------------[ cut here ]------------
WARNING: CPU: 0 PID: 14546 at net/netfilter/nft_set_pipapo.c:2389 nft_pipapo_destroy+0x84b/0x8b0 net/netfilter/nft_set_pipapo.c:2389
Modules linked in:
CPU: 0 PID: 14546 Comm: kworker/0:13 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+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 b9 7a ab f8 e9 d3 f9 ff ff e8 af 7a ab f8 e9 6c fe ff ff e8 a5 7a ab 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:ffffc90004c5f9d8 EFLAGS: 00010293
RAX: ffffffff88dbf7cb RBX: ffff8880646344f0 RCX: ffff88801fef9e00
RDX: 0000000000000000 RSI: ffff888064634400 RDI: ffff888030297628
RBP: ffffc90004c5fbb0 R08: ffff88801fef9e00 R09: 000000000000000f
R10: 0000000000000020 R11: 0000000000000000 R12: ffff8880646344c0
R13: dffffc0000000000 R14: ffff888064634510 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f543fd5d000 CR3: 000000007b503000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 nft_set_destroy+0x489/0xa20 net/netfilter/nf_tables_api.c:5363
 nft_commit_release net/netfilter/nf_tables_api.c:9544 [inline]
 nf_tables_trans_destroy_work+0xb2d/0x11b0 net/netfilter/nf_tables_api.c:9587
 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>