------------[ cut here ]------------
WARNING: CPU: 1 PID: 1324 at net/ceph/messenger_v1.c:912 process_connect net/ceph/messenger_v1.c:911 [inline]
WARNING: CPU: 1 PID: 1324 at net/ceph/messenger_v1.c:912 ceph_con_v1_try_read+0x3166/0x6440 net/ceph/messenger_v1.c:1252
Modules linked in:
CPU: 1 PID: 1324 Comm: kworker/1:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: ceph-msgr ceph_con_workfn
RIP: 0010:process_connect net/ceph/messenger_v1.c:911 [inline]
RIP: 0010:ceph_con_v1_try_read+0x3166/0x6440 net/ceph/messenger_v1.c:1252
Code: e8 af f9 eb f7 45 31 ff e9 d9 d2 ff ff e8 a2 f9 eb f7 0f 0b e9 6a d5 ff ff e8 96 f9 eb f7 0f 0b e9 7e e7 ff ff e8 8a f9 eb f7 <0f> 0b e9 82 e8 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c d0 d2 ff
RSP: 0018:ffffc900052b7240 EFLAGS: 00010293
RAX: ffffffff898d0326 RBX: 0000000000000001 RCX: ffff8880239a9dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900052b7bb8 R08: ffff8880239a9dc0 R09: 0000000000000009
R10: 000000000000000d R11: 0000000000000000 R12: ffff88807b0a88b8
R13: fffff52000a56e84 R14: dffffc0000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff57daf5700 CR3: 000000007ea71000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ceph_con_workfn+0x201/0x1110 net/ceph/messenger.c:1530
 process_one_work+0x867/0xff0 kernel/workqueue.c:2310
 worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>