[ 78.707290][ T30] kauditd_printk_skb: 24 callbacks suppressed [ 78.707306][ T30] audit: type=1400 audit(1759500714.641:96): avc: denied { search } for pid=5940 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 [ 78.735829][ T30] audit: type=1400 audit(1759500714.641:97): avc: denied { search } for pid=5940 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 [ 78.758771][ T30] audit: type=1400 audit(1759500714.641:98): avc: denied { search } for pid=5940 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 [ 78.783489][ T30] audit: type=1400 audit(1759500714.641:99): avc: denied { search } for pid=5940 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 [ 78.806819][ T30] audit: type=1400 audit(1759500714.651:100): avc: denied { read open } for pid=5941 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 [ 78.833722][ T30] audit: type=1400 audit(1759500714.651:101): avc: denied { getattr } for pid=5941 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 [ 78.891910][ T30] audit: type=1400 audit(1759500714.831:102): avc: denied { add_name } for pid=5940 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 [ 78.947862][ T30] audit: type=1400 audit(1759500714.881:103): avc: denied { remove_name } for pid=5951 comm="rm" name="resolv.conf.eth1.ipv4ll" dev="tmpfs" ino=1907 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 81.373643][ T975] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.132' (ED25519) to the list of known hosts. 2025/10/03 14:11:59 ignoring optional flag "type"="gce" 2025/10/03 14:12:00 parsed 1 programs 2025/10/03 14:12:00 executed programs: 0 [ 84.104489][ T30] audit: type=1400 audit(1759500720.041:104): avc: denied { getattr } for pid=6000 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 [ 84.170190][ T30] audit: type=1400 audit(1759500720.101:105): avc: denied { create } for pid=6010 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 84.177998][ T5141] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 84.197080][ T30] audit: type=1400 audit(1759500720.111:106): avc: denied { ioctl } for pid=6010 comm="syz-executor.0" path="socket:[5552]" dev="sockfs" ino=5552 ioctlcmd=0x48c9 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 84.198836][ T5141] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 84.230369][ T5141] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 84.238695][ T5141] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 84.247135][ T5141] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 84.261303][ T30] audit: type=1400 audit(1759500720.191:107): avc: denied { mounton } for pid=6010 comm="syz-executor.0" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 84.365781][ T6010] chnl_net:caif_netlink_parms(): no params data found [ 84.420507][ T6010] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.427653][ T6010] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.434826][ T6010] bridge_slave_0: entered allmulticast mode [ 84.442312][ T6010] bridge_slave_0: entered promiscuous mode [ 84.450045][ T6010] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.457235][ T6010] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.464459][ T6010] bridge_slave_1: entered allmulticast mode [ 84.471162][ T6010] bridge_slave_1: entered promiscuous mode [ 84.494878][ T6010] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.505862][ T6010] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.530641][ T6010] team0: Port device team_slave_0 added [ 84.538416][ T6010] team0: Port device team_slave_1 added [ 84.558967][ T6010] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 84.565983][ T6010] 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. [ 84.592079][ T6010] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 84.604778][ T6010] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 84.611802][ T6010] 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. [ 84.638563][ T6010] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 84.673532][ T6010] hsr_slave_0: entered promiscuous mode [ 84.679761][ T6010] hsr_slave_1: entered promiscuous mode [ 85.109592][ T6010] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 85.122142][ T6010] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 85.132795][ T6010] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 85.145718][ T6010] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 85.176507][ T6010] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.183665][ T6010] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.191079][ T6010] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.198237][ T6010] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.267879][ T6010] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.287189][ T3512] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.295722][ T3512] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.312422][ T6010] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.335763][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.342913][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.359065][ T3512] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.366205][ T3512] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.580599][ T6010] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.639752][ T6010] veth0_vlan: entered promiscuous mode [ 85.655220][ T6010] veth1_vlan: entered promiscuous mode [ 85.690873][ T6010] veth0_macvtap: entered promiscuous mode [ 85.702552][ T6010] veth1_macvtap: entered promiscuous mode [ 85.723969][ T6010] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 85.739244][ T6010] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.757288][ T62] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.776235][ T62] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.791916][ T62] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.800636][ T62] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.834636][ T30] audit: type=1400 audit(1759500721.771:108): avc: denied { mounton } for pid=6010 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 [ 85.971596][ T6074] nbd0: detected capacity change from 0 to 63 [ 86.336416][ T5141] Bluetooth: hci0: command tx timeout [ 86.707290][ T51] block nbd0: Receive control failed (result -104) [ 88.411404][ T51] Bluetooth: hci0: command tx timeout [ 90.491471][ T51] Bluetooth: hci0: command tx timeout [ 92.571413][ T51] Bluetooth: hci0: command tx timeout [ 116.573741][ T55] block nbd0: Possible stuck request ffff888026530000: control (read@0,4096B). Runtime 30 seconds [ 132.573738][ T1294] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.580067][ T1294] ieee802154 phy1 wpan1: encryption failed: -22 2025/10/03 14:12:56 executed programs: 1 [ 141.907313][ T5141] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 141.914991][ T5141] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 141.922694][ T5141] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 141.930435][ T5141] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 141.938759][ T5141] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 142.054980][ T6208] chnl_net:caif_netlink_parms(): no params data found [ 142.106428][ T6208] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.113840][ T6208] bridge0: port 1(bridge_slave_0) entered disabled state [ 142.120939][ T6208] bridge_slave_0: entered allmulticast mode [ 142.127986][ T6208] bridge_slave_0: entered promiscuous mode [ 142.135824][ T6208] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.143103][ T6208] bridge0: port 2(bridge_slave_1) entered disabled state [ 142.150339][ T6208] bridge_slave_1: entered allmulticast mode [ 142.157218][ T6208] bridge_slave_1: entered promiscuous mode [ 142.180949][ T6208] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 142.192079][ T6208] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 142.218102][ T6208] team0: Port device team_slave_0 added [ 142.225576][ T6208] team0: Port device team_slave_1 added [ 142.246529][ T6208] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 142.253622][ T6208] 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. [ 142.279569][ T6208] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 142.291932][ T6208] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 142.298865][ T6208] 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. [ 142.324864][ T6208] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 142.357654][ T6208] hsr_slave_0: entered promiscuous mode [ 142.363790][ T6208] hsr_slave_1: entered promiscuous mode [ 142.369674][ T6208] debugfs: 'hsr0' already exists in 'hsr' [ 142.375644][ T6208] Cannot create hsr debugfs directory [ 142.450955][ T6208] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.500746][ T6208] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.570880][ T6208] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.661856][ T6208] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.752540][ T6208] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 142.761617][ T6208] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 142.770473][ T6208] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 142.779911][ T6208] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 142.800124][ T6208] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.807359][ T6208] bridge0: port 2(bridge_slave_1) entered forwarding state [ 142.814792][ T6208] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.821885][ T6208] bridge0: port 1(bridge_slave_0) entered forwarding state [ 142.865923][ T6208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 142.879672][ T3512] bridge0: port 1(bridge_slave_0) entered disabled state [ 142.887975][ T3512] bridge0: port 