[ 15.491592][ T5643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.494417][ T5643] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.547696][ T40] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.554100][ T5554] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.618451][ T2449] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.218' (ECDSA) to the list of known hosts. executing program executing program executing program executing program [ 160.741585][ T5996] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5996 'syz-executor227' executing program executing program [ 160.834559][ T6002] loop5: detected capacity change from 0 to 4096 [ 160.883855][ T6003] loop4: detected capacity change from 0 to 4096 [ 160.908755][ T6004] loop0: detected capacity change from 0 to 4096 [ 160.924783][ T5996] loop1: detected capacity change from 0 to 4096 [ 160.933425][ T6000] loop3: detected capacity change from 0 to 4096 [ 160.935705][ T6001] loop2: detected capacity change from 0 to 4096 [ 172.883160][ T6002] syz-executor227: page allocation failure: order:1, mode:0x40c40(GFP_NOFS|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0 [ 172.886317][ T6002] CPU: 0 PID: 6002 Comm: syz-executor227 Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 172.888699][ T6002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 172.891073][ T6002] Call trace: [ 172.891816][ T6002] dump_backtrace+0x1b8/0x1e4 [ 172.892945][ T6002] show_stack+0x2c/0x44 [ 172.893939][ T6002] dump_stack_lvl+0xd0/0x124 [ 172.894917][ T6002] dump_stack+0x1c/0x28 [ 172.895883][ T6002] warn_alloc+0x220/0x400 [ 172.896882][ T6002] __alloc_pages_slowpath+0x1e9c/0x1edc [ 172.898152][ T6002] __alloc_pages+0x3bc/0x698 [ 172.899244][ T6002] alloc_pages+0x4bc/0x7c0 [ 172.900274][ T6002] alloc_slab_page+0xa0/0x164 [ 172.901329][ T6002] new_slab+0x210/0x2f4 [ 172.902274][ T6002] ___slab_alloc+0x80c/0xdf4 [ 172.903272][ T6002] __kmem_cache_alloc_node+0x2d0/0x388 [ 172.904534][ T6002] __kmalloc+0xb8/0x1b8 [ 172.905464][ T6002] indx_read+0x268/0xaec [ 172.906438][ T6002] indx_find+0x400/0xa18 [ 172.907460][ T6002] dir_search_u+0x180/0x324 [ 172.908589][ T6002] ntfs_atomic_open+0x21c/0x4dc [ 172.909722][ T6002] path_openat+0xb10/0x27f8 [ 172.910686][ T6002] do_filp_open+0x1bc/0x3cc [ 172.911732][ T6002] do_sys_openat2+0x128/0x3d8 [ 172.912849][ T6002] __arm64_sys_openat+0x1f0/0x240 [ 172.914018][ T6002] invoke_syscall+0x98/0x2c0 [ 172.915001][ T6002] el0_svc_common+0x138/0x258 [ 172.916048][ T6002] do_el0_svc+0x64/0x198 [ 172.917007][ T6002] el0_svc+0x4c/0x15c [ 172.917851][ T6002] el0t_64_sync_handler+0x84/0xf0 [ 172.918944][ T6002] el0t_64_sync+0x190/0x194 [ 172.920093][ T6002] Mem-Info: [ 172.920823][ T6002] active_anon:368 inactive_anon:4727 isolated_anon:0 [ 172.920823][ T6002] active_file:18 inactive_file:23 isolated_file:0 [ 172.920823][ T6002] unevictable:768 dirty:15 writeback:0 [ 172.920823][ T6002] slab_reclaimable:18014 slab_unreclaimable:1616047 [ 172.920823][ T6002] mapped:34 shmem:4055 pagetables:267 [ 172.920823][ T6002] sec_pagetables:0 bounce:0 [ 172.920823][ T6002] kernel_misc_reclaimable:0 [ 172.920823][ T6002] free:17365 