libceph: mon0 [d::]:6789 connect error
libceph: connect [d::]:6789 error -99
libceph: mon0 [d::]:6789 connect error
libceph: connect [d::]:6789 error -99
libceph: mon0 [d::]:6789 connect error
WARNING: CPU: 0 PID: 6285 at net/ceph/messenger.c:3080 clear_standby+0x12f/0x160 net/ceph/messenger.c:3080
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 6285 Comm: syz-executor766 Not tainted 4.20.0-rc2+ #112
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'ceph-27' (000000008f2b011b): kobject_add_internal: parent: 'bdi', set: 'devices'
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 panic+0x2ad/0x55c kernel/panic.c:188
kobject: 'ceph-27' (000000008f2b011b): kobject_uevent_env
 __warn.cold.8+0x20/0x45 kernel/panic.c:540
kobject: 'ceph-27' (000000008f2b011b): fill_kobj_path: path = '/devices/virtual/bdi/ceph-27'
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969
RIP: 0010:clear_standby+0x12f/0x160 net/ceph/messenger.c:3080
Code: de e8 e5 5c d2 f9 48 85 db 0f 84 39 ff ff ff e8 a7 5b d2 f9 0f 0b e9 2d ff ff ff e8 bb a8 15 fa e9 67 ff ff ff e8 91 5b d2 f9 <0f> 0b eb a5 e8 c8 a8 15 fa e9 f6 fe ff ff 4c 89 ef e8 bb a8 15 fa
RSP: 0018:ffff8881c1597640 EFLAGS: 00010293
RAX: ffff8881ce34e2c0 RBX: ffff8881cbcd1968 RCX: ffffffff87ad2bf3
RDX: 0000000000000000 RSI: ffffffff87ad2c4f RDI: 0000000000000007
RBP: ffff8881c1597658 R08: ffff8881ce34e2c0 R09: ffffed103979a35d
libceph: connect [d::]:6789 error -99
R10: ffff8881c1597658 R11: ffff8881cbcd1aef R12: 0000000000000001
R13: ffff8881cbcd1aa0 R14: ffff8881c114be30 R15: ffff8881c1597728
 ceph_con_send+0x460/0x600 net/ceph/messenger.c:3115
 __send_prepared_auth_request+0x155/0x1b0 net/ceph/mon_client.c:111
libceph: mon0 [d::]:6789 connect error
 __open_session+0x3cd/0x550 net/ceph/mon_client.c:199
 ceph_monc_open_session+0x193/0x350 net/ceph/mon_client.c:448
 __ceph_open_session+0xe2/0x810 net/ceph/ceph_common.c:705
 ceph_real_mount fs/ceph/super.c:913 [inline]
 ceph_mount+0x11c5/0x1b30 fs/ceph/super.c:1097
 mount_fs+0xae/0x31d fs/super.c:1261
 vfs_kern_mount.part.35+0xdc/0x4f0 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x581/0x31f0 fs/namespace.c:2801
 ksys_mount+0x12d/0x140 fs/namespace.c:3017
 __do_sys_mount fs/namespace.c:3031 [inline]
 __se_sys_mount fs/namespace.c:3028 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3028
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441049
Code: e8 6c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc45d4b028 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000441049
RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040
RBP: 000000000000f0aa R08: 0000000020000140 R09: 0000000000000009
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..