Warning: Permanently added '10.128.0.15' (ED25519) to the list of known hosts. 2025/08/31 10:11:14 parsed 1 programs [ 75.092243][ T5870] cgroup: Unknown subsys name 'net' [ 75.223000][ T5870] cgroup: Unknown subsys name 'cpuset' [ 75.231391][ T5870] cgroup: Unknown subsys name 'rlimit' [ 76.633226][ T5870] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 79.526130][ T5879] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 80.930672][ T5903] chnl_net:caif_netlink_parms(): no params data found [ 81.012679][ T5903] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.021213][ T5903] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.028919][ T5903] bridge_slave_0: entered allmulticast mode [ 81.035965][ T5903] bridge_slave_0: entered promiscuous mode [ 81.045554][ T5903] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.053206][ T5903] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.061083][ T5903] bridge_slave_1: entered allmulticast mode [ 81.068421][ T5903] bridge_slave_1: entered promiscuous mode [ 81.097410][ T5903] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.109495][ T5903] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.139801][ T5903] team0: Port device team_slave_0 added [ 81.147193][ T5903] team0: Port device team_slave_1 added [ 81.172545][ T5903] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.179921][ T5903] 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. [ 81.205840][ T5903] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.218742][ T5903] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.225808][ T5903] 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. [ 81.252723][ T5903] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.297713][ T5903] hsr_slave_0: entered promiscuous mode [ 81.304263][ T5903] hsr_slave_1: entered promiscuous mode [ 81.451081][ T5903] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.463030][ T5903] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.473108][ T5903] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.484042][ T5903] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.514200][ T5903] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.521408][ T5903] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.529521][ T5903] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.536685][ T5903] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.600515][ T5903] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.617585][ T3481] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.627017][ T3481] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.643595][ T5903] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.658435][ T1163] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.665536][ T1163] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.680358][ T1163] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.687529][ T1163] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.937891][ T5903] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.998339][ T5903] veth0_vlan: entered promiscuous mode [ 82.014918][ T5903] veth1_vlan: entered promiscuous mode [ 82.050474][ T5903] veth0_macvtap: entered promiscuous mode [ 82.064139][ T5903] veth1_macvtap: entered promiscuous mode [ 82.091646][ T5903] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.105796][ T5903] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.121450][ T3481] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.130778][ T3481] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.141722][ T3481] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.151023][ T3462] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.276791][ T3481] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.363466][ T3481] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.453225][ T3481] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.515382][ T3481] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.972343][ T5946] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.980905][ T5946] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.992842][ T5946] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 83.001643][ T5946] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 83.009830][ T5946] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 83.676398][ T3462] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.689257][ T3462] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.714940][ T1163] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.723456][ T1163] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/08/31 10:11:25 executed programs: 0 [ 84.059858][ T5946] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 84.068975][ T5946] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 84.076978][ T5946] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 84.086437][ T5946] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 84.095331][ T5946] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 84.241444][ T5982] chnl_net:caif_netlink_parms(): no params data found [ 84.310563][ T5982] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.317946][ T5982] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.325278][ T5982] bridge_slave_0: entered allmulticast mode [ 84.332579][ T5982] bridge_slave_0: entered promiscuous mode [ 84.341058][ T5982] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.349925][ T5982] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.357215][ T5982] bridge_slave_1: entered allmulticast mode [ 84.364431][ T5982] bridge_slave_1: entered promiscuous mode [ 84.394540][ T5982] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.405955][ T5982] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.437838][ T5982] team0: Port device team_slave_0 added [ 84.445712][ T5982] team0: Port device team_slave_1 added [ 84.472773][ T5982] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 84.479794][ T5982] 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. [ 84.505807][ T5982] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 84.518214][ T5982] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 84.525166][ T5982] 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. [ 84.551668][ T5982] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 84.593198][ T5982] hsr_slave_0: entered promiscuous mode [ 84.599473][ T5982] hsr_slave_1: entered promiscuous mode [ 84.605505][ T5982] debugfs: 'hsr0' already exists in 'hsr' [ 84.611502][ T5982] Cannot create hsr debugfs directory [ 84.775100][ T3481] bridge_slave_1: left allmulticast mode [ 84.781516][ T3481] bridge_slave_1: left promiscuous mode [ 84.788917][ T3481] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.799663][ T3481] bridge_slave_0: left allmulticast mode [ 84.805297][ T3481] bridge_slave_0: left promiscuous mode [ 84.812424][ T3481] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.036915][ T3481] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 85.050012][ T3481] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 85.061004][ T3481] bond0 (unregistering): Released all slaves [ 85.207654][ T3481] hsr_slave_0: left promiscuous mode [ 85.215528][ T3481] hsr_slave_1: left promiscuous mode [ 85.223526][ T3481] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 85.235322][ T3481] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 85.247004][ T3481] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 85.254730][ T3481] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 85.276550][ T3481] veth1_macvtap: left promiscuous mode [ 85.282460][ T3481] veth0_macvtap: left promiscuous mode [ 85.290109][ T3481] veth1_vlan: left promiscuous mode [ 85.295559][ T3481] veth0_vlan: left promiscuous mode [ 85.733934][ T3481] team0 (unregistering): Port device team_slave_1 removed [ 85.762891][ T3481] team0 (unregistering): Port device team_slave_0 removed [ 86.191218][ T5189] Bluetooth: hci0: command tx timeout [ 86.272792][ T5982] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 86.294630][ T5982] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 86.311378][ T5982] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 86.324403][ T5982] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 86.832078][ T980] cfg80211: failed to load regulatory.db [ 86.883556][ T5982] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.945302][ T5982] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.972525][ T3462] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.979795][ T3462] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.014452][ T3462] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.021732][ T3462] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.529177][ T5982] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.590956][ T5982] veth0_vlan: entered promiscuous mode [ 87.606446][ T5982] veth1_vlan: entered promiscuous mode [ 87.642459][ T5982] veth0_macvtap: entered promiscuous mode [ 87.654824][ T5982] veth1_macvtap: entered promiscuous mode [ 87.672360][ T5982] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 87.685022][ T5982] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 87.698610][ T3481] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.708328][ T3481] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.725102][ T3481] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.734253][ T3481] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.784086][ T1163] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.795207][ T1163] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 87.823918][ T131] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.832518][ T131] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.137749][ T6041] nbd0: detected capacity change from 0 to 127 [ 88.144780][ T5189] block nbd0: Receive control failed (result -32) [ 88.154838][ T5876] block nbd0: Send control failed (result -89) [ 88.162379][ T5876] block nbd0: Request send failed, requeueing [ 88.169479][ T5876] [ 88.171903][ T5876] ====================================================== [ 88.178914][ T5876] WARNING: possible circular locking dependency detected [ 88.185927][ T5876] syzkaller #0 Not tainted [ 88.190318][ T5876] ------------------------------------------------------ [ 88.197315][ T5876] udevd/5876 is trying to acquire lock: [ 88.202846][ T5876] ffff88807b5b2918 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_shutdown+0x6a/0x390 [ 88.211896][ T5876] [ 88.211896][ T5876] but task is already holding lock: [ 88.219331][ T5876] ffff888074f76c70 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0xa66/0xf10 [ 88.228276][ T5876] [ 88.228276][ T5876] which lock already depends on the new lock. [ 88.228276][ T5876] [ 88.238687][ T5876] [ 88.238687][ T5876] the existing dependency chain (in reverse order) is: [ 88.247770][ T5876] [ 88.247770][ T5876] -> #6 (&nsock->tx_lock){+.