free_pcp:1060 free_cma:7310 [ 172.931053][ T6002] Node 0 active_anon:1472kB inactive_anon:18908kB active_file:72kB inactive_file:192kB unevictable:3072kB isolated(anon):0kB isolated(file):0kB mapped:136kB dirty:60kB writeback:0kB shmem:16220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:6432kB pagetables:1068kB sec_pagetables:0kB all_unreclaimable? yes [ 172.938318][ T6002] Node 0 DMA free:52940kB boost:0kB min:20536kB low:25668kB high:30800kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:200kB unevictable:0kB writepending:0kB present:3145728kB managed:3080192kB mlocked:0kB bounce:0kB free_pcp:688kB local_pcp:440kB free_cma:28940kB [ 172.944755][ T6002] lowmem_reserve[]: 0 0 3590 3590 3590 [ 172.945986][ T6002] Node 0 Normal free:16028kB boost:8192kB min:32708kB low:38836kB high:44964kB reserved_highatomic:2048KB active_anon:1472kB inactive_anon:18908kB active_file:480kB inactive_file:0kB unevictable:3072kB writepending:252kB present:5242880kB managed:3680788kB mlocked:0kB bounce:0kB free_pcp:3876kB local_pcp:3476kB free_cma:0kB [ 172.952938][ T6002] lowmem_reserve[]: 0 0 0 0 0 [ 172.953975][ T6002] Node 0 DMA: 1*4kB (M) 1*8kB (M) 2*16kB (MC) 1*32kB (M) 2*64kB (UM) 2*128kB (UM) 3*256kB (UMC) 1*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 3*4096kB (UMC) 4*8192kB (MC) = 52940kB [ 172.958089][ T6002] Node 0 Normal: 727*4kB (UMEH) 266*8kB (UMH) 127*16kB (MH) 80*32kB (ME) 42*64kB (ME) 19*128kB (MH) 5*256kB (MH) 0*512kB 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 16028kB [ 172.962227][ T6002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 172.964419][ T6002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=32768kB [ 172.966497][ T6002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 172.968634][ T6002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=64kB [ 172.970792][ T6002] 4408 total pagecache pages [ 172.971737][ T6002] 0 pages in swap cache [ 172.972654][ T6002] Free swap = 0kB [ 172.973490][ T6002] Total swap = 0kB [ 172.974367][ T6002] 2097152 pages RAM [ 172.975265][ T6002] 0 pages HighMem/MovableOnly [ 172.976372][ T6002] 406907 pages reserved [ 172.977452][ T6002] 8192 pages cma reserved [ 172.978501][ T6002] 0 pages hwpoisoned [ 172.979506][ T6002] SLUB: Unable to allocate memory on node -1, gfp=0xc40(GFP_NOFS) [ 172.981267][ T6002] cache: kmalloc-4k, object size: 4096, buffer size: 8192, default order: 3, min order: 1 [ 172.983461][ T6002] kmalloc-4k debugging increased min order, use slub_debug=O to disable. [ 172.985319][ T6002] node 0: slabs: 192755, objs: 758705, free: 0 [ 173.107330][ T5578] klogd invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0 [ 173.109389][ T5578] CPU: 1 PID: 5578 Comm: klogd Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 173.111459][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 173.113551][ T5578] Call trace: [ 173.114217][ T5578] dump_backtrace+0x1b8/0x1e4 [ 173.115263][ T5578] show_stack+0x2c/0x44 [ 173.116120][ T5578] dump_stack_lvl+0xd0/0x124 [ 173.117088][ T5578] dump_stack+0x1c/0x28 [ 173.117967][ T5578] dump_header+0xb4/0x954 [ 173.118873][ T5578] oom_kill_process+0x10c/0x6ec [ 