[ 37.466360][ T148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.913197][ T148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.963261][ T148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.025031][ T148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.143483][ T148] device hsr_slave_0 left promiscuous mode [ 41.189913][ T148] device hsr_slave_1 left promiscuous mode [ 41.279540][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 41.280992][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 41.283721][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 41.285028][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 41.286515][ T148] device bridge_slave_1 left promiscuous mode [ 41.287919][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.340910][ T148] device bridge_slave_0 left promiscuous mode [ 41.342023][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.459708][ T148] device veth1_macvtap left promiscuous mode [ 41.460816][ T148] device veth0_macvtap left promiscuous mode [ 41.461856][ T148] device veth1_vlan left promiscuous mode [ 41.462902][ T148] device veth0_vlan left promiscuous mode [ 41.568206][ T148] team0 (unregistering): Port device team_slave_1 removed [ 41.577279][ T148] team0 (unregistering): Port device team_slave_0 removed [ 41.581854][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 41.616181][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 41.743825][ T148] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.17' (ED25519) to the list of known hosts. 1970/01/01 00:00:42 ignoring optional flag "type"="gce" 1970/01/01 00:00:42 parsed 1 programs 1970/01/01 00:00:42 executed programs: 0 [ 42.260370][ T4254] chnl_net:caif_netlink_parms(): no params data found [ 42.280737][ T4254] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.282025][ T4254] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.283559][ T4254] device bridge_slave_0 entered promiscuous mode [ 42.285644][ T4254] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.286943][ T4254] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.288567][ T4254] device bridge_slave_1 entered promiscuous mode [ 42.298066][ T4254] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.300907][ T4254] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.309366][ T4254] team0: Port device team_slave_0 added [ 42.311739][ T4254] team0: Port device team_slave_1 added [ 42.319666][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.322554][ T4254] 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. [ 42.327183][ T4254] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.330092][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.331345][ T4254] 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. [ 42.336035][ T4254] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.380640][ T4254] device hsr_slave_0 entered promiscuous mode [ 42.429710][ T4254] device hsr_slave_1 entered promiscuous mode [ 43.060525][ T4254] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.092661][ T4254] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.150690][ T4254] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.190796][ T4254] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.245973][ T4254] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.251684][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.253236][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.256494][ T4254] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.259468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.261110][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.262593][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.263863][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.265435][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.268977][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.272804][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.274438][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.275720][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.279855][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.284205][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.286011][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.287973][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.296042][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.298595][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.300913][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.315490][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.317389][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.319083][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.321333][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.323840][ T4254] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.395251][ T4254] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.400214][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.401501][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.405086][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.407071][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.423599][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.425272][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.427198][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.428748][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.432482][ T4254] device veth0_vlan entered promiscuous mode [ 43.436300][ T4254] device veth1_vlan entered promiscuous mode [ 43.447348][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.448996][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.452856][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.454604][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.457616][ T4254] device veth0_macvtap entered promiscuous mode [ 43.461826][ T4254] device veth1_macvtap entered promiscuous mode [ 43.467558][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.468853][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.471346][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 43.472891][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.474597][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.478734][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.481241][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.483009][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.486225][ T4254] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.487739][ T4254] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.489191][ T4254] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.491275][ T4254] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.674532][ T4369] loop0: detected capacity change from 0 to 32768 [ 43.689011][ T4369] gfs2: fsid=gfs2: Trying to join cluster "lock_nolock", "gfs2" [ 43.694580][ T4369] gfs2: fsid=gfs2: Now mounting FS (format 1801)... [ 43.712357][ T4369] gfs2: fsid=gfs2.s: journal 0 mapped with 3 extents in 0ms [ 44.250064][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 46.329741][ T21] Bluetooth: hci0: command 0x041b tx timeout [ 48.409678][ T21] Bluetooth: hci0: command 0x040f tx timeout [ 50.489455][ T4336] Bluetooth: hci0: command 0x0419 tx timeout [ 69.610888][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.612141][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.615451][ T1539] cfg80211: failed to load regulatory.db 1970/01/01 00:01:38 executed programs: 1 [ 99.583455][ T4481] chnl_net:caif_netlink_parms(): no params data found [ 99.602342][ T4481] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.603678][ T4481] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.605249][ T4481] device bridge_slave_0 entered promiscuous mode [ 99.607418][ T4481] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.608538][ T4481] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.610504][ T4481] device bridge_slave_1 entered promiscuous mode [ 99.618518][ T4481] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.621247][ T4481] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.629936][ T4481] team0: Port device team_slave_0 added [ 99.632107][ T4481] team0: Port device team_slave_1 added [ 99.638804][ T4481] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.640330][ T4481] 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. [ 99.644768][ T4481] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.647248][ T4481] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.648440][ T4481] 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. [ 99.653838][ T4481] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.700554][ T4481] device hsr_slave_0 entered promiscuous mode [ 99.739564][ T4481] device hsr_slave_1 entered promiscuous mode [ 99.779542][ T4481] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 99.780977][ T4481] Cannot create hsr debugfs directory [ 99.813945][ T4481] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.867754][ T4481] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.926894][ T4481] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.008959][ T4481] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.163480][ T4481] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.201462][ T4481] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.250866][ T4481] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.310782][ T4481] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.367596][ T4481] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.368884][ T4481] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.370605][ T4481] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.371868][ T4481] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.392536][ T4481] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.396776][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 100.398649][ T1605] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.400421][ T1605] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.402326][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 100.406521][ T4481] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.411150][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 100.412938][ T1605] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.414256][ T1605] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.417306][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 100.419012][ T1605] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.420364][ T1605] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.427675][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 100.429986][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 100.433373][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 100.436559][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 100.440448][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 100.443216][ T4481] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 100.484316][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 100.485796][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 100.489943][ T4481] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.496884][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 100.503850][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 100.505720][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 100.507970][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 100.512610][ T4481] device veth0_vlan entered promiscuous mode [ 100.516152][ T4481] device veth1_vlan entered