RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 INFO: task syz-executor.0:12942 blocked for more than 140 seconds. Mem-Info: Not tainted 4.19.211-syzkaller #0 active_anon:299499 inactive_anon:10838 isolated_anon:0 active_file:61 inactive_file:49 isolated_file:27 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:48761 slab_unreclaimable:1111050 mapped:14649 shmem:13323 pagetables:63250 bounce:0 free:27605 free_pcp:183 free_cma:0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Node 0 active_anon:1152032kB inactive_anon:43332kB active_file:344kB inactive_file:792kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48160kB dirty:0kB writeback:0kB shmem:53248kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 591872kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 1 active_anon:45964kB inactive_anon:20kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:10736kB dirty:0kB writeback:0kB shmem:44kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 DMA free:10980kB min:204kB low:252kB high:300kB active_anon:4172kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:32kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2693 2695 2695 2695 Node 0 DMA32 free:45264kB min:35996kB low:44992kB high:53988kB active_anon:1147860kB inactive_anon:43328kB active_file:344kB inactive_file:932kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:37952kB pagetables:64176kB bounce:0kB free_pcp:372kB local_pcp:0kB free_cma:0kB syz-executor.0 D26888 12942 12822 0x00000000 lowmem_reserve[]: 0 0 1 1 1 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 Node 0 Normal free:4kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:53816kB min:53876kB low:67344kB high:80812kB active_anon:45964kB inactive_anon:20kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:136160kB pagetables:188792kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 9*4kB (UME) 10*8kB (UM) 5*16kB (UME) 3*32kB (UE) 1*64kB (E) 3*128kB (UME) 2*256kB (ME) 3*512kB (UME) 2*1024kB (ME) 1*2048kB (E) 1*4096kB (M) = 10980kB Node 0 DMA32: 1592*4kB (UME) 1399*8kB (UME) 794*16kB (UME) 347*32kB (UME) 2*64kB (UM) 0*128kB 1*256kB (U) 0*512kB 2*1024kB (U) 0*2048kB 0*4096kB = 43800kB Node 0 Normal: 1*4kB (E) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB Node 1 Normal: 1716*4kB (UME) 587*8kB (UM) 315*16kB (UM) 93*32kB (UME) 25*64kB (M) 11*128kB (UM) 2*256kB (M) 0*512kB 2*1024kB (UM) 2*2048kB (ME) 6*4096kB (M) = 53816kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 13789 total pagecache pages ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 0 pages in swap cache copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 Swap cache stats: add 0, delete 0, find 0/0 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 369649 pages reserved 0 pages cma reserved Unreclaimable slab info: Name Used Total pid_3 0KB 3KB pid_2 630KB 648KB batadv_tl_cache 4KB 8KB TIPC 2634KB 2640KB SCTPv6 7208KB 7208KB SCTP 67KB 69KB sctp_chunk 1KB 3KB sctp_bind_bucket 0KB 3KB DCCPv6 8747KB 8752KB DCCP 8293KB 8293KB dccp_bind_bucket 0KB 4KB RXRPC 2860KB 2860KB rxrpc_call_jar 19769KB 19774KB bridge_fdb_cache 11KB 15KB fib6_nodes 152KB 188KB ip6_dst_cache 163KB 412KB RAWv6 35437KB 35444KB UDPv6 3305KB 3307KB TCPv6 5460KB 5460KB nf_conntrack 1KB 7KB t10_alua_lu_gp_cache 0KB 3KB sd_ext_cdb 0KB 7KB scsi_sense_cache 1056KB 1060KB 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 12KB 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 bio-1 1KB 7KB pid_namespace 2KB 11KB kvm_mmu_page_header 1KB 3KB rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB UNIX 121KB 123KB tcp_bind_bucket 221KB 228KB inet_peer_cache 0KB 4KB ip_fib_trie 23KB 31KB ip_fib_alias 110KB 130KB ip_dst_cache 4KB 28KB RAW 21004KB 21007KB UDP 5931KB 5933KB TCP 50KB 56KB hugetlbfs_inode_cache 3KB 15KB fscache_cookie_jar 1KB 7KB eventpoll_pwq 13KB 39KB eventpoll_epi 24KB 59KB inotify_inode_mark 5KB 15KB request_queue 192KB 192KB blkdev_requests 1KB 3KB blkdev_ioc 46KB 46KB bio-0 10648KB 10676KB biovec-max 3861KB 3861KB biovec-64 6654KB 6654KB biovec-16 2372KB 2373KB bio_integrity_payload 1KB 8KB khugepaged_mm_slot 243KB 244KB uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB skbuff_fclone_cache 36KB 37KB skbuff_head_cache 6685KB 7878KB configfs_dir_cache 3KB 7KB file_lock_cache 2KB 7KB file_lock_ctx 9KB 11KB fsnotify_mark_connector 2KB 7KB net_namespace 30590KB 30590KB shmem_inode_cache 7840KB 7971KB task_delay_info 1620KB 2379KB taskstats 5KB 30KB proc_dir_entry 158275KB 158276KB pde_opener 3KB 7KB seq_file 119KB 122KB sigqueue 152KB 263KB kernfs_node_cache 440658KB 440669KB mnt_cache 238KB 248KB filp 6213KB 6555KB names_cache 90270KB 90270KB iint_cache 22KB 59KB key_jar 5KB 15KB uts_namespace 4KB 11KB nsproxy 303KB 308KB vm_area_struct 37675KB 37693KB mm_struct 7309KB 7312KB fs_cache 2206KB 3176KB files_cache 8032KB 10755KB signal_cache 12234KB 17810KB sighand_cache 10415KB 10482KB task_struct 53151KB 53170KB cred_jar 4998KB 6740KB anon_vma_chain 40684KB 40701KB anon_vma 11182KB 11277KB pid 406KB 920KB Acpi-Operand 156KB 198KB Acpi-ParseExt 9KB 11KB Acpi-Parse 41KB 47KB