------------[ cut here ]------------
WARNING: CPU: 1 PID: 23 at lib/radix-tree.c:572 delete_node+0x223/0x8d0 lib/radix-tree.c:572
Modules linked in:
CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 6.15.0-rc4-syzkaller-00042-gb6ea1680d0ac #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:delete_node+0x223/0x8d0 lib/radix-tree.c:572
Code: 5f 3a f6 41 bc 01 00 00 00 e8 a9 72 53 f6 44 89 e0 48 83 c4 28 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 8e 72 53 f6 90 <0f> 0b 90 e8 85 72 53 f6 48 c7 c6 80 a8 67 8b 4c 89 e7 e8 56 5f 3a
RSP: 0018:ffffc900001d7ac8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88807ea0d118 RCX: ffffffff8b67bde3
RDX: ffff88801daec880 RSI: ffffffff8b67be72 RDI: ffff88807ea0d160
RBP: ffff88805c383440 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000000 R12: ffff88805c383458
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000004000004
FS: 0000000000000000(0000) GS:ffff888124ae2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ec05ff8 CR3: 0000000060b5a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__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:2568 [inline]
rcu_core+0x799/0x14e0 kernel/rcu/tree.c:2824
handle_softirqs+0x216/0x8e0 kernel/softirq.c:579
run_ksoftirqd kernel/softirq.c:968 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:960
smpboot_thread_fn+0x3f4/0xae0 kernel/smpboot.c:164
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>