Warning: Permanently added '10.128.1.25' (ED25519) to the list of known hosts.
2026/01/18 17:40:54 ignoring optional flag "type"="gce"
2026/01/18 17:40:54 parsed 1 programs
[ 92.557475][ T30] kauditd_printk_skb: 24 callbacks suppressed
[ 92.557490][ T30] audit: type=1400 audit(1768758054.708:96): avc: denied { unlink } for pid=6001 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t"
2026/01/18 17:40:56 executed programs: 0
[ 93.997647][ T6001] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 94.043997][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 94.052231][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 94.060466][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 94.068523][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 94.077063][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 94.196980][ T6007] chnl_net:caif_netlink_parms(): no params data found
[ 94.250639][ T6007] bridge0: port 1(bridge_slave_0) entered blocking state
[ 94.257834][ T6007] bridge0: port 1(bridge_slave_0) entered disabled state
[ 94.265143][ T6007] bridge_slave_0: entered allmulticast mode
[ 94.271882][ T6007] bridge_slave_0: entered promiscuous mode
[ 94.280387][ T6007] bridge0: port 2(bridge_slave_1) entered blocking state
[ 94.287883][ T6007] bridge0: port 2(bridge_slave_1) entered disabled state
[ 94.295181][ T6007] bridge_slave_1: entered allmulticast mode
[ 94.302079][ T6007] bridge_slave_1: entered promiscuous mode
[ 94.330624][ T6007] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 94.342014][ T6007] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 94.369451][ T6007] team0: Port device team_slave_0 added
[ 94.377233][ T6007] team0: Port device team_slave_1 added
[ 94.398525][ T6007] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 94.405516][ T6007] 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.
[ 94.431685][ T6007] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 94.443617][ T6007] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 94.451291][ T6007] 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.
[ 94.477512][ T6007] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 94.512049][ T6007] hsr_slave_0: entered promiscuous mode
[ 94.518216][ T6007] hsr_slave_1: entered promiscuous mode
[ 94.956258][ T6007] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 94.975580][ T6007] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 94.987291][ T6007] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 94.998641][ T6007] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 95.058364][ T6007] bridge0: port 2(bridge_slave_1) entered blocking state
[ 95.065619][ T6007] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 95.073052][ T6007] bridge0: port 1(bridge_slave_0) entered blocking state
[ 95.080321][ T6007] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 95.152011][ T6007] 8021q: adding VLAN 0 to HW filter on device bond0
[ 95.171855][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 95.180706][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 95.199712][ T6007] 8021q: adding VLAN 0 to HW filter on device team0
[ 95.212903][ T3536] bridge0: port 1(bridge_slave_0) entered blocking state
[ 95.220075][ T3536] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 95.240986][ T1149] bridge0: port 2(bridge_slave_1) entered blocking state
[ 95.248287][ T1149] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 95.472659][ T6007] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 95.520571][ T6007] veth0_vlan: entered promiscuous mode
[ 95.533789][ T6007] veth1_vlan: entered promiscuous mode
[ 95.562025][ T6007] veth0_macvtap: entered promiscuous mode
[ 95.580149][ T6007] veth1_macvtap: entered promiscuous mode
[ 95.598066][ T6007] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 95.623478][ T6007] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 95.639661][ T3536] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.663706][ T3536] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.693379][ T3536] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.706591][ T3536] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 95.846460][ T6072] nbd0: detected capacity change from 0 to 2
[ 96.155548][ T51] Bluetooth: hci0: command tx timeout
[ 96.614098][ T5135] block nbd0: Receive control failed (result -104)
[ 98.234335][ T5135] Bluetooth: hci0: command tx timeout
[ 100.314811][ T5135] Bluetooth: hci0: command tx timeout
[ 102.404335][ T5135] Bluetooth: hci0: command tx timeout
[ 126.315685][ T11] block nbd0: Possible stuck request ffff888026910000: control (read@0,1024B). Runtime 30 seconds
[ 132.717281][ T1297] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.723582][ T1297] ieee802154 phy1 wpan1: encryption failed: -22
2026/01/18 17:41:52 executed programs: 1
[ 151.776344][ T51] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[ 151.785997][ T51] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[ 151.793550][ T51] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[ 151.801896][ T51] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[ 151.809696][ T51] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[ 151.926338][ T6207] chnl_net:caif_netlink_parms(): no params data found
[ 151.980332][ T6207] bridge0: port 1(bridge_slave_0) entered blocking state
[ 151.987576][ T6207] bridge0: port 1(bridge_slave_0) entered disabled state
[ 151.994802][ T6207] bridge_slave_0: entered allmulticast mode
[ 152.001597][ T6207] bridge_slave_0: entered promiscuous mode
[ 152.009098][ T6207] bridge0: port 2(bridge_slave_1) entered blocking state
[ 152.016553][ T6207] bridge0: port 2(bridge_slave_1) entered disabled state
[ 152.023828][ T6207] bridge_slave_1: entered allmulticast mode
[ 152.031480][ T6207] bridge_slave_1: entered promiscuous mode
[ 152.055526][ T6207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 152.066846][ T6207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 152.092285][ T6207] team0: Port device team_slave_0 added
[ 152.099453][ T6207] team0: Port device team_slave_1 added
[ 152.121173][ T6207] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 152.128690][ T6207] 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.
