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ODEBUG: activate active (active state 0) object: ffff88805511c018 object type: rcu_head hint: 0x0
WARNING: CPU: 1 PID: 9043 at lib/debugobjects.c:612 debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Modules linked in:
CPU: 1 UID: 0 PID: 9043 Comm: syz.2.658 Not tainted 6.16.0-rc1-syzkaller-00236-g8c6bc74c7f89 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 54 41 56 48 8b 14 dd 00 8a 15 8c 4c 89 e6 48 c7 c7 80 7e 15 8c e8 bf 33 99 fc 90 <0f> 0b 90 90 58 83 05 56 99 c6 0b 01 48 83 c4 18 5b 5d 41 5c 41 5d
RSP: 0018:ffffc90000a08ad8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff817ae248
RDX: ffff888078870000 RSI: ffffffff817ae255 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8c1584a0
R13: ffffffff8baeb4a0 R14: 0000000000000000 R15: ffffc90000a08b98
FS:  00007f0cf3bbd6c0(0000) GS:ffff888124853000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40c7df6d58 CR3: 000000005c512000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 debug_object_activate+0x2bc/0x4c0 lib/debugobjects.c:842
 debug_rcu_head_queue kernel/rcu/rcu.h:236 [inline]
 __call_rcu_common.constprop.0+0x2c/0x9f0 kernel/rcu/tree.c:3075
 radix_tree_node_free lib/radix-tree.c:310 [inline]
 delete_node+0x1fc/0x8d0 lib/radix-tree.c:573
 __radix_tree_delete+0x193/0x3d0 lib/radix-tree.c:1379
 radix_tree_delete_item+0xea/0x230 lib/radix-tree.c:1430
 afs_cell_destroy+0x1db/0x310 fs/afs/cell.c:522
 rcu_do_batch kernel/rcu/tree.c:2576 [inline]
 rcu_core+0x799/0x14e0 kernel/rcu/tree.c:2832
 handle_softirqs+0x216/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:109 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:lock_is_held_type+0x54/0x150 kernel/locking/lockdep.c:5939
Code: 01 4d 08 85 c0 0f 85 ce 00 00 00 65 4c 8b 25 eb bf 4c 08 41 8b 94 24 ec 0a 00 00 85 d2 0f 85 b6 00 00 00 48 89 fd 41 89 f6 9c <8f> 04 24 fa 48 c7 c7 b2 bd f0 8d 4d 8d ac 24 f0 0a 00 00 45 31 ff
RSP: 0018:ffffc9000cf3f640 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff920019e7ed3 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8e5c4780
RBP: ffffffff8e5c4780 R08: ffffffff8a260100 R09: 0000000000000000
R10: ffffc9000cf3f870 R11: 0000000000000001 R12: ffff888078870000
R13: 00000000ffffffff R14: 00000000ffffffff R15: 1ffff920019e7eec
 lock_is_held include/linux/lockdep.h:249 [inline]
 __might_resched+0x4ca/0x5e0 kernel/sched/core.c:8762
 __mutex_lock_common kernel/locking/mutex.c:579 [inline]
 __mutex_lock+0x106/0xb90 kernel/locking/mutex.c:747
 __unix_dgram_recvmsg+0x250/0xc50 net/unix/af_unix.c:2500
 unix_dgram_recvmsg+0xd0/0x110 net/unix/af_unix.c:2605
 sock_recvmsg_nosec net/socket.c:1017 [inline]
 ____sys_recvmsg+0x5f6/0x6b0 net/socket.c:2784
 ___sys_recvmsg+0x114/0x1a0 net/socket.c:2828
 do_recvmmsg+0x2fe/0x750 net/socket.c:2923
 __sys_recvmmsg net/socket.c:2997 [inline]
 __do_sys_recvmmsg net/socket.c:3020 [inline]
 __se_sys_recvmmsg net/socket.c:3013 [inline]
 __x64_sys_recvmmsg+0x22a/0x280 net/socket.c:3013
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0cf2d8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0cf3bbd038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f0cf2fb6080 RCX: 00007f0cf2d8e929
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000007
RBP: 00007f0cf2e10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0cf2fb6080 R15: 00007ffca2db7618
 </TASK>
----------------
Code disassembly (best guess):
   0:	01 4d 08             	add    %ecx,0x8(%rbp)
   3:	85 c0                	test   %eax,%eax
   5:	0f 85 ce 00 00 00    	jne    0xd9
   b:	65 4c 8b 25 eb bf 4c 	mov    %gs:0x84cbfeb(%rip),%r12        # 0x84cbffe
  12:	08
  13:	41 8b 94 24 ec 0a 00 	mov    0xaec(%r12),%edx
  1a:	00
  1b:	85 d2                	test   %edx,%edx
  1d:	0f 85 b6 00 00 00    	jne    0xd9
  23:	48 89 fd             	mov    %rdi,%rbp
  26:	41 89 f6             	mov    %esi,%r14d
  29:	9c                   	pushf
* 2a:	8f 04 24             	pop    (%rsp) <-- trapping instruction
  2d:	fa                   	cli
  2e:	48 c7 c7 b2 bd f0 8d 	mov    $0xffffffff8df0bdb2,%rdi
  35:	4d 8d ac 24 f0 0a 00 	lea    0xaf0(%r12),%r13
  3c:	00
  3d:	45 31 ff             	xor    %r15d,%r15d