libceph: resolve '1' (ret=-3): failed ------------[ cut here ]------------ kernel BUG at net/ceph/mon_client.c:211! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 2 UID: 0 PID: 7757 Comm: syz.5.530 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 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 c2 be 1c fa 89 c5 e9 2b fb ff ff e8 a6 d3 69 f6 c7 83 b4 09 00 00 0a 00 00 00 e9 22 fc ff ff e8 92 d3 69 f6 90 <0f> 0b e8 0a e6 e2 f6 e9 7b fa ff ff 4c 89 f7 e8 fd e5 e2 f6 e9 16 RSP: 0018:ffffc9000f9d7be0 EFLAGS: 00010283 RAX: 0000000000006a0e RBX: ffff888036094290 RCX: ffffc90006461000 RDX: 0000000000080000 RSI: ffffffff8ba4477e RDI: ffff888033f48000 RBP: ffff88803e2634c0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000ffffffff R14: ffff888036094400 R15: ffff888036094298 FS: 00007f38fa8336c0(0000) GS:ffff8880d46ac000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2dc278a6c0 CR3: 000000005652a000 CR4: 0000000000352ef0 Call Trace: 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: 0033:0x7f38f999f559 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:00007f38fa833028 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007f38f9c25fa0 RCX: 00007f38f999f559 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004 RBP: 00007f38f9a36b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f38f9c26038 R14: 00007f38f9c25fa0 R15: 00007ffea9e46b58 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 c2 be 1c fa 89 c5 e9 2b fb ff ff e8 a6 d3 69 f6 c7 83 b4 09 00 00 0a 00 00 00 e9 22 fc ff ff e8 92 d3 69 f6 90 <0f> 0b e8 0a e6 e2 f6 e9 7b fa ff ff 4c 89 f7 e8 fd e5 e2 f6 e9 16 RSP: 0018:ffffc9000f9d7be0 EFLAGS: 00010283 RAX: 0000000000006a0e RBX: ffff888036094290 RCX: ffffc90006461000 RDX: 0000000000080000 RSI: ffffffff8ba4477e RDI: ffff888033f48000 RBP: ffff88803e2634c0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000ffffffff R14: ffff888036094400 R15: ffff888036094298 FS: 00007f38fa8336c0(0000) GS:ffff8880d47ac000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2dc27ecc40 CR3: 000000005652a000 CR4: 0000000000352ef0