[ 152.154596][ T6207] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 152.166639][ T6207] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 152.174023][ T6207] 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.
[ 152.200220][ T6207] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 152.236045][ T6207] hsr_slave_0: entered promiscuous mode
[ 152.242246][ T6207] hsr_slave_1: entered promiscuous mode
[ 152.248375][ T6207] debugfs: 'hsr0' already exists in 'hsr'
[ 152.254165][ T6207] Cannot create hsr debugfs directory
[ 152.336575][ T6207] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 152.395189][ T6207] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 152.464959][ T6207] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 152.524818][ T6207] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 152.622988][ T6207] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 152.632487][ T6207] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 152.647282][ T6207] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 152.656578][ T6207] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 152.678616][ T6207] bridge0: port 2(bridge_slave_1) entered blocking state
[ 152.685725][ T6207] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 152.693079][ T6207] bridge0: port 1(bridge_slave_0) entered blocking state
[ 152.700204][ T6207] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 152.741940][ T6207] 8021q: adding VLAN 0 to HW filter on device bond0
[ 152.757431][ T3536] bridge0: port 1(bridge_slave_0) entered disabled state
[ 152.765436][ T3536] bridge0: port 2(bridge_slave_1) entered disabled state
[ 152.780052][ T6207] 8021q: adding VLAN 0 to HW filter on device team0
[ 152.792360][ T2205] bridge0: port 1(bridge_slave_0) entered blocking state
[ 152.799545][ T2205] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 152.811658][ T3536] bridge0: port 2(bridge_slave_1) entered blocking state
[ 152.818779][ T3536] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 152.950113][ T6207] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 152.983538][ T6207] veth0_vlan: entered promiscuous mode
[ 152.993965][ T6207] veth1_vlan: entered promiscuous mode
[ 153.016153][ T6207] veth0_macvtap: entered promiscuous mode
[ 153.026762][ T6207] veth1_macvtap: entered promiscuous mode
[ 153.041490][ T6207] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 153.053884][ T6207] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 153.066474][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 153.075689][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 153.087250][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 153.096392][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 153.834651][ T5135] Bluetooth: hci1: command tx timeout
[ 155.914356][ T5135] Bluetooth: hci1: command tx timeout
[ 156.157542][ T5185] udevd[5185]: worker [6009] /devices/virtual/block/nbd0 is taking a long time
[ 156.395299][ T25] block nbd0: Possible stuck request ffff888026910000: control (read@0,1024B). Runtime 60 seconds
[ 157.994818][ T5135] Bluetooth: hci1: command tx timeout
[ 160.074322][ T5135] Bluetooth: hci1: command tx timeout
[ 186.494334][ T11] block nbd0: Possible stuck request ffff888026910000: control (read@0,1024B). Runtime 90 seconds
[ 194.156755][ T1297] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.163130][ T1297] ieee802154 phy1 wpan1: encryption failed: -22
2026/01/18 17:42:50 executed programs: 2
[ 209.188481][ T51] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[ 209.196228][ T51] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[ 209.203717][ T51] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[ 209.212606][ T51] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[ 209.220859][ T51] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[ 209.337458][ T6238] chnl_net:caif_netlink_parms(): no params data found
[ 209.392913][ T6238] bridge0: port 1(bridge_slave_0) entered blocking state
[ 209.400492][ T6238] bridge0: port 1(bridge_slave_0) entered disabled state
[ 209.407860][ T6238] bridge_slave_0: entered allmulticast mode
[ 209.414772][ T6238] bridge_slave_0: entered promiscuous mode
[ 209.422526][ T6238] bridge0: port 2(bridge_slave_1) entered blocking state
[ 209.429733][ T6238] bridge0: port 2(bridge_slave_1) entered disabled state
[ 209.438013][ T6238] bridge_slave_1: entered allmulticast mode
[ 209.444926][ T6238] bridge_slave_1: entered promiscuous mode
[ 209.468637][ T6238] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 209.480574][ T6238] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 209.506255][ T6238] team0: Port device team_slave_0 added
[ 209.513468][ T6238] team0: Port device team_slave_1 added
[ 209.538560][ T6238] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 209.545556][ 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.
