libceph: resolve 'GCŸ.1.0.1;6789' (ret=-3): failed
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kernel BUG at net/ceph/mon_client.c:211!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 6569 Comm: syz.4.192 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
RIP: 0010:pick_new_mon net/ceph/mon_client.c:211 [inline]
RIP: 0010:__open_session+0x60f/0x740 net/ceph/mon_client.c:245
Code: f6 44 89 e7 e8 b2 c9 1d fa 89 c5 e9 2b fb ff ff e8 16 42 6b f6 c7 83 b4 09 00 00 0a 00 00 00 e9 22 fc ff ff e8 02 42 6b f6 90 <0f> 0b e8 7a 54 e4 f6 e9 7b fa ff ff 4c 89 f7 e8 6d 54 e4 f6 e9 16
RSP: 0018:ffffc90003b67be0 EFLAGS: 00010283
RAX: 0000000000005c19 RBX: ffff888037844290 RCX: ffffc90006574000
RDX: 0000000000080000 RSI: ffffffff8ba2c90e RDI: ffff888039134b00
RBP: ffff888027aba880 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 00000000ffffffff R14: ffff888037844400 R15: ffff888037844298
FS:  00007fbdf959c6c0(0000) GS:ffff8881225ba000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c430a09 CR3: 0000000038523000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ceph_monc_open_session+0x46/0x60 net/ceph/mon_client.c:534
 __ceph_open_session+0x135/0x5f0 net/ceph/ceph_common.c:798
 ceph_real_mount fs/ceph/super.c:1173 [inline]
 ceph_get_tree+0xd98/0x1fd0 fs/ceph/super.c:1362
 vfs_get_tree+0x92/0x320 fs/super.c:1943
 vfs_cmd_create+0xd7/0x2a0 fs/fsopen.c:234
 vfs_fsconfig_locked fs/fsopen.c:298 [inline]
 __do_sys_fsconfig+0x55a/0xcb0 fs/fsopen.c:466
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbdf879f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbdf959c028 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007fbdf8a25fa0 RCX: 00007fbdf879f559
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003
RBP: 00007fbdf8836b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbdf8a26038 R14: 00007fbdf8a25fa0 R15: 00007ffc42a46be8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pick_new_mon net/ceph/mon_client.c:211 [inline]
RIP: 0010:__open_session+0x60f/0x740 net/ceph/mon_client.c:245
Code: f6 44 89 e7 e8 b2 c9 1d fa 89 c5 e9 2b fb ff ff e8 16 42 6b f6 c7 83 b4 09 00 00 0a 00 00 00 e9 22 fc ff ff e8 02 42 6b f6 90 <0f> 0b e8 7a 54 e4 f6 e9 7b fa ff ff 4c 89 f7 e8 6d 54 e4 f6 e9 16
RSP: 0018:ffffc90003b67be0 EFLAGS: 00010283
RAX: 0000000000005c19 RBX: ffff888037844290 RCX: ffffc90006574000
RDX: 0000000000080000 RSI: ffffffff8ba2c90e RDI: ffff888039134b00
RBP: ffff888027aba880 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 00000000ffffffff R14: ffff888037844400 R15: ffff888037844298
FS:  00007fbdf959c6c0(0000) GS:ffff8881225ba000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4c391ecc40 CR3: 0000000038523000 CR4: 00000000003526f0