T5980] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 107.339368][ T5980] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 107.353646][ T5980] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 107.529962][ T5980] 8021q: adding VLAN 0 to HW filter on device bond0 [ 107.568173][ T5980] 8021q: adding VLAN 0 to HW filter on device team0 [ 107.591810][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.599096][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.621076][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.628403][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.961435][ T5980] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 108.071148][ T5980] veth0_vlan: entered promiscuous mode [ 108.094818][ T5980] veth1_vlan: entered promiscuous mode [ 108.163242][ T5980] veth0_macvtap: entered promiscuous mode [ 108.182473][ T5980] veth1_macvtap: entered promiscuous mode [ 108.217699][ T5980] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 108.246908][ T5980] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 108.278714][ T144] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.306025][ T144] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.335633][ T144] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.350594][ T144] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.456655][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.470830][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.530636][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.541347][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.728995][ T5160] Bluetooth: hci0: command tx timeout [ 108.810782][ T6066] nbd0: detected capacity change from 0 to 63 [ 108.823651][ T51] block nbd0: Receive control failed (result -32) [ 108.823970][ T5160] block nbd0: Receive control failed (result -32) [ 108.845656][ T5851] block nbd0: Dead connection, failed to find a fallback [ 108.853555][ T5851] block nbd0: shutting down sockets [ 108.859978][ T5851] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 108.873829][ T5851] Buffer I/O error on dev nbd0, logical block 0, async page read [ 108.887619][ T5851] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 108.924695][ T5851] Buffer I/O error on dev nbd0, logical block 1, async page read [ 108.952598][ T5851] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 108.964754][ T5851] Buffer I/O error on dev nbd0, logical block 2, async page read [ 108.973276][ T5851] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 108.986424][ T5851] Buffer I/O error on dev nbd0, logical block 3, async page read [ 108.995829][ T5851] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 109.006487][ T5851] Buffer I/O error on dev nbd0, logical block 0, async page read [ 109.015982][ T5851] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 109.025550][ T5851] Buffer I/O error on dev nbd0, logical block 1, async page read [ 109.034439][ T5851] I/O error, dev nbd0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 109.044069][ T5851] Buffer I/O error on dev nbd0, logical block 2, async page read [ 109.052904][ T5851] I/O error, dev nbd0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 109.069622][ T5851] Buffer