[ 209.571481][ T6238] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 209.584098][ T6238] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 209.591237][ 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.
[ 209.620010][ T6238] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 209.653662][ T6238] hsr_slave_0: entered promiscuous mode
[ 209.660312][ T6238] hsr_slave_1: entered promiscuous mode
[ 209.666397][ T6238] debugfs: 'hsr0' already exists in 'hsr'
[ 209.672117][ T6238] Cannot create hsr debugfs directory
[ 209.751120][ T6238] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 209.814731][ T6238] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 209.894028][ T6238] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 209.966746][ T6238] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 210.069721][ T6238] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 210.079367][ T6238] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 210.088795][ T6238] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 210.098220][ T6238] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 210.119473][ T6238] bridge0: port 2(bridge_slave_1) entered blocking state
[ 210.126595][ T6238] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 210.133940][ T6238] bridge0: port 1(bridge_slave_0) entered blocking state
[ 210.141073][ T6238] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 210.183430][ T6238] 8021q: adding VLAN 0 to HW filter on device bond0
[ 210.199634][ T2205] bridge0: port 1(bridge_slave_0) entered disabled state
[ 210.208954][ T2205] bridge0: port 2(bridge_slave_1) entered disabled state
[ 210.222437][ T6238] 8021q: adding VLAN 0 to HW filter on device team0
[ 210.235487][ T3536] bridge0: port 1(bridge_slave_0) entered blocking state
[ 210.243020][ T3536] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 210.255296][ T2205] bridge0: port 2(bridge_slave_1) entered blocking state
[ 210.262881][ T2205] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 210.391491][ T6238] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 210.428533][ T6238] veth0_vlan: entered promiscuous mode
[ 210.438296][ T6238] veth1_vlan: entered promiscuous mode
[ 210.460263][ T6238] veth0_macvtap: entered promiscuous mode
[ 210.469891][ T6238] veth1_macvtap: entered promiscuous mode
[ 210.483679][ T6238] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 210.496731][ T6238] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 210.509375][ T2205] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 210.518819][ T2205] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 210.529236][ T2205] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 210.538854][ T2205] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 211.274399][ T51] Bluetooth: hci2: command tx timeout
[ 213.355117][ T51] Bluetooth: hci2: command tx timeout
[ 215.434783][ T5135] Bluetooth: hci2: command tx timeout
[ 216.555428][ T11] block nbd0: Possible stuck request ffff888026910000: control (read@0,1024B). Runtime 120 seconds
[ 216.714471][ T5135] Bluetooth: hci0: command 0x0406 tx timeout
[ 217.514395][ T51] Bluetooth: hci2: command tx timeout
[ 246.654354][ T11] block nbd0: Possible stuck request ffff888026910000: control (read@0,1024B). Runtime 150 seconds
[ 253.034495][ T31] INFO: task udevd:6009 blocked for more than 143 seconds.
