Warning: Permanently added '10.128.0.162' (ED25519) to the list of known hosts. [ 92.817805][ T5823] cgroup: Unknown subsys name 'net' [ 93.008303][ T5823] cgroup: Unknown subsys name 'cpuset' [ 93.017007][ T5823] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 94.807645][ T5823] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 95.290196][ T5831] chnl_net:caif_netlink_parms(): no params data found [ 95.335555][ T5832] chnl_net:caif_netlink_parms(): no params data found [ 95.400687][ T5834] chnl_net:caif_netlink_parms(): no params data found [ 95.417825][ T5833] chnl_net:caif_netlink_parms(): no params data found [ 95.580310][ T5831] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.589815][ T5831] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.597333][ T5831] bridge_slave_0: entered allmulticast mode [ 95.606149][ T5831] bridge_slave_0: entered promiscuous mode [ 95.650760][ T5831] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.658169][ T5831] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.665540][ T5831] bridge_slave_1: entered allmulticast mode [ 95.672562][ T5831] bridge_slave_1: entered promiscuous mode [ 95.687444][ T5832] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.694872][ T5832] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.702009][ T5832] bridge_slave_0: entered allmulticast mode [ 95.709370][ T5832] bridge_slave_0: entered promiscuous mode [ 95.748735][ T5832] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.756274][ T5832] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.763746][ T5832] bridge_slave_1: entered allmulticast mode [ 95.770851][ T5832] bridge_slave_1: entered promiscuous mode [ 95.851167][ T5833] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.859357][ T5833] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.866724][ T5833] bridge_slave_0: entered allmulticast mode [ 95.874235][ T5833] bridge_slave_0: entered promiscuous mode [ 95.885145][ T5831] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.898482][ T5831] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.907772][ T5834] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.915190][ T5834] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.922380][ T5834] bridge_slave_0: entered allmulticast mode [ 95.929670][ T5834] bridge_slave_0: entered promiscuous mode [ 95.939923][ T5832] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.953863][ T5832] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.963175][ T5833] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.970879][ T5833] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.978207][ T5833] bridge_slave_1: entered allmulticast mode [ 95.986416][ T5833] bridge_slave_1: entered promiscuous mode [ 96.003217][ T5834] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.010485][ T5834] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.018044][ T5834] bridge_slave_1: entered allmulticast mode [ 96.025149][ T5834] bridge_slave_1: entered promiscuous mode [ 96.110027][ T5832] team0: Port device team_slave_0 added [ 96.132476][ T5831] team0: Port device team_slave_0 added [ 96.166876][ T5834] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.179149][ T5832] team0: Port device team_slave_1 added [ 96.187932][ T5833] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.200343][ T5831] team0: Port device team_slave_1 added [ 96.208863][ T5834] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.231730][ T5833] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.332081][ T5834] team0: Port device team_slave_0 added [ 96.339032][ T5832] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.348255][ T5832] 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. [ 96.375003][ T5832] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.389143][ T5833] team0: Port device team_slave_0 added [ 96.399142][ T5833] team0: Port device team_slave_1 added [ 96.406374][ T5831] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.413332][ T5831] 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. [ 96.439905][ T5831] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.458343][ T5834] team0: Port device team_slave_1 added [ 96.465050][ T5832] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.472014][ T5832] 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. [ 96.498424][ T5832] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.531766][ T5831] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.539418][ T5831] 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. [ 96.565843][ T5831] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.602647][ T5834] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.609712][ T5834] 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. [ 96.636198][ T5834] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.669475][ T5834] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.676490][ T5834] 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. [ 96.703064][ T5834] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.714816][ T5833] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.721788][ T5833] 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. [ 96.749976][ T5833] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.796683][ T5833] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.804005][ T5833] 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. [ 96.830427][ T5833] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.861655][ T5832] hsr_slave_0: entered promiscuous mode [ 96.868161][ T5832] hsr_slave_1: entered promiscuous mode [ 96.903448][ T5831] hsr_slave_0: entered promiscuous mode [ 96.910830][ T5831] hsr_slave_1: entered promiscuous mode [ 96.917266][ T5831] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 96.925329][ T5831] Cannot create hsr debugfs directory [ 97.002760][ T5834] hsr_slave_0: entered promiscuous mode [ 97.016569][ T5834] hsr_slave_1: entered promiscuous mode [ 97.022613][ T5834] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 97.031840][ T5834] Cannot create hsr debugfs directory [ 97.135416][ T5833] hsr_slave_0: entered promiscuous mode [ 97.141756][ T5833] hsr_slave_1: entered promiscuous mode [ 97.148106][ T5833] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 97.155774][ T5833] Cannot create hsr debugfs directory [ 97.328255][ T1225] cfg80211: failed to load regulatory.db [ 97.585842][ T5834] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 97.599740][ T5834] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 97.619616][ T5834] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 97.638557][ T5834] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 97.677011][ T5832] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 97.696516][ T5832] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 97.710831][ T5832] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 97.735149][ T5832] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 97.836657][ T5831] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.886367][ T5831] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.899924][ T5831] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.912196][ T5831] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.990557][ T5833] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 98.026320][ T5833] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 98.039788][ T5833] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 98.063446][ T5834] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.072177][ T5833] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 98.107727][ T5832] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.171739][ T5834] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.197231][ T5832] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.217038][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.224359][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.251534][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.258787][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.282236][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.289490][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.316280][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.323419][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.392859][ T5831] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.468245][ T5831] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.499853][ T5833] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.511592][ T2988] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.518800][ T2988] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.563658][ T3449] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.570845][ T3449] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.598162][ T5833] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.616858][ T2988] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.624061][ T2988] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.648397][ T2988] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.655680][ T2988] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.678190][ T5834] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.700360][ T5832] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.837071][ T5831] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.906523][ T5834] veth0_vlan: entered promiscuous mode [ 98.921931][ T5832] veth0_vlan: entered promiscuous mode [ 98.936444][ T5834] veth1_vlan: entered promiscuous mode [ 98.956678][ T5832] veth1_vlan: entered promiscuous mode [ 99.003240][ T5833] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.018382][ T5831] veth0_vlan: entered promiscuous mode [ 99.057993][ T5831] veth1_vlan: entered promiscuous mode [ 99.095501][ T5834] veth0_macvtap: entered promiscuous mode [ 99.120836][ T5832] veth0_macvtap: entered promiscuous mode [ 99.132183][ T5834] veth1_macvtap: entered promiscuous mode [ 99.147792][ T5832] veth1_macvtap: entered promiscuous mode [ 99.181712][ T5833] veth0_vlan: entered promiscuous mode [ 99.205751][ T5834] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.220335][ T5833] veth1_vlan: entered promiscuous mode [ 99.231591][ T5831] veth0_macvtap: entered promiscuous mode [ 99.247384][ T5834] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.259623][ T5834] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.269818][ T5834] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.278773][ T5834] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.287591][ T5834] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.306207][ T5831] veth1_macvtap: entered promiscuous mode [ 99.317110][ T5832] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.357900][ T5832] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.376493][ T5831] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.397782][ T5832] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.408435][ T5832] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.417991][ T5832] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.427829][ T5832] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.456658][ T5831] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.471233][ T5831] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.480521][ T5831] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.491843][ T5831] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.500635][ T5831] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.621673][ T5833] veth0_macvtap: entered promiscuous mode [ 99.639741][ T5832] 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. [ 99.639741][ T5834] 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. [ 99.649738][ T5833] veth1_macvtap: entered promiscuous mode executing program [ 99.750594][ T5833] batman_adv: batadv0: Interface activated: batadv_slave_0 executing program [ 99.801878][ T5833] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.841057][ T5833] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 99.864638][ T5833] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.873443][ T5833] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.904524][ T5833] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 99.956400][ T5865] [ 99.958787][ T5865] ====================================================== [ 99.965845][ T5865] WARNING: possible circular locking dependency detected [ 99.972891][ T5865] 6.15.0-syzkaller-01958-g785cdec46e92 #0 Not tainted [ 99.979688][ T5865] ------------------------------------------------------ [ 99.986738][ T5865] syz-executor347/5865 is trying to acquire lock: [ 99.993181][ T5865] ffff888142f38fa8 (&q->elevator_lock){+.+.}-{4:4}, at: elevator_change+0x103/0x400 [ 100.002675][ T5865] [ 100.002675][ T5865] but task is already holding lock: [ 100.010070][ T5865] ffff888142f38a70 (&q->q_usage_counter(io)#55){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 100.021374][ T5865] [ 100.021374][ T5865] which lock already depends on the new lock. [ 100.021374][ T5865] [ 100.031782][ T5865] [ 100.031782][ T5865] the existing dependency chain (in reverse order) is: [ 100.040809][ T5865] [ 100.040809][ T5865] -> #3 (&q->q_usage_counter(io)#55){++++}-{0:0}: [ 100.049440][ T5865] blk_alloc_queue+0x619/0x760 [ 100.054751][ T5865] blk_mq_alloc_queue+0x175/0x290 [ 100.061090][ T5865] __blk_mq_alloc_disk+0x29/0x120 [ 100.066646][ T5865] nbd_dev_add+0x4a0/0xbc0 [ 100.071605][ T5865] nbd_init+0x181/0x320 [ 100.076317][ T5865] do_one_initcall+0x120/0x6e0 [ 100.081633][ T5865] kernel_init_freeable+0x5c2/0x900 [ 100.087381][ T5865] kernel_init+0x1c/0x2b0 [ 100.092259][ T5865] ret_from_fork+0x48/0x80 [ 100.097218][ T5865] ret_from_fork_asm+0x1a/0x30 [ 100.102519][ T5865] [ 100.102519][ T5865] -> #2 (fs_reclaim){+.