active_file:85 inactive_file:655 isolated_file:0 unevictable:458 dirty:0 writeback:0 unstable:0 slab_reclaimable:48319 slab_unreclaimable:1160069 mapped:24314 shmem:10972 pagetables:61739 bounce:0 free:26479 free_pcp:228 free_cma:0 INFO: task kworker/0:2:3609 blocked for more than 140 seconds. IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Node 0 active_anon:990272kB inactive_anon:29656kB active_file:1652kB inactive_file:2200kB unevictable:1672kB isolated(anon):0kB isolated(file):128kB mapped:97736kB dirty:0kB writeback:0kB shmem:43660kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 212992kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no kworker/0:2 D25264 3609 2 0x80000000 Workqueue: events rfkill_global_led_trigger_worker Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 Node 1 active_anon:19752kB inactive_anon:196kB active_file:0kB inactive_file:4kB unevictable:160kB isolated(anon):0kB isolated(file):0kB mapped:156kB dirty:0kB writeback:0kB shmem:228kB 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 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 Node 0 DMA free:10836kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB rfkill_global_led_trigger_worker+0x17/0x110 net/rfkill/core.c:191 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 lowmem_reserve[]: 0 2693 2695 2695 2695 Node 0 DMA32 free:42320kB min:35996kB low:44992kB high:53988kB active_anon:986176kB inactive_anon:29656kB active_file:0kB inactive_file:44kB unevictable:1672kB writepending:0kB present:3129332kB managed:2763452kB mlocked:1672kB kernel_stack:55936kB pagetables:68360kB bounce:0kB free_pcp:312kB local_pcp:124kB free_cma:0kB kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Showing all locks held in the system: 2 locks held by systemd/1: #0: 000000000b3424f4 (&p->lock){+.+.}, at: seq_read+0x6b/0x11c0 fs/seq_file.c:164 #1: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #1: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #1: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #1: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #1: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #1: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 lowmem_reserve[]: 0 0 1 1 1 1 lock held by kthreadd/2: #0: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #0: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #0: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #0: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #0: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #0: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 Node 0 Normal free:8kB 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 3 locks held by kworker/u4:1/23: #0: 00000000e472ccea ((wq_completion)"cfg80211"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000001804fc75 ((work_completion)(&(&rdev->dfs_update_channels_wk)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:53828kB min:53876kB low:67344kB high:80812kB active_anon:19752kB inactive_anon:196kB active_file:0kB inactive_file:4kB unevictable:160kB writepending:0kB present:4194304kB managed:4128248kB mlocked:160kB kernel_stack:98816kB pagetables:178612kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB #2: 000000002f447a5e (rtnl_mutex){+.+.}, at: cfg80211_dfs_channels_update_work+0x98/0x5a0 net/wireless/mlme.c:777 3 locks held by kworker/u4:2/51: #0: 000000000d0f6b63 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 lowmem_reserve[]: 0 0 0 0 0 #1: 00000000d79a6882 ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 Node 0 DMA: 1*4kB (U) 2*8kB (UE) 2*16kB (UE) 1*32kB (E) 10*64kB (UE) 7*128kB (UE) 4*256kB (UE) 2*512kB (UE) 1*1024kB (E) 3*2048kB (UME) 0*4096kB = 10836kB 3 locks held by kworker/u4:3/188: #0: 0000000053b2b878 ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 Node 0 DMA32: 1065*4kB (ME) 1441*8kB (UM) 677*16kB (UME) 316*32kB (ME) 54*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 40188kB #1: 0000000034b43d55 (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB #2: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521 Node 1 Normal: 525*4kB (UME) 28*8kB (UME) 58*16kB (UME) 26*32kB (UME) 3*64kB (UME) 2*128kB (ME) 1*256kB (M) 0*512kB 0*1024kB 2*2048kB (UM) 11*4096kB (M) = 53940kB 1 lock held by khungtaskd/1570: Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB #0: 000000009d2711c9 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB 2 locks held by kswapd0/1968: 3 locks held by kworker/0:2/3609: Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11278 total pagecache pages #0: 00000000227f48a0 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 #1: 000000002e7a0e33 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 Free swap = 0kB Total swap = 0kB 2097051 pages RAM #2: 000000006d2f2876 (rfkill_global_mutex){+.+.