------------[ cut here ]------------
con->v1.connect_seq != le32_to_cpu(con->v1.in_reply.connect_seq)
WARNING: net/ceph/messenger_v1.c:901 at process_connect net/ceph/messenger_v1.c:901 [inline], CPU#0: kworker/0:2/1031
WARNING: net/ceph/messenger_v1.c:901 at ceph_con_v1_try_read+0x447d/0x6ca0 net/ceph/messenger_v1.c:1366, CPU#0: kworker/0:2/1031
Modules linked in:
CPU: 0 UID: 0 PID: 1031 Comm: kworker/0:2 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: ceph-msgr ceph_con_workfn
RIP: 0010:process_connect net/ceph/messenger_v1.c:901 [inline]
RIP: 0010:ceph_con_v1_try_read+0x447d/0x6ca0 net/ceph/messenger_v1.c:1366
Code: f6 84 db 0f 84 1b ee ff ff e9 fc a6 e1 f5 e8 fa 4f 78 f6 90 0f 0b 90 e9 9f db ff ff e8 ec 4f 78 f6 90 0f 0b e8 e4 4f 78 f6 90 <0f> 0b 90 e9 84 e5 ff ff e8 d6 4f 78 f6 90 0f 0b e8 ce 4f 78 f6 90
RSP: 0000:ffffc900031a79e8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807228888b RCX: 0000000000000000
RDX: ffff88802534cb00 RSI: ffffffff8b9311ec RDI: ffff88802534cb00
RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888072288950 R14: ffff888072288418 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888096960000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f543aff4 CR3: 000000006e4e5000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ceph_con_workfn+0x9a5/0x13e0 net/ceph/messenger.c:1576
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
 process_scheduled_works kernel/workqueue.c:3479 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>