[ 253.041717][ T31] Not tainted syzkaller #0
[ 253.047555][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 253.056367][ T31] task:udevd state:D stack:27528 pid:6009 tgid:6009 ppid:5185 task_flags:0x400140 flags:0x00080000
[ 253.068388][ T31] Call Trace:
[ 253.071663][ T31]
[ 253.074629][ T31] ? __schedule+0x10b9/0x6150
[ 253.079350][ T31] __schedule+0x1139/0x6150
[ 253.083845][ T31] ? __lock_acquire+0x436/0x2890
[ 253.088824][ T31] ? __pfx___schedule+0x10/0x10
[ 253.093701][ T31] ? find_held_lock+0x2b/0x80
[ 253.098412][ T31] ? schedule+0x2d7/0x3a0
[ 253.102741][ T31] schedule+0xe7/0x3a0
[ 253.106841][ T31] schedule_preempt_disabled+0x13/0x30
[ 253.112390][ T31] __mutex_lock+0xc69/0x1ca0
[ 253.117203][ T31] ? bdev_open+0x41a/0xe40
[ 253.121628][ T31] ? find_held_lock+0x2b/0x80
[ 253.126346][ T31] ? find_held_lock+0x2b/0x80
[ 253.131036][ T31] ? __pfx___mutex_lock+0x10/0x10
[ 253.136107][ T31] ? bdev_open+0x41a/0xe40
[ 253.140530][ T31] bdev_open+0x41a/0xe40
[ 253.144807][ T31] ? iput+0x35/0x40
[ 253.148613][ T31] blkdev_open+0x34e/0x4f0
[ 253.153024][ T31] do_dentry_open+0x748/0x1590
[ 253.157842][ T31] ? __pfx_blkdev_open+0x10/0x10
[ 253.162782][ T31] vfs_open+0x82/0x3f0
[ 253.167076][ T31] path_openat+0x2078/0x3140
[ 253.171677][ T31] ? __pfx_path_openat+0x10/0x10
[ 253.176650][ T31] do_filp_open+0x20b/0x470
[ 253.181179][ T31] ? __pfx_do_filp_open+0x10/0x10
[ 253.186263][ T31] ? alloc_fd+0x471/0x7d0
[ 253.190602][ T31] do_sys_openat2+0x121/0x290
[ 253.195466][ T31] ? __pfx_do_sys_openat2+0x10/0x10
[ 253.200676][ T31] ? __sys_recvmsg+0x189/0x220
[ 253.205620][ T31] ? __pfx___sys_recvmsg+0x10/0x10
[ 253.210770][ T31] __x64_sys_openat+0x174/0x210
[ 253.215661][ T31] ? __pfx___x64_sys_openat+0x10/0x10
[ 253.221037][ T31] do_syscall_64+0xcd/0xf80
[ 253.225590][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.231480][ T31] RIP: 0033:0x7eff15ea7407
[ 253.235937][ T31] RSP: 002b:00007ffc3ce2fc30 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[ 253.244402][ T31] RAX: ffffffffffffffda RBX: 00007eff1658d880 RCX: 00007eff15ea7407
[ 253.252355][ T31] RDX: 00000000000a0800 RSI: 00005620460f34d0 RDI: ffffffffffffff9c
[ 253.260376][ T31] RBP: 00005620460f02c0 R08: 0000000000000000 R09: 0000000000000000
[ 253.268368][ T31] R10: 0000000000000000 R11: 0000000000000202 R12: 00005620463320c0
[ 253.276450][ T31] R13: 000056204632b8d0 R14: 0000000000000000 R15: 00005620463320c0
[ 253.284458][ T31]
[ 253.287576][ T31] INFO: task syz-executor.0:6071 blocked for more than 143 seconds.
[ 253.295668][ T31] Not tainted syzkaller #0
[ 253.300601][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 253.309324][ T31] task:syz-executor.0 state:D stack:26600 pid:6071 tgid:6071 ppid:6007 task_flags:0x400040 flags:0x00080002
[ 253.321362][ T31] Call Trace:
[ 253.324696][ T31]
[ 253.327622][ T31] ? __schedule+0x10b9/0x6150
[ 253.332351][ T31] __schedule+0x1139/0x6150
[ 253.336883][ T31] ? __lock_acquire+0x436/0x2890
[ 253.341814][ T31] ? __pfx___schedule+0x10/0x10
[ 253.346703][ T31] ? find_held_lock+0x2b/0x80
[ 253.351392][ T31] ? schedule+0x2d7/0x3a0
[ 253.355865][ T31] schedule+0xe7/0x3a0
[ 253.360127][ T31] schedule_preempt_disabled+0x13/0x30
[ 253.365713][ T31] __mutex_lock+0xc69/0x1ca0
[ 253.370340][ T31] ? bdev_release+0x15a/0x6d0
[ 253.375330][ T31] ? __pfx___mutex_lock+0x10/0x10
[ 253.380359][ T31] ? find_held_lock+0x2b/0x80
[ 253.385061][ T31] ? do_raw_spin_unlock+0x172/0x230
[ 253.390260][ T31] ? bdev_release+0x15a/0x6d0
