[ 86.741650][ T9] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.237' (ED25519) to the list of known hosts. 2025/07/24 21:37:12 ignoring optional flag "sandboxArg"="0" 2025/07/24 21:37:12 ignoring optional flag "type"="gce" 2025/07/24 21:37:12 parsed 1 programs 2025/07/24 21:37:12 executed programs: 0 [ 92.575075][ T5849] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.583499][ T5849] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.591821][ T5849] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.600038][ T5849] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.609042][ T5849] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.744040][ T6158] chnl_net:caif_netlink_parms(): no params data found [ 92.806312][ T6158] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.813600][ T6158] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.822109][ T6158] bridge_slave_0: entered allmulticast mode [ 92.829250][ T6158] bridge_slave_0: entered promiscuous mode [ 92.837215][ T6158] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.844531][ T6158] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.851789][ T6158] bridge_slave_1: entered allmulticast mode [ 92.858715][ T6158] bridge_slave_1: entered promiscuous mode [ 92.903162][ T6158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.915935][ T6158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.948076][ T6158] team0: Port device team_slave_0 added [ 92.955804][ T6158] team0: Port device team_slave_1 added [ 92.980785][ T6158] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.987749][ T6158] 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 1560 would solve the problem. [ 93.014032][ T6158] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.026797][ T6158] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.033879][ T6158] 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 1560 would solve the problem. [ 93.060016][ T6158] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.100117][ T6158] hsr_slave_0: entered promiscuous mode [ 93.106626][ T6158] hsr_slave_1: entered promiscuous mode [ 93.678485][ T6158] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.691536][ T6158] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.703342][ T6158] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.714900][ T6158] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.761895][ T6158] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.769136][ T6158] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.776702][ T6158] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.783898][ T6158] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.800065][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.808518][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.888480][ T6158] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.910142][ T6158] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.939832][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.947062][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.963884][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.971065][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.307649][ T6158] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.365799][ T6158] veth0_vlan: entered promiscuous mode [ 94.378434][ T6158] veth1_vlan: entered promiscuous mode [ 94.417297][ T6158] veth0_macvtap: entered promiscuous mode [ 94.427413][ T6158] veth1_macvtap: entered promiscuous mode [ 94.453233][ T6158] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.472090][ T6158] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.486384][ T6158] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.501370][ T6158] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.510109][ T6158] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.518921][ T6158] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.607817][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.623451][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.656991][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.663255][ T5156] Bluetooth: hci0: command tx timeout [ 94.666005][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.874243][ T6224] nbd0: detected capacity change from 0 to 485291868 [ 95.568551][ T5156] block nbd0: Receive control failed (result -104) [ 96.740939][ T5156] Bluetooth: hci0: command tx timeout [ 98.820516][ T5156] Bluetooth: hci0: command tx timeout [ 100.910441][ T5156] Bluetooth: hci0: command tx timeout [ 125.142724][ T94] block nbd0: Possible stuck request ffff8880258ee000: control (read@0,4096B). Runtime 30 seconds [ 132.822615][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.828984][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 