------------[ cut here ]------------
WARNING: CPU: 1 PID: 6452 at net/netfilter/nft_set_pipapo.c:2389 nft_pipapo_destroy+0x84b/0x8b0 net/netfilter/nft_set_pipapo.c:2389
Modules linked in:
CPU: 1 PID: 6452 Comm: kworker/1:8 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Workqueue: events nf_tables_trans_destroy_work
RIP: 0010:nft_pipapo_destroy+0x84b/0x8b0 net/netfilter/nft_set_pipapo.c:2389
Code: 00 00 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 f9 c6 a5 f8 e9 d3 f9 ff ff e8 ef c6 a5 f8 e9 6c fe ff ff e8 e5 c6 a5 f8 <0f> 0b e9 16 f8 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c e3 f9
RSP: 0018:ffffc9000c4a79d8 EFLAGS: 00010293
RAX: ffffffff88e217bb RBX: ffff88805bea24f0 RCX: ffff888025128000
RDX: 0000000000000000 RSI: ffff88805bea2400 RDI: ffff88805bce4428
RBP: ffffc9000c4a7bb0 R08: ffff888025128000 R09: 000000000000000f
R10: 0000000000000020 R11: 0000000000000000 R12: ffff88805bea24c0
R13: dffffc0000000000 R14: ffff88805bea2510 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f8b199ff8 CR3: 000000000df32000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 nft_set_destroy+0x489/0xa20 net/netfilter/nf_tables_api.c:5366
 nft_commit_release net/netfilter/nf_tables_api.c:9499 [inline]
 nf_tables_trans_destroy_work+0xb2d/0x10a0 net/netfilter/nf_tables_api.c:9542
 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>