[ 253.394949][ T31] bdev_release+0x15a/0x6d0
[ 253.399451][ T31] ? __pfx_blkdev_release+0x10/0x10
[ 253.404673][ T31] blkdev_release+0x15/0x20
[ 253.409168][ T31] __fput+0x402/0xb70
[ 253.413128][ T31] fput_close_sync+0x118/0x260
[ 253.417913][ T31] ? __pfx_fput_close_sync+0x10/0x10
[ 253.423253][ T31] ? dnotify_flush+0x79/0x4c0
[ 253.427990][ T31] __x64_sys_close+0x8b/0x120
[ 253.432667][ T31] do_syscall_64+0xcd/0xf80
[ 253.437310][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.443205][ T31] RIP: 0033:0x7fa12787b9da
[ 253.447655][ T31] RSP: 002b:00007ffd6b4d6290 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 253.456098][ T31] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa12787b9da
[ 253.464077][ T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
[ 253.472173][ T31] RBP: 00007fa12799d980 R08: 0000001b33260000 R09: 00007fa128673000
[ 253.480207][ T31] R10: 0000000000000001 R11: 0000000000000293 R12: 0000000000017942
[ 253.488206][ T31] R13: ffffffffffffffff R14: 00007fa127400000 R15: 0000000000017601
[ 253.496215][ T31]
[ 253.499215][ T31] INFO: task syz-executor.0:6078 blocked for more than 143 seconds.
[ 253.507226][ T31] Not tainted syzkaller #0
[ 253.512148][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 253.520831][ T31] task:syz-executor.0 state:D stack:24136 pid:6078 tgid:6071 ppid:6007 task_flags:0x400140 flags:0x00080002
[ 253.532795][ T31] Call Trace:
[ 253.536089][ T31]
[ 253.539026][ T31] ? __schedule+0x10b9/0x6150
[ 253.543686][ T31] __schedule+0x1139/0x6150
[ 253.548225][ T31] ? __lock_acquire+0x436/0x2890
[ 253.553173][ T31] ? __pfx___schedule+0x10/0x10
[ 253.558092][ T31] ? find_held_lock+0x2b/0x80
[ 253.562891][ T31] ? schedule+0x2d7/0x3a0
[ 253.567281][ T31] schedule+0xe7/0x3a0
[ 253.571357][ T31] io_schedule+0xbf/0x130
[ 253.575723][ T31] folio_wait_bit_common+0x3d5/0x9e0
[ 253.581019][ T31] ? folio_wait_bit_common+0x13a/0x9e0
[ 253.586573][ T31] ? __pfx_folio_wait_bit_common+0x10/0x10
[ 253.592389][ T31] ? filemap_read_folio+0xe1/0x2a0
[ 253.597645][ T31] ? __pfx_filemap_read_folio+0x10/0x10
[ 253.603202][ T31] ? __pfx_wake_page_function+0x10/0x10
[ 253.608797][ T31] ? __filemap_get_folio_mpol+0x32f/0xc60
[ 253.614549][ T31] do_read_cache_folio+0x345/0x5c0
[ 253.619648][ T31] ? __pfx_blkdev_read_folio+0x10/0x10
[ 253.625128][ T31] read_part_sector+0xd4/0x370
[ 253.629896][ T31] ? __pfx_adfspart_check_POWERTEC+0x10/0x10
[ 253.635942][ T31] adfspart_check_POWERTEC+0x8a/0x710
[ 253.641404][ T31] ? __pfx_adfspart_check_POWERTEC+0x10/0x10
[ 253.647439][ T31] ? __pfx_adfspart_check_POWERTEC+0x10/0x10
[ 253.653428][ T31] bdev_disk_changed+0x723/0x1520
[ 253.658501][ T31] ? __pfx_bdev_disk_changed+0x10/0x10
[ 253.663977][ T31] blkdev_get_whole+0x187/0x290
[ 253.668855][ T31] bdev_open+0x2c7/0xe40
[ 253.673104][ T31] bdev_file_open_by_dev+0x182/0x210
[ 253.678429][ T31] disk_scan_partitions+0x1ed/0x320
[ 253.683629][ T31] blkdev_common_ioctl+0x420/0x2b80
[ 253.688858][ T31] ? __pfx_blkdev_common_ioctl+0x10/0x10
[ 253.694528][ T31] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 253.700411][ T31] ? do_vfs_ioctl+0x128/0x14f0
[ 253.705207][ T31] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 253.710246][ T31] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 253.717155][ T31] blkdev_ioctl+0x2b5/0x6e0
[ 253.721681][ T31] ? __pfx_blkdev_ioctl+0x10/0x10
[ 253.726770][ T31] ? selinux_file_ioctl+0x180/0x270
[ 253.732407][ T31] ? selinux_file_ioctl+0xb4/0x270