173.119979][ T5578] out_of_memory+0xe24/0x103c [ 173.121055][ T5578] __alloc_pages_slowpath+0x1714/0x1edc [ 173.122288][ T5578] __alloc_pages+0x3bc/0x698 [ 173.123251][ T5578] alloc_pages+0x4bc/0x7c0 [ 173.124202][ T5578] alloc_slab_page+0xa0/0x164 [ 173.125215][ T5578] new_slab+0x210/0x2f4 [ 173.126086][ T5578] ___slab_alloc+0x80c/0xdf4 [ 173.127088][ T5578] kmem_cache_alloc_node+0x318/0x46c [ 173.128251][ T5578] __alloc_skb+0x19c/0x3d8 [ 173.129257][ T5578] alloc_skb_with_frags+0xb4/0x590 [ 173.130449][ T5578] sock_alloc_send_pskb+0x76c/0x884 [ 173.131603][ T5578] unix_dgram_sendmsg+0x480/0x16c0 [ 173.132750][ T5578] __sys_sendto+0x3b4/0x538 [ 173.133773][ T5578] __arm64_sys_sendto+0xd8/0xf8 [ 173.134806][ T5578] invoke_syscall+0x98/0x2c0 [ 173.135765][ T5578] el0_svc_common+0x138/0x258 [ 173.136840][ T5578] do_el0_svc+0x64/0x198 [ 173.137793][ T5578] el0_svc+0x4c/0x15c [ 173.138748][ T5578] el0t_64_sync_handler+0x84/0xf0 [ 173.139950][ T5578] el0t_64_sync+0x190/0x194 [ 173.141258][ C1] [ 173.141813][ C1] ====================================================== [ 173.143437][ C1] WARNING: possible circular locking dependency detected [ 173.145003][ C1] 6.4.0-rc3-syzkaller-geb0f1697d729 #0 Not tainted [ 173.146408][ C1] ------------------------------------------------------ [ 173.147904][ C1] klogd/5578 is trying to acquire lock: [ 173.148993][ C1] ffff0001fea76c40 (&pgdat->kcompactd_wait){-...}-{2:2}, at: __wake_up+0xec/0x1a8 [ 173.150935][ C1] [ 173.150935][ C1] but task is already holding lock: [ 173.152610][ C1] ffff0001b4259b18 (&rq->__lock){-.-.}-{2:2}, at: scheduler_tick+0xa4/0x52c [ 173.154428][ C1] [ 173.154428][ C1] which lock already depends on the new lock. [ 173.154428][ C1] [ 173.156667][ C1] [ 173.156667][ C1] the existing dependency chain (in reverse order) is: [ 173.158614][ C1] [ 173.158614][ C1] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 173.160174][ C1] _raw_spin_lock_nested+0x50/0x6c [ 173.161412][ C1] raw_spin_rq_lock_nested+0x2c/0x44 [ 173.162649][ C1] task_fork_fair+0x7c/0x23c [ 173.163712][ C1] sched_cgroup_fork+0x38c/0x464 [ 173.164932][ C1] copy_process+0x24fc/0x3514 [ 173.166136][ C1] kernel_clone+0x1d8/0x8ac [ 173.167268][ C1] user_mode_thread+0x110/0x178 [ 173.168469][ C1] rest_init+0x2c/0x2f4 [ 173.169497][ C1] start_kernel+0x0/0x55c [ 173.170602][ C1] start_kernel+0x3f0/0x55c [ 173.171694][ C1] __primary_switched+0xb8/0xc0 [ 173.172822][ C1] [ 173.172822][ C1] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 173.174335][ C1] _raw_spin_lock_irqsave+0x5c/0x7c [ 173.175557][ C1] try_to_wake_up+0xb0/0xd9c [ 173.176598][ C1] default_wake_function+0x4c/0x60 [ 173.177800][ C1] autoremove_wake_function+0x24/0xf8 [ 173.179013][ C1] __wake_up_common+0x23c/0x3bc [ 173.180193][ C1] __wake_up+0x10c/0x1a8 [ 173.181220][ C1] wakeup_kcompactd+0x254/0x310 [ 173.182365][ C1] balance_pgdat+0x1880/0x1c34 [ 173.183517][ C1] kswapd+0x7d0/0x10fc [ 173.184582][ C1] kthread+0x288/0x310 [ 173.185615][ C1] ret_from_fork+0x10/0x20 [ 173.186684][ C1] [ 173.186684][ C1] -> #0 (&pgdat->kcompactd_wait){-...