[ 169.424757][ T997] iperf3 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0 [ 169.425520][ T997] CPU: 2 UID: 0 PID: 997 Comm: iperf3 Not tainted 6.14.0-rc5-virtme #1 [ 169.425527][ T997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 169.425530][ T997] Call Trace: [ 169.425532][ T997] [ 169.425535][ T997] dump_stack_lvl+0xb0/0xd0 [ 169.425547][ T997] dump_header+0x101/0x7d0 [ 169.425565][ T997] oom_kill_process+0x8b/0x1b0 [ 169.425575][ T997] out_of_memory+0x228/0x760 [ 169.425583][ T997] ? __pfx_out_of_memory+0x10/0x10 [ 169.425605][ T997] __alloc_pages_may_oom+0x232/0x3c0 [ 169.425616][ T997] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 169.425647][ T997] __alloc_pages_slowpath.constprop.0+0x7d1/0x1480 [ 169.425670][ T997] ? get_page_from_freelist+0x1e8/0xf70 [ 169.425678][ T997] ? __pfx___alloc_pages_slowpath.constprop.0+0x10/0x10 [ 169.425704][ T997] __alloc_frozen_pages_noprof+0x2f2/0x350 [ 169.425709][ T997] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 169.425714][ T997] ? __might_fault+0x11b/0x170 [ 169.425725][ T997] ? trace_kmem_cache_alloc+0x2d/0xe0 [ 169.425728][ T997] ? kmem_cache_alloc_node_noprof+0x154/0x360 [ 169.425732][ T997] ? __create_object+0x5e/0xb0 [ 169.425744][ T997] alloc_pages_mpol+0xc0/0x3a0 [ 169.425751][ T997] ? __pfx_alloc_pages_mpol+0x10/0x10 [ 169.425757][ T997] ? __alloc_skb+0x23d/0x2e0 [ 169.425769][ T997] alloc_pages_noprof+0xf6/0x2d0 [ 169.425775][ T997] skb_page_frag_refill+0x1d7/0x330 [ 169.425783][ T997] sk_page_frag_refill+0x52/0x2b0 [ 169.425795][ T997] tcp_sendmsg_locked+0xb38/0x3380 [ 169.425842][ T997] ? __pfx_tcp_sendmsg_locked+0x10/0x10 [ 169.425852][ T997] ? hlock_class+0x4e/0x130 [ 169.425860][ T997] ? mark_lock+0x38/0x3e0 [ 169.425870][ T997] ? mark_held_locks+0x9e/0xe0 [ 169.425891][ T997] tcp_sendmsg+0x2c/0x50 [ 169.425900][ T997] sock_write_iter+0x27b/0x520 [ 169.425913][ T997] ? __pfx_sock_write_iter+0x10/0x10 [ 169.425949][ T997] ? find_held_lock+0x2c/0x110 [ 169.425963][ T997] vfs_write+0xbdb/0x11e0 [ 169.425971][ T997] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 169.425982][ T997] ? __pfx_vfs_write+0x10/0x10 [ 169.425997][ T997] ? __fget_files+0x190/0x300 [ 169.426037][ T997] ksys_write+0x18d/0x1d0 [ 169.426047][ T997] ? __pfx_ksys_write+0x10/0x10 [ 169.426074][ T997] do_syscall_64+0xc1/0x1d0 [ 169.426086][ T997] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 169.426094][ T997] RIP: 0033:0x7fad59e97baf [ 169.426102][ T997] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 d0 f5 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 dc d0 f5 ff 48 [ 169.426107][ T997] RSP: 002b:00007fad58577cd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 169.426113][ T997] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007fad59e97baf [ 169.426117][ T997] RDX: 0000000000020000 RSI: 00007fad5971b000 RDI: 0000000000000009 [ 169.426120][ T997] RBP: 00007fad5971b000 R08: 0000000000000002 R09: 00007ffee90e1cdf [ 169.426123][ T997] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000009 [ 169.426126][ T997] R13: 0000000000020000 R14: 00007fad58577d60 R15: 0000557c68b6af80 [ 169.426158][ T997] [ 169.447439][ T997] Mem-Info: [ 169.448247][ T997] active_anon:45 inactive_anon:3532 isolated_anon:0 [ 169.448247][ T997] active_file:13 inactive_file:16 isolated_file:0 [ 169.448247][ T997] unevictable:0 dirty:0 writeback:0 [ 169.448247][ T997] slab_reclaimable:1345 slab_unreclaimable:157058 [ 169.448247][ T997] mapped:38 shmem:1111 pagetables:217 [ 169.448247][ T997] sec_pagetables:0 bounce:0 [ 169.448247][ T997] kernel_misc_reclaimable:0 [ 169.448247][ T997] free:1579 free_pcp:182 free_cma:0 [ 169.450933][ T997] Node 0 active_anon:180kB inactive_anon:14128kB active_file:52kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:152kB dirty:0kB writeback:0kB shmem:4444kB writeback_tmp:0kB kernel_stack:3776kB pagetables:868kB sec_pagetables:0kB all_unreclaimable? no [ 169.452620][ T997] Node 0 DMA free:388kB boost:2048kB min:2116kB low:2132kB high:2148kB reserved_highatomic:0KB active_anon:0kB inactive_anon:164kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 169.454108][ T997] lowmem_reserve[]: 0 733 0 0 0 [ 169.454407][ T997] Node 0 DMA32 free:6184kB boost:7668kB min:11076kB low:11928kB high:12780kB reserved_highatomic:8192KB active_anon:180kB inactive_anon:13964kB active_file:0kB inactive_file:16kB unevictable:0kB writepending:0kB present:1032188kB managed:751144kB mlocked:0kB bounce:0kB free_pcp:488kB local_pcp:224kB free_cma:0kB [ 169.456330][ T997] lowmem_reserve[]: 0 0 0 0 0 [ 169.456749][ T997] Node 0 DMA: 2*4kB (U) 2*8kB (U) 5*16kB (U) 9*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 392kB [ 169.457678][ T997] Node 0 DMA32: 364*4kB (UM) 183*8kB (UMEH) 62*16kB (UMEH) 64*32kB (UMH) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 6024kB [ 169.458802][ T997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 169.459431][ T997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 169.460040][ T997] 1174 total pagecache pages [ 169.460465][ T997] 0 pages in swap cache [ 169.460783][ T997] Free swap = 0kB [ 169.461103][ T997] Total swap = 0kB [ 169.461420][ T997] 262045 pages RAM [ 169.461745][ T997] 0 pages HighMem/MovableOnly [ 169.462178][ T997] 70419 pages reserved [ 169.462489][ T997] Unreclaimable slab info: [ 169.463145][ T997] Name Used Total [ 169.463663][ T997] fib6_node 3KB 4KB [ 169.464205][ T997] ip6_dst_cache 5KB 7KB [ 169.464952][ T997] RAWv6 31KB 31KB [ 169.465473][ T997] request_sock_TCPv6 0KB 7KB [ 169.465916][ T997] TCPv6 120KB 123KB [ 169.466370][ T997] virtio_scsi_cmd 24KB 31KB [ 169.466775][ T997] bio-120 5KB 7KB [ 169.467224][ T997] bio-248 1KB 7KB [ 169.467654][ T997] mqueue_inode_cache 1KB 31KB [ 169.468102][ T997] fuse_request 48KB 69KB [ 169.468588][ T997] posix_timers_cache 0KB 15KB [ 169.468972][ T997] UNIX-STREAM 0KB 122KB [ 169.469366][ T997] UNIX 6KB 30KB [ 169.469751][ T997] tcp_bind2_bucket 4KB 8KB [ 169.470171][ T997] tcp_bind_bucket 4KB 8KB [ 169.470624][ T997] ip_fib_trie 1KB 3KB [ 169.471032][ T997] ip_fib_alias 1KB 3KB [ 169.471510][ T997] RAW 21KB 31KB [ 169.471920][ T997] UDP 4KB 32KB [ 169.472398][ T997] hugetlbfs_inode_cache 2KB 30KB [ 169.472806][ T997] netfs_subrequest 37KB 39KB [ 169.473193][ T997] netfs_request 93KB 95KB [ 169.473455][ T997] bio-240 14KB 15KB [ 169.473758][ T997] ep_head 0KB 16KB [ 169.474140][ T997] eventpoll_pwq 1KB 15KB [ 169.474515][ T997] eventpoll_epi 1KB 31KB [ 169.474888][ T997] inotify_inode_mark 1KB 3KB [ 169.475275][ T997] sgpool-128 8KB 30KB [ 169.475648][ T997] sgpool-64 4KB 31KB [ 169.476056][ T997] sgpool-32 2KB 31KB [ 169.476454][ T997] sgpool-16 1KB 15KB [ 169.476849][ T997] sgpool-8 0KB 7KB [ 169.477261][ T997] request_queue 18KB 29KB [ 169.477673][ T997] bio-184 0KB 7KB [ 169.478130][ T997] biovec-max 166KB 183KB [ 169.478533][ T997] dmaengine-unmap-2 0KB 4KB [ 169.478951][ T997] skbuff_small_head 2866KB 3475KB [ 169.479383][ T997] skbuff_fclone_cache 501KB 593KB [ 169.479804][ T997] skbuff_head_cache 