+.}-{4:4}: [ 88.255414][ T5876] lock_acquire+0x120/0x360 [ 88.260428][ T5876] __mutex_lock+0x187/0x1350 [ 88.265611][ T5876] nbd_queue_rq+0x257/0xf10 [ 88.270622][ T5876] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 88.276681][ T5876] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 88.283523][ T5876] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 88.290017][ T5876] blk_mq_run_hw_queue+0x348/0x4f0 [ 88.295636][ T5876] blk_mq_dispatch_list+0xd0c/0xe00 [ 88.301340][ T5876] blk_mq_flush_plug_list+0x469/0x550 [ 88.307214][ T5876] __blk_flush_plug+0x3d3/0x4b0 [ 88.312570][ T5876] __submit_bio+0x2d3/0x5a0 [ 88.317574][ T5876] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 88.323709][ T5876] block_read_full_folio+0x599/0x830 [ 88.329495][ T5876] filemap_read_folio+0x114/0x380 [ 88.335024][ T5876] do_read_cache_folio+0x350/0x590 [ 88.340723][ T5876] read_part_sector+0xb6/0x2b0 [ 88.345990][ T5876] adfspart_check_ICS+0xa4/0xa50 [ 88.351519][ T5876] bdev_disk_changed+0x75f/0x14b0 [ 88.357050][ T5876] blkdev_get_whole+0x380/0x510 [ 88.362412][ T5876] bdev_open+0x31e/0xd30 [ 88.367162][ T5876] blkdev_open+0x3a8/0x510 [ 88.372077][ T5876] do_dentry_open+0x950/0x13f0 [ 88.377436][ T5876] vfs_open+0x3b/0x340 [ 88.382018][ T5876] path_openat+0x2ee5/0x3830 [ 88.387166][ T5876] do_filp_open+0x1fa/0x410 [ 88.392188][ T5876] do_sys_openat2+0x121/0x1c0 [ 88.397402][ T5876] __x64_sys_openat+0x138/0x170 [ 88.402755][ T5876] do_syscall_64+0xfa/0x3b0 [ 88.407762][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.414156][ T5876] [ 88.414156][ T5876] -> #5 (&cmd->lock){+.+.}-{4:4}: [ 88.421359][ T5876] lock_acquire+0x120/0x360 [ 88.426473][ T5876] __mutex_lock+0x187/0x1350 [ 88.431605][ T5876] nbd_queue_rq+0xc8/0xf10 [ 88.436532][ T5876] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 88.442612][ T5876] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 88.449552][ T5876] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 88.456038][ T5876] blk_mq_run_hw_queue+0x348/0x4f0 [ 88.461658][ T5876] blk_mq_dispatch_list+0xd0c/0xe00 [ 88.467369][ T5876] blk_mq_flush_plug_list+0x469/0x550 [ 88.473245][ T5876] __blk_flush_plug+0x3d3/0x4b0 [ 88.478615][ T5876] __submit_bio+0x2d3/0x5a0 [ 88.483615][ T5876] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 88.489838][ T5876] block_read_full_folio+0x599/0x830 [ 88.495624][ T5876] filemap_read_folio+0x114/0x380 [ 88.501169][ T5876] do_read_cache_folio+0x350/0x590 [ 88.506918][ T5876] read_part_sector+0xb6/0x2b0 [ 88.512196][ T5876] adfspart_check_ICS+0xa4/0xa50 [ 88.517645][ T5876] bdev_disk_changed+0x75f/0x14b0 [ 88.523189][ T5876] blkdev_get_whole+0x380/0x510 [ 88.528547][ T5876] bdev_open+0x31e/0xd30 [ 88.533323][ T5876] blkdev_open+0x3a8/0x510 [ 88.538244][ T5876] do_dentry_open+0x950/0x13f0 [ 88.543508][ T5876] vfs_open+0x3b/0x340 [ 88.548074][ T5876] path_openat+0x2ee5/0x3830 [ 88.553169][ T5876] do_filp_open+0x1fa/0x410 [ 88.558177][ T5876] do_sys_openat2+0x121/0x1c0 [ 88.563354][ T5876] __x64_sys_openat+0x138/0x170 [ 88.568707][ T5876] do_syscall_64+0xfa/0x3b0 [ 88.573713][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.580107][ T5876] [ 88.580107][ T5876] -> #4 (set->srcu){.