ceph: No mds server is up or the cluster is laggy
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task syz-executor.1:26941 blocked for more than 140 seconds.
      Not tainted 4.19.200-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1  D29408 26941   8124 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
 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485
 __fuse_request_send+0x123/0x1c0 fs/fuse/dev.c:505
 fuse_simple_request+0x2e6/0x820 fs/fuse/dev.c:576
 fuse_do_getattr+0x230/0xc50 fs/fuse/dir.c:927
 fuse_update_get_attr fs/fuse/dir.c:960 [inline]
 fuse_getattr+0x261/0x2e0 fs/fuse/dir.c:1838
 vfs_getattr_nosec+0xff/0x160 fs/stat.c:79
 vfs_getattr fs/stat.c:116 [inline]
 vfs_statx+0x15a/0x210 fs/stat.c:189
 vfs_stat include/linux/fs.h:3132 [inline]
 __do_sys_newstat fs/stat.c:337 [inline]
 __se_sys_newstat+0x96/0x120 fs/stat.c:333
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665e9
Code: Bad RIP value.
RSP: 002b:00007fb5e9f69188 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020001c80
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c038
R13: 00007ffdb685af4f R14: 00007fb5e9f69300 R15: 0000000000022000
INFO: task syz-executor.1:26994 blocked for more than 140 seconds.
      Not tainted 4.19.200-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1  D29504 26994   8124 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
 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485
 __fuse_request_send+0x123/0x1c0 fs/fuse/dev.c:505
 fuse_simple_request+0x2e6/0x820 fs/fuse/dev.c:576
 fuse_do_getattr+0x230/0xc50 fs/fuse/dir.c:927
 fuse_update_get_attr fs/fuse/dir.c:960 [inline]
 fuse_getattr+0x261/0x2e0 fs/fuse/dir.c:1838
 vfs_getattr_nosec+0xff/0x160 fs/stat.c:79
 vfs_getattr fs/stat.c:116 [inline]
 vfs_statx+0x15a/0x210 fs/stat.c:189
 vfs_stat include/linux/fs.h:3132 [inline]
 __do_sys_newstat fs/stat.c:337 [inline]
 __se_sys_newstat+0x96/0x120 fs/stat.c:333
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665e9
Code: Bad RIP value.
RSP: 002b:00007fb5e9ec4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 000000000056c3d0 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020001bc0
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c3d0
R13: 00007ffdb685af4f R14: 00007fb5e9ec4300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/1570:
 #0: 000000004114f9cf (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
1 lock held by in:imklog/7800:
 #0: 00000000459e5db5 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
2 locks held by rs:main Q:Reg/7802:
2 locks held by agetty/7819:
 #0: 00000000c70e9779 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272
 #1: 00000000df7e2b0a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.200-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
 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
 watchdog+0x991/0xe60 kernel/hung_task.c:287
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7802 Comm: rs:main Q:Reg Not tainted 4.19.200-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rcu_sync_lockdep_assert+0x2f/0xa0 kernel/rcu/sync.c:68
Code: 97 e6 ff ff 85 c0 74 60 80 3d 8b ca bd 09 00 75 57 48 8d 7b 68 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 <84> c0 74 04 3c 03 7e 58 48 b8 00 00 00 00 00 fc ff df 8b 5b 68 48
RSP: 0018:ffff888091427e10 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffff888235bec478 RCX: 0000000000000001
RDX: 1ffff11046b7d89c RSI: 0000000000000002 RDI: ffff888235bec4e0
RBP: ffff888235bec140 R08: 0000000000000000 R09: 0000000000008000
R10: 0000000000000003 R11: 0000000000000000 R12: ffff88808ffc3930
R13: ffff8880a955aa50 R14: 00000000000003d0 R15: ffff8880a955aa60
FS:  00007f4f61377700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d20a57000 CR3: 00000000b3535000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rcu_sync_is_idle include/linux/rcu_sync.h:56 [inline]
 percpu_up_read_preempt_enable include/linux/percpu-rwsem.h:96 [inline]
 percpu_up_read include/linux/percpu-rwsem.h:108 [inline]
 __sb_end_write+0x2e/0x100 fs/super.c:1353
 file_end_write include/linux/fs.h:2793 [inline]
 vfs_write+0x3d7/0x540 fs/read_write.c:555
 ksys_write+0x12b/0x2a0 fs/read_write.c:599
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f4f63dbb1cd
Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007f4f61376590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4f58021930 RCX: 00007f4f63dbb1cd
RDX: 00000000000003d0 RSI: 00007f4f58021930 RDI: 0000000000000006
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f4f580216b0
R13: 00007f4f613765b0 R14: 000055ed74dcd360 R15: 00000000000003d0