2025/07/24 21:38:10 executed programs: 1 [ 150.759639][ T5849] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 150.767928][ T5849] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 150.776459][ T5849] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 150.784954][ T5849] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 150.793223][ T5849] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 150.928126][ T6527] chnl_net:caif_netlink_parms(): no params data found [ 150.988887][ T6527] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.996081][ T6527] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.003645][ T6527] bridge_slave_0: entered allmulticast mode [ 151.012149][ T6527] bridge_slave_0: entered promiscuous mode [ 151.019687][ T6527] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.026860][ T6527] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.034171][ T6527] bridge_slave_1: entered allmulticast mode [ 151.041198][ T6527] bridge_slave_1: entered promiscuous mode [ 151.068707][ T6527] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 151.079967][ T6527] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 151.112096][ T6527] team0: Port device team_slave_0 added [ 151.120277][ T6527] team0: Port device team_slave_1 added [ 151.146993][ T6527] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 151.154003][ T6527] 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 1560 would solve the problem. [ 151.180049][ T6527] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 151.192717][ T6527] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 151.199672][ T6527] 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 1560 would solve the problem. [ 151.226259][ T6527] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 151.266868][ T6527] hsr_slave_0: entered promiscuous mode [ 151.274437][ T6527] hsr_slave_1: entered promiscuous mode [ 151.280724][ T6527] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 151.288491][ T6527] Cannot create hsr debugfs directory [ 151.386458][ T6527] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 151.465508][ T6527] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 151.540386][ T6527] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 151.593605][ T6527] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 151.689702][ T6527] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 151.699679][ T6527] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 151.709941][ T6527] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 151.719807][ T6527] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 151.744503][ T6527] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.751677][ T6527] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.759136][ T6527] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.766299][ T6527] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.818976][ T6527] 8021q: adding VLAN 0 to HW filter on device bond0 [ 151.834494][ T3480] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.843145][ T3480] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.857885][ T6527] 8021q: adding VLAN 0 to HW filter on device team0 [ 151.871932][ T180] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.879023][ T180] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.893035][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.900250][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.066941][ T6527] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 152.102891][ T6527] veth0_vlan: entered promiscuous mode [ 152.116337][ T6527] veth1_vlan: entered promiscuous mode [ 152.139662][ T6527] veth0_macvtap: entered promiscuous mode [ 152.148895][ T6527] veth1_macvtap: entered promiscuous mode [ 152.166773][ T6527] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 152.181144][ T6527] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 152.193148][ T6527] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 152.202853][ T6527] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 152.212111][ T6527] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 152.222511][ T6527] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 152.279862][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 152.293527][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 152.317923][ T3480] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 152.328589][ T3480] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 152.830851][ T5156] Bluetooth: hci1: command tx timeout [ 154.901285][ T5156] Bluetooth: hci1: command tx timeout [ 155.222001][ T94] block nbd0: Possible stuck request ffff8880258ee000: control (read@0,4096B). Runtime 60 seconds [ 155.378744][ T5205] udevd[5205]: worker [6160] /devices/virtual/block/nbd0 is taking a long time [ 156.980727][ T5156] Bluetooth: hci1: command tx timeout [ 159.060855][ T5156] Bluetooth: hci1: command tx timeout [ 185.310450][ T94] block nbd0: Possible stuck request ffff8880258ee000: control (read@0,4096B). Runtime 90 seconds [ 194.263727][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.270066][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 2025/07/24 21:39:07 executed programs: 2 [ 208.396275][ T5849] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 208.404827][ T5849] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 208.412813][ T5849] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 208.422300][ T5849] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 208.430270][ T5849] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 208.576435][ T6555] chnl_net:caif_netlink_parms(): no params data found [ 208.643396][ T6555] bridge0: port 1(bridge_slave_0) entered blocking state [ 208.650927][ T6555] bridge0: port 1(bridge_slave_0) entered disabled state [ 208.658208][ T6555] bridge_slave_0: entered allmulticast mode [ 208.666534][ T6555] bridge_slave_0: entered promiscuous mode [ 208.674337][ T6555] bridge0: port 2(bridge_slave_1) entered blocking state [ 208.682715][ T6555] bridge0: port 2(bridge_slave_1) entered disabled state [ 208.690047][ T6555] bridge_slave_1: entered allmulticast mode [ 208.697403][ T6555] bridge_slave_1: entered promiscuous mode [ 208.724932][ T6555] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 208.737170][ T6555] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 208.768193][ T6555] team0: Port device team_slave_0 added [ 208.776719][ T6555] team0: Port device team_slave_1 added [ 208.803416][ T6555] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 208.810860][ T6555] 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 1560 would solve the problem. [ 208.837252][ T6555] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 208.850053][ T6555] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 208.857374][ T6555] 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 1560 would solve the problem. [ 208.884413][ T6555] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 208.924092][ T6555] hsr_slave_0: entered promiscuous mode [ 208.931092][ T6555] hsr_slave_1: entered promiscuous mode [ 208.937349][ T6555] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 208.945559][ T6555] Cannot create hsr debugfs directory [ 209.046818][ T6555] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 209.142230][ T6555] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 209.211039][ T6555] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 209.273444][ T6555] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 209.389990][ T6555] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 209.400066][ T6555] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 209.410718][ T6555] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 209.421553][ T6555] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 209.446501][ T6555] bridge0: port 2(bridge_slave_1) entered blocking state [ 209.453719][ T6555] bridge0: port 2(bridge_slave_1) entered forwarding state [ 209.461200][ T6555] bridge0: port 1(bridge_slave_0) entered blocking state [ 209.468304][ T6555] bridge0: port 1(bridge_slave_0) entered forwarding state [ 209.523261][ T6555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 209.539160][ T3480] bridge0: port 1(bridge_slave_0) entered disabled state [ 209.547494][ T3480] bridge0: port 2(bridge_slave_1) entered disabled state [ 209.564423][ T6555] 8021q: adding VLAN 0 to HW filter on device team0 [ 209.577162][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 209.584610][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 209.599536][ T3480] bridge0: port 2(bridge_slave_1) entered blocking state [ 209.606822][ T3480] bridge0: port 2(bridge_slave_1) entered forwarding state [ 209.769695][ T6555] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 209.815220][ T6555] veth0_vlan: entered promiscuous mode [ 209.825915][ T6555] veth1_vlan: entered promiscuous mode [ 209.854425][ T6555] veth0_macvtap: entered promiscuous mode [ 209.864033][ T6555] veth1_macvtap: entered promiscuous mode [ 209.882707][ T6555] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 209.897715][ T6555] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 209.909552][ T6555] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 209.919557][ T6555] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 209.928531][ T6555] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 209.937376][ T6555] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 209.994886][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 