I/O error on dev nbd0, logical block 3, async page read [ 109.077859][ T5851] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 109.087510][ T5851] Buffer I/O error on dev nbd0, logical block 0, async page read [ 109.097326][ T5851] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 109.108925][ T5851] Buffer I/O error on dev nbd0, logical block 1, async page read [ 109.123259][ T5851] ldm_validate_partition_table(): Disk read failed. [ 109.133688][ T5851] Dev nbd0: unable to read RDB block 0 [ 109.142569][ T5851] nbd0: unable to read partition table [ 109.180739][ T5851] ldm_validate_partition_table(): Disk read failed. [ 109.202578][ T5851] Dev nbd0: unable to read RDB block 0 [ 109.216335][ T5851] nbd0: unable to read partition table [ 109.249772][ T6073] nbd1: detected capacity change from 0 to 63 [ 109.266390][ T6073] block nbd0: reconnected socket [ 109.272013][ T5924] block nbd0: Receive control failed (result -107) [ 109.287360][ T5924] [ 109.289757][ T5924] ====================================================== [ 109.293565][ T5160] block nbd1: Receive control failed (result -104) [ 109.296796][ T5924] WARNING: possible circular locking dependency detected [ 109.296827][ T5924] syzkaller #0 Not tainted [ 109.296838][ T5924] ------------------------------------------------------ [ 109.296846][ T5924] kworker/u9:2/5924 is trying to acquire lock: [ 109.296858][ T5924] ffff88802acc2ae0 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_shutdown+0x6a/0x390 [ 109.296922][ T5924] [ 109.296922][ T5924] but task is already holding lock: [ 109.296930][ T5924] ffff888079bd1a68 (&nsock->tx_lock){+.+.}-{4:4}, at: recv_work+0x1c19/0x1d40 [ 109.296978][ T5924] [ 109.296978][ T5924] which lock already depends on the new lock. [ 109.296978][ T5924] [ 109.296985][ T5924] [ 109.296985][ T5924] the existing dependency chain (in reverse order) is: [ 109.296993][ T5924] [ 109.296993][ T5924] -> #6 (&nsock->tx_lock){+.+.}-{4:4}: [ 109.297026][ T5924] __mutex_lock+0x19e/0x1420 [ 109.297053][ T5924] nbd_queue_rq+0x37b/0x1100 [ 109.390788][ T5924] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 109.396907][ T5924] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 109.403815][ T5924] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 109.410363][ T5924] blk_mq_run_hw_queue+0x348/0x4f0 [ 109.416030][ T5924] blk_mq_dispatch_list+0xd16/0xe10 [ 109.421795][ T5924] blk_mq_flush_plug_list+0x48d/0x570 [ 109.427731][ T5924] __blk_flush_plug+0x3ed/0x4d0 [ 109.433138][ T5924] __submit_bio+0x28d/0x580 [ 109.438188][ T5924] submit_bio_noacct_nocheck+0x2f4/0xa40 [ 109.444373][ T5924] block_read_full_folio+0x599/0x830 [ 109.450385][ T5924] filemap_read_folio+0x137/0x3b0 [ 109.455958][ T5924] do_read_cache_folio+0x358/0x590 [ 109.461610][ T5924] read_part_sector+0xb6/0x2b0 [ 109.467012][ T5924] adfspart_check_ICS+0xa5/0xa40 [ 109.472501][ T5924] bdev_disk_changed+0x7ba/0x1550 [ 109.478077][ T5924] blkdev_get_whole+0x380/0x510 [ 109.483486][ T5924] bdev_open+0x31e/0xd30 [ 109.488278][ T5924] blkdev_open+0x470/0x610 [ 109.493241][ T5924] do_dentry_open+0x785/0x14e0 [ 109.498576][ T5924] vfs_open+0x3b/0x340 [ 109.503193][ T5924] path_openat+0x2e08/0x3860 [ 109.508332][ T5924] do_file_open+0x23e/0x4a0 [ 109.513374][ T5924] do_sys_openat2+0x113/0x200 [ 109.518597][ T5924] __x64_sys_openat+0x138/0x170 [ 109.523994][ T5924] do_syscall_64+0x14d/0xf80 [ 109.529140][ T5924] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.535575][ T5924] [ 109.535575][ T5924] -> #5 (&cmd->lock){+.