Warning: Permanently added '10.128.1.252' (ED25519) to the list of known hosts. 2025/10/28 01:16:06 ignoring optional flag "type"="gce" 2025/10/28 01:16:06 parsed 1 programs 2025/10/28 01:16:09 executed programs: 0 [ 127.307219][ T6013] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 127.399964][ T5142] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 127.408163][ T5142] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 127.416256][ T5142] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 127.426061][ T5142] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 127.433910][ T5142] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 127.642806][ T6020] chnl_net:caif_netlink_parms(): no params data found [ 127.741757][ T6020] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.748897][ T6020] bridge0: port 1(bridge_slave_0) entered disabled state [ 127.756681][ T6020] bridge_slave_0: entered allmulticast mode [ 127.764260][ T6020] bridge_slave_0: entered promiscuous mode [ 127.773245][ T6020] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.780400][ T6020] bridge0: port 2(bridge_slave_1) entered disabled state [ 127.787641][ T6020] bridge_slave_1: entered allmulticast mode [ 127.795265][ T6020] bridge_slave_1: entered promiscuous mode [ 127.833868][ T6020] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 127.846134][ T6020] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 127.886605][ T6020] team0: Port device team_slave_0 added [ 127.895158][ T6020] team0: Port device team_slave_1 added [ 127.930998][ T6020] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 127.938046][ T6020] 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. [ 127.964228][ T6020] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 127.976844][ T6020] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 127.983889][ T6020] 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. [ 128.009944][ T6020] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 128.065942][ T6020] hsr_slave_0: entered promiscuous mode [ 128.072552][ T6020] hsr_slave_1: entered promiscuous mode [ 128.738357][ T6020] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 128.753516][ T6020] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 128.766156][ T6020] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 128.777526][ T6020] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 128.900311][ T6020] 8021q: adding VLAN 0 to HW filter on device bond0 [ 128.932664][ T6020] 8021q: adding VLAN 0 to HW filter on device team0 [ 128.948727][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.955923][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 128.985674][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.992956][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 129.290125][ T6020] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 129.355330][ T6020] veth0_vlan: entered promiscuous mode [ 129.375126][ T6020] veth1_vlan: entered promiscuous mode [ 129.423810][ T6020] veth0_macvtap: entered promiscuous mode [ 129.435526][ T6020] veth1_macvtap: entered promiscuous mode [ 129.461440][ T6020] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 129.481409][ T6020] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 129.504552][ T1127] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.522521][ T5833] Bluetooth: hci0: command tx timeout [ 129.534588][ T1127] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.560370][ T1127] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.570068][ T1127] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.592108][ T5833] Bluetooth: hci0: command tx timeout [ 133.671762][ T5833] Bluetooth: hci0: command tx timeout [ 135.751849][ T5833] Bluetooth: hci0: command tx timeout [ 142.397921][ T1295] ieee802154 phy0 wpan0: encryption failed: -22 [ 142.405925][ T1295] ieee802154 phy1 wpan1: encryption failed: -22 [ 203.835404][ T1295] ieee802154 phy0 wpan0: encryption failed: -22 [ 203.841890][ T1295] ieee802154 phy1 wpan1: encryption failed: -22 [ 251.991762][ T5142] Bluetooth: hci0: command 0x0406 tx timeout [ 265.276973][ T1295] ieee802154 phy0 wpan0: encryption failed: -22 [ 265.283682][ T1295] ieee802154 phy1 wpan1: encryption failed: -22 [ 281.271953][ T31] INFO: task syz-executor.0:6020 blocked for more than 143 seconds. [ 281.279982][ T31] Not tainted syzkaller #0 [ 281.285071][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 281.293825][ T31] task:syz-executor.0 state:D stack:23528 pid:6020 tgid:6020 ppid:1 task_flags:0x400140 flags:0x00080003 [ 281.305910][ T31] Call Trace: [ 281.309196][ T31] [ 281.312232][ T31] __schedule+0x1190/0x5de0 [ 281.316782][ T31] ? check_path.constprop.0+0x24/0x50 [ 281.322663][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.328338][ T31] ? __lock_acquire+0x622/0x1c90 [ 281.333391][ T31] ? __pfx___schedule+0x10/0x10 [ 281.338316][ T31] ? find_held_lock+0x2b/0x80 [ 281.343187][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.348870][ T31] ? fuse_lock_inode+0xd2/0x110 [ 281.354045][ T31] schedule+0xe7/0x3a0 [ 281.358183][ T31] schedule_preempt_disabled+0x13/0x30 [ 281.363821][ T31] __mutex_lock+0x818/0x1060 [ 281.368460][ T31] ? fuse_lock_inode+0xd2/0x110 [ 281.373387][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 281.378449][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.384192][ T31] ? rcu_is_watching+0x12/0xc0 [ 281.388998][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.394690][ T31] ? fuse_lock_inode+0xd2/0x110 [ 281.399570][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.405312][ T31] fuse_lock_inode+0xd2/0x110 [ 281.410026][ T31] fuse_lookup+0x20d/0x560 [ 281.414488][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 281.419472][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.425212][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.430873][ T31] ? lockdep_init_map_type+0x5c/0x280 [ 281.436718][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.442524][ T31] __lookup_slow+0x251/0x460 [ 281.447157][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 281.452362][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.458032][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.463780][ T31] ? lookup_fast+0x156/0x610 [ 281.468407][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.474094][ T31] walk_component+0x353/0x5b0 [ 281.478937][ T31] link_path_walk+0x627/0xe20 [ 281.483754][ T31] path_openat+0x1b0/0x2cb0 [ 281.488318][ T31] ? __pfx_path_openat+0x10/0x10 [ 281.493372][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 281.498371][ T31] do_filp_open+0x20b/0x470 [ 281.503005][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 281.508106][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.513791][ T31] ? alloc_fd+0x471/0x7d0 [ 281.518172][ T31] do_sys_openat2+0x11b/0x1d0 [ 281.522963][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 281.528194][ T31] ? rcu_is_watching+0x12/0xc0 [ 281.533014][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.538675][ T31] ? __rseq_handle_notify_resume+0x66e/0x10c0 [ 281.544869][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.550582][ T31] ? blkcg_maybe_throttle_current+0x650/0xf30 [ 281.556699][ T31] __x64_sys_openat+0x174/0x210 [ 281.561630][ T31] ? __pfx___x64_sys_openat+0x10/0x10 [ 281.567047][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.572775][ T31] do_syscall_64+0xcd/0xfa0 [ 281.577316][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.583271][ T31] RIP: 0033:0x7fddf107d901 [ 281.587701][ T31] RSP: 002b:00007ffcd936f700 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 281.596184][ T31] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fddf107d901 [ 281.604224][ T31] RDX: 0000000000090800 RSI: 00007fddf10c945d RDI: 00000000ffffff9c [ 281.612230][ T31] RBP: 00007ffcd936f7cc R08: 0000000000000000 R09: 00007fddf1ddc000 [ 281.620230][ T31] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 [ 281.628231][ T31] R13: 000000000001fa6d R14: 000000000001fa3d R15: 0000000000000006 [ 281.636281][ T31] [ 281.639317][ T31] INFO: task syz-executor.0:6076 blocked for more than 143 seconds. [ 281.648788][ T31] Not tainted syzkaller #0 [ 281.653753][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 281.662445][ T31] task:syz-executor.0 state:D stack:26112 pid:6076 tgid:6071 ppid:6020 task_flags:0x400040 flags:0x00080003 [ 281.674450][ T31] Call Trace: [ 281.677734][ T31] [ 281.680660][ T31] __schedule+0x1190/0x5de0 [ 281.685227][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.690889][ T31] ? __lock_acquire+0x622/0x1c90 [ 281.695908][ T31] ? __pfx___schedule+0x10/0x10 [ 281.700806][ T31] ? find_held_lock+0x2b/0x80 [ 281.705572][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.711263][ T31] schedule+0xe7/0x3a0 [ 281.715427][ T31] request_wait_answer+0x553/0x7d0 [ 281.720598][ T31] ? __pfx_request_wait_answer+0x10/0x10 [ 281.726329][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 281.732480][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.738123][ T31] ? do_raw_spin_unlock+0x172/0x230 [ 281.743367][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.749031][ T31] ? _raw_spin_unlock+0x28/0x50 [ 281.754051][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.759724][ T31] ? fuse_dev_queue_req+0x22e/0x310 [ 281.765015][ T31] __fuse_simple_request+0x4d9/0xe10 [ 281.770357][ T31] fuse_lookup_name+0x2ad/0x780 [ 281.775274][ T31] ? add_lock_to_list+0x9d/0x130 [ 281.780252][ T31] ? __pfx_fuse_lookup_name+0x10/0x10 [ 281.785698][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.791395][ T31] fuse_lookup+0x26a/0x560 [ 281.795873][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 281.800843][ T31] ? mark_lock+0x32d/0x610 [ 281.805355][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.811026][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.816731][ T31] ? lockdep_init_map_type+0x5c/0x280 [ 281.822171][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.827823][ T31] __lookup_slow+0x251/0x460 [ 281.832503][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 281.837681][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.843409][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.849070][ T31] ? lookup_fast+0x156/0x610 [ 281.853794][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.859465][ T31] walk_component+0x353/0x5b0 [ 281.864201][ T31] link_path_walk+0x627/0xe20 [ 281.868938][ T31] path_openat+0x1b0/0x2cb0 [ 281.873524][ T31] ? __pfx_path_openat+0x10/0x10 [ 281.878508][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 281.883517][ T31] do_filp_open+0x20b/0x470 [ 281.888068][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 281.893192][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.898858][ T31] ? alloc_fd+0x471/0x7d0 [ 281.903269][ T31] do_sys_openat2+0x11b/0x1d0 [ 281.907976][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 281.915192][ T31] ? rcu_is_watching+0x12/0xc0 [ 281.920006][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.925739][ T31] ? __rseq_handle_notify_resume+0x66e/0x10c0 [ 281.931934][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.937585][ T31] ? blkcg_maybe_throttle_current+0x650/0xf30 [ 281.943784][ T31] __x64_sys_openat+0x174/0x210 [ 281.948672][ T31] ? __pfx___x64_sys_openat+0x10/0x10 [ 281.954340][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.960025][ T31] do_syscall_64+0xcd/0xfa0 [ 281.964587][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.970514][ T31] RIP: 0033:0x7fddf107caa0 [ 281.975142][ T31] RSP: 002b:00007fddf1db9e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 281.983656][ T31] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fddf107caa0 [ 281.991675][ T31] RDX: 0000000000000002 RSI: 00007fddf1db9f40 RDI: 00000000ffffff9c [ 281.999657][ T31] RBP: 00007fddf1db9f40 R08: 0000000000000000 R09: 0000000000000427 [ 282.008730][ T31] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 282.016745][ T31] R13: 00007fddf1db9f80 R14: 00007fddf1db9f40 R15: 00007fdde7e00000 [ 282.024813][ T31] [ 282.027853][ T31] [ 282.027853][ T31] Showing all locks held in the system: [ 282.035614][ T31] 1 lock held by khungtaskd/31: [ 282.040488][ T31] #0: ffffffff8e3c4460 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 282.050520][ T31] 2 locks held by getty/5578: [ 282.055224][ T31] #0: ffff8880303ab0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 282.065069][ T31] #1: ffffc9000362c2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 [ 282.075282][ T31] 2 locks held by syz-executor.0/6020: [ 282.080731][ T31] #0: ffff888075e10148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: walk_component+0x345/0x5b0 [ 282.091230][ T31] #1: ffff888075e105f8 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd2/0x110 [ 282.100519][ T31] 2 locks held by syz-executor.0/6076: [ 282.106147][ T31] #0: ffff888075e10148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: walk_component+0x345/0x5b0 [ 282.117099][ T31] #1: ffff888075e105f8 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd2/0x110 [ 282.126429][ T31] [ 282.128761][ T31] ============================================= [ 282.128761][ T31] [ 282.141648][ T31] NMI backtrace for cpu 0 [ 282.141670][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 282.141710][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 282.141731][ T31] Call Trace: [ 282.141742][ T31] [ 282.141756][ T31] dump_stack_lvl+0x116/0x1f0 [ 282.141803][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 282.141858][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 282.141928][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 282.141988][ T31] watchdog+0xf3f/0x1170 [ 282.142043][ T31] ? rcu_is_watching+0x12/0xc0 [ 282.142091][ T31] ? __pfx_watchdog+0x10/0x10 [ 282.142135][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 282.142177][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.142225][ T31] ? __kthread_parkme+0x19e/0x250 [ 282.142278][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.142324][ T31] ? __pfx_watchdog+0x10/0x10 [ 282.142371][ T31] kthread+0x3c5/0x780 [ 282.142407][ T31] ? __pfx_kthread+0x10/0x10 [ 282.142444][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.142489][ T31] ? rcu_is_watching+0x12/0xc0 [ 282.142536][ T31] ? __pfx_kthread+0x10/0x10 [ 282.142574][ T31] ret_from_fork+0x675/0x7d0 [ 282.142632][ T31] ? __pfx_kthread+0x10/0x10 [ 282.142668][ T31] ret_from_fork_asm+0x1a/0x30 [ 282.142744][ T31] [ 282.142757][ T31] Sending NMI from CPU 0 to CPUs 1: [ 282.281622][ C1] NMI backtrace for cpu 1 [ 282.281645][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 282.281681][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 282.281700][ C1] RIP: 0010:lockdep_hardirqs_on_prepare+0xba/0x1d0 [ 282.281762][ C1] Code: 00 48 c7 c7 09 86 b1 8d 48 89 83 08 0b 00 00 e8 6c c6 c5 09 be 02 00 00 00 48 89 df 65 ff 05 d5 fc 08 12 e8 b8 fe ff ff 85 c0 <74> 0a 8b 83 10 0b 00 00 85 c0 75 24 48 c7 c7 b6 34 a0 8d e8 3e c6 [ 282.281792][ C1] RSP: 0018:ffffc90000197de0 EFLAGS: 00000002 [ 282.281817][ C1] RAX: 0000000000000001 RBX: ffff88801d2bdac0 RCX: ffffffff81910fb1 [ 282.281837][ C1] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88801d2bdac0 [ 282.281857][ C1] RBP: ffffed1003a57b58 R08: 0000000000000000 R09: 0000000000000001 [ 282.281876][ C1] R10: ffffffff90822ed7 R11: 0000000000000001 R12: 0000000000000001 [ 282.281895][ C1] R13: ffff88801d2bdac0 R14: ffffffff90822ed0 R15: 0000000000000000 [ 282.281917][ C1] FS: 0000000000000000(0000) GS:ffff888124b09000(0000) knlGS:0000000000000000 [ 282.281944][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 282.281965][ C1] CR2: 000055c929aba168 CR3: 000000000e182000 CR4: 0000000000350ef0 [ 282.281985][ C1] Call Trace: [ 282.281996][ C1] [ 282.282008][ C1] trace_hardirqs_on+0x14/0x40 [ 282.282050][ C1] default_idle_call+0x96/0xb0 [ 282.282094][ C1] do_idle+0x38d/0x500 [ 282.282135][ C1] ? __pfx_do_idle+0x10/0x10 [ 282.282195][ C1] ? trace_sched_exit_tp+0x2f/0x120 [ 282.282236][ C1] cpu_startup_entry+0x4f/0x60 [ 282.282276][ C1] start_secondary+0x21d/0x2b0 [ 282.282323][ C1] ? __pfx_start_secondary+0x10/0x10 [ 282.282374][ C1] common_startup_64+0x13e/0x148 [ 282.282418][ C1] [ 302.392347][ T31] INFO: task syz-executor.0:6020 blocked for more than 164 seconds. [ 302.400400][ T31] Not tainted syzkaller #0 [ 302.405399][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 302.414215][ T31] task:syz-executor.0 state:D stack:23528 pid:6020 tgid:6020 ppid:1 task_flags:0x400140 flags:0x00080003 [ 302.426261][ T31] Call Trace: [ 302.429532][ T31] [ 302.432496][ T31] __schedule+0x1190/0x5de0 [ 302.437034][ T31] ? check_path.constprop.0+0x24/0x50 [ 302.442514][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.448183][ T31] ? __lock_acquire+0x622/0x1c90 [ 302.453193][ T31] ? __pfx___schedule+0x10/0x10 [ 302.458075][ T31] ? find_held_lock+0x2b/0x80 [ 302.462831][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.468502][ T31] ? fuse_lock_inode+0xd2/0x110 [ 302.473432][ T31] schedule+0xe7/0x3a0 [ 302.477551][ T31] schedule_preempt_disabled+0x13/0x30 [ 302.483090][ T31] __mutex_lock+0x818/0x1060 [ 302.487738][ T31] ? fuse_lock_inode+0xd2/0x110 [ 302.492652][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 302.497713][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.503458][ T31] ? rcu_is_watching+0x12/0xc0 [ 302.508274][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.513992][ T31] ? fuse_lock_inode+0xd2/0x110 [ 302.518883][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.524612][ T31] fuse_lock_inode+0xd2/0x110 [ 302.529323][ T31] fuse_lookup+0x20d/0x560 [ 302.533838][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 302.538826][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.544527][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.550450][ T31] ? lockdep_init_map_type+0x5c/0x280 [ 302.555905][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.561620][ T31] __lookup_slow+0x251/0x460 [ 302.566239][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 302.571364][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.577060][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.582773][ T31] ? lookup_fast+0x156/0x610 [ 302.587375][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.593057][ T31] walk_component+0x353/0x5b0 [ 302.597780][ T31] link_path_walk+0x627/0xe20 [ 302.602544][ T31] path_openat+0x1b0/0x2cb0 [ 302.607123][ T31] ? __pfx_path_openat+0x10/0x10 [ 302.612137][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 302.617133][ T31] do_filp_open+0x20b/0x470 [ 302.621712][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 302.626810][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.632566][ T31] ? alloc_fd+0x471/0x7d0 [ 302.636948][ T31] do_sys_openat2+0x11b/0x1d0 [ 302.641695][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 302.646934][ T31] ? rcu_is_watching+0x12/0xc0 [ 302.651793][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.657461][ T31] ? __rseq_handle_notify_resume+0x66e/0x10c0 [ 302.663634][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.669299][ T31] ? blkcg_maybe_throttle_current+0x650/0xf30 [ 302.675423][ T31] __x64_sys_openat+0x174/0x210 [ 302.680300][ T31] ? __pfx___x64_sys_openat+0x10/0x10 [ 302.685740][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.691707][ T31] do_syscall_64+0xcd/0xfa0 [ 302.696223][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.702198][ T31] RIP: 0033:0x7fddf107d901 [ 302.706621][ T31] RSP: 002b:00007ffcd936f700 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 302.715189][ T31] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fddf107d901 [ 302.723230][ T31] RDX: 0000000000090800 RSI: 00007fddf10c945d RDI: 00000000ffffff9c [ 302.731195][ T31] RBP: 00007ffcd936f7cc R08: 0000000000000000 R09: 00007fddf1ddc000 [ 302.739204][ T31] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 [ 302.747226][ T31] R13: 000000000001fa6d R14: 000000000001fa3d R15: 0000000000000006 [ 302.755264][ T31] [ 302.758392][ T31] INFO: task syz-executor.0:6076 blocked for more than 164 seconds. [ 302.766442][ T31] Not tainted syzkaller #0 [ 302.771473][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 302.780159][ T31] task:syz-executor.0 state:D stack:26112 pid:6076 tgid:6071 ppid:6020 task_flags:0x400040 flags:0x00080003 [ 302.792234][ T31] Call Trace: [ 302.795516][ T31] [ 302.798474][ T31] __schedule+0x1190/0x5de0 [ 302.803089][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.808775][ T31] ? __lock_acquire+0x622/0x1c90 [ 302.813826][ T31] ? __pfx___schedule+0x10/0x10 [ 302.818706][ T31] ? find_held_lock+0x2b/0x80 [ 302.823438][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.829106][ T31] schedule+0xe7/0x3a0 [ 302.833237][ T31] request_wait_answer+0x553/0x7d0 [ 302.838483][ T31] ? __pfx_request_wait_answer+0x10/0x10 [ 302.844185][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 302.850298][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.856022][ T31] ? do_raw_spin_unlock+0x172/0x230 [ 302.861249][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.866940][ T31] ? _raw_spin_unlock+0x28/0x50 [ 302.871877][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.877537][ T31] ? fuse_dev_queue_req+0x22e/0x310 [ 302.882810][ T31] __fuse_simple_request+0x4d9/0xe10 [ 302.888160][ T31] fuse_lookup_name+0x2ad/0x780 [ 302.893102][ T31] ? add_lock_to_list+0x9d/0x130 [ 302.898077][ T31] ? __pfx_fuse_lookup_name+0x10/0x10 [ 302.903501][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.909197][ T31] fuse_lookup+0x26a/0x560 [ 302.913703][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 302.918674][ T31] ? mark_lock+0x32d/0x610 [ 302.923170][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.928830][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.934576][ T31] ? lockdep_init_map_type+0x5c/0x280 [ 302.939989][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.945716][ T31] __lookup_slow+0x251/0x460 [ 302.950350][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 302.955570][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.961246][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.966929][ T31] ? lookup_fast+0x156/0x610 [ 302.971620][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.977320][ T31] walk_component+0x353/0x5b0 [ 302.982068][ T31] link_path_walk+0x627/0xe20 [ 302.986813][ T31] path_openat+0x1b0/0x2cb0 [ 302.991347][ T31] ? __pfx_path_openat+0x10/0x10 [ 302.996390][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 303.001379][ T31] do_filp_open+0x20b/0x470 [ 303.005957][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 303.011049][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.016746][ T31] ? alloc_fd+0x471/0x7d0 [ 303.021131][ T31] do_sys_openat2+0x11b/0x1d0 [ 303.025859][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 303.031090][ T31] ? rcu_is_watching+0x12/0xc0 [ 303.036000][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.041686][ T31] ? __rseq_handle_notify_resume+0x66e/0x10c0 [ 303.047767][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.053467][ T31] ? blkcg_maybe_throttle_current+0x650/0xf30 [ 303.059567][ T31] __x64_sys_openat+0x174/0x210 [ 303.064487][ T31] ? __pfx___x64_sys_openat+0x10/0x10 [ 303.069908][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.076106][ T31] do_syscall_64+0xcd/0xfa0 [ 303.080643][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.086617][ T31] RIP: 0033:0x7fddf107caa0 [ 303.091042][ T31] RSP: 002b:00007fddf1db9e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 303.099515][ T31] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fddf107caa0 [ 303.107540][ T31] RDX: 0000000000000002 RSI: 00007fddf1db9f40 RDI: 00000000ffffff9c [ 303.115560][ T31] RBP: 00007fddf1db9f40 R08: 0000000000000000 R09: 0000000000000427 [ 303.123571][ T31] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 303.131610][ T31] R13: 00007fddf1db9f80 R14: 00007fddf1db9f40 R15: 00007fdde7e00000 [ 303.139614][ T31] [ 303.142694][ T31] [ 303.142694][ T31] Showing all locks held in the system: [ 303.150412][ T31] 1 lock held by khungtaskd/31: [ 303.155325][ T31] #0: ffffffff8e3c4460 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 303.165310][ T31] 2 locks held by getty/5578: [ 303.169979][ T31] #0: ffff8880303ab0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 303.179854][ T31] #1: ffffc9000362c2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 [ 303.190070][ T31] 2 locks held by syz-executor.0/6020: [ 303.195690][ T31] #0: ffff888075e10148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: walk_component+0x345/0x5b0 [ 303.206239][ T31] #1: ffff888075e105f8 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd2/0x110 [ 303.215557][ T31] 2 locks held by syz-executor.0/6076: [ 303.221023][ T31] #0: ffff888075e10148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: walk_component+0x345/0x5b0 [ 303.231493][ T31] #1: ffff888075e105f8 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd2/0x110 [ 303.240785][ T31] [ 303.243178][ T31] ============================================= [ 303.243178][ T31] [ 303.251673][ T31] NMI backtrace for cpu 0 [ 303.251695][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 303.251727][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 303.251743][ T31] Call Trace: [ 303.251753][ T31] [ 303.251764][ T31] dump_stack_lvl+0x116/0x1f0 [ 303.251801][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 303.251843][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 303.251888][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 303.251980][ T31] watchdog+0xf3f/0x1170 [ 303.252022][ T31] ? rcu_is_watching+0x12/0xc0 [ 303.252059][ T31] ? __pfx_watchdog+0x10/0x10 [ 303.252092][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 303.252123][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.252158][ T31] ? __kthread_parkme+0x19e/0x250 [ 303.252198][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.252233][ T31] ? __pfx_watchdog+0x10/0x10 [ 303.252268][ T31] kthread+0x3c5/0x780 [ 303.252295][ T31] ? __pfx_kthread+0x10/0x10 [ 303.252323][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.252356][ T31] ? rcu_is_watching+0x12/0xc0 [ 303.252391][ T31] ? __pfx_kthread+0x10/0x10 [ 303.252420][ T31] ret_from_fork+0x675/0x7d0 [ 303.252463][ T31] ? __pfx_kthread+0x10/0x10 [ 303.252491][ T31] ret_from_fork_asm+0x1a/0x30 [ 303.252548][ T31] [ 303.252557][ T31] Sending NMI from CPU 0 to CPUs 1: [ 303.389656][ C1] NMI backtrace for cpu 1 [ 303.389680][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 303.389716][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 303.389735][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 303.389775][ C1] Code: b7 6e 02 e9 ce e3 b1 f5 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 43 b5 2b 00 fb f4 a7 e3 b1 f5 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 303.389806][ C1] RSP: 0018:ffffc90000197de8 EFLAGS: 000002c6 [ 303.389830][ C1] RAX: 00000000000998a1 RBX: 0000000000000001 RCX: ffffffff8b5e72a9 [ 303.389850][ C1] RDX: 0000000000000000 RSI: ffffffff8da28e52 RDI: ffffffff8bf07440 [ 303.389871][ C1] RBP: ffffed1003a57b58 R08: 0000000000000001 R09: ffffed10170a6655 [ 303.389891][ C1] R10: ffff8880b85332ab R11: 0000000000000001 R12: 0000000000000001 [ 303.389910][ C1] R13: ffff88801d2bdac0 R14: ffffffff90822ed0 R15: 0000000000000000 [ 303.389933][ C1] FS: 0000000000000000(0000) GS:ffff888124b09000(0000) knlGS:0000000000000000 [ 303.389959][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 303.389980][ C1] CR2: 000055c929aba168 CR3: 000000000e182000 CR4: 0000000000350ef0 [ 303.390000][ C1] Call Trace: [ 303.390012][ C1] [ 303.390023][ C1] default_idle+0x13/0x20 [ 303.390065][ C1] default_idle_call+0x6c/0xb0 [ 303.390107][ C1] do_idle+0x38d/0x500 [ 303.390150][ C1] ? __pfx_do_idle+0x10/0x10 [ 303.390200][ C1] ? trace_sched_exit_tp+0x2f/0x120 [ 303.390241][ C1] cpu_startup_entry+0x4f/0x60 [ 303.390282][ C1] start_secondary+0x21d/0x2b0 [ 303.390328][ C1] ? __pfx_start_secondary+0x10/0x10 [ 303.390379][ C1] common_startup_64+0x13e/0x148 [ 303.390424][ C1] [ 323.512003][ T31] INFO: task syz-executor.0:6020 blocked for more than 185 seconds. [ 323.520030][ T31] Not tainted syzkaller #0 [ 323.525253][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 323.534082][ T31] task:syz-executor.0 state:D stack:23528 pid:6020 tgid:6020 ppid:1 task_flags:0x400140 flags:0x00080003 [ 323.546384][ T31] Call Trace: [ 323.549754][ T31] [ 323.552810][ T31] __schedule+0x1190/0x5de0 [ 323.557343][ T31] ? check_path.constprop.0+0x24/0x50 [ 323.563928][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.569594][ T31] ? __lock_acquire+0x622/0x1c90 [ 323.574656][ T31] ? __pfx___schedule+0x10/0x10 [ 323.579544][ T31] ? find_held_lock+0x2b/0x80 [ 323.584330][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.590010][ T31] ? fuse_lock_inode+0xd2/0x110 [ 323.594941][ T31] schedule+0xe7/0x3a0 [ 323.599042][ T31] schedule_preempt_disabled+0x13/0x30 [ 323.604554][ T31] __mutex_lock+0x818/0x1060 [ 323.609263][ T31] ? fuse_lock_inode+0xd2/0x110 [ 323.614176][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 323.619242][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.624943][ T31] ? rcu_is_watching+0x12/0xc0 [ 323.629758][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.635556][ T31] ? fuse_lock_inode+0xd2/0x110 [ 323.640443][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.646153][ T31] fuse_lock_inode+0xd2/0x110 [ 323.650869][ T31] fuse_lookup+0x20d/0x560 [ 323.655338][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 323.660330][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.666044][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.671793][ T31] ? lockdep_init_map_type+0x5c/0x280 [ 323.677190][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.682909][ T31] __lookup_slow+0x251/0x460 [ 323.687542][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 323.692734][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.698416][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.704145][ T31] ? lookup_fast+0x156/0x610 [ 323.708777][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.714500][ T31] walk_component+0x353/0x5b0 [ 323.719228][ T31] link_path_walk+0x627/0xe20 [ 323.724068][ T31] path_openat+0x1b0/0x2cb0 [ 323.728637][ T31] ? __pfx_path_openat+0x10/0x10 [ 323.733685][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 323.738942][ T31] do_filp_open+0x20b/0x470 [ 323.743643][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 323.748769][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.754486][ T31] ? alloc_fd+0x471/0x7d0 [ 323.758879][ T31] do_sys_openat2+0x11b/0x1d0 [ 323.763703][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 323.768968][ T31] ? rcu_is_watching+0x12/0xc0 [ 323.773892][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.779598][ T31] ? __rseq_handle_notify_resume+0x66e/0x10c0 [ 323.785805][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.791477][ T31] ? blkcg_maybe_throttle_current+0x650/0xf30 [ 323.797638][ T31] __x64_sys_openat+0x174/0x210 [ 323.802576][ T31] ? __pfx___x64_sys_openat+0x10/0x10 [ 323.807983][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.813720][ T31] do_syscall_64+0xcd/0xfa0 [ 323.818265][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 323.824247][ T31] RIP: 0033:0x7fddf107d901 [ 323.828680][ T31] RSP: 002b:00007ffcd936f700 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 323.837185][ T31] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fddf107d901 [ 323.845236][ T31] RDX: 0000000000090800 RSI: 00007fddf10c945d RDI: 00000000ffffff9c [ 323.853383][ T31] RBP: 00007ffcd936f7cc R08: 0000000000000000 R09: 00007fddf1ddc000 [ 323.861395][ T31] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 [ 323.869485][ T31] R13: 000000000001fa6d R14: 000000000001fa3d R15: 0000000000000006 [ 323.877537][ T31] [ 323.880572][ T31] INFO: task syz-executor.0:6076 blocked for more than 185 seconds. [ 323.888620][ T31] Not tainted syzkaller #0 [ 323.893602][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 323.902346][ T31] task:syz-executor.0 state:D stack:26112 pid:6076 tgid:6071 ppid:6020 task_flags:0x400040 flags:0x00080003 [ 323.914404][ T31] Call Trace: [ 323.917679][ T31] [ 323.920603][ T31] __schedule+0x1190/0x5de0 [ 323.925195][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.930856][ T31] ? __lock_acquire+0x622/0x1c90 [ 323.935993][ T31] ? __pfx___schedule+0x10/0x10 [ 323.940877][ T31] ? find_held_lock+0x2b/0x80 [ 323.945630][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.951312][ T31] schedule+0xe7/0x3a0 [ 323.955426][ T31] request_wait_answer+0x553/0x7d0 [ 323.960591][ T31] ? __pfx_request_wait_answer+0x10/0x10 [ 323.966402][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 323.972570][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.978339][ T31] ? do_raw_spin_unlock+0x172/0x230 [ 323.983627][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.989304][ T31] ? _raw_spin_unlock+0x28/0x50 [ 