Warning: Permanently added '10.128.1.136' (ED25519) to the list of known hosts. [ 97.028663][ T43] cfg80211: failed to load regulatory.db 2025/05/27 07:15:39 ignoring optional flag "sandboxArg"="0" 2025/05/27 07:15:40 parsed 1 programs [ 103.194006][ T5833] cgroup: Unknown subsys name 'net' [ 103.330733][ T5833] cgroup: Unknown subsys name 'cpuset' [ 103.339948][ T5833] cgroup: Unknown subsys name 'rlimit' [ 105.154973][ T5833] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 108.041619][ T5850] 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. [ 108.366147][ T5855] chnl_net:caif_netlink_parms(): no params data found [ 108.465764][ T5855] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.474145][ T5855] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.481464][ T5855] bridge_slave_0: entered allmulticast mode [ 108.489031][ T5855] bridge_slave_0: entered promiscuous mode [ 108.499427][ T5855] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.506659][ T5855] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.513801][ T5855] bridge_slave_1: entered allmulticast mode [ 108.521327][ T5855] bridge_slave_1: entered promiscuous mode [ 108.554806][ T5855] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.567491][ T5855] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.604227][ T5855] team0: Port device team_slave_0 added [ 108.613171][ T5855] team0: Port device team_slave_1 added [ 108.643525][ T5855] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.650568][ T5855] 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. [ 108.677268][ T5855] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.690693][ T5855] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.697715][ T5855] 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. [ 108.723789][ T5855] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.773881][ T5855] hsr_slave_0: entered promiscuous mode [ 108.780512][ T5855] hsr_slave_1: entered promiscuous mode [ 108.948802][ T5855] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 108.963955][ T5855] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.974998][ T5855] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.987948][ T5855] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 109.021040][ T5855] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.028448][ T5855] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.036452][ T5855] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.043601][ T5855] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.106176][ T5855] 8021q: adding VLAN 0 to HW filter on device bond0 [ 109.129614][ T61] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.139161][ T61] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.159177][ T5855] 8021q: adding VLAN 0 to HW filter on device team0 [ 109.173781][ T1145] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.180939][ T1145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.195882][ T61] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.203023][ T61] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.434699][ T5855] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.483688][ T5855] veth0_vlan: entered promiscuous mode [ 109.496222][ T5855] veth1_vlan: entered promiscuous mode [ 109.527933][ T5855] veth0_macvtap: entered promiscuous mode [ 109.538671][ T5855] veth1_macvtap: entered promiscuous mode [ 109.559719][ T5855] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 109.572040][ T5855] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 109.589958][ T5855] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.598982][ T5855] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.609146][ T5855] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.617990][ T5855] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.818926][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.902007][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.991358][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.064078][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 112.372759][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 112.381250][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 112.390581][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 112.399600][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 112.407515][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 112.684315][ T12] bridge_slave_1: left allmulticast mode [ 112.693985][ T12] bridge_slave_1: left promiscuous mode [ 112.702580][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.718040][ T12] bridge_slave_0: left allmulticast mode [ 112.724451][ T12] bridge_slave_0: left promiscuous mode [ 112.730832][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.065176][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 113.079119][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 113.091019][ T12] bond0 (unregistering): Released all slaves [ 113.251554][ T12] hsr_slave_0: left promiscuous mode [ 113.258705][ T12] hsr_slave_1: left promiscuous mode [ 113.264915][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 113.272704][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 113.282083][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 113.290039][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 113.313836][ T12] veth1_macvtap: left promiscuous mode [ 113.320553][ T12] veth0_macvtap: left promiscuous mode [ 113.326356][ T12] veth1_vlan: left promiscuous mode [ 113.331804][ T12] veth0_vlan: left promiscuous mode [ 113.639085][ T12] team0 (unregistering): Port device team_slave_1 removed [ 113.673404][ T12] team0 (unregistering): Port device team_slave_0 removed [ 113.956902][ T1145] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.964875][ T1145] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 114.015004][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 114.035504][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/05/27 07:15:58 executed programs: 0 [ 116.520583][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 116.529674][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 116.537512][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 116.548982][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 116.559181][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 116.974502][ T5984] chnl_net:caif_netlink_parms(): no params data found [ 117.104717][ T5984] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.112055][ T5984] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.119857][ T5984] bridge_slave_0: entered allmulticast mode [ 117.127336][ T5984] bridge_slave_0: entered promiscuous mode [ 117.138774][ T5984] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.146205][ T5984] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.153810][ T5984] bridge_slave_1: entered allmulticast mode [ 117.161811][ T5984] bridge_slave_1: entered promiscuous mode [ 117.199449][ T5984] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 117.211932][ T5984] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 117.250095][ T5984] team0: Port device team_slave_0 added [ 117.259796][ T5984] team0: Port device team_slave_1 added [ 117.295111][ T5984] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 117.302519][ T5984] 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. [ 117.328592][ T5984] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 117.343250][ T5984] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 117.350341][ T5984] 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. [ 117.377796][ T5984] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 117.432041][ T5984] hsr_slave_0: entered promiscuous mode [ 117.438620][ T5984] hsr_slave_1: entered promiscuous mode [ 118.088549][ T5984] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 118.104562][ T5984] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 118.118933][ T5984] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 118.131260][ T5984] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 118.245542][ T5984] 8021q: adding VLAN 0 to HW filter on device bond0 [ 118.273773][ T5984] 8021q: adding VLAN 0 to HW filter on device team0 [ 118.289502][ T1338] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.296710][ T1338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 118.312095][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.319292][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 118.627980][ T5149] Bluetooth: hci0: command tx timeout [ 118.649779][ T5984] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 118.719779][ T5984] veth0_vlan: entered promiscuous mode [ 118.742700][ T5984] veth1_vlan: entered promiscuous mode [ 118.791994][ T5984] veth0_macvtap: entered promiscuous mode [ 118.804552][ T5984] veth1_macvtap: entered promiscuous mode [ 118.832925][ T5984] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 118.854414][ T5984] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 118.870374][ T5984] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.881645][ T5984] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.892506][ T5984] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.902242][ T5984] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 119.021387][ T1145] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 119.046223][ T1145] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 119.089568][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 119.103842][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 119.303132][ T6038] [ 119.305524][ T6038] ====================================================== [ 119.312572][ T6038] WARNING: possible circular locking dependency detected [ 119.319641][ T6038] 6.15.0-syzkaller-01958-g785cdec46e92 #0 Not tainted [ 119.326434][ T6038] ------------------------------------------------------ [ 119.333468][ T6038] syz.0.16/6038 is trying to acquire lock: [ 119.339282][ T6038] ffff888026517b40 (&q->elevator_lock){+.+.}-{4:4}, at: elevator_change+0x103/0x400 [ 119.348750][ T6038] [ 119.348750][ T6038] but task is already holding lock: [ 119.356144][ T6038] ffff888026517608 (&q->q_usage_counter(io)#55){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 119.367410][ T6038] [ 119.367410][ T6038] which lock already depends on the new lock. [ 119.367410][ T6038] [ 119.377830][ T6038] [ 119.377830][ T6038] the existing dependency chain (in reverse order) is: [ 119.386861][ T6038] [ 119.386861][ T6038] -> #3 (&q->q_usage_counter(io)#55){++++}-{0:0}: [ 119.395488][ T6038] blk_alloc_queue+0x619/0x760 [ 119.400884][ T6038] blk_mq_alloc_queue+0x175/0x290 [ 119.406447][ T6038] __blk_mq_alloc_disk+0x29/0x120 [ 119.412007][ T6038] nbd_dev_add+0x4a0/0xbc0 [ 119.416973][ T6038] nbd_init+0x181/0x320 [ 119.421682][ T6038] do_one_initcall+0x120/0x6e0 [ 119.427067][ T6038] kernel_init_freeable+0x5c2/0x900 [ 119.432811][ T6038] kernel_init+0x1c/0x2b0 [ 119.437675][ T6038] ret_from_fork+0x48/0x80 [ 119.442632][ T6038] ret_from_fork_asm+0x1a/0x30 [ 119.447943][ T6038] [ 119.447943][ T6038] -> #2 (fs_reclaim){+.+.}-{0:0}: [ 119.455188][ T6038] fs_reclaim_acquire+0x102/0x150 [ 119.460793][ T6038] prepare_alloc_pages+0x162/0x610 [ 119.466453][ T6038] __alloc_frozen_pages_noprof+0x18b/0x23f0 [ 119.472884][ T6038] __alloc_pages_noprof+0xb/0x1b0 [ 119.478447][ T6038] pcpu_populate_chunk+0x110/0xb00 [ 119.484092][ T6038] pcpu_alloc_noprof+0x86a/0x1470 [ 119.489656][ T6038] xt_percpu_counter_alloc+0x13e/0x1b0 [ 119.495661][ T6038] find_check_entry.constprop.0+0xbf/0xa20 [ 119.502008][ T6038] translate_table+0xd0b/0x17b0 [ 119.507407][ T6038] ip6t_register_table+0x102/0x430 [ 119.513079][ T6038] ip6table_nat_table_init+0x4b/0x250 [ 119.518998][ T6038] xt_find_table_lock+0x2e1/0x520 [ 119.524572][ T6038] xt_request_find_table_lock+0x28/0xf0 [ 119.530661][ T6038] get_info+0x190/0x620 [ 119.535352][ T6038] do_ip6t_get_ctl+0x169/0xa50 [ 119.540664][ T6038] nf_getsockopt+0x7c/0xe0 [ 119.545642][ T6038] ipv6_getsockopt+0x1f7/0x280 [ 119.550946][ T6038] tcp_getsockopt+0x9e/0x100 [ 119.556067][ T6038] do_sock_getsockopt+0x3ff/0x800 [ 119.561642][ T6038] __sys_getsockopt+0x123/0x1b0 [ 119.567055][ T6038] __x64_sys_getsockopt+0xbd/0x160 [ 119.572709][ T6038] do_syscall_64+0xcd/0x230 [ 119.577856][ T6038] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 119.584295][ T6038] [ 119.584295][ T6038] -> #1 (pcpu_alloc_mutex){+.+.}-{4:4}: [ 119.592066][ T6038] __mutex_lock+0x199/0xb90 [ 119.597121][ T6038] pcpu_alloc_noprof+0xb4a/0x1470 [ 119.602772][ T6038] sbitmap_init_node+0x2fd/0x770 [ 119.608252][ T6038] sbitmap_queue_init_node+0x41/0x560 [ 119.614170][ T6038] blk_mq_init_tags+0x12d/0x2b0 [ 119.619575][ T6038] blk_mq_alloc_map_and_rqs+0x237/0xf60 [ 119.625678][ T6038] blk_mq_init_sched+0x30c/0x610 [ 119.631181][ T6038] elevator_switch+0x1e1/0x7f0 [ 119.636493][ T6038] elevator_change+0x2ac/0x400 [ 119.641806][ T6038] elevator_set_default+0x292/0x320 [ 119.647564][ T6038] blk_register_queue+0x393/0x4f0 [ 119.653221][ T6038] __add_disk+0x74a/0xf00 [ 119.658080][ T6038] add_disk_fwnode+0x13f/0x5d0 [ 119.663371][ T6038] nbd_dev_add+0x791/0xbc0 [ 119.668329][ T6038] nbd_init+0x181/0x320 [ 119.673025][ T6038] do_one_initcall+0x120/0x6e0 [ 119.678325][ T6038] kernel_init_freeable+0x5c2/0x900 [ 119.684066][ T6038] kernel_init+0x1c/0x2b0 [ 119.688933][ T6038] ret_from_fork+0x48/0x80 [ 119.693911][ T6038] ret_from_fork_asm+0x1a/0x30 [ 119.699211][ T6038] [ 119.699211][ T6038] -> #0 (&q->elevator_lock){+.+.}-{4:4}: [ 119.707063][ T6038] __lock_acquire+0x126f/0x1c90 [ 119.712462][ T6038] lock_acquire+0x179/0x350 [ 119.717551][ T6038] __mutex_lock+0x199/0xb90 [ 119.722619][ T6038] elevator_change+0x103/0x400 [ 119.727935][ T6038] elv_iosched_store+0x2eb/0x3a0 [ 119.733426][ T6038] queue_attr_store+0x276/0x320 [ 119.738820][ T6038] sysfs_kf_write+0xf2/0x150 [ 119.743966][ T6038] kernfs_fop_write_iter+0x354/0x510 [ 119.749818][ T6038] iter_file_splice_write+0x91c/0x1150 [ 119.755836][ T6038] direct_splice_actor+0x18f/0x6c0 [ 119.761547][ T6038] splice_direct_to_actor+0x342/0xa30 [ 119.767510][ T6038] do_splice_direct+0x174/0x240 [ 119.772920][ T6038] do_sendfile+0xb06/0xe50 [ 119.777906][ T6038] __x64_sys_sendfile64+0x1d8/0x220 [ 119.783656][ T6038] do_syscall_64+0xcd/0x230 [ 119.788725][ T6038] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 119.795164][ T6038] [ 119.795164][ T6038] other info that might help us debug this: [ 119.795164][ T6038] [ 119.805402][ T6038] Chain exists of: [ 119.805402][ T6038] &q->elevator_lock --> fs_reclaim --> &q->q_usage_counter(io)#55 [ 119.805402][ T6038] [ 119.819187][ T6038] Possible unsafe locking scenario: [ 119.819187][ T6038] [ 119.826645][ T6038] CPU0 CPU1 [ 119.832016][ T6038] ---- ---- [ 119.837385][ T6038] lock(&q->q_usage_counter(io)#55); [ 119.842784][ T6038] lock(fs_reclaim); [ 119.849300][ T6038] lock(&q->q_usage_counter(io)#55); [ 119.857222][ T6038] lock(&q->elevator_lock); [ 119.861831][ T6038] [ 119.861831][ T6038] *** DEADLOCK *** [ 119.861831][ T6038] [ 119.869983][ T6038] 6 locks held by syz.0.16/6038: [ 119.874930][ T6038] #0: ffff888036c62428 (sb_writers#7){.+.+}-{0:0}, at: splice_direct_to_actor+0x342/0xa30 [ 119.885022][ T6038] #1: ffff888034503888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 [ 119.894824][ T6038] #2: ffff8880268c6a58 (kn->active#60){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 [ 119.904903][ T6038] #3: ffff8880267e8988 (&set->update_nr_hwq_lock){.+.+}-{4:4}, at: elv_iosched_store+0x337/0x3a0 [ 119.915575][ T6038] #4: ffff888026517608 (&q->q_usage_counter(io)#55){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 119.927293][ T6038] #5: ffff888026517640 (&q->q_usage_counter(queue)#7){+.