------------[ cut here ]------------
WARNING: CPU: 1 PID: 5840 at include/linux/ceph/decode.h:238 ceph_decode_banner_addr include/linux/ceph/decode.h:238 [inline]
WARNING: CPU: 1 PID: 5840 at include/linux/ceph/decode.h:238 read_partial_banner net/ceph/messenger_v1.c:636 [inline]
WARNING: CPU: 1 PID: 5840 at include/linux/ceph/decode.h:238 ceph_con_v1_try_read+0x5c08/0x6400 net/ceph/messenger_v1.c:1343
Modules linked in:
CPU: 1 PID: 5840 Comm: kworker/1:5 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:ceph_decode_banner_addr include/linux/ceph/decode.h:238 [inline]
RIP: 0010:read_partial_banner net/ceph/messenger_v1.c:636 [inline]
RIP: 0010:ceph_con_v1_try_read+0x5c08/0x6400 net/ceph/messenger_v1.c:1343
Code: c4 08 49 8d 5d 30 48 89 d8 48 c1 e8 03 42 80 3c 38 00 0f 84 95 01 00 00 48 89 df e8 c2 ba 90 f7 e9 88 01 00 00 e8 98 38 38 f7 <0f> 0b e9 65 f4 ff ff e8 8c 38 38 f7 48 c7 c7 40 46 e6 8b 44 89 fe
RSP: 0018:ffffc900048871c0 EFLAGS: 00010293
RAX: ffffffff8a4f49d8 RBX: dffffc0000000000 RCX: ffff88802962da00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002
RBP: ffffc90004887b38 R08: ffffc9000488700f R09: 0000000000000000
R10: ffffc90004887000 R11: fffff52000910e02 R12: 0000000000000002
R13: 0000000000000200 R14: fffff52000910e74 R15: ffff888025c3477a
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2e6fdf CR3: 00000000770e2000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 ceph_con_workfn+0x205/0x1250 net/ceph/messenger.c:1576
 process_one_work kernel/workqueue.c:2657 [inline]
 process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2734
 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>