Acpi-State 52KB 63KB Acpi-Namespace 20KB 27KB numa_policy 0KB 3KB debug_objects_cache 34848KB 34852KB trace_event_file 297KB 298KB ftrace_event_field 398KB 401KB pool_workqueue 3619KB 3620KB page->ptl 7541KB 7542KB kmalloc-2097152 2050KB 2050KB kmalloc-524288 2056KB 2056KB kmalloc-262144 1290KB 1290KB kmalloc-131072 1690KB 1690KB kmalloc-65536 1848KB 2178KB kmalloc-32768 191433KB 191433KB kmalloc-16384 58641KB 58641KB kmalloc-8192 133526KB 133526KB kmalloc-4096 580796KB 580800KB kmalloc-2048 480026KB 480037KB kmalloc-1024 190667KB 190716KB kmalloc-512 151840KB 163507KB kmalloc-256 98517KB 99667KB kmalloc-128 50553KB 50644KB kmalloc-96 13573KB 14236KB kmalloc-64 34828KB 35900KB kmalloc-32 30621KB 31563KB kmalloc-192 67098KB 68688KB kmem_cache 178KB 180KB Out of memory (oom_kill_allocating_task): Kill process 2892 (syz-executor.0) score 0 or sacrifice child Killed process 2892 (syz-executor.0) total-vm:57196kB, anon-rss:400kB, file-rss:14012kB, shmem-rss:0kB oom_reaper: reaped process 2892 (syz-executor.0), now anon-rss:0kB, file-rss:14012kB, shmem-rss:0kB (journald) invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 (journald) cpuset=/ mems_allowed=0-1 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 CPU: 1 PID: 2936 Comm: (journald) Not tainted 4.19.211-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 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 out_of_memory mm/oom_kill.c:1114 [inline] out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 __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 Code: Bad RIP value. RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 __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 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 getname_flags+0xce/0x590 fs/namei.c:140 do_sys_open+0x26c/0x520 fs/open.c:1079 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 INFO: task syz-executor.0:13094 blocked for more than 140 seconds. entry_SYSCALL_64_after_hwframe+0x49/0xbe Not tainted 4.19.211-syzkaller #0 RIP: 0033:0x7f60eb1989b1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Code: Bad RIP value. syz-executor.0 D26888 13094 12948 0x00000000 RSP: 002b:00007ffed9f02b68 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 Call Trace: RAX: ffffffffffffffda RBX: 00007ffed9f02c30 RCX: 00007f60eb1989b1 RDX: 0000000000000009 RSI: 0000000000090800 RDI: 00007f60ec8f8f87 RBP: 00007ffed9f02d90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000202 R12: 0000000000000009 R13: 00007ffed9f02bd0 R14: 000055a7761c35a0 R15: 00007ffed9f02e70 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 Mem-Info: active_anon:299535 inactive_anon:10838 isolated_anon:0 active_file:84 inactive_file:150 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:48762 slab_unreclaimable:1111093 mapped:14717 shmem:13323 pagetables:63284 bounce:0 free:27281 free_pcp:277 free_cma:0 Node 0 active_anon:1152176kB inactive_anon:43332kB active_file:148kB inactive_file:208kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:47632kB dirty:0kB writeback:0kB shmem:53248kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 591872kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 1 active_anon:45964kB inactive_anon:20kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:10736kB dirty:0kB writeback:0kB shmem:44kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes schedule+0x8d/0x1b0 kernel/sched/core.c:3561 Node 0 DMA free:10980kB min:204kB low:252kB high:300kB active_anon:4172kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:32kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 vti_init_net+0x2a/0x370 net/ipv4/ip_vti.c:520 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 lowmem_reserve[]: 0 2693 2695 2695 2695 Node 0 DMA32 free:45716kB min:35996kB low:44992kB high:53988kB active_anon:1148004kB inactive_anon:43328kB active_file:404kB inactive_file:644kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:37824kB pagetables:64312kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: 0 0 1 1 1 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 Node 0 Normal free:4kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:53816kB min:53876kB low:67344kB high:80812kB active_anon:45964kB inactive_anon:20kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:136160kB pagetables:188792kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 9*4kB (UME) 10*8kB (UM) 5*16kB (UME) 3*32kB (UE) 1*64kB (E) 3*128kB (UME) 2*256kB (ME) 3*512kB (UME) 2*1024kB (ME) 1*2048kB (E) 1*4096kB (M) = 10980kB Node 0 DMA32: 2028*4kB (UME) 1403*8kB (UME) 795*16kB (UME) 349*32kB (UME) 2*64kB (UM) 0*128kB 1*256kB (U) 0*512kB 2*1024kB (U) 0*2048kB 0*4096kB = 45656kB Node 0 Normal: 1*4kB (E) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 Node 1 Normal: 1716*4kB (UME) 587*8kB (UM) 315*16kB (UM) 93*32kB (UME) 25*64kB (M) 11*128kB (UM) 2*256kB (M) 0*512kB 2*1024kB (UM) 2*2048kB (ME) 6*4096kB (M) = 53816kB entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Code: Bad RIP value. Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 13384 total pagecache pages R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 369649 pages reserved 0 pages cma reserved Unreclaimable slab info: Name Used Total pid_3 0KB 3KB pid_2 630KB 648KB batadv_tl_cache 4KB 8KB INFO: task syz-executor.0:13116 blocked for more than 140 seconds. TIPC 2634KB 2640KB Not tainted 4.19.211-syzkaller #0 SCTPv6 7214KB 7214KB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. SCTP 67KB 69KB syz-executor.0 D26888 13116 12942 0x00000000 sctp_chunk 1KB 3KB sctp_bind_bucket 0KB 3KB DCCPv6 8755KB 8760KB DCCP 8295KB 8300KB dccp_bind_bucket 0KB 4KB RXRPC 2860KB 2860KB rxrpc_call_jar 19769KB 19774KB bridge_fdb_cache 11KB 15KB fib6_nodes 152KB 188KB ip6_dst_cache 163KB 412KB RAWv6 35437KB 35444KB UDPv6 3305KB 3307KB TCPv6 5460KB 5460KB nf_conntrack 1KB 7KB t10_alua_lu_gp_cache 0KB 3KB sd_ext_cdb 0KB 7KB scsi_sense_cache 1056KB 1060KB 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 12KB 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 bio-1 1KB 7KB pid_namespace 2KB 11KB kvm_mmu_page_header 1KB 3KB rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB UNIX 120KB 123KB tcp_bind_bucket 221KB 228KB inet_peer_cache 0KB 4KB ip_fib_trie 23KB 31KB ip_fib_alias 110KB 130KB ip_dst_cache 4KB 28KB RAW 21004KB 21007KB UDP 5931KB 5933KB TCP 50KB 56KB hugetlbfs_inode_cache 3KB 15KB fscache_cookie_jar 1KB 7KB eventpoll_pwq 13KB 39KB eventpoll_epi 24KB 59KB inotify_inode_mark 5KB 15KB request_queue 192KB 192KB blkdev_requests 1KB 3KB blkdev_ioc 46KB 46KB bio-0 10738KB 10740KB biovec-max 3861KB 3861KB biovec-64 6654KB 6654KB biovec-16 2372KB 2373KB bio_integrity_payload 1KB 8KB khugepaged_mm_slot 243KB 244KB uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB skbuff_fclone_cache 36KB 37KB skbuff_head_cache 6685KB 7878KB configfs_dir_cache 3KB 7KB file_lock_cache 2KB 7KB file_lock_ctx 9KB 11KB fsnotify_mark_connector 2KB 7KB net_namespace 30590KB 30590KB shmem_inode_cache 7840KB 7971KB task_delay_info 1620KB 2379KB taskstats 5KB 30KB proc_dir_entry 158279KB 158280KB pde_opener 2KB 7KB seq_file 119KB 122KB sigqueue 147KB 263KB kernfs_node_cache 440658KB 440669KB mnt_cache 238KB 248KB filp 6213KB 6555KB names_cache 90270KB 90270KB iint_cache 22KB 59KB key_jar 5KB 15KB uts_namespace 4KB 11KB nsproxy 303KB 308KB vm_area_struct 37675KB 37693KB mm_struct 7309KB 7312KB fs_cache 2206KB 3176KB files_cache 8032KB 10755KB signal_cache 12234KB 17810KB sighand_cache 10415KB 10482KB task_struct 53151KB 53170KB cred_jar 4998KB 6740KB anon_vma_chain 40684KB 40701KB anon_vma 11182KB 11277KB pid 406KB 920KB Acpi-Operand 156KB 198KB Acpi-ParseExt 9KB 11KB Acpi-Parse 41KB 47KB Acpi-State 52KB 63KB Acpi-Namespace 20KB 27KB numa_policy 0KB 3KB debug_objects_cache 34848KB 34852KB trace_event_file 297KB 298KB ftrace_event_field 398KB 401KB pool_workqueue 3619KB 3620KB page->ptl 7541KB 7542KB kmalloc-2097152 2050KB 2050KB kmalloc-524288 2056KB 2056KB kmalloc-262144 1290KB 1290KB kmalloc-131072 1690KB 1690KB kmalloc-65536 1848KB 2178KB kmalloc-32768 191433KB 191433KB kmalloc-16384 58641KB 58641KB kmalloc-8192 133526KB 133526KB kmalloc-4096 580805KB 580809KB kmalloc-2048 480037KB 480043KB kmalloc-1024 190698KB 190748KB kmalloc-512 151843KB 163511KB kmalloc-256 98525KB 99675KB kmalloc-128 50557KB 50648KB kmalloc-96 13573KB 14236KB kmalloc-64 34832KB 35904KB kmalloc-32 30621KB 31563KB kmalloc-192 67098KB 68688KB kmem_cache 178KB 180KB Out of memory (oom_kill_allocating_task): Kill process 2936 ((journald)) score 0 or sacrifice child Killed process 2936 ((journald)) total-vm:139500kB, anon-rss:2004kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2936 ((journald)), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB Call Trace: syz-executor.0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=1000 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 syz-executor.0 cpuset=/ mems_allowed=0-1 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 vti_init_net+0x2a/0x370 net/ipv4/ip_vti.c:520 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 Code: Bad RIP value. RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 INFO: task syz-executor.0:13117 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D26792 13117 12822 0x00000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 Code: Bad RIP value. RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 INFO: task syz-executor.0:13313 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D26792 13313 13094 0x00000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 Code: Bad RIP value. RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 INFO: task syz-executor.0:13403 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D26784 13403 12937 0x00000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 Code: Bad RIP value. RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 INFO: task syz-executor.0:13404 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D26888 13404 13116 0x00000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 Code: Bad RIP value. RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 INFO: task syz-executor.0:13405 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D26888 