+.}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 119.939279][ T6038] [ 119.939279][ T6038] stack backtrace: [ 119.945196][ T6038] CPU: 0 UID: 0 PID: 6038 Comm: syz.0.16 Not tainted 6.15.0-syzkaller-01958-g785cdec46e92 #0 PREEMPT(full) [ 119.945229][ T6038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 119.945255][ T6038] Call Trace: [ 119.945264][ T6038] [ 119.945274][ T6038] dump_stack_lvl+0x116/0x1f0 [ 119.945317][ T6038] print_circular_bug+0x275/0x350 [ 119.945346][ T6038] check_noncircular+0x14c/0x170 [ 119.945377][ T6038] __lock_acquire+0x126f/0x1c90 [ 119.945411][ T6038] lock_acquire+0x179/0x350 [ 119.945439][ T6038] ? elevator_change+0x103/0x400 [ 119.945477][ T6038] ? __pfx___might_resched+0x10/0x10 [ 119.945503][ T6038] __mutex_lock+0x199/0xb90 [ 119.945540][ T6038] ? elevator_change+0x103/0x400 [ 119.945578][ T6038] ? elevator_change+0x103/0x400 [ 119.945614][ T6038] ? __pfx___mutex_lock+0x10/0x10 [ 119.945656][ T6038] ? blk_mq_cancel_work_sync+0xd8/0x110 [ 119.945683][ T6038] ? __pfx_blk_mq_cancel_work_sync+0x10/0x10 [ 119.945712][ T6038] ? elevator_change+0x103/0x400 [ 119.945747][ T6038] elevator_change+0x103/0x400 [ 119.945785][ T6038] elv_iosched_store+0x2eb/0x3a0 [ 119.945824][ T6038] ? __pfx_elv_iosched_store+0x10/0x10 [ 119.945865][ T6038] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 119.945894][ T6038] ? __mutex_trylock_common+0xe9/0x250 [ 119.945925][ T6038] ? __pfx_elv_iosched_store+0x10/0x10 [ 119.945964][ T6038] queue_attr_store+0x276/0x320 [ 119.945993][ T6038] ? __pfx_queue_attr_store+0x10/0x10 [ 119.946020][ T6038] ? __lock_acquire+0x622/0x1c90 [ 119.946055][ T6038] ? find_held_lock+0x2b/0x80 [ 119.946099][ T6038] ? sysfs_file_kobj+0xe4/0x290 [ 119.946140][ T6038] ? __pfx_queue_attr_store+0x10/0x10 [ 119.946167][ T6038] sysfs_kf_write+0xf2/0x150 [ 119.946207][ T6038] kernfs_fop_write_iter+0x354/0x510 [ 119.946242][ T6038] ? __pfx_sysfs_kf_write+0x10/0x10 [ 119.946288][ T6038] iter_file_splice_write+0x91c/0x1150 [ 119.946342][ T6038] ? __pfx_iter_file_splice_write+0x10/0x10 [ 119.946388][ T6038] ? __pfx_copy_splice_read+0x10/0x10 [ 119.946435][ T6038] ? __pfx_iter_file_splice_write+0x10/0x10 [ 119.946479][ T6038] direct_splice_actor+0x18f/0x6c0 [ 119.946522][ T6038] splice_direct_to_actor+0x342/0xa30 [ 119.946563][ T6038] ? __pfx_direct_splice_actor+0x10/0x10 [ 119.946607][ T6038] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 119.946649][ T6038] ? futex_hash+0x132/0x3e0 [ 119.946691][ T6038] do_splice_direct+0x174/0x240 [ 119.946731][ T6038] ? __pfx_do_splice_direct+0x10/0x10 [ 119.946771][ T6038] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 119.946813][ T6038] ? rw_verify_area+0xcf/0x680 [ 119.946854][ T6038] do_sendfile+0xb06/0xe50 [ 119.946879][ T6038] ? __pfx_do_sendfile+0x10/0x10 [ 119.946904][ T6038] ? __x64_sys_futex+0x1e0/0x4c0 [ 119.946929][ T6038] ? __x64_sys_futex+0x1e9/0x4c0 [ 119.946956][ T6038] __x64_sys_sendfile64+0x1d8/0x220 [ 119.946987][ T6038] ? __pfx___x64_sys_sendfile64+0x10/0x10 [ 119.947024][ T6038] do_syscall_64+0xcd/0x230 [ 119.947063][ T6038] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 119.947095][ T6038] RIP: 0033:0x7f9a32d8e969 [ 119.947120][ T6038] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 119.947144][ T6038] RSP: 002b:00007ffce11c4968 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 119.947168][ T6038] RAX: ffffffffffffffda RBX: 00007f9a32fb5fa0 RCX: 00007f9a32d8e969 [ 119.947185][ T6038] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003 [ 119.947201][ T6038] RBP: 00007f9a32e10ab1 R08: 0000000000000000 R09: 0000000000000000 [ 119.947216][ T6038] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 119.947232][ T6038] R13: 00007f9a32fb5fa0 R14: 00007f9a32fb5fa0 R15: 0000000000000004 [ 119.947256][ T6038]