}-{2:2}: [ 173.188437][ C1] __lock_acquire+0x3310/0x75f0 [ 173.189609][ C1] lock_acquire+0x23c/0x71c [ 173.190631][ C1] _raw_spin_lock_irqsave+0x5c/0x7c [ 173.191839][ C1] __wake_up+0xec/0x1a8 [ 173.192855][ C1] wakeup_kcompactd+0x254/0x310 [ 173.193983][ C1] wakeup_kswapd+0x350/0x8c8 [ 173.195083][ C1] wake_all_kswapds+0x13c/0x23c [ 173.196194][ C1] __alloc_pages_slowpath+0x378/0x1edc [ 173.197498][ C1] __alloc_pages+0x3bc/0x698 [ 173.198685][ C1] alloc_pages+0x4bc/0x7c0 [ 173.199769][ C1] __stack_depot_save+0x4ac/0x678 [ 173.201016][ C1] kasan_save_stack+0x54/0x6c [ 173.202149][ C1] __kasan_record_aux_stack+0xcc/0xe8 [ 173.203458][ C1] kasan_record_aux_stack+0x14/0x20 [ 173.204663][ C1] task_work_add+0x94/0x3c0 [ 173.205734][ C1] scheduler_tick+0x2d0/0x52c [ 173.206780][ C1] update_process_times+0x198/0x1f4 [ 173.207974][ C1] tick_sched_timer+0x330/0x4e8 [ 173.209059][ C1] __hrtimer_run_queues+0x458/0xca0 [ 173.210295][ C1] hrtimer_interrupt+0x2c0/0xb64 [ 173.211540][ C1] arch_timer_handler_virt+0x74/0x88 [ 173.212938][ C1] handle_percpu_devid_irq+0x2a4/0x804 [ 173.214267][ C1] generic_handle_domain_irq+0x7c/0xc4 [ 173.215741][ C1] gic_handle_irq+0x70/0x1e4 [ 173.216918][ C1] call_on_irq_stack+0x24/0x4c [ 173.218073][ C1] do_interrupt_handler+0xd4/0x138 [ 173.219266][ C1] el1_interrupt+0x34/0x68 [ 173.220286][ C1] el1h_64_irq_handler+0x18/0x24 [ 173.221455][ C1] el1h_64_irq+0x64/0x68 [ 173.222418][ C1] dump_stack_lvl+0x104/0x124 [ 173.223522][ C1] dump_stack+0x1c/0x28 [ 173.224583][ C1] dump_header+0xb4/0x954 [ 173.225633][ C1] oom_kill_process+0x10c/0x6ec [ 173.226770][ C1] out_of_memory+0xe24/0x103c [ 173.227990][ C1] __alloc_pages_slowpath+0x1714/0x1edc [ 173.229361][ C1] __alloc_pages+0x3bc/0x698 [ 173.230472][ C1] alloc_pages+0x4bc/0x7c0 [ 173.231506][ C1] alloc_slab_page+0xa0/0x164 [ 173.232649][ C1] new_slab+0x210/0x2f4 [ 173.233676][ C1] ___slab_alloc+0x80c/0xdf4 [ 173.234794][ C1] kmem_cache_alloc_node+0x318/0x46c [ 173.236024][ C1] __alloc_skb+0x19c/0x3d8 [ 173.237223][ C1] alloc_skb_with_frags+0xb4/0x590 [ 173.238467][ C1] sock_alloc_send_pskb+0x76c/0x884 [ 173.239668][ C1] unix_dgram_sendmsg+0x480/0x16c0 [ 173.240915][ C1] __sys_sendto+0x3b4/0x538 [ 173.242029][ C1] __arm64_sys_sendto+0xd8/0xf8 [ 173.243208][ C1] invoke_syscall+0x98/0x2c0 [ 173.244317][ C1] el0_svc_common+0x138/0x258 [ 173.245356][ C1] do_el0_svc+0x64/0x198 [ 173.246389][ C1] el0_svc+0x4c/0x15c [ 173.247297][ C1] el0t_64_sync_handler+0x84/0xf0 [ 173.248507][ C1] el0t_64_sync+0x190/0x194 [ 173.249544][ C1] [ 173.249544][ C1] other info that might help us debug this: [ 173.249544][ C1] [ 173.251646][ C1] Chain exists of: [ 173.251646][ C1] &pgdat->kcompactd_wait --> &p->pi_lock --> &rq->__lock [ 173.251646][ C1] [ 173.254301][ C1] Possible unsafe locking scenario: [ 173.254301][ C1] [ 173.255859][ C1] CPU0 CPU1 [ 173.257001][ C1] ---- ---- [ 173.258164][ C1] lock(&rq->__lock); [ 173.259130][ C1] lock(&p->pi_lock); [ 173.260545][ C1] lock(&rq->__lock); [ 173.262120][ C1] lock(&pgdat->kcompactd_wait); [ 173.263160][ C1] [ 173.263160][ C1] *** DEADLOCK *** [ 173.263160][ C1] [ 173.264901][ C1] 2 locks held by klogd/5578: [ 173.265899][ C1] #0: ffff8000161245e8 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath+0x1694/0x1edc [ 173.268056][ C1] #1: ffff0001b4259b18 (&rq->__lock){-.