Warning: Permanently added '10.128.10.35' (ED25519) to the list of known hosts. 2026/01/18 17:54:38 ignoring optional flag "type"="gce" 2026/01/18 17:54:39 parsed 1 programs [ 90.905940][ T30] kauditd_printk_skb: 24 callbacks suppressed [ 90.905955][ T30] audit: type=1400 audit(1768758879.124:96): avc: denied { unlink } for pid=6004 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 17:54:40 executed programs: 0 [ 92.207271][ T6004] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 92.256388][ T5137] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.265376][ T5137] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.272977][ T5137] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.280939][ T5137] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.289285][ T5137] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.406141][ T6011] chnl_net:caif_netlink_parms(): no params data found [ 92.461846][ T6011] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.469085][ T6011] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.476686][ T6011] bridge_slave_0: entered allmulticast mode [ 92.483702][ T6011] bridge_slave_0: entered promiscuous mode [ 92.492018][ T6011] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.499760][ T6011] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.507085][ T6011] bridge_slave_1: entered allmulticast mode [ 92.513997][ T6011] bridge_slave_1: entered promiscuous mode [ 92.538228][ T6011] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.549122][ T6011] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.576045][ T6011] team0: Port device team_slave_0 added [ 92.583840][ T6011] team0: Port device team_slave_1 added [ 92.606110][ T6011] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.613152][ T6011] 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. [ 92.639851][ T6011] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.651730][ T6011] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.658782][ T6011] 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. [ 92.684903][ T6011] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.718545][ T6011] hsr_slave_0: entered promiscuous mode [ 92.724840][ T6011] hsr_slave_1: entered promiscuous mode [ 93.168889][ T6011] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.182246][ T6011] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.192917][ T6011] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.204803][ T6011] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.238394][ T6011] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.245616][ T6011] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.253191][ T6011] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.260315][ T6011] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.341772][ T6011] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.364358][ T71] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.372498][ T71] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.391162][ T6011] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.405830][ T3873] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.412902][ T3873] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.429159][ T1334] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.436313][ T1334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.668917][ T6011] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.717836][ T6011] veth0_vlan: entered promiscuous mode [ 93.732196][ T6011] veth1_vlan: entered promiscuous mode [ 93.768576][ T6011] veth0_macvtap: entered promiscuous mode [ 93.781575][ T6011] veth1_macvtap: entered promiscuous mode [ 93.801608][ T6011] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.817715][ T6011] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.835885][ T1334] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.855237][ T1334] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.884348][ T1334] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.904711][ T1334] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.034229][ T6069] nbd0: detected capacity change from 0 to 2 [ 94.314334][ T5137] Bluetooth: hci0: command tx timeout [ 94.790967][ T52] block nbd0: Receive control failed (result -104) [ 96.403257][ T52] Bluetooth: hci0: command tx timeout [ 98.473245][ T52] Bluetooth: hci0: command tx timeout [ 100.553175][ T52] Bluetooth: hci0: command tx timeout [ 124.403241][ T11] block nbd0: Possible stuck request ffff888026228000: control (read@0,1024B). Runtime 30 seconds [ 132.715400][ T1296] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.721692][ T1296] ieee802154 phy1 wpan1: encryption failed: -22 2026/01/18 17:55:37 executed programs: 1 [ 149.976205][ T5137] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 149.984395][ T5137] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 149.991943][ T5137] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 150.001119][ T5137] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 150.009218][ T5137] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 150.121838][ T6209] chnl_net:caif_netlink_parms(): no params data found [ 150.177689][ T6209] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.185116][ T6209] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.192224][ T6209] bridge_slave_0: entered allmulticast mode [ 150.199267][ T6209] bridge_slave_0: entered promiscuous mode [ 150.206794][ T6209] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.214022][ T6209] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.221145][ T6209] bridge_slave_1: entered allmulticast mode [ 150.228497][ T6209] bridge_slave_1: entered promiscuous mode [ 150.253981][ T6209] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 150.264927][ T6209] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 150.290439][ T6209] team0: Port device team_slave_0 added [ 150.298606][ T6209] team0: Port device team_slave_1 added [ 150.319785][ T6209] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 150.327166][ T6209] 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. [ 150.353187][ T6209] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 150.365415][ T6209] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 150.372387][ T6209] 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. [ 150.400943][ T6209] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 150.436902][ T6209] hsr_slave_0: entered promiscuous mode [ 150.443180][ T6209] hsr_slave_1: entered promiscuous mode [ 150.449207][ T6209] debugfs: 'hsr0' already exists in 'hsr' [ 150.455180][ T6209] Cannot create hsr debugfs directory [ 150.534836][ T6209] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 150.605797][ T6209] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 150.672275][ T6209] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 150.715318][ T6209] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 150.842651][ T6209] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 150.852532][ T6209] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 150.866905][ T6209] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 150.877466][ T6209] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 150.898345][ T6209] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.905682][ T6209] bridge0: port 2(bridge_slave_1) entered forwarding state [ 150.913078][ T6209] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.920159][ T6209] bridge0: port 1(bridge_slave_0) entered forwarding state [ 150.959990][ T6209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 150.975035][ T1156] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.983885][ T1156] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.997928][ T6209] 8021q: adding VLAN 0 to HW filter on device team0 [ 151.009620][ T3873] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.016752][ T3873] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.029408][ T1156] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.036618][ T1156] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.176726][ T6209] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 151.209972][ T6209] veth0_vlan: entered promiscuous mode [ 151.220295][ T6209] veth1_vlan: entered promiscuous mode [ 151.244477][ T6209] veth0_macvtap: entered promiscuous mode [ 151.253915][ T6209] veth1_macvtap: entered promiscuous mode [ 151.268329][ T6209] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 151.282795][ T6209] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 151.295389][ T1334] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 151.304999][ T1334] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 151.315218][ T1334] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 151.324716][ T1334] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 152.073158][ T52] Bluetooth: hci1: command tx timeout [ 154.153605][ T52] Bluetooth: hci1: command tx timeout [ 154.390042][ T5186] udevd[5186]: worker [6020] /devices/virtual/block/nbd0 is taking a long time [ 154.473880][ T11] block nbd0: Possible stuck request ffff888026228000: control (read@0,1024B). Runtime 60 seconds [ 156.233957][ T52] Bluetooth: hci1: command tx timeout [ 158.313587][ T52] Bluetooth: hci1: command tx timeout [ 184.573293][ T11] block nbd0: Possible stuck request ffff888026228000: control (read@0,1024B). Runtime 90 seconds [ 194.155764][ T1296] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.162073][ T1296] ieee802154 phy1 wpan1: encryption failed: -22 2026/01/18 17:56:34 executed programs: 2 [ 207.402525][ T5137] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 207.410970][ T5137] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 207.418808][ T5137] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 207.426678][ T5137] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 207.435002][ T5137] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 207.557748][ T6240] chnl_net:caif_netlink_parms(): no params data found [ 207.614833][ T6240] bridge0: port 1(bridge_slave_0) entered blocking state [ 207.622062][ T6240] bridge0: port 1(bridge_slave_0) entered disabled state [ 207.629516][ T6240] bridge_slave_0: entered allmulticast mode [ 207.636436][ T6240] bridge_slave_0: entered promiscuous mode [ 207.644129][ T6240] bridge0: port 2(bridge_slave_1) entered blocking state [ 207.651365][ T6240] bridge0: port 2(bridge_slave_1) entered disabled state [ 207.659179][ T6240] bridge_slave_1: entered allmulticast mode [ 207.666092][ T6240] bridge_slave_1: entered promiscuous mode [ 207.690819][ T6240] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 207.701900][ T6240] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 207.727574][ T6240] team0: Port device team_slave_0 added [ 207.735815][ T6240] team0: Port device team_slave_1 added [ 207.758282][ T6240] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 207.765518][ T6240] 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. [ 207.792006][ T6240] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 207.805723][ T6240] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 207.812666][ T6240] 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. [ 207.839251][ T6240] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 207.874176][ T6240] hsr_slave_0: entered promiscuous mode [ 207.880274][ T6240] hsr_slave_1: entered promiscuous mode [ 207.886399][ T6240] debugfs: 'hsr0' already exists in 'hsr' [ 207.892114][ T6240] Cannot create hsr debugfs directory [ 207.973918][ T6240] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 208.033523][ T6240] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 208.101819][ T6240] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 208.164623][ T6240] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 208.276528][ T6240] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 208.290307][ T6240] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 208.299487][ T6240] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 208.308945][ T6240] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 208.330585][ T6240] bridge0: port 2(bridge_slave_1) entered blocking state [ 208.337703][ T6240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 208.345106][ T6240] bridge0: port 1(bridge_slave_0) entered blocking state [ 208.352169][ T6240] bridge0: port 1(bridge_slave_0) entered forwarding state [ 208.394232][ T6240] 8021q: adding VLAN 0 to HW filter on device bond0 [ 208.409642][ T3873] bridge0: port 1(bridge_slave_0) entered disabled state [ 208.417530][ T3873] bridge0: port 2(bridge_slave_1) entered disabled state [ 208.432653][ T6240] 8021q: adding VLAN 0 to HW filter on device team0 [ 208.445369][ T1156] bridge0: port 1(bridge_slave_0) entered blocking state [ 208.452527][ T1156] bridge0: port 1(bridge_slave_0) entered