1097KB 1393KB [ 169.480250][ T997] configfs_dir_cache 0KB 3KB [ 169.480679][ T997] file_lock_cache 0KB 7KB [ 169.481135][ T997] file_lock_ctx 1KB 7KB [ 169.481593][ T997] fsnotify_mark_connector 1KB 3KB [ 169.482026][ T997] proc_dir_entry 95KB 102KB [ 169.482516][ T997] pde_opener 0KB 3KB [ 169.482881][ T997] seq_file 0KB 30KB [ 169.483198][ T997] sigqueue 0KB 7KB [ 169.483604][ T997] shmem_inode_cache 1082KB 1104KB [ 169.484048][ T997] kernfs_node_cache 3585KB 3764KB [ 169.484519][ T997] mnt_cache 50KB 72KB [ 169.484988][ T997] bfilp 60KB 141KB [ 169.485470][ T997] filp 70KB 236KB [ 169.485934][ T997] names_cache 83KB 214KB [ 169.486408][ T997] net_namespace 6KB 30KB [ 169.486881][ T997] key_jar 2KB 8KB [ 169.487348][ T997] nsproxy 0KB 3KB [ 169.487807][ T997] vma_lock 138KB 287KB [ 169.488275][ T997] vm_area_struct 142KB 334KB [ 169.488728][ T997] fs_cache 3KB 23KB [ 169.489174][ T997] files_cache 10KB 63KB [ 169.489594][ T997] signal_cache 145KB 212KB [ 169.489969][ T997] sighand_cache 204KB 308KB [ 169.490361][ T997] task_struct 1025KB 1120KB [ 169.490842][ T997] cred 39KB 70KB [ 169.491280][ T997] anon_vma_chain 55KB 110KB [ 169.491760][ T997] anon_vma 78KB 165KB [ 169.492244][ T997] pid 51KB 63KB [ 169.492609][ T997] Acpi-Operand 137KB 166KB [ 169.492957][ T997] Acpi-ParseExt 0KB 3KB [ 169.493424][ T997] Acpi-Parse 0KB 11KB [ 169.493850][ T997] Acpi-State 0KB 15KB [ 169.494323][ T997] Acpi-Namespace 14KB 15KB [ 169.494762][ T997] numa_policy 0KB 3KB [ 169.495238][ T997] trace_event_file 324KB 328KB [ 169.495689][ T997] ftrace_event_field 700KB 700KB [ 169.496127][ T997] pool_workqueue 249KB 283KB [ 169.496537][ T997] maple_node 184KB 882KB [ 169.496983][ T997] mm_struct 19KB 126KB [ 169.497468][ T997] vmap_area 225KB 225KB [ 169.497970][ T997] debug_objects_cache 114864KB 114996KB [ 169.498431][ T997] page->ptl 21KB 51KB [ 169.498852][ T997] kmemleak_scan_area 49KB 51KB [ 169.499488][ T997] kmemleak_object 421136KB 423036KB [ 169.499908][ T997] kmalloc-8k 432KB 456KB [ 169.500303][ T997] kmalloc-4k 25872KB 26424KB [ 169.500800][ T997] kmalloc-2k 15534KB 15930KB [ 169.501293][ T997] kmalloc-1k 1113KB 1380KB [ 169.501730][ T997] kmalloc-512 1110KB 1638KB [ 169.502224][ T997] kmalloc-256 398KB 834KB [ 169.502638][ T997] kmalloc-128 149KB 291KB [ 169.503020][ T997] kmalloc-64 458KB 624KB [ 169.503484][ T997] kmalloc-32 329KB 882KB [ 169.503875][ T997] kmalloc-16 254KB 257KB [ 169.504317][ T997] kmalloc-8 204KB 275KB [ 169.504716][ T997] kmalloc-192 264KB 425KB [ 169.505181][ T997] kmalloc-96 1037KB 1136KB [ 169.505621][ T997] kmem_cache_node 62KB 70KB [ 169.506058][ T997] kmem_cache 75KB 78KB [ 169.506536][ T997] Tasks state (memory values in pages): [ 169.506883][ T997] [ pid ] uid tgid total_vm rss rss_anon rss_file rss_shmem pgtables_bytes swapents oom_score_adj name [ 169.507630][ T997] [ 121] 0 121 7099 344 331 13 0 69632 0 0 systemd-udevd [ 169.509027][ T997] [ 184] 0 184 3399 175 128 47 0 53248 0 0 bash [ 169.509853][ T997] [ 986] 0 986 35679 854 800 54 0 122880 0 0 iperf3 [ 169.510601][ T997] [ 988] 0 988 35679 800 800 0 0 122880 0 0 iperf3 [ 169.511351][ T997] [ 1510] 0 1510 2598 121 64 57 0 61440 0 0 make [ 169.512141][ T997] [ 1512] 0 1512 1059 69 0 69 0 45056 0 0 sh [ 169.512676][ T997] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,task=iperf3,pid=986,uid=0 [ 169.513804][ T997] Out of memory: Killed process 986 (iperf3) total-vm:142716kB, anon-rss:3200kB, file-rss:216kB, shmem-rss:0kB, UID:0 pgtables:120kB oom_score_adj:0