------------[ cut here ]------------ WARNING: CPU: 0 PID: 11668 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: 11668 Comm: kworker/0:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 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 69 f8 ad f8 e9 d3 f9 ff ff e8 5f f8 ad f8 e9 6c fe ff ff e8 55 f8 ad 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:ffffc900035b79d8 EFLAGS: 00010293 RAX: ffffffff88d9db8b RBX: ffff88805d4d8cf0 RCX: ffff88807f2f9e00 RDX: 0000000000000000 RSI: ffff88805d4d8c00 RDI: ffff888046de0428 RBP: ffffc900035b7bb0 R08: ffff88807f2f9e00 R09: 000000000000000f R10: 0000000000000020 R11: 0000000000000000 R12: ffff88805d4d8cc0 R13: dffffc0000000000 R14: ffff88805d4d8d10 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8fa3400020 CR3: 000000004dab6000 CR4: 00000000003506f0 Call Trace: 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