Warning: Permanently added '10.128.1.58' (ECDSA) to the list of known hosts. 2021/07/17 16:47:36 parsed 1 programs 2021/07/17 16:47:39 executed programs: 0 [ 38.413762][ T4433] cgroup: Unknown subsys name 'perf_event' [ 38.427466][ T4435] cgroup: Unknown subsys name 'perf_event' [ 38.436433][ T4435] cgroup: Unknown subsys name 'net_cls' [ 38.449031][ T90] [ 38.451387][ T90] ====================================================== [ 38.452889][ T4433] cgroup: Unknown subsys name 'net_cls' [ 38.458593][ T90] WARNING: possible circular locking dependency detected [ 38.458601][ T90] 5.14.0-rc1-syzkaller #0 Not tainted [ 38.458610][ T90] ------------------------------------------------------ [ 38.458615][ T90] kworker/u4:2/90 is trying to acquire lock: [ 38.458624][ T90] ffffffff87750940 (fs_reclaim){+.+.}-{0:0}, at: fs_reclaim_acquire+0xf7/0x160 [ 38.458680][ T90] [ 38.458680][ T90] but task is already holding lock: [ 38.458685][ T90] ffff8881f684bee0 (lock [ 38.476027][ T4436] cgroup: Unknown subsys name 'perf_event' [ 38.478926][ T90] #2){-.-.}-{2:2}, at: __alloc_pages_bulk+0x406/0x1600 [ 38.504841][ T4436] cgroup: Unknown subsys name 'net_cls' [ 38.508190][ T90] [ 38.508190][ T90] which lock already depends on the new lock. [ 38.508190][ T90] [ 38.508197][ T90] [ 38.508197][ T90] the existing dependency chain (in reverse order) is: [ 38.508202][ T90] [ 38.508202][ T90] -> #3 (lock#2){-.-.}-{2:2} [ 38.519836][ T4440] cgroup: Unknown subsys name 'perf_event' [ 38.525346][ T90] : [ 38.525352][ T90] get_page_from_freelist+0xc9b/0x28b0 [ 38.525374][ T90] __alloc_pages+0x1b2/0x4e0 [ 38.525391][ T90] alloc_pages+0x18c/0x2a0 [ 38.531732][ T4440] cgroup: Unknown subsys name 'net_cls' [ 38.541396][ T90] allocate_slab+0x32b/0x4c0 [ 38.541424][ T90] ___slab_alloc+0x4ba/0x820 [ 38.541447][ T90] __slab_alloc+0x68/0x80 [ 38.557497][ T4438] cgroup: Unknown subsys name 'perf_event' [ 38.558068][ T90] kmem_cache_alloc+0x339/0x360 [ 38.564593][ T4438] cgroup: Unknown subsys name 'net_cls' [ 38.566272][ T90] anon_vma_clone+0xe0/0x5f0 [ 38.566299][ T90] anon_vma_fork+0x82/0x630 [ 38.607742][ T4442] cgroup: Unknown subsys name 'perf_event' [ 38.608831][ T90] dup_mm+0x8a6/0x11e0 [ 38.615008][ T4442] cgroup: Unknown subsys name 'net_cls' [ 38.619820][ T90] copy_process+0x5ec0/0x7040 [ 38.619847][ T90] kernel_clone+0xe7/0xa70 [ 38.656531][ T90] __do_sys_clone+0xc8/0x110 [ 38.661656][ T90] do_syscall_64+0x35/0xb0 [ 38.666609][ T90] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 38.673043][ T90] [ 38.673043][ T90] -> #2 (&anon_vma->rwsem){++++}-{3:3}: [ 38.680785][ T90] down_write+0x92/0x150 [ 38.685565][ T90] __vma_adjust+0x2f5/0x26b0 [ 38.690698][ T90] __split_vma+0x2b3/0x550 [ 38.696002][ T90] split_vma+0x95/0xd0 [ 38.700638][ T90] mprotect_fixup+0x6eb/0x8e0 [ 38.705849][ T90] do_mprotect_pkey+0x558/0x9a0 [ 38.711232][ T90] __x64_sys_mprotect+0x74/0xb0 [ 38.716616][ T90] do_syscall_64+0x35/0xb0 [ 38.721733][ T90] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 38.728165][ T90] [ 38.728165][ T90] -> #1 (&mapping->i_mmap_rwsem){+.