[ 253.737607][ T31] ? __pfx_blkdev_ioctl+0x10/0x10
[ 253.742636][ T31] __x64_sys_ioctl+0x18e/0x210
[ 253.747525][ T31] do_syscall_64+0xcd/0xf80
[ 253.752062][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.758268][ T31] RIP: 0033:0x7fa12787cae9
[ 253.762691][ T31] RSP: 002b:00007fa1286510c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 253.771149][ T31] RAX: ffffffffffffffda RBX: 00007fa12799c050 RCX: 00007fa12787cae9
[ 253.779245][ T31] RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000003
[ 253.787265][ T31] RBP: 00007fa1278c847a R08: 0000000000000000 R09: 0000000000000000
[ 253.795454][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 253.803515][ T31] R13: 000000000000006e R14: 00007fa12799c050 R15: 00007ffd6b4d61c8
[ 253.811634][ T31]
[ 253.814693][ T31]
[ 253.814693][ T31] Showing all locks held in the system:
[ 253.822397][ T31] 1 lock held by khungtaskd/31:
[ 253.827388][ T31] #0: ffffffff8e3c96a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0
[ 253.837654][ T31] 2 locks held by getty/5571:
[ 253.842767][ T31] #0: ffff8880317150a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[ 253.852570][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x1510
[ 253.862809][ T31] 1 lock held by udevd/6009:
[ 253.867556][ T31] #0: ffff888141b76358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40
[ 253.876942][ T31] 1 lock held by syz-executor.0/6071:
[ 253.882310][ T31] #0: ffff888141b76358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0
[ 253.891945][ T31] 1 lock held by syz-executor.0/6078:
[ 253.897354][ T31] #0: ffff888141b76358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40
[ 253.906714][ T31] 1 lock held by syz-executor.0/6228:
[ 253.912079][ T31] #0: ffff888141b76358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40
[ 253.921475][ T31] 1 lock held by syz-executor.0/6229:
[ 253.926869][ T31] #0: ffff888141b76358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40
[ 253.936244][ T31] 1 lock held by syz-executor.0/6257:
[ 253.941611][ T31] #0: ffff888141b76358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40
[ 253.950975][ T31] 1 lock held by syz-executor.0/6258:
[ 253.956361][ T31] #0: ffff888141b76358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40
[ 253.965811][ T31]
[ 253.968166][ T31] =============================================
[ 253.968166][ T31]
[ 253.976761][ T31] NMI backtrace for cpu 1
[ 253.976795][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 253.976813][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 253.976821][ T31] Call Trace:
[ 253.976827][ T31]
[ 253.976832][ T31] dump_stack_lvl+0x116/0x1f0
[ 253.976860][ T31] nmi_cpu_backtrace+0x27b/0x390
[ 253.976876][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 253.976895][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300
[ 253.976913][ T31] sys_info+0x133/0x180
[ 253.976937][ T31] watchdog+0xe66/0x1180
[ 253.976966][ T31] ? rcu_is_watching+0x12/0xc0
[ 253.976984][ T31] ? __pfx_watchdog+0x10/0x10
[ 253.977002][ T31] ? lockdep_hardirqs_on+0x7c/0x110
[ 253.977027][ T31] ? __kthread_parkme+0x19e/0x250
[ 253.977046][ T31] ? __pfx_watchdog+0x10/0x10
[ 253.977065][ T31] kthread+0x3c5/0x780
[ 253.977087][ T31] ? __pfx_kthread+0x10/0x10
[ 253.977109][ T31] ? rcu_is_watching+0x12/0xc0
[ 253.977125][ T31] ? __pfx_kthread+0x10/0x10
[ 253.977145][ T31] ret_from_fork+0x983/0xb10
[ 253.977171][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 253.977234][ T31] ? __switch_to+0x7af/0x10d0
[ 253.977256][ T31] ? __pfx_kthread+0x10/0x10
[ 253.977277][ T31] ret_from_fork_asm+0x1a/0x30
[ 253.977315][ T31]
[ 253.977322][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 254.111908][ C0] NMI backtrace for cpu 0
[ 254.111922][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 254.111940][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 254.111950][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 254.111975][ C0] Code: 26 5f 02 c3 cc cc cc cc 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 99 11 00 fb f4 cc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 254.111990][ C0] RSP: 0018:ffffffff8e007df8 EFLAGS: 000002c6
[ 254.112003][ C0] RAX: 0000000000143e1d RBX: 0000000000000000 RCX: ffffffff8b78c6d9
[ 254.112013][ C0] RDX: 0000000000000000 RSI: ffffffff8dacf2d0 RDI: ffffffff8bf2b280
[ 254.112023][ C0] RBP: fffffbfff1c12f68 R08: 0000000000000001 R09: ffffed101708673d
[ 254.112034][ C0] R10: ffff8880b84339eb R11: ffffffff8e098670 R12: 0000000000000000
[ 254.112044][ C0] R13: ffffffff8e097b40 R14: ffffffff9088cad0 R15: 0000000000000000
[ 254.112054][ C0] FS: 0000000000000000(0000) GS:ffff8881248f1000(0000) knlGS:0000000000000000
[ 254.112069][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 254.112080][ C0] CR2: 000055f2836c7660 CR3: 000000000e184000 CR4: 00000000003526f0
[ 254.112090][ C0] Call Trace:
[ 254.112097][ C0]
[ 254.112102][ C0] default_idle+0x13/0x20
[ 254.112116][ C0] default_idle_call+0x6c/0xb0
[ 254.112130][ C0] do_idle+0x38d/0x510
[ 254.112157][ C0] ? __pfx_do_idle+0x10/0x10
[ 254.112181][ C0] cpu_startup_entry+0x4f/0x60
[ 254.112203][ C0] rest_init+0x16b/0x2b0
[ 254.112217][ C0] ? acpi_subsystem_init+0x133/0x180
[ 254.112239][ C0] ? __pfx_x86_late_time_init+0x10/0x10
[ 254.112258][ C0] start_kernel+0x3ef/0x4d0
[ 254.112275][ C0] x86_64_start_reservations+0x18/0x30
[ 254.112293][ C0] x86_64_start_kernel+0x130/0x190
[ 254.112309][ C0] common_startup_64+0x13e/0x148
[ 254.112334][ C0]
[ 254.298223][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 254.305073][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 254.314161][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 254.324208][ T31] Call Trace:
[ 254.327483][ T31]
[ 254.330396][ T31] dump_stack_lvl+0x3d/0x1f0
[ 254.334977][ T31] vpanic+0x640/0x6f0
[ 254.338948][ T31] panic+0xca/0xd0
[ 254.342646][ T31] ? __pfx_panic+0x10/0x10
[ 254.347051][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 254.353014][ T31] ? nmi_trigger_cpumask_backtrace+0x1b1/0x300
[ 254.359145][ T31] ? nmi_trigger_cpumask_backtrace+0x2be/0x300
[ 254.365363][ T31] ? watchdog+0xe83/0x1180
[ 254.369774][ T31] ? watchdog+0xe76/0x1180
[ 254.374177][ T31] watchdog+0xe94/0x1180
[ 254.378428][ T31] ? rcu_is_watching+0x12/0xc0
[ 254.383175][ T31] ? __pfx_watchdog+0x10/0x10
[ 254.387837][ T31] ? lockdep_hardirqs_on+0x7c/0x110
[ 254.393023][ T31] ? __kthread_parkme+0x19e/0x250
[ 254.398034][ T31] ? __pfx_watchdog+0x10/0x10
[ 254.402702][ T31] kthread+0x3c5/0x780
[ 254.406760][ T31] ? __pfx_kthread+0x10/0x10
[ 254.411334][ T31] ? rcu_is_watching+0x12/0xc0
[ 254.416077][ T31] ? __pfx_kthread+0x10/0x10
[ 254.420675][ T31] ret_from_fork+0x983/0xb10
[ 254.425265][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 254.430359][ T31] ? __switch_to+0x7af/0x10d0
[ 254.435153][ T31] ? __pfx_kthread+0x10/0x10
[ 254.439727][ T31] ret_from_fork_asm+0x1a/0x30
[ 254.444757][ T31]
[ 254.448232][ T31] Kernel Offset: disabled
[ 254.452560][ T31] Rebooting in 86400 seconds..