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: 5877 at net/ceph/messenger.c:3101 clear_standby+0x12f/0x160 net/ceph/messenger.c:3101 Kernel panic - not syncing: panic_on_warn set ... kobject: 'ceph-18' (00000000ea89bbc2): kobject_uevent_env CPU: 0 PID: 5877 Comm: syz-executor386 Not tainted 4.19.0-rc6+ #267 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+0x1c4/0x2b4 lib/dump_stack.c:113 kobject: 'ceph-18' (00000000ea89bbc2): fill_kobj_path: path = '/devices/virtual/bdi/ceph-18' panic+0x238/0x4e7 kernel/panic.c:184 libceph: connect [d::]:6789 error -99 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x254/0x2d0 lib/bug.c:186 libceph: mon0 [d::]:6789 connect error fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 RIP: 0010:clear_standby+0x12f/0x160 net/ceph/messenger.c:3101 Code: de e8 a5 22 f0 f9 48 85 db 0f 84 39 ff ff ff e8 67 21 f0 f9 0f 0b e9 2d ff ff ff e8 db 81 33 fa e9 67 ff ff ff e8 51 21 f0 f9 <0f> 0b eb a5 e8 e8 81 33 fa e9 f6 fe ff ff 4c 89 ef e8 db 81 33 fa RSP: 0018:ffff8801bdd37640 EFLAGS: 00010293 RAX: ffff8801d34b4280 RBX: ffff8801d37e91e8 RCX: ffffffff878e93d3 RDX: 0000000000000000 RSI: ffffffff878e942f RDI: 0000000000000007 RBP: ffff8801bdd37658 R08: ffff8801d34b4280 R09: ffffed003a6fd26d R10: ffff8801bdd37658 R11: ffff8801d37e936f R12: 0000000000000001 R13: ffff8801d37e9320 R14: ffff8801d7d0ab90 R15: ffff8801bdd37728 ceph_con_send+0x460/0x600 net/ceph/messenger.c:3136 __send_prepared_auth_request+0x155/0x1b0 net/ceph/mon_client.c:111 __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:900 [inline] ceph_mount+0x11de/0x1b80 fs/ceph/super.c:1084 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:2457 [inline] do_mount+0x581/0x31f0 fs/namespace.c:2787 ksys_mount+0x12d/0x140 fs/namespace.c:3003 __do_sys_mount fs/namespace.c:3017 [inline] __se_sys_mount fs/namespace.c:3014 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3014 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:00007fffb9b6e7c8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000441049 RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040 RBP: 0000000000010675 R08: 0000000020000140 R09: 0000000000000009 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..