nf_conntrack 7KB 37KB t10_alua_lu_gp_cache 0KB 3KB sd_ext_cdb 0KB 7KB scsi_sense_cache 1056KB 1060KB virtio_scsi_cmd 16KB 16KB INFO: task kworker/1:4:9358 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 sgpool-128 8KB 8KB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. sgpool-64 4KB 12KB sgpool-32 2KB 15KB kworker/1:4 D24640 9358 2 0x80000000 sgpool-16 1KB 7KB sgpool-8 0KB 7KB mqueue_inode_cache 15KB 37KB bio_post_read_ctx 14KB 15KB bio-2 14KB 15KB Workqueue: events switchdev_deferred_process_work Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 jfs_mp 7KB 7KB cifs_small_rq 15KB 16KB cifs_request 67KB 67KB schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 cifs_mpx_ids 0KB 7KB nfs_commit_data 3KB 14KB __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 nfs_write_data 34KB 44KB ext4_system_zone 1KB 7KB kioctx 4KB 14KB userfaultfd_ctx_cache 0KB 3KB fanotify_event_info 0KB 3KB switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 bio-1 1KB 7KB pid_namespace 4KB 15KB process_scheduled_works kernel/workqueue.c:2212 [inline] worker_thread+0x82b/0x1130 kernel/workqueue.c:2298 posix_timers_cache 1KB 3KB kthread+0x33f/0x460 kernel/kthread.c:259 kvm_async_pf 50KB 53KB kvm_vcpu 0KB 166KB ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 kvm_mmu_page_header 38KB 38KB pte_list_desc 7KB 7KB rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB INFO: task syz-executor.1:32751 blocked for more than 140 seconds. UNIX 120KB 120KB ip4-frags 1KB 3KB tcp_bind_bucket 231KB 236KB inet_peer_cache 0KB 4KB Not tainted 4.19.211-syzkaller #0 xfrm_state 2KB 8KB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D26784 32751 3936 0x00000000 Call Trace: ip_fib_trie 34KB 47KB context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 ip_fib_alias 163KB 201KB ip_dst_cache 9KB 84KB schedule+0x8d/0x1b0 kernel/sched/core.c:3561 RAW 22027KB 22027KB 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 UDP 6231KB 6237KB TCP 278KB 309KB hugetlbfs_inode_cache 5KB 31KB fscache_cookie_jar 1KB 7KB eventpoll_pwq 9KB 39KB eventpoll_epi 17KB 55KB inotify_inode_mark 5KB 23KB request_queue 184KB 184KB blkdev_requests 1KB 3KB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 blkdev_ioc 46KB 50KB bio-0 12486KB 12487KB biovec-max 4290KB 4290KB biovec-64 10332KB 10332KB biovec-16 2775KB 2775KB bio_integrity_payload 1KB 8KB khugepaged_mm_slot 231KB 388KB user_namespace 3KB 11KB uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB vti_init_net+0x2a/0x370 net/ipv4/ip_vti.c:520 audit_buffer 4KB 7KB skbuff_fclone_cache 167KB 228KB ops_init+0xb3/0x410 net/core/net_namespace.c:129 skbuff_head_cache 8700KB 10076KB setup_net+0x2c2/0x720 net/core/net_namespace.c:316 configfs_dir_cache 3KB 7KB file_lock_cache 3KB 7KB file_lock_ctx 8KB 11KB fsnotify_mark_connector 2KB 7KB copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 net_namespace 32086KB 32086KB create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 shmem_inode_cache 7897KB 8174KB task_delay_info 1389KB 2316KB taskstats 17KB 99KB proc_dir_entry 166130KB 166132KB pde_opener 1KB 7KB seq_file 63KB 66KB sigqueue 175KB 177KB kernfs_node_cache 473752KB 473752KB mnt_cache 209KB 296KB filp 5798KB 6780KB names_cache 78646KB 78705KB iint_cache 38KB 59KB key_jar 7KB 15KB uts_namespace 3KB 15KB nsproxy 348KB 355KB vm_area_struct 30535KB 30577KB mm_struct 6274KB 6279KB fs_cache 1875KB 3036KB files_cache 6541KB 9183KB signal_cache 9984KB 14245KB copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 sighand_cache 9377KB 9421KB copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 task_struct 42773KB 42824KB cred_jar 4588KB 6876KB anon_vma_chain 40795KB 40820KB anon_vma 10252KB 10264KB pid 426KB 936KB 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 38568KB 38571KB trace_event_file 297KB 298KB ftrace_event_field 398KB 401KB pool_workqueue 3807KB 3808KB page->ptl 6277KB 6305KB kmalloc-2097152 2050KB 6150KB kmalloc-1048576 1026KB 2052KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 kmalloc-524288 2056KB 3084KB kmalloc-262144 1290KB 1290KB kmalloc-131072 2210KB 2340KB kmalloc-65536 3564KB 3894KB kmalloc-32768 201498KB 201498KB kmalloc-16384 61891KB 61891KB kmalloc-8192 142411KB 142411KB kmalloc-4096 618455KB 618455KB kmalloc-2048 504154KB 504154KB kmalloc-1024 207758KB 207758KB kmalloc-512 160908KB 174060KB kmalloc-256 105648KB 107673KB kmalloc-128 53306KB 53439KB kmalloc-96 14112KB 15148KB kmalloc-64 36795KB 38184KB kmalloc-32 32642KB 33811KB kmalloc-192 71061KB 72856KB kmem_cache 189KB 195KB Out of memory (oom_kill_allocating_task): Kill process 2256 (syz-executor.1) score 0 or sacrifice child Killed process 22762 (syz-executor.1) total-vm:57064kB, anon-rss:424kB, file-rss:14128kB, shmem-rss:0kB oom_reaper: reaped process 22762 (syz-executor.1), now anon-rss:0kB, file-rss:14128kB, shmem-rss:0kB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 IPVS: ftp: loaded support on port[0] = 21 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f94c377be99 Code: Bad RIP value. RSP: 002b:00007f94c20af168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f94c388f100 RCX: 00007f94c377be99 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040840000 RBP: 00007f94c37d5ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc1b367af R14: 00007f94c20af300 R15: 0000000000022000 INFO: task syz-executor.1:438 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 D26744 438 32751 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: 0033:0x7f94c377be99 Code: Bad RIP value. RSP: 002b:00007f94c20af168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f94c388f100 RCX: 00007f94c377be99 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040840000 RBP: 00007f94c37d5ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc1b367af R14: 00007f94c20af300 R15: 0000000000022000 INFO: task syz-executor.1:441 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 441 332 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: 0033:0x7f94c377be99 Code: Bad RIP value. RSP: 002b:00007f94c20af168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f94c388f100 RCX: 00007f94c377be99 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040840000 RBP: 00007f94c37d5ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc1b367af R14: 00007f94c20af300 R15: 0000000000022000 syz-fuzzer invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 INFO: task syz-executor.1:690 blocked for more than 140 seconds. syz-fuzzer cpuset=/ mems_allowed=0-1 CPU: 0 PID: 8111 Comm: syz-fuzzer 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_current+0x193/0x2a0 mm/mempolicy.c:2197 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 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 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x44c48a Code: Bad RIP value. RSP: 002b:000000c000047950 EFLAGS: 00010286 RAX: 0000000000000017 RBX: 000000c000000780 RCX: 0000000000000101 RDX: fffffffffffffffa RSI: 00000000016ec6e0 RDI: 000000c000000900 RBP: 000000c0000479e0 R08: 000000c000047bf0 R09: 0000000000000177 R10: 00000000018a2068 R11: 00000000000001ab R12: 0000000000000003 R13: 0000000000000009 R14: 000080c000340000 R15: 000080c000347fff Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D26784 690 483 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 Mem-Info: active_anon:254846 inactive_anon:8197 isolated_anon:0 active_file:34 inactive_file:0 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:49992 slab_unreclaimable:1167970 mapped:19192 shmem:11996 pagetables:56443 bounce:0 free:25168 free_pcp:31 free_cma:0 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f94c377be99 Code: Bad RIP value. RSP: 002b:00007f94c20af168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f94c388f100 RCX: 00007f94c377be99 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040840000 Node 0 active_anon:1012948kB inactive_anon:31980kB active_file:124kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76768kB dirty:0kB writeback:0kB shmem:47176kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 219136kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes RBP: 00007f94c37d5ff1 R08: 0000000000000000 R09: 0000000000000000 Node 1 active_anon:6436kB inactive_anon:808kB active_file:0kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:808kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc1b367af R14: 00007f94c20af300 R15: 0000000000022000 INFO: task syz-executor.1:727 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 727 350 0x00000000 Node 0 DMA free:10960kB min:204kB low:252kB high:300kB active_anon:12kB inactive_anon:28kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 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 lowmem_reserve[]: 0 2693 2695 2695 2695 Node 0 DMA32 free:35508kB min:35996kB low:44992kB high:53988kB active_anon:1012936kB inactive_anon:31952kB active_file:68kB inactive_file:24kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:24704kB pagetables:48496kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 lowmem_reserve[]: 0 0 1 1 1 Node 0 Normal free:4kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:53396kB min:53876kB low:67344kB high:80812kB active_anon:6436kB inactive_anon:808kB active_file:12kB inactive_file:200kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:103200kB pagetables:176832kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 vti_init_net+0x2a/0x370 net/ipv4/ip_vti.c:520 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 6*4kB (U) 1*8kB (M) 1*16kB (M) 3*32kB (UM) 3*64kB (ME) 1*128kB (E) 3*256kB (UM) 3*512kB (UME) 2*1024kB (ME) 3*2048kB (ME) 0*4096kB = 10960kB 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 Node 0 DMA32: 1469*4kB (UM) 573*8kB (UME) 630*16kB (UME) 294*32kB (UME) 72*64kB (ME) 0*128kB 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 35324kB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 Node 0 Normal: 1*4kB (E) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4kB Node 1 Normal: 249*4kB (UME) 382*8kB (UME) 136*16kB (UME) 25*32kB (UME) 4*64kB (UME) 2*128kB (ME) 10*256kB (UME) 4*512kB (ME) 1*1024kB (E) 4*2048kB (UME) 8*4096kB (M) = 54132kB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB RIP: 0033:0x7f94c377be99 Code: Bad RIP value. Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB RSP: 002b:00007f94c20af168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f94c388f100 RCX: 00007f94c377be99 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 12029 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 2097051 pages RAM 0 pages HighMem/MovableOnly 369649 pages reserved 0 pages cma reserved Unreclaimable slab info: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040840000 RBP: 00007f94c37d5ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc1b367af R14: 00007f94c20af300 R15: 0000000000022000 INFO: task syz-executor.1:1206 blocked for more than 140 seconds. Name Used Total Not tainted 4.19.211-syzkaller #0 pid_3 1KB 7KB "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D26920 1206 615 0x00000000 pid_2 315KB 492KB Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 ubi_wl_entry_slab 1KB 7KB batadv_tt_change_cache 0KB 3KB batadv_tl_cache 8KB 16KB TIPC 2766KB 2767KB rds_tcp_incoming 0KB 3KB schedule+0x8d/0x1b0 kernel/sched/core.c:3561 rds_tcp_connection 14KB 14KB 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 RDS 1KB 3KB rds_connection 1KB 3KB SCTPv6 7573KB 7579KB sctp_chunk 22KB 22KB sctp_bind_bucket 0KB 3KB DCCPv6 9162KB 9172KB ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034 DCCP 8704KB 8713KB RXRPC 2996KB 2996KB ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 rxrpc_call_jar 20745KB 20750KB bridge_fdb_cache 16KB 23KB copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 fib6_nodes 231KB 308KB ip6_dst_cache 158KB 487KB copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 RAWv6 37175KB 37179KB UDPv6 3489KB 3491KB TCPv6 5841KB 5844KB nf_conntrack 7KB 37KB copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 t10_alua_lu_gp_cache 0KB 3KB sd_ext_cdb 0KB 7KB scsi_sense_cache 1056KB 1060KB virtio_scsi_cmd 16KB 16KB do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 sgpool-128 8KB 8KB entry_SYSCALL_64_after_hwframe+0x49/0xbe sgpool-64 4KB 12KB RIP: 0033:0x7f94c377be99 Code: Bad RIP value. sgpool-32 2KB 15KB RSP: 002b:00007f94c20af168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 sgpool-16 1KB 7KB sgpool-8 0KB 7KB mqueue_inode_cache 15KB 37KB RAX: ffffffffffffffda RBX: 00007f94c388f100 RCX: 00007f94c377be99 bio_post_read_ctx 14KB 15KB bio-2 14KB 15KB jfs_mp 7KB 7KB cifs_small_rq 15KB 16KB cifs_request 67KB 67KB cifs_mpx_ids 0KB 7KB nfs_commit_data 3KB 14KB nfs_write_data 34KB 44KB ext4_system_zone 1KB 7KB kioctx 4KB 14KB userfaultfd_ctx_cache 0KB 3KB fanotify_event_info 0KB 3KB bio-1 1KB 7KB pid_namespace 4KB 15KB posix_timers_cache 1KB 3KB kvm_async_pf 50KB 53KB kvm_vcpu 0KB 166KB kvm_mmu_page_header 38KB 38KB pte_list_desc 7KB 7KB rpc_buffers 17KB 25KB rpc_tasks 2KB 7KB UNIX 120KB 120KB ip4-frags 1KB 3KB tcp_bind_bucket 231KB 236KB inet_peer_cache 0KB 4KB xfrm_state 2KB 8KB ip_fib_trie 34KB 47KB ip_fib_alias 163KB 201KB ip_dst_cache 9KB 84KB RAW 22033KB 22035KB UDP 6233KB 6237KB TCP 278KB 309KB hugetlbfs_inode_cache 5KB 31KB fscache_cookie_jar 1KB 7KB eventpoll_pwq 9KB 39KB eventpoll_epi 17KB 55KB inotify_inode_mark 5KB 23KB request_queue 184KB 184KB blkdev_requests 1KB 3KB blkdev_ioc 45KB 50KB bio-0 12545KB 12547KB biovec-max 4290KB 4290KB biovec-64 10366KB 10371KB biovec-16 2775KB 2778KB bio_integrity_payload 1KB 8KB khugepaged_mm_slot 231KB 388KB user_namespace 3KB 11KB uid_cache 0KB 4KB dmaengine-unmap-2 0KB 3KB audit_buffer 4KB 7KB skbuff_fclone_cache 167KB 228KB skbuff_head_cache 8928KB 10076KB configfs_dir_cache 3KB 7KB file_lock_cache 3KB 7KB file_lock_ctx 8KB 11KB fsnotify_mark_connector 2KB 7KB net_namespace 32095KB 32095KB shmem_inode_cache 7897KB 8174KB task_delay_info 1341KB 2316KB taskstats 17KB 99KB proc_dir_entry 166166KB 166173KB pde_opener 0KB 7KB seq_file 61KB 66KB sigqueue 172KB 177KB kernfs_node_cache 473790KB 473791KB mnt_cache 209KB 296KB filp 5723KB 6780KB names_cache 78654KB 78684KB iint_cache 38KB 59KB key_jar 7KB 15KB uts_namespace 3KB 15KB nsproxy 347KB 355KB vm_area_struct 30543KB 30577KB mm_struct 6275KB 6279KB fs_cache 1809KB 3036KB files_cache 6434KB 9168KB signal_cache 9933KB 14245KB sighand_cache 9349KB 9421KB task_struct 42685KB 42754KB cred_jar 4528KB 6876KB anon_vma_chain 40805KB 40820KB anon_vma 10253KB 10264KB pid 393KB 936KB 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 38573KB 38579KB trace_event_file 297KB 298KB ftrace_event_field 398KB 401KB pool_workqueue 3807KB 3808KB page->ptl 6274KB 6305KB kmalloc-2097152 2050KB 6150KB kmalloc-1048576 1026KB 2052KB kmalloc-524288 2056KB 3084KB kmalloc-262144 1290KB 1290KB kmalloc-131072 2210KB 2340KB kmalloc-65536 3564KB 3894KB kmalloc-32768 201531KB 201531KB kmalloc-16384 61891KB 61891KB kmalloc-8192 142444KB 142444KB kmalloc-4096 618494KB 618502KB kmalloc-2048 504213KB 504230KB kmalloc-1024 208158KB 208159KB kmalloc-512 161110KB 174060KB kmalloc-256 105715KB 107741KB kmalloc-128 53311KB 53447KB kmalloc-96 14132KB 15168KB kmalloc-64 36807KB 38196KB kmalloc-32 32682KB 33850KB kmalloc-192 71065KB 72868KB kmem_cache 189KB 195KB Out of memory (oom_kill_allocating_task): Kill process 8111 (syz-fuzzer) score 0 or sacrifice child Killed process 3929 (syz-executor.1) total-vm:48472kB, anon-rss:356kB, file-rss:4kB, shmem-rss:0kB systemd-journald[22164]: /dev/kmsg buffer overrun, some messages lost. RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040840000 RBP: 00007f94c37d5ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc1b367af R14: 00007f94c20af300 R15: 0000000000022000 INFO: task syz-executor.1:1306 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 D26888 1306 332 0x00000004 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: 0033:0x7f94c377be99 Code: Bad RIP value. RSP: 002b:00007f94c20af168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f94c388f100 RCX: 00007f94c377be99 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040840000 RBP: 00007f94c37d5ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc1b367af R14: 00007f94c20af300 R15: 0000000000022000 INFO: task syz-executor.1:1421 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 1421 727 0x00000004 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