323.994262][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 323.999947][ T31] ? fuse_dev_queue_req+0x22e/0x310 [ 324.005278][ T31] __fuse_simple_request+0x4d9/0xe10 [ 324.010622][ T31] fuse_lookup_name+0x2ad/0x780 [ 324.015553][ T31] ? add_lock_to_list+0x9d/0x130 [ 324.020534][ T31] ? __pfx_fuse_lookup_name+0x10/0x10 [ 324.026073][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.031827][ T31] fuse_lookup+0x26a/0x560 [ 324.036269][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 324.041219][ T31] ? mark_lock+0x32d/0x610 [ 324.045755][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.051428][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.057339][ T31] ? lockdep_init_map_type+0x5c/0x280 [ 324.062872][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.068527][ T31] __lookup_slow+0x251/0x460 [ 324.073351][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 324.078527][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.084379][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.090131][ T31] ? lookup_fast+0x156/0x610 [ 324.094844][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.100619][ T31] walk_component+0x353/0x5b0 [ 324.105637][ T31] link_path_walk+0x627/0xe20 [ 324.110395][ T31] path_openat+0x1b0/0x2cb0 [ 324.115062][ T31] ? __pfx_path_openat+0x10/0x10 [ 324.120217][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 324.125425][ T31] do_filp_open+0x20b/0x470 [ 324.130087][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 324.135281][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.140956][ T31] ? alloc_fd+0x471/0x7d0 [ 324.145469][ T31] do_sys_openat2+0x11b/0x1d0 [ 324.150306][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 324.155712][ T31] ? rcu_is_watching+0x12/0xc0 [ 324.160734][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.166497][ T31] ? __rseq_handle_notify_resume+0x66e/0x10c0 [ 324.172673][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.178335][ T31] ? blkcg_maybe_throttle_current+0x650/0xf30 [ 324.184632][ T31] __x64_sys_openat+0x174/0x210 [ 324.189533][ T31] ? __pfx___x64_sys_openat+0x10/0x10 [ 324.195014][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.200715][ T31] do_syscall_64+0xcd/0xfa0 [ 324.205346][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 324.211274][ T31] RIP: 0033:0x7fddf107caa0 [ 324.215761][ T31] RSP: 002b:00007fddf1db9e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 324.224276][ T31] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fddf107caa0 [ 324.232466][ T31] RDX: 0000000000000002 RSI: 00007fddf1db9f40 RDI: 00000000ffffff9c [ 324.240480][ T31] RBP: 00007fddf1db9f40 R08: 0000000000000000 R09: 0000000000000427 [ 324.248606][ T31] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 324.256686][ T31] R13: 00007fddf1db9f80 R14: 00007fddf1db9f40 R15: 00007fdde7e00000 [ 324.264791][ T31] [ 324.267851][ T31] [ 324.267851][ T31] Showing all locks held in the system: [ 324.275629][ T31] 1 lock held by khungtaskd/31: [ 324.280491][ T31] #0: ffffffff8e3c4460 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 324.290480][ T31] 1 lock held by klogd/5181: [ 324.295245][ T31] #0: ffff8880b853a4d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 [ 324.305352][ T31] 2 locks held by getty/5578: [ 324.310039][ T31] #0: ffff8880303ab0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 324.319937][ T31] #1: ffffc9000362c2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 [ 324.330180][ T31] 2 locks held by syz-executor.0/6020: [ 324.335677][ T31] #0: ffff888075e10148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: walk_component+0x345/0x5b0 [ 324.346205][ T31] #1: ffff888075e105f8 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd2/0x110 [ 324.355454][ T31] 2 locks held by syz-executor.0/6076: [ 324.360930][ T31] #0: ffff888075e10148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: walk_component+0x345/0x5b0 [ 324.371413][ T31] #1: ffff888075e105f8 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd2/0x110 [ 324.380678][ T31] [ 324.383087][ T31] ============================================= [ 324.383087][ T31] [ 324.391500][ T31] NMI backtrace for cpu 0 [ 324.391521][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 324.391565][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 324.391587][ T31] Call Trace: [ 324.391598][ T31] [ 324.391611][ T31] dump_stack_lvl+0x116/0x1f0 [ 324.391658][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 324.391715][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 324.391773][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 324.391834][ T31] watchdog+0xf3f/0x1170 [ 324.391887][ T31] ? rcu_is_watching+0x12/0xc0 [ 324.391937][ T31] ? __pfx_watchdog+0x10/0x10 [ 324.391983][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 324.392025][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.392075][ T31] ? __kthread_parkme+0x19e/0x250 [ 324.392129][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.392183][ T31] ? __pfx_watchdog+0x10/0x10 [ 324.392230][ T31] kthread+0x3c5/0x780 [ 324.392266][ T31] ? __pfx_kthread+0x10/0x10 [ 324.392307][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.392352][ T31] ? rcu_is_watching+0x12/0xc0 [ 324.392403][ T31] ? __pfx_kthread+0x10/0x10 [ 324.392441][ T31] ret_from_fork+0x675/0x7d0 [ 324.392500][ T31] ? __pfx_kthread+0x10/0x10 [ 324.392538][ T31] ret_from_fork_asm+0x1a/0x30 [ 324.392614][ T31] [ 324.524079][ T31] Sending NMI from CPU 0 to CPUs 1: [ 324.529313][ C1] NMI backtrace for cpu 1 [ 324.529335][ C1] CPU: 1 UID: 0 PID: 1127 Comm: kworker/u8:5 Not tainted syzkaller #0 PREEMPT(full) [ 324.529372][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 324.529394][ C1] Workqueue: events_unbound toggle_allocation_gate [ 324.529449][ C1] RIP: 0010:walk_to_pmd+0x2b/0x4c0 [ 324.529482][ C1] Code: 57 41 56 41 55 41 54 49 89 fc 55 48 89 f5 53 48 83 ec 08 e8 87 8a b2 ff 49 8d bc 24 b8 00 00 00 48 b8 00 00 00 00 00 fc ff df <48> 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 e8 03 00 00 48 c7 c0 5c 85 [ 324.529513][ C1] RSP: 0018:ffffc90003abf8b0 EFLAGS: 00000293 [ 324.529536][ C1] RAX: dffffc0000000000 RBX: ffffea0000086500 RCX: ffffffff816059dd [ 324.529557][ C1] RDX: ffff888027665ac0 RSI: ffffffff820a70b9 RDI: ffff88813ff180b8 [ 324.529577][ C1] RBP: 00002aaaaaaab000 R08: 0000000000000007 R09: 0000000000000000 [ 324.529597][ C1] R10: ffffea0000086500 R11: 0000000000000001 R12: ffff88813ff18000 [ 324.529617][ C1] R13: 00002aaaaaaab000 R14: ffffc90003abf9a0 R15: 8000000000000063 [ 324.529643][ C1] FS: 0000000000000000(0000) GS:ffff888124b09000(0000) knlGS:0000000000000000 [ 324.529671][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 324.529691][ C1] CR2: 000055c929aba168 CR3: 000000000e182000 CR4: 0000000000350ef0 [ 324.529711][ C1] Call Trace: [ 324.529721][ C1] [ 324.529731][ C1] ? __kmalloc_cache_noprof+0x87/0x780 [ 324.529772][ C1] ? kmem_cache_alloc_noprof+0x8a/0x6e0 [ 324.529816][ C1] __get_locked_pte+0x25/0xc0 [ 324.529846][ C1] ? kmem_cache_alloc_noprof+0x8a/0x6e0 [ 324.529889][ C1] __text_poke+0x255/0xb70 [ 324.529928][ C1] ? __pfx_text_poke_memcpy+0x10/0x10 [ 324.529969][ C1] ? __pfx___text_poke+0x10/0x10 [ 324.530004][ C1] ? kmem_cache_alloc_noprof+0x8a/0x6e0 [ 324.530050][ C1] smp_text_poke_batch_finish+0x652/0xdb0 [ 324.530096][ C1] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 324.530141][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.530180][ C1] ? arch_jump_label_transform_queue+0xc0/0x120 [ 324.530231][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 324.530275][ C1] jump_label_update+0x376/0x550 [ 324.530311][ C1] static_key_disable_cpuslocked+0x158/0x1c0 [ 324.530349][ C1] static_key_disable+0x1a/0x20 [ 324.530383][ C1] toggle_allocation_gate+0x145/0x280 [ 324.530433][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 324.530485][ C1] ? __pfx_autoremove_wake_function+0x10/0x10 [ 324.530541][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.530579][ C1] ? rcu_is_watching+0x12/0xc0 [ 324.530621][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.530661][ C1] process_one_work+0x9cf/0x1b70 [ 324.530705][ C1] ? __pfx_process_one_work+0x10/0x10 [ 324.530739][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.530789][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.530827][ C1] ? assign_work+0x1a0/0x250 [ 324.530858][ C1] worker_thread+0x6c8/0xf10 [ 324.530903][ C1] ? __pfx_worker_thread+0x10/0x10 [ 324.530941][ C1] kthread+0x3c5/0x780 [ 324.530971][ C1] ? __pfx_kthread+0x10/0x10 [ 324.531002][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 324.531040][ C1] ? rcu_is_watching+0x12/0xc0 [ 324.531080][ C1] ? __pfx_kthread+0x10/0x10 [ 324.531111][ C1] ret_from_fork+0x675/0x7d0 [ 324.531160][ C1] ? __pfx_kthread+0x10/0x10 [ 324.531190][ C1] ret_from_fork_asm+0x1a/0x30 [ 324.531248][ C1] [ 326.716251][ T1295] ieee802154 phy0 wpan0: encryption failed: -22 [ 326.722764][ T1295] ieee802154 phy1 wpan1: encryption failed: -22 [ 344.631886][ T31] INFO: task syz-executor.0:6020 blocked for more than 206 seconds. [ 344.639952][ T31] Not tainted syzkaller #0 [ 344.644941][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 344.653654][ T31] task:syz-executor.0 state:D stack:23528 pid:6020 tgid:6020 ppid:1 task_flags:0x400140 flags:0x00080003 [ 344.665696][ T31] Call Trace: [ 344.668996][ T31] [ 344.672033][ T31] __schedule+0x1190/0x5de0 [ 344.676571][ T31] ? check_path.constprop.0+0x24/0x50 [ 344.682144][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.687826][ T31] ? __lock_acquire+0x622/0x1c90 [ 344.692854][ T31] ? __pfx___schedule+0x10/0x10 [ 344.697738][ T31] ? find_held_lock+0x2b/0x80 [ 344.702532][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.708202][ T31] ? fuse_lock_inode+0xd2/0x110 [ 344.713204][ T31] schedule+0xe7/0x3a0 [ 344.717316][ T31] schedule_preempt_disabled+0x13/0x30 [ 344.722846][ T31] __mutex_lock+0x818/0x1060 [ 344.727481][ T31] ? fuse_lock_inode+0xd2/0x110 [ 344.732453][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 344.737624][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.743426][ T31] ? rcu_is_watching+0x12/0xc0 [ 344.748297][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.754086][ T31] ? fuse_lock_inode+0xd2/0x110 [ 344.758979][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.764730][ T31] fuse_lock_inode+0xd2/0x110 [ 344.769445][ T31] fuse_lookup+0x20d/0x560 [ 344.773949][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 344.778987][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.784717][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.790420][ T31] ? lockdep_init_map_type+0x5c/0x280 [ 344.795964][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.801720][ T31] __lookup_slow+0x251/0x460 [ 344.806341][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 344.811467][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.817213][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.822987][ T31] ? lookup_fast+0x156/0x610 [ 344.827592][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.833280][ T31] walk_component+0x353/0x5b0 [ 344.838026][ T31] link_path_walk+0x627/0xe20 [ 344.842794][ T31] path_openat+0x1b0/0x2cb0 [ 344.847350][ T31] ? __pfx_path_openat+0x10/0x10 [ 344.852381][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 344.857394][ T31] do_filp_open+0x20b/0x470 [ 344.861988][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 344.867086][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.873066][ T31] ? alloc_fd+0x471/0x7d0 [ 344.877494][ T31] do_sys_openat2+0x11b/0x1d0 [ 344.882410][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 344.887791][ T31] ? rcu_is_watching+0x12/0xc0 [ 344.892638][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.898298][ T31] ? __rseq_handle_notify_resume+0x66e/0x10c0 [ 344.904469][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.910133][ T31] ? blkcg_maybe_throttle_current+0x650/0xf30 [ 344.916406][ T31] __x64_sys_openat+0x174/0x210 [ 344.921298][ T31] ? __pfx___x64_sys_openat+0x10/0x10 [ 344.926805][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 344.932595][ T31] do_syscall_64+0xcd/0xfa0 [ 344.937171][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 344.943147][ T31] RIP: 0033:0x7fddf107d901 [ 344.947575][ T31] RSP: 002b:00007ffcd936f700 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 344.956175][ T31] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fddf107d901 [ 344.964233][ T31] RDX: 0000000000090800 RSI: 00007fddf10c945d RDI: 00000000ffffff9c [ 344.972314][ T31] RBP: 00007ffcd936f7cc R08: 0000000000000000 R09: 00007fddf1ddc000 [ 344.980416][ T31] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 [ 344.988520][ T31] R13: 000000000001fa6d R14: 000000000001fa3d R15: 0000000000000006 [ 344.996601][ T31] [ 344.999647][ T31] INFO: task syz-executor.0:6076 blocked for more than 207 seconds. [ 345.007703][ T31] Not tainted syzkaller #0 [ 345.012729][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 345.021488][ T31] task:syz-executor.0 state:D stack:26112 pid:6076 tgid:6071 ppid:6020 task_flags:0x400040 flags:0x00080003 [ 345.033607][ T31] Call Trace: [ 345.036880][ T31] [ 345.039812][ T31] __schedule+0x1190/0x5de0 [ 345.044438][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.050095][ T31] ? __lock_acquire+0x622/0x1c90 [ 345.055101][ T31] ? __pfx___schedule+0x10/0x10 [ 345.059983][ T31] ? find_held_lock+0x2b/0x80 [ 345.064731][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.070399][ T31] schedule+0xe7/0x3a0 [ 345.074521][ T31] request_wait_answer+0x553/0x7d0 [ 345.079683][ T31] ? __pfx_request_wait_answer+0x10/0x10 [ 345.085392][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 345.091498][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.097191][ T31] ? do_raw_spin_unlock+0x172/0x230 [ 345.102513][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.108268][ T31] ? _raw_spin_unlock+0x28/0x50 [ 345.113214][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.118885][ T31] ? fuse_dev_queue_req+0x22e/0x310 [ 345.124202][ T31] __fuse_simple_request+0x4d9/0xe10 [ 345.129546][ T31] fuse_lookup_name+0x2ad/0x780 [ 345.134487][ T31] ? add_lock_to_list+0x9d/0x130 [ 345.139459][ T31] ? __pfx_fuse_lookup_name+0x10/0x10 [ 345.144896][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.150604][ T31] fuse_lookup+0x26a/0x560 [ 345.155129][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 345.160093][ T31] ? mark_lock+0x32d/0x610 [ 345.164619][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.170295][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.175984][ T31] ? lockdep_init_map_type+0x5c/0x280 [ 345.181379][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.187108][ T31] __lookup_slow+0x251/0x460 [ 345.191871][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 345.197063][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.202822][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.208500][ T31] ? lookup_fast+0x156/0x610 [ 345.213193][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.218863][ T31] walk_component+0x353/0x5b0 [ 345.223669][ T31] link_path_walk+0x627/0xe20 [ 345.228398][ T31] path_openat+0x1b0/0x2cb0 [ 345.233041][ T31] ? __pfx_path_openat+0x10/0x10 [ 345.238026][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 345.243102][ T31] do_filp_open+0x20b/0x470 [ 345.247675][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 345.252839][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.258524][ T31] ? alloc_fd+0x471/0x7d0 [ 345.263035][ T31] do_sys_openat2+0x11b/0x1d0 [ 345.267743][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 345.273132][ T31] ? rcu_is_watching+0x12/0xc0 [ 345.277936][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.283662][ T31] ? __rseq_handle_notify_resume+0x66e/0x10c0 [ 345.289774][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.295511][ T31] ? blkcg_maybe_throttle_current+0x650/0xf30 [ 345.301714][ T31] __x64_sys_openat+0x174/0x210 [ 345.306615][ T31] ? __pfx___x64_sys_openat+0x10/0x10 [ 345.312182][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.317865][ T31] do_syscall_64+0xcd/0xfa0 [ 345.322494][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 345.328449][ T31] RIP: 0033:0x7fddf107caa0 [ 345.333047][ T31] RSP: 002b:00007fddf1db9e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 345.341497][ T31] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fddf107caa0 [ 345.349569][ T31] RDX: 0000000000000002 RSI: 00007fddf1db9f40 RDI: 00000000ffffff9c [ 345.357634][ T31] RBP: 