[ 164.044021][ T1978] readlink invoked oom-killer: gfp_mask=0x40cc0(GFP_KERNEL|__GFP_COMP), order=1, oom_score_adj=0 [ 164.044806][ T1978] CPU: 2 UID: 0 PID: 1978 Comm: readlink Not tainted 6.14.0-rc5-virtme #1 [ 164.044812][ T1978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.044814][ T1978] Call Trace: [ 164.044815][ T1978] [ 164.044818][ T1978] dump_stack_lvl+0xb0/0xd0 [ 164.044829][ T1978] dump_header+0x101/0x7d0 [ 164.044841][ T1978] oom_kill_process+0x8b/0x1b0 [ 164.044847][ T1978] out_of_memory+0x228/0x760 [ 164.044853][ T1978] ? __pfx_out_of_memory+0x10/0x10 [ 164.044866][ T1978] __alloc_pages_may_oom+0x232/0x3c0 [ 164.044872][ T1978] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 164.044891][ T1978] __alloc_pages_slowpath.constprop.0+0x7d1/0x1480 [ 164.044903][ T1978] ? get_page_from_freelist+0x5da/0xf70 [ 164.044907][ T1978] ? __pfx___alloc_pages_slowpath.constprop.0+0x10/0x10 [ 164.044924][ T1978] __alloc_frozen_pages_noprof+0x2f2/0x350 [ 164.044929][ T1978] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 164.044941][ T1978] ? __pfx_validate_chain+0x10/0x10 [ 164.044946][ T1978] ? hlock_class+0x4e/0x130 [ 164.044950][ T1978] ? mark_lock+0x38/0x3e0 [ 164.044953][ T1978] ? kasan_save_free_info+0x3b/0x60 [ 164.044962][ T1978] alloc_pages_mpol+0xc0/0x3a0 [ 164.044969][ T1978] ? __pfx_alloc_pages_mpol+0x10/0x10 [ 164.044982][ T1978] allocate_slab+0x225/0x2e0 [ 164.044988][ T1978] ? getname_flags+0x4f/0x410 [ 164.044993][ T1978] ___slab_alloc+0x6ef/0xee0 [ 164.044996][ T1978] ? __lock_release+0x103/0x460 [ 164.044999][ T1978] ? getname_flags+0x4f/0x410 [ 164.045003][ T1978] ? ___slab_alloc+0x1/0xee0 [ 164.045008][ T1978] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 164.045023][ T1978] ? getname_flags+0x4f/0x410 [ 164.045027][ T1978] ? kmem_cache_alloc_noprof+0x1be/0x350 [ 164.045030][ T1978] kmem_cache_alloc_noprof+0x1be/0x350 [ 164.045041][ T1978] getname_flags+0x4f/0x410 [ 164.045048][ T1978] do_sys_openat2+0xdb/0x160 [ 164.045054][ T1978] ? __pfx_do_sys_openat2+0x10/0x10 [ 164.045059][ T1978] ? user_path_at+0x53/0x70 [ 164.045072][ T1978] __x64_sys_openat+0x123/0x1e0 [ 164.045077][ T1978] ? __pfx___x64_sys_openat+0x10/0x10 [ 164.045090][ T1978] do_syscall_64+0xc1/0x1d0 [ 164.045096][ T1978] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 164.045101][ T1978] RIP: 0033:0x7f32f1d65f68 [ 164.045107][ T1978] Code: Unable to access opcode bytes at 0x7f32f1d65f3e. [ 164.045109][ T1978] RSP: 002b:00007fff1c200518 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 164.045112][ T1978] RAX: ffffffffffffffda RBX: 00007fff1c20079f RCX: 00007f32f1d65f68 [ 164.045114][ T1978] RDX: 0000000000080000 RSI: 00007fff1c200590 RDI: 00000000ffffff9c [ 164.045116][ T1978] RBP: 00007fff1c200580 R08: 0000000000080000 R09: 00007fff1c200590 [ 164.045118][ T1978] R10: 0000000000000000 R11: 0000000000000287 R12: 00007fff1c200597 [ 164.045119][ T1978] R13: 00007fff1c2007b0 R14: 00007fff1c200590 R15: 00007f32f1d36000 [ 164.045136][ T1978] [ 164.045142][ T1978] Mem-Info: [ 164.057012][ T1978] active_anon:47 inactive_anon:3434 isolated_anon:0 [ 164.057012][ T1978] active_file:0 inactive_file:8 isolated_file:0 [ 164.057012][ T1978] unevictable:0 dirty:0 writeback:0 [ 164.057012][ T1978] slab_reclaimable:1399 slab_unreclaimable:160858 [ 164.057012][ T1978] mapped:18 shmem:1111 pagetables:276 [ 164.057012][ T1978] sec_pagetables:0 bounce:0 [ 164.057012][ T1978] kernel_misc_reclaimable:0 [ 164.057012][ T1978] free:1377 free_pcp:649 free_cma:0 [ 164.058662][ T1978] Node 0 active_anon:188kB inactive_anon:13736kB active_file:0kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:4444kB writeback_tmp:0kB kernel_stack:3760kB pagetables:1104kB sec_pagetables:0kB all_unreclaimable? no [ 164.059645][ T1978] Node 0 DMA free:932kB boost:0kB min:68kB low:84kB high:100kB reserved_highatomic:0KB active_anon:4kB inactive_anon:112kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 164.060526][ T1978] lowmem_reserve[]: 0 733 0 0 0 [ 164.060722][ T1978] Node 0 DMA32 free:4236kB boost:0kB min:3408kB low:4260kB high:5112kB reserved_highatomic:4096KB active_anon:184kB inactive_anon:13708kB active_file:96kB inactive_file:36kB unevictable:0kB writepending:0kB present:1032188kB managed:751144kB mlocked:0kB bounce:0kB free_pcp:2884kB local_pcp:684kB free_cma:0kB [ 164.061665][ T1978] lowmem_reserve[]: 0 0 0 0 0 [ 164.061866][ T1978] Node 0 DMA: 11*4kB (U) 13*8kB (U) 20*16kB (U) 8*32kB (U) 3*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 916kB [ 164.062380][ T1978] Node 0 DMA32: 90*4kB (UM) 193*8kB (UME) 139*16kB (ME) 2*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4192kB [ 164.062906][ T1978] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 164.063219][ T1978] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 164.063586][ T1978] 1147 total pagecache pages [ 164.063776][ T1978] 0 pages in swap cache [ 164.063927][ T1978] Free swap = 0kB [ 164.064079][ T1978] Total swap = 0kB [ 164.064228][ T1978] 262045 pages RAM [ 164.064385][ T1978] 0 pages HighMem/MovableOnly [ 164.064601][ T1978] 70419 pages reserved [ 164.064774][ T1978] Unreclaimable slab info: [ 164.065055][ T1978] Name Used Total [ 164.065403][ T1978] fib6_node 3KB 4KB [ 164.065692][ T1978] ip6_dst_cache 4KB 7KB [ 164.065934][ T1978] RAWv6 31KB 31KB [ 164.066166][ T1978] request_sock_TCPv6 0KB 7KB [ 164.066568][ T1978] TCPv6 120KB 123KB [ 164.066813][ T1978] virtio_scsi_cmd 24KB 31KB [ 164.067041][ T1978] bio-120 5KB 7KB [ 164.067272][ T1978] bio-248 1KB 7KB [ 164.067512][ T1978] mqueue_inode_cache 1KB 31KB [ 164.067757][ T1978] fuse_request 104KB 107KB [ 164.067981][ T1978] posix_timers_cache 0KB 15KB [ 164.068248][ T1978] UNIX-STREAM 13KB 122KB [ 164.068466][ T1978] UNIX 6KB 30KB [ 164.068704][ T1978] tcp_bind2_bucket 4KB 8KB [ 164.068946][ T1978] tcp_bind_bucket 4KB 8KB [ 164.069168][ T1978] ip_fib_trie 1KB 3KB [ 164.069386][ T1978] ip_fib_alias 1KB 3KB [ 164.069732][ T1978] RAW 21KB 31KB [ 164.070060][ T1978] UDP 4KB 32KB [ 164.070472][ T1978] hugetlbfs_inode_cache 2KB 30KB [ 164.070709][ T1978] netfs_subrequest 37KB 39KB [ 164.070949][ T1978] netfs_request 93KB 95KB [ 164.071184][ T1978] bio-240 14KB 15KB [ 164.071417][ T1978] ep_head 0KB 16KB [ 164.071681][ T1978] eventpoll_pwq 1KB 15KB [ 164.071907][ T1978] eventpoll_epi 1KB 31KB [ 164.072132][ T1978] inotify_inode_mark 1KB 3KB [ 164.072365][ T1978] sgpool-128 8KB 30KB [ 164.072606][ T1978] sgpool-64 4KB 31KB [ 164.072830][ T1978] sgpool-32 2KB 31KB [ 164.073079][ T1978] sgpool-16 1KB 15KB [ 164.073294][ T1978] sgpool-8 0KB 7KB [ 164.073539][ T1978] request_queue 18KB 29KB [ 164.073757][ T1978] bio-184 0KB 7KB [ 164.073975][ T1978] biovec-max 166KB 183KB [ 164.074209][ T1978] dmaengine-unmap-2 0KB 4KB [ 164.074446][ T1978] skbuff_small_head 3372KB 3780KB [ 164.074688][ T1978] skbuff_fclone_cache 361KB 375KB [ 164.074907][ T1978] skbuff_head_cache 1401KB 1401KB [ 164.075224][ T1978] configfs_dir_cache 0KB 3KB [ 164.075458][ T1978] file_lock_cache 0KB 7KB [ 164.075691][ T1978] file_lock_ctx 