}, at: rfkill_global_led_trigger_worker+0x17/0x110 net/rfkill/core.c:191 0 pages HighMem/MovableOnly 369649 pages reserved 0 pages cma reserved 1 lock held by syz-fuzzer/8102: Unreclaimable slab info: #0: 00000000e8c59be7 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378 Name Used Total pid_3 10KB 31KB pid_2 465KB 740KB ubi_wl_entry_slab 0KB 3KB 1 lock held by syz-fuzzer/8106: #0: 00000000e8c59be7 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378 3 locks held by kworker/u4:5/8878: batadv_tl_cache 8KB 24KB #0: 000000000d0f6b63 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 TIPC 2755KB 2760KB #1: 00000000a0cad0ac ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 rds_connection 0KB 3KB #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 SCTPv6 7538KB 7542KB 3 locks held by kworker/u4:7/9485: #0: 000000000d0f6b63 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 sctp_chunk 5KB 7KB sctp_bind_bucket 0KB 3KB DCCPv6 9135KB 9135KB #1: 0000000067b29d37 ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 DCCP 8678KB 8678KB RXRPC 2983KB 2983KB #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 rxrpc_call_jar 20655KB 20656KB bridge_fdb_cache 9KB 27KB fib6_nodes 157KB 288KB ip6_dst_cache 117KB 401KB 3 locks held by kworker/u4:8/9550: 4 locks held by kworker/u4:6/24947: RAWv6 37006KB 37010KB #0: 000000000d0f6b63 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000063c8fdf ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 UDPv6 3463KB 3465KB TCPv6 5751KB 5754KB #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 nf_conntrack 18KB 18KB t10_alua_lu_gp_cache 0KB 3KB #3: 00000000564d77ea (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #3: 00000000564d77ea (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 sd_ext_cdb 0KB 7KB scsi_sense_cache 1056KB 1060KB virtio_scsi_cmd 16KB 16KB 3 locks held by kworker/0:9/7663: sgpool-128 8KB 8KB #0: 00000000227f48a0 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 sgpool-64 4KB 12KB #1: 000000005c2fa7de (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 sgpool-32 2KB 15KB #2: 000000002f447a5e (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150 sgpool-16 1KB 7KB sgpool-8 0KB 7KB mqueue_inode_cache 156KB 277KB bio_post_read_ctx 14KB 15KB bio-2 14KB 15KB 2 locks held by (agetty)/11296: #0: 000000005379c5a5 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 0000000078e7d557 (&tty->atomic_write_lock){+.+.}, at: tty_write_lock drivers/tty/tty_io.c:886 [inline] #1: 0000000078e7d557 (&tty->atomic_write_lock){+.+.}, at: do_tty_write drivers/tty/tty_io.c:909 [inline] #1: 0000000078e7d557 (&tty->atomic_write_lock){+.+.}, at: tty_write+0x24e/0x810 drivers/tty/tty_io.c:1044 2 locks held by syz-executor.1/23956: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 jfs_mp 7KB 7KB cifs_small_rq 15KB 16KB 2 locks held by syz-executor.1/24032: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 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 70KB 73KB bio-1 1KB 7KB pid_namespace 21KB 42KB rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB UNIX 223KB 225KB tcp_bind_bucket 233KB 236KB inet_peer_cache 0KB 4KB ip_fib_trie 23KB 47KB ip_fib_alias 112KB 189KB ip_dst_cache 12KB 44KB RAW 21942KB 21945KB UDP 6196KB 6196KB TCP 120KB 123KB hugetlbfs_inode_cache 4KB 15KB 3 locks held by kworker/u4:4/24066: fscache_cookie_jar 1KB 7KB eventpoll_pwq 16KB 43KB eventpoll_epi 30KB 51KB inotify_inode_mark 4KB 15KB request_queue 139KB 139KB #0: 000000000d0f6b63 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 blkdev_requests 1KB 3KB #1: 00000000823e0589 ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 blkdev_ioc 19KB 19KB #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 bio-0 3292KB 3318KB 3 locks held by kworker/u4:9/24081: biovec-max 1641KB 1641KB #0: 000000000d0f6b63 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 biovec-64 1740KB 1740KB #1: 000000003258b91f ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 biovec-16 706KB 708KB #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #2: 00000000e9f048e5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 bio_integrity_payload 1KB 8KB 2 locks held by syz-executor.1/24123: khugepaged_mm_slot 248KB 430KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 user_namespace 2KB 11KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/24166: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/24226: audit_buffer 0KB 3KB skbuff_fclone_cache 20KB 22KB skbuff_head_cache 8929KB 9375KB configfs_dir_cache 3KB 7KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 file_lock_cache 2KB 7KB file_lock_ctx 6KB 11KB fsnotify_mark_connector 1KB 11KB net_namespace 31990KB 31990KB shmem_inode_cache 7878KB 8076KB task_delay_info 2106KB 2367KB taskstats 9KB 53KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 proc_dir_entry 165500KB 165502KB pde_opener 2KB 7KB seq_file 126KB 133KB sigqueue 131KB 354KB kernfs_node_cache 469006KB 469007KB mnt_cache 356KB 772KB filp 5417KB 6746KB names_cache 44421KB 44421KB 2 locks held by syz-executor.1/24235: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 iint_cache 40KB 47KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 key_jar 9KB 26KB 2 locks held by syz-executor.1/24240: uts_namespace 111KB 161KB nsproxy 438KB 438KB vm_area_struct 34824KB 34851KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 mm_struct 6776KB 6779KB 2 locks held by syz-executor.1/24248: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 fs_cache 2717KB 2952KB files_cache 10428KB 10841KB 2 locks held by syz-executor.1/24367: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 signal_cache 16124KB 16653KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/24369: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 sighand_cache 10214KB 10239KB 2 locks held by syz-executor.1/24373: task_struct 69405KB 69462KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 cred_jar 6381KB 6836KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 anon_vma_chain 45492KB 45509KB anon_vma 11945KB 11951KB 2 locks held by syz-executor.1/24396: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 pid 837KB 920KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/24421: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/24445: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 Acpi-Operand 156KB 198KB 2 locks held by syz-executor.1/24450: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 Acpi-ParseExt 9KB 11KB 2 locks held by syz-executor.1/24451: Acpi-Parse 41KB 47KB IPVS: ftp: loaded support on port[0] = 21 Acpi-State 52KB 63KB Acpi-Namespace 21KB 27KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 systemd[1]: Started System Logging Service. 