13405 13082 0x00000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 Code: Bad RIP value. RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 INFO: task syz-executor.0:13410 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D26792 13410 13096 0x00000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 Code: Bad RIP value. RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 INFO: task syz-executor.0:13469 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D26888 13469 13118 0x00000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 Code: Bad RIP value. RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by systemd/1: #0: 0000000076f284e3 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #0: 0000000076f284e3 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #0: 0000000076f284e3 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #0: 0000000076f284e3 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #0: 0000000076f284e3 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #0: 0000000076f284e3 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 1 lock held by khungtaskd/1566: #0: 00000000f0a83368 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 3 locks held by rs:main Q:Reg/7812: #0: 0000000099840af8 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341 #1: 00000000d91cc75f (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378 #2: 0000000076f284e3 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #2: 0000000076f284e3 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #2: 0000000076f284e3 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #2: 0000000076f284e3 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #2: 0000000076f284e3 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #2: 0000000076f284e3 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 4 locks held by kworker/u4:5/8859: #0: 000000000fb79561 ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000ed081374 (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521 #3: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 1 lock held by syz-executor.2/32048: #0: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: tun_detach drivers/net/tun.c:759 [inline] #0: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: tun_chr_close+0x3a/0x180 drivers/net/tun.c:3323 3 locks held by kworker/0:3/935: #0: 000000001609f574 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000a02e7f2b ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236 1 lock held by syz-executor.4/8050: #0: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 2 locks held by syz-executor.0/12822: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/12857: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/12864: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/12937: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/12942: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/12946: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/12948: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13081: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13082: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/13094: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 CPU: 1 PID: 22074 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 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 2 locks held by syz-executor.0/13096: oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956 #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 out_of_memory mm/oom_kill.c:1114 [inline] out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 __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 2 locks held by syz-executor.0/13101: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/13116: __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 #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc_trace+0x1f1/0x380 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] kobject_uevent_env+0x236/0x1480 lib/kobject_uevent.c:522 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 rx_queue_add_kobject net/core/net-sysfs.c:948 [inline] net_rx_queue_update_kobjects+0xf2/0x450 net/core/net-sysfs.c:970 2 locks held by syz-executor.0/13117: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 register_queue_kobjects net/core/net-sysfs.c:1587 [inline] netdev_register_kobject+0x279/0x430 net/core/net-sysfs.c:1810 register_netdevice+0xb46/0x10f0 net/core/dev.c:8730 register_netdev+0x2d/0x50 net/core/dev.c:8859 vti6_init_net+0x4d1/0x7c0 net/ipv6/ip6_vti.c:1152 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9413c71e99 Code: Bad RIP value. 