+.}-{3:3}: [ 38.736462][ T90] down_write+0x92/0x150 [ 38.741325][ T90] dma_resv_lockdep+0x348/0x540 [ 38.746716][ T90] do_one_initcall+0x103/0x5d0 [ 38.752012][ T90] kernel_init_freeable+0x6ae/0x737 [ 38.757753][ T90] kernel_init+0x1a/0x1d0 [ 38.762617][ T90] ret_from_fork+0x1f/0x30 [ 38.767832][ T90] [ 38.767832][ T90] -> #0 (fs_reclaim){+.+.}-{0:0}: [ 38.775061][ T90] __lock_acquire+0x2a07/0x54a0 [ 38.780448][ T90] lock_acquire+0x19d/0x4d0 [ 38.785483][ T90] fs_reclaim_acquire+0x117/0x160 [ 38.791048][ T90] prepare_alloc_pages+0x155/0x4f0 [ 38.796882][ T90] __alloc_pages+0x12f/0x4e0 [ 38.802007][ T90] alloc_pages+0x18c/0x2a0 [ 38.806955][ T90] stack_depot_save+0x39d/0x4e0 [ 38.812426][ T90] save_stack+0x102/0x1d0 [ 38.817290][ T90] __set_page_owner+0x50/0x290 [ 38.822626][ T90] __alloc_pages_bulk+0x7ed/0x1600 [ 38.828273][ T90] __vmalloc_node_range+0x39d/0x960 [ 38.834136][ T90] copy_process+0x8db/0x7040 [ 38.839263][ T90] kernel_clone+0xe7/0xa70 [ 38.844215][ T90] kernel_thread+0xb5/0xf0 [ 38.849166][ T90] call_usermodehelper_exec_work+0x69/0x180 [ 38.855816][ T90] process_one_work+0x98d/0x15b0 [ 38.861643][ T90] worker_thread+0x658/0x11f0 [ 38.866971][ T90] kthread+0x3c0/0x4a0 [ 38.871565][ T90] ret_from_fork+0x1f/0x30 [ 38.876512][ T90] [ 38.876512][ T90] other info that might help us debug this: [ 38.876512][ T90] [ 38.886908][ T90] Chain exists of: [ 38.886908][ T90] fs_reclaim --> &anon_vma->rwsem --> lock#2 [ 38.886908][ T90] [ 38.898842][ T90] Possible unsafe locking scenario: [ 38.898842][ T90] [ 38.906384][ T90] CPU0 CPU1 [ 38.911751][ T90] ---- ---- [ 38.917115][ T90] lock(lock#2); [ 38.920765][ T90] lock(&anon_vma->rwsem); [ 38.927792][ T90] lock(lock#2); [ 38.933963][ T90] lock(fs_reclaim); [ 38.937982][ T90] [ 38.937982][ T90] *** DEADLOCK *** [ 38.937982][ T90] [ 38.946209][ T90] 3 locks held by kworker/u4:2/90: [ 38.951323][ T90] #0: ffff888100069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x871/0x15b0 [ 38.962397][ T90] #1: ffffc900004d7db0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15b0 [ 38.973908][ T90] #2: ffff8881f684bee0 (lock#2){-.-.