[ 87.079127][ T30] kauditd_printk_skb: 24 callbacks suppressed [ 87.079142][ T30] audit: type=1400 audit(1759502139.973:96): avc: denied { search } for pid=5943 comm="dhcpcd-run-hook" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 87.107656][ T30] audit: type=1400 audit(1759502139.973:97): avc: denied { search } for pid=5943 comm="dhcpcd-run-hook" name="dhcpcd" dev="tmpfs" ino=1830 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 87.130787][ T30] audit: type=1400 audit(1759502139.973:98): avc: denied { search } for pid=5943 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1834 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 87.154021][ T30] audit: type=1400 audit(1759502139.973:99): avc: denied { search } for pid=5943 comm="dhcpcd-run-hook" name="resolv.conf" dev="tmpfs" ino=1835 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 87.177798][ T30] audit: type=1400 audit(1759502139.973:100): avc: denied { read open } for pid=5944 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=1835 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 87.203612][ T30] audit: type=1400 audit(1759502139.973:101): avc: denied { getattr } for pid=5944 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=1835 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 87.264239][ T30] audit: type=1400 audit(1759502140.153:102): avc: denied { add_name } for pid=5943 comm="dhcpcd-run-hook" name="resolv.conf.eth1.ipv4ll" scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 87.320554][ T30] audit: type=1400 audit(1759502140.213:103): avc: denied { remove_name } for pid=5954 comm="rm" name="resolv.conf.eth1.ipv4ll" dev="tmpfs" ino=1914 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 Warning: Permanently added '10.128.1.103' (ED25519) to the list of known hosts. 2025/10/03 14:35:44 ignoring optional flag "type"="gce" 2025/10/03 14:35:44 parsed 1 programs 2025/10/03 14:35:44 executed programs: 0 [ 91.805587][ T30] audit: type=1400 audit(1759502144.693:104): avc: denied { getattr } for pid=6004 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 91.878699][ T30] audit: type=1400 audit(1759502144.773:105): avc: denied { create } for pid=6015 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 91.891198][ T5143] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.907601][ T5143] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.915796][ T5143] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.924308][ T5143] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.931969][ T5143] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.042855][ T6015] chnl_net:caif_netlink_parms(): no params data found [ 92.096435][ T6015] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.103584][ T6015] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.110800][ T6015] bridge_slave_0: entered allmulticast mode [ 92.117712][ T6015] bridge_slave_0: entered promiscuous mode [ 92.125755][ T6015] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.133027][ T6015] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.140266][ T6015] bridge_slave_1: entered allmulticast mode [ 92.147245][ T6015] bridge_slave_1: entered promiscuous mode [ 92.170810][ T6015] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.181852][ T6015] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.207632][ T6015] team0: Port device team_slave_0 added [ 92.214784][ T6015] team0: Port device team_slave_1 added [ 92.236068][ T6015] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.243143][ T6015] 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. [ 92.269136][ T6015] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.280885][ T6015] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.287911][ T6015] 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. [ 92.314360][ T6015] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.349385][ T6015] hsr_slave_0: entered promiscuous mode [ 92.355645][ T6015] hsr_slave_1: entered promiscuous mode [ 92.831225][ T6015] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.844493][ T6015] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.862035][ T6015] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.872476][ T6015] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.911703][ T6015] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.918882][ T6015] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.926413][ T6015] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.933637][ T6015] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.996918][ T6015] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.019138][ T3483] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.029701][ T3483] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.047548][ T6015] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.060189][ T3483] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.067335][ T3483] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.090250][ T3483] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.097423][ T3483] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.140350][ T6015] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 93.324188][ T6015] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.373296][ T6015] veth0_vlan: entered promiscuous mode [ 93.388704][ T6015] veth1_vlan: entered promiscuous mode [ 93.430597][ T6015] veth0_macvtap: entered promiscuous mode [ 93.441562][ T6015] veth1_macvtap: entered promiscuous mode [ 93.463689][ T6015] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.482276][ T6015] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.496572][ T1097] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.508313][ T1097] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.526380][ T1097] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.551566][ T1097] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.589230][ T30] kauditd_printk_skb: 2 callbacks suppressed [ 93.589247][ T30] audit: type=1400 audit(1759502146.473:108): avc: denied { mounton } for pid=6015 comm="syz-executor.0" path="/dev/binderfs" dev="devtmpfs" ino=2782 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 93.720502][ T6075] nbd0: detected capacity change from 0 to 8 [ 93.997800][ T51] Bluetooth: hci0: command tx timeout [ 94.483111][ T5143] block nbd0: Receive control failed (result -104) [ 96.077125][ T5143] Bluetooth: hci0: command tx timeout [ 98.156916][ T5143] Bluetooth: hci0: command tx timeout [ 100.236902][ T5143] Bluetooth: hci0: command tx timeout [ 123.759411][ T94] block nbd0: Possible stuck request ffff888026135080: control (read@0,4096B). Runtime 30 seconds [ 132.718969][ T1293] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.725262][ T1293] ieee802154 phy1 wpan1: encryption failed: -22 2025/10/03 14:36:41 executed programs: 1 [ 149.665004][ T51] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 149.672990][ T51] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 149.680886][ T51] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 149.689219][ T51] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 149.697208][ T51] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 149.808855][ T6214] chnl_net:caif_netlink_parms(): no params data found [ 149.861540][ T6214] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.868862][ T6214] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.875991][ T6214] bridge_slave_0: entered allmulticast mode [ 149.882999][ T6214] bridge_slave_0: entered promiscuous mode [ 149.890623][ T6214] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.897824][ T6214] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.904954][ T6214] bridge_slave_1: entered allmulticast mode [ 149.911866][ T6214] bridge_slave_1: entered promiscuous mode [ 149.934761][ T6214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 149.945939][ T6214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 149.971739][ T6214] team0: Port device team_slave_0 added [ 149.979349][ T6214] team0: Port device team_slave_1 added [ 150.000757][ T6214] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 150.008015][ T6214] 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. [ 150.034214][ T6214] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 150.045864][ T6214] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 150.053576][ T6214] 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. [ 150.079615][ T6214] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 