Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program [ 715.717927][ T27] INFO: task syz-executor317:6541 blocked for more than 143 seconds. [ 715.727021][ T27] Not tainted 5.15.0-rc1-syzkaller #0 [ 715.734578][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 715.743965][ T27] task:syz-executor317 state:D stack:28120 pid: 6541 ppid: 6522 flags:0x00004004 [ 715.753309][ T27] Call Trace: [ 715.756710][ T27] __schedule+0x940/0x26f0 [ 715.761223][ T27] ? io_schedule_timeout+0x140/0x140 [ 715.766701][ T27] schedule+0xd3/0x270 [ 715.771088][ T27] schedule_timeout+0x1db/0x2a0 [ 715.775948][ T27] ? usleep_range+0x170/0x170 [ 715.780675][ T27] ? wait_for_completion+0x16e/0x280 [ 715.785986][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 715.790994][ T27] ? do_raw_spin_lock+0x120/0x2b0 [ 715.796054][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 715.801044][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 715.806271][ T27] wait_for_completion+0x176/0x280 [ 715.811442][ T27] ? __flush_work+0x540/0xb10 [ 715.816126][ T27] ? bit_wait_io_timeout+0x160/0x160 [ 715.821464][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 715.826676][ T27] __flush_work+0x56e/0xb10 [ 715.831229][ T27] ? queue_delayed_work_on+0x120/0x120 [ 715.836718][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 715.841907][ T27] ? flush_workqueue_prep_pwqs+0x4f0/0x4f0 [ 715.847818][ T27] ? try_to_grab_pending+0xbd/0xd0 [ 715.852932][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 715.859330][ T27] __cancel_work_timer+0x3f9/0x570 [ 715.864621][ T27] ? try_to_grab_pending+0xd0/0xd0 [ 715.869781][ T27] ? p9_fd_close+0x280/0x520 [ 715.874383][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 715.879370][ T27] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 715.885198][ T27] p9_fd_close+0x29c/0x520 [ 715.889655][ T27] ? p9_client_create+0xa46/0x1110 [ 715.894788][ T27] p9_client_create+0x95a/0x1110 [ 715.899892][ T27] ? p9_client_flush+0x430/0x430 [ 715.904854][ T27] ? lockdep_init_map_type+0x2c3/0x7b0 [ 715.910370][ T27] ? rcu_read_lock_sched_held+0x3a/0x70 [ 715.915933][ T27] ? __raw_spin_lock_init+0x36/0x110 [ 715.921279][ T27] v9fs_session_init+0x1dd/0x17b0 [ 715.926326][ T27] ? v9fs_show_options+0x780/0x780 [ 715.931694][ T27] ? rcu_read_lock_sched_held+0x3a/0x70 [ 715.937255][ T27] v9fs_mount+0x79/0x9c0 [ 715.941542][ T27] ? v9fs_write_inode+0x60/0x60 [ 715.946420][ T27] legacy_get_tree+0x105/0x220 [ 715.951316][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 715.958207][ T27] vfs_get_tree+0x89/0x2f0 [ 715.962666][ T27] path_mount+0x1320/0x1fa0 [ 715.967188][ T27] ? kmem_cache_free+0x3d4/0x5b0 [ 715.973041][ T27] ? putname+0xfe/0x140 [ 715.977220][ T27] ? finish_automount+0xaf0/0xaf0 [ 715.982299][ T27] ? putname+0xfe/0x140 [ 715.986485][ T27] __x64_sys_mount+0x27f/0x300 [ 715.991306][ T27] ? copy_mnt_ns+0xae0/0xae0 [ 715.995914][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 716.001884][ T27] do_syscall_64+0x35/0xb0 [ 716.006328][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.012307][ T27] RIP: 0033:0x445bc9 [ 716.016206][ T27] RSP: 002b:00007f3e58dd6308 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 716.024831][ T27] RAX: ffffffffffffffda RBX: 00000000004cb518 RCX: 0000000000445bc9 [ 716.032893][ T27] RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000000 [ 716.041778][ T27] RBP: 00000000004cb510 R08: 00000000200001c0 R09: 0000000000000000 [ 716.049834][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb51c [ 716.057867][ T27] R13: 000000000049b07c R14: 64663d736e617274 R15: 0000000000022000 [ 716.065886][ T27] [ 716.065886][ T27] Showing all locks held in the system: [ 716.073671][ T27] 5 locks held by kworker/u4:0/8: [ 716.078746][ T27] 1 lock held by khungtaskd/27: [ 716.083595][ T27] #0: ffffffff8b97fe20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 716.093626][ T27] 2 locks held by kworker/1:2/1050: [ 716.099127][ T27] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 716.110910][ T27] #1: ffffc90004fffdb0 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 716.121826][ T27] 2 locks held by in:imklog/6234: [ 716.126850][ T27] #0: ffff88801a716870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 716.136049][ T27] #1: ffffffff8b96f2a8 (syslog_lock){+.