2 locks held by syz-executor.0/13118: RSP: 002b:00007f94125c6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f9413d85030 RCX: 00007f9413c71e99 RDX: 0000000020000380 RSI: 0000000020000980 RDI: 0000000040000000 RBP: 00007f9413ccbff1 R08: 0000000020000a80 R09: 0000000000000000 R10: 0000000020000500 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a9357df R14: 00007f94125c6300 R15: 0000000000022000 Mem-Info: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 active_anon:299510 inactive_anon:10838 isolated_anon:0 active_file:0 inactive_file:0 isolated_file:26 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:48762 slab_unreclaimable:1111118 mapped:14592 shmem:13323 pagetables:63284 bounce:0 free:27362 free_pcp:424 free_cma:0 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13313: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/13337: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/13403: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/13404: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/13405: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/13406: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13407: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13408: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13409: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13410: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/13411: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13430: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13435: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13446: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/13469: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Node 0 active_anon:1152076kB inactive_anon:43332kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:47632kB dirty:0kB writeback:0kB shmem:53248kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 591872kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes 2 locks held by syz-executor.0/13682: Node 1 active_anon:45964kB inactive_anon:20kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:10736kB dirty:0kB writeback:0kB shmem:44kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/13729: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Node 0 DMA free:10980kB min:204kB low:252kB high:300kB active_anon:4172kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:32kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 2 locks held by syz-executor.0/13836: lowmem_reserve[]: 0 2693 2695 2695 2695 #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 0 DMA32 free:44884kB min:35996kB low:44992kB high:53988kB active_anon:1148004kB inactive_anon:43328kB active_file:404kB inactive_file:104kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:37824kB pagetables:64312kB bounce:0kB free_pcp:1688kB local_pcp:1428kB free_cma:0kB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 lowmem_reserve[]: 0 0 1 1 1 2 locks held by syz-executor.0/13985: Node 0 Normal free:4kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 lowmem_reserve[]: 0 0 0 0 0 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Node 1 Normal free:53816kB min:53876kB low:67344kB high:80812kB active_anon:45964kB inactive_anon:20kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:136128kB pagetables:188792kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 2 locks held by syz-executor.0/14023: lowmem_reserve[]: 0 0 0 0 0 #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 0 DMA: 9*4kB (UME) 10*8kB (UM) 5*16kB (UME) 3*32kB (UE) 1*64kB (E) 3*128kB (UME) 2*256kB (ME) 3*512kB (UME) 2*1024kB (ME) 1*2048kB (E) 1*4096kB (M) = 10980kB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Node 0 DMA32: 1927*4kB (UME) 1401*8kB (ME) 792*16kB (ME) 347*32kB (UME) 2*64kB (UM) 0*128kB 0*256kB 0*512kB 2*1024kB (U) 0*2048kB 0*4096kB = 44868kB 2 locks held by syz-executor.0/14042: Node 0 Normal: 1*4kB (E) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 1 Normal: 1716*4kB (UME) 587*8kB (UM) 315*16kB (UM) 94*32kB (UME) 25*64kB (M) 11*128kB (UM) 2*256kB (M) 0*512kB 2*1024kB (UM) 2*2048kB (ME) 6*4096kB (M) = 53848kB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB 2 locks held by syz-executor.0/14045: Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 2 locks held by syz-executor.0/14050: 13407 total pagecache pages #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 369649 pages reserved 0 pages cma reserved Unreclaimable slab info: Name Used Total pid_3 0KB 3KB pid_2 630KB 648KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 batadv_tl_cache 4KB 8KB 2 locks held by syz-executor.0/14069: TIPC 2634KB 2640KB SCTPv6 7214KB 7214KB SCTP 67KB 69KB sctp_chunk 1KB 3KB sctp_bind_bucket 0KB 3KB DCCPv6 8755KB 8760KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 DCCP 8295KB 8300KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 dccp_bind_bucket 0KB 4KB RXRPC 2856KB 2860KB rxrpc_call_jar 19767KB 19774KB bridge_fdb_cache 11KB 15KB fib6_nodes 152KB 188KB ip6_dst_cache 160KB 412KB RAWv6 35437KB 35444KB 2 locks held by syz-executor.0/14081: UDPv6 3305KB 3307KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 TCPv6 5457KB 5460KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 nf_conntrack 1KB 7KB t10_alua_lu_gp_cache 0KB 3KB sd_ext_cdb 0KB 7KB 2 locks held by syz-executor.0/14114: scsi_sense_cache 1056KB 1060KB virtio_scsi_cmd 16KB 16KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 sgpool-128 8KB 8KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 sgpool-64 4KB 12KB 2 locks held by syz-executor.0/14115: sgpool-32 