kcm_psock_cache 1KB 7KB RXRPC 2899KB 2899KB rxrpc_call_jar 20030KB 20034KB bridge_fdb_cache 8KB 15KB fib6_nodes 126KB 184KB INFO: task syz-executor.1:31481 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 ip6_dst_cache 91KB 382KB RAWv6 35970KB 35970KB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. UDPLITEv6 7KB 11KB UDPv6 3352KB 3352KB TCPv6 5640KB 5640KB syz-executor.1 D26744 31481 30392 0x00000000 nf_conntrack 9KB 33KB Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 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 3KB 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 mqueue_inode_cache 18KB 30KB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 bio_post_read_ctx 14KB 15KB vti_init_net+0x2a/0x370 net/ipv4/ip_vti.c:520 bio-2 14KB 15KB ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 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 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 kioctx 2KB 7KB bio-1 1KB 7KB copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 pid_namespace 31KB 34KB posix_timers_cache 1KB 3KB kvm_vcpu 0KB 23KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe UNIX 187KB 187KB RIP: 0033:0x7f2b34802e99 Code: Bad RIP value. UDP-Lite 5KB 20KB RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 tcp_bind_bucket 227KB 228KB inet_peer_cache 0KB 4KB RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 xfrm_state 10KB 12KB RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 ip_fib_trie 23KB 31KB RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 ip_fib_alias 95KB 134KB ip_dst_cache 66KB 172KB PING 6KB 7KB RAW 21330KB 21330KB UDP 6027KB 6027KB TCP 289KB 348KB hugetlbfs_inode_cache 5KB 31KB fscache_cookie_jar 1KB 11KB R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 eventpoll_pwq 15KB 35KB eventpoll_epi 28KB 47KB R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 inotify_inode_mark 6KB 27KB INFO: task syz-executor.1:32016 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 request_queue 196KB 196KB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. blkdev_requests 1KB 3KB blkdev_ioc 57KB 57KB syz-executor.1 D26928 32016 31175 0x00000000 bio-0 12805KB 12810KB biovec-max 3572KB 3572KB Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 biovec-64 7599KB 7599KB biovec-16 2802KB 2805KB bio_integrity_payload 1KB 8KB 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 khugepaged_mm_slot 219KB 225KB user_namespace 9KB 11KB uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB skbuff_fclone_cache 41KB 41KB skbuff_head_cache 8875KB 9997KB configfs_dir_cache 3KB 7KB file_lock_cache 1KB 7KB 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: 0033:0x7f2b34802e99 Code: Bad RIP value. RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 INFO: task syz-executor.1:32068 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.1 D26928 32068 30484 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: 0033:0x7f2b34802e99 Code: Bad RIP value. RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 INFO: task syz-executor.1:32087 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.1 D26560 32087 30555 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: 0033:0x7f2b34802e99 Code: Bad RIP value. RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 INFO: task syz-executor.1:32396 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.1 D26784 32396 31114 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 file_lock_ctx 9KB 15KB fsnotify_mark_connector 2KB 19KB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 net_namespace 31018KB 31018KB shmem_inode_cache 8012KB 8294KB task_delay_info 1516KB 2233KB taskstats 113KB 179KB proc_dir_entry 160510KB 160511KB pde_opener 2KB 15KB seq_file 102KB 102KB sigqueue 230KB 342KB kernfs_node_cache 457299KB 457301KB mnt_cache 382KB 416KB filp 7183KB 7282KB names_cache 89683KB 89683KB iint_cache 89KB 103KB key_jar 5KB 18KB uts_namespace 1750KB 1752KB nsproxy 335KB 339KB vm_area_struct 32122KB 32190KB mm_struct 6578KB 6578KB fs_cache 1903KB 2840KB files_cache 6945KB 9093KB signal_cache 11439KB 14784KB sighand_cache 10336KB 10364KB task_struct 49073KB 49073KB cred_jar 5055KB 6708KB anon_vma_chain 38930KB 38953KB anon_vma 10196KB 10202KB pid 479KB 796KB Acpi-Operand 156KB 202KB Acpi-ParseExt 9KB 11KB Acpi-Parse 41KB 47KB Acpi-State 52KB 63KB Acpi-Namespace 20KB 27KB numa_policy 0KB 3KB debug_objects_cache 35617KB 35620KB trace_event_file 297KB 298KB ftrace_event_field 398KB 401KB pool_workqueue 3694KB 3696KB page->ptl 6581KB 6601KB kmalloc-2097152 2050KB 2050KB kmalloc-1048576 1026KB 1026KB kmalloc-524288 2056KB 2056KB kmalloc-262144 1290KB 1290KB kmalloc-131072 1690KB 1690KB