+.+}-{0:0}: [ 88.587213][ T5876] lock_sync+0xba/0x160 [ 88.591873][ T5876] __synchronize_srcu+0x96/0x3a0 [ 88.597334][ T5876] elevator_switch+0x12b/0x640 [ 88.602603][ T5876] elevator_change+0x2d4/0x450 [ 88.607869][ T5876] elevator_set_default+0x186/0x260 [ 88.613583][ T5876] blk_register_queue+0x34e/0x3f0 [ 88.619132][ T5876] __add_disk+0x677/0xd50 [ 88.623959][ T5876] add_disk_fwnode+0xfc/0x480 [ 88.629137][ T5876] nbd_dev_add+0x717/0xae0 [ 88.634064][ T5876] nbd_init+0x168/0x1f0 [ 88.638728][ T5876] do_one_initcall+0x233/0x820 [ 88.643994][ T5876] do_initcall_level+0x104/0x190 [ 88.649433][ T5876] do_initcalls+0x59/0xa0 [ 88.654265][ T5876] kernel_init_freeable+0x334/0x4b0 [ 88.659973][ T5876] kernel_init+0x1d/0x1d0 [ 88.664804][ T5876] ret_from_fork+0x3f9/0x770 [ 88.669921][ T5876] ret_from_fork_asm+0x1a/0x30 [ 88.675190][ T5876] [ 88.675190][ T5876] -> #3 (&q->elevator_lock){+.+.}-{4:4}: [ 88.682990][ T5876] lock_acquire+0x120/0x360 [ 88.688000][ T5876] __mutex_lock+0x187/0x1350 [ 88.693101][ T5876] elevator_change+0x19b/0x450 [ 88.698371][ T5876] elevator_set_none+0x42/0xb0 [ 88.703640][ T5876] blk_mq_update_nr_hw_queues+0x598/0x1aa0 [ 88.709960][ T5876] nbd_start_device+0x17f/0xb10 [ 88.715319][ T5876] nbd_genl_connect+0x135b/0x18f0 [ 88.720848][ T5876] genl_family_rcv_msg_doit+0x212/0x300 [ 88.726898][ T5876] genl_rcv_msg+0x60e/0x790 [ 88.731920][ T5876] netlink_rcv_skb+0x208/0x470 [ 88.737188][ T5876] genl_rcv+0x28/0x40 [ 88.741672][ T5876] netlink_unicast+0x82f/0x9e0 [ 88.747203][ T5876] netlink_sendmsg+0x805/0xb30 [ 88.752467][ T5876] __sock_sendmsg+0x219/0x270 [ 88.757652][ T5876] ____sys_sendmsg+0x505/0x830 [ 88.762934][ T5876] ___sys_sendmsg+0x21f/0x2a0 [ 88.768129][ T5876] __x64_sys_sendmsg+0x19b/0x260 [ 88.773583][ T5876] do_syscall_64+0xfa/0x3b0 [ 88.778595][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.784999][ T5876] [ 88.784999][ T5876] -> #2 (&q->q_usage_counter(io)#49){++++}-{0:0}: [ 88.793597][ T5876] lock_acquire+0x120/0x360 [ 88.798613][ T5876] blk_alloc_queue+0x538/0x620 [ 88.803883][ T5876] __blk_mq_alloc_disk+0x15c/0x340 [ 88.809583][ T5876] nbd_dev_add+0x46c/0xae0 [ 88.814639][ T5876] nbd_init+0x168/0x1f0 [ 88.819298][ T5876] do_one_initcall+0x233/0x820 [ 88.824570][ T5876] do_initcall_level+0x104/0x190 [ 88.830018][ T5876] do_initcalls+0x59/0xa0 [ 88.834907][ T5876] kernel_init_freeable+0x334/0x4b0 [ 88.840608][ T5876] kernel_init+0x1d/0x1d0 [ 88.845439][ T5876] ret_from_fork+0x3f9/0x770 [ 88.850554][ T5876] ret_from_fork_asm+0x1a/0x30 [ 88.855824][ T5876] [ 88.855824][ T5876] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 88.863074][ T5876] lock_acquire+0x120/0x360 [ 88.868087][ T5876] fs_reclaim_acquire+0x72/0x100 [ 88.873540][ T5876] kmem_cache_alloc_node_noprof+0x47/0x3c0 [ 88.879919][ T5876] __alloc_skb+0x112/0x2d0 [ 88.884847][ T5876] __ip6_append_data+0x2c16/0x3f30 [ 88.890469][ T5876] ip6_append_data+0x1c4/0x380 [ 88.895744][ T5876] rawv6_sendmsg+0x127a/0x1820 [ 88.901012][ T5876] __sock_sendmsg+0x19c/0x270 [ 88.906201][ T5876] ____sys_sendmsg+0x505/0x830 [ 88.911464][ T5876] ___sys_sendmsg+0x21f/0x2a0 [ 88.916747][ T5876] __x64_sys_sendmsg+0x19b/0x260 [ 88.922183][ T5876] do_syscall_64+0xfa/0x3b0 [ 88.927187][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.933583][ T5876] [ 88.933583][ T5876] -> #0 (sk_lock-AF_INET6){+.+.