Warning: Permanently added '[localhost]:34620' (ED25519) to the list of known hosts. [ 59.605058][ T42] kauditd_printk_skb: 17 callbacks suppressed [ 59.605077][ T42] audit: type=1400 audit(1783826695.577:138): avc: denied { execute } for pid=5735 comm="sh" name="syz-execprog" dev="sda1" ino=2020 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 59.617490][ T42] audit: type=1400 audit(1783826695.577:139): avc: denied { execute_no_trans } for pid=5735 comm="sh" path="/syz-execprog" dev="sda1" ino=2020 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 2026/07/12 03:24:57 parsed 1 programs 2026/07/12 03:24:57 serving rpc on tcp://43257 [ 61.306213][ T42] audit: type=1400 audit(1783826697.277:140): avc: denied { node_bind } for pid=5735 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 61.315044][ T42] audit: type=1400 audit(1783826697.287:141): avc: denied { node_bind } for pid=5735 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 64.400434][ T42] audit: type=1400 audit(1783826700.377:142): avc: denied { mounton } for pid=5743 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 64.411541][ T42] audit: type=1400 audit(1783826700.387:143): avc: denied { mount } for pid=5743 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 64.414677][ T5743] cgroup: Unknown subsys name 'net' [ 64.423836][ T42] audit: type=1400 audit(1783826700.397:144): avc: denied { unmount } for pid=5743 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 64.592093][ T5743] cgroup: Unknown subsys name 'cpuset' [ 64.598493][ T5743] cgroup: Unknown subsys name 'rlimit' [ 64.828610][ T42] audit: type=1400 audit(1783826700.807:145): avc: denied { setattr } for pid=5743 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=850 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 64.835958][ T42] audit: type=1400 audit(1783826700.807:146): avc: denied { create } for pid=5743 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 64.842682][ T42] audit: type=1400 audit(1783826700.807:147): avc: denied { write } for pid=5743 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 64.849567][ T42] audit: type=1400 audit(1783826700.807:148): avc: denied { read } for pid=5743 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 64.856345][ T42] audit: type=1400 audit(1783826700.817:149): avc: denied { mounton } for pid=5743 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 64.864199][ T42] audit: type=1400 audit(1783826700.817:150): avc: denied { mount } for pid=5743 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 64.872731][ T42] audit: type=1400 audit(1783826700.817:151): avc: denied { read } for pid=5447 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [ 64.879572][ T42] audit: type=1400 audit(1783826700.827:152): avc: denied { read } for pid=5447 comm="dhcpcd" name="n31" dev="tmpfs" ino=1890 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 64.887888][ T42] audit: type=1400 audit(1783826700.827:153): avc: denied { open } for pid=5447 comm="dhcpcd" path="/run/udev/data/n31" dev="tmpfs" ino=1890 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 64.895020][ T42] audit: type=1400 audit(1783826700.827:154): avc: denied { getattr } for pid=5447 comm="dhcpcd" path="/run/udev/data/n31" dev="tmpfs" ino=1890 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 64.910873][ T5748] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 65.692673][ T5743] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 67.649869][ T5753] 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. [ 68.753513][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.757798][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.783729][ T1199] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.787061][ T1199] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.055735][ T5814] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.060430][ T5814] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.063841][ T5814] bridge_slave_0: entered allmulticast mode [ 70.068939][ T5814] bridge_slave_0: entered promiscuous mode [ 70.075341][ T5814] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.078530][ T5814] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.081586][ T5814] bridge_slave_1: entered allmulticast mode [ 70.085446][ T5814] bridge_slave_1: entered promiscuous mode [ 70.117227][ T5814] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.124187][ T5814] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.153172][ T5814] team0: Port device