}-{2:2}, at: __alloc_pages_bulk+0x406/0x1600 [ 38.983206][ T90] [ 38.983206][ T90] stack backtrace: [ 38.989093][ T90] CPU: 0 PID: 90 Comm: kworker/u4:2 Not tainted 5.14.0-rc1-syzkaller #0 [ 38.997430][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.007583][ T90] Workqueue: events_unbound call_usermodehelper_exec_work [ 39.014842][ T90] Call Trace: [ 39.018126][ T90] dump_stack_lvl+0xcd/0x134 [ 39.022905][ T90] check_noncircular+0x25f/0x2e0 [ 39.027869][ T90] ? deref_stack_reg+0x150/0x150 [ 39.032827][ T90] ? print_circular_bug+0x1e0/0x1e0 [ 39.038036][ T90] ? __unwind_start+0x51b/0x800 [ 39.042916][ T90] ? create_prof_cpu_mask+0x20/0x20 [ 39.048150][ T90] ? lockdep_lock+0xba/0x200 [ 39.052761][ T90] ? call_rcu_zapped+0xb0/0xb0 [ 39.057553][ T90] __lock_acquire+0x2a07/0x54a0 [ 39.062433][ T90] ? lockdep_hardirqs_on_prepare+0x3e0/0x3e0 [ 39.068430][ T90] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 39.074692][ T90] ? register_early_stack+0xb0/0xb0 [ 39.079908][ T90] lock_acquire+0x19d/0x4d0 [ 39.084434][ T90] ? fs_reclaim_acquire+0xf7/0x160 [ 39.089565][ T90] ? lock_release+0x6e0/0x6e0 [ 39.094269][ T90] ? lock_chain_count+0x20/0x20 [ 39.099172][ T90] ? mark_lock+0xef/0x17b0 [ 39.103601][ T90] ? deref_stack_reg+0xee/0x150 [ 39.108473][ T90] fs_reclaim_acquire+0x117/0x160 [ 39.114298][ T90] ? fs_reclaim_acquire+0xf7/0x160 [ 39.119429][ T90] prepare_alloc_pages+0x155/0x4f0 [ 39.124562][ T90] ? ret_from_fork+0x1f/0x30 [ 39.129171][ T90] __alloc_pages+0x12f/0x4e0 [ 39.133778][ T90] ? __alloc_pages_slowpath.constprop.0+0x20e0/0x20e0 [ 39.140644][ T90] ? __unwind_start+0x51b/0x800 [ 39.145603][ T90] alloc_pages+0x18c/0x2a0 [ 39.150054][ T90] stack_depot_save+0x39d/0x4e0 [ 39.154930][ T90] save_stack+0x102/0x1d0 [ 39.159536][ T90] ? register_early_stack+0xb0/0xb0 [ 39.164752][ T90] ? __alloc_pages_bulk+0x7ed/0x1600 [ 39.170061][ T90] ? __vmalloc_node_range+0x39d/0x960 [ 39.175460][ T90] ? copy_process+0x8db/0x7040 [ 39.180268][ T90] ? kernel_clone+0xe7/0xa70 [ 39.184881][ T90] ? kernel_thread+0xb5/0xf0 [ 39.189492][ T90] ? call_usermodehelper_exec_work+0x69/0x180 [ 39.195593][ T90] ? process_one_work+0x98d/0x15b0 [ 39.200726][ T90] ? worker_thread+0x658/0x11f0 [ 39.205603][ T90] ? kthread+0x3c0/0x4a0 [ 39.209860][ T90] ? ret_from_fork+0x1f/0x30 [ 39.214470][ T90] ? lock_release+0x6e0/0x6e0 [ 39.219164][ T90] __set_page_owner+0x50/0x290 [ 39.223950][ T90] ? post_alloc_hook+0x145/0x1e0 [ 39.228912][ T90] __alloc_pages_bulk+0x7ed/0x1600 [ 39.234046][ T90] ? __alloc_pages+0x4e0/0x4e0 [ 39.238830][ T90] ? rwlock_bug.part.0+0x90/0x90 [ 39.243877][ T90] ? rcu_read_lock_sched_held+0x3a/0x70 [ 39.249623][ T90] ? trace_kmalloc_node+0x32/0xe0 [ 39.254671][ T90] __vmalloc_node_range+0x39d/0x960 [ 39.259897][ T90] ? vfree_atomic+0xe0/0xe0 [ 39.264414][ T90] ? rcu_read_lock_sched_held+0x3a/0x70 [ 39.270332][ T90] ? kernel_clone+0xe7/0xa70 [ 39.274937][ T90] copy_process+0x8db/0x7040 [ 39.279544][ T90] ? kernel_clone+0xe7/0xa70 [ 39.284150][ T90] ? mark_lock+0xef/0x17b0 [ 39.288587][ T90] ? mark_lock+0xef/0x17b0 [ 39.293017][ T90] ? lock_chain_count+0x20/0x20 [ 39.297887][ T90] ? __cleanup_sighand+0xb0/0xb0 [ 39.302845][ T90] ? kernel_clone+0xc4/0xa70 [ 39.307454][ T90] kernel_clone+0xe7/0xa70 [ 39.311893][ T90] ? create_io_thread+0xf0/0xf0 [ 39.316765][ T90] ? mark_lock+0xef/0x17b0 [ 39.321194][ T90] ? lockdep_hardirqs_on_prepare+0x3e0/0x3e0 [ 39.327191][ T90] ? debug_object_deactivate+0x264/0x300 [ 39.332843][ T90] ? lock_chain_count+0x20/0x20 [ 39.337708][ T90] ? umh_complete+0x90/0x90 [ 39.342238][ T90] kernel_thread+0xb5/0xf0 [ 39.346673][ T90] ? __do_sys_clone3+0x2e0/0x2e0 [ 39.351678][ T90] ? umh_complete+0x90/0x90 [ 39.356204][ T90] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 39.362202][ T90] ? _raw_spin_unlock_irq+0x1f/0x30 [ 39.367420][ T90] ? trace_hardirqs_on+0x5b/0x1a0 [ 39.372469][ T90] call_usermodehelper_exec_work+0x69/0x180 [ 39.378390][ T90] process_one_work+0x98d/0x15b0 [ 39.383394][ T90] ? pwq_dec_nr_in_flight+0x320/0x320 [ 39.388819][ T90] ? rwlock_bug.part.0+0x90/0x90 [ 39.393777][ T90] worker_thread+0x658/0x11f0 [ 39.398584][ T90] ? process_one_work+0x15b0/0x15b0 [ 39.403807][ T90] kthread+0x3c0/0x4a0 [ 39.407922][ T90] ? _raw_spin_unlock_irq+0x1f/0x30 [ 39.413135][ T90] ? set_kthread_struct+0x130/0x130 [ 39.418343][ T90] ret_from_fork+0x1f/0x30 [ 39.422808][ T90] BUG: sleeping function called from invalid context at mm/page_alloc.c:5167 [ 39.431569][ T90] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 90, name: kworker/u4:2 [ 39.440636][ T90] INFO: lockdep is turned off. [ 39.445396][ T90] irq event stamp: 160844 [ 39.449726][ T90] hardirqs last enabled at (160843): [] _raw_spin_unlock_irqrestore+0x42/0x50 [ 39.460253][ T90] hardirqs last disabled at (160844): [] __alloc_pages_bulk+0xebb/0x1600 [ 39.470527][ T90] softirqs last enabled at (160764): [] fpu_clone+0x13c/0x580 [ 39.479662][ T90] softirqs last disabled at (160762): [] fpu_clone+0x7e/0x580 [ 39.488709][ T90] CPU: 0 PID: 90 Comm: kworker/u4:2 Not tainted 5.14.0-rc1-syzkaller #0 [ 39.497087][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.507240][ T90] Workqueue: events_unbound call_usermodehelper_exec_work [ 39.514379][ T90] Call Trace: [ 39.517662][ T90] dump_stack_lvl+0xcd/0x134 [ 39.522275][ T90] ___might_sleep.cold+0x141/0x16f [ 39.527407][ T90] prepare_alloc_pages+0x32d/0x4f0 [ 39.532541][ T90] ? ret_from_fork+0x1f/0x30 [ 39.537237][ T90] __alloc_pages+0x12f/0x4e0 [ 39.541849][ T90] ? __alloc_pages_slowpath.constprop.0+0x20e0/0x20e0 [ 39.548632][ T90] ? __unwind_start+0x51b/0x800 [ 39.553592][ T90] alloc_pages+0x18c/0x2a0 [ 39.558038][ T90] stack_depot_save+0x39d/0x4e0 [ 39.563444][ T90] save_stack+0x102/0x1d0 [ 39.567865][ T90] ? register_early_stack+0xb0/0xb0 [ 39.573288][ T90] ? __alloc_pages_bulk+0x7ed/0x1600 [ 39.578765][ T90] ? __vmalloc_node_range+0x39d/0x960 [ 39.584161][ T90] ? copy_process+0x8db/0x7040 [ 39.588942][ T90] ? kernel_clone+0xe7/0xa70 [ 39.593549][ T90] ? kernel_thread+0xb5/0xf0 [ 39.598159][ T90] ? call_usermodehelper_exec_work+0x69/0x180 [ 39.604278][ T90] ? process_one_work+0x98d/0x15b0 [ 39.609403][ T90] ? worker_thread+0x658/0x11f0 [ 39.614266][ T90] ? kthread+0x3c0/0x4a0 [ 39.618521][ T90] ? ret_from_fork+0x1f/0x30 [ 39.623121][ T90] ? lock_release+0x6e0/0x6e0 [ 39.627809][ T90] __set_page_owner+0x50/0x290 [ 39.632590][ T90] ? post_alloc_hook+0x145/0x1e0 [ 39.637548][ T90] __alloc_pages_bulk+0x7ed/0x1600 [ 39.642676][ T90] ? __alloc_pages+0x4e0/0x4e0 [ 39.647493][ T90] ? rwlock_bug.part.0+0x90/0x90 [ 39.652447][ T90] ? rcu_read_lock_sched_held+0x3a/0x70 [ 39.658014][ T90] ? trace_kmalloc_node+0x32/0xe0 [ 39.663070][ T90] __vmalloc_node_range+0x39d/0x960 [ 39.668287][ T90] ? vfree_atomic+0xe0/0xe0 [ 39.672808][ T90] ? rcu_read_lock_sched_held+0x3a/0x70 [ 39.678556][ T90] ? kernel_clone+0xe7/0xa70 [ 39.683421][ T90] copy_process+0x8db/0x7040 [ 39.688025][ T90] ? kernel_clone+0xe7/0xa70 [ 39.692629][ T90] ? mark_lock+0xef/0x17b0 [ 39.697058][ T90] ? mark_lock+0xef/0x17b0 [ 39.701488][ T90] ? lock_chain_count+0x20/0x20 [ 39.706352][ T90] ? __cleanup_sighand+0xb0/0xb0 [ 39.711303][ T90] ? kernel_clone+0xc4/0xa70 [ 39.716014][ T90] kernel_clone+0xe7/0xa70 [ 39.720447][ T90] ? create_io_thread+0xf0/0xf0 [ 39.725315][ T90] ? mark_lock+0xef/0x17b0 [ 39.729746][ T90] ? lockdep_hardirqs_on_prepare+0x3e0/0x3e0 [ 39.735746][ T90] ? debug_object_deactivate+0x264/0x300 [ 39.741727][ T90] ? lock_chain_count+0x20/0x20 [ 39.746802][ T90] ? umh_complete+0x90/0x90 [ 39.751417][ T90] kernel_thread+0xb5/0xf0 [ 39.755848][ T90] ? __do_sys_clone3+0x2e0/0x2e0 [ 39.760807][ T90] ? umh_complete+0x90/0x90 [ 39.765327][ T90] ? lockdep_hardirqs_on_prepare+0x273/0x3e0 [ 39.771497][ T90] ? _raw_spin_unlock_irq+0x1f/0x30 [ 39.776808][ T90] ? trace_hardirqs_on+0x5b/0x1a0 [ 39.781851][ T90] call_usermodehelper_exec_work+0x69/0x180 [ 39.787869][ T90] process_one_work+0x98d/0x15b0 [ 39.792936][ T90] ? pwq_dec_nr_in_flight+0x320/0x320 [ 39.798352][ T90] ? rwlock_bug.part.0+0x90/0x90 [ 39.803308][ T90] worker_thread+0x658/0x11f0 [ 39.808116][ T90] ? process_one_work+0x15b0/0x15b0 [ 39.813521][ T90] kthread+0x3c0/0x4a0 [ 39.817607][ T90] ? _raw_spin_unlock_irq+0x1f/0x30 [ 39.822826][ T90] ? set_kthread_struct+0x130/0x130 [ 39.828041][ T90] ret_from_fork+0x1f/0x30 2021/07/17 16:47:45 executed programs: 6