150.114292][ T6214] hsr_slave_0: entered promiscuous mode [ 150.120431][ T6214] hsr_slave_1: entered promiscuous mode [ 150.126319][ T6214] debugfs: 'hsr0' already exists in 'hsr' [ 150.132220][ T6214] Cannot create hsr debugfs directory [ 150.210499][ T6214] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 150.266989][ T6214] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 150.346859][ T6214] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 150.417250][ T6214] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 150.497207][ T6214] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 150.507372][ T6214] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 150.516748][ T6214] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 150.525783][ T6214] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 150.546577][ T6214] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.553736][ T6214] bridge0: port 2(bridge_slave_1) entered forwarding state [ 150.561198][ T6214] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.568319][ T6214] bridge0: port 1(bridge_slave_0) entered forwarding state [ 150.609033][ T6214] 8021q: adding VLAN 0 to HW filter on device bond0 [ 150.623685][ T1097] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.631482][ T1097] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.646387][ T6214] 8021q: adding VLAN 0 to HW filter on device team0 [ 150.658418][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.665498][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 150.677667][ T1097] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.684783][ T1097] bridge0: port 2(bridge_slave_1) entered forwarding state [ 150.816057][ T6214] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 150.852088][ T6214] veth0_vlan: entered promiscuous mode [ 150.861674][ T6214] veth1_vlan: entered promiscuous mode [ 150.884527][ T6214] veth0_macvtap: entered promiscuous mode [ 150.892915][ T6214] veth1_macvtap: entered promiscuous mode [ 150.907085][ T6214] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 150.921893][ T6214] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 150.934134][ T3483] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 150.947693][ T3483] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 150.961735][ T3483] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 150.971024][ T3483] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 151.757121][ T51] Bluetooth: hci1: command tx timeout [ 153.847401][ T51] Bluetooth: hci1: command tx timeout [ 153.847975][ T94] block nbd0: Possible stuck request ffff888026135080: control (read@0,4096B). Runtime 60 seconds [ 154.013223][ T5193] udevd[5193]: worker [6002] /devices/virtual/block/nbd0 is taking a long time [ 155.917114][ T51] Bluetooth: hci1: command tx timeout [ 157.996847][ T51] Bluetooth: hci1: command tx timeout [ 183.917385][ T94] block nbd0: Possible stuck request ffff888026135080: control (read@0,4096B). Runtime 90 seconds [ 194.159241][ T1293] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.165669][ T1293] ieee802154 phy1 wpan1: encryption failed: -22 2025/10/03 14:37:38 executed programs: 2 [ 207.042805][ T5143] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 207.051365][ T5143] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 207.059292][ T5143] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 207.067713][ T5143] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 207.075403][ T5143] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 207.192080][ T6242] chnl_net:caif_netlink_parms(): no params data found [ 207.246122][ T6242] bridge0: port 1(bridge_slave_0) entered blocking state [ 207.253710][ T6242] bridge0: port 1(bridge_slave_0) entered disabled state [ 207.261637][ T6242] bridge_slave_0: entered allmulticast mode [ 207.269240][ T6242] bridge_slave_0: entered promiscuous mode [ 207.277153][ T6242] bridge0: port 2(bridge_slave_1) entered blocking state [ 207.284281][ T6242] bridge0: port 2(bridge_slave_1) entered disabled state [ 207.291489][ T6242] bridge_slave_1: entered allmulticast mode [ 207.298316][ T6242] bridge_slave_1: entered promiscuous mode [ 207.321107][ T6242] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 