kmalloc-65536 2442KB 2772KB kmalloc-32768 196020KB 196020KB kmalloc-16384 59614KB 59614KB kmalloc-8192 135605KB 135605KB kmalloc-4096 601375KB 601375KB kmalloc-2048 489145KB 489147KB kmalloc-1024 192701KB 192701KB kmalloc-512 152655KB 162768KB kmalloc-256 100635KB 102251KB kmalloc-128 51489KB 51526KB kmalloc-96 14058KB 14976KB kmalloc-64 35440KB 36480KB kmalloc-32 31254KB 32027KB kmalloc-192 68715KB 69792KB kmem_cache 179KB 180KB Out of memory (oom_kill_allocating_task): Kill process 26419 (syz-executor.1) score 0 or sacrifice child Killed process 20905 (syz-executor.1) total-vm:57064kB, anon-rss:420kB, file-rss:14080kB, shmem-rss:0kB oom_reaper: reaped process 20905 (syz-executor.1), now anon-rss:0kB, file-rss:14080kB, shmem-rss:0kB syz-executor.1 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=1000 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 syz-executor.1 cpuset=/ mems_allowed=0-1 CPU: 0 PID: 26419 Comm: syz-executor.1 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 out_of_memory mm/oom_kill.c:1114 [inline] out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064 __alloc_pages_may_oom mm/page_alloc.c:3553 [inline] __alloc_pages_slowpath mm/page_alloc.c:4255 [inline] __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419 __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682 fallback_alloc+0x213/0x2e0 mm/slab.c:3224 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc_track_caller+0x20e/0x3c0 mm/slab.c:3742 kmemdup+0x23/0x50 mm/util.c:118 kmemdup include/linux/string.h:450 [inline] __addrconf_sysctl_register+0x9d/0x3d0 net/ipv6/addrconf.c:6586 addrconf_init_net+0x1f2/0x3c0 net/ipv6/addrconf.c:6693 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: 0033:0x7f2b34802e99 Code: Bad RIP value. RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 Mem-Info: active_anon:293593 inactive_anon:7440 isolated_anon:0 active_file:144 inactive_file:373 isolated_file:50 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:49761 slab_unreclaimable:1132528 mapped:15260 shmem:9891 pagetables:58458 bounce:0 free:25550 free_pcp:470 free_cma:0 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 Node 0 active_anon:1156340kB inactive_anon:29656kB active_file:1052kB inactive_file:2428kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:62240kB dirty:0kB writeback:0kB shmem:39448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 499712kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 Node 1 active_anon:18032kB inactive_anon:104kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 Node 0 DMA free:10860kB 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:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 lowmem_reserve[]: 0 2693 2695 2695 2695 Node 0 DMA32 free:40612kB min:35996kB low:44992kB high:53988kB active_anon:1152244kB inactive_anon:29656kB active_file:296kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:33664kB pagetables:64160kB bounce:0kB free_pcp:932kB local_pcp:136kB free_cma:0kB 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 lowmem_reserve[]: 0 0 1 1 1 RIP: 0033:0x7f2b34802e99 Node 0 Normal free:0kB 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 Code: Bad RIP value. RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 lowmem_reserve[]: 0 0 0 0 0 RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 Node 1 Normal free:53752kB min:53876kB low:67344kB high:80812kB active_anon:18032kB inactive_anon:104kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:104224kB pagetables:169672kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 INFO: task syz-executor.1:32763 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 lowmem_reserve[]: 0 0 0 0 0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Node 0 DMA: 3*4kB (UE) 4*8kB (UE) 2*16kB (U) 3*32kB (UE) 3*64kB (UE) 2*128kB (UE) 2*256kB (UE) 3*512kB (UE) 2*1024kB (UE) 3*2048kB (UME) 0*4096kB = 10860kB syz-executor.1 D26784 32763 31136 0x00000000 Call Trace: Node 0 DMA32: 794*4kB (UME) 1410*8kB (M) 631*16kB (UME) 336*32kB (UME) 52*64kB (UME) 4*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 39144kB context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 Node 1 Normal: 1080*4kB (UME) 477*8kB (UME) 365*16kB (UME) 247*32kB (UM) 40*64kB (M) 15*128kB (ME) 3*256kB (UME) 0*512kB 0*1024kB 1*2048kB (U) 6*4096kB (M) = 53752kB __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 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 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 10096 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 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_6 1KB 4KB pid_5 4KB 8KB pid_4 7KB 11KB pid_3 4KB 7KB pid_2 393KB 396KB batadv_tt_change_cache 0KB 3KB create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 batadv_tl_cache 3KB 12KB copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 ceph_osd_request 40KB 40KB ceph_msg 22KB 22KB copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 TIPC 2676KB 2677KB rds_tcp_connection 4KB 7KB RDS 3KB 7KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 rds_connection 0KB 3KB SCTPv6 7326KB 7326KB sctp_chunk 0KB 7KB sctp_bind_bucket 0KB 3KB DCCPv6 8842KB 8842KB DCCP 8400KB 8400KB L2TP/IPv6 1KB 6KB kcm_psock_cache 1KB 7KB RXRPC 2899KB 2899KB rxrpc_call_jar 20030KB 20034KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe bridge_fdb_cache 8KB 15KB RIP: 0033:0x7f2b34802e99 fib6_nodes 126KB 184KB Code: Bad RIP value. ip6_dst_cache 91KB 382KB RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAWv6 35970KB 35970KB RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 UDPLITEv6 7KB 11KB UDPv6 3352KB 3352KB RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 TCPv6 5637KB 5640KB RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 nf_conntrack 9KB 33KB t10_alua_lu_gp_cache 0KB 3KB R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 sd_ext_cdb 0KB 7KB scsi_sense_cache 1056KB 1060KB R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 INFO: task syz-executor.1:32764 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. virtio_scsi_cmd 16KB 16KB syz-executor.1 D26920 32764 31463 0x00000000 sgpool-128 8KB 8KB Call Trace: sgpool-64 4KB 12KB context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 sgpool-32 2KB 15KB sgpool-16 1KB 7KB sgpool-8 0KB 3KB mqueue_inode_cache 18KB 30KB schedule+0x8d/0x1b0 kernel/sched/core.c:3561 bio_post_read_ctx 14KB 15KB schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 bio-2 14KB 15KB jfs_mp 7KB 7KB cifs_small_rq 15KB 16KB __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 cifs_request 67KB 67KB cifs_mpx_ids 0KB 7KB nfs_commit_data 3KB 14KB nfs_write_data 34KB 44KB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 ext4_system_zone 1KB 7KB kioctx 2KB 7KB 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: 0033:0x7f2b34802e99 Code: Bad RIP value. RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 INFO: task syz-executor.1:302 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.1 D26928 302 31856 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 bio-1 1KB 7KB pid_namespace 31KB 34KB posix_timers_cache 1KB 3KB kvm_vcpu 0KB 23KB ops_init+0xb3/0x410 net/core/net_namespace.c:129 rpc_buffers 17KB 25KB setup_net+0x2c2/0x720 net/core/net_namespace.c:316 rpc_tasks 2KB 7KB UNIX 189KB 191KB copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 UDP-Lite 5KB 20KB 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 tcp_bind_bucket 224KB 228KB inet_peer_cache 0KB 4KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 xfrm_state 10KB 12KB ip_fib_trie 23KB 31KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f2b34802e99 Code: Bad RIP value. ip_fib_alias 95KB 134KB RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 ip_dst_cache 66KB 172KB PING 6KB 7KB RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 RAW 21328KB 21330KB UDP 6026KB 6027KB R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 TCP 289KB 348KB R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 hugetlbfs_inode_cache 5KB 31KB INFO: task syz-executor.1:789 blocked for more than 140 seconds. fscache_cookie_jar 1KB 11KB eventpoll_pwq 15KB 35KB eventpoll_epi 28KB 47KB inotify_inode_mark 6KB 27KB Not tainted 4.19.211-syzkaller #0 request_queue 196KB 196KB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. blkdev_requests 1KB 3KB blkdev_ioc 57KB 57KB bio-0 13210KB 13215KB syz-executor.1 D26888 789 31727 0x00000000 biovec-max 3572KB 3572KB biovec-64 7599KB 7599KB biovec-16 2896KB 2898KB Call Trace: bio_integrity_payload 1KB 8KB khugepaged_mm_slot 219KB 225KB user_namespace 9KB 11KB context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB skbuff_fclone_cache 41KB 41KB skbuff_head_cache 8875KB 9997KB schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 configfs_dir_cache 3KB 7KB file_lock_cache 1KB 7KB __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 file_lock_ctx 9KB 15KB fsnotify_mark_connector 2KB 19KB net_namespace 31018KB 31018KB 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 shmem_inode_cache 8012KB 8294KB task_delay_info 1510KB 2233KB 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 taskstats 113KB 179KB proc_dir_entry 160510KB 160511KB pde_opener 2KB 15KB seq_file 101KB 102KB sigqueue 243KB 342KB kernfs_node_cache 457299KB 457301KB IPVS: ftp: loaded support on port[0] = 21 mnt_cache 382KB 416KB filp 7183KB 7282KB names_cache 87788KB 87830KB iint_cache 89KB 103KB key_jar 5KB 18KB uts_namespace 1750KB 1752KB nsproxy 335KB 339KB vm_area_struct 32122KB 32190KB mm_struct 6578KB 6578KB fs_cache 1879KB 2840KB files_cache 6904KB 9045KB signal_cache 11439KB 14784KB sighand_cache 10336KB 10364KB task_struct 49079KB 49079KB cred_jar 5016KB 6708KB anon_vma_chain 38930KB 38953KB anon_vma 10196KB 10202KB pid 467KB 796KB Acpi-Operand 156KB 202KB Acpi-ParseExt 9KB 11KB Acpi-Parse 41KB 47KB Acpi-State 52KB 63KB Acpi-Namespace 20KB 27KB numa_policy 0KB 3KB debug_objects_cache 35621KB 35624KB trace_event_file 297KB 298KB ftrace_event_field 398KB 401KB pool_workqueue 3692KB 3696KB page->ptl 6581KB 6601KB kmalloc-2097152 2050KB 2050KB kmalloc-1048576 1026KB 1026KB kmalloc-524288 2056KB 2056KB kmalloc-262144 1290KB 1290KB kmalloc-131072 1690KB 1690KB kmalloc-65536 2442KB 2772KB kmalloc-32768 196053KB 196053KB kmalloc-16384 59614KB 59614KB kmalloc-8192 135638KB 135638KB kmalloc-4096 601413KB 601413KB kmalloc-2048 489198KB 489198KB kmalloc-1024 192772KB 192772KB kmalloc-512 152681KB 162795KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f2b34802e99 Code: Bad RIP value. RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 INFO: task syz-executor.1:2110 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.1 D26736 2110 32396 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 kmalloc-256 100683KB 102300KB 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 kmalloc-128 51506KB 51537KB kmalloc-96 14058KB 14976KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 kmalloc-64 35456KB 36496KB kmalloc-32 31271KB 32043KB kmalloc-192 68745KB 69816KB kmem_cache 179KB 180KB Out of memory (oom_kill_allocating_task): Kill process 26419 (syz-executor.1) score 0 or sacrifice child Killed process 26419 (syz-executor.1) total-vm:57064kB, anon-rss:420kB, file-rss:13828kB, shmem-rss:0kB oom_reaper: reaped process 26419 (syz-executor.1), now anon-rss:0kB, file-rss:13828kB, shmem-rss:0kB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f2b34802e99 Code: Bad RIP value. RSP: 002b:00007f2b33157168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f2b34916030 RCX: 00007f2b34802e99 RDX: 0000000020000440 RSI: 0000000020000700 RDI: 0000000044200000 RBP: 00007f2b3485cff1 R08: 00000000200003c0 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf0343bef R14: 00007f2b33157300 R15: 0000000000022000 Showing all locks held in the system: 3 locks held by systemd/1: systemd-timesyn invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 1 lock held by khungtaskd/1569: #0: 0000000075e45e71 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 systemd-timesyn cpuset=/ mems_allowed=0-1 CPU: 1 PID: 6154 Comm: systemd-timesyn 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 out_of_memory mm/oom_kill.c:1114 [inline] out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064 __alloc_pages_may_oom mm/page_alloc.c:3553 [inline] __alloc_pages_slowpath mm/page_alloc.c:4255 [inline] __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419 1 lock held by kswapd0/1967: __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682 fallback_alloc+0x213/0x2e0 mm/slab.c:3224 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557 getname_kernel+0x4e/0x370 fs/namei.c:220 kern_path+0x1b/0x40 fs/namei.c:2435 unix_find_other+0xd1/0x590 net/unix/af_unix.c:955 unix_dgram_sendmsg+0x8e5/0x12c0 net/unix/af_unix.c:1743 #0: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __fs_reclaim_acquire+0x0/0x30 mm/page_alloc.c:3459 1 lock held by systemd-udevd/4696: #0: 0000000093dbadf5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #0: 0000000093dbadf5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #0: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #0: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #0: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #0: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 3 locks held by systemd-timesyn/6154: 3 locks held by syz-fuzzer/8082: #0: 0000000071d475bb (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341 #1: 00000000ebc33ff8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 3 locks held by syz-fuzzer/8083: entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ffb26251eb0 Code: Bad RIP value. #0: 0000000071d475bb (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341 RSP: 002b:00007fff7abc2420 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007ffb26251eb0 RDX: 0000000000004000 RSI: 00007fff7abc2480 RDI: 000000000000000d RBP: 00007fff7abc2480 R08: 0000000000000000 R09: 000000000000000d R10: 00007fff7abc2500 R11: 0000000000000293 R12: 0000000000004000 R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff7abc2480 Mem-Info: active_anon:293630 inactive_anon:7440 isolated_anon:0 active_file:22 inactive_file:93 isolated_file:0 unevictable:0 dirty:0 writeback:4 unstable:0 slab_reclaimable:49801 slab_unreclaimable:1132420 mapped:14906 shmem:9891 pagetables:58482 bounce:0 free:26312 free_pcp:143 free_cma:0 #1: 0000000075e45e71 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 0000000075e45e71 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 #2: 0000000007292dbf (&p->pi_lock){-.-.}, at: try_to_wake_up+0x7b/0x1050 kernel/sched/core.c:1961 3 locks held by syz-fuzzer/8089: #0: 0000000071d475bb (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341 #1: 00000000ebc33ff8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378 #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 4 locks held by kworker/u4:8/9482: Node 0 active_anon:1156436kB inactive_anon:29656kB active_file:52kB inactive_file:392kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:59580kB dirty:16kB writeback:4kB shmem:39448kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 499712kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no #0: 00000000170788df ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000864b182c (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000307a7237 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521 #3: 0000000033a98263 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x719/0xab0 net/core/dev.c:9005 3 locks held by kworker/u4:9/15846: #0: 000000002a95c283 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000a73751cc ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline] #2: 0000000093dbadf5 (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419 Node 1 active_anon:18048kB inactive_anon:104kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes 4 locks held by kworker/u4:10/15849: 2 locks held by syz-executor.1/30183: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Node 0 DMA free:10860kB 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:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30218: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30246: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/30293: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 lowmem_reserve[]: 0 2693 2695 2695 2695 Node 0 DMA32 free:39948kB min:35996kB low:44992kB high:53988kB active_anon:1152340kB inactive_anon:29656kB active_file:312kB inactive_file:0kB unevictable:0kB writepending:20kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:33632kB pagetables:64312kB bounce:0kB free_pcp:68kB local_pcp:0kB free_cma:0kB 2 locks held by syz-executor.1/30348: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30380: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 lowmem_reserve[]: 0 0 1 1 1 Node 0 Normal free:0kB 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:53852kB min:53876kB low:67344kB high:80812kB active_anon:18048kB inactive_anon:104kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:4kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:104320kB pagetables:169680kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 3*4kB (UE) 4*8kB (UE) 2*16kB (U) 3*32kB (UE) 3*64kB (UE) 2*128kB (UE) 2*256kB (UE) 3*512kB (UE) 2*1024kB (UE) 3*2048kB (UME) 0*4096kB = 10860kB Node 0 DMA32: 1127*4kB (UME) 1418*8kB (M) 625*16kB (UME) 324*32kB (UME) 48*64kB (UME) 6*128kB (UE) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 40060kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 1071*4kB (UME) 479*8kB (UME) 382*16kB (UME) 243*32kB (UM) 40*64kB (M) 15*128kB (ME) 3*256kB (UME) 0*512kB 0*1024kB 1*2048kB (U) 6*4096kB (M) = 53876kB 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 9945 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Total swap = 0kB 2 locks held by syz-executor.1/30392: 2097051 pages RAM #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 0 pages HighMem/MovableOnly #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30484: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 369649 pages reserved #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 0 pages cma reserved 2 locks held by syz-executor.1/30546: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 Unreclaimable slab info: #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Name Used Total pid_6 1KB 4KB 2 locks held by syz-executor.1/30555: pid_5 4KB 8KB #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 pid_4 7KB 11KB pid_3 4KB 7KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30556: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 pid_2 393KB 396KB batadv_tt_change_cache 0KB 3KB 2 locks