Warning: Permanently added '10.128.1.30' (ED25519) to the list of known hosts. 1970/01/01 00:00:57 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:57 ignoring optional flag "type"="gce" 1970/01/01 00:00:58 parsed 1 programs 1970/01/01 00:00:58 executed programs: 0 [ 58.276317][ T5992] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.278731][ T5992] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.283762][ T5992] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.287271][ T5992] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.289061][ T5992] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.290730][ T5992] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.369677][ T6613] chnl_net:caif_netlink_parms(): no params data found [ 58.415886][ T6613] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.417553][ T6613] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.419201][ T6613] bridge_slave_0: entered allmulticast mode [ 58.421556][ T6613] bridge_slave_0: entered promiscuous mode [ 58.424052][ T6613] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.425593][ T6613] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.427120][ T6613] bridge_slave_1: entered allmulticast mode [ 58.428936][ T6613] bridge_slave_1: entered promiscuous mode [ 58.441859][ T6613] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.444991][ T6613] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.456573][ T6613] team0: Port device team_slave_0 added [ 58.458897][ T6613] team0: Port device team_slave_1 added [ 58.468427][ T6613] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.469881][ T6613] 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. [ 58.475506][ T6613] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.478597][ T6613] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.480017][ T6613] 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. [ 58.485601][ T6613] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.522408][ T6613] hsr_slave_0: entered promiscuous mode [ 58.580987][ T6613] hsr_slave_1: entered promiscuous mode [ 59.425839][ T6613] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.429918][ T6613] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.434252][ T6613] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.437132][ T6613] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.475284][ T6613] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.482022][ T6613] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.487270][ T38] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.488902][ T38] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.502252][ T38] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.503744][ T38] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.574822][ T6613] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.592736][ T6613] veth0_vlan: entered promiscuous mode [ 59.596635][ T6613] veth1_vlan: entered promiscuous mode [ 59.610483][ T6613] veth0_macvtap: entered promiscuous mode [ 59.614427][ T6613] veth1_macvtap: entered promiscuous mode [ 59.621376][ T6613] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.626474][ T6613] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.629391][ T6613] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.632875][ T6613] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.634583][ T6613] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.636411][ T6613] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.669163][ T780] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.672131][ T780] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.683492][ T674] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.685156][ T674] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.871098][ T6745] nbd0: detected capacity change from 0 to 131072 [ 60.331502][ T5992] Bluetooth: hci0: command tx timeout [ 60.577469][ T6431] block nbd0: Receive control failed (result -104) [ 62.411150][ T6431] Bluetooth: hci0: command tx timeout [ 64.490839][ T6431] Bluetooth: hci0: command tx timeout [ 64.493108][ T2348] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.494471][ T2348] ieee802154 phy1 wpan1: encryption failed: -22 [ 66.571498][ T6431] Bluetooth: hci0: command tx timeout [ 69.613319][ T2255] cfg80211: failed to load regulatory.db [ 90.092265][ T41] block nbd0: Possible stuck request 00000000036229cd: control (read@0,4096B). Runtime 30 seconds 1970/01/01 00:01:54 executed programs: 1 [ 115.764238][ T5992] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 115.766890][ T5992] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 115.768843][ T5992] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 115.772652][ T5992] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 115.774849][ T5992] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 115.776817][ T5992] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 115.838364][ T6928] chnl_net:caif_netlink_parms(): no params data found [ 115.862744][ T6928] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.864262][ T6928] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.865768][ T6928] bridge_slave_0: entered allmulticast mode [ 115.867510][ T6928] bridge_slave_0: entered promiscuous mode [ 115.870319][ T6928] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.871910][ T6928] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.873593][ T6928] bridge_slave_1: entered allmulticast mode [ 115.875196][ T6928] bridge_slave_1: entered promiscuous mode [ 115.885641][ T6928] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 115.888834][ T6928] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 115.899845][ T6928] team0: Port device team_slave_0 added [ 115.902503][ T6928] team0: Port device team_slave_1 added [ 115.911579][ T6928] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 115.912985][ T6928] 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. [ 115.917914][ T6928] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 115.921024][ T6928] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 115.922483][ T6928] 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. [ 115.927621][ T6928] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 115.972156][ T6928] hsr_slave_0: entered promiscuous mode [ 116.021008][ T6928] hsr_slave_1: entered promiscuous mode [ 116.070941][ T6928] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 116.072642][ T6928] Cannot create hsr debugfs directory [ 116.142312][ T6928] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.263600][ T6928] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.354022][ T6928] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.433726][ T6928] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.640485][ T6928] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 116.644403][ T6928] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 116.648228][ T6928] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 116.651162][ T6928] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 116.665964][ T6928] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.667492][ T6928] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.668940][ T6928] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.670886][ T6928] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.693878][ T6928] 8021q: adding VLAN 0 to HW filter on device bond0 [ 116.699494][ T674] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.703879][ T674] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.711362][ T6928] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.716256][ T674] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.717801][ T674] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.722295][ T674] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.723757][ T674] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.799782][ T6928] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 116.819159][ T6928] veth0_vlan: entered promiscuous mode [ 116.824160][ T6928] veth1_vlan: entered promiscuous mode [ 116.835276][ T6928] veth0_macvtap: entered promiscuous mode [ 116.838211][ T6928] veth1_macvtap: entered promiscuous mode [ 116.844188][ T6928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 116.846458][ T6928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 116.849210][ T6928] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 116.853490][ T6928] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 116.855683][ T6928] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 116.858316][ T6928] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 116.864227][ T6928] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.865991][ T6928] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.867748][ T6928] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.869712][ T6928] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.902964][ T674] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.904546][ T674] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.914790][ T293] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.916488][ T293] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.850821][ T5992] Bluetooth: hci1: command tx timeout [ 119.940802][ T5992] Bluetooth: hci1: command tx timeout [ 119.970878][ T6040] udevd[6040]: worker [6615] /devices/virtual/block/nbd0 is taking a long time [ 120.180915][ T58] block nbd0: Possible stuck request 00000000036229cd: control (read@0,4096B). Runtime 60 seconds [ 122.010799][ T5992] Bluetooth: hci1: command tx timeout [ 124.100847][ T5992] Bluetooth: hci1: command tx timeout [ 125.931775][ T2348] ieee802154 phy0 wpan0: encryption failed: -22 [ 125.933095][ T2348] ieee802154 phy1 wpan1: encryption failed: -22 [ 150.272535][ T58] block nbd0: Possible stuck request 00000000036229cd: control (read@0,4096B). Runtime 90 seconds 1970/01/01 00:02:51 executed programs: 2 [ 172.995704][ T6431] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 172.998016][ T6431] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 173.000000][ T6431] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 173.003558][ T6431] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 173.005798][ T6431] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 173.007932][ T6431] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 173.080241][ T6945] chnl_net:caif_netlink_parms(): no params data found [ 173.104509][ T6945] bridge0: port 1(bridge_slave_0) entered blocking state [ 173.106112][ T6945] bridge0: port 1(bridge_slave_0) entered disabled state [ 173.107718][ T6945] bridge_slave_0: entered allmulticast mode [ 173.109340][ T6945] bridge_slave_0: entered promiscuous mode [ 173.111989][ T6945] bridge0: port 2(bridge_slave_1) entered blocking state [ 173.113488][ T6945] bridge0: port 2(bridge_slave_1) entered disabled state [ 173.115043][ T6945] bridge_slave_1: entered allmulticast mode [ 173.116628][ T6945] bridge_slave_1: entered promiscuous mode [ 173.128146][ T6945] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 173.131686][ T6945] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 173.141867][ T6945] team0: Port device team_slave_0 added [ 173.144667][ T6945] team0: Port device team_slave_1 added [ 173.154964][ T6945] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 173.156475][ T6945] 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. [ 173.161826][ T6945] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 173.165163][ T6945] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 173.166595][ T6945] 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. [ 173.172292][ T6945] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 173.222408][ T6945] hsr_slave_0: entered promiscuous mode [ 173.261027][ T6945] hsr_slave_1: entered promiscuous mode [ 173.301109][ T6945] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 173.302703][ T6945] Cannot create hsr debugfs directory [ 173.402314][ T6945] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 173.482353][ T6945] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 173.602426][ T6945] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 173.693499][ T6945] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 173.850063][ T6945] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 173.855630][ T6945] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 173.858716][ T6945] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 173.861875][ T6945] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 173.876083][ T6945] bridge0: port 2(bridge_slave_1) entered blocking state [ 173.877509][ T6945] bridge0: port 2(bridge_slave_1) entered forwarding state [ 173.879049][ T6945] bridge0: port 1(bridge_slave_0) entered blocking state [ 173.880542][ T6945] bridge0: port 1(bridge_slave_0) entered forwarding state [ 173.904197][ T6945] 8021q: adding VLAN 0 to HW filter on device bond0 [ 173.910617][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 173.913404][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 173.921305][ T6945] 8021q: adding VLAN 0 to HW filter on device team0 [ 173.926977][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 173.928592][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 173.937225][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 173.938914][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 174.015498][ T6945] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 174.034801][ T6945] veth0_vlan: entered promiscuous mode [ 174.038905][ T6945] veth1_vlan: entered promiscuous mode [ 174.050430][ T6945] veth0_macvtap: entered promiscuous mode [ 174.055868][ T6945] veth1_macvtap: entered promiscuous mode [ 174.067051][ T6945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 174.069299][ T6945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 174.071925][ T6945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 174.074130][ T6945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 174.076668][ T6945] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 174.080755][ T6945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 174.082953][ T6945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 174.085417][ T6945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 174.087626][ T6945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 174.090302][ T6945] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 174.094875][ T6945] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 174.096568][ T6945] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 174.098373][ T6945] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 174.100162][ T6945] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 174.134160][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 174.135684][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 174.149029][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 174.152167][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 175.060858][ T5992] Bluetooth: hci2: command tx timeout [ 177.132770][ T5992] Bluetooth: hci2: command tx timeout [ 179.211069][ T5992] Bluetooth: hci2: command tx timeout [ 180.331224][ T41] block nbd0: Possible stuck request 00000000036229cd: control (read@0,4096B). Runtime 120 seconds [ 181.290907][ T5992] Bluetooth: hci2: command tx timeout [ 184.340776][ T6431] Bluetooth: hci0: command 0x0406 tx timeout [ 187.373220][ T2348] ieee802154 phy0 wpan0: encryption failed: -22 [ 187.374529][ T2348] ieee802154 phy1 wpan1: encryption failed: -22 [ 210.411011][ T41] block nbd0: Possible stuck request 00000000036229cd: control (read@0,4096B). Runtime 150 seconds [ 220.010950][ T31] INFO: task syz-executor.0:6736 blocked for more than 143 seconds. [ 220.012684][ T31] Not tainted 6.12.0-syzkaller-00237-g7b1d1d4cfac0 #0 [ 220.014220][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 220.015881][ T31] task:syz-executor.0 state:D stack:0 pid:6736 tgid:6735 ppid:6613 flags:0x0000000d [ 220.017824][ T31] Call trace: [ 220.018454][ T31] __switch_to+0x414/0x788 (T) [ 220.019393][ T31] __schedule+0x16e0/0x27d0 [ 220.020266][ T31] schedule+0xbc/0x238 [ 220.021224][ T31] schedule_preempt_disabled+0x18/0x2c [ 220.022298][ T31] __mutex_lock_common+0xbd8/0x21a0 [ 220.023331][ T31] mutex_lock_nested+0x2c/0x38 [ 220.024318][ T31] bdev_release+0x168/0x644 [ 220.025316][ T31] blkdev_release+0x20/0x34 [ 220.026217][ T31] __fput+0x1bc/0x75c [ 220.026979][ T31] ____fput+0x20/0x30 [ 220.027852][ T31] task_work_run+0x230/0x2e0 [ 220.028785][ T31] get_signal+0x1350/0x152c [ 220.029686][ T31] do_signal+0x23c/0x391c [ 220.030546][ T31] do_notify_resume+0x74/0x1f4 [ 220.031598][ T31] el0_svc+0xac/0x168 [ 220.032428][ T31] el0t_64_sync_handler+0x84/0x108 [ 220.033461][ T31] el0t_64_sync+0x198/0x19c [ 220.034383][ T31] [ 220.034383][ T31] Showing all locks held in the system: [ 220.035864][ T31] 1 lock held by khungtaskd/31: [ 220.036841][ T31] #0: ffff80008faafee0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 220.038746][ T31] 2 locks held by getty/6185: [ 220.039724][ T31] #0: ffff0000d2dac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 220.041733][ T31] #1: ffff80009b94b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 220.043890][ T31] 1 lock held by udevd/6615: [ 220.044767][ T31] #0: ffff0000ca63b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 [ 220.046628][ T31] 1 lock held by syz-executor.0/6736: [ 220.047683][ T31] #0: ffff0000ca63b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x168/0x644 [ 220.049683][ T31] 1 lock held by syz-executor.0/6942: [ 220.050844][ T31] #0: ffff0000ca63b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 [ 220.052667][ T31] 1 lock held by syz-executor.0/6958: [ 220.053722][ T31] #0: ffff0000ca63b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xd0/0xbd0 [ 220.055623][ T31] [ 220.056061][ T31] ============================================= [ 220.056061][ T31] [ 220.057621][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 220.058996][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.12.0-syzkaller-00237-g7b1d1d4cfac0 #0 [ 220.060890][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 220.062772][ T31] Call trace: [ 220.063401][ T31] show_stack+0x2c/0x3c (C) [ 220.064276][ T31] dump_stack_lvl+0xe4/0x150 [ 220.065135][ T31] dump_stack+0x1c/0x28 [ 220.065931][ T31] panic+0x300/0x8a0 [ 220.066709][ T31] hung_task_panic+0x0/0x2c [ 220.067624][ T31] kthread+0x288/0x310 [ 220.068435][ T31] ret_from_fork+0x10/0x20 [ 220.069363][ T31] SMP: stopping secondary CPUs [ 220.070304][ T31] Kernel Offset: disabled [ 220.071170][ T31] CPU features: 0x40,0000081c,00800250,82017203 [ 220.072450][ T31] Memory Limit: none [ 220.563634][ T31] Rebooting in 86400 seconds..