2(bridge_slave_1) entered disabled state [ 142.901209][ T6208] 8021q: adding VLAN 0 to HW filter on device team0 [ 142.914473][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.921597][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 142.933424][ T62] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.940567][ T62] bridge0: port 2(bridge_slave_1) entered forwarding state [ 143.074487][ T6208] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 143.107117][ T6208] veth0_vlan: entered promiscuous mode [ 143.117074][ T6208] veth1_vlan: entered promiscuous mode [ 143.139496][ T6208] veth0_macvtap: entered promiscuous mode [ 143.148702][ T6208] veth1_macvtap: entered promiscuous mode [ 143.164392][ T6208] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 143.177027][ T6208] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 143.189611][ T3512] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 143.198715][ T3512] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 143.212069][ T3512] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 143.220763][ T3512] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 144.011541][ T51] Bluetooth: hci1: command tx timeout [ 146.091347][ T51] Bluetooth: hci1: command tx timeout [ 146.271545][ T5191] udevd[5191]: worker [5996] /devices/virtual/block/nbd0 is taking a long time [ 146.652731][ T55] block nbd0: Possible stuck request ffff888026530000: control (read@0,4096B). Runtime 60 seconds [ 148.171844][ T51] Bluetooth: hci1: command tx timeout [ 150.251744][ T51] Bluetooth: hci1: command tx timeout [ 176.732767][ T55] block nbd0: Possible stuck request ffff888026530000: control (read@0,4096B). Runtime 90 seconds [ 194.013492][ T1294] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.019784][ T1294] ieee802154 phy1 wpan1: encryption failed: -22 2025/10/03 14:13:54 executed programs: 2 [ 199.293006][ T5141] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 199.300553][ T5141] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 199.308389][ T5141] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 199.316663][ T5141] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 199.324454][ T5141] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 199.439034][ T6238] chnl_net:caif_netlink_parms(): no params data found [ 199.493142][ T6238] bridge0: port 1(bridge_slave_0) entered blocking state [ 199.500237][ T6238] bridge0: port 1(bridge_slave_0) entered disabled state [ 199.507430][ T6238] bridge_slave_0: entered allmulticast mode [ 199.514238][ T6238] bridge_slave_0: entered promiscuous mode [ 199.522360][ T6238] bridge0: port 2(bridge_slave_1) entered blocking state [ 199.529426][ T6238] bridge0: port 2(bridge_slave_1) entered disabled state [ 199.536630][ T6238] bridge_slave_1: entered allmulticast mode [ 199.543874][ T6238] bridge_slave_1: entered promiscuous mode [ 199.566015][ T6238] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 199.576883][ T6238] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 199.603146][ T6238] team0: Port device team_slave_0 added [ 199.610224][ T6238] team0: Port device team_slave_1 added [ 199.633385][ T6238] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 199.640324][ T6238] 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. [ 199.666311][ T6238] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 199.678356][ T6238] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 199.685544][ T6238] 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. [ 199.712241][ T6238] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 199.745070][ T6238] hsr_slave_0: entered promiscuous mode [ 199.751307][ T6238] hsr_slave_1: entered promiscuous mode [ 199.757218][ T6238] debugfs: 'hsr0' already exists in 'hsr' [ 199.763094][ T6238] Cannot create hsr debugfs directory [ 199.841067][ T6238] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 199.951103][ T6238] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 200.021041][ T6238] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 200.104284][ T6238] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 200.206422][ T6238] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 200.215882][ T6238] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 200.228302][ T6238] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 200.237836][ T6238] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 200.259021][ T6238] bridge0: port 2(bridge_slave_1) entered blocking state [ 200.266116][ T6238] bridge0: port 2(bridge_slave_1) entered forwarding state [ 200.273575][ T6238] bridge0: port 1(bridge_slave_0) entered blocking state [ 200.280650][ T6238] bridge0: port 1(bridge_slave_0) entered forwarding state [ 200.322105][ T6238] 8021q: adding VLAN 0 to HW filter on device bond0 [ 200.337172][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 