------------[ cut here ]------------
WARNING: CPU: 1 PID: 4550 at net/ceph/messenger_v2.c:2940 populate_in_iter net/ceph/messenger_v2.c:2940 [inline]
WARNING: CPU: 1 PID: 4550 at net/ceph/messenger_v2.c:2940 ceph_con_v2_try_read+0x71c6/0x7330 net/ceph/messenger_v2.c:2970
Modules linked in:
CPU: 1 PID: 4550 Comm: kworker/1:8 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:populate_in_iter net/ceph/messenger_v2.c:2940 [inline]
RIP: 0010:ceph_con_v2_try_read+0x71c6/0x7330 net/ceph/messenger_v2.c:2970
Code: 41 5c 41 5d 41 5e 41 5f 5d c3 e8 35 89 8e f7 48 c7 c7 a0 97 ad 8b 44 89 f6 e8 76 10 5a f7 0f 0b e9 45 ff ff ff e8 1a 89 8e f7 <0f> 0b 41 bd c3 ff ff ff e9 39 ff ff ff e8 08 89 8e f7 0f 0b 41 bd
RSP: 0018:ffffc90004da76c0 EFLAGS: 00010293
RAX: ffffffff89f3b876 RBX: dffffc0000000000 RCX: ffff88802582da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004da7bb8 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000006 R11: 0000000000000000 R12: fffff520009b4f24
R13: 1ffff1100f5ea0e7 R14: 0000000000000000 R15: ffff88807af506c0
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe740e94d58 CR3: 0000000057c30000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ceph_con_workfn+0x1ed/0x1110 net/ceph/messenger.c:1503
 process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaf5/0x12a0 kernel/workqueue.c:2439
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>