team_slave_0 added [ 70.157969][ T5814] team0: Port device team_slave_1 added [ 70.180889][ T5814] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.183784][ T5814] 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. [ 70.194459][ T5814] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.201418][ T5814] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.204292][ T5814] 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. [ 70.215536][ T5814] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.256535][ T5814] hsr_slave_0: entered promiscuous mode [ 70.260441][ T5814] hsr_slave_1: entered promiscuous mode [ 70.368698][ T5814] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.375991][ T5814] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 70.380645][ T5814] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.387044][ T5814] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 70.391104][ T5814] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.397460][ T5814] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 70.401095][ T5814] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.407501][ T5814] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 70.431667][ T5814] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.435001][ T5814] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.438411][ T5814] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.441375][ T5814] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.491436][ T5814] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.505525][ T1199] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.509034][ T1199] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.518559][ T5814] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.528246][ T1199] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.530993][ T1199] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.538517][ T1199] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.541571][ T1199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.848515][ T5814] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.873463][ T5814] veth0_vlan: entered promiscuous mode [ 70.880298][ T5814] veth1_vlan: entered promiscuous mode [ 70.899073][ T5814] veth0_macvtap: entered promiscuous mode [ 70.903723][ T5814] veth1_macvtap: entered promiscuous mode [ 70.920090][ T5814] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.929468][ T5814] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.936619][ T5789] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.941152][ T5789] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.946732][ T5789] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.950357][ T5789] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.022354][ T42] kauditd_printk_skb: 30 callbacks suppressed [ 71.022371][ T42] audit: type=1400 audit(1783826706.997:185): avc: denied { create } for pid=5856 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 71.035164][ T42] audit: type=1400 audit(1783826706.997:186): avc: denied { read write } for pid=5856 comm="syz-executor" name="vhci" dev="devtmpfs" ino=1292 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 71.040995][ T5857] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.047999][ T42] audit: type=1400 audit(1783826706.997:187): avc: denied { open } for pid=5856 comm="syz-executor" path="/dev/vhci" dev="devtmpfs" ino=1292 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1 [ 71.048026][ T42] audit: type=1400 audit(1783826707.007:188): avc: denied { ioctl } for pid=5856 comm="syz-executor" path="socket:[8370]" dev="sockfs" ino=8370 ioctlcmd=0x48c9 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 71.066654][ T5857] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.070882][ T5857] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.075011][ T5857] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.087043][ T5857] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.089279][ T5789] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.166834][ T5789] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.256790][ T5789] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.357664][ T5789] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/07/12 03:25:08 executed programs: 0 [ 72.117081][ T5857] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.121047][ T5857] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.124580][ T5857] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.129118][ T5857] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.133395][ T5857] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 72.533009][ T5873] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.536170][ T5873] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.539551][ T5873] bridge_slave_0: entered allmulticast mode [ 72.543531][ T5873] bridge_slave_0: entered promiscuous mode [ 72.548615][ T5873] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.551885][ T5873] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.555151][ T5873] bridge_slave_1: entered allmulticast mode [ 72.559383][ T5873] bridge_slave_1: entered promiscuous mode [ 72.587349][ T5873] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.596486][ T5873] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.628781][ T5873] team0: Port device team_slave_0 added [ 72.634730][ T5873] team0: Port device team_slave_1 added [ 72.661293][ T5873] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.664273][ T5873] 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. [ 72.674928][ T5873] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.681249][ T5873] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.684183][ T5873] 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. [ 72.694700][ T5873] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.738294][ T5873] hsr_slave_0: entered promiscuous mode [ 72.741458][ T5873] hsr_slave_1: entered promiscuous mode [ 72.744403][ T5873] debugfs: 'hsr0' already exists in 'hsr' [ 72.746857][ T5873] Cannot create hsr debugfs directory [ 74.218881][ T5857] Bluetooth: hci0: command tx timeout [ 74.305268][ T5789] bridge_slave_1: left allmulticast mode [ 74.307634][ T5789] bridge_slave_1: left promiscuous mode [ 74.310405][ T5789] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.316259][ T5789] bridge_slave_0: left allmulticast mode [ 74.319234][ T5789] bridge_slave_0: left promiscuous mode [ 74.321191][ T5789] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.426679][ T5789] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.432066][ T5789] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.436074][ T5789] bond0 (unregistering): Released all slaves [ 74.518656][ T42] audit: type=1400 audit(1783826710.497:189): avc: denied { write } for pid=5892 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1841 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 74.528526][ T42] audit: type=1400 audit(1783826710.497:190): avc: denied { create } for pid=5892 comm="dhcpcd-run-hook" name="resolv.conf.eth2.link" scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 74.539735][ T42] audit: type=1400 audit(1783826710.497:191): avc: denied { write } for pid=5892 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf.eth2.link" dev="tmpfs" ino=2029 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 74.548059][ T42] audit: type=1400 audit(1783826710.497:192): avc: denied { append } for pid=5892 comm="dhcpcd-run-hook" name="resolv.conf.eth2.link" dev="tmpfs" ino=2029 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 74.571088][ T42] audit: type=1400 audit(1783826710.547:193): avc: denied { write } for pid=5895 comm="rm" name="hook-state" dev="tmpfs" ino=1841 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 74.579949][ T42] audit: type=1400 audit(1783826710.547:194): avc: denied { unlink } for pid=5895 comm="rm" name="resolv.conf.eth2.link" dev="tmpfs" ino=2029 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 74.599577][ T5447] 8021q: adding VLAN 0 to HW filter on device eth2 [ 74.635479][ T5789] hsr_slave_0: left promiscuous mode [ 74.640189][ T5789] hsr_slave_1: left promiscuous mode [ 74.642317][ T5789] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 74.644737][ T5789] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 74.648278][ T5789] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 74.651012][ T5789] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 74.659863][ T5789] veth1_macvtap: left promiscuous mode [ 74.661744][ T5789] veth0_macvtap: left promiscuous mode [ 74.663526][ T5789] veth1_vlan: left promiscuous mode [ 74.665242][ T5789] veth0_vlan: left promiscuous mode [ 74.789977][ T5789] team0 (unregistering): Port device team_slave_1 removed [ 74.801942][ T5789] team0 (unregistering): Port device team_slave_0 removed [ 74.865640][ T5447] 8021q: adding VLAN 0 to HW filter on device eth3 [ 75.252115][ T5873] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.256248][ T5873] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 75.260533][ T5873] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.267364][ T5873] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 75.275681][ T5873] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.281126][ T5873] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 75.285019][ T5873] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.294346][ T5873] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 75.365098][ T5873] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.382604][ T5873] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.391566][ T1199] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.394787][ T1199] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.404569][ T1199] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.407645][ T1199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.787728][ T5873] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.812512][ T5873] veth0_vlan: entered promiscuous mode [ 75.819973][ T5873] veth1_vlan: entered promiscuous mode [ 75.835175][ T5873] veth0_macvtap: entered promiscuous mode [ 75.840173][ T5873] veth1_macvtap: entered promiscuous mode [ 75.850573][ T5873] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.857279][ T5873] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.870176][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.873234][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.876585][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.880028][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.915524][ T223] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.920001][ T223] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.939465][ T1199] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.942692][ T1199] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.983978][ T5936] loop9: detected capacity change from 0 to 7 [ 76.212230][ T5936] Dev loop9: unable to read RDB block 7 [ 76.214719][ T5936] loop9: unable to read partition table [ 76.217187][ T5936] loop9: partition table beyond EOD, truncated [ 76.220198][ T5936] loop_reread_partitions: partition scan of loop9 (þ被xü—ŸÑà– ) failed (rc=-5) [ 76.278221][ T5936] [ 76.279162][ T5936] ====================================================== [ 76.281703][ T5936] WARNING: possible circular locking dependency detected [ 76.283987][ T5936] syzkaller #0 Not tainted [ 76.285401][ T5936] ------------------------------------------------------ [ 76.287762][ T5936] syz.0.17/5936 is trying to acquire lock: [ 76.289684][ T5936] ffff88801d2a6210 (&root->kernfs_iattr_rwsem){++++}-{4:4}, at: kernfs_iop_getattr+0x9c/0xf0 [ 76.292866][ T5936] [ 76.292866][ T5936] but task is already holding lock: [ 76.295120][ T5936] ffff88802885cae0 (&q->q_usage_counter(io)#26){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 76.298595][ T5936] [ 76.298595][ T5936] which lock already depends on the new lock. [ 76.298595][ T5936] [ 76.301872][ T5936] [ 76.301872][ T5936] the existing dependency chain (in reverse order) is: [ 76.304609][ T5936] [ 76.304609][ T5936] -> #2 (&q->q_usage_counter(io)#26){++++}-{0:0}: [ 76.307346][ T5936] lock_acquire+0x1b9/0x370 [ 76.308931][ T5936] blk_alloc_queue+0x610/0x790 [ 76.310664][ T5936] blk_mq_alloc_queue+0x174/0x290 [ 76.312422][ T5936] __blk_mq_alloc_disk+0x29/0x120 [ 76.314178][ T5936] loop_add+0x498/0xb60 [ 76.315660][ T5936] loop_init+0x1d3/0x200 [ 76.317211][ T5936] do_one_initcall+0x11d/0x700 [ 76.318862][ T5936] kernel_init_freeable+0x6ea/0x7b0 [ 76.320653][ T5936] kernel_init+0x1f/0x1e0 [ 76.322167][ T5936] ret_from_fork+0x72b/0xd50 [ 76.323763][ T5936] ret_from_fork_asm+0x1a/0x30 [ 76.325414][ T5936] [ 76.325414][ T5936] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 76.327887][ T5936] lock_acquire+0x1b9/0x370 [ 76.329981][ T5936] fs_reclaim_acquire+0xc4/0x100 [ 76.332202][ T5936] kmem_cache_alloc_noprof+0x63/0x6a0 [ 76.334695][ T5936] __kernfs_iattrs+0x126/0x450 [ 76.336875][ T5936] __kernfs_setattr+0x4d/0x3c0 [ 76.339063][ T5936] kernfs_iop_setattr+0xda/0x130 [ 76.340857][ T5936] notify_change+0xb25/0x1330 [ 76.342482][ T5936] do_truncate+0x1df/0x240 [ 76.344023][ T5936] path_openat+0x370f/0x4280 [ 76.345650][ T5936] do_file_open+0x20e/0x430 [ 76.347192][ T5936] do_sys_openat2+0x10f/0x1e0 [ 76.348943][ T5936] __x64_sys_openat+0x12d/0x210 [ 76.350683][ T5936] do_syscall_64+0x115/0x870 [ 76.352443][ T5936] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.354442][ T5936] [ 76.354442][ T5936] -> #0 (&root->kernfs_iattr_rwsem){++++}-{4:4}: [ 76.357415][ T5936] check_prev_add+0xeb/0xe60 [ 76.359373][ T5936] __lock_acquire+0x136c/0x1a40 [ 76.361383][ T5936] lock_acquire+0x1b9/0x370 [ 76.363120][ T5936] down_read+0x99/0x4c0 [ 76.364603][ T5936] kernfs_iop_getattr+0x9c/0xf0 [ 76.366542][ T5936] vfs_getattr_nosec+0x2d4/0x430 [ 76.368260][ T5936] vfs_getattr+0x4a/0x60 [ 76.369782][ T5936] loop_query_min_dio_size.isra.0+0x117/0x250 [ 76.371840][ T5936] lo_ioctl+0x13aa/0x1bc0 [ 76.373367][ T5936] blkdev_ioctl+0x5ad/0x6f0 [ 76.374987][ T5936] __x64_sys_ioctl+0x18e/0x210 [ 76.376943][ T5936] do_syscall_64+0x115/0x870 [ 76.378903][ T5936] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.381222][ T5936] [ 76.381222][ T5936] other info that might help us debug this: [ 76.381222][ T5936] [ 76.384810][ T5936] Chain exists of: [ 76.384810][ T5936] &root->kernfs_iattr_rwsem --> fs_reclaim --> &q->q_usage_counter(io)#26 [ 76.384810][ T5936] [ 76.389903][ T5936] Possible unsafe locking scenario: [ 76.389903][ T5936] [ 76.392570][ T5936] CPU0 CPU1 [ 76.394503][ T5936] ---- ---- [ 76.396428][ T5936] lock(&q->q_usage_counter(io)#26); [ 76.398193][ T5936] lock(fs_reclaim); [ 76.400211][ T5936] lock(&q->q_usage_counter(io)#26); [ 76.403571][ T5936] rlock(&root->kernfs_iattr_rwsem); [ 76.405710][ T5936] [ 76.405710][ T5936] *** DEADLOCK *** [ 76.405710][ T5936] [ 76.408958][ T5936] 3 locks held by syz.0.17/5936: [ 76.411110][ T5936] #0: ffff888028861430 (&lo->lo_mutex){+.+.}-{4:4}, at: loop_global_lock_killable+0x30/0xb0 [ 76.415258][ T5936] #1: ffff88802885cae0 (&q->q_usage_counter(io)#26){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 76.420098][ T5936] #2: ffff88802885cb18 (&q->q_usage_counter(queue)#10){+.+.}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 76.424968][ T5936] [ 76.424968][ T5936] stack backtrace: [ 76.427421][ T5936] CPU: 2 UID: 0 PID: 5936 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 76.427441][ T5936] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 76.427480][ T5936] Call Trace: [ 76.427486][ T5936] [ 76.427493][ T5936] dump_stack_lvl+0x100/0x190 [ 76.427514][ T5936] print_circular_bug.cold+0x178/0x1c7 [ 76.427542][ T5936] check_noncircular+0x146/0x160 [ 76.427561][ T5936] check_prev_add+0xeb/0xe60 [ 76.427577][ T5936] __lock_acquire+0x136c/0x1a40 [ 76.427596][ T5936] lock_acquire+0x1b9/0x370 [ 76.427614][ T5936] ? kernfs_iop_getattr+0x9c/0xf0 [ 76.427639][ T5936] ? __pfx___might_resched+0x10/0x10 [ 76.427661][ T5936] down_read+0x99/0x4c0 [ 76.427676][ T5936] ? kernfs_iop_getattr+0x9c/0xf0 [ 76.427697][ T5936] ? find_held_lock+0x2b/0x80 [ 76.427718][ T5936] ? __pfx_down_read+0x10/0x10 [ 76.427731][ T5936] ? kernfs_root+0xee/0x2a0 [ 76.427752][ T5936] kernfs_iop_getattr+0x9c/0xf0 [ 76.427773][ T5936] vfs_getattr_nosec+0x2d4/0x430 [ 76.427787][ T5936] ? __pfx_kernfs_iop_getattr+0x10/0x10 [ 76.427810][ T5936] vfs_getattr+0x4a/0x60 [ 76.427826][ T5936] loop_query_min_dio_size.isra.0+0x117/0x250 [ 76.427851][ T5936] ? __pfx_loop_query_min_dio_size.isra.0+0x10/0x10 [ 76.427879][ T5936] lo_ioctl+0x13aa/0x1bc0 [ 76.427905][ T5936] ? __pfx_lo_ioctl+0x10/0x10 [ 76.427927][ T5936] ? __pfx_avc_has_extended_perms+0x10/0x10 [ 76.427947][ T5936] ? kasan_quarantine_put+0x104/0x240 [ 76.427962][ T5936] ? blk_get_meta_cap+0xd4/0x6c0 [ 76.427982][ T5936] ? __pfx_blk_get_meta_cap+0x10/0x10 [ 76.428003][ T5936] ? blkdev_common_ioctl+0x515/0x2b80 [ 76.428023][ T5936] ? __pfx_blkdev_common_ioctl+0x10/0x10 [ 76.428043][ T5936] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 76.428059][ T5936] ? do_vfs_ioctl+0x226/0x13e0 [ 76.428078][ T5936] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 76.428098][ T5936] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10 [ 76.428125][ T5936] ? __pfx_lo_ioctl+0x10/0x10 [ 76.428145][ T5936] blkdev_ioctl+0x5ad/0x6f0 [ 76.428164][ T5936] ? __pfx_blkdev_ioctl+0x10/0x10 [ 76.428185][ T5936] ? selinux_file_ioctl+0x13b/0x290 [ 76.428207][ T5936] ? selinux_file_ioctl+0xb6/0x290 [ 76.428229][ T5936] ? __pfx_blkdev_ioctl+0x10/0x10 [ 76.428248][ T5936] __x64_sys_ioctl+0x18e/0x210 [ 76.428270][ T5936] do_syscall_64+0x115/0x870 [ 76.428291][ T5936] ? clear_bhb_loop+0x40/0x90 [ 76.428307][ T5936] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.428322][ T5936] RIP: 0033:0x7f9d2c59de59 [ 76.428336][ T5936] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 76.428350][ T5936] RSP: 002b:00007ffd6d9a07f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.428394][ T5936] RAX: ffffffffffffffda RBX: 00007f9d2c825fa0 RCX: 00007f9d2c59de59 [ 76.428404][ T5936] RDX: 0000000000000003 RSI: 0000000000004c06 RDI: 0000000000000004 [ 76.428413][ T5936] RBP: 00007f9d2c633e6f R08: 0000000000000000 R09: 0000000000000000 [ 76.428427][ T5936] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.428435][ T5936] R13: 00007f9d2c825fac R14: 00007f9d2c825fa0 R15: 00007f9d2c825fa0 [ 76.428451][ T5936] [ 76.556614][ T5857] Bluetooth: hci0: command tx timeout [ 76.698205][ T1439] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.700270][ T1439] ieee802154 phy1 wpan1: encryption failed: -22 [ 76.733155][ T5936] Dev loop9: unable to read RDB block 7 [ 76.734986][ T5936] loop9: unable to read partition table [ 76.737337][ T5936] loop9: partition table beyond EOD, truncated [ 76.740030][ T5936] loop_reread_partitions: partition scan of loop9 (þ被xü—ŸÑà– ) failed (rc=-5) [ 78.400490][ T5789] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.501255][ T5789] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.570205][ T5789] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.622804][ T5789] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.719159][ T5789] bridge_slave_1: left allmulticast mode [ 79.721015][ T5789] bridge_slave_1: left promiscuous mode [ 79.722818][ T5789] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.726097][ T5789] bridge_slave_0: left allmulticast mode [ 79.728541][ T5789] bridge_slave_0: left promiscuous mode [ 79.730944][ T5789] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.777158][ T5789] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.784861][ T5789] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.791824][ T5789] bond0 (unregistering): Released all slaves [ 79.829720][ T42] kauditd_printk_skb: 9 callbacks suppressed [ 79.829743][ T42] audit: type=1400 audit(1783826715.807:204): avc: denied { write } for pid=5940 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1841 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 79.863360][ T42] audit: type=1400 audit(1783826715.837:205): avc: denied { write } for pid=5943 comm="rm" name="hook-state" dev="tmpfs" ino=1841 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 79.881684][ T5447] 8021q: adding VLAN 0 to HW filter on device eth2 [ 79.934588][ T42] audit: type=1400 audit(1783826715.907:206): avc: denied { write } for pid=5946 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1841 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 79.974786][ T42] audit: type=1400 audit(1783826715.947:207): avc: denied { write } for pid=5949 comm="rm" name="hook-state" dev="tmpfs" ino=1841 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 80.001071][ T5447] 8021q: adding VLAN 0 to HW filter on device eth3 [ 80.048511][ T42] audit: type=1400 audit(1783826716.027:208): avc: denied { write } for pid=5952 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1841 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 80.072507][ T5789] hsr_slave_0: left promiscuous mode [ 80.075079][ T5789] hsr_slave_1: left promiscuous mode [ 80.077071][ T5789] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 80.080732][ T5789] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 80.083390][ T5789] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 80.086010][ T5789] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 80.089229][ T42] audit: type=1400 audit(1783826716.067:209): avc: denied { write } for pid=5955 comm="rm" name="hook-state" dev="tmpfs" ino=1841 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 80.097728][ T5789] veth1_macvtap: left promiscuous mode [ 80.099832][ T5789] veth0_macvtap: left promiscuous mode [ 80.101760][ T5789] veth1_vlan: left promiscuous mode [ 80.103440][ T5789] veth0_vlan: left promiscuous mode [ 80.152418][ T5789] team0 (unregistering): Port device team_slave_1 removed [ 80.158380][ T5789] team0 (unregistering): Port device team_slave_0 removed [ 80.183404][ T5447] 8021q: adding VLAN 0 to HW filter on device eth4 [ 80.276495][ T42] audit: type=1400 audit(1783826716.247:210): avc: denied { write } for pid=5959 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1841 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 80.324865][ T42] audit: type=1400 audit(1783826716.297:211): avc: denied { write } for pid=5962 comm="rm" name="hook-state" dev="tmpfs" ino=1841 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 80.356407][ T5447] 8021q: adding VLAN 0 to HW filter on device eth5