2 locks held by syz-executor.1/24592: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 numa_policy 0KB 3KB debug_objects_cache 39044KB 39045KB 2 locks held by syz-executor.1/24593: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 trace_event_file 297KB 298KB ftrace_event_field 398KB 401KB pool_workqueue 3783KB 3784KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 page->ptl 6831KB 6838KB 2 locks held by syz-executor.1/24594: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kmalloc-4194304 0KB 8192KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/24622: kmalloc-2097152 2050KB 4100KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kmalloc-524288 2056KB 2056KB kmalloc-262144 1290KB 1290KB kmalloc-131072 2080KB 2080KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 kmalloc-65536 1848KB 2178KB 2 locks held by syz-executor.1/24675: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kmalloc-32768 202224KB 202224KB kmalloc-16384 61413KB 61413KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 kmalloc-8192 139565KB 139565KB kmalloc-4096 641894KB 641894KB kmalloc-2048 506104KB 506104KB 2 locks held by syz-executor.1/24676: kmalloc-1024 197242KB 197245KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kmalloc-512 164259KB 170583KB kmalloc-256 104612KB 105675KB kmalloc-128 53122KB 53219KB kmalloc-96 14153KB 14656KB kmalloc-64 37035KB 37740KB kmalloc-32 32391KB 32952KB kmalloc-192 71583KB 72456KB kmem_cache 178KB 183KB Out of memory (oom_kill_allocating_task): Kill process 15199 (systemd-journal) score 0 or sacrifice child Killed process 15199 (systemd-journal) total-vm:37900kB, anon-rss:448kB, file-rss:0kB, shmem-rss:0kB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/24683: oom_reaper: reaped process 15199 (systemd-journal), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/24732: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/24817: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/24828: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/24829: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/24852: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 IPVS: ftp: loaded support on port[0] = 21 2 locks held by syz-executor.1/24877: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/24878: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/24895: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/24904: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/24929: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/25031: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/25033: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kworker/u4:0 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/25034: kworker/u4:0 cpuset=/ mems_allowed=0-1 #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 CPU: 1 PID: 17909 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound call_usermodehelper_exec_work 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 2 locks held by syz-executor.1/25098: out_of_memory mm/oom_kill.c:1132 [inline] out_of_memory+0x34d/0x1390 mm/oom_kill.c:1064 #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 __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 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/25109: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] alloc_pages_node include/linux/gfp.h:523 [inline] alloc_thread_stack_node kernel/fork.c:240 [inline] dup_task_struct kernel/fork.c:811 [inline] copy_process.part.0+0x3cf/0x8260 kernel/fork.c:1753 2 locks held by syz-executor.1/25160: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 2 locks held by syz-executor.1/25161: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/25202: kernel_thread+0x2f/0x40 kernel/fork.c:2278 call_usermodehelper_exec_work kernel/umh.c:199 [inline] call_usermodehelper_exec_work+0x16d/0x260 kernel/umh.c:185 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/25203: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/25229: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Mem-Info: 2 locks held by syz-executor.1/25315: active_anon:252424 inactive_anon:7464 isolated_anon:0 active_file:16 inactive_file:28 isolated_file:18 unevictable:458 dirty:0 writeback:0 unstable:0 slab_reclaimable:48464 slab_unreclaimable:1160859 mapped:23850 shmem:10972 pagetables:61800 bounce:0 free:25956 free_pcp:407 free_cma:0 #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 Node 0 active_anon:989944kB inactive_anon:29660kB active_file:64kB inactive_file:108kB unevictable:1672kB isolated(anon):0kB isolated(file):72kB mapped:95244kB dirty:0kB writeback:0kB shmem:43660kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 212992kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 2 locks held by syz-executor.1/25316: Node 1 active_anon:19752kB inactive_anon:196kB active_file:0kB