00007fddf1db9f40 R08: 0000000000000000 R09: 0000000000000427 [ 345.365694][ T31] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 345.373763][ T31] R13: 00007fddf1db9f80 R14: 00007fddf1db9f40 R15: 00007fdde7e00000 [ 345.381862][ T31] [ 345.384902][ T31] [ 345.384902][ T31] Showing all locks held in the system: [ 345.392687][ T31] 6 locks held by kworker/u8:1/13: [ 345.397821][ T31] 1 lock held by khungtaskd/31: [ 345.402745][ T31] #0: ffffffff8e3c4460 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 345.412754][ T31] 2 locks held by getty/5578: [ 345.417421][ T31] #0: ffff8880303ab0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 345.427339][ T31] #1: ffffc9000362c2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 [ 345.437547][ T31] 2 locks held by syz-executor.0/6020: [ 345.443067][ T31] #0: ffff888075e10148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: walk_component+0x345/0x5b0 [ 345.453558][ T31] #1: ffff888075e105f8 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd2/0x110 [ 345.462793][ T31] 2 locks held by syz-executor.0/6076: [ 345.468279][ T31] #0: ffff888075e10148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: walk_component+0x345/0x5b0 [ 345.478727][ T31] #1: ffff888075e105f8 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd2/0x110 [ 345.487989][ T31] [ 345.490300][ T31] ============================================= [ 345.490300][ T31] [ 345.498879][ T31] NMI backtrace for cpu 0 [ 345.498900][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 345.498951][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 345.498971][ T31] Call Trace: [ 345.498982][ T31] [ 345.498995][ T31] dump_stack_lvl+0x116/0x1f0 [ 345.499039][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 345.499095][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 345.499155][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 345.499215][ T31] watchdog+0xf3f/0x1170 [ 345.499269][ T31] ? rcu_is_watching+0x12/0xc0 [ 345.499319][ T31] ? __pfx_watchdog+0x10/0x10 [ 345.499363][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 345.499404][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.499452][ T31] ? __kthread_parkme+0x19e/0x250 [ 345.499505][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.499552][ T31] ? __pfx_watchdog+0x10/0x10 [ 345.499598][ T31] kthread+0x3c5/0x780 [ 345.499638][ T31] ? __pfx_kthread+0x10/0x10 [ 345.499676][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 345.499720][ T31] ? rcu_is_watching+0x12/0xc0 [ 345.499767][ T31] ? __pfx_kthread+0x10/0x10 [ 345.499805][ T31] ret_from_fork+0x675/0x7d0 [ 345.499863][ T31] ? __pfx_kthread+0x10/0x10 [ 345.499899][ T31] ret_from_fork_asm+0x1a/0x30 [ 345.499981][ T31] [ 345.499993][ T31] Sending NMI from CPU 0 to CPUs 1: [ 345.637060][ C1] NMI backtrace for cpu 1 [ 345.637086][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 345.637123][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 345.637141][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 345.637194][ C1] Code: b7 6e 02 e9 ce e3 b1 f5 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 43 b5 2b 00 fb f4 a7 e3 b1 f5 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 345.637224][ C1] RSP: 0018:ffffc90000197de8 EFLAGS: 000002c6 [ 345.637249][ C1] RAX: 00000000000a291f RBX: 0000000000000001 RCX: ffffffff8b5e72a9 [ 345.637269][ C1] RDX: 0000000000000000 RSI: ffffffff8da28e52 RDI: ffffffff8bf07440 [ 345.637289][ C1] RBP: ffffed1003a57b58 R08: 0000000000000001 R09: ffffed10170a6655 [ 345.637309][ C1] R10: ffff8880b85332ab R11: 0000000000000001 R12: 0000000000000001 [ 345.637329][ C1] R13: ffff88801d2bdac0 R14: ffffffff90822ed0 R15: 0000000000000000 [ 345.637351][ C1] FS: 0000000000000000(0000) GS:ffff888124b09000(0000) knlGS:0000000000000000 [ 345.637379][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 345.637399][ C1] CR2: 000055c929aba168 CR3: 000000000e182000 CR4: 0000000000350ef0 [ 345.637420][ C1] Call Trace: [ 345.637431][ C1] [ 345.637441][ C1] default_idle+0x13/0x20 [ 345.637483][ C1] default_idle_call+0x6c/0xb0 [ 345.637525][ C1] do_idle+0x38d/0x500 [ 345.637568][ C1] ? __pfx_do_idle+0x10/0x10 [ 345.637606][ C1] ? trace_sched_exit_tp+0x2f/0x120 [ 345.637647][ C1] cpu_startup_entry+0x4f/0x60 [ 345.637688][ C1] start_secondary+0x21d/0x2b0 [ 345.637735][ C1] ? __pfx_start_secondary+0x10/0x10 [ 345.637786][ C1] common_startup_64+0x13e/0x148 [ 345.637831][ C1] [ 365.751748][ T31] INFO: task syz-executor.0:6020 blocked for more than 227 seconds. [ 365.759757][ T31] Not tainted syzkaller #0 [ 365.764879][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 365.773589][ T31] task:syz-executor.0 state:D stack:23528 pid:6020 tgid:6020 ppid:1 task_flags:0x400140 flags:0x00080003 [ 365.785643][ T31] Call Trace: [ 365.788925][ T31] [ 365.791899][ T31] __schedule+0x1190/0x5de0 [ 365.796431][ T31] ? check_path.constprop.0+0x24/0x50 [ 365.801903][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.807570][ T31] ? __lock_acquire+0x622/0x1c90 [ 365.812594][ T31] ? __pfx___schedule+0x10/0x10 [ 365.817493][ T31] ? find_held_lock+0x2b/0x80 [ 365.822365][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.828058][ T31] ? fuse_lock_inode+0xd2/0x110 [ 365.833127][ T31] schedule+0xe7/0x3a0 [ 365.837233][ T31] schedule_preempt_disabled+0x13/0x30 [ 365.842783][ T31] __mutex_lock+0x818/0x1060 [ 365.847416][ T31] ? fuse_lock_inode+0xd2/0x110 [ 365.852443][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 365.857596][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.863321][ T31] ? rcu_is_watching+0x12/0xc0 [ 365.868138][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.873932][ T31] ? fuse_lock_inode+0xd2/0x110 [ 365.879262][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.885034][ T31] fuse_lock_inode+0xd2/0x110 [ 365.889840][ T31] fuse_lookup+0x20d/0x560 [ 365.894318][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 365.899307][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.905016][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.910683][ T31] ? lockdep_init_map_type+0x5c/0x280 [ 365.916105][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.921815][ T31] __lookup_slow+0x251/0x460 [ 365.926437][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 365.931819][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.937538][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.943254][ T31] ? lookup_fast+0x156/0x610 [ 365.947878][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.953569][ T31] walk_component+0x353/0x5b0 [ 365.958297][ T31] link_path_walk+0x627/0xe20 [ 365.963137][ T31] path_openat+0x1b0/0x2cb0 [ 365.967729][ T31] ? __pfx_path_openat+0x10/0x10 [ 365.972739][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 365.977731][ T31] do_filp_open+0x20b/0x470 [ 365.982326][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 365.987418][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 365.993133][ T31] ? alloc_fd+0x471/0x7d0 [ 365.997530][ T31] do_sys_openat2+0x11b/0x1d0 [ 366.002309][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 366.007544][ T31] ? rcu_is_watching+0x12/0xc0 [ 366.012393][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.018066][ T31] ? __rseq_handle_notify_resume+0x66e/0x10c0 [ 366.024213][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.029888][ T31] ? blkcg_maybe_throttle_current+0x650/0xf30 [ 366.036024][ T31] __x64_sys_openat+0x174/0x210 [ 366.040911][ T31] ? __pfx___x64_sys_openat+0x10/0x10 [ 366.046439][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.052141][ T31] do_syscall_64+0xcd/0xfa0 [ 366.056653][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 366.062608][ T31] RIP: 0033:0x7fddf107d901 [ 366.067039][ T31] RSP: 002b:00007ffcd936f700 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 366.075513][ T31] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fddf107d901 [ 366.083536][ T31] RDX: 0000000000090800 RSI: 00007fddf10c945d RDI: 00000000ffffff9c [ 366.091499][ T31] RBP: 00007ffcd936f7cc R08: 0000000000000000 R09: 00007fddf1ddc000 [ 366.099633][ T31] R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 [ 366.107668][ T31] R13: 000000000001fa6d R14: 000000000001fa3d R15: 0000000000000006 [ 366.115708][ T31] [ 366.118828][ T31] INFO: task