Name Used Total pid_13 2KB 7KB pid_12 7KB 11KB pid_11 33KB 41KB pid_10 79KB 82KB INFO: task kworker/u4:4:19703 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 pid_9 124KB 127KB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:4 D25080 19703 2 0x80000000 pid_8 106KB 112KB pid_7 78KB 84KB pid_6 39KB 44KB pid_5 13KB 20KB Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 pid_4 1KB 3KB pid_3 3KB 7KB pid_2 889KB 1088KB schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 ubi_wl_entry_slab 1KB 3KB batadv_tl_cache 5KB 12KB __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 TIPC 2640KB 2640KB rds_connection 0KB 3KB SCTPv6 5843KB 5847KB SCTP 7KB 11KB sctp_chunk 0KB 7KB sctp_bind_bucket 0KB 3KB DCCPv6 7062KB 7065KB DCCP 6716KB 6718KB fib6_rules_net_exit+0xe/0x50 net/ipv6/fib6_rules.c:487 ops_exit_list+0xa5/0x150 net/core/net_namespace.c:153 L2TP/IP 1KB 7KB RXRPC 2861KB 2866KB rxrpc_call_jar 19834KB 19837KB can_receiver 0KB 3KB cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:554 bridge_fdb_cache 11KB 19KB process_one_work+0x864/0x1570 kernel/workqueue.c:2153 fib6_nodes 180KB 240KB ip6_dst_cache 169KB 360KB worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 RAWv6 28628KB 28633KB kthread+0x33f/0x460 kernel/kthread.c:259 UDPv6 3318KB 3322KB TCPv6 5769KB 5772KB ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task syz-executor.5:9005 blocked for more than 140 seconds. nf_conntrack 2KB 15KB Not tainted 4.19.211-syzkaller #0 t10_alua_lu_gp_cache 0KB 3KB sd_ext_cdb 0KB 7KB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D26784 9005 4411 0x00000000 scsi_sense_cache 1056KB 1060KB Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 virtio_scsi_cmd 16KB 16KB sgpool-128 8KB 8KB schedule+0x8d/0x1b0 kernel/sched/core.c:3561 sgpool-64 4KB 12KB sgpool-32 2KB 15KB sgpool-16 1KB 7KB sgpool-8 0KB 7KB mqueue_inode_cache 27KB 52KB bio_post_read_ctx 14KB 15KB bio-2 14KB 15KB 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 jfs_mp 7KB 7KB cifs_small_rq 15KB 16KB cifs_request 67KB 67KB cifs_mpx_ids 0KB 7KB ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 nfs_commit_data 3KB 14KB nfs_write_data 34KB 44KB 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 ext4_system_zone 1KB 7KB kioctx 1KB 7KB copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 bio-1 1KB 7KB fasync_cache 0KB 4KB pid_namespace 873KB 873KB rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 UNIX 95KB 108KB tcp_bind_bucket 221KB 224KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 inet_peer_cache 63KB 68KB ip_fib_trie 27KB 39KB entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f820575afe9 Code: Bad RIP value. ip_fib_alias 129KB 158KB RSP: 002b:00007f82040af118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 ip_dst_cache 9KB 76KB RAW 16963KB 16965KB RAX: ffffffffffffffda RBX: 00007f820586e030 RCX: 00007f820575afe9 UDP 4782KB 4785KB RDX: 0000000020001040 RSI: 0000000020001040 RDI: 0000000062102000 TCP 160KB 174KB hugetlbfs_inode_cache 236KB 422KB RBP: 00007f82057b508d R08: 00000000200010c0 R09: 00000000200010c0 R10: 0000000020001080 R11: 0000000000000206 R12: 0000000000000000 fscache_cookie_jar 1KB 7KB eventpoll_pwq 13KB 35KB R13: 00007ffcbca60b7f R14: 00007f82040af300 R15: 0000000000022000 INFO: task syz-executor.5:9600 blocked for more than 140 seconds. eventpoll_epi 24KB 47KB inotify_inode_mark 9KB 23KB Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. request_queue 222KB 222KB blkdev_requests 1KB 3KB syz-executor.5 D26784 9600 9322 0x00000000 blkdev_ioc 22KB 30KB Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bio-0 2467KB 2467KB biovec-max 1872KB 1872KB biovec-64 2377KB 2378KB biovec-16 422KB 423KB 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 360KB 364KB user_namespace 12KB 25KB uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB audit_buffer 0KB 3KB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 skbuff_fclone_cache 577KB 630KB skbuff_head_cache 7978KB 8021KB configfs_dir_cache 3KB 11KB file_lock_cache 14KB 19KB ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 file_lock_ctx 10KB 15KB fsnotify_mark_connector 4KB 15KB 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 net_namespace 24666KB 24666KB shmem_inode_cache 8118KB 8493KB task_delay_info 2128KB 2968KB taskstats 13KB 53KB 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 proc_dir_entry 129543KB 129547KB pde_opener 2KB 23KB seq_file 58KB 