+.}-{4:4}: [ 109.542815][ T5924] __mutex_lock+0x19e/0x1420 [ 109.547956][ T5924] nbd_queue_rq+0xc6/0x1100 [ 109.553016][ T5924] blk_mq_dispatch_rq_list+0xa70/0x1910 [ 109.559131][ T5924] __blk_mq_sched_dispatch_requests+0xdcc/0x1600 [ 109.566016][ T5924] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 109.572547][ T5924] blk_mq_run_hw_queue+0x348/0x4f0 [ 109.578209][ T5924] blk_mq_dispatch_list+0xd16/0xe10 [ 109.583956][ T5924] blk_mq_flush_plug_list+0x48d/0x570 [ 109.589875][ T5924] __blk_flush_plug+0x3ed/0x4d0 [ 109.595274][ T5924] __submit_bio+0x28d/0x580 [ 109.600415][ T5924] submit_bio_noacct_nocheck+0x2f4/0xa40 [ 109.606614][ T5924] block_read_full_folio+0x599/0x830 [ 109.612459][ T5924] filemap_read_folio+0x137/0x3b0 [ 109.618049][ T5924] do_read_cache_folio+0x358/0x590 [ 109.623717][ T5924] read_part_sector+0xb6/0x2b0 [ 109.629035][ T5924] adfspart_check_ICS+0xa5/0xa40 [ 109.634535][ T5924] bdev_disk_changed+0x7ba/0x1550 [ 109.640113][ T5924] blkdev_get_whole+0x380/0x510 [ 109.645521][ T5924] bdev_open+0x31e/0xd30 [ 109.650320][ T5924] blkdev_open+0x470/0x610 [ 109.655289][ T5924] do_dentry_open+0x785/0x14e0 [ 109.660945][ T5924] vfs_open+0x3b/0x340 [ 109.665582][ T5924] path_openat+0x2e08/0x3860 [ 109.670737][ T5924] do_file_open+0x23e/0x4a0 [ 109.675789][ T5924] do_sys_openat2+0x113/0x200 [ 109.681028][ T5924] __x64_sys_openat+0x138/0x170 [ 109.686431][ T5924] do_syscall_64+0x14d/0xf80 [ 109.691568][ T5924] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.698015][ T5924] [ 109.698015][ T5924] -> #4 (set->srcu){.+.+}-{0:0}: [ 109.705172][ T5924] __synchronize_srcu+0xca/0x3e0 [ 109.710668][ T5924] elevator_switch+0x1e8/0x7a0 [ 109.715982][ T5924] elevator_change+0x2cc/0x450 [ 109.721324][ T5924] elevator_set_default+0x36c/0x430 [ 109.727085][ T5924] blk_register_queue+0x3e9/0x4e0 [ 109.732655][ T5924] __add_disk+0x677/0xd50 [ 109.737537][ T5924] add_disk_fwnode+0xfb/0x480 [ 109.742760][ T5924] nbd_dev_add+0x72c/0xb50 [ 109.747731][ T5924] nbd_init+0x168/0x1f0 [ 109.752446][ T5924] do_one_initcall+0x250/0x870 [ 109.757787][ T5924] do_initcall_level+0x104/0x190 [ 109.763270][ T5924] do_initcalls+0x59/0xa0 [ 109.768231][ T5924] kernel_init_freeable+0x2a6/0x3e0 [ 109.773984][ T5924] kernel_init+0x1d/0x1d0 [ 109.778863][ T5924] ret_from_fork+0x51e/0xb90 [ 109.784008][ T5924] ret_from_fork_asm+0x1a/0x30 [ 109.789319][ T5924] [ 109.789319][ T5924] -> #3 (&q->elevator_lock){+.+.