+.}-{0:0}: [ 100.109784][ T5865] fs_reclaim_acquire+0x102/0x150 [ 100.115357][ T5865] prepare_alloc_pages+0x162/0x610 [ 100.121008][ T5865] __alloc_frozen_pages_noprof+0x18b/0x23f0 [ 100.127438][ T5865] __alloc_pages_noprof+0xb/0x1b0 [ 100.132997][ T5865] pcpu_populate_chunk+0x110/0xb00 [ 100.138656][ T5865] pcpu_alloc_noprof+0x86a/0x1470 [ 100.144239][ T5865] xt_percpu_counter_alloc+0x13e/0x1b0 [ 100.150251][ T5865] find_check_entry.constprop.0+0xbc/0x9b0 [ 100.156613][ T5865] translate_table+0xc98/0x1720 [ 100.162010][ T5865] ipt_register_table+0x102/0x430 [ 100.167580][ T5865] iptable_raw_table_init+0x63/0x90 [ 100.173323][ T5865] xt_find_table_lock+0x2e1/0x520 [ 100.178892][ T5865] xt_request_find_table_lock+0x28/0xf0 [ 100.184982][ T5865] get_info+0x190/0x610 [ 100.189677][ T5865] do_ipt_get_ctl+0x169/0xa10 [ 100.194893][ T5865] nf_getsockopt+0x7c/0xe0 [ 100.199849][ T5865] ip_getsockopt+0x18c/0x1e0 [ 100.204981][ T5865] tcp_getsockopt+0x9e/0x100 [ 100.210105][ T5865] do_sock_getsockopt+0x3ff/0x800 [ 100.215677][ T5865] __sys_getsockopt+0x123/0x1b0 [ 100.221062][ T5865] __x64_sys_getsockopt+0xbd/0x160 [ 100.226709][ T5865] do_syscall_64+0xcd/0x230 [ 100.231756][ T5865] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.238184][ T5865] [ 100.238184][ T5865] -> #1 (pcpu_alloc_mutex){+.+.}-{4:4}: [ 100.245965][ T5865] __mutex_lock+0x199/0xb90 [ 100.251012][ T5865] pcpu_alloc_noprof+0xb4a/0x1470 [ 100.256571][ T5865] sbitmap_init_node+0x2fd/0x770 [ 100.262046][ T5865] sbitmap_queue_init_node+0x41/0x560 [ 100.267961][ T5865] blk_mq_init_tags+0x12d/0x2b0 [ 100.273347][ T5865] blk_mq_alloc_map_and_rqs+0x237/0xf60 [ 100.279437][ T5865] blk_mq_init_sched+0x30c/0x610 [ 100.284915][ T5865] elevator_switch+0x1e1/0x7f0 [ 100.290223][ T5865] elevator_change+0x2ac/0x400 [ 100.295525][ T5865] elevator_set_default+0x292/0x320 [ 100.301268][ T5865] blk_register_queue+0x393/0x4f0 [ 100.306842][ T5865] __add_disk+0x74a/0xf00 [ 100.311700][ T5865] add_disk_fwnode+0x13f/0x5d0 [ 100.316997][ T5865] nbd_dev_add+0x791/0xbc0 [ 100.321958][ T5865] nbd_init+0x181/0x320 [ 100.326650][ T5865] do_one_initcall+0x120/0x6e0 [ 100.331945][ T5865] kernel_init_freeable+0x5c2/0x900 [ 100.337678][ T5865] kernel_init+0x1c/0x2b0 [ 100.342541][ T5865] ret_from_fork+0x48/0x80 [ 100.347499][ T5865] ret_from_fork_asm+0x1a/0x30 [ 100.352820][ T5865] [ 100.352820][ T5865] -> #0 (&q->elevator_lock){+.+.}-{4:4}: [ 100.360661][ T5865] __lock_acquire+0x126f/0x1c90 [ 100.366049][ T5865] lock_acquire+0x179/0x350 [ 100.371090][ T5865] __mutex_lock+0x199/0xb90 [ 100.376142][ T5865] elevator_change+0x103/0x400 [ 100.381448][ T5865] elv_iosched_store+0x2eb/0x3a0 [ 100.386932][ T5865] queue_attr_store+0x276/0x320 [ 100.392317][ T5865] sysfs_kf_write+0xf2/0x150 [ 100.397451][ T5865] kernfs_fop_write_iter+0x354/0x510 [ 100.403274][ T5865] iter_file_splice_write+0x91c/0x1150 [ 100.409278][ T5865] direct_splice_actor+0x18f/0x6c0 [ 100.414937][ T5865] splice_direct_to_actor+0x342/0xa30 [ 100.420851][ T5865] do_splice_direct+0x174/0x240 [ 100.426249][ T5865] do_sendfile+0xb06/0xe50 [ 100.431196][ T5865] __x64_sys_sendfile64+0x1d8/0x220 [ 100.436933][ T5865] do_syscall_64+0xcd/0x230 [ 100.441978][ T5865] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.448406][ T5865] [ 100.448406][ T5865] other info that might help us debug this: [ 100.448406][ T5865] [ 100.458659][ T5865] Chain exists of: [ 100.458659][ T5865] &q->elevator_lock --> fs_reclaim --> &q->q_usage_counter(io)#55 [ 100.458659][ T5865] [ 100.472427][ T5865] Possible unsafe locking scenario: [ 100.472427][ T5865] [ 100.479881][ T5865] CPU0 CPU1 [ 100.485251][ T5865] ---- ---- [ 100.490622][ T5865] lock(&q->q_usage_counter(io)#55); [ 100.496016][ T5865] lock(fs_reclaim); [ 100.502532][ T5865] lock(&q->q_usage_counter(io)#55); [ 100.510448][ T5865] lock(&q->elevator_lock); [ 100.515053][ T5865] [ 100.515053][ T5865] *** DEADLOCK *** [ 100.515053][ T5865] [ 100.523202][ T5865] 6 locks held by syz-executor347/5865: [ 100.528759][ T5865] #0: ffff8880365d0428 (sb_writers#7){.+.