1KB 7KB [ 164.075915][ T1978] fsnotify_mark_connector 1KB 3KB [ 164.076149][ T1978] proc_dir_entry 95KB 102KB [ 164.076460][ T1978] pde_opener 0KB 3KB [ 164.076704][ T1978] seq_file 0KB 30KB [ 164.077011][ T1978] sigqueue 1KB 7KB [ 164.077229][ T1978] shmem_inode_cache 1082KB 1104KB [ 164.077468][ T1978] kernfs_node_cache 3585KB 3764KB [ 164.077703][ T1978] mnt_cache 50KB 80KB [ 164.077939][ T1978] bfilp 79KB 141KB [ 164.078160][ T1978] filp 124KB 252KB [ 164.078380][ T1978] names_cache 459KB 459KB [ 164.078622][ T1978] net_namespace 6KB 30KB [ 164.078845][ T1978] key_jar 2KB 8KB [ 164.079073][ T1978] nsproxy 0KB 3KB [ 164.079305][ T1978] vma_lock 195KB 431KB [ 164.079539][ T1978] vm_area_struct 201KB 374KB [ 164.079764][ T1978] fs_cache 5KB 23KB [ 164.080070][ T1978] files_cache 14KB 63KB [ 164.080404][ T1978] signal_cache 153KB 243KB [ 164.080755][ T1978] sighand_cache 216KB 308KB [ 164.080982][ T1978] task_struct 1068KB 1120KB [ 164.081207][ T1978] cred 43KB 70KB [ 164.081441][ T1978] anon_vma_chain 74KB 137KB [ 164.081681][ T1978] anon_vma 107KB 181KB [ 164.081917][ T1978] pid 53KB 63KB [ 164.082161][ T1978] Acpi-Operand 137KB 166KB [ 164.082384][ T1978] Acpi-ParseExt 0KB 3KB [ 164.082634][ T1978] Acpi-Parse 0KB 11KB [ 164.082852][ T1978] Acpi-State 0KB 15KB [ 164.083083][ T1978] Acpi-Namespace 14KB 15KB [ 164.083546][ T1978] numa_policy 0KB 3KB [ 164.083882][ T1978] trace_event_file 324KB 328KB [ 164.084111][ T1978] ftrace_event_field 700KB 700KB [ 164.084336][ T1978] pool_workqueue 249KB 283KB [ 164.084691][ T1978] maple_node 282KB 850KB [ 164.085009][ T1978] mm_struct 29KB 126KB [ 164.085232][ T1978] vmap_area 268KB 268KB [ 164.085464][ T1978] debug_objects_cache 117272KB 117273KB [ 164.085717][ T1978] page->ptl 35KB 55KB [ 164.085940][ T1978] kmemleak_scan_area 59KB 59KB [ 164.086179][ T1978] kmemleak_object 430765KB 430771KB [ 164.086406][ T1978] kmalloc-8k 432KB 456KB [ 164.086742][ T1978] kmalloc-4k 25764KB 26688KB [ 164.086958][ T1978] kmalloc-2k 22350KB 22350KB [ 164.087193][ T1978] kmalloc-1k 1218KB 1470KB [ 164.087424][ T1978] kmalloc-512 1170KB 1512KB [ 164.087668][ T1978] kmalloc-256 477KB 897KB [ 164.087904][ T1978] kmalloc-128 169KB 315KB [ 164.088219][ T1978] kmalloc-64 520KB 616KB [ 164.088449][ T1978] kmalloc-32 446KB 870KB [ 164.088721][ T1978] kmalloc-16 258KB 261KB [ 164.088943][ T1978] kmalloc-8 204KB 283KB [ 164.089166][ T1978] kmalloc-192 294KB 433KB [ 164.089400][ T1978] kmalloc-96 1066KB 1120KB [ 164.089725][ T1978] kmem_cache_node 62KB 70KB [ 164.089955][ T1978] kmem_cache 75KB 78KB [ 164.090201][ T1978] Tasks state (memory values in pages): [ 164.090391][ T1978] [ pid ] uid tgid total_vm rss rss_anon rss_file rss_shmem pgtables_bytes swapents oom_score_adj name [ 164.090805][ T1978] [ 124] 0 124 7102 384 331 53 0 73728 0 0 systemd-udevd [ 164.091453][ T1978] [ 186] 0 186 3399 202 128 74 0 53248 0 0 bash [ 164.091886][ T1978] [ 1322] 0 1322 35646 773 768 5 0 126976 0 0 iperf3 [ 164.092417][ T1978] [ 1325] 0 1325 35646 820 768 52 0 126976 0 0 iperf3 [ 164.092909][ T1978] [ 1966] 0 1966 2598 130 96 34 0 65536 0 0 make [ 164.093303][ T1978] [ 1978] 0 1978 108 4 0 4 0 36864 0 0 readlink [ 164.093790][ T1978] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,task=iperf3,pid=1325,uid=0 [ 164.094364][ T1978] Out of memory: Killed process 1325 (iperf3) total-vm:142584kB, anon-rss:3072kB, file-rss:208kB, shmem-rss:0kB, UID:0 pgtables:124kB oom_score_adj:0 [ 164.110644][ T1341] iperf3 (1341) used greatest stack depth: 23776 bytes left