2KB 15KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 sgpool-16 1KB 7KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 sgpool-8 0KB 7KB 2 locks held by syz-executor.0/14133: mqueue_inode_cache 12KB 22KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 bio_post_read_ctx 14KB 15KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 bio-2 14KB 15KB 2 locks held by syz-executor.0/14138: jfs_mp 7KB 7KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 cifs_small_rq 15KB 16KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 cifs_request 67KB 67KB 2 locks held by syz-executor.0/14149: cifs_mpx_ids 0KB 7KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 nfs_commit_data 3KB 14KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 nfs_write_data 34KB 44KB 2 locks held by syz-executor.0/14150: ext4_system_zone 1KB 7KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 bio-1 1KB 7KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 pid_namespace 2KB 11KB 2 locks held by syz-executor.0/14151: kvm_mmu_page_header 1KB 3KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB UNIX 118KB 123KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 tcp_bind_bucket 220KB 228KB 2 locks held by syz-executor.0/14159: inet_peer_cache 0KB 4KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 ip_fib_trie 23KB 31KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 ip_fib_alias 110KB 130KB 2 locks held by syz-executor.0/14137: ip_dst_cache 4KB 28KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 RAW 21004KB 21007KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 UDP 5931KB 5933KB 2 locks held by syz-executor.0/14181: TCP 50KB 56KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 hugetlbfs_inode_cache 3KB 15KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 fscache_cookie_jar 1KB 7KB 2 locks held by syz-executor.0/14223: eventpoll_pwq 12KB 39KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 eventpoll_epi 23KB 59KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 inotify_inode_mark 5KB 15KB 2 locks held by syz-executor.0/14224: request_queue 192KB 192KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 blkdev_requests 1KB 3KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 blkdev_ioc 45KB 46KB 2 locks held by syz-executor.0/14233: bio-0 10858KB 10860KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 biovec-max 3861KB 3861KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 biovec-64 6654KB 6654KB 2 locks held by syz-executor.0/14234: biovec-16 2402KB 2403KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 bio_integrity_payload 1KB 8KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 khugepaged_mm_slot 243KB 244KB uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB skbuff_fclone_cache 33KB 37KB skbuff_head_cache 6727KB 7878KB configfs_dir_cache 3KB 7KB file_lock_cache 2KB 7KB file_lock_ctx 9KB 11KB fsnotify_mark_connector 2KB 7KB net_namespace 30590KB 30590KB shmem_inode_cache 7840KB 7971KB task_delay_info 1620KB 2379KB taskstats 5KB 30KB proc_dir_entry 158277KB 158280KB pde_opener 2KB 7KB seq_file 119KB 122KB sigqueue 141KB 263KB kernfs_node_cache 440658KB 440669KB mnt_cache 238KB 248KB filp 6213KB 6555KB names_cache 90274KB 90274KB iint_cache 21KB 59KB key_jar 5KB 15KB uts_namespace 4KB 11KB nsproxy 303KB 308KB vm_area_struct 37675KB 37693KB mm_struct 7309KB 7312KB fs_cache 2206KB 3176KB 2 locks held by syz-executor.0/14235: files_cache 8032KB 10755KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 signal_cache 12234KB 17810KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 sighand_cache 10415KB 10482KB 2 locks held by syz-executor.0/14236: task_struct 53081KB 53113KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 cred_jar 4998KB 6740KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/14237: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/14238: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/14265: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/14266: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/14319: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/14392: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/14491: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/14684: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/14887: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/14888: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/14927: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/14932: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/14965: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/14986: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/15018: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/15036: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/15073: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/15254: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/15255: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/15256: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/15258: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/15267: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 anon_vma_chain 40684KB 40701KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 anon_vma 11182KB 11277KB 2 locks held by syz-executor.0/15306: pid 406KB 920KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Acpi-Operand 156KB 198KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/15342: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/15361: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/15403: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/15412: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/15435: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/15446: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.0/15447: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/15450: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Acpi-ParseExt 9KB 11KB 2 locks held by syz-executor.0/15463: Acpi-Parse 41KB 47KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Acpi-State 52KB 63KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 Acpi-Namespace 20KB 27KB 2 locks held by syz-executor.0/15476: numa_policy 0KB 3KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 debug_objects_cache 34848KB 34852KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 trace_event_file 297KB 298KB 2 locks held by syz-executor.0/15489: ftrace_event_field 398KB 401KB pool_workqueue 3619KB 3620KB page->ptl 7541KB 7542KB kmalloc-2097152 2050KB 2050KB kmalloc-524288 2056KB 2056KB kmalloc-262144 1290KB 1290KB kmalloc-131072 1690KB 1690KB kmalloc-65536 1848KB 2178KB kmalloc-32768 191433KB 191433KB kmalloc-16384 58641KB 58641KB kmalloc-8192 133526KB 133526KB kmalloc-4096 580766KB 580779KB kmalloc-2048 480043KB 480043KB kmalloc-1024 190806KB 190850KB kmalloc-512 151907KB 163575KB kmalloc-256 98540KB 99690KB kmalloc-128 50557KB 50648KB kmalloc-96 13573KB 14236KB kmalloc-64 34836KB 35908KB kmalloc-32 30629KB 31570KB kmalloc-192 67098KB 68688KB kmem_cache 178KB 180KB Out of memory (oom_kill_allocating_task): Kill process 22074 (syz-executor.0) score 0 or sacrifice child Killed process 30794 (syz-executor.0) total-vm:57196kB, anon-rss:400kB, file-rss:14080kB, shmem-rss:0kB oom_reaper: reaped process 30794 (syz-executor.0), now anon-rss:0kB, file-rss:14080kB, shmem-rss:0kB kworker/1:1 invoked oom-killer: gfp_mask=0x6142c0(GFP_KERNEL|__GFP_NOWARN|__GFP_COMP|__GFP_NOMEMALLOC), nodemask=(null), order=1, oom_score_adj=0 #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kworker/1:1 cpuset=/ mems_allowed=0-1 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 CPU: 1 PID: 32750 Comm: kworker/1:1 Not tainted 4.19.211-syzkaller #0 2 locks held by syz-executor.0/15521: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events send_dm_alert 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 #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956 out_of_memory mm/oom_kill.c:1132 [inline] out_of_memory+0x34d/0x1390 mm/oom_kill.c:1064 2 locks held by syz-executor.0/15530: __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 slab_alloc_node mm/slab.c:3332 [inline] kmem_cache_alloc_node_trace+0xec/0x3b0 mm/slab.c:3666 #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] nlmsg_new include/net/netlink.h:511 [inline] genlmsg_new include/net/genetlink.h:346 [inline] reset_per_cpu_data+0x27/0x230 net/core/drop_monitor.c:84 send_dm_alert+0x19/0xe0 net/core/drop_monitor.c:135 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Mem-Info: 2 locks held by syz-executor.0/15540: active_anon:299492 inactive_anon:10838 isolated_anon:0 active_file:12 inactive_file:6 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:48761 slab_unreclaimable:1111128 mapped:14605 shmem:13323 pagetables:63250 bounce:0 free:27372 free_pcp:498 free_cma:0 #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 0 active_anon:1152004kB inactive_anon:43332kB active_file:52kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:47684kB dirty:36kB writeback:0kB shmem:53248kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 591872kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no systemd[1]: Starting Journal Service... Node 1 active_anon:45964kB inactive_anon:20kB active_file:0kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:10736kB dirty:0kB writeback:0kB shmem:44kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 Node 0 DMA free:10980kB min:204kB low:252kB high:300kB active_anon:4172kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:32kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 2 locks held by syz-executor.0/15565: lowmem_reserve[]: 0 2693 2695 2695 2695 #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 0 DMA32 free:43624kB min:35996kB low:44992kB high:53988kB active_anon:1147832kB inactive_anon:43328kB active_file:624kB inactive_file:468kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:37824kB pagetables:64176kB bounce:0kB free_pcp:2528kB local_pcp:1140kB free_cma:0kB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 lowmem_reserve[]: 0 0 1 1 1 Node 0 Normal free:4kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:53848kB min:53876kB