------------[ cut here ]------------ WARNING: CPU: 1 PID: 7377 at net/netfilter/nft_set_pipapo.c:2391 nft_pipapo_destroy+0x9db/0xa60 net/netfilter/nft_set_pipapo.c:2391 Modules linked in: CPU: 1 PID: 7377 Comm: kworker/1:11 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Workqueue: events nf_tables_trans_destroy_work RIP: 0010:nft_pipapo_destroy+0x9db/0xa60 net/netfilter/nft_set_pipapo.c:2391 Code: 42 80 3c 28 00 74 08 4c 89 f7 e8 e0 89 44 f9 49 c7 06 00 00 00 00 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 75 25 f3 f8 <0f> 0b e9 82 f6 ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5a fa RSP: 0018:ffffc9000dfefa58 EFLAGS: 00010293 RAX: ffffffff888f432b RBX: ffff888058ef00f0 RCX: ffff888020361e00 RDX: 0000000000000000 RSI: ffff888058ef0000 RDI: ffff888057e15328 RBP: ffffc9000dfefc30 R08: ffff888020361e00 R09: 0000000000000008 R10: 0000000000000018 R11: 0000000000000000 R12: ffff888058ef00c0 R13: dffffc0000000000 R14: ffff888058ef0110 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000200 CR3: 000000004e99f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nft_set_destroy+0x489/0xa30 net/netfilter/nf_tables_api.c:5075 nft_commit_release net/netfilter/nf_tables_api.c:9128 [inline] nf_tables_trans_destroy_work+0xb81/0xdf0 net/netfilter/nf_tables_api.c:9168 process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292 worker_thread+0xaf5/0x12a0 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295