WARNING: CPU: 0 PID: 8036 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: 8036 Comm: syz-executor588 Not tainted 5.0.0-rc1-next-20190108 #7
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+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
 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 05 6c ba f9 48 85 db 0f 84 39 ff ff ff e8 57 6a ba f9 0f 0b e9 2d ff ff ff e8 db bc fe f9 e9 67 ff ff ff e8 41 6a ba f9 <0f> 0b eb a5 e8 e8 bc fe f9 e9 f6 fe ff ff 4c 89 ef e8 db bc fe f9
RSP: 0018:ffff8880863077d8 EFLAGS: 00010293
RAX: ffff8880a668e3c0 RBX: ffff8880a5edca68 RCX: ffffffff87c7adf3
RDX: 0000000000000000 RSI: ffffffff87c7ae4f RDI: 0000000000000007
RBP: ffff8880863077f0 R08: ffff8880a668e3c0 R09: ffffed1014bdb97e
R10: ffff8880863077f0 R11: ffff8880a5edcbef R12: 0000000000000001
R13: ffff8880a5edcba0 R14: ffff8880863078a0 R15: ffff8880a5edcbe8
 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
 __ceph_open_session+0xe2/0x7e0 net/ceph/ceph_common.c:714
 ceph_real_mount fs/ceph/super.c:913 [inline]
 ceph_mount+0x10d2/0x1c80 fs/ceph/super.c:1097
 legacy_get_tree+0xf2/0x200 fs/fs_context.c:590
 vfs_get_tree+0x123/0x450 fs/super.c:1481
 do_new_mount fs/namespace.c:2610 [inline]
 do_mount+0x1622/0x2fa0 fs/namespace.c:2932
 ksys_mount+0xdb/0x150 fs/namespace.c:3148
 __do_sys_mount fs/namespace.c:3162 [inline]
 __se_sys_mount fs/namespace.c:3159 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3159
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x443fe9
Code: e8 bc 0a 03 00 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffdadcd0f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000443fe9
RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040
RBP: 0000000000000000 R08: 00000000200000c0 R09: 000000000000000f
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000f
R13: 00000000000217b1 R14: 00007ffdadcd1250 R15: 000000aaaaaaaaaa
Kernel Offset: disabled
Rebooting in 86400 seconds..