promiscuous mode [ 100.524167][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 100.525722][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 100.527405][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 100.530771][ T4481] device veth0_macvtap entered promiscuous mode [ 100.533362][ T4481] device veth1_macvtap entered promiscuous mode [ 100.539020][ T4481] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 100.542389][ T4481] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.544914][ T4481] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.546147][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 100.548319][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 100.551908][ T4481] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 100.553565][ T4481] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.556063][ T4481] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.557527][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 100.561596][ T4481] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.563159][ T4481] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.564685][ T4481] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.566113][ T4481] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.609938][ T1539] Bluetooth: hci1: command 0x0409 tx timeout 1970/01/01 00:01:43 executed programs: 20 [ 103.699466][ T1539] Bluetooth: hci1: command 0x041b tx timeout [ 105.769794][ T13] Bluetooth: hci1: command 0x040f tx timeout [ 107.849483][ T21] Bluetooth: hci1: command 0x0419 tx timeout 1970/01/01 00:01:48 executed programs: 52 1970/01/01 00:01:53 executed programs: 85 1970/01/01 00:01:58 executed programs: 117 1970/01/01 00:02:03 executed programs: 149 1970/01/01 00:02:08 executed programs: 181 [ 131.050109][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 131.051331][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 1970/01/01 00:02:14 executed programs: 213 1970/01/01 00:02:19 executed programs: 246 1970/01/01 00:02:24 executed programs: 278 1970/01/01 00:02:29 executed programs: 310 1970/01/01 00:02:34 executed programs: 342 1970/01/01 00:02:39 executed programs: 374 1970/01/01 00:02:44 executed programs: 406 [ 168.969461][ T4074] Bluetooth: hci0: command 0x0406 tx timeout 1970/01/01 00:02:49 executed programs: 438 1970/01/01 00:02:54 executed programs: 470 1970/01/01 00:02:59 executed programs: 501 1970/01/01 00:03:04 executed programs: 533 1970/01/01 00:03:09 executed programs: 565 [ 192.490111][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 192.491454][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 1970/01/01 00:03:14 executed programs: 597 [ 196.329550][ T27] INFO: task syz-executor.0:4369 blocked for more than 143 seconds. [ 196.331046][ T27] Not tainted syzkaller #0 [ 196.331944][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 196.333600][ T27] task:syz-executor.0 state:D stack: 0 pid: 4369 ppid: 4254 flags:0x0000000d [ 196.335147][ T27] Call trace: [ 196.335673][ T27] __switch_to+0x2f4/0x540 [ 196.336394][ T27] __schedule+0xe20/0x1c6c [ 196.337230][ T27] schedule+0x11c/0x1c8 [ 196.338055][ T27] io_schedule+0x84/0x160 [ 196.338744][ T27] wait_on_page_bit_common+0x658/0xab4 [ 196.340606][ T27] wait_on_page_bit+0x58/0x68 [ 196.341447][ T27] gfs2_jhead_process_page+0x1e0/0x6b4 [ 196.342426][ T27] gfs2_find_jhead+0x84c/0xd40 [ 196.343284][ T27] check_journal_clean+0x190/0x2f8 [ 196.344130][ T27] init_journal+0x1344/0x1dfc [ 196.344943][ T27] init_inodes+0xe0/0x2e0 [ 196.345716][ T27] gfs2_fill_super+0x129c/0x1a9c [ 196.346525][ T27] get_tree_bdev+0x35c/0x54c [ 196.347274][ T27] gfs2_get_tree+0x58/0x1b8 [ 196.348006][ T27] vfs_get_tree+0x90/0x278 [ 196.348711][ T27] do_new_mount+0x228/0x804 [ 196.349957][ T27] path_mount+0x57c/0xfe8 [ 196.350749][ T27] __arm64_sys_mount+0x488/0x5f8 [ 196.351540][ T27] invoke_syscall+0x98/0x28c [ 196.352314][ T27] el0_svc_common+0x13c/0x258 [ 196.353135][ T27] do_el0_svc+0x5c/0x140 [ 196.353873][ T27] el0_svc+0x78/0x1d0 [ 196.354532][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 196.355388][ T27] el0t_64_sync+0x1a0/0x1a4 [ 196.356249][ T27] [ 196.356249][ T27] Showing all locks held in the system: [ 196.357530][ T27] 1 lock held by khungtaskd/27: [ 196.358325][ T27] #0: ffff800014581460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 196.361062][ T27] 2 locks held by getty/3802: [ 196.361833][ T27] #0: ffff0000d35a1098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 196.363389][ T27] #1: ffff80001bf9b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf90 [ 196.365022][ T27] 1 lock held by syz-executor.0/4369: [ 196.365848][ T27] #0: ffff0000dabc40e0 (&type->s_umount_key#48/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x860 [ 196.367564][ T27] 2 locks held by syz-executor.0/5712: [ 196.368426][ T27] [ 196.368820][ T27] ============================================= [ 196.368820][ T27] [ 196.370879][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 196.372034][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 196.373229][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 196.375152][ T27] Call trace: [ 196.375692][ T27] dump_backtrace+0x0/0x458 [ 196.376510][ T27] show_stack+0x2c/0x3c [ 196.377174][ T27] __dump_stack+0x30/0x40 [ 196.377891][ T27] dump_stack_lvl+0xf4/0x15c [ 196.378620][ T27] dump_stack+0x1c/0x5c [ 196.379234][ T27] panic+0x2fc/0x860 [ 196.379870][ T27] hung_task_panic+0x0/0x2c [ 196.380648][ T27] kthread+0x37c/0x460 [ 196.381360][ T27] ret_from_fork+0x10/0x20 [ 196.382115][ T27] SMP: stopping secondary CPUs [ 196.382972][ T27] Kernel Offset: disabled [ 196.383764][ T27] CPU features: 0xa,000003c1,7d33ffd9 [ 196.384671][ T27] Memory Limit: none [ 196.585407][ T27] Rebooting in 86400 seconds..