}-{4:4}: [ 109.797348][ T5924] __mutex_lock+0x19e/0x1420 [ 109.802501][ T5924] elevator_change+0x1b3/0x450 [ 109.807811][ T5924] elevator_set_none+0xb5/0x140 [ 109.813301][ T5924] blk_mq_update_nr_hw_queues+0x5e7/0x1a60 [ 109.819659][ T5924] nbd_start_device+0x17f/0xb10 [ 109.825085][ T5924] nbd_genl_connect+0x165b/0x1cf0 [ 109.830668][ T5924] genl_family_rcv_msg_doit+0x22a/0x330 [ 109.836772][ T5924] genl_rcv_msg+0x61c/0x7a0 [ 109.841829][ T5924] netlink_rcv_skb+0x232/0x4b0 [ 109.847228][ T5924] genl_rcv+0x28/0x40 [ 109.851758][ T5924] netlink_unicast+0x80f/0x9b0 [ 109.857077][ T5924] netlink_sendmsg+0x813/0xb40 [ 109.862432][ T5924] sock_sendmsg_nosec+0x112/0x150 [ 109.868012][ T5924] ____sys_sendmsg+0x589/0x8c0 [ 109.873338][ T5924] ___sys_sendmsg+0x2a5/0x360 [ 109.878560][ T5924] __x64_sys_sendmsg+0x1bd/0x2a0 [ 109.884049][ T5924] do_syscall_64+0x14d/0xf80 [ 109.889194][ T5924] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.895639][ T5924] [ 109.895639][ T5924] -> #2 (&q->q_usage_counter(io)#49){++++}-{0:0}: [ 109.904276][ T5924] blk_alloc_queue+0x546/0x680 [ 109.909600][ T5924] __blk_mq_alloc_disk+0x197/0x390 [ 109.915255][ T5924] nbd_dev_add+0x499/0xb50 [ 109.920252][ T5924] nbd_init+0x168/0x1f0 [ 109.924961][ T5924] do_one_initcall+0x250/0x870 [ 109.930287][ T5924] do_initcall_level+0x104/0x190 [ 109.935768][ T5924] do_initcalls+0x59/0xa0 [ 109.940640][ T5924] kernel_init_freeable+0x2a6/0x3e0 [ 109.946398][ T5924] kernel_init+0x1d/0x1d0 [ 109.951287][ T5924] ret_from_fork+0x51e/0xb90 [ 109.956435][ T5924] ret_from_fork_asm+0x1a/0x30 [ 109.961750][ T5924] [ 109.961750][ T5924] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 109.968998][ T5924] fs_reclaim_acquire+0x71/0x100 [ 109.974599][ T5924] kmem_cache_alloc_node_noprof+0x4a/0x690 [ 109.980962][ T5924] __alloc_skb+0x1d0/0x7d0 [ 109.985927][ T5924] __ip6_append_data+0x2a44/0x3c50 [ 109.991591][ T5924] ip6_append_data+0x10f/0x2a0 [ 109.996905][ T5924] rawv6_sendmsg+0x12d3/0x18e0 [ 110.002223][ T5924] sock_sendmsg_nosec+0xf9/0x150 [ 110.007706][ T5924] ____sys_sendmsg+0x589/0x8c0 [ 110.013026][ T5924] ___sys_sendmsg+0x2a5/0x360 [ 110.018345][ T5924] __x64_sys_sendmsg+0x1bd/0x2a0 [ 110.023829][ T5924] do_syscall_64+0x14d/0xf80 [ 110.028969][ T5924] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.035414][ T5924] [ 110.035414][ T5924] -> #0 (sk_lock-AF_INET6){+.+.}-{0:0}: [ 110.043177][ T5924] __lock_acquire+0x15a5/0x2cf0 [ 110.048581][ T5924] lock_acquire+0x106/0x350 [ 110.053629][ T5924] lock_sock_nested+0x41/0x100 [ 110.058942][ T5924] inet_shutdown+0x6a/0x390 [ 110.064003][ T5924] nbd_mark_nsock_dead+0x2e9/0x560 [ 110.069672][ T5924] recv_work+0x1c2e/0x1d40 [ 110.074631][ T5924] process_one_work+0x9a3/0x1710 [ 110.080137][ T5924] worker_thread+0xba8/0x11e0 [ 110.085353][ T5924] kthread+0x388/0x470 [ 110.090040][ T5924] ret_from_fork+0x51e/0xb90 [ 110.095187][ T5924] ret_from_fork_asm+0x1a/0x30 [ 110.100498][ T5924] [ 110.100498][ T5924] other info that might help us debug this: [ 110.100498][ T5924] [ 110.110749][ T5924] Chain exists of: [ 110.110749][ T5924] sk_lock-AF_INET6 --> &cmd->lock --> &nsock->tx_lock [ 110.110749][ T5924] [ 110.123571][ T5924] Possible unsafe locking scenario: [ 110.123571][ T5924] [ 110.131047][ T5924] CPU0 CPU1 [ 110.136510][ T5924] ---- ---- [ 110.141888][ T5924] lock(&nsock->tx_lock); [ 110.146332][ T5924] lock(&cmd->lock); [ 110.152863][ T5924] lock(&nsock->tx_lock); [ 110.159909][ T5924] lock(sk_lock-AF_INET6); [ 110.164437][ T5924] [ 110.164437][ T5924] *** DEADLOCK *** [ 110.164437][ T5924] [ 110.172603][ T5924] 3 locks held by kworker/u9:2/5924: [ 110.177902][ T5924] #0: ffff888027b98140 ((wq_completion)nbd0-recv){+.+.