libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
WARNING: CPU: 0 PID: 9220 at net/ceph/messenger.c:3073 clear_standby+0x12f/0x160 net/ceph/messenger.c:3073
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 9220 Comm: syz-executor5 Not tainted 5.0.0-rc3+ #40
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'tx-0' (000000006aec105d): kobject_uevent_env
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x48 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
kobject: 'tx-0' (000000006aec105d): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/tx-0'
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:clear_standby+0x12f/0x160 net/ceph/messenger.c:3073
Code: de e8 85 3a bb f9 48 85 db 0f 84 39 ff ff ff e8 d7 38 bb f9 0f 0b e9 2d ff ff ff e8 0b 2c ff f9 e9 67 ff ff ff e8 c1 38 bb f9 <0f> 0b eb a5 e8 18 2c ff f9 e9 f6 fe ff ff 4c 89 ef e8 0b 2c ff f9
RSP: 0018:ffff88804aa076d0 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff8880564a5c68 RCX: ffffc90010868000
RDX: 000000000000c32d RSI: ffffffff87c6c80f RDI: 0000000000000007
RBP: ffff88804aa076e8 R08: ffff88805653c280 R09: ffffed100ac94bbe
kobject: 'loop4' (000000008386d151): kobject_uevent_env
R10: ffff88804aa076e8 R11: ffff8880564a5def R12: 0000000000000001
R13: ffff8880564a5da0 R14: ffff88804aa07798 R15: ffff8880564a5de8
 ceph_con_send+0x450/0x610 net/ceph/messenger.c:3108
 __send_prepared_auth_request+0x155/0x1b0 net/ceph/mon_client.c:111
 __open_session+0x3d9/0x570 net/ceph/mon_client.c:199
 ceph_monc_open_session+0x1a2/0x360 net/ceph/mon_client.c:448
kobject: 'loop4' (000000008386d151): fill_kobj_path: path = '/devices/virtual/block/loop4'
 __ceph_open_session+0xe2/0x7e0 net/ceph/ceph_common.c:714
kobject: 'batman_adv' (00000000c5a235be): kobject_add_internal: parent: 'gretap0', set: '<NULL>'
 ceph_real_mount fs/ceph/super.c:913 [inline]
 ceph_mount+0x10d2/0x1c80 fs/ceph/super.c:1097
kobject: 'loop3' (000000004e8b635a): kobject_uevent_env
 mount_fs+0x123/0x43a fs/super.c:1258
 vfs_kern_mount.part.0+0xdb/0x570 fs/namespace.c:959
kobject: 'loop3' (000000004e8b635a): fill_kobj_path: path = '/devices/virtual/block/loop3'
 vfs_kern_mount fs/namespace.c:949 [inline]
 do_new_mount fs/namespace.c:2513 [inline]
 do_mount+0x58e/0x3330 fs/namespace.c:2847
 ksys_mount+0xdb/0x150 fs/namespace.c:3063
 __do_sys_mount fs/namespace.c:3077 [inline]
 __se_sys_mount fs/namespace.c:3074 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3074
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
kobject: 'erspan0' (000000003d5dbd9f): kobject_add_internal: parent: 'net', set: 'devices'
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458099
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
kobject: 'loop1' (000000003caa6312): kobject_uevent_env
RSP: 002b:00007fa54dcbbc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000458099
RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa54dcbc6d4
R13: 00000000004c3df1 R14: 00000000004d6da8 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..