syz-executor.0:6076 blocked for more than 228 seconds. [ 366.126895][ T31] Not tainted syzkaller #0 [ 366.131873][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 366.140554][ T31] task:syz-executor.0 state:D stack:26112 pid:6076 tgid:6071 ppid:6020 task_flags:0x400040 flags:0x00080003 [ 366.152870][ T31] Call Trace: [ 366.156154][ T31] [ 366.159077][ T31] __schedule+0x1190/0x5de0 [ 366.163662][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.169324][ T31] ? __lock_acquire+0x622/0x1c90 [ 366.174380][ T31] ? __pfx___schedule+0x10/0x10 [ 366.179259][ T31] ? find_held_lock+0x2b/0x80 [ 366.184001][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.189669][ T31] schedule+0xe7/0x3a0 [ 366.193816][ T31] request_wait_answer+0x553/0x7d0 [ 366.198984][ T31] ? __pfx_request_wait_answer+0x10/0x10 [ 366.204681][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 366.210784][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.216474][ T31] ? do_raw_spin_unlock+0x172/0x230 [ 366.221761][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.227413][ T31] ? _raw_spin_unlock+0x28/0x50 [ 366.232483][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.238148][ T31] ? fuse_dev_queue_req+0x22e/0x310 [ 366.243432][ T31] __fuse_simple_request+0x4d9/0xe10 [ 366.248785][ T31] fuse_lookup_name+0x2ad/0x780 [ 366.253747][ T31] ? add_lock_to_list+0x9d/0x130 [ 366.258733][ T31] ? __pfx_fuse_lookup_name+0x10/0x10 [ 366.264259][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.269984][ T31] fuse_lookup+0x26a/0x560 [ 366.274487][ T31] ? __pfx_fuse_lookup+0x10/0x10 [ 366.279562][ T31] ? mark_lock+0x32d/0x610 [ 366.284074][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.289745][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.295444][ T31] ? lockdep_init_map_type+0x5c/0x280 [ 366.300843][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.306528][ T31] __lookup_slow+0x251/0x460 [ 366.311149][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 366.316346][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.322061][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.327701][ T31] ? lookup_fast+0x156/0x610 [ 366.332354][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.338028][ T31] walk_component+0x353/0x5b0 [ 366.342785][ T31] link_path_walk+0x627/0xe20 [ 366.347511][ T31] path_openat+0x1b0/0x2cb0 [ 366.352121][ T31] ? __pfx_path_openat+0x10/0x10 [ 366.357107][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 366.362113][ T31] do_filp_open+0x20b/0x470 [ 366.366671][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 366.371915][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.377595][ T31] ? alloc_fd+0x471/0x7d0 [ 366.382038][ T31] do_sys_openat2+0x11b/0x1d0 [ 366.386757][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 366.392049][ T31] ? rcu_is_watching+0x12/0xc0 [ 366.396844][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.402610][ T31] ? __rseq_handle_notify_resume+0x66e/0x10c0 [ 366.408709][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.414429][ T31] ? blkcg_maybe_throttle_current+0x650/0xf30 [ 366.420546][ T31] __x64_sys_openat+0x174/0x210 [ 366.425549][ T31] ? __pfx___x64_sys_openat+0x10/0x10 [ 366.430963][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.436695][ T31] do_syscall_64+0xcd/0xfa0 [ 366.441261][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 366.447244][ T31] RIP: 0033:0x7fddf107caa0 [ 366.451732][ T31] RSP: 002b:00007fddf1db9e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 366.460161][ T31] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fddf107caa0 [ 366.468204][ T31] RDX: 0000000000000002 RSI: 00007fddf1db9f40 RDI: 00000000ffffff9c [ 366.476396][ T31] RBP: 00007fddf1db9f40 R08: 0000000000000000 R09: 0000000000000427 [ 366.484985][ T31] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 [ 366.493117][ T31] R13: 00007fddf1db9f80 R14: 00007fddf1db9f40 R15: 00007fdde7e00000 [ 366.501122][ T31] [ 366.504221][ T31] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 366.513359][ T31] [ 366.513359][ T31] Showing all locks held in the system: [ 366.521085][ T31] 1 lock held by khungtaskd/31: [ 366.526049][ T31] #0: ffffffff8e3c4460 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 366.536086][ T31] 2 locks held by getty/5578: [ 366.540764][ T31] #0: ffff8880303ab0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 366.550745][ T31] #1: ffffc9000362c2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 [ 366.561192][ T31] 2 locks held by syz-executor.0/6020: [ 366.567006][ T31] #0: ffff888075e10148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: walk_component+0x345/0x5b0 [ 366.577523][ T31] #1: ffff888075e105f8 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd2/0x110 [ 366.586800][ T31] 2 locks held by syz-executor.0/6076: [ 366.592677][ T31] #0: ffff888075e10148 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: walk_component+0x345/0x5b0 [ 366.603176][ T31] #1: ffff888075e105f8 (&fi->mutex){+.+.}-{4:4}, at: fuse_lock_inode+0xd2/0x110 [ 366.612429][ T31] [ 366.614752][ T31] ============================================= [ 366.614752][ T31] [ 366.623183][ T31] NMI backtrace for cpu 0 [ 366.623210][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 366.623253][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 366.623275][ T31] Call Trace: [ 366.623287][ T31] [ 366.623300][ T31] dump_stack_lvl+0x116/0x1f0 [ 366.623346][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 366.623405][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 366.623469][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 366.623533][ T31] watchdog+0xf3f/0x1170 [ 366.623591][ T31] ? rcu_is_watching+0x12/0xc0 [ 366.623643][ T31] ? __pfx_watchdog+0x10/0x10 [ 366.623690][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 366.623732][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.623782][ T31] ? __kthread_parkme+0x19e/0x250 [ 366.623837][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.623887][ T31] ? __pfx_watchdog+0x10/0x10 [ 366.623936][ T31] kthread+0x3c5/0x780 [ 366.623969][ T31] ? __pfx_kthread+0x10/0x10 [ 366.624007][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 366.624051][ T31] ? rcu_is_watching+0x12/0xc0 [ 366.624102][ T31] ? __pfx_kthread+0x10/0x10 [ 366.624141][ T31] ret_from_fork+0x675/0x7d0 [ 366.624209][ T31] ? __pfx_kthread+0x10/0x10 [ 366.624246][ T31] ret_from_fork_asm+0x1a/0x30 [ 366.624324][ T31] [ 366.624337][ T31] Sending NMI from CPU 0 to CPUs 1: [ 366.761619][ C1] NMI backtrace for cpu 1 [ 366.761642][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 366.761678][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 366.761696][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 366.761737][ C1] Code: b7 6e 02 e9 ce e3 b1 f5 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 43 b5 2b 00 fb f4 a7 e3 b1 f5 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 366.761767][ C1] RSP: 0018:ffffc90000197de8 EFLAGS: 000002c6 [ 366.761791][ C1] RAX: 00000000000a5869 RBX: 0000000000000001 RCX: ffffffff8b5e72a9 [ 366.761811][ C1] RDX: 0000000000000000 RSI: ffffffff8da28e52 RDI: ffffffff8bf07440 [ 366.761831][ C1] RBP: ffffed1003a57b58 R08: 0000000000000001 R09: ffffed10170a6655 [ 366.761851][ C1] R10: ffff8880b85332ab R11: 0000000000000001 R12: 0000000000000001 [ 366.761870][ C1] R13: ffff88801d2bdac0 R14: ffffffff90822ed0 R15: 0000000000000000 [ 366.761893][ C1] FS: 0000000000000000(0000) GS:ffff888124b09000(0000) knlGS:0000000000000000 [ 366.761919][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 366.761949][ C1] CR2: 000055c929aba168 CR3: 000000000e182000 CR4: 0000000000350ef0 [ 366.761969][ C1] Call Trace: [ 366.761978][ C1] [ 366.761988][ C1] default_idle+0x13/0x20 [ 366.762030][ C1] default_idle_call+0x6c/0xb0 [ 366.762072][ C1] do_idle+0x38d/0x500 [ 366.762113][ C1] ? __pfx_do_idle+0x10/0x10 [ 366.762152][ C1] ? trace_sched_exit_tp+0x2f/0x120 [ 366.762193][ C1] cpu_startup_entry+0x4f/0x60 [ 366.762233][ C1] start_secondary+0x21d/0x2b0 [ 366.762280][ C1] ? __pfx_start_secondary+0x10/0x10 [ 366.762331][ C1] common_startup_64+0x13e/0x148 [ 366.762376][ C1] [ 388.157162][ T1295] ieee802154 phy0 wpan0: encryption failed: -22 [ 388.163675][ T1295] ieee802154 phy1 wpan1: encryption failed: -22