DUID 00:04:1b:4d:40:85:b1:6b:61:74:2c:72:11:ce:21:17:3d:97 forked to background, child pid 3172 [ 29.746766][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.757592][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 81.345271][ T1067] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.10.20' (ECDSA) to the list of known hosts. 2023/06/27 15:27:29 ignoring optional flag "sandboxArg"="0" 2023/06/27 15:27:29 parsed 1 programs [ 1081.756847][ T3562] cgroup: Unknown subsys name 'net' [ 1081.930498][ T3562] cgroup: Unknown subsys name 'rlimit' 2023/06/27 15:27:31 executed programs: 0 [ 1083.266026][ T3562] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 1083.427581][ T3571] chnl_net:caif_netlink_parms(): no params data found [ 1083.476803][ T3571] bridge0: port 1(bridge_slave_0) entered blocking state [ 1083.484378][ T3571] bridge0: port 1(bridge_slave_0) entered disabled state [ 1083.492221][ T3571] device bridge_slave_0 entered promiscuous mode [ 1083.502107][ T3571] bridge0: port 2(bridge_slave_1) entered blocking state [ 1083.509346][ T3571] bridge0: port 2(bridge_slave_1) entered disabled state [ 1083.517199][ T3571] device bridge_slave_1 entered promiscuous mode [ 1083.538744][ T3571] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1083.549824][ T3571] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1083.572494][ T3571] team0: Port device team_slave_0 added [ 1083.580025][ T3571] team0: Port device team_slave_1 added [ 1083.598203][ T3571] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1083.605298][ T3571] 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. [ 1083.631196][ T3571] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1083.643947][ T3571] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1083.650897][ T3571] 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. [ 1083.677067][ T3571] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1083.707901][ T3571] device hsr_slave_0 entered promiscuous mode [ 1083.715065][ T3571] device hsr_slave_1 entered promiscuous mode [ 1083.799812][ T3571] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1083.810213][ T3571] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1083.819376][ T3571] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1083.828253][ T3571] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1083.849627][ T3571] bridge0: port 2(bridge_slave_1) entered blocking state [ 1083.856994][ T3571] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1083.864768][ T3571] bridge0: port 1(bridge_slave_0) entered blocking state [ 1083.871841][ T3571] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1083.918719][ T3571] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1083.930780][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1083.940760][ T3246] bridge0: port 1(bridge_slave_0) entered disabled state [ 1083.950275][ T3246] bridge0: port 2(bridge_slave_1) entered disabled state [ 1083.959269][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1083.972889][ T3571] 8021q: adding VLAN 0 to HW filter on device team0 [ 1083.984206][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1083.992646][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 1083.999725][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1084.024345][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1084.032754][ T3246] bridge0: port 2(bridge_slave_1) entered blocking state [ 1084.039891][ T3246] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1084.048257][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1084.057506][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1084.066779][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1084.077273][ T3582] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1084.085197][ T3582] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1084.098685][ T3571] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1084.168563][ T3571] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1084.176539][ T3581] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1084.184060][ T3581] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1084.204625][ T3581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1084.221064][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1084.229362][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1084.238163][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1084.248183][ T3571] device veth0_vlan entered promiscuous mode [ 1084.259238][ T3571] device veth1_vlan entered promiscuous