}-{0:0}, at: process_one_work+0x890/0x1710 [ 110.188571][ T5924] #1: ffffc900037a7c40 ((work_completion)(&args->work)#3){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710 [ 110.199970][ T5924] #2: ffff888079bd1a68 (&nsock->tx_lock){+.+.}-{4:4}, at: recv_work+0x1c19/0x1d40 [ 110.209354][ T5924] [ 110.209354][ T5924] stack backtrace: [ 110.215285][ T5924] CPU: 1 UID: 0 PID: 5924 Comm: kworker/u9:2 Not tainted syzkaller #0 PREEMPT(full) [ 110.215307][ T5924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 110.215319][ T5924] Workqueue: nbd0-recv recv_work [ 110.215349][ T5924] Call Trace: [ 110.215358][ T5924] [ 110.215366][ T5924] dump_stack_lvl+0xe8/0x150 [ 110.215392][ T5924] print_circular_bug+0x2e1/0x300 [ 110.215413][ T5924] check_noncircular+0x12e/0x150 [ 110.215433][ T5924] __lock_acquire+0x15a5/0x2cf0 [ 110.215465][ T5924] ? irqentry_exit+0x61a/0x700 [ 110.215486][ T5924] ? lockdep_hardirqs_on+0x7a/0x110 [ 110.215506][ T5924] ? inet_shutdown+0x6a/0x390 [ 110.215527][ T5924] lock_acquire+0x106/0x350 [ 110.215570][ T5924] ? inet_shutdown+0x6a/0x390 [ 110.215599][ T5924] lock_sock_nested+0x41/0x100 [ 110.215617][ T5924] ? inet_shutdown+0x6a/0x390 [ 110.215641][ T5924] inet_shutdown+0x6a/0x390 [ 110.215666][ T5924] nbd_mark_nsock_dead+0x2e9/0x560 [ 110.215699][ T5924] recv_work+0x1c2e/0x1d40 [ 110.215724][ T5924] ? lockdep_unlock+0x5d/0xd0 [ 110.215755][ T5924] ? __pfx_recv_work+0x10/0x10 [ 110.215777][ T5924] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 110.215802][ T5924] ? process_one_work+0x8b7/0x1710 [ 110.215833][ T5924] ? process_one_work+0x8b7/0x1710 [ 110.215856][ T5924] process_one_work+0x9a3/0x1710 [ 110.215889][ T5924] ? __pfx_process_one_work+0x10/0x10 [ 110.215913][ T5924] ? rcuwait_wake_up+0x1c/0x230 [ 110.215938][ T5924] worker_thread+0xba8/0x11e0 [ 110.215962][ T5924] kthread+0x388/0x470 [ 110.215981][ T5924] ? __pfx_worker_thread+0x10/0x10 [ 110.215994][ T5924] ? __pfx_kthread+0x10/0x10 [ 110.216040][ T5924] ret_from_fork+0x51e/0xb90 [ 110.216066][ T5924] ? __pfx_ret_from_fork+0x10/0x10 [ 110.216088][ T5924] ? __switch_to+0xc7d/0x1420 [ 110.216109][ T5924] ? __pfx_kthread+0x10/0x10 [ 110.216128][ T5924] ret_from_fork_asm+0x1a/0x30 [ 110.216149][ T5924] [ 110.399659][ T51] block nbd1: Receive control failed (result -32) 2026/03/22 13:26:47 executed programs: 4 [ 110.718746][ T6080] nbd2: detected capacity change from 0 to 63 [ 110.730172][ T6080] block nbd0: reconnected socket [ 110.730192][ T5160] block nbd0: Receive control failed (result -107) [ 110.736594][ T5924] block nbd2: Receive control failed (result -104) [ 110.742988][ T51] block nbd2: Receive control failed (result -32) [ 110.819333][ T5160] Bluetooth: hci0: command tx timeout [ 110.968914][ T6096] nbd3: detected capacity change from 0 to 63 [ 110.977012][ T6096] block nbd0: reconnected socket [ 110.977034][ T5924] block nbd0: Receive control failed (result -107) [ 110.988668][ T51] block nbd3: Receive control failed (result -104) [ 110.995267][ T5160] block nbd3: Receive control failed (result -32) [ 111.228703][ T6099] nbd4: detected capacity change from 0 to 63 [ 111.237042][ T6099] block nbd0: reconnected socket [ 111.237058][ T5924] block nbd0: Receive