}-{0:0}: [ 88.941302][ T5876] validate_chain+0xb9b/0x2140 [ 88.946593][ T5876] __lock_acquire+0xab9/0xd20 [ 88.951776][ T5876] lock_acquire+0x120/0x360 [ 88.956782][ T5876] lock_sock_nested+0x48/0x100 [ 88.962053][ T5876] inet_shutdown+0x6a/0x390 [ 88.967177][ T5876] nbd_mark_nsock_dead+0x2e9/0x560 [ 88.972803][ T5876] nbd_send_cmd+0x11ec/0x1ba0 [ 88.977992][ T5876] nbd_queue_rq+0xcdb/0xf10 [ 88.982997][ T5876] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 88.989045][ T5876] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 88.996310][ T5876] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 89.002790][ T5876] blk_mq_run_hw_queue+0x348/0x4f0 [ 89.008404][ T5876] blk_mq_dispatch_list+0xd0c/0xe00 [ 89.014105][ T5876] blk_mq_flush_plug_list+0x469/0x550 [ 89.019990][ T5876] __blk_flush_plug+0x3d3/0x4b0 [ 89.025345][ T5876] __submit_bio+0x2d3/0x5a0 [ 89.030350][ T5876] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 89.036492][ T5876] block_read_full_folio+0x599/0x830 [ 89.042280][ T5876] filemap_read_folio+0x114/0x380 [ 89.047807][ T5876] do_read_cache_folio+0x350/0x590 [ 89.053416][ T5876] read_part_sector+0xb6/0x2b0 [ 89.058684][ T5876] adfspart_check_ICS+0xa4/0xa50 [ 89.064126][ T5876] bdev_disk_changed+0x75f/0x14b0 [ 89.069742][ T5876] blkdev_get_whole+0x380/0x510 [ 89.075099][ T5876] bdev_open+0x31e/0xd30 [ 89.079845][ T5876] blkdev_open+0x3a8/0x510 [ 89.084779][ T5876] do_dentry_open+0x950/0x13f0 [ 89.090409][ T5876] vfs_open+0x3b/0x340 [ 89.094992][ T5876] path_openat+0x2ee5/0x3830 [ 89.100178][ T5876] do_filp_open+0x1fa/0x410 [ 89.105184][ T5876] do_sys_openat2+0x121/0x1c0 [ 89.110362][ T5876] __x64_sys_openat+0x138/0x170 [ 89.115716][ T5876] do_syscall_64+0xfa/0x3b0 [ 89.120720][ T5876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.127202][ T5876] [ 89.127202][ T5876] other info that might help us debug this: [ 89.127202][ T5876] [ 89.137450][ T5876] Chain exists of: [ 89.137450][ T5876] sk_lock-AF_INET6 --> &cmd->lock --> &nsock->tx_lock [ 89.137450][ T5876] [ 89.150210][ T5876] Possible unsafe locking scenario: [ 89.150210][ T5876] [ 89.157642][ T5876] CPU0 CPU1 [ 89.162992][ T5876] ---- ---- [ 89.168340][ T5876] lock(&nsock->tx_lock); [ 89.172744][ T5876] lock(&cmd->lock); [ 89.179225][ T5876] lock(&nsock->tx_lock); [ 89.186145][ T5876] lock(sk_lock-AF_INET6); [ 89.190633][ T5876] [ 89.190633][ T5876] *** DEADLOCK *** [ 89.190633][ T5876] [ 89.198763][ T5876] 4 locks held by udevd/5876: [ 89.203430][ T5876] #0: ffff8880251e4358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 89.212750][ T5876] #1: ffff888025137e10 (set->srcu){.+.+}-{0:0}, at: blk_mq_run_hw_queue+0x31f/0x4f0 [ 89.222237][ T5876] #2: ffff88802ef9e178 (&cmd->lock){+.+.}-{4:4}, at: nbd_queue_rq+0xc8/0xf10 [ 89.231118][ T5876] #3: ffff888074f76c70 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0xa66/0xf10 [ 89.240593][ T5876] [ 89.240593][ T5876] stack backtrace: [ 89.246481][ T5876] CPU: 0 UID: 0 PID: 5876 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 89.246496][ T5876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 89.246510][ T5876] Call Trace: [ 89.246517][ T5876] [ 89.246523][ T5876] dump_stack_lvl+0x189/0x250 [ 89.246541][ T5876] ? __pfx_dump_stack_lvl+0x10/0x10 [ 89.246555][ T5876] ? __pfx__printk+0x10/0x10 [ 89.246572][ T5876] ? print_lock_name+0xde/0x100 [ 89.246589][ T5876] print_circular_bug+0x2ee/0x310 [ 89.246604][ T5876] check_noncircular+0x134/0x160 [ 89.246619][ T5876] validate_chain+0xb9b/0x2140 [ 89.246631][ T5876] ? preempt_schedule_notrace_thunk+0x16/0x30 [ 89.246645][ T5876] ? look_up_lock_class+0x74/0x170 [ 89.246680][ T5876] ? register_lock_class+0x51/0x320 [ 89.246698][ T5876] __lock_acquire+0xab9/0xd20 [ 89.246716][ T5876] ? inet_shutdown+0x6a/0x390 [ 89.246730][ T5876] lock_acquire+0x120/0x360 [ 89.246746][ T5876] ? inet_shutdown+0x6a/0x390 [ 89.246762][ T5876] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 89.246779][ T5876] ? __pfx_queue_work_on+0x10/0x10 [ 89.246792][ T5876] lock_sock_nested+0x48/0x100 [ 89.246808][ T5876] ? inet_shutdown+0x6a/0x390 [ 89.246823][ T5876] inet_shutdown+0x6a/0x390 [ 89.246838][ T5876] nbd_mark_nsock_dead+0x2e9/0x560 [ 89.246852][ T5876] nbd_send_cmd+0x11ec/0x1ba0 [ 89.246865][ T5876] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 89.246882][ T5876] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 89.246898][ T5876] ? __pfx_nbd_send_cmd+0x10/0x10 [ 89.246910][ T5876] ? __mod_timer+0xb37/0xf30 [ 89.246925][ T5876] ? wbt_issue+0xe0/0x180 [ 89.246942][ T5876] ? blk_mq_start_request+0x4a8/0x8a0 [ 89.246958][ T5876] nbd_queue_rq+0xcdb/0xf10 [ 89.246978][ T5876] ? __pfx_nbd_queue_rq+0x10/0x10 [ 89.246999][ T5876] blk_mq_dispatch_rq_list+0x4c0/0x1900 [ 89.247016][ T5876] ? sbitmap_find_bit+0x47f/0x520 [ 89.247035][ T5876] ? __pfx_blk_mq_dispatch_rq_list+0x10/0x10 [ 89.247051][ T5876] ? __blk_mq_alloc_driver_tag+0x2e7/0x6e0 [ 89.247069][ T5876] __blk_mq_sched_dispatch_requests+0xda4/0x1570 [ 89.247092][ T5876] ? __pfx___blk_mq_sched_dispatch_requests+0x10/0x10 [ 89.247112][ T5876] ? blk_mq_run_hw_queue+0x31f/0x4f0 [ 89.247129][ T5876] blk_mq_sched_dispatch_requests+0xd7/0x190 [ 89.247146][ T5876] ? blk_mq_run_hw_queue+0x31f/0x4f0 [ 89.247160][ T5876] blk_mq_run_hw_queue+0x348/0x4f0 [ 89.247176][ T5876] blk_mq_dispatch_list+0xd0c/0xe00 [ 89.247192][ T5876] ? bdev_count_inflight+0x1cf/0x210 [ 89.247204][ T5876] ? blk_mq_dispatch_list+0x250/0xe00 [ 89.247222][ T5876] ? __pfx_blk_mq_dispatch_list+0x10/0x10 [ 89.247240][ T5876] ? rcu_is_watching+0x15/0xb0 [ 89.247252][ T5876] blk_mq_flush_plug_list+0x469/0x550 [ 89.247270][ T5876] ? blk_add_rq_to_plug+0x300/0x450 [ 89.247287][ T5876] ? blk_mq_submit_bio+0x1912/0x2440 [ 89.247303][ T5876] ? __pfx_blk_mq_flush_plug_list+0x10/0x10 [ 89.247323][ T5876] __blk_flush_plug+0x3d3/0x4b0 [ 89.247342][ T5876] ? __pfx___blk_flush_plug+0x10/0x10 [ 89.247361][ T5876] __submit_bio+0x2d3/0x5a0 [ 89.247372][ T5876] ? ktime_get+0x3e/0x1f0 [ 89.247384][ T5876] ? seqcount_lockdep_reader_access+0x175/0x1c0 [ 89.247398][ T5876] ? __pfx___submit_bio+0x10/0x10 [ 89.247409][ T5876] ? blk_cgroup_bio_start+0x59d/0x640 [ 89.247428][ T5876] ? bio_associate_blkg+0x6d/0x230 [ 89.247447][ T5876] submit_bio_noacct_nocheck+0x4ab/0xb50 [ 89.247463][ T5876] ? bio_associate_blkg+0x6d/0x230 [ 89.247480][ T5876] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 89.247498][ T5876] ? submit_bio_noacct+0xd6f/0x1a50 [ 89.247517][ T5876] block_read_full_folio+0x599/0x830 [ 89.247533][ T5876] ? __pfx_blkdev_get_block+0x10/0x10 [ 89.247546][ T5876] filemap_read_folio+0x114/0x380 [ 89.247559][ T5876] ? __pfx_blkdev_read_folio+0x10/0x10 [ 89.247571][ T5876] ? __pfx_filemap_read_folio+0x10/0x10 [ 89.247586][ T5876] do_read_cache_folio+0x350/0x590 [ 89.247600][ T5876] ? __pfx_blkdev_read_folio+0x10/0x10 [ 89.247612][ T5876] read_part_sector+0xb6/0x2b0 [ 89.247628][ T5876] adfspart_check_ICS+0xa4/0xa50 [ 89.247645][ T5876] ? snprintf+0xda/0x120 [ 89.247665][ T5876] ? __pfx_adfspart_check_ICS+0x10/0x10 [ 89.247684][ T5876]