mode [ 1084.277033][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1084.285727][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1084.294194][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1084.305153][ T3571] device veth0_macvtap entered promiscuous mode [ 1084.314512][ T3571] device veth1_macvtap entered promiscuous mode [ 1084.331056][ T3571] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1084.338726][ T3581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1084.348317][ T3581] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1084.359190][ T3571] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1084.367316][ T3581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1084.377889][ T3571] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1084.386995][ T3571] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1084.398022][ T3571] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1084.406939][ T3571] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1084.461918][ T3580] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1084.483516][ T3580] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1084.492653][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1084.493419][ T3582] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1084.501555][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1084.516303][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1085.344099][ T3564] Bluetooth: hci0: command 0x0409 tx timeout [ 1087.423720][ T3564] Bluetooth: hci0: command 0x041b tx timeout [ 1089.503156][ T2002] Bluetooth: hci0: command 0x040f tx timeout [ 1091.583282][ T2002] Bluetooth: hci0: command 0x0419 tx timeout [ 1115.585151][ T1384] ieee802154 phy0 wpan0: encryption failed: -22 [ 1115.591782][ T1384] ieee802154 phy1 wpan1: encryption failed: -22 [ 1177.024472][ T1384] ieee802154 phy0 wpan0: encryption failed: -22 [ 1177.030754][ T1384] ieee802154 phy1 wpan1: encryption failed: -22 [ 1209.823104][ T13] Bluetooth: hci0: command 0x0406 tx timeout [ 1238.474884][ T1384] ieee802154 phy0 wpan0: encryption failed: -22 [ 1238.481166][ T1384] ieee802154 phy1 wpan1: encryption failed: -22 [ 1245.503208][ T27] INFO: task syz-executor.0:3571 blocked for more than 143 seconds. [ 1245.511385][ T27] Not tainted 5.15.118-syzkaller #0 [ 1245.517302][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1245.526020][ T27] task:syz-executor.0 state:D stack:18848 pid: 3571 ppid: 1 flags:0x00004004 [ 1245.535279][ T27] Call Trace: [ 1245.538562][ T27] [ 1245.541489][ T27] __schedule+0x12c4/0x4590 [ 1245.546151][ T27] ? __sched_text_start+0x8/0x8 [ 1245.551013][ T27] ? __mutex_trylock_common+0x8d/0x2e0 [ 1245.556688][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 1245.561956][ T27] schedule+0x11b/0x1f0 [ 1245.566167][ T27] schedule_preempt_disabled+0xf/0x20 [ 1245.571558][ T27] __mutex_lock_common+0xe34/0x25a0 [ 1245.576823][ T27] ? fuse_lock_inode+0xcf/0x120 [ 1245.581752][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 1245.587094][ T27] ? __lock_acquire+0x1ff0/0x1ff0 [ 1245.592142][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 1245.597412][ T27] mutex_lock_nested+0x17/0x20 [ 1245.602188][ T27] fuse_lock_inode+0xcf/0x120 [ 1245.606912][ T27] fuse_lookup+0x111/0x600 [ 1245.611375][ T27] ? fuse_perm_getattr+0x50/0x50 [ 1245.616383][ T27] ? d_hash_and_lookup+0x1b0/0x1b0 [ 1245.621577][ T27] ? __init_waitqueue_head+0xaa/0x140 [ 1245.627038][ T27] __lookup_slow+0x275/0x3d0 [ 1245.631683][ T27] ? lookup_one_len+0x2d0/0x2d0 [ 1245.636654][ T27] ? down_read+0x1b3/0x2e0 [ 1245.641088][ T27] lookup_slow+0x53/0x70 [ 1245.645363][ T27] walk_component+0x48c/0x610 [ 1245.650053][ T27] ? seqcount_lockdep_reader_access+0x149/0x220 [ 1245.656363][ T27] ? set_root+0x175/0x3b0 [ 1245.660834][ T27] ? nd_alloc_stack+0xf0/0xf0 [ 1245.665865][ T27] ? read_lock_is_recursive+0x10/0x10 [ 1245.671272][ T27] ? inode_permission+0xf7/0x450 [ 1245.676495][ T27] ? fuse_do_getattr+0x1210/0x1210 [ 1245.681609][ T27] ? bpf_lsm_inode_permission+0x5/0x10 [ 1245.688228][ T27] ? security_inode_permission+0xad/0xf0 [ 1245.694141][ T27] link_path_walk+0x642/0xd90 [ 1245.698830][ T27] ? set_root+0x332/0x3b0 [ 1245.704186][ T27] ? handle_lookup_down+0x130/0x130 [ 1245.709389][ T27] path_openat+0x249/0x2f20 [ 1245.714201][ T27] ? validate_chain+0x112/0x58b0 [ 1245.719134][ T27] ? finish_lock_switch+0x8f/0x100 [ 1245.725270][ T27] ? mark_lock+0x98/0x340 [ 1245.729603][ T27] ? do_filp_open+0x460/0x460 [ 1245.734917][ T27] do_filp_open+0x21c/0x460 [ 1245.739418][ T27] ? vfs_tmpfile+0x2e0/0x2e0 [ 1245.745571][ T27] ? _raw_spin_unlock+0x24/0x40 [ 1245.750448][ T27] ? alloc_fd+0x594/0x630 [ 1245.755092][ T27] do_sys_openat2+0x13b/0x500 [ 1245.759793][ T27] ? read_lock_is_recursive+0x10/0x10 [ 1245.765886][ T27] ? do_sys_open+0x220/0x220 [ 1245.770497][ T27] ? rcu_is_watching+0x11/0xa0 [ 1245.775550][ T27] __x64_sys_openat+0x243/0x290 [ 1245.780398][ T27] ? __ia32_sys_open+0x270/0x270 [ 1245.785617][ T27] ? syscall_enter_from_user_mode+0x2e/0x230 [ 1245.791656][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 1245.797122][ T27] ? syscall_enter_from_user_mode+0x2e/0x230 [ 1245.803317][ T27] do_syscall_64+0x3d/0xb0 [ 1245.807733][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 1245.814026][ T27] RIP: 0033:0x7fd2336fee98 [ 1245.818446][ T27] RSP: 002b:00007ffe1f788ed0 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 1245.827160][ T27] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd2336fee98 [ 1245.835299][ T27] RDX: 0000000000090800 RSI: 00007fd2337494df RDI: 00000000ffffff9c [ 1245.844198][ T27] RBP: 00007ffe1f788f9c R08: 0000000000090800 R09: 00007fd2337494df [ 1245.852190][ T27] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 [ 1245.860230][ T27] R13: 0000000000108cac R14: 0000000000000006 R15: 00007ffe1f789000 [ 1245.868448][ T27] [ 1245.871499][ T27] INFO: task syz-executor.0:3591 blocked for more than 143 seconds. [ 1245.879539][ T27] Not tainted 5.15.118-syzkaller #0 [ 1245.885275][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1245.893975][ T27] task:syz-executor.0 state:D stack:24464 pid: 3591 ppid: 3571 flags:0x00004004 [ 1245.903229][ T27] Call Trace: [ 1245.906517][ T27] [ 1245.909443][ T27] __schedule+0x12c4/0x4590 [ 1245.913993][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 1245.919986][ T27] ? print_irqtrace_events+0x210/0x210 [ 1245.925497][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 1245.930701][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 1245.936639][ T27] ? __sched_text_start+0x8/0x8 [ 1245.941495][ T27] ? __might_sleep+0xc0/0xc0 [ 1245.946274][ T27] ? prepare_to_wait_event+0x3aa/0x3e0 [ 1245.951759][ T27] schedule+0x11b/0x1f0 [ 1245.955978][ T27] fuse_simple_request+0x112f/0x1a00 [ 1245.961287][ T27] ? fuse_put_request+0x2c0/0x2c0 [ 1245.966500][ T27] ? init_wait_entry+0xd0/0xd0 [ 1245.971291][ T27] ? init_wait_entry+0xd0/0xd0 [ 1245.976121][ T27] ? init_wait_entry+0xd0/0xd0 [ 1245.980913][ T27] ? fuse_lookup_name+0x148/0x820 [ 1245.986100][ T27] fuse_lookup_name+0x354/0x820 [ 1245.990974][ T27] ? fuse_invalid_attr+0x110/0x110 [ 1245.996140][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 1246.001359][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 1246.006594][ T27] ? mutex_lock_nested+0x17/0x20 [ 1246.011559][ T27] fuse_lookup+0x17e/0x600 [ 1246.016054][ T27] ? fuse_perm_getattr+0x50/0x50 [ 1246.021015][ T27] ? d_hash_and_lookup+0x1b0/0x1b0 [ 1246.026175][ T27] ? __init_waitqueue_head+0xaa/0x140 [ 1246.031576][ T27] __lookup_slow+0x275/0x3d0 [ 1246.036233][ T27] ? lookup_one_len+0x2d0/0x2d0 [ 1246.041106][ T27] ? down_read+0x1b3/0x2e0 [ 1246.045585][ T27] lookup_slow+0x53/0x70 [ 1246.049839][ T27] walk_component+0x48c/0x610 [ 1246.054566][ T27] ? seqcount_lockdep_reader_access+0x149/0x220 [ 1246.060821][ T27] ? set_root+0x175/0x3b0 [ 1246.065179][ T27] ? nd_alloc_stack+0xf0/0xf0 [ 1246.069972][ T27] ? read_lock_is_recursive+0x10/0x10 [ 1246.075417][ T27] ? inode_permission+0xf7/0x450 [ 1246.080368][ T27] ? fuse_do_getattr+0x1210/0x1210 [ 1246.085506][ T27] ? bpf_lsm_inode_permission+0x5/0x10 [ 1246.091009][ T27] ? security_inode_permission+0xad/0xf0 [ 1246.096696][ T27] link_path_walk+0x642/0xd90 [ 1246.101392][ T27] ? set_root+0x332/0x3b0 [ 1246.105779][ T27] ? handle_lookup_down+0x130/0x130 [ 1246.110995][ T27] path_openat+0x249/0x2f20 [ 1246.115562][ T27] ? validate_chain+0x112/0x58b0 [ 1246.120515][ T27] ? mark_lock+0x98/0x340 [ 1246.124885][ T27] ? do_filp_open+0x460/0x460 [ 1246.129588][ T27] do_filp_open+0x21c/0x460 [ 1246.134160][ T27] ? vfs_tmpfile+0x2e0/0x2e0 [ 1246.138772][ T27] ? _raw_spin_unlock+0x24/0x40 [ 1246.143759][ T27] ? alloc_fd+0x594/0x630 [ 1246.148111][ T27] do_sys_openat2+0x13b/0x500 [ 1246.152791][ T27] ? read_lock_is_recursive+0x10/0x10 [ 1246.158211][ T27] ? do_sys_open+0x220/0x220 [ 1246.162819][ T27] __x64_sys_openat+0x243/0x290 [ 1246.167726][ T27] ? __ia32_sys_open+0x270/0x270 [ 1246.172843][ T27] ? syscall_enter_from_user_mode+0x2e/0x230 [ 