207.333123][ T6242] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 207.358298][ T6242] team0: Port device team_slave_0 added [ 207.365638][ T6242] team0: Port device team_slave_1 added [ 207.388429][ T6242] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 207.395390][ T6242] 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. [ 207.421383][ T6242] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 207.433414][ T6242] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 207.440667][ T6242] 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. [ 207.466625][ T6242] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 207.502052][ T6242] hsr_slave_0: entered promiscuous mode [ 207.508240][ T6242] hsr_slave_1: entered promiscuous mode [ 207.514134][ T6242] debugfs: 'hsr0' already exists in 'hsr' [ 207.519947][ T6242] Cannot create hsr debugfs directory [ 207.599472][ T6242] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 207.657051][ T6242] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 207.726241][ T6242] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 207.807973][ T6242] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 207.894150][ T6242] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 207.903553][ T6242] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 207.915212][ T6242] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 207.928998][ T6242] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 207.951903][ T6242] bridge0: port 2(bridge_slave_1) entered blocking state [ 207.959031][ T6242] bridge0: port 2(bridge_slave_1) entered forwarding state [ 207.966396][ T6242] bridge0: port 1(bridge_slave_0) entered blocking state [ 207.973558][ T6242] bridge0: port 1(bridge_slave_0) entered forwarding state [ 208.015876][ T6242] 8021q: adding VLAN 0 to HW filter on device bond0 [ 208.031906][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 208.040426][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 208.053840][ T6242] 8021q: adding VLAN 0 to HW filter on device team0 [ 208.070423][ T1097] bridge0: port 1(bridge_slave_0) entered blocking state [ 208.077791][ T1097] bridge0: port 1(bridge_slave_0) entered forwarding state [ 208.085824][ T1097] bridge0: port 2(bridge_slave_1) entered blocking state [ 208.092925][ T1097] bridge0: port 2(bridge_slave_1) entered forwarding state [ 208.221060][ T6242] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 208.254518][ T6242] veth0_vlan: entered promiscuous mode [ 208.264842][ T6242] veth1_vlan: entered promiscuous mode [ 208.289294][ T6242] veth0_macvtap: entered promiscuous mode [ 208.297907][ T6242] veth1_macvtap: entered promiscuous mode [ 208.311861][ T6242] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 208.325688][ T6242] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 208.338442][ T3483] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 208.347419][ T3483] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 208.357068][ T3483] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 208.366361][ T3483] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 209.116984][ T5143] Bluetooth: hci2: command tx timeout [ 211.196826][ T5143] Bluetooth: hci2: command tx timeout [ 213.276904][ T5143] Bluetooth: hci2: command tx timeout [ 213.998361][ T94] block nbd0: Possible stuck request ffff888026135080: control (read@0,4096B). Runtime 120 seconds [ 215.356932][ T5143] Bluetooth: hci2: command tx timeout [ 216.716926][ T5143] Bluetooth: hci0: command 0x0406 tx timeout [ 244.076921][ T94] block nbd0: Possible stuck request ffff888026135080: control (read@0,4096B). Runtime 150 seconds [ 253.676898][ T31] INFO: task syz-executor.0:6075 blocked for more than 143 seconds. [ 253.684903][ T31] Not tainted syzkaller #0 [ 253.689955][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.698760][ T31] task:syz-executor.0 state:D stack:27544 pid:6075 tgid:6074 ppid:6015 task_flags:0x400140 flags:0x00080003 [ 253.710780][ T31] Call Trace: [ 253.714049][ T31] [ 253.717031][ T31] __schedule+0x1190/0x5de0 [ 253.721565][ T31] ? __lock_acquire+0x62e/0x1ce0 [ 253.726481][ T31] ? __pfx___schedule+0x10/0x10 [ 253.731380][ T31] ? find_held_lock+0x2b/0x80 [ 253.736073][ T31] ? schedule+0x2d7/0x3a0 [ 253.740427][ T31] ? bdev_release+0x15a/0x6d0 [ 253.745108][ T31] schedule+0xe7/0x3a0 [ 253.749249][ T31] schedule_preempt_disabled+0x13/0x30 [ 253.754709][ T31] __mutex_lock+0x818/0x1060 [ 253.759494][ T31] ? bdev_release+0x15a/0x6d0 [ 253.764191][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 253.769419][ T31] ? find_held_lock+0x2b/0x80 [ 253.774214][ T31] ? do_raw_spin_unlock+0x172/0x230 [ 253.779469][ T31] ? bdev_release+0x15a/0x6d0 [ 253.784141][ T31] bdev_release+0x15a/0x6d0 [ 253.788672][ T31] ? __pfx_blkdev_release+0x10/0x10 [ 253.793879][ T31] blkdev_release+0x15/0x20 [ 253.798411][ T31] __fput+0x402/0xb70 [ 253.802421][ T31] task_work_run+0x150/0x240 [ 253.807108][ T31] ? __pfx_task_work_run+0x10/0x10 [ 253.812224][ T31] get_signal+0x1d0/0x26d0 [ 253.816641][ T31] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 253.822650][ T31] ? __pfx_get_signal+0x10/0x10 [ 253.827536][ T31] ? task_work_add+0x1d5/0x360 [ 253.832295][ T31] ? __pfx_task_work_add+0x10/0x10 [ 253.837427][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 253.843494][ T31] arch_do_signal_or_restart+0x8f/0x7c0 [ 253.849090][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 253.855257][ T31] exit_to_user_mode_loop+0x85/0x130 [ 253.860580][ T31] do_syscall_64+0x419/0x4e0 [ 253.865178][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 253.871102][ T31] RIP: 0033:0x7f23eea7c8d9 [ 253.875530][ T31] RSP: 002b:00007f23ef8940c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 253.884026][ T31] RAX: 0000000000000000 RBX: 00007f23eeb9bf80 RCX: 00007f23eea7c8d9 [ 253.892115][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 253.900179][ T31] RBP: 00007f23eead8b20 R08: 0000000000000000 R09: 0000000000000000 [ 253.908239][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 253.916235][ T31] R13: 000000000000000b R14: 00007f23eeb9bf80 R15: 00007ffd7dce79d8 [ 253.924331][ T31] [ 253.927399][ T31] [ 253.927399][ T31] Showing all locks held in the system: [ 253.935089][ T31] 1 lock held by khungtaskd/31: [ 253.939984][ T31] #0: ffffffff8e1c4120 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 253.949903][ T31] 2 locks held by getty/5578: [ 253.954626][ T31] #0: ffff88814dc810a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 253.964476][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 [ 253.974642][ T31] 1 lock held by udevd/6002: [ 253.979261][ T31] #0: ffff888142b57358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 253.988608][ T31] 1 lock held by syz-executor.0/6075: [ 253.993950][ T31] #0: ffff888142b57358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 [ 254.003585][ T31] 1 lock held by syz-executor.0/6233: [ 254.008970][ T31] #0: ffff888142b57358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 254.018328][ T31] 1 lock held by syz-executor.0/6261: [ 254.023688][ T31] #0: ffff888142b57358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 254.033133][ T31] [ 254.035489][ T31] ============================================= [ 254.035489][ T31] [ 254.044056][ T31] NMI backtrace for cpu 1 [ 254.044077][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 254.044096][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 254.044107][ T31] Call Trace: [ 254.044113][ T31] [ 254.044119][ T31] dump_stack_lvl+0x116/0x1f0 [ 254.044149][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 254.044171][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 254.044190][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 254.044214][ T31] watchdog+0xf3f/0x1170 [ 254.044244][ T31] ? rcu_is_watching+0x12/0xc0 [ 254.044271][ T31] ? __pfx_watchdog+0x10/0x10 [ 254.044295][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 254.044322][ T31] ? __kthread_parkme+0x19e/0x250 [ 254.044342][ T31] ? __pfx_watchdog+0x10/0x10 [ 254.044368][ T31] kthread+0x3c2/0x780 [ 254.044390][ T31] ? __pfx_kthread+0x10/0x10 [ 254.044414][ T31] ? rcu_is_watching+0x12/0xc0 [ 254.044441][ T31] ? __pfx_kthread+0x10/0x10 [ 254.044464][ T31] ret_from_fork+0x56a/0x730 [ 254.044484][ T31] ? __pfx_kthread+0x10/0x10 [ 254.044505][ T31] ret_from_fork_asm+0x1a/0x30 [ 254.044542][ T31] [ 254.044549][ T31] Sending NMI from CPU 1 to CPUs 0: [ 254.164564][ C0] NMI backtrace