-.}-{2:2}, at: scheduler_tick+0xa4/0x52c [ 173.269996][ C1] [ 173.269996][ C1] stack backtrace: [ 173.271167][ C1] CPU: 1 PID: 5578 Comm: klogd Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 173.273309][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 173.275580][ C1] Call trace: [ 173.276341][ C1] dump_backtrace+0x1b8/0x1e4 [ 173.277414][ C1] show_stack+0x2c/0x44 [ 173.278358][ C1] dump_stack_lvl+0xd0/0x124 [ 173.279321][ C1] dump_stack+0x1c/0x28 [ 173.280246][ C1] print_circular_bug+0x150/0x1b8 [ 173.281320][ C1] check_noncircular+0x2cc/0x378 [ 173.282353][ C1] __lock_acquire+0x3310/0x75f0 [ 173.283358][ C1] lock_acquire+0x23c/0x71c [ 173.284362][ C1] _raw_spin_lock_irqsave+0x5c/0x7c [ 173.285434][ C1] __wake_up+0xec/0x1a8 [ 173.286318][ C1] wakeup_kcompactd+0x254/0x310 [ 173.287390][ C1] wakeup_kswapd+0x350/0x8c8 [ 173.288441][ C1] wake_all_kswapds+0x13c/0x23c [ 173.289555][ C1] __alloc_pages_slowpath+0x378/0x1edc [ 173.290694][ C1] __alloc_pages+0x3bc/0x698 [ 173.291678][ C1] alloc_pages+0x4bc/0x7c0 [ 173.292671][ C1] __stack_depot_save+0x4ac/0x678 [ 173.293797][ C1] kasan_save_stack+0x54/0x6c [ 173.294772][ C1] __kasan_record_aux_stack+0xcc/0xe8 [ 173.295902][ C1] kasan_record_aux_stack+0x14/0x20 [ 173.297041][ C1] task_work_add+0x94/0x3c0 [ 173.298028][ C1] scheduler_tick+0x2d0/0x52c [ 173.299030][ C1] update_process_times+0x198/0x1f4 [ 173.300172][ C1] tick_sched_timer+0x330/0x4e8 [ 173.301291][ C1] __hrtimer_run_queues+0x458/0xca0 [ 173.302395][ C1] hrtimer_interrupt+0x2c0/0xb64 [ 173.303473][ C1] arch_timer_handler_virt+0x74/0x88 [ 173.304573][ C1] handle_percpu_devid_irq+0x2a4/0x804 [ 173.305746][ C1] generic_handle_domain_irq+0x7c/0xc4 [ 173.306867][ C1] gic_handle_irq+0x70/0x1e4 [ 173.307843][ C1] call_on_irq_stack+0x24/0x4c [ 173.308917][ C1] do_interrupt_handler+0xd4/0x138 [ 173.310031][ C1] el1_interrupt+0x34/0x68 [ 173.310932][ C1] el1h_64_irq_handler+0x18/0x24 [ 173.311922][ C1] el1h_64_irq+0x64/0x68 [ 173.312846][ C1] dump_stack_lvl+0x104/0x124 [ 173.313882][ C1] dump_stack+0x1c/0x28 [ 173.314787][ C1] dump_header+0xb4/0x954 [ 173.315709][ C1] oom_kill_process+0x10c/0x6ec [ 173.316816][ C1] out_of_memory+0xe24/0x103c [ 173.317792][ C1] __alloc_pages_slowpath+0x1714/0x1edc [ 173.319019][ C1] __alloc_pages+0x3bc/0x698 [ 173.319973][ C1] alloc_pages+0x4bc/0x7c0 [ 173.320919][ C1] alloc_slab_page+0xa0/0x164 [ 173.321895][ C1] new_slab+0x210/0x2f4 [ 173.322764][ C1] ___slab_alloc+0x80c/0xdf4 [ 173.323745][ C1] kmem_cache_alloc_node+0x318/0x46c [ 173.324858][ C1] __alloc_skb+0x19c/0x3d8 [ 173.325820][ C1] alloc_skb_with_frags+0xb4/0x590 [ 173.326932][ C1] sock_alloc_send_pskb+0x76c/0x884 [ 173.328024][ C1] unix_dgram_sendmsg+0x480/0x16c0 [ 173.329206][ C1] __sys_sendto+0x3b4/0x538 [ 173.330122][ C1] __arm64_sys_sendto+0xd8/0xf8 [ 173.331134][ C1] invoke_syscall+0x98/0x2c0 [ 173.332117][ C1] el0_svc_common+0x138/0x258 [ 173.333123][ C1] do_el0_svc+0x64/0x198 [ 173.334032][ C1] el0_svc+0x4c/0x15c [ 173.334851][ C1] el0t_64_sync_handler+0x84/0xf0 [ 173.335891][ C1] el0t_64_sync+0x190/0x194