held by syz-executor.1/30568: batadv_tl_cache 3KB 12KB #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 ceph_osd_request 40KB 40KB 2 locks held by syz-executor.1/30611: ceph_msg 22KB 22KB TIPC 2677KB 2677KB rds_tcp_connection 4KB 7KB #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 RDS 3KB 7KB 2 locks held by syz-executor.1/30615: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 rds_connection 0KB 3KB SCTPv6 7334KB 7338KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30694: sctp_chunk 0KB 7KB sctp_bind_bucket 0KB 3KB DCCPv6 8852KB 8857KB #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 DCCP 8409KB 8414KB L2TP/IPv6 1KB 6KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30726: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 kcm_psock_cache 1KB 7KB 2 locks held by syz-executor.1/30758: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/30859: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/30874: RXRPC 2900KB 2905KB rxrpc_call_jar 20041KB 20041KB #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30877: bridge_fdb_cache 8KB 15KB fib6_nodes 126KB 184KB ip6_dst_cache 91KB 382KB #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30878: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 RAWv6 35991KB 35991KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30891: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/30898: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 UDPLITEv6 7KB 11KB UDPv6 3356KB 3356KB TCPv6 5640KB 5640KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 nf_conntrack 9KB 33KB 2 locks held by syz-executor.1/30913: t10_alua_lu_gp_cache 0KB 3KB sd_ext_cdb 0KB 7KB #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/30940: scsi_sense_cache 1056KB 1060KB #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 virtio_scsi_cmd 16KB 16KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/30950: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 sgpool-128 8KB 8KB sgpool-64 4KB 12KB sgpool-32 2KB 15KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 sgpool-16 1KB 7KB sgpool-8 0KB 3KB 2 locks held by syz-executor.1/31070: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 mqueue_inode_cache 18KB 30KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 bio_post_read_ctx 14KB 15KB bio-2 14KB 15KB 2 locks held by syz-executor.1/31073: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 jfs_mp 7KB 7KB cifs_small_rq 15KB 16KB cifs_request 67KB 67KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/31114: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 cifs_mpx_ids 0KB 7KB nfs_commit_data 3KB 14KB nfs_write_data 34KB 44KB ext4_system_zone 1KB 7KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 kioctx 2KB 7KB bio-1 1KB 7KB pid_namespace 31KB 34KB posix_timers_cache 1KB 3KB kvm_vcpu 0KB 23KB rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB UNIX 198KB 198KB UDP-Lite 5KB 20KB tcp_bind_bucket 224KB 228KB inet_peer_cache 0KB 4KB xfrm_state 10KB 12KB 2 locks held by syz-executor.1/31135: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 ip_fib_trie 23KB 31KB ip_fib_alias 95KB 134KB ip_dst_cache 66KB 172KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/31136: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 PING 6KB 7KB RAW 21342KB 21345KB UDP 6026KB 6027KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 TCP 289KB 348KB hugetlbfs_inode_cache 5KB 31KB 2 locks held by syz-executor.1/31175: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 fscache_cookie_jar 1KB 11KB eventpoll_pwq 15KB 35KB eventpoll_epi 28KB 47KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/31192: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 inotify_inode_mark 6KB 27KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 request_queue 196KB 196KB blkdev_requests 1KB 3KB 2 locks held by syz-executor.1/31211: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 blkdev_ioc 57KB 57KB bio-0 13695KB 13698KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/31293: biovec-max 3580KB 3580KB #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857 2 locks held by syz-executor.1/31432: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 biovec-64 7725KB 7725KB biovec-16 3001KB 3003KB bio_integrity_payload 1KB 8KB khugepaged_mm_slot 223KB 225KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2 locks held by syz-executor.1/31463: #0: 00000000307a7237 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 user_namespace 9KB 11KB uid_cache 0KB 4KB #1: 0000000033a98263 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 dmaengine-unmap-2 0KB 3KB 2 locks held by syz-executor.1/31476: skbuff_fclone_cache 45KB 45KB