forwarding state [ 208.466723][ T3873] bridge0: port 2(bridge_slave_1) entered blocking state [ 208.473863][ T3873] bridge0: port 2(bridge_slave_1) entered forwarding state [ 208.607605][ T6240] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 208.642603][ T6240] veth0_vlan: entered promiscuous mode [ 208.652727][ T6240] veth1_vlan: entered promiscuous mode [ 208.675297][ T6240] veth0_macvtap: entered promiscuous mode [ 208.684437][ T6240] veth1_macvtap: entered promiscuous mode [ 208.699398][ T6240] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 208.711611][ T6240] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 208.726022][ T1156] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 208.735693][ T1156] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 208.745992][ T1156] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 208.755633][ T1156] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 209.513750][ T52] Bluetooth: hci2: command tx timeout [ 211.593081][ T52] Bluetooth: hci2: command tx timeout [ 213.673169][ T52] Bluetooth: hci2: command tx timeout [ 214.645925][ T25] block nbd0: Possible stuck request ffff888026228000: control (read@0,1024B). Runtime 120 seconds [ 215.753182][ T5137] Bluetooth: hci2: command tx timeout [ 216.715834][ T5137] Bluetooth: hci0: command 0x0406 tx timeout [ 244.713325][ T11] block nbd0: Possible stuck request ffff888026228000: control (read@0,1024B). Runtime 150 seconds [ 252.393374][ T31] INFO: task syz-executor.0:6069 blocked for more than 143 seconds. [ 252.401449][ T31] Not tainted syzkaller #0 [ 252.406444][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 252.415206][ T31] task:syz-executor.0 state:D stack:27088 pid:6069 tgid:6067 ppid:6011 task_flags:0x400140 flags:0x00080803 [ 252.427231][ T31] Call Trace: [ 252.430517][ T31] [ 252.433518][ T31] ? __schedule+0x10b9/0x6150 [ 252.438217][ T31] __schedule+0x1139/0x6150 [ 252.442701][ T31] ? __lock_acquire+0x436/0x2890 [ 252.447791][ T31] ? __pfx___schedule+0x10/0x10 [ 252.452656][ T31] ? find_held_lock+0x2b/0x80 [ 252.457453][ T31] ? schedule+0x2d7/0x3a0 [ 252.461818][ T31] schedule+0xe7/0x3a0 [ 252.465964][ T31] schedule_preempt_disabled+0x13/0x30 [ 252.471425][ T31] __mutex_lock+0xc69/0x1ca0 [ 252.476131][ T31] ? bdev_release+0x15a/0x6d0 [ 252.480917][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 252.486046][ T31] ? find_held_lock+0x2b/0x80 [ 252.490732][ T31] ? do_raw_spin_unlock+0x172/0x230 [ 252.496007][ T31] ? bdev_release+0x15a/0x6d0 [ 252.500676][ T31] bdev_release+0x15a/0x6d0 [ 252.505224][ T31] ? __pfx_blkdev_release+0x10/0x10 [ 252.510508][ T31] blkdev_release+0x15/0x20 [ 252.515058][ T31] __fput+0x402/0xb70 [ 252.519040][ T31] task_work_run+0x150/0x240 [ 252.523742][ T31] ? __pfx_task_work_run+0x10/0x10 [ 252.528955][ T31] get_signal+0x1d0/0x26d0 [ 252.533469][ T31] ? __pfx_get_signal+0x10/0x10 [ 252.538376][ T31] ? kick_process+0xf6/0x1b0 [ 252.543048][ T31] ? task_work_add+0x1ee/0x380 [ 252.547814][ T31] arch_do_signal_or_restart+0x8f/0x7e0 [ 252.553794][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 252.559968][ T31] ? selinux_file_ioctl+0x180/0x270 [ 252.565222][ T31] exit_to_user_mode_loop+0x8c/0x540 [ 252.570528][ T31] do_syscall_64+0x4ee/0xf80 [ 252.575184][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 252.581077][ T31] RIP: 0033:0x7f4dfa27cae9 [ 252.585550][ T31] RSP: 002b:00007f4dfaf060c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 252.593986][ T31] RAX: 0000000000000000 RBX: 00007f4dfa39bf80 RCX: 00007f4dfa27cae9 [ 252.601947][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 252.610049][ T31] RBP: 00007f4dfa2c847a R08: 0000000000000000 R09: 0000000000000000 [ 252.618188][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 252.626216][ T31] R13: 000000000000000b R14: 00007f4dfa39bf80 R15: 00007ffef6a61558 [ 252.634384][ T31] [ 252.637400][ T31] INFO: task syz-executor.0:6072 blocked for more than 143 seconds. [ 252.645506][ T31] Not tainted syzkaller #0 [ 252.650544][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 252.659319][ T31] task:syz-executor.0 state:D stack:28840 pid:6072 tgid:6067 ppid:6011 task_flags:0x400140 flags:0x00080002 [ 252.671290][ T31] Call Trace: [ 252.674649][ T31] [ 252.677575][ T31] ? __schedule+0x10b9/0x6150 [ 252.682234][ T31] __schedule+0x1139/0x6150 [ 252.686897][ T31] ? __lock_acquire+0x436/0x2890 [ 252.691840][ T31] ? __pfx___schedule+0x10/0x10 [ 252.696743][ T31] ? find_held_lock+0x2b/0x80 [ 252.701443][ T31] ? schedule+0x2d7/0x3a0 [ 252.705932][ T31] schedule+0xe7/0x3a0 [ 252.710012][ T31] schedule_preempt_disabled+0x13/0x30 [ 252.715632][ T31] __mutex_lock+0xc69/0x1ca0 [ 252.720238][ T31] ? bdev_open+0x41a/0xe40 [ 252.724722][ T31] ? rcu_is_watching+0x12/0xc0 [ 252.729484][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 252.734629][ T31] ? lockdep_init_map_type+0x5c/0x270 [ 252.740016][ T31] ? lockdep_init_map_type+0x5c/0x270 [ 252.745557][ T31] ? bdev_open+0x41a/0xe40 [ 252.749980][ T31] bdev_open+0x41a/0xe40 [ 252.754295][ T31] ? iput+0x35/0x40 [ 252.758116][ T31] bdev_file_open_by_dev+0x182/0x210 [ 252.763460][ T31] disk_scan_partitions+0x1ed/0x320 [ 252.768666][ T31] blkdev_common_ioctl+0x420/0x2b80 [ 252.773926][ T31] ? __pfx_blkdev_common_ioctl+0x10/0x10 [ 252.779563][ T31] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 252.785519][ T31] ? do_vfs_ioctl+0x128/0x14f0 [ 252.790289][ T31] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 252.795461][ T31] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10 [ 252.802370][ T31] blkdev_ioctl+0x2b5/0x6e0 [ 252.806934][ T31] ? __pfx_blkdev_ioctl+0x10/0x10 [ 252.811949][ T31] ? selinux_file_ioctl+0x180/0x270 [ 252.817229][ T31] ? selinux_file_ioctl+0xb4/0x270 [ 252.822342][ T31] ? __pfx_blkdev_ioctl+0x10/0x10 [ 252.827432][ T31] __x64_sys_ioctl+0x18e/0x210 [ 252.832202][ T31] do_syscall_64+0xcd/0xf80 [ 252.836786][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 252.842679][ T31] RIP: 0033:0x7f4dfa27cae9 [ 252.847148][ T31] RSP: 002b:00007f4df95fe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 252.855775][ T31] RAX: ffffffffffffffda RBX: 00007f4dfa39c050 RCX: 00007f4dfa27cae9 [ 252.863801][ T31] RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000003 [ 252.871767][ T31] RBP: 00007f4dfa2c847a R08: 0000000000000000 R09: 0000000000000000 [ 252.879870][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 252.887904][ T31] R13: 000000000000006e R14: 00007f4dfa39c050 R15: 00007ffef6a61558 [ 252.895961][ T31] [ 252.899268][ T31] [ 252.899268][ T31] Showing all locks held in the system: [ 252.907050][ T31] 1 lock held by khungtaskd/31: [ 252.911980][ T31] #0: ffffffff8e3c96a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 252.921988][ T31] 1 lock held by klogd/5175: [ 252.926613][ T31] #0: ffff8880b843ac98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 [ 252.936567][ T31] 2 locks held by getty/5576: [ 252.941259][ T31] #0: ffff88814d0140a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 252.951037][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x1510 [ 252.961290][ T31] 1 lock held by udevd/6020: [ 252.966069][ T31] #0: ffff888026099358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 252.975425][ T31] 1 lock held by syz-executor.0/6069: [ 252.980770][ T31] #0: ffff888026099358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0 [ 252.990452][ T31] 1 lock held by syz-executor.0/6072: [ 252.995856][ T31] #0: ffff888026099358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 253.005348][ T31] 1 lock held by syz-executor.0/6230: [ 253.010709][ T31] #0: ffff888026099358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 253.020213][ T31] 1 lock held by syz-executor.0/6231: [ 253.025619][ T31] #0: ffff888026099358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 253.034996][ T31] 1 lock held by syz-executor.0/6261: [ 253.040346][ T31] #0: ffff888026099358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 253.049709][ T31] 1 lock held by syz-executor.0/6262: [ 253.055116][ T31] #0: ffff888026099358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe40 [ 253.064654][ T31] [ 253.067055][ T31] ============================================= [ 253.067055][ T31] [ 253.075611][ T31] NMI backtrace for cpu 1 [ 253.075637][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 253.075656][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 253.075664][ T31] Call Trace: [ 253.075669][ T31] [ 253.075675][ T31] dump_stack_lvl+0x116/0x1f0 [ 253.075701][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 253.075720][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 253.075738][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 253.075757][ T31] sys_info+0x133/0x180 [ 253.075779][ T31] watchdog+0xe66/0x1180 [ 253.075804][ T31] ? rcu_is_watching+0x12/0xc0 [ 253.075822][ T31] ? __pfx_watchdog+0x10/0x10 [ 253.075839][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 253.075864][ T31] ? __kthread_parkme+0x19e/0x250 [ 253.075882][ T31] ? __pfx_watchdog+0x10/0x10 [ 253.075901][ T31] kthread+0x3c5/0x780 [ 253.075923][ T31] ? __pfx_kthread+0x10/0x10 [ 253.075946][ T31] ? rcu_is_watching+0x12/0xc0 [ 253.075963][ T31] ? __pfx_kthread+0x10/0x10 [ 253.075985][ T31] ret_from_fork+0x983/0xb10 [ 253.076006][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 253.076028][ T31] ? __switch_to+0x7af/0x10d0 [ 253.076050][ T31] ? __pfx_kthread+0x10/0x10 [ 253.076071][ T31] ret_from_fork_asm+0x1a/0x30 [ 253.076109][ T31] [ 253.076116][ T31] Sending NMI from CPU 1 to CPUs 0: [ 253.210177][ C0] NMI backtrace for cpu 0 [ 253.210191][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 253.210209][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 253.210219][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 253.210245][ 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 [ 253.210260][ C0] RSP: 0018:ffffffff8e007df8 EFLAGS: 000002c6 [ 253.210272][ C0] RAX: 000000000011a4df RBX: 0000000000000000 RCX: ffffffff8b78c6d9 [ 253.210283][ C0] RDX: 0000000000000000 RSI: ffffffff8dacf2d0 RDI: ffffffff8bf2b280 [ 253.210293][ C0] RBP: fffffbfff1c12f68 R08: 0000000000000001 R09: ffffed101708673d [ 253.210303][ C0] R10: ffff8880b84339eb R11: ffffffff8e098670 R12: 0000000000000000 [ 253.210313][ C0] R13: ffffffff8e097b40 R14: ffffffff9088cad0 R15: 0000000000000000 [ 253.210324][ C0] FS: 0000000000000000(0000) GS:ffff8881248f1000(0000) knlGS:0000000000000000 [ 253.210339][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 253.210349][ C0] CR2: 0000560ebad83168 CR3: 000000000e184000 CR4: 00000000003526f0 [ 253.210360][ C0] Call Trace: [ 253.210366][ C0] [ 253.210372][ C0] default_idle+0x13/0x20 [ 253.210385][ C0] default_idle_call+0x6c/0xb0 [ 253.210399][ C0] do_idle+0x38d/0x510 [ 253.210423][ C0] ? __pfx_do_idle+0x10/0x10 [ 253.210444][ C0] ? do_idle+0x2e2/0x510 [ 253.210466][ C0] cpu_startup_entry+0x4f/0x60 [ 253.210488][ C0] rest_init+0x16b/0x2b0 [ 253.210502][ C0] ? acpi_subsystem_init+0x133/0x180 [ 253.210524][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 253.210542][ C0] start_kernel+0x3ef/0x4d0 [ 253.210560][ C0] x86_64_start_reservations+0x18/0x30 [ 253.210577][ C0] x86_64_start_kernel+0x130/0x190 [ 253.210594][ C0] common_startup_64+0x13e/0x148 [ 253.210619][ C0] [ 253.211227][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 253.211240][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 253.211261][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 253.211271][ T31] Call Trace: [ 253.211278][ T31] [ 253.211286][ T31] dump_stack_lvl+0x3d/0x1f0 [ 253.211312][ T31] vpanic+0x640/0x6f0 [ 253.211333][ T31] panic+0xca/0xd0 [ 253.211351][ T31] ? __pfx_panic+0x10/0x10 [ 253.211369][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 253.211391][ T31] ? nmi_trigger_cpumask_backtrace+0x1b1/0x300 [ 253.211411][ T31] ? nmi_trigger_cpumask_backtrace+0x2be/0x300 [ 253.211431][ T31] ? watchdog+0xe83/0x1180 [ 253.211450][ T31] ? watchdog+0xe76/0x1180 [ 253.211470][ T31] watchdog+0xe94/0x1180 [ 253.211494][ T31] ? rcu_is_watching+0x12/0xc0 [ 253.211516][ T31] ? __pfx_watchdog+0x10/0x10 [ 253.211534][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 253.211559][ T31] ? __kthread_parkme+0x19e/0x250 [ 253.211578][ T31] ? __pfx_watchdog+0x10/0x10 [ 253.211597][ T31] kthread+0x3c5/0x780 [ 253.211619][ T31] ? __pfx_kthread+0x10/0x10 [ 253.211641][ T31] ? rcu_is_watching+0x12/0xc0 [ 253.211658][ T31] ? __pfx_kthread+0x10/0x10 [ 253.211679][ T31] ret_from_fork+0x983/0xb10 [ 253.211700][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 253.211722][ T31] ? __switch_to+0x7af/0x10d0 [ 253.211744][ T31] ? __pfx_kthread+0x10/0x10 [ 253.211765][ T31] ret_from_fork_asm+0x1a/0x30 [ 253.211802][ T31] [ 253.548375][ T31] Kernel Offset: disabled [ 253.552682][ T31] Rebooting in 86400 seconds..