------------[ cut here ]------------
ODEBUG: activate active (active state 1) object: ffff888106372840 object type: rcu_head hint: 0x0
WARNING: CPU: 1 PID: 3049 at lib/debugobjects.c:517 debug_print_object lib/debugobjects.c:514 [inline]
WARNING: CPU: 1 PID: 3049 at lib/debugobjects.c:517 debug_object_activate+0x212/0x280 lib/debugobjects.c:732
Modules linked in:
CPU: 1 PID: 3049 Comm: syz-executor.0 Not tainted 6.8.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:debug_print_object lib/debugobjects.c:514 [inline]
RIP: 0010:debug_object_activate+0x212/0x280 lib/debugobjects.c:732
Code: e9 48 8b 14 cd 70 ae 56 83 4c 8b 4d 00 48 c7 c7 a6 46 f1 83 48 c7 c6 b5 ed f2 83 8b 4c 24 04 50 e8 53 e9 36 ff 48 83 c4 08 90 <0f> 0b 90 90 ff 05 34 52 92 02 bd ea ff ff ff 41 83 fd 05 74 06 41
RSP: 0018:ffffc90003b87cf0 EFLAGS: 00010296
RAX: 4a7bfe38bd410600 RBX: ffff888106372840 RCX: 0000000000000003
RDX: 0000000000000000 RSI: c0000000ffffdfff RDI: 00000000ffffffff
RBP: ffffffff83418d60 R08: 0000000000000000 R09: ffffffff842cd7e0
R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffff888106372840
R13: 0000000000000003 R14: ffffffff83418d60 R15: ffffffff860ad030
FS:  00007f1e01dea6c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1e01dead58 CR3: 000000010a220000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 debug_rcu_head_queue kernel/rcu/rcu.h:227 [inline]
 __call_rcu_common kernel/rcu/tree.c:2668 [inline]
 call_rcu+0x3f/0x390 kernel/rcu/tree.c:2797
 put_super fs/super.c:429 [inline]
 bdev_super_lock+0xcd/0x150 fs/super.c:1389
 fs_bdev_mark_dead+0xf/0x70 fs/super.c:1406
 bdev_mark_dead+0x3d/0xb0 block/bdev.c:1144
 disk_force_media_change+0x7c/0xb0 block/disk-events.c:298
 nbd_clear_sock_ioctl drivers/block/nbd.c:1457 [inline]
 __nbd_ioctl drivers/block/nbd.c:1484 [inline]
 nbd_ioctl+0x1b2/0x530 drivers/block/nbd.c:1544
 blkdev_ioctl+0x253/0x2b0 block/ioctl.c:636
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0x6e/0xc0 fs/ioctl.c:857
 do_syscall_64+0xe6/0x230
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f1e0107de69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1e01dea0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f1e011ac050 RCX: 00007f1e0107de69
RDX: 0000000000000003 RSI: 000000000000ab04 RDI: 0000000000000004
RBP: 00007f1e010ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f1e011ac050 R15: 00007ffd90b3d958
 </TASK>