210.008959][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 210.039219][ T3480] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 210.047601][ T3480] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 210.500761][ T5156] Bluetooth: hci2: command tx timeout [ 212.580526][ T5156] Bluetooth: hci2: command tx timeout [ 214.670513][ T5156] Bluetooth: hci2: command tx timeout [ 215.381830][ T94] block nbd0: Possible stuck request ffff8880258ee000: control (read@0,4096B). Runtime 120 seconds [ 216.740612][ T5849] Bluetooth: hci2: command tx timeout [ 216.820577][ T5849] Bluetooth: hci0: command 0x0406 tx timeout [ 245.461049][ T94] block nbd0: Possible stuck request ffff8880258ee000: control (read@0,4096B). Runtime 150 seconds [ 254.421919][ T31] INFO: task syz-executor.0:6219 blocked for more than 143 seconds. [ 254.429955][ T31] Not tainted 6.16.0-rc7-syzkaller-00091-gdd9c17322a6c #0 [ 254.437718][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 254.446632][ T31] task:syz-executor.0 state:D stack:27896 pid:6219 tgid:6218 ppid:6158 task_flags:0x400140 flags:0x00004006 [ 254.459624][ T31] Call Trace: [ 254.463071][ T31] [ 254.466052][ T31] __schedule+0x16aa/0x4c90 [ 254.470781][ T31] ? __lock_acquire+0xab9/0xd20 [ 254.475646][ T31] ? schedule+0x165/0x360 [ 254.480096][ T31] ? __pfx___schedule+0x10/0x10 [ 254.485018][ T31] ? schedule+0x91/0x360 [ 254.489289][ T31] schedule+0x165/0x360 [ 254.493602][ T31] schedule_preempt_disabled+0x13/0x30 [ 254.499263][ T31] __mutex_lock+0x724/0xe80 [ 254.503913][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 254.510019][ T31] ? __mutex_lock+0x51b/0xe80 [ 254.514792][ T31] ? bdev_release+0x1a9/0x650 [ 254.519497][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 254.524574][ T31] ? __asan_memset+0x22/0x50 [ 254.529196][ T31] ? __pfx___fsnotify_parent+0x10/0x10 [ 254.534941][ T31] ? do_raw_spin_lock+0x121/0x290 [ 254.540091][ T31] bdev_release+0x1a9/0x650 [ 254.544697][ T31] ? __pfx_blkdev_release+0x10/0x10 [ 254.549998][ T31] blkdev_release+0x15/0x20 [ 254.555443][ T31] __fput+0x44c/0xa70 [ 254.559478][ T31] task_work_run+0x1d4/0x260 [ 254.564137][ T31] ? __pfx_task_work_run+0x10/0x10 [ 254.569289][ T31] ? __fget_files+0x2a/0x420 [ 254.574192][ T31] ? exit_to_user_mode_loop+0x40/0x110 [ 254.579823][ T31] exit_to_user_mode_loop+0xec/0x110 [ 254.585459][ T31] do_syscall_64+0x2bd/0x3b0 [ 254.590159][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 254.595864][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 254.602119][ T31] ? clear_bhb_loop+0x60/0xb0 [ 254.606823][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 254.612802][ T31] RIP: 0033:0x7fe1d4a7c8d9 [ 254.617236][ T31] RSP: 002b:00007fe1d57750c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 254.625709][ T31] RAX: 0000000000000000 RBX: 00007fe1d4b9bf80 RCX: 00007fe1d4a7c8d9 [ 254.633761][ T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 254.641809][ T31] RBP: 00007fe1d4ad8ad0 R08: 0000000000000000 R09: 0000000000000000 [ 254.649803][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 254.658584][ T31] R13: 000000000000000b R14: 00007fe1d4b9bf80 R15: 00007ffd54a38a98 [ 254.666682][ T31] [ 254.669755][ T31] [ 254.669755][ T31] Showing all locks held in the system: [ 254.677637][ T31] 1 lock held by khungtaskd/31: [ 254.682528][ T31] #0: ffffffff8e13f0e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 254.692457][ T31] 2 locks held by getty/5598: [ 254.697133][ T31] #0: ffff888030e450a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 254.706933][ T31] #1: ffffc9000332e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 [ 254.717164][ T31] 1 lock held by udevd/6160: [ 254.721824][ T31] #0: ffff888142fe0358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 254.731142][ T31] 1 lock held by syz-executor.0/6219: [ 254.736527][ T31] #0: ffff888142fe0358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650 [ 254.746475][ T31] 1 lock held by syz-executor.0/6546: [ 254.752011][ T31] #0: ffff888142fe0358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 254.761939][ T31] 1 lock held by syz-executor.0/6575: [ 254.767335][ T31] #0: ffff888142fe0358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 254.776622][ T31] [ 254.778946][ T31] ============================================= [ 254.778946][ T31] [ 254.787510][ T31] NMI backtrace for cpu 1 [ 254.787530][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc7-syzkaller-00091-gdd9c17322a6c #0 PREEMPT(full) [ 254.787547][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 254.787556][ T31] Call Trace: [ 254.787563][ T31] [ 254.787569][ T31] dump_stack_lvl+0x189/0x250 [ 254.787589][ T31] ? __wake_up_klogd+0xd9/0x110 [ 254.787611][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 254.787628][ T31] ? __pfx__printk+0x10/0x10 [ 254.787659][ T31] nmi_cpu_backtrace+0x39e/0x3d0 [ 254.787686][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 254.787706][ T31] ? _printk+0xcf/0x120 [ 254.787728][ T31] ? __pfx__printk+0x10/0x10 [ 254.787750][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 254.787777][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 254.787803][ T31] watchdog+0xfee/0x1030 [ 254.787828][ T31] ? watchdog+0x1de/0x1030 [ 254.787858][ T31] kthread+0x711/0x8a0 [ 254.787882][ T31] ? __pfx_watchdog+0x10/0x10 [ 254.787902][ T31] ? __pfx_kthread+0x10/0x10 [ 254.787932][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 254.787948][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 254.787963][ T31] ? __pfx_kthread+0x10/0x10 [ 254.787983][ T31] ret_from_fork+0x3fc/0x770 [ 254.788002][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 254.788022][ T31] ? __switch_to_asm+0x39/0x70 [ 254.788040][ T31] ? __switch_to_asm+0x33/0x70 [ 254.788057][ T31] ? __pfx_kthread+0x10/0x10 [ 254.788078][ T31] ret_from_fork_asm+0x1a/0x30 [ 254.788111][ T31] [ 254.788118][ T31] Sending NMI from CPU 1 to CPUs 0: [ 254.945793][ C0] NMI backtrace for cpu 0 [ 254.945809][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.16.0-rc7-syzkaller-00091-gdd9c17322a6c #0 PREEMPT(full) [ 254.945825][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 254.945834][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 254.945854][ C0] Code: 53 de 02 00 cc cc cc 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 d3 ad 21 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 [ 254.945866][ C0] RSP: 0018:ffffffff8de07d80 EFLAGS: 000002c2 [ 254.945879][ C0] RAX: fd3b431b7a0c5200 RBX: ffffffff81976908 RCX: fd3b431b7a0c5200 [ 254.945890][ C0] RDX: 0000000000000001 RSI: ffffffff8d98301b RDI: ffffffff8be1ba00 [ 254.945901][ C0] RBP: ffffffff8de07ea8 R08: ffff8880b8632f5b R09: 1ffff110170c65eb [ 254.945911][ C0] R10: dffffc0000000000 R11: ffffed10170c65ec R12: ffffffff8fa0b4f0 [ 254.945922][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1bd2a50 [ 254.945932][ C0] FS: 0000000000000000(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000 [ 254.945944][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 254.945954][ C0] CR2: 0000559b1f690168 CR3: 000000000df38000 CR4: 00000000003526f0 [ 254.945967][ C0] Call Trace: [ 254.945974][ C0] [ 254.945979][ C0] default_idle+0x13/0x20 [ 254.945996][ C0] default_idle_call+0x74/0xb0 [ 254.946013][ C0] do_idle+0x1e8/0x510 [ 254.946032][ C0] ? __pfx_do_idle+0x10/0x10 [ 254.946047][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 254.946062][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 254.946083][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 254.946106][ C0] cpu_startup_entry+0x44/0x60 [ 254.946121][ C0] rest_init+0x2de/0x300 [ 254.946138][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 254.946170][ C0] start_kernel+0x47d/0x500 [ 254.946189][ C0] x86_64_start_reservations+0x24/0x30 [ 254.946208][ C0] x86_64_start_kernel+0x143/0x1c0 [ 254.946259][ C0] common_startup_64+0x13e/0x147 [ 254.946284][ C0] [ 254.947039][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 255.153390][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc7-syzkaller-00091-gdd9c17322a6c #0 PREEMPT(full) [ 255.165237][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 255.175311][ T31] Call Trace: [ 255.178590][ T31] [ 255.181520][ T31] dump_stack_lvl+0x99/0x250 [ 255.186104][ T31] ? __asan_memcpy+0x40/0x70 [ 255.190879][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 255.196107][ T31] ? __pfx__printk+0x10/0x10 [ 255.200716][ T31] panic+0x2db/0x790 [ 255.204622][ T31] ? __pfx_panic+0x10/0x10 [ 255.209033][ T31] ? nmi_backtrace_stall_check+0x433/0x440 [ 255.214838][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 255.220211][ T31] ? nmi_trigger_cpumask_backtrace+0x2b6/0x300 [ 255.226367][ T31] watchdog+0x102d/0x1030 [ 255.230693][ T31] ? watchdog+0x1de/0x1030 [ 255.235112][ T31] kthread+0x711/0x8a0 [ 255.239176][ T31] ? __pfx_watchdog+0x10/0x10 [ 255.243844][ T31] ? __pfx_kthread+0x10/0x10 [ 255.248423][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 255.253608][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 255.258790][ T31] ? __pfx_kthread+0x10/0x10 [ 255.263372][ T31] ret_from_fork+0x3fc/0x770 [ 255.267961][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 255.273075][ T31] ? __switch_to_asm+0x39/0x70 [ 255.277828][ T31] ? __switch_to_asm+0x33/0x70 [ 255.282585][ T31] ? __pfx_kthread+0x10/0x10 [ 255.287170][ T31] ret_from_fork_asm+0x1a/0x30 [ 255.291978][ T31] [ 255.295273][ T31] Kernel Offset: disabled [ 255.299592][ T31] Rebooting in 86400 seconds..