for cpu 0 [ 254.164579][ C0] CPU: 0 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full) [ 254.164599][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 254.164614][ C0] Workqueue: events_unbound toggle_allocation_gate [ 254.164639][ C0] RIP: 0010:rcu_is_watching+0x80/0xc0 [ 254.164664][ C0] Code: 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 24 8b 03 c1 e8 02 83 e0 01 65 ff 0d c0 60 d9 11 <74> 07 5b 5d c3 cc cc cc cc e8 32 97 8b ff 5b 5d e9 db 7f ae 09 48 [ 254.164679][ C0] RSP: 0018:ffffc90000ac7880 EFLAGS: 00000082 [ 254.164691][ C0] RAX: 0000000000000001 RBX: ffff8880b86332a8 RCX: ffffffff816c7fe1 [ 254.164702][ C0] RDX: 0000000000000000 RSI: ffffffff8bd01140 RDI: ffffffff8dac6e40 [ 254.164713][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff20be6b2 [ 254.164723][ C0] R10: ffffffff905f3597 R11: 0000000000000000 R12: ffff88801b058000 [ 254.164733][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000010000 [ 254.164743][ C0] FS: 0000000000000000(0000) GS:ffff888124e85000(0000) knlGS:0000000000000000 [ 254.164759][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 254.164770][ C0] CR2: 000055f207270168 CR3: 000000000df82000 CR4: 00000000003526f0 [ 254.164780][ C0] Call Trace: [ 254.164786][ C0] [ 254.164793][ C0] trace_tlb_flush+0x100/0x160 [ 254.164809][ C0] switch_mm_irqs_off+0x2b1/0x7f0 [ 254.164828][ C0] unuse_temporary_mm+0xb2/0x170 [ 254.164844][ C0] ? kmem_cache_alloc_lru_noprof+0x8e/0x6e0 [ 254.164869][ C0] __text_poke+0x5fd/0xb70 [ 254.164889][ C0] ? __pfx_text_poke_memcpy+0x10/0x10 [ 254.164912][ C0] ? __pfx___text_poke+0x10/0x10 [ 254.164932][ C0] ? kmem_cache_alloc_lru_noprof+0x8e/0x6e0 [ 254.164959][ C0] smp_text_poke_batch_finish+0x652/0xdb0 [ 254.164984][ C0] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 254.165009][ C0] ? arch_jump_label_transform_queue+0xc0/0x120 [ 254.165037][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 254.165060][ C0] jump_label_update+0x376/0x550 [ 254.165083][ C0] static_key_disable_cpuslocked+0x158/0x1c0 [ 254.165105][ C0] static_key_disable+0x1a/0x20 [ 254.165126][ C0] toggle_allocation_gate+0x145/0x280 [ 254.165145][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 254.165166][ C0] ? rcu_is_watching+0x12/0xc0 [ 254.165189][ C0] process_one_work+0x9cf/0x1b70 [ 254.165215][ C0] ? __pfx_process_one_work+0x10/0x10 [ 254.165243][ C0] ? assign_work+0x1a0/0x250 [ 254.165262][ C0] worker_thread+0x6c8/0xf10 [ 254.165286][ C0] ? __kthread_parkme+0x19e/0x250 [ 254.165302][ C0] ? __pfx_worker_thread+0x10/0x10 [ 254.165321][ C0] kthread+0x3c2/0x780 [ 254.165339][ C0] ? __pfx_kthread+0x10/0x10 [ 254.165357][ C0] ? rcu_is_watching+0x12/0xc0 [ 254.165379][ C0] ? __pfx_kthread+0x10/0x10 [ 254.165397][ C0] ret_from_fork+0x56a/0x730 [ 254.165413][ C0] ? __pfx_kthread+0x10/0x10 [ 254.165430][ C0] ret_from_fork_asm+0x1a/0x30 [ 254.165458][ C0] [ 254.165763][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 254.464154][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 254.473328][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 254.483553][ T31] Call Trace: [ 254.486824][ T31] [ 254.489748][ T31] dump_stack_lvl+0x3d/0x1f0 [ 254.494346][ T31] vpanic+0x640/0x6f0 [ 254.498411][ T31] panic+0xca/0xd0 [ 254.502126][ T31] ? __pfx_panic+0x10/0x10 [ 254.506524][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 254.511878][ T31] ? nmi_trigger_cpumask_backtrace+0x1b1/0x300 [ 254.518022][ T31] ? watchdog+0xe48/0x1170 [ 254.522430][ T31] ? watchdog+0xe3b/0x1170 [ 254.526830][ T31] watchdog+0xe59/0x1170 [ 254.531076][ T31] ? rcu_is_watching+0x12/0xc0 [ 254.535824][ T31] ? __pfx_watchdog+0x10/0x10 [ 254.540476][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 254.545655][ T31] ? __kthread_parkme+0x19e/0x250 [ 254.550663][ T31] ? __pfx_watchdog+0x10/0x10 [ 254.555315][ T31] kthread+0x3c2/0x780 [ 254.562050][ T31] ? __pfx_kthread+0x10/0x10 [ 254.566620][ T31] ? rcu_is_watching+0x12/0xc0 [ 254.571363][ T31] ? __pfx_kthread+0x10/0x10 [ 254.575957][ T31] ret_from_fork+0x56a/0x730 [ 254.580521][ T31] ? __pfx_kthread+0x10/0x10 [ 254.585086][ T31] ret_from_fork_asm+0x1a/0x30 [ 254.589831][ T31] [ 254.593091][ T31] Kernel Offset: disabled [ 254.597391][ T31] Rebooting in 86400 seconds..