200.346369][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 200.359130][ T6238] 8021q: adding VLAN 0 to HW filter on device team0 [ 200.372061][ T62] bridge0: port 1(bridge_slave_0) entered blocking state [ 200.379191][ T62] bridge0: port 1(bridge_slave_0) entered forwarding state [ 200.390871][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 200.397995][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 200.525156][ T6238] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 200.559769][ T6238] veth0_vlan: entered promiscuous mode [ 200.569441][ T6238] veth1_vlan: entered promiscuous mode [ 200.593040][ T6238] veth0_macvtap: entered promiscuous mode [ 200.603064][ T6238] veth1_macvtap: entered promiscuous mode [ 200.618429][ T6238] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 200.631400][ T6238] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 200.644584][ T62] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 200.653537][ T62] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 200.663501][ T62] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 200.677538][ T62] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 201.371902][ T51] Bluetooth: hci2: command tx timeout [ 203.451377][ T51] Bluetooth: hci2: command tx timeout [ 205.532153][ T51] Bluetooth: hci2: command tx timeout [ 206.821688][ T11] block nbd0: Possible stuck request ffff888026530000: control (read@0,4096B). Runtime 120 seconds [ 207.611468][ T51] Bluetooth: hci2: command tx timeout [ 211.451427][ T5141] Bluetooth: hci0: command 0x0406 tx timeout [ 236.891816][ T11] block nbd0: Possible stuck request ffff888026530000: control (read@0,4096B). Runtime 150 seconds [ 245.851554][ T31] INFO: task syz-executor.0:6069 blocked for more than 143 seconds. [ 245.859586][ T31] Not tainted syzkaller #0 [ 245.864580][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 245.873268][ T31] task:syz-executor.0 state:D stack:27336 pid:6069 tgid:6068 ppid:6010 task_flags:0x400140 flags:0x00080003 [ 245.885205][ T31] Call Trace: [ 245.888472][ T31] [ 245.891428][ T31] __schedule+0x1190/0x5de0 [ 245.895955][ T31] ? __lock_acquire+0x62e/0x1ce0 [ 245.900869][ T31] ? __pfx___schedule+0x10/0x10 [ 245.905761][ T31] ? find_held_lock+0x2b/0x80 [ 245.910433][ T31] ? schedule+0x2d7/0x3a0 [ 245.914857][ T31] ? bdev_release+0x15a/0x6d0 [ 245.919543][ T31] schedule+0xe7/0x3a0 [ 245.923655][ T31] schedule_preempt_disabled+0x13/0x30 [ 245.929120][ T31] __mutex_lock+0x818/0x1060 [ 245.933813][ T31] ? bdev_release+0x15a/0x6d0 [ 245.938541][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 245.943607][ T31] ? find_held_lock+0x2b/0x80 [ 245.948291][ T31] ? do_raw_spin_unlock+0x172/0x230 [ 245.953552][ T31] ? bdev_release+0x15a/0x6d0 [ 245.958222][ T31] bdev_release+0x15a/0x6d0 [ 245.962771][ T31] ? __pfx_blkdev_release+0x10/0x10 [ 245.967971][ T31] blkdev_release+0x15/0x20 [ 245.972591][ T31] __fput+0x402/0xb70 [ 245.976582][ T31] task_work_run+0x150/0x240 [ 245.981155][ T31] ? __pfx_task_work_run+0x10/0x10 [ 245.986290][ T31] get_signal+0x1d0/0x26d0 [ 245.990710][ T31] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 245.996838][ T31] ? __pfx_get_signal+0x10/0x10 [ 246.001742][ T31] ? task_work_add+0x1d5/0x360 [ 246.006501][ T31] ? __pfx_task_work_add+0x10/0x10 [ 246.011951][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 246.018080][ T31] arch_do_signal_or_restart+0x8f/0x7c0 [ 246.023674][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 246.029834][ T31] exit_to_user_mode_loop+0x85/0x130 [ 246.035167][ T31] do_syscall_64+0x419/0x4e0 [ 246.039765][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 246.045702][ T31] RIP: 0033:0x7f812d87c859 [ 246.050126][ T31] RSP: 002b:00007f812e5bf0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 246.058583][ T31] RAX: 0000000000000000 RBX: 00007f812d99bf80 RCX: 00007f812d87c859 [ 246.066596][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 246.074593][ T31] RBP: 00007f812d8d8ad0 R08: 0000000000000000 R09: 0000000000000000 [ 246.082626][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 246.090588][ T31] R13: 000000000000000b R14: 00007f812d99bf80 R15: 00007ffd758fe4c8 [ 246.098603][ T31] [ 246.101652][ T31] [ 246.101652][ T31] Showing all locks held in the system: [ 246.109340][ T31] 1 lock held by khungtaskd/31: [ 246.114245][ T31] #0: ffffffff8e1c4120 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 246.124138][ T31] 2 locks held by getty/5575: [ 246.128800][ T31] #0: ffff888035ab50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 246.138581][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 [ 246.148717][ T31] 1 lock held by udevd/5996: [ 246.153331][ T31] #0: ffff8880264c7358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 246.162673][ T31] 1 lock held by syz-executor.0/6069: [ 246.168021][ T31] #0: ffff8880264c7358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 [ 246.177764][ T31] 1 lock held by syz-executor.0/6228: [ 246.183201][ T31] #0: ffff8880264c7358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 246.192655][ T31] 1 lock held by syz-executor.0/6258: [ 246.198019][ T31] #0: ffff8880264c7358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 246.207359][ T31] [ 246.209669][ T31] ============================================= [ 246.209669][ T31] [ 246.218135][ T31] NMI backtrace for cpu 1 [ 246.218157][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 246.218178][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 246.218187][ T31] Call Trace: [ 246.218193][ T31] [ 246.218200][ T31] dump_stack_lvl+0x116/0x1f0 [ 246.218250][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 246.218270][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 246.218291][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 246.218315][ T31] watchdog+0xf3f/0x1170 [ 246.218346][ T31] ? rcu_is_watching+0x12/0xc0 [ 246.218371][ T31] ? __pfx_watchdog+0x10/0x10 [ 246.218395][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 246.218423][ T31] ? __kthread_parkme+0x19e/0x250 [ 246.218443][ T31] ? __pfx_watchdog+0x10/0x10 [ 246.218468][ T31] kthread+0x3c2/0x780 [ 246.218491][ T31] ? __pfx_kthread+0x10/0x10 [ 246.218515][ T31] ? rcu_is_watching+0x12/0xc0 [ 246.218541][ T31] ? __pfx_kthread+0x10/0x10 [ 246.218563][ T31] ret_from_fork+0x56a/0x730 [ 246.218582][ T31] ? __pfx_kthread+0x10/0x10 [ 246.218604][ T31] ret_from_fork_asm+0x1a/0x30 [ 246.218641][ T31] [ 246.218648][ T31] Sending NMI from CPU 1 to CPUs 0: [ 246.338499][ C0] NMI backtrace for cpu 0 [ 246.338515][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 246.338534][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 246.338544][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 246.338571][ C0] Code: ae 60 02 e9 d3 09 03 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 2e 1e 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 246.338586][ C0] RSP: 0018:ffffffff8de07e08 EFLAGS: 000002c6 [ 246.338600][ C0] RAX: 00000000001036d1 RBX: 0000000000000000 RCX: ffffffff8b4bda89 [ 246.338610][ C0] RDX: 0000000000000000 RSI: ffffffff8d820d97 RDI: ffffffff8bd011c0 [ 246.338621][ C0] RBP: fffffbfff1bd2f40 R08: 0000000000000001 R09: ffffed10170c6655 [ 246.338632][ C0] R10: ffff8880b86332ab R11: 0000000000000000 R12: 0000000000000000 [ 246.338641][ C0] R13: ffffffff8de97a00 R14: ffffffff905f3590 R15: 0000000000000000 [ 246.338652][ C0] FS: 0000000000000000(0000) GS:ffff888124e85000(0000) knlGS:0000000000000000 [ 246.338667][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 246.338678][ C0] CR2: 000055fc18ab4660 CR3: 000000000df82000 CR4: 00000000003526f0 [ 246.338689][ C0] Call Trace: [ 246.338695][ C0] [ 246.338700][ C0] default_idle+0x13/0x20 [ 246.338716][ C0] default_idle_call+0x6c/0xb0 [ 246.338731][ C0] do_idle+0x38d/0x500 [ 246.338755][ C0] ? __pfx_do_idle+0x10/0x10 [ 246.338777][ C0] ? trace_sched_exit_tp+0x2f/0x120 [ 246.338800][ C0] cpu_startup_entry+0x4f/0x60 [ 246.338822][ C0] rest_init+0x16b/0x2b0 [ 246.338838][ C0] ? acpi_subsystem_init+0x133/0x180 [ 246.338865][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 246.338881][ C0] start_kernel+0x3f3/0x4e0 [ 246.338905][ C0] x86_64_start_reservations+0x18/0x30 [ 246.338930][ C0] x86_64_start_kernel+0x130/0x190 [ 246.338954][ C0] common_startup_64+0x13e/0x148 [ 246.338980][ C0] [ 246.339633][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 246.339647][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 246.339670][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 246.339681][ T31] Call Trace: [ 246.339688][ T31] [ 246.339696][ T31] dump_stack_lvl+0x3d/0x1f0 [ 246.339725][ T31] vpanic+0x640/0x6f0 [ 246.339747][ T31] panic+0xca/0xd0 [ 246.339766][ T31] ? __pfx_panic+0x10/0x10 [ 246.339786][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 246.339815][ T31] ? nmi_trigger_cpumask_backtrace+0x1b1/0x300 [ 246.339838][ T31] ? watchdog+0xe48/0x1170 [ 246.339862][ T31] ? watchdog+0xe3b/0x1170 [ 246.339888][ T31] watchdog+0xe59/0x1170 [ 246.339917][ T31] ? rcu_is_watching+0x12/0xc0 [ 246.339944][ T31] ? __pfx_watchdog+0x10/0x10 [ 246.339967][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 246.339994][ T31] ? __kthread_parkme+0x19e/0x250 [ 246.340014][ T31] ? __pfx_watchdog+0x10/0x10 [ 246.340039][ T31] kthread+0x3c2/0x780 [ 246.340060][ T31] ? __pfx_kthread+0x10/0x10 [ 246.340084][ T31] ? rcu_is_watching+0x12/0xc0 [ 246.340109][ T31] ? __pfx_kthread+0x10/0x10 [ 246.340131][ T31] ret_from_fork+0x56a/0x730 [ 246.340151][ T31] ? __pfx_kthread+0x10/0x10 [ 246.340173][ T31] ret_from_fork_asm+0x1a/0x30 [ 246.340213][ T31] [ 246.660105][ T31] Kernel Offset: disabled [ 246.664402][ T31] Rebooting in 86400 seconds..