70KB sigqueue 503KB 504KB kernfs_node_cache 416709KB 416713KB mnt_cache 1017KB 1020KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe filp 5129KB 7410KB names_cache 44816KB 44846KB RIP: 0033:0x7f820575afe9 Code: Bad RIP value. RSP: 002b:00007f82040af118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 iint_cache 91KB 103KB key_jar 6KB 11KB RAX: ffffffffffffffda RBX: 00007f820586e030 RCX: 00007f820575afe9 RDX: 0000000020001040 RSI: 0000000020001040 RDI: 0000000062102000 uts_namespace 8KB 15KB nsproxy 239KB 241KB vm_area_struct 44998KB 44998KB RBP: 00007f82057b508d R08: 00000000200010c0 R09: 00000000200010c0 mm_struct 10128KB 10205KB fs_cache 2871KB 4064KB R10: 0000000020001080 R11: 0000000000000206 R12: 0000000000000000 R13: 00007ffcbca60b7f R14: 00007f82040af300 R15: 0000000000022000 files_cache 10530KB 12442KB signal_cache 16246KB 18500KB INFO: task syz-executor.5:9945 blocked for more than 140 seconds. sighand_cache 14552KB 14804KB Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task_struct 71419KB 71451KB cred_jar 5753KB 8180KB anon_vma_chain 37617KB 37618KB syz-executor.5 D26392 9945 9322 0x00000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 anon_vma 19826KB 20093KB pid 702KB 824KB Acpi-Operand 156KB 198KB Acpi-ParseExt 9KB 11KB Acpi-Parse 41KB 47KB 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 Acpi-State 52KB 63KB Acpi-Namespace 20KB 27KB numa_policy 0KB 3KB debug_objects_cache 33041KB 33046KB trace_event_file 297KB 298KB ftrace_event_field 398KB 401KB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 pool_workqueue 3637KB 3640KB page->ptl 9589KB 9614KB kmalloc-2097152 2050KB 2050KB ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 kmalloc-524288 2056KB 2056KB kmalloc-262144 1290KB 1290KB 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 kmalloc-131072 650KB 650KB kmalloc-65536 2838KB 2838KB copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 kmalloc-32768 165264KB 165264KB kmalloc-16384 58921KB 58921KB kmalloc-8192 111837KB 111837KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 kmalloc-4096 551713KB 551735KB kmalloc-2048 424660KB 424702KB kmalloc-1024 177478KB 177486KB kmalloc-512 136236KB 147232KB kmalloc-256 89089KB 90258KB kmalloc-128 42993KB 42997KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 kmalloc-96 12427KB 12956KB kmalloc-64 31372KB 32524KB kmalloc-32 27731KB 28649KB kmalloc-192 58544KB 60020KB entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f820575afe9 Code: Bad RIP value. kmem_cache 182KB 187KB Out of memory (oom_kill_allocating_task): Kill process 30086 (syz-executor.5) score 0 or sacrifice child RSP: 002b:00007f82040af118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 Killed process 30086 (syz-executor.5) total-vm:56936kB, anon-rss:424kB, file-rss:14080kB, shmem-rss:0kB RAX: ffffffffffffffda RBX: 00007f820586e030 RCX: 00007f820575afe9 RDX: 0000000020001040 RSI: 0000000020001040 RDI: 0000000062102000 RBP: 00007f82057b508d R08: 00000000200010c0 R09: 00000000200010c0 oom_reaper: reaped process 30086 (syz-executor.5), now anon-rss:0kB, file-rss:14080kB, shmem-rss:0kB R10: 0000000020001080 R11: 0000000000000206 R12: 0000000000000000 R13: 00007ffcbca60b7f R14: 00007f82040af300 R15: 0000000000022000 systemd-cgroups invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 INFO: task syz-executor.5:10003 blocked for more than 140 seconds. systemd-cgroups cpuset=/ mems_allowed=0-1 CPU: 0 PID: 7797 Comm: systemd-cgroups 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 Not tainted 4.19.211-syzkaller #0 dump_header+0x15d/0xc3f mm/oom_kill.c:443 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. 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_current+0x193/0x2a0 mm/mempolicy.c:2197 syz-executor.5 D26920 10003 9600 0x00000000 alloc_pages include/linux/gfp.h:532 [inline] __page_cache_alloc mm/filemap.c:969 [inline] page_cache_read mm/filemap.c:2408 [inline] filemap_fault+0x146e/0x2180 mm/filemap.c:2592 ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6379 __do_fault+0x10b/0x4b0 mm/memory.c:3403 Call Trace: do_read_fault mm/memory.c:3815 [inline] do_fault mm/memory.c:3944 [inline] handle_pte_fault mm/memory.c:4175 [inline] __handle_mm_fault+0x273b/0x41c0 mm/memory.c:4299 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7fb5ba9a7415 Code: Bad RIP value. schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 RSP: 002b:00007ffcfba85370 EFLAGS: 