1246.178902][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 1246.184156][ T27] ? syscall_enter_from_user_mode+0x2e/0x230 [ 1246.190151][ T27] do_syscall_64+0x3d/0xb0 [ 1246.194614][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 1246.200516][ T27] RIP: 0033:0x7fd2336b1404 [ 1246.204952][ T27] RSP: 002b:00007fd232a4fec0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 1246.213407][ T27] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd2336b1404 [ 1246.221370][ T27] RDX: 0000000000000002 RSI: 00007fd232a4ffe0 RDI: 00000000ffffff9c [ 1246.229367][ T27] RBP: 00007fd232a4ffe0 R08: 0000000000000000 R09: 00000000000004a0 [ 1246.237369][ T27] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 1246.245361][ T27] R13: 00007fd232a4ffdc R14: 00007fd232a4ffe0 R15: 0000000020000a42 [ 1246.253387][ T27] [ 1246.256417][ T27] [ 1246.256417][ T27] Showing all locks held in the system: [ 1246.264183][ T27] 1 lock held by khungtaskd/27: [ 1246.269033][ T27] #0: ffffffff8c91c5e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 1246.278583][ T27] 2 locks held by getty/3261: [ 1246.283328][ T27] #0: ffff888024305098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 1246.293233][ T27] #1: ffffc900020a32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1da0 [ 1246.303381][ T27] 2 locks held by syz-executor.0/3571: [ 1246.308839][ T27] #0: ffff88806ece8150 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x45/0x70 [ 1246.318809][ T27] #1: ffff88806ece85b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xcf/0x120 [ 1246.327989][ T27] 2 locks held by syz-executor.0/3591: [ 1246.333484][ T27] #0: ffff88806ece8150 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x45/0x70 [ 1246.343487][ T27] #1: ffff88806ece85b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xcf/0x120 [ 1246.352693][ T27] [ 1246.355063][ T27] ============================================= [ 1246.355063][ T27] [ 1246.363510][ T27] NMI backtrace for cpu 0 [ 1246.367836][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.118-syzkaller #0 [ 1246.375796][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 1246.385858][ T27] Call Trace: [ 1246.389134][ T27] [ 1246.392058][ T27] dump_stack_lvl+0x1e3/0x2cb [ 1246.396730][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 1246.402358][ T27] ? panic+0x84d/0x84d [ 1246.406417][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 1246.411583][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 1246.416525][ T27] ? __wake_up_klogd+0xd5/0x100 [ 1246.421370][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 1246.427515][ T27] ? _printk+0xd1/0x111 [ 1246.431661][ T27] ? panic+0x84d/0x84d [ 1246.435721][ T27] ? __wake_up_klogd+0xcc/0x100 [ 1246.440564][ T27] ? panic+0x84d/0x84d [ 1246.444628][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 1246.450735][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 1246.456707][ T27] watchdog+0xe72/0xeb0 [ 1246.460890][ T27] kthread+0x3f6/0x4f0 [ 1246.464967][ T27] ? hungtask_pm_notify+0x50/0x50 [ 1246.469981][ T27] ? kthread_blkcg+0xd0/0xd0 [ 1246.474567][ T27] ret_from_fork+0x1f/0x30 [ 1246.478994][ T27] [ 1246.482191][ T27] Sending NMI from CPU 0 to CPUs 1: [ 1246.487481][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 1246.488502][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 1246.503998][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.118-syzkaller #0 [ 1246.511977][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 1246.522019][ T27] Call Trace: [ 1246.525289][ T27] [ 1246.528208][ T27] dump_stack_lvl+0x1e3/0x2cb [ 1246.532881][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 1246.538505][ T27] ? panic+0x84d/0x84d [ 1246.542570][ T27] panic+0x318/0x84d [ 1246.546459][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 1246.552085][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 1246.558230][ T27] ? fb_is_primary_device+0xcc/0xcc [ 1246.563427][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 1246.569502][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 1246.575642][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 1246.581792][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 1246.587942][ T27] watchdog+0xeb0/0xeb0 [ 1246.592095][ T27] kthread+0x3f6/0x4f0 [ 1246.596153][ T27] ? hungtask_pm_notify+0x50/0x50 [ 1246.601166][ T27] ? kthread_blkcg+0xd0/0xd0 [ 1246.605748][ T27] ret_from_fork+0x1f/0x30 [ 1246.610161][ T27] [ 1246.613333][ T27] Kernel Offset: disabled [ 1246.617658][ T27] Rebooting in 86400 seconds..