inactive_file:4kB unevictable:160kB isolated(anon):0kB isolated(file):0kB mapped:156kB dirty:0kB writeback:0kB shmem:228kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 0 DMA free:10836kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 lowmem_reserve[]: 0 2693 2695 2695 2695 Node 0 DMA32 free:40100kB min:35996kB low:44992kB high:53988kB active_anon:985848kB inactive_anon:29660kB active_file:144kB inactive_file:260kB unevictable:1672kB writepending:0kB present:3129332kB managed:2763452kB mlocked:1672kB kernel_stack:55936kB pagetables:68588kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 2 locks held by syz-executor.1/25331: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/25400: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/25493: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/25494: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/25542: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/25582: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/25603: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 lowmem_reserve[]: 0 0 1 1 1 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Node 0 Normal free:8kB 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:53888kB min:53876kB low:67344kB high:80812kB active_anon:19752kB inactive_anon:196kB active_file:0kB inactive_file:4kB unevictable:160kB writepending:0kB present:4194304kB managed:4128248kB mlocked:160kB kernel_stack:98880kB pagetables:178612kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 1*4kB (U) 2*8kB (UE) 2*16kB (UE) 1*32kB (E) 10*64kB (UE) 7*128kB (UE) 4*256kB (UE) 2*512kB (UE) 1*1024kB (E) 3*2048kB (UME) 0*4096kB = 10836kB 2 locks held by syz-executor.1/25620: Node 0 DMA32: 966*4kB (UM) 1377*8kB (UME) 636*16kB (UM) 306*32kB (UM) 52*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 38176kB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB Node 1 Normal: 556*4kB (UME) 24*8kB (ME) 23*16kB (UME) 30*32kB (UME) 5*64kB (UME) 3*128kB (UME) 1*256kB (M) 0*512kB 0*1024kB 2*2048kB (UM) 11*4096kB (M) = 53856kB 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 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 11462 total pagecache pages 0 pages in swap cache #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Swap cache stats: add 0, delete 0, find 0/0 2 locks held by syz-executor.1/25665: Free swap = 0kB Total swap = 0kB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 2097051 pages RAM #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 0 pages HighMem/MovableOnly 2 locks held by syz-executor.1/25666: 369649 pages reserved 0 pages cma reserved Unreclaimable slab info: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Name Used Total pid_3 10KB 31KB pid_2 465KB 740KB ubi_wl_entry_slab 0KB 3KB batadv_tl_cache 8KB 24KB TIPC 2755KB 2760KB rds_connection 0KB 3KB SCTPv6 7540KB 7542KB sctp_chunk 5KB 7KB sctp_bind_bucket 0KB 3KB DCCPv6 9137KB 9142KB DCCP 8680KB 8685KB RXRPC 2983KB 2983KB rxrpc_call_jar 20655KB 20656KB bridge_fdb_cache 9KB 27KB fib6_nodes 157KB 288KB ip6_dst_cache 114KB 401KB RAWv6 37027KB 37030KB UDPv6 3461KB 3465KB TCPv6 5751KB 5754KB nf_conntrack 14KB 18KB t10_alua_lu_gp_cache 0KB 3KB sd_ext_cdb 0KB 7KB scsi_sense_cache 1056KB 1060KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 virtio_scsi_cmd 16KB 16KB 2 locks held by syz-executor.1/25667: sgpool-128 8KB 8KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 sgpool-64 4KB 12KB sgpool-32 2KB 15KB sgpool-16 1KB 7KB sgpool-8 0KB 7KB mqueue_inode_cache 156KB 277KB bio_post_read_ctx 14KB 15KB bio-2 14KB 15KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 jfs_mp 7KB 7KB 2 locks held by syz-executor.1/25692: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/25693: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 cifs_small_rq 15KB 16KB 2 locks held by syz-executor.1/25699: cifs_request 67KB 67KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 cifs_mpx_ids 0KB 7KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/25710: nfs_commit_data 3KB 14KB nfs_write_data 34KB 44KB ext4_system_zone 1KB 7KB dio 70KB 73KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/25711: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 bio-1 1KB 7KB pid_namespace 21KB 42KB 2 locks held by syz-executor.1/25733: rpc_buffers 17KB 25KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 rpc_tasks 2KB 7KB UNIX 226KB 228KB tcp_bind_bucket 230KB 236KB inet_peer_cache 0KB 4KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 ip_fib_trie 23KB 47KB IPVS: ftp: loaded support on port[0] = 21 2 locks held by syz-executor.1/25778: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 IPVS: ftp: loaded support on port[0] = 21 ip_fib_alias 112KB 189KB ip_dst_cache 10KB 44KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 RAW 21954KB 21960KB 2 locks held by syz-executor.1/25794: UDP 6199KB 6203KB TCP 120KB 123KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 hugetlbfs_inode_cache 4KB 15KB fscache_cookie_jar 1KB 7KB eventpoll_pwq 14KB 43KB eventpoll_epi 26KB 51KB inotify_inode_mark 4KB 15KB request_queue 139KB 139KB blkdev_requests 1KB 3KB blkdev_ioc 19KB 19KB bio-0 3870KB 3896KB biovec-max 1848KB 1848KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 biovec-64 2156KB 2157KB 2 locks held by syz-executor.1/25811: biovec-16 800KB 802KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 bio_integrity_payload 1KB 8KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/25841: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 khugepaged_mm_slot 251KB 430KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 user_namespace 2KB 11KB 2 locks held by syz-executor.1/25981: uid_cache 0KB 4KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 dmaengine-unmap-2 0KB 3KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 audit_buffer 0KB 3KB 2 locks held by syz-executor.1/25982: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 skbuff_fclone_cache 20KB 22KB 2 locks held by syz-executor.1/26006: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 skbuff_head_cache 9022KB 9375KB configfs_dir_cache 3KB 7KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 file_lock_cache 2KB 7KB file_lock_ctx 6KB 11KB fsnotify_mark_connector 1KB 11KB 2 locks held by syz-executor.1/26013: net_namespace 32007KB 32007KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26128: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26129: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 shmem_inode_cache 7878KB 8076KB task_delay_info 2098KB 2367KB taskstats 9KB 53KB proc_dir_entry 165650KB 165652KB pde_opener 2KB 7KB seq_file 118KB 129KB sigqueue 131KB 354KB kernfs_node_cache 469486KB 469487KB mnt_cache 356KB 772KB filp 5373KB 6746KB names_cache 43048KB 43048KB iint_cache 40KB 47KB key_jar 9KB 26KB uts_namespace 111KB 161KB nsproxy 438KB 438KB vm_area_struct 34758KB 34793KB mm_struct 6779KB 6779KB fs_cache 2690KB 2952KB files_cache 10361KB 10841KB signal_cache 16042KB 16631KB sighand_cache 10230KB 10246KB task_struct 69488KB 69488KB cred_jar 6340KB 6836KB anon_vma_chain 45491KB 45513KB anon_vma 11949KB 11955KB pid 825KB 920KB Acpi-Operand 156KB 198KB Acpi-ParseExt 9KB 11KB Acpi-Parse 41KB 47KB Acpi-State 52KB 63KB Acpi-Namespace 21KB 27KB numa_policy 0KB 3KB debug_objects_cache 39121KB 39123KB trace_event_file 297KB 298KB ftrace_event_field 398KB 401KB pool_workqueue 3783KB 3784KB page->ptl 6831KB 6846KB kmalloc-4194304 0KB 8192KB kmalloc-2097152 2050KB 4100KB kmalloc-524288 2056KB 2056KB kmalloc-262144 1290KB 1290KB kmalloc-131072 2080KB 2080KB 2 locks held by syz-executor.1/26240: kmalloc-65536 1848KB 2178KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kmalloc-32768 202323KB 202323KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 kmalloc-16384 61446KB 61446KB 2 locks held by syz-executor.1/26241: kmalloc-8192 139656KB 139656KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kmalloc-4096 642217KB 642217KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 kmalloc-2048 506481KB 506481KB 2 locks held by syz-executor.1/26268: kmalloc-1024 197505KB 197505KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kmalloc-512 164418KB 170883KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 kmalloc-256 104704KB 105783KB 2 locks held by syz-executor.1/26311: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/26312: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/26329: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26330: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/26359: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26368: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/26369: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26410: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/26485: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/26520: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/26552: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/26558: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/26578: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26579: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/26689: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26718: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26757: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26766: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26775: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26798: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26813: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/26954: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27001: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27004: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27046: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27076: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27077: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27079: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27081: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27104: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27105: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27173: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27190: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27209: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27225: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27331: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27441: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27496: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27543: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27567: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27595: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27605: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27650: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27651: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 kmalloc-128 