control failed (result -107) [ 111.250043][ T51] block nbd4: Receive control failed (result -104) [ 111.256657][ T5160] block nbd4: Receive control failed (result -32) [ 111.468675][ T6100] nbd5: detected capacity change from 0 to 63 [ 111.477190][ T6100] block nbd0: reconnected socket [ 111.477214][ T5924] block nbd0: Receive control failed (result -107) [ 111.483983][ T51] block nbd5: Receive control failed (result -104) [ 111.489644][ T5160] block nbd5: Receive control failed (result -32) [ 111.728740][ T6102] nbd6: detected capacity change from 0 to 63 [ 111.736990][ T6102] block nbd0: reconnected socket [ 111.737012][ T51] block nbd0: Receive control failed (result -107) [ 111.744758][ T5924] block nbd6: Receive control failed (result -104) [ 111.748769][ T5160] block nbd6: Receive control failed (result -32) [ 111.958631][ T6105] nbd7: detected capacity change from 0 to 63 [ 111.966770][ T6105] block nbd0: reconnected socket [ 111.966800][ T5924] block nbd0: Receive control failed (result -107) [ 111.979102][ T51] block nbd7: Receive control failed (result -104) [ 111.979288][ T5160] block nbd7: Receive control failed (result -32) [ 112.158597][ T6106] nbd8: detected capacity change from 0 to 63 [ 112.166613][ T6106] block nbd0: reconnected socket [ 112.166641][ T5924] block nbd0: Receive control failed (result -107) [ 112.173630][ T5160] block nbd8: Receive control failed (result -104) [ 112.178641][ T51] block nbd8: Receive control failed (result -32) [ 112.418595][ T6108] nbd9: detected capacity change from 0 to 63 [ 112.426566][ T6108] block nbd0: reconnected socket [ 112.426594][ T5160] block nbd0: Receive control failed (result -107) [ 112.434277][ T5924] block nbd9: Receive control failed (result -104) [ 112.438219][ T51] block nbd9: Receive control failed (result -32) [ 112.670667][ T6110] block nbd0: reconnected socket [ 112.670693][ T5924] block nbd0: Receive control failed (result -107) [ 112.682264][ T51] block nbd10: Receive control failed (result -104) [ 112.689101][ T5160] block nbd10: Receive control failed (result -32) [ 112.889374][ T51] Bluetooth: hci0: command tx timeout [ 112.910483][ T6112] block nbd0: reconnected socket [ 112.910511][ T51] block nbd0: Receive control failed (result -107) [ 112.922115][ T5924] block nbd11: Receive control failed (result -104) [ 112.928831][ T5160] block nbd11: Receive control failed (result -32) [ 113.160849][ T6114] block nbd0: reconnected socket [ 113.160880][ T51] block nbd0: Receive control failed (result -107) [ 113.169624][ T5924] block nbd12: Receive control failed (result -104) [ 113.172680][ T5160] block nbd12: Receive control failed (result -32) [ 113.430319][ T6116] block nbd0: reconnected socket [ 113.430347][ T5924] block nbd0: Receive control failed (result -107) [ 113.437424][ T5160] block nbd13: Receive control failed (result -32) [ 113.441933][ T51] block nbd13: Receive control failed (result -32) [ 113.680483][ T6117] block nbd0: reconnected socket [ 113.680515][ T51] block nbd0: Receive control failed (result -107) [ 113.687464][ T5160] block nbd14: Receive control failed (result -32) [ 113.692146][ T5924] block nbd14: Receive control failed (result -32) [ 113.928643][ T6118] set_capacity_and_notify: 5 callbacks suppressed [ 113.928666][ T6118] nbd15: detected capacity change from 0 to 63 [ 113.943763][ T6118] block nbd0: reconnected socket [ 113.943824][ T5160] block nbd0: Receive control failed (result -107) [ 113.951772][ T5924] block nbd15: Receive control failed (result -32) [ 113.955565][ T51] block nbd15: Receive control failed (result -32) [ 114.198622][ T6119] nbd16: detected capacity change from 0 to 63 [ 114.206580][ T6119] block nbd0: reconnected socket [ 114.206600][ T5924] block nbd0: Receive control failed (result -107) [ 114.218693][ T5160] block nbd16: Receive control failed (result -32) [ 114.225282][ T51] block nbd16: Receive control failed (result -32) [ 114.508668][ T6121] nbd17: detected capacity change from 0 to 63 [ 114.516850][ T5924] block nbd0: Receive control failed (result -107) [ 114.517372][ T6121] block nbd0: reconnected socket [ 114.529324][ T51] block nbd17: Receive control failed (result -32) [ 114.529324][ T5160] block nbd17: Receive control failed (result -32) [ 114.778672][ T6123] nbd18: detected capacity change from 0 to 63 [ 114.786651][ T5924] block nbd0: Receive control failed (result -107) [ 114.786735][ T6123] block nbd0: reconnected socket [ 114.799400][ T51] block nbd18: Receive control failed (result -32) [ 114.799765][ T5160] block nbd18: Receive control failed (result -32) [ 115.038736][ T6125] nbd19: detected capacity change from 0 to 63 [ 115.046887][ T6125] block nbd0: reconnected socket [ 115.046913][ T5924] block nbd0: Receive control failed (result -107) [ 115.058618][ T51] block nbd19: Receive control failed (result -32) [ 115.065218][ T5160] block nbd19: Receive control failed (result -32) [ 115.298712][ T6127] nbd20: detected capacity change from 0 to 63 [ 115.306909][ T6127] block nbd0: reconnected socket [ 115.306942][ T5924] block nbd0: Receive control failed (result -107) [ 115.314055][ T5160] block nbd20: Receive control failed (result -32) [ 115.318689][ T51] block nbd20: Receive control failed (result -32) [ 115.558637][ T6129] nbd21: detected capacity change from 0 to 63 [ 115.566724][ T6129] block nbd0: reconnected socket [ 115.566756][ T51] block nbd0: Receive control failed (result -107) [ 115.574797][ T5160] block nbd21: Receive control failed (result -32) [ 115.578614][ T5924] block nbd21: Receive control failed (result -32) 2026/03/22 13:26:52 executed programs: 24 [ 115.818715][ T6131] nbd22: detected capacity change from 0 to 63 [ 115.826638][ T6131] block nbd0: reconnected socket [ 115.826669][ T5160] block nbd0: Receive control failed (result -107) [ 115.834951][ T5924] block nbd22: Receive control failed (result -32) [ 115.838436][ T51] block nbd22: Receive control failed (result -32) [ 116.068620][ T6133] nbd23: detected capacity change from 0 to 63 [ 116.076597][ T6133] block nbd0: reconnected socket [ 116.076628][ T5924] block nbd0: Receive control failed (result -107) [ 116.084671][ T51] block nbd23: Receive control failed (result -32) [ 116.088385][ T5160] block nbd23: Receive control failed (result -32) [ 116.328672][ T6135] nbd24: detected capacity change from 0 to 63 [ 116.336716][ T6135] block nbd0: reconnected socket [ 116.336753][ T51] block nbd0: Receive control failed (result -107) [ 116.344475][ T5160] block nbd24: Receive control failed (result -32) [ 116.348415][ T5924] block nbd24: Receive control failed (result -32) [ 116.600323][ T6137] block nbd0: reconnected socket [ 116.600349][ T5160] block nbd0: Receive control failed (result -107) [ 116.607578][ T5924] block nbd25: Receive control failed (result -32) [ 116.612076][ T51] block nbd25: Receive control failed (result -32) [ 116.840286][ T6139] block nbd0: reconnected socket [ 116.840312][ T5924] block nbd0: Receive control failed (result -107) [ 116.847021][ T51] block nbd26: Receive control failed (result -32) [ 116.851967][ T5160] block nbd26: Receive control failed (result -32) [ 117.080578][ T6141] block nbd0: reconnected socket [ 117.080608][ T51] block nbd0: Receive control failed (result -107) [ 117.087600][ T5160] block nbd27: Receive control failed (result -32) [ 117.092461][ T5924] block nbd27: Receive control failed (result -32) [ 117.330529][ T6143] block nbd0: reconnected socket [ 117.330557][ T5160] block nbd0: Receive control failed (result -107) [ 117.337819][ T51] block nbd28: Receive control failed (result -32) [ 117.342185][ T5924] block nbd28: Receive control failed (result -32) [ 117.580626][ T6145] block nbd0: reconnected socket [ 117.580649][ T51] block nbd0: Receive control failed (result -107) [ 117.587381][ T5924] block nbd29: Receive control failed (result -32) [ 117.593000][ T5160] block nbd29: Receive control failed (result -32) [ 117.840593][ T6147] block nbd0: reconnected socket [ 117.840617][ T5924] block nbd0: Receive control failed (result -107) [ 117.847452][ T51] block nbd30: Receive control failed (result -32) [ 117.852263][ T5160] block nbd30: Receive control failed (result -32) [ 118.090421][ T6149] block nbd0: reconnected socket [ 118.090448][ T51] block nbd0: Receive control failed (result -107) [ 118.097361][ T5160] block nbd31: Receive control failed (result -32) [ 118.102766][ T5924] block nbd31: Receive control failed (result -32) [ 118.350934][ T6151] block nbd0: reconnected socket [ 118.350960][ T5160] block nbd0: Receive control failed (result -107) [ 118.357309][ T5924] block nbd32: Receive control failed (result -32) [ 118.362570][ T51] block nbd32: Receive control failed (result -32) [ 118.590566][ T6153] block nbd0: reconnected socket [ 118.590566][ T5924] block nbd0: Receive control failed (result -107) [ 118.602716][ T5160] block nbd33: Receive control failed (result -32) [ 118.609316][ T51] block nbd33: Receive control failed (result -32) [ 118.830399][ T6155] block nbd0: reconnected socket [ 118.830426][ T5924] block nbd0: Receive control failed (result -107) [ 118.836985][ T51] block nbd34: Receive control failed (result -32) [ 118.842033][ T5160] block nbd34: Receive control failed (result -32) [ 119.088760][ T6157] set_capacity_and_notify: 10 callbacks suppressed [ 119.088785][ T6157] nbd35: detected capacity change from 0 to 63 [ 119.104122][ T6157] block nbd0: reconnected socket [ 119.104154][ T51] block nbd0: Receive control failed (result -107) [ 119.110561][ T5924] block nbd35: Receive control failed (result -32) [ 119.122361][ T5160] block nbd35: Receive control failed (result -32)