+}-{0:0}, at: splice_direct_to_actor+0x342/0xa30 [ 100.538825][ T5865] #1: ffff8880694ac488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 [ 100.548605][ T5865] #2: ffff888141f30b48 (kn->active#59){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 [ 100.558653][ T5865] #3: ffff888026444188 (&set->update_nr_hwq_lock){.+.+}-{4:4}, at: elv_iosched_store+0x337/0x3a0 [ 100.569307][ T5865] #4: ffff888142f38a70 (&q->q_usage_counter(io)#55){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 100.581010][ T5865] #5: ffff888142f38aa8 (&q->q_usage_counter(queue)#7){+.+.}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 100.592886][ T5865] [ 100.592886][ T5865] stack backtrace: [ 100.598786][ T5865] CPU: 1 UID: 0 PID: 5865 Comm: syz-executor347 Not tainted 6.15.0-syzkaller-01958-g785cdec46e92 #0 PREEMPT(full) [ 100.598820][ T5865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 100.598833][ T5865] Call Trace: [ 100.598840][ T5865] [ 100.598849][ T5865] dump_stack_lvl+0x116/0x1f0 [ 100.598887][ T5865] print_circular_bug+0x275/0x350 [ 100.598911][ T5865] check_noncircular+0x14c/0x170 [ 100.598936][ T5865] __lock_acquire+0x126f/0x1c90 [ 100.598963][ T5865] lock_acquire+0x179/0x350 [ 100.598985][ T5865] ? elevator_change+0x103/0x400 [ 100.599014][ T5865] ? __pfx___might_resched+0x10/0x10 [ 100.599036][ T5865] __mutex_lock+0x199/0xb90 [ 100.599065][ T5865] ? elevator_change+0x103/0x400 [ 100.599095][ T5865] ? elevator_change+0x103/0x400 [ 100.599124][ T5865] ? __pfx___mutex_lock+0x10/0x10 [ 100.599156][ T5865] ? blk_mq_cancel_work_sync+0xd8/0x110 [ 100.599177][ T5865] ? __pfx_blk_mq_cancel_work_sync+0x10/0x10 [ 100.599201][ T5865] ? elevator_change+0x103/0x400 [ 100.599229][ T5865] elevator_change+0x103/0x400 [ 100.599259][ T5865] elv_iosched_store+0x2eb/0x3a0 [ 100.599289][ T5865] ? __pfx_elv_iosched_store+0x10/0x10 [ 100.599320][ T5865] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.599344][ T5865] ? __mutex_trylock_common+0xe9/0x250 [ 100.599368][ T5865] ? __pfx_elv_iosched_store+0x10/0x10 [ 100.599399][ T5865] queue_attr_store+0x276/0x320 [ 100.599422][ T5865] ? __pfx_queue_attr_store+0x10/0x10 [ 100.599443][ T5865] ? __lock_acquire+0x622/0x1c90 [ 100.599472][ T5865] ? find_held_lock+0x2b/0x80 [ 100.599502][ T5865] ? sysfs_file_kobj+0xe4/0x290 [ 100.599534][ T5865] ? __pfx_queue_attr_store+0x10/0x10 [ 100.599556][ T5865] sysfs_kf_write+0xf2/0x150 [ 100.599588][ T5865] kernfs_fop_write_iter+0x354/0x510 [ 100.599615][ T5865] ? __pfx_sysfs_kf_write+0x10/0x10 [ 100.599647][ T5865] iter_file_splice_write+0x91c/0x1150 [ 100.599688][ T5865] ? __pfx_iter_file_splice_write+0x10/0x10 [ 100.599723][ T5865] ? __pfx_copy_splice_read+0x10/0x10 [ 100.599759][ T5865] ? __pfx_iter_file_splice_write+0x10/0x10 [ 100.599793][ T5865] direct_splice_actor+0x18f/0x6c0 [ 100.599833][ T5865] splice_direct_to_actor+0x342/0xa30 [ 100.599864][ T5865] ? __pfx_direct_splice_actor+0x10/0x10 [ 100.599899][ T5865] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 100.599929][ T5865] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 100.599959][ T5865] do_splice_direct+0x174/0x240 [ 100.599991][ T5865] ? __pfx_do_splice_direct+0x10/0x10 [ 100.600022][ T5865] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 100.600054][ T5865] ? rw_verify_area+0xcf/0x680 [ 100.600085][ T5865] do_sendfile+0xb06/0xe50 [ 100.600105][ T5865] ? __pfx_do_sendfile+0x10/0x10 [ 100.600126][ T5865] ? find_held_lock+0x2b/0x80 [ 100.600157][ T5865] __x64_sys_sendfile64+0x1d8/0x220 [ 100.600182][ T5865] ? __pfx___x64_sys_sendfile64+0x10/0x10 [ 100.600211][ T5865] do_syscall_64+0xcd/0x230 [ 100.600242][ T5865] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.600263][ T5865] RIP: 0033:0x7f705a0b5f59 [ 100.600280][ T5865] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1f 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 executing program executing program [ 100.600300][ T5865] RSP: 002b:00007ffc11bbeec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 100.600320][ T5865] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f705a0b5f59 [ 100.600333][ T5865] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003 [ 100.600345][ T5865] RBP: 0000000000000000 R08: 00007ffc11bbea30 R09: 00007ffc11bbea30 [ 100.600358][ T5865] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000003 [ 100.600370][ T5865] R13: 00007ffc11bbef00 R14: 00007ffc11bbef40 R15: 0000000000000000 [ 100.600389][ T5865] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program