53158KB 53258KB 2 locks held by syz-executor.1/27652: kmalloc-96 14165KB 14692KB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kmalloc-64 37059KB 37780KB #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 kmalloc-32 32418KB 32992KB 2 locks held by syz-executor.1/27653: kmalloc-192 71638KB 72524KB kmem_cache 178KB 183KB Out of memory: Kill process 23251 (syz-executor.2) score 1002 or sacrifice child Killed process 23251 (syz-executor.2) total-vm:57328kB, anon-rss:420kB, file-rss:15088kB, shmem-rss:5272kB oom_reaper: reaped process 23251 (syz-executor.2), now anon-rss:0kB, file-rss:14336kB, shmem-rss:5208kB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 kworker/u4:8 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 kworker/u4:8 cpuset=/ mems_allowed=0-1 CPU: 1 PID: 9550 Comm: kworker/u4:8 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound call_usermodehelper_exec_work 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:1132 [inline] out_of_memory+0x34d/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] alloc_pages_node include/linux/gfp.h:523 [inline] alloc_thread_stack_node kernel/fork.c:240 [inline] dup_task_struct kernel/fork.c:811 [inline] copy_process.part.0+0x3cf/0x8260 kernel/fork.c:1753 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 kernel_thread+0x2f/0x40 kernel/fork.c:2278 call_usermodehelper_exec_work kernel/umh.c:199 [inline] call_usermodehelper_exec_work+0x16d/0x260 kernel/umh.c:185 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27654: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27655: Mem-Info: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 active_anon:252412 inactive_anon:6131 isolated_anon:0 active_file:25 inactive_file:25 isolated_file:32 unevictable:458 dirty:0 writeback:0 unstable:0 slab_reclaimable:48510 slab_unreclaimable:1161208 mapped:22519 shmem:9647 pagetables:61809 bounce:0 free:26879 free_pcp:369 free_cma:0 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27684: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 0 active_anon:989808kB inactive_anon:24324kB active_file:116kB inactive_file:72kB unevictable:1672kB isolated(anon):0kB isolated(file):0kB mapped:89936kB dirty:0kB writeback:0kB shmem:38324kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 212992kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27685: Node 1 active_anon:19752kB inactive_anon:196kB active_file:4kB inactive_file:0kB unevictable:160kB isolated(anon):0kB isolated(file):0kB mapped:156kB dirty:0kB writeback:0kB shmem:228kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 DMA free:10836kB min:204kB low:252kB high:300kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 lowmem_reserve[]: 0 2693 2695 2695 2695 Node 0 DMA32 free:42928kB min:35996kB low:44992kB high:53988kB active_anon:985712kB inactive_anon:24324kB active_file:196kB inactive_file:36kB unevictable:1672kB writepending:0kB present:3129332kB managed:2763452kB mlocked:1672kB kernel_stack:55904kB pagetables:68624kB bounce:0kB free_pcp:1172kB local_pcp:760kB free_cma:0kB lowmem_reserve[]: 0 0 1 1 1 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 Node 0 Normal free:8kB 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 2 locks held by syz-executor.1/27686: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 lowmem_reserve[]: 0 0 0 0 0 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27781: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27837: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27838: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27858: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27874: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27882: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27921: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27922: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27953: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27954: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27955: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/27956: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/27979: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/28128: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28199: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28218: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28237: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/28238: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/28255: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/28277: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28339: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28380: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28383: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/28407: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28453: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28506: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/28532: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/28533: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/28538: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/28543: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28580: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/28625: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28636: #0: 000000002ecf6438 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000002f447a5e (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/28651: