WARNING: possible circular locking dependency detected 4.14.0-next-20171120+ #46 Not tainted ------------------------------------------------------ syz-executor2/7938 is trying to acquire lock: (console_lock){+.+.}, at: [] vcs_write+0x14d/0xca0 drivers/tty/vt/vc_screen.c:397 but task is already holding lock: (&pipe->mutex/1){+.+.}, at: [] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [] pipe_lock+0x56/0x70 fs/pipe.c:75 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&pipe->mutex/1){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 pipe_lock_nested fs/pipe.c:67 [inline] pipe_lock+0x56/0x70 fs/pipe.c:75 iter_file_splice_write+0x264/0xf30 fs/splice.c:699 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #2 (sb_writers){.+.+}: spin_lock include/linux/spinlock.h:315 [inline] devtmpfsd+0x224/0x4b0 drivers/base/devtmpfs.c:392 -> #1 ((completion)&req.done){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 complete_acquire include/linux/completion.h:40 [inline] __wait_for_common kernel/sched/completion.c:109 [inline] wait_for_common kernel/sched/completion.c:123 [inline] wait_for_completion+0xcb/0x7b0 kernel/sched/completion.c:144 devtmpfs_create_node+0x32b/0x4a0 drivers/base/devtmpfs.c:115 device_add+0x120f/0x1640 drivers/base/core.c:1824 device_create_groups_vargs+0x1f3/0x250 drivers/base/core.c:2430 device_create_vargs drivers/base/core.c:2470 [inline] device_create+0xda/0x110 drivers/base/core.c:2506 vcs_make_sysfs+0x35/0x60 drivers/tty/vt/vc_screen.c:629 vc_allocate+0x4b7/0x6b0 drivers/tty/vt/vt.c:797 con_install+0x52/0x440 drivers/tty/vt/vt.c:2876 tty_driver_install_tty drivers/tty/tty_io.c:1215 [inline] tty_init_dev+0xf6/0x4a0 drivers/tty/tty_io.c:1315 tty_open_by_driver drivers/tty/tty_io.c:1942 [inline] tty_open+0x608/0xab0 drivers/tty/tty_io.c:1990 chrdev_open+0x257/0x730 fs/char_dev.c:417 do_dentry_open+0x682/0xd70 fs/open.c:752 vfs_open+0x107/0x230 fs/open.c:866 do_last fs/namei.c:3388 [inline] path_openat+0x1157/0x3530 fs/namei.c:3528 do_filp_open+0x25b/0x3b0 fs/namei.c:3563 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #0 (console_lock){+.+.}: check_prevs_add kernel/locking/lockdep.c:2031 [inline] validate_chain kernel/locking/lockdep.c:2473 [inline] __lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 console_lock+0x4b/0x80 kernel/printk/printk.c:2047 vcs_write+0x14d/0xca0 drivers/tty/vt/vc_screen.c:397 __vfs_write+0xef/0x970 fs/read_write.c:480 __kernel_write+0xfe/0x350 fs/read_write.c:501 write_pipe_buf+0x175/0x220 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x328/0x730 fs/splice.c:626 splice_from_pipe+0x1e9/0x330 fs/splice.c:661 default_file_splice_write+0x40/0x90 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 other info that might help us debug this: Chain exists of: console_lock --> sb_writers --> &pipe->mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pipe->mutex/1); lock(sb_writers); lock(&pipe->mutex/1); lock(console_lock); *** DEADLOCK *** 1 lock held by syz-executor2/7938: #0: (&pipe->mutex/1){+.+.}, at: [] pipe_lock_nested fs/pipe.c:67 [inline] #0: (&pipe->mutex/1){+.+.}, at: [] pipe_lock+0x56/0x70 fs/pipe.c:75 stack backtrace: CPU: 0 PID: 7938 Comm: syz-executor2 Not tainted 4.14.0-next-20171120+ #46 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 print_circular_bug+0x42d/0x610 kernel/locking/lockdep.c:1271 check_prev_add+0x666/0x15f0 kernel/locking/lockdep.c:1914 check_prevs_add kernel/locking/lockdep.c:2031 [inline] validate_chain kernel/locking/lockdep.c:2473 [inline] __lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 console_lock+0x4b/0x80 kernel/printk/printk.c:2047 vcs_write+0x14d/0xca0 drivers/tty/vt/vc_screen.c:397 __vfs_write+0xef/0x970 fs/read_write.c:480 __kernel_write+0xfe/0x350 fs/read_write.c:501 write_pipe_buf+0x175/0x220 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x328/0x730 fs/splice.c:626 splice_from_pipe+0x1e9/0x330 fs/splice.c:661 default_file_splice_write+0x40/0x90 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f36f0389be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000000000013 RSI: 0000000000000000 RDI: 0000000000000014 RBP: 0000000000000086 R08: 00000000fffff5fc