0 pages HighMem/MovableOnly 369642 pages reserved 0 pages cma reserved Unreclaimable slab info: Name Used Total unregister_netdevice: waiting for ip6gretap0 to become free. Usage count = 5 pid_2 10KB 16KB batadv_tl_cache 4KB 8KB TIPC 56KB 100KB SCTPv6 14KB 18KB DCCPv6 17KB 30KB DCCP 16KB 27KB RXRPC 11KB 19KB rxrpc_call_jar 78KB 86KB bridge_fdb_cache 9KB 15KB fib6_nodes 157KB 160KB ip6_dst_cache 84KB 337KB RAWv6 68KB 78KB UDPv6 25KB 29KB TCPv6 146KB 164KB nf_conntrack 2KB 11KB t10_alua_lu_gp_cache 0KB 3KB sd_ext_cdb 0KB 7KB scsi_sense_cache 1056KB 1064KB virtio_scsi_cmd 16KB 16KB sgpool-128 8KB 8KB sgpool-64 4KB 12KB sgpool-32 2KB 15KB sgpool-16 1KB 7KB sgpool-8 0KB 7KB mqueue_inode_cache 10KB 22KB bio_post_read_ctx 14KB 15KB bio-2 14KB 15KB jfs_mp 7KB 7KB cifs_small_rq 15KB 16KB cifs_request 67KB 67KB cifs_mpx_ids 0KB 7KB nfs_commit_data 3KB 14KB nfs_write_data 34KB 44KB ext4_system_zone 1KB 7KB dio 502KB 599KB bio-1 1KB 7KB pid_namespace 2KB 7KB rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB UNIX 54KB 79KB tcp_bind_bucket 1KB 4KB ip_fib_trie 23KB 27KB ip_fib_alias 112KB 118KB ip_dst_cache 4KB 12KB RAW 40KB 50KB UDP 24KB 45KB TCP 275KB 319KB hugetlbfs_inode_cache 3KB 15KB fscache_cookie_jar 1KB 11KB eventpoll_pwq 8KB 39KB eventpoll_epi 16KB 55KB inotify_inode_mark 7KB 15KB request_queue 199KB 199KB blkdev_requests 1KB 3KB blkdev_ioc 15KB 19KB bio-0 2028KB 2028KB biovec-max 1765KB 1765KB biovec-64 181KB 181KB biovec-16 515KB 517KB bio_integrity_payload 1KB 8KB khugepaged_mm_slot 1KB 7KB uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB audit_buffer 3KB 7KB skbuff_fclone_cache 11713KB 13398KB skbuff_head_cache 119542KB 123108KB configfs_dir_cache 3KB 7KB file_lock_cache 4KB 31KB file_lock_ctx 9KB 15KB fsnotify_mark_connector 3KB 7KB net_namespace 52KB 52KB shmem_inode_cache 7840KB 7905KB task_delay_info 67KB 296KB taskstats 12KB 19KB proc_dir_entry 685KB 693KB pde_opener 0KB 15KB seq_file 10KB 106KB sigqueue 15KB 19KB kernfs_node_cache 18305KB 18333KB mnt_cache 173KB 188KB filp 700KB 1252KB names_cache 6617KB 6617KB iint_cache 94KB 103KB key_jar 4KB 11KB uts_namespace 2KB 7KB nsproxy 1KB 7KB vm_area_struct 584KB 943KB mm_struct 99KB 214KB fs_cache 19KB 132KB files_cache 57KB 150KB signal_cache 376KB 912KB sighand_cache 578KB 631KB task_struct 1893KB 1956KB cred_jar 174KB 1096KB anon_vma_chain 187KB 543KB anon_vma 164KB 242KB pid 31KB 216KB Acpi-Operand 156KB 194KB Acpi-ParseExt 9KB 11KB Acpi-Parse 41KB 47KB Acpi-State 52KB 63KB Acpi-Namespace 20KB 27KB numa_policy 0KB 3KB debug_objects_cache 1646KB 1650KB trace_event_file 297KB 298KB ftrace_event_field 398KB 401KB pool_workqueue 121KB 124KB page->ptl 79KB 371KB kmalloc-2097152 2050KB 2050KB kmalloc-524288 2056KB 2056KB kmalloc-262144 1290KB 1290KB kmalloc-131072 650KB 650KB kmalloc-65536 1848KB 1914KB kmalloc-32768 1650KB 1650KB kmalloc-16384 940KB 973KB kmalloc-8192 3184912KB 3185028KB kmalloc-4096 10374KB 10391KB kmalloc-2048 9955KB 11404KB kmalloc-1024 16086KB 17372KB kmalloc-512 5723KB 7308KB kmalloc-256 3870KB 4713KB kmalloc-128 724KB 1248KB kmalloc-96 1899KB 2944KB kmalloc-64 2488KB 3196KB kmalloc-32 1987KB 2295KB kmalloc-192 1481KB 2308KB kmem_cache 177KB 183KB Out of memory: Kill process 8109 (syz-execprog) score 2 or sacrifice child Killed process 8109 (syz-execprog) total-vm:846692kB, anon-rss:18372kB, file-rss:0kB, shmem-rss:0kB rs:main Q:Reg invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 oom_reaper: reaped process 8109 (syz-execprog), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB rs:main Q:Reg cpuset=/ mems_allowed=0-1 CPU: 0 PID: 7802 Comm: rs:main Q:Reg Not tainted 4.19.187-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 dump_header+0x15d/0xc3f mm/oom_kill.c:443 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956 out_of_memory mm/oom_kill.c:1114 [inline] out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064 __alloc_pages_may_oom mm/page_alloc.c:3553 [inline] __alloc_pages_slowpath mm/page_alloc.c:4255 [inline] __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419 __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682 fallback_alloc+0x213/0x2e0 mm/slab.c:3224 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557 getname_flags+0xce/0x590 fs/namei.c:140 user_path_at_empty+0x2a/0x50 fs/namei.c:2609 user_path_at include/linux/namei.h:57 [inline] do_faccessat+0x248/0x7a0 fs/open.c:397 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe8fcc7c9c7 Code: Bad RIP value. RSP: 002b:00007fe8fb12f3f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007fe8fb12f4e0 RCX: 00007fe8fcc7c9c7 RDX: 00007fe8fcd09850 RSI: 0000000000000000 RDI: 00007fe8fcd05f43 RBP: 00007fe8fb12f50c R08: 0000000000000000 R09: 0000000000000010 R10: 00005567aa880280 R11: 0000000000000246 R12: 00007fe8fb12f660 R13: 00005567ab14bb20 R14: 00005567ab14bc10 R15: 0000000000000001 Mem-Info: active_anon:2893 inactive_anon:4754 isolated_anon:0 active_file:43 inactive_file:169 isolated_file:56 unevictable:0 dirty:14 writeback:0 unstable:0 slab_reclaimable:16800 slab_unreclaimable:1621140 mapped:1202 shmem:4952 pagetables:475 bounce:0 free:37659 free_pcp:59 free_cma:0 Node 0 active_anon:10368kB inactive_anon:18992kB active_file:120kB inactive_file:312kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:4860kB dirty:8kB writeback:0kB shmem:19784kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:1204kB inactive_anon:24kB active_file:168kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):96kB mapped:48kB dirty:48kB writeback:0kB shmem:24kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 DMA free:10832kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pa