+.}-{3:3}, at: is_bpf_text_address+0x0/0x170 [ 716.145710][ T27] [ 716.148121][ T27] ============================================= [ 716.148121][ T27] [ 716.156758][ T27] NMI backtrace for cpu 1 [ 716.161225][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc1-syzkaller #0 [ 716.169467][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.179509][ T27] Call Trace: [ 716.182779][ T27] dump_stack_lvl+0xcd/0x134 [ 716.187443][ T27] nmi_cpu_backtrace.cold+0x47/0x144 [ 716.192714][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 716.197910][ T27] nmi_trigger_cpumask_backtrace+0x1ae/0x220 [ 716.203973][ T27] watchdog+0xc1d/0xf50 [ 716.208122][ T27] ? reset_hung_task_detector+0x30/0x30 [ 716.213666][ T27] kthread+0x3e5/0x4d0 [ 716.217817][ T27] ? set_kthread_struct+0x130/0x130 [ 716.223009][ T27] ret_from_fork+0x1f/0x30 [ 716.227559][ T27] Sending NMI from CPU 1 to CPUs 0: [ 716.232809][ C0] NMI backtrace for cpu 0 [ 716.232821][ C0] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.15.0-rc1-syzkaller #0 [ 716.232837][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.232847][ C0] Workqueue: events_unbound toggle_allocation_gate [ 716.232867][ C0] RIP: 0010:__jump_label_update+0x47/0x400 [ 716.232887][ C0] Code: 5a dc ff 4c 39 ed 0f 83 23 03 00 00 e8 62 5a dc ff 48 8d 5d 08 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 80 3c 02 00 <0f> 85 96 03 00 00 4c 8b 65 08 4c 89 e0 48 83 e0 fc 48 01 d8 48 39 [ 716.232901][ C0] RSP: 0018:ffffc90000cd7b98 EFLAGS: 00000246 [ 716.232912][ C0] RAX: dffffc0000000000 RBX: ffffffff8b39cb78 RCX: 0000000000000000 [ 716.232921][ C0] RDX: 1ffffffff167396f RSI: ffffffff8199b37e RDI: ffffffff9026bf40 [ 716.232931][ C0] RBP: ffffffff8b39cb70 R08: 0000000000000000 R09: ffffffff9026bf43 [ 716.232940][ C0] R10: ffffffff8199b90a R11: 0000000000000000 R12: ffffffff9026bf48 [ 716.232949][ C0] R13: ffffffff8b3a2530 R14: 0000000000000000 R15: 0000000000000000 [ 716.232961][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 716.232974][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 716.232984][ C0] CR2: 00007faf15382000 CR3: 000000000b68e000 CR4: 0000000000350ef0 [ 716.232993][ C0] Call Trace: [ 716.233000][ C0] jump_label_update+0x1d5/0x430 [ 716.233017][ C0] static_key_disable_cpuslocked+0x152/0x1b0 [ 716.233034][ C0] static_key_disable+0x16/0x20 [ 716.233048][ C0] toggle_allocation_gate+0x185/0x390 [ 716.233064][ C0] ? lock_release+0x720/0x720 [ 716.233079][ C0] ? wake_up_kfence_timer+0x20/0x20 [ 716.233098][ C0] process_one_work+0x9bf/0x16b0 [ 716.233119][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 716.233138][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 716.233159][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 716.233177][ C0] worker_thread+0x658/0x11f0 [ 716.233193][ C0] ? process_one_work+0x16b0/0x16b0 [ 716.233210][ C0] kthread+0x3e5/0x4d0 [ 716.233225][ C0] ? set_kthread_struct+0x130/0x130 [ 716.233242][ C0] ret_from_fork+0x1f/0x30 [ 716.233808][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 716.444790][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc1-syzkaller #0 [ 716.453103][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.463141][ T27] Call Trace: [ 716.466409][ T27] dump_stack_lvl+0xcd/0x134 [ 716.470993][ T27] panic+0x2b0/0x6dd [ 716.474896][ T27] ? __warn_printk+0xf3/0xf3 [ 716.479473][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 716.484662][ T27] ? preempt_schedule_thunk+0x16/0x18 [ 716.490021][ T27] ? nmi_trigger_cpumask_backtrace+0x191/0x220 [ 716.496166][ T27] ? watchdog.cold+0x130/0x158 [ 716.500921][ T27] watchdog.cold+0x141/0x158 [ 716.505501][ T27] ? reset_hung_task_detector+0x30/0x30 [ 716.511036][ T27] kthread+0x3e5/0x4d0 [ 716.515091][ T27] ? set_kthread_struct+0x130/0x130 [ 716.520278][ T27] ret_from_fork+0x1f/0x30 [ 716.525538][ T27] Kernel Offset: disabled [ 716.529858][ T27] Rebooting in 86400 seconds..