00010202 RAX: 00007fb5ba1c32c8 RBX: 00007fb5babbf9e8 RCX: 000000000000004c RDX: 00000000000003f3 RSI: 0000000000330a00 RDI: 00000000bba75332 RBP: 0000000000000003 R08: 00007ffcfba854c0 R09: 00007fb5babc3428 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 R10: 00007fb5b8735fd8 R11: 00007fb5b8532000 R12: 0000000000000012 R13: 0000000000000000 R14: 00007fb5babb96e0 R15: 0000000000000000 Mem-Info: active_anon:362421 inactive_anon:8477 isolated_anon:0 active_file:16 inactive_file:16 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:53400 slab_unreclaimable:1007580 mapped:19029 shmem:17375 pagetables:87022 bounce:0 free:24889 free_pcp:905 free_cma:0 Node 0 active_anon:1301600kB inactive_anon:33732kB active_file:28kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:75968kB dirty:0kB writeback:0kB shmem:69312kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 667648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:148084kB inactive_anon:176kB active_file:36kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:148kB dirty:0kB writeback:0kB shmem:188kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 Node 0 DMA free:10984kB min:204kB low:252kB high:300kB active_anon:704kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:96kB pagetables:508kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 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 lowmem_reserve[]: 0 2693 2695 2695 2695 Node 0 DMA32 free:35032kB min:35996kB low:44992kB high:53988kB active_anon:1300896kB inactive_anon:33732kB active_file:28kB inactive_file:28kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:51552kB pagetables:131788kB bounce:0kB free_pcp:1348kB local_pcp:576kB free_cma:0kB 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 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 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f820575afe9 lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:53604kB min:53876kB low:67344kB high:80812kB active_anon:148072kB inactive_anon:176kB active_file:36kB inactive_file:36kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:146592kB pagetables:215820kB bounce:0kB free_pcp:2288kB local_pcp:952kB free_cma:0kB Code: Bad RIP value. RSP: 002b:00007f82040af118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f820586e030 RCX: 00007f820575afe9 lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 18*4kB (M) 24*8kB (UM) 6*16kB (UME) 12*32kB (UM) 6*64kB (UME) 1*128kB (M) 2*256kB (UE) 2*512kB (UE) 2*1024kB (ME) 1*2048kB (E) 1*4096kB (M) = 10984kB RDX: 0000000020001040 RSI: 0000000020001040 RDI: 0000000062102000 RBP: 00007f82057b508d R08: 00000000200010c0 R09: 00000000200010c0 Node 0 DMA32: 3508*4kB (UM) 1145*8kB (UM) 328*16kB (M) 146*32kB (M) 1*64kB (M) 2*128kB (UM) 2*256kB (UM) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 34968kB R10: 0000000020001080 R11: 0000000000000206 R12: 0000000000000000 R13: 00007ffcbca60b7f R14: 00007f82040af300 R15: 0000000000022000 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 INFO: task syz-executor.5:10594 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 Node 1 Normal: 4581*4kB (UME) 1106*8kB (UME) 326*16kB (UM) 45*32kB (UME) 17*64kB (UME) 14*128kB (UM) 2*256kB (UE) 2*512kB (ME) 1*1024kB (M) 1*2048kB (E) 3*4096kB (M) = 53604kB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D26888 10594 9170 0x00000000 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 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 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 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 17407 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 2097051 pages RAM 0 pages HighMem/MovableOnly 369649 pages reserved 0 pages cma reserved Unreclaimable slab info: Name Used Total pid_13 2KB 7KB ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 pid_12 7KB 11KB copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 pid_11 33KB 41KB pid_10 79KB 82KB 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 pid_9 124KB 127KB pid_8 106KB 112KB pid_7 78KB 84KB pid_6 39KB 44KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 pid_5 13KB 20KB pid_4 1KB 3KB pid_3 3KB 7KB pid_2 889KB 1088KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 ubi_wl_entry_slab 1KB 3KB batadv_tl_cache 5KB 12KB entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f820575afe9 Code: Bad RIP value. TIPC 2640KB 2640KB rds_connection 0KB 3KB RSP: 002b:00007f82040af118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f820586e030 RCX: 00007f820575afe9 SCTPv6 5843KB 5847KB SCTP 7KB 11KB sctp_chunk 0KB 7KB sctp_bind_bucket 0KB 3KB RDX: 0000000020001040 RSI: 0000000020001040 RDI: 0000000062102000 RBP: 00007f82057b508d R08: 00000000200010c0 R09: 00000000200010c0 DCCPv6 7062KB 7065KB DCCP 6716KB 6718KB R10: 0000000020001080 R11: 0000000000000206 R12: 0000000000000000 R13: 00007ffcbca60b7f R14: 00007f82040af300 R15: 0000000000022000 L2TP/IP 1KB 7KB RXRPC 2861KB 2866KB rxrpc_call_jar 19834KB 19837KB can_receiver 0KB 3KB bridge_fdb_cache 11KB 19KB INFO: task syz-executor.5:10609 blocked for more than 140 seconds. fib6_nodes 180KB 240KB ip6_dst_cache 169KB 360KB Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D26792 10609 9336 0x00000000 RAWv6 28628KB 28633KB Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 UDPv6 3318KB 3322KB TCPv6 5769KB 5772KB nf_conntrack 2KB 15KB t10_alua_lu_gp_cache 0KB 3KB sd_ext_cdb 0KB 7KB schedule+0x8d/0x1b0 kernel/sched/core.c:3561 scsi_sense_cache 1056KB 1060KB virtio_scsi_cmd 16KB 16KB 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 sgpool-128 8KB 8KB sgpool-64 4KB 12KB sgpool-32 2KB 15KB sgpool-16 1KB 7KB sgpool-8 0KB 7KB mqueue_inode_cache 27KB 52KB bio_post_read_ctx 14KB 15KB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 bio-2 14KB 15KB jfs_mp 7KB 7KB ops_init+0xb3/0x410 net/core/net_namespace.c:129 cifs_small_rq 15KB 16KB cifs_request 67KB 67KB setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 cifs_mpx_ids 0KB 7KB create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 nfs_commit_data 3KB 14KB nfs_write_data 34KB 44KB copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 ext4_system_zone 1KB 7KB kioctx 1KB 7KB bio-1 1KB 7KB fasync_cache 0KB 4KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 pid_namespace 873KB 873KB rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB UNIX 95KB 108KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 tcp_bind_bucket 220KB 224KB inet_peer_cache 63KB 68KB ip_fib_trie 27KB 39KB entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f820575afe9 Code: Bad RIP value. RSP: 002b:00007f82040af118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 ip_fib_alias 129KB 158KB ip_dst_cache 9KB 76KB RAX: ffffffffffffffda RBX: 00007f820586e030 RCX: 00007f820575afe9 RAW 16963KB 16965KB RDX: 0000000020001040 RSI: 0000000020001040 RDI: 0000000062102000 RBP: 00007f82057b508d R08: 00000000200010c0 R09: 00000000200010c0 UDP 4782KB 4785KB TCP 160KB 174KB R10: 0000000020001080 R11: 0000000000000206 R12: 0000000000000000 hugetlbfs_inode_cache 236KB 422KB fscache_cookie_jar 1KB 7KB R13: 00007ffcbca60b7f R14: 00007f82040af300 R15: 0000000000022000 eventpoll_pwq 13KB 35KB eventpoll_epi 24KB 47KB INFO: task syz-executor.5:10681 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 inotify_inode_mark 9KB 23KB request_queue 222KB 222KB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D26768 10681 9005 0x00000000 blkdev_requests 1KB 3KB blkdev_ioc 22KB 30KB Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bio-0 2465KB 2467KB biovec-max 1872KB 1872KB biovec-64 2377KB 2378KB schedule+0x8d/0x1b0 kernel/sched/core.c:3561 biovec-16 422KB 423KB 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 bio_integrity_payload 1KB 8KB khugepaged_mm_slot 360KB 364KB user_namespace 12KB 25KB uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB audit_buffer 0KB 3KB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 skbuff_fclone_cache 577KB 630KB skbuff_head_cache 8087KB 8130KB configfs_dir_cache 3KB 11KB file_lock_cache 14KB 19KB ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 file_lock_ctx 10KB 15KB fsnotify_mark_connector 4KB 15KB 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 net_namespace 24666KB 24666KB shmem_inode_cache 8118KB 8493KB copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 task_delay_info 2123KB 2968KB taskstats 13KB 53KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 proc_dir_entry 129542KB 129547KB pde_opener 2KB 23KB seq_file 58KB 70KB sigqueue 502KB 504KB kernfs_node_cache 416709KB 416713KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe mnt_cache 1016KB 1020KB filp 5110KB 7410KB names_cache 44807KB 44837KB iint_cache 91KB 103KB RIP: 0033:0x7f820575afe9 Code: Bad RIP value. RSP: 002b:00007f82040af118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 key_jar 6KB 11KB