R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f1df8 R13: 00000000ffffffff R14: 00007f36f038a6d4 R15: 0000000000000000 netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. device gre0 entered promiscuous mode device lo left promiscuous mode kauditd_printk_skb: 95 callbacks suppressed audit: type=1326 audit(1511187326.712:732): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=8330 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0xffff0000 audit: type=1326 audit(1511187326.861:733): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=8330 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0xffff0000 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 nla_parse: 14 callbacks suppressed netlink: 5 bytes leftover after parsing attributes in process `syz-executor1'. sg_write: data in/out 1562545402/1 bytes for SCSI command 0x0-- guessing data in; program syz-executor1 not setting count and/or reply_len properly sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor1 not setting count and/or reply_len properly netlink: 5 bytes leftover after parsing attributes in process `syz-executor1'. sg_write: data in/out 1562545402/1 bytes for SCSI command 0x0-- guessing data in; program syz-executor1 not setting count and/or reply_len properly sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor1 not setting count and/or reply_len properly netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. sctp: [Deprecated]: syz-executor5 (pid 8718) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor5 (pid 8736) Use of int in maxseg socket option. Use struct sctp_assoc_value instead rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 9106 Comm: syz-executor2 Not tainted 4.14.0-next-20171120+ #46 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:425 [inline] slab_alloc mm/slab.c:3372 [inline] __do_kmalloc mm/slab.c:3710 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3727 memdup_user+0x2c/0x90 mm/util.c:164 strndup_user+0x62/0xb0 mm/util.c:195 copy_mount_string fs/namespace.c:2746 [inline] SYSC_mount fs/namespace.c:3042 [inline] SyS_mount+0x3c/0x120 fs/namespace.c:3034 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f36f0389be8 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000020fb5ffc RSI: 0000000020eae000 RDI: 0000000020144000 RBP: 00007f36f0389a20 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b757e R13: 00007f36f0389b58 R14: 00000000004b758e R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9121 Comm: syz-executor2 Not tainted 4.14.0-next-20171120+ #46 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:425 [inline] slab_alloc mm/slab.c:3372 [inline] __do_kmalloc mm/slab.c:3710 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3727 memdup_user+0x2c/0x90 mm/util.c:164 strndup_user+0x62/0xb0 mm/util.c:195 copy_mount_string fs/namespace.c:2746 [inline] SYSC_mount fs/namespace.c:3047 [inline] SyS_mount+0x6b/0x120 fs/namespace.c:3034 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f36f0389be8 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000020fb5ffc RSI: 0000000020eae000 RDI: 0000000020144000 RBP: 00007f36f0389a20 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b757e R13: 00007f36f0389b58 R14: 00000000004b758e R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9125 Comm: syz-executor0 Not tainted 4.14.0-next-20171120+ #46 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:425 [inline] slab_alloc mm/slab.c:3372 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3546 ptlock_alloc+0x24/0x70 mm/memory.c:4685 ptlock_init include/linux/mm.h:1776 [inline] pgtable_page_ctor include/linux/mm.h:1810 [inline] pte_alloc_one+0x59/0x100 arch/x86/mm/pgtable.c:32 __do_huge_pmd_anonymous_page mm/huge_memory.c:564 [inline] do_huge_pmd_anonymous_page+0x554/0x1b00 mm/huge_memory.c:728 create_huge_pmd mm/memory.c:3828 [inline] __handle_mm_fault+0x1b9f/0x3e20 mm/memory.c:4031 handle_mm_fault+0x334/0x8d0 mm/memory.c:4097 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504 page_fault+0x22/0x30 arch/x86/entry/entry_64.S:1088 RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff880194227e30 EFLAGS: 00010202 RAX: ffffed0032844fde RBX: 0000000000000020 