low:67344kB high:80812kB active_anon:45964kB inactive_anon:20kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:136160kB pagetables:188792kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 9*4kB (UME) 10*8kB (UM) 5*16kB (UME) 3*32kB (UE) 1*64kB (E) 3*128kB (UME) 2*256kB (ME) 3*512kB (UME) 2*1024kB (ME) 1*2048kB (E) 1*4096kB (M) = 10980kB 2 locks held by syz-executor.0/15566: Node 0 DMA32: 1655*4kB (UME) 1396*8kB (UME) 783*16kB (UME) 344*32kB (UME) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 43372kB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 0 Normal: 1*4kB (E) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 Node 1 Normal: 1716*4kB (UME) 609*8kB (UM) 306*16kB (UM) 93*32kB (UME) 25*64kB (M) 11*128kB (UM) 2*256kB (M) 0*512kB 2*1024kB (UM) 2*2048kB (ME) 6*4096kB (M) = 53848kB 2 locks held by syz-executor.0/15573: Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB 2 locks held by syz-executor.0/15582: Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 13558 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 369649 pages reserved 0 pages cma reserved Unreclaimable slab info: Name Used Total pid_3 0KB 3KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 pid_2 630KB 648KB batadv_tl_cache 4KB 8KB 2 locks held by syz-executor.0/15589: TIPC 2634KB 2640KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 SCTPv6 7214KB 7214KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 SCTP 67KB 69KB 2 locks held by syz-executor.0/15622: sctp_chunk 1KB 3KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 sctp_bind_bucket 0KB 3KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 DCCPv6 8755KB 8760KB 2 locks held by syz-executor.0/15623: DCCP 8295KB 8300KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 dccp_bind_bucket 0KB 4KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 RXRPC 2856KB 2860KB 2 locks held by syz-executor.0/15700: rxrpc_call_jar 19767KB 19774KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 bridge_fdb_cache 11KB 15KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 fib6_nodes 152KB 188KB 2 locks held by syz-executor.0/15701: ip6_dst_cache 160KB 412KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 RAWv6 35437KB 35444KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 UDPv6 3305KB 3307KB TCPv6 5457KB 5460KB nf_conntrack 1KB 7KB t10_alua_lu_gp_cache 0KB 3KB 2 locks held by syz-executor.0/15729: sd_ext_cdb 0KB 7KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 scsi_sense_cache 1056KB 1060KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 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 12KB 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 2 locks held by syz-executor.0/15730: nfs_write_data 34KB 44KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 ext4_system_zone 1KB 7KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 bio-1 1KB 7KB 2 locks held by syz-executor.0/15731: pid_namespace 2KB 11KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kvm_mmu_page_header 1KB 3KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 rpc_buffers 17KB 25KB 2 locks held by syz-executor.0/15776: rpc_tasks 2KB 7KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 UNIX 118KB 123KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 tcp_bind_bucket 220KB 228KB 2 locks held by syz-executor.0/15781: inet_peer_cache 0KB 4KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 ip_fib_trie 23KB 31KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 ip_fib_alias 110KB 130KB 2 locks held by syz-executor.0/15796: ip_dst_cache 4KB 28KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 RAW 21004KB 21007KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 UDP 5931KB 5933KB TCP 50KB 56KB hugetlbfs_inode_cache 3KB 15KB fscache_cookie_jar 1KB 7KB eventpoll_pwq 12KB 39KB eventpoll_epi 23KB 59KB inotify_inode_mark 5KB 15KB request_queue 192KB 192KB blkdev_requests 1KB 3KB blkdev_ioc 45KB 46KB bio-0 10850KB 10852KB biovec-max 3943KB 3943KB biovec-64 6559KB 6559KB biovec-16 2405KB 2415KB bio_integrity_payload 1KB 8KB khugepaged_mm_slot 243KB 244KB uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB skbuff_fclone_cache 33KB 37KB skbuff_head_cache 6820KB 7878KB configfs_dir_cache 3KB 7KB file_lock_cache 2KB 7KB file_lock_ctx 9KB 11KB fsnotify_mark_connector 2KB 7KB net_namespace 30590KB 30590KB shmem_inode_cache 7840KB 7971KB task_delay_info 1620KB 2379KB taskstats 5KB 30KB proc_dir_entry 158277KB 158280KB pde_opener 2KB 7KB seq_file 119KB 122KB sigqueue 141KB 263KB kernfs_node_cache 440658KB 440669KB mnt_cache 238KB 248KB filp 6213KB 6555KB names_cache 90295KB 90295KB iint_cache 21KB 59KB key_jar 5KB 15KB uts_namespace 4KB 11KB 2 locks held by syz-executor.0/15802: nsproxy 303KB 308KB #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 vm_area_struct 37679KB 37697KB #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 mm_struct 7310KB 7312KB 2 locks held by syz-executor.0/15803: #0: 00000000aebb80d0 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000d93b7f71 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.0/15847: