------------[ cut here ]------------
WARNING: CPU: 1 PID: 4231 at net/netfilter/nft_set_pipapo.c:2297 nft_pipapo_destroy+0x8b0/0x960 net/netfilter/nft_set_pipapo.c:2297
Modules linked in:
CPU: 1 PID: 4231 Comm: kworker/1:4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events nf_tables_trans_destroy_work
RIP: 0010:nft_pipapo_destroy+0x8b0/0x960 net/netfilter/nft_set_pipapo.c:2297
Code: 24 80 3c 18 00 74 08 4c 89 f7 e8 9b 89 81 f9 49 c7 06 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c0 64 3c f9 <0f> 0b e9 ad f7 ff ff 48 c7 c1 f0 1a 8b 8d 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90002e8fa68 EFLAGS: 00010293
RAX: ffffffff883c98d0 RBX: ffff8880605904f0 RCX: ffff88802bc08000
RDX: 0000000000000000 RSI: ffff888060590400 RDI: ffff888072f9d528
RBP: ffffc90002e8fc30 R08: ffff88802bc08000 R09: 0000000000000008
R10: 0000000000000018 R11: 0000000000000000 R12: ffff8880605904c0
R13: dffffc0000000000 R14: ffff888060590510 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f601070e000 CR3: 0000000079054000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nft_set_destroy+0x488/0xa30 net/netfilter/nf_tables_api.c:4972
 nft_commit_release net/netfilter/nf_tables_api.c:8872 [inline]
 nf_tables_trans_destroy_work+0xc5d/0xf00 net/netfilter/nf_tables_api.c:8912
 process_one_work+0x867/0xff0 kernel/workqueue.c:2310
 worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>