RCX: 0000000000000004 RDX: 0000000000000000 RSI: ffff880194227ed0 RDI: 0000000020b14000 RBP: ffff880194227e60 R08: 0000000000000000 R09: ffffed0032844fde R10: 0000000000000004 R11: ffffed0032844fdd R12: 0000000020b14000 R13: ffff880194227ed0 R14: 00007ffffffff000 R15: 0000000020b14020 copy_to_user include/linux/uaccess.h:155 [inline] SYSC_setitimer kernel/time/itimer.c:312 [inline] SyS_setitimer+0xea/0x1c0 kernel/time/itimer.c:292 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007fd69faa7be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000026 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000020b14000 RSI: 0000000020e27fe0 RDI: 0000000000000000 RBP: 00007fd69faa7a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b757e R13: 00007fd69faa7b58 R14: 00000000004b758e R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9127 Comm: syz-executor2 Not tainted 4.14.0-next-20171120+ #46 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:425 [inline] slab_alloc mm/slab.c:3372 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3612 kmalloc include/linux/slab.h:514 [inline] copy_mount_options+0x5f/0x2e0 fs/namespace.c:2721 SYSC_mount fs/namespace.c:3052 [inline] SyS_mount+0x87/0x120 fs/namespace.c:3034 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f36f0389be8 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000020fb5ffc RSI: 0000000020eae000 RDI: 0000000020144000 RBP: 00007f36f0389a20 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b757e R13: 00007f36f0389b58 R14: 00000000004b758e R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 9133 Comm: syz-executor2 Not tainted 4.14.0-next-20171120+ #46 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2937 [inline] prepare_alloc_pages mm/page_alloc.c:4176 [inline] __alloc_pages_nodemask+0x338/0xd80 mm/page_alloc.c:4215 __alloc_pages include/linux/gfp.h:456 [inline] __alloc_pages_node include/linux/gfp.h:469 [inline] kmem_getpages mm/slab.c:1414 [inline] cache_grow_begin+0x72/0x3f0 mm/slab.c:2672 cache_alloc_refill mm/slab.c:3039 [inline] ____cache_alloc mm/slab.c:3121 [inline] __do_cache_alloc mm/slab.c:3343 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x3f3/0x750 mm/slab.c:3612 kmalloc include/linux/slab.h:514 [inline] copy_mount_options+0x5f/0x2e0 fs/namespace.c:2721 SYSC_mount fs/namespace.c:3052 [inline] SyS_mount+0x87/0x120 fs/namespace.c:3034 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f36f0389be8 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000020fb5ffc RSI: 0000000020eae000 RDI: 0000000020144000 RBP: 00007f36f0389a20 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b757e R13: 00007f36f0389b58 R14: 00000000004b758e R15: 0000000000000000 rpcbind: RPC call returned error 22 netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'. FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9155 Comm: syz-executor2 Not tainted 4.14.0-next-20171120+ #46 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2937 [inline] prepare_alloc_pages mm/page_alloc.c:4176 [inline] __alloc_pages_nodemask+0x338/0xd80 mm/page_alloc.c:4215 __alloc_pages include/linux/gfp.h:456 [inline] __alloc_pages_node include/linux/gfp.h:469 [inline] kmem_getpages mm/slab.c:1414 [inline] cache_grow_begin+0x72/0x3f0 mm/slab.c:2672 cache_alloc_refill mm/slab.c:3039 [inline] ____cache_alloc mm/slab.c:3121 [inline] __do_cache_alloc mm/slab.c:3343 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x403/0x760 mm/slab.c:3546 getname_flags+0xcb/0x580 fs/namei.c:138 user_path_at_empty+0x2d/0x50 fs/namei.c:2599 user_path include/linux/namei.h:62 [inline] do_mount+0x15f/0x2bb0 fs/namespace.c:2782 SYSC_mount fs/namespace.c:3057 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3034 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f36f0389be8 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000020fb5ffc RSI: 0000000020eae000 RDI: 0000000020144000 RBP: 00007f36f0389a20 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b757e